blob: 6e07c7083b3e8f1656ad610d3da84688c2be6716 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Ariel Elior85b26ea2012-01-26 06:01:54 +00003 * Copyright (c) 2007-2012 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Joe Perchesf1deab52011-08-14 12:16:21 +000018#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020020#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/kernel.h>
23#include <linux/device.h> /* for dev_info() */
24#include <linux/timer.h>
25#include <linux/errno.h>
26#include <linux/ioport.h>
27#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020028#include <linux/interrupt.h>
29#include <linux/pci.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/skbuff.h>
34#include <linux/dma-mapping.h>
35#include <linux/bitops.h>
36#include <linux/irq.h>
37#include <linux/delay.h>
38#include <asm/byteorder.h>
39#include <linux/time.h>
40#include <linux/ethtool.h>
41#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080042#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#include <net/ip.h>
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030044#include <net/ipv6.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/workqueue.h>
49#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/prefetch.h>
52#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053#include <linux/io.h>
Yuval Mintz452427b2012-03-26 20:47:07 +000054#include <linux/semaphore.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000055#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070056#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020058#include "bnx2x.h"
59#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000061#include "bnx2x_cmn.h"
Ariel Elior1ab44342013-01-01 05:22:23 +000062#include "bnx2x_vfpf.h"
63#include "bnx2x_sriov.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000064#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000065#include "bnx2x_sp.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020066
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070067#include <linux/firmware.h>
68#include "bnx2x_fw_file_hdr.h"
69/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000070#define FW_FILE_VERSION \
71 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
72 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
73 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
74 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000075#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
76#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000077#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070078
Barak Witkowski2e499d32012-06-26 01:31:19 +000079#define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
80
Eilon Greenstein34f80b02008-06-23 20:33:01 -070081/* Time in jiffies before concluding the transmitter is hung */
82#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020083
Bill Pemberton0329aba2012-12-03 09:24:24 -050084static char version[] =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030085 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020086 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
87
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070088MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000089MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030090 "BCM57710/57711/57711E/"
91 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
92 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020093MODULE_LICENSE("GPL");
94MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000095MODULE_FIRMWARE(FW_FILE_NAME_E1);
96MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000097MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020098
Eilon Greensteinca003922009-08-12 22:53:28 -070099
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000100int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +0000101module_param(num_queues, int, 0);
Dmitry Kravkov96305232012-04-03 18:41:30 +0000102MODULE_PARM_DESC(num_queues,
103 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000104
Eilon Greenstein19680c42008-08-13 15:47:33 -0700105static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700106module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000107MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000108
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000109#define INT_MODE_INTx 1
110#define INT_MODE_MSI 2
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000111int int_mode;
Eilon Greenstein8badd272009-02-12 08:36:15 +0000112module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300113MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000114 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000115
Eilon Greensteina18f5122009-08-12 08:23:26 +0000116static int dropless_fc;
117module_param(dropless_fc, int, 0);
118MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
119
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000120static int mrrs = -1;
121module_param(mrrs, int, 0);
122MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
123
Eilon Greenstein9898f862009-02-12 08:38:27 +0000124static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200125module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000126MODULE_PARM_DESC(debug, " Default debug msglevel");
127
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200128
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300129
130struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000131
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200132enum bnx2x_board_type {
133 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300134 BCM57711,
135 BCM57711E,
136 BCM57712,
137 BCM57712_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000138 BCM57712_VF,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300139 BCM57800,
140 BCM57800_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000141 BCM57800_VF,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300142 BCM57810,
143 BCM57810_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000144 BCM57810_VF,
Yuval Mintzc3def942012-07-23 10:25:43 +0300145 BCM57840_4_10,
146 BCM57840_2_20,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000147 BCM57840_MF,
Ariel Elior1ab44342013-01-01 05:22:23 +0000148 BCM57840_VF,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000149 BCM57811,
Ariel Elior1ab44342013-01-01 05:22:23 +0000150 BCM57811_MF,
151 BCM57840_O,
152 BCM57840_MFO,
153 BCM57811_VF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154};
155
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700156/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800157static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200158 char *name;
Bill Pemberton0329aba2012-12-03 09:24:24 -0500159} board_info[] = {
Ariel Elior1ab44342013-01-01 05:22:23 +0000160 [BCM57710] = { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
161 [BCM57711] = { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
162 [BCM57711E] = { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
163 [BCM57712] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
164 [BCM57712_MF] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
165 [BCM57712_VF] = { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Virtual Function" },
166 [BCM57800] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
167 [BCM57800_MF] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
168 [BCM57800_VF] = { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Virtual Function" },
169 [BCM57810] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
170 [BCM57810_MF] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
171 [BCM57810_VF] = { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Virtual Function" },
172 [BCM57840_4_10] = { "Broadcom NetXtreme II BCM57840 10 Gigabit Ethernet" },
173 [BCM57840_2_20] = { "Broadcom NetXtreme II BCM57840 20 Gigabit Ethernet" },
174 [BCM57840_MF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function" },
175 [BCM57840_VF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Virtual Function" },
176 [BCM57811] = { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet" },
177 [BCM57811_MF] = { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function" },
178 [BCM57840_O] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
179 [BCM57840_MFO] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function" },
180 [BCM57811_VF] = { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Virtual Function" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200181};
182
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300183#ifndef PCI_DEVICE_ID_NX2_57710
184#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
185#endif
186#ifndef PCI_DEVICE_ID_NX2_57711
187#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57711E
190#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57712
193#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57712_MF
196#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
197#endif
198#ifndef PCI_DEVICE_ID_NX2_57800
199#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
200#endif
201#ifndef PCI_DEVICE_ID_NX2_57800_MF
202#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
203#endif
204#ifndef PCI_DEVICE_ID_NX2_57810
205#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
206#endif
207#ifndef PCI_DEVICE_ID_NX2_57810_MF
208#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
209#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300210#ifndef PCI_DEVICE_ID_NX2_57840_O
211#define PCI_DEVICE_ID_NX2_57840_O CHIP_NUM_57840_OBSOLETE
212#endif
213#ifndef PCI_DEVICE_ID_NX2_57840_4_10
214#define PCI_DEVICE_ID_NX2_57840_4_10 CHIP_NUM_57840_4_10
215#endif
216#ifndef PCI_DEVICE_ID_NX2_57840_2_20
217#define PCI_DEVICE_ID_NX2_57840_2_20 CHIP_NUM_57840_2_20
218#endif
219#ifndef PCI_DEVICE_ID_NX2_57840_MFO
220#define PCI_DEVICE_ID_NX2_57840_MFO CHIP_NUM_57840_MF_OBSOLETE
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300221#endif
222#ifndef PCI_DEVICE_ID_NX2_57840_MF
223#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
224#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000225#ifndef PCI_DEVICE_ID_NX2_57811
226#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
227#endif
228#ifndef PCI_DEVICE_ID_NX2_57811_MF
229#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
230#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000231static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000232 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
233 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
234 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000235 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300236 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
237 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
238 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
239 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
240 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300241 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
242 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
243 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
244 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300245 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000246 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
247 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200248 { 0 }
249};
250
251MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
252
Yuval Mintz452427b2012-03-26 20:47:07 +0000253/* Global resources for unloading a previously loaded device */
254#define BNX2X_PREV_WAIT_NEEDED 1
255static DEFINE_SEMAPHORE(bnx2x_prev_sem);
256static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200257/****************************************************************************
258* General service functions
259****************************************************************************/
260
Eric Dumazet1191cb82012-04-27 21:39:21 +0000261static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300262 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000263{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300264 REG_WR(bp, addr, U64_LO(mapping));
265 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000266}
267
Eric Dumazet1191cb82012-04-27 21:39:21 +0000268static void storm_memset_spq_addr(struct bnx2x *bp,
269 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300270{
271 u32 addr = XSEM_REG_FAST_MEMORY +
272 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
273
274 __storm_memset_dma_mapping(bp, addr, mapping);
275}
276
Eric Dumazet1191cb82012-04-27 21:39:21 +0000277static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
278 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300279{
280 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
281 pf_id);
282 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
283 pf_id);
284 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
285 pf_id);
286 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
287 pf_id);
288}
289
Eric Dumazet1191cb82012-04-27 21:39:21 +0000290static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
291 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300292{
293 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
294 enable);
295 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
296 enable);
297 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
298 enable);
299 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
300 enable);
301}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000302
Eric Dumazet1191cb82012-04-27 21:39:21 +0000303static void storm_memset_eq_data(struct bnx2x *bp,
304 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000305 u16 pfid)
306{
307 size_t size = sizeof(struct event_ring_data);
308
309 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
310
311 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
312}
313
Eric Dumazet1191cb82012-04-27 21:39:21 +0000314static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
315 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000316{
317 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
318 REG_WR16(bp, addr, eq_prod);
319}
320
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200321/* used only at init
322 * locking is done by mcp
323 */
stephen hemminger8d962862010-10-21 07:50:56 +0000324static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200325{
326 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
327 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
328 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
329 PCICFG_VENDOR_ID_OFFSET);
330}
331
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200332static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
333{
334 u32 val;
335
336 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
337 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
338 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
339 PCICFG_VENDOR_ID_OFFSET);
340
341 return val;
342}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200343
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000344#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
345#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
346#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
347#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
348#define DMAE_DP_DST_NONE "dst_addr [none]"
349
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000350
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200351/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000352void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200353{
354 u32 cmd_offset;
355 int i;
356
357 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
358 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
359 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200360 }
361 REG_WR(bp, dmae_reg_go_c[idx], 1);
362}
363
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000364u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
365{
366 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
367 DMAE_CMD_C_ENABLE);
368}
369
370u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
371{
372 return opcode & ~DMAE_CMD_SRC_RESET;
373}
374
375u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
376 bool with_comp, u8 comp_type)
377{
378 u32 opcode = 0;
379
380 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
381 (dst_type << DMAE_COMMAND_DST_SHIFT));
382
383 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
384
385 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400386 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
387 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000388 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
389
390#ifdef __BIG_ENDIAN
391 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
392#else
393 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
394#endif
395 if (with_comp)
396 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
397 return opcode;
398}
399
stephen hemminger8d962862010-10-21 07:50:56 +0000400static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
401 struct dmae_command *dmae,
402 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000403{
404 memset(dmae, 0, sizeof(struct dmae_command));
405
406 /* set the opcode */
407 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
408 true, DMAE_COMP_PCI);
409
410 /* fill in the completion parameters */
411 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
412 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
413 dmae->comp_val = DMAE_COMP_VAL;
414}
415
416/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000417static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
418 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000419{
420 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000421 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000422 int rc = 0;
423
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300424 /*
425 * Lock the dmae channel. Disable BHs to prevent a dead-lock
426 * as long as this code is called both from syscall context and
427 * from ndo_set_rx_mode() flow that may be called from BH.
428 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800429 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000430
431 /* reset completion */
432 *wb_comp = 0;
433
434 /* post the command on the channel used for initializations */
435 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
436
437 /* wait for completion */
438 udelay(5);
439 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000440
Ariel Elior95c6c6162012-01-26 06:01:52 +0000441 if (!cnt ||
442 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
443 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000444 BNX2X_ERR("DMAE timeout!\n");
445 rc = DMAE_TIMEOUT;
446 goto unlock;
447 }
448 cnt--;
449 udelay(50);
450 }
451 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
452 BNX2X_ERR("DMAE PCI error!\n");
453 rc = DMAE_PCI_ERROR;
454 }
455
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000456unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800457 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000458 return rc;
459}
460
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700461void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
462 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200463{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000464 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700465
466 if (!bp->dmae_ready) {
467 u32 *data = bnx2x_sp(bp, wb_data[0]);
468
Ariel Elior127a4252012-01-26 06:01:46 +0000469 if (CHIP_IS_E1(bp))
470 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
471 else
472 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700473 return;
474 }
475
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000476 /* set opcode and fixed command fields */
477 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000479 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000480 dmae.src_addr_lo = U64_LO(dma_addr);
481 dmae.src_addr_hi = U64_HI(dma_addr);
482 dmae.dst_addr_lo = dst_addr >> 2;
483 dmae.dst_addr_hi = 0;
484 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200485
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000486 /* issue the command and wait for completion */
487 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200488}
489
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700490void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200491{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000492 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700493
494 if (!bp->dmae_ready) {
495 u32 *data = bnx2x_sp(bp, wb_data[0]);
496 int i;
497
Merav Sicron51c1a582012-03-18 10:33:38 +0000498 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000499 for (i = 0; i < len32; i++)
500 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000501 else
Ariel Elior127a4252012-01-26 06:01:46 +0000502 for (i = 0; i < len32; i++)
503 data[i] = REG_RD(bp, src_addr + i*4);
504
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700505 return;
506 }
507
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000508 /* set opcode and fixed command fields */
509 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200510
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000511 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000512 dmae.src_addr_lo = src_addr >> 2;
513 dmae.src_addr_hi = 0;
514 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
515 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
516 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200517
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000518 /* issue the command and wait for completion */
519 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200520}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200521
stephen hemminger8d962862010-10-21 07:50:56 +0000522static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
523 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000524{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000525 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000526 int offset = 0;
527
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000528 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000529 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000530 addr + offset, dmae_wr_max);
531 offset += dmae_wr_max * 4;
532 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000533 }
534
535 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
536}
537
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200538static int bnx2x_mc_assert(struct bnx2x *bp)
539{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200540 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700541 int i, rc = 0;
542 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200543
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700544 /* XSTORM */
545 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
546 XSTORM_ASSERT_LIST_INDEX_OFFSET);
547 if (last_idx)
548 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200549
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700550 /* print the asserts */
551 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200552
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700553 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
554 XSTORM_ASSERT_LIST_OFFSET(i));
555 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
556 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
557 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
558 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
559 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
560 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200561
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700562 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000563 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700564 i, row3, row2, row1, row0);
565 rc++;
566 } else {
567 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200568 }
569 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700570
571 /* TSTORM */
572 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
573 TSTORM_ASSERT_LIST_INDEX_OFFSET);
574 if (last_idx)
575 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
576
577 /* print the asserts */
578 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
579
580 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
581 TSTORM_ASSERT_LIST_OFFSET(i));
582 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
583 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
584 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
585 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
586 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
587 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
588
589 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000590 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700591 i, row3, row2, row1, row0);
592 rc++;
593 } else {
594 break;
595 }
596 }
597
598 /* CSTORM */
599 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
600 CSTORM_ASSERT_LIST_INDEX_OFFSET);
601 if (last_idx)
602 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
603
604 /* print the asserts */
605 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
606
607 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
608 CSTORM_ASSERT_LIST_OFFSET(i));
609 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
610 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
611 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
612 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
613 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
614 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
615
616 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000617 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700618 i, row3, row2, row1, row0);
619 rc++;
620 } else {
621 break;
622 }
623 }
624
625 /* USTORM */
626 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
627 USTORM_ASSERT_LIST_INDEX_OFFSET);
628 if (last_idx)
629 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
630
631 /* print the asserts */
632 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
633
634 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
635 USTORM_ASSERT_LIST_OFFSET(i));
636 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
637 USTORM_ASSERT_LIST_OFFSET(i) + 4);
638 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
639 USTORM_ASSERT_LIST_OFFSET(i) + 8);
640 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
641 USTORM_ASSERT_LIST_OFFSET(i) + 12);
642
643 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000644 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700645 i, row3, row2, row1, row0);
646 rc++;
647 } else {
648 break;
649 }
650 }
651
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200652 return rc;
653}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800654
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000655void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200656{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000657 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200658 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000659 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200660 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000661 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000662 if (BP_NOMCP(bp)) {
663 BNX2X_ERR("NO MCP - can not dump\n");
664 return;
665 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000666 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
667 (bp->common.bc_ver & 0xff0000) >> 16,
668 (bp->common.bc_ver & 0xff00) >> 8,
669 (bp->common.bc_ver & 0xff));
670
671 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
672 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000673 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000674
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000675 if (BP_PATH(bp) == 0)
676 trace_shmem_base = bp->common.shmem_base;
677 else
678 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000679 addr = trace_shmem_base - 0x800;
680
681 /* validate TRCB signature */
682 mark = REG_RD(bp, addr);
683 if (mark != MFW_TRACE_SIGNATURE) {
684 BNX2X_ERR("Trace buffer signature is missing.");
685 return ;
686 }
687
688 /* read cyclic buffer pointer */
689 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000690 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000691 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
692 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000693 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200694
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000695 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000696 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200697 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000698 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200699 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000700 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200701 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000702 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200703 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000704 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200705 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000706 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200707 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000708 printk("%s" "end of fw dump\n", lvl);
709}
710
Eric Dumazet1191cb82012-04-27 21:39:21 +0000711static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000712{
713 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200714}
715
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000716void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717{
718 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000719 u16 j;
720 struct hc_sp_status_block_data sp_sb_data;
721 int func = BP_FUNC(bp);
722#ifdef BNX2X_STOP_ON_ERROR
723 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000724 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000725#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700727 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000728 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700729 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
730
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200731 BNX2X_ERR("begin crash dump -----------------\n");
732
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000733 /* Indices */
734 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000735 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x) spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300736 bp->def_idx, bp->def_att_idx, bp->attn_state,
737 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000738 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
739 bp->def_status_blk->atten_status_block.attn_bits,
740 bp->def_status_blk->atten_status_block.attn_bits_ack,
741 bp->def_status_blk->atten_status_block.status_block_id,
742 bp->def_status_blk->atten_status_block.attn_bits_index);
743 BNX2X_ERR(" def (");
744 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
745 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000746 bp->def_status_blk->sp_sb.index_values[i],
747 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000748
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000749 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
750 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
751 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
752 i*sizeof(u32));
753
Joe Perchesf1deab52011-08-14 12:16:21 +0000754 pr_cont("igu_sb_id(0x%x) igu_seg_id(0x%x) pf_id(0x%x) vnic_id(0x%x) vf_id(0x%x) vf_valid (0x%x) state(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000755 sp_sb_data.igu_sb_id,
756 sp_sb_data.igu_seg_id,
757 sp_sb_data.p_func.pf_id,
758 sp_sb_data.p_func.vnic_id,
759 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300760 sp_sb_data.p_func.vf_valid,
761 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000762
763
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000764 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000765 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000766 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000767 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000768 struct hc_status_block_data_e1x sb_data_e1x;
769 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300770 CHIP_IS_E1x(bp) ?
771 sb_data_e1x.common.state_machine :
772 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000773 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300774 CHIP_IS_E1x(bp) ?
775 sb_data_e1x.index_data :
776 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000777 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000778 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000779 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000780
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000781 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000782 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x) rx_comp_prod(0x%x) rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000783 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000784 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000785 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000786 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x) fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000787 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000788 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000789
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000790 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000791 for_each_cos_in_tx_queue(fp, cos)
792 {
Merav Sicron65565882012-06-19 07:48:26 +0000793 txdata = *fp->txdata_ptr[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000794 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x) tx_bd_prod(0x%x) tx_bd_cons(0x%x) *tx_cons_sb(0x%x)\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000795 i, txdata.tx_pkt_prod,
796 txdata.tx_pkt_cons, txdata.tx_bd_prod,
797 txdata.tx_bd_cons,
798 le16_to_cpu(*txdata.tx_cons_sb));
799 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000800
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300801 loop = CHIP_IS_E1x(bp) ?
802 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000803
804 /* host sb data */
805
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000806 if (IS_FCOE_FP(fp))
807 continue;
Merav Sicron55c11942012-11-07 00:45:48 +0000808
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000809 BNX2X_ERR(" run indexes (");
810 for (j = 0; j < HC_SB_MAX_SM; j++)
811 pr_cont("0x%x%s",
812 fp->sb_running_index[j],
813 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
814
815 BNX2X_ERR(" indexes (");
816 for (j = 0; j < loop; j++)
817 pr_cont("0x%x%s",
818 fp->sb_index_values[j],
819 (j == loop - 1) ? ")" : " ");
820 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300821 data_size = CHIP_IS_E1x(bp) ?
822 sizeof(struct hc_status_block_data_e1x) :
823 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000824 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300825 sb_data_p = CHIP_IS_E1x(bp) ?
826 (u32 *)&sb_data_e1x :
827 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000828 /* copy sb data in here */
829 for (j = 0; j < data_size; j++)
830 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
831 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
832 j * sizeof(u32));
833
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300834 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000835 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000836 sb_data_e2.common.p_func.pf_id,
837 sb_data_e2.common.p_func.vf_id,
838 sb_data_e2.common.p_func.vf_valid,
839 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300840 sb_data_e2.common.same_igu_sb_1b,
841 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000842 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +0000843 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000844 sb_data_e1x.common.p_func.pf_id,
845 sb_data_e1x.common.p_func.vf_id,
846 sb_data_e1x.common.p_func.vf_valid,
847 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300848 sb_data_e1x.common.same_igu_sb_1b,
849 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000850 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000851
852 /* SB_SMs data */
853 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000854 pr_cont("SM[%d] __flags (0x%x) igu_sb_id (0x%x) igu_seg_id(0x%x) time_to_expire (0x%x) timer_value(0x%x)\n",
855 j, hc_sm_p[j].__flags,
856 hc_sm_p[j].igu_sb_id,
857 hc_sm_p[j].igu_seg_id,
858 hc_sm_p[j].time_to_expire,
859 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000860 }
861
862 /* Indecies data */
863 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000864 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000865 hc_index_p[j].flags,
866 hc_index_p[j].timeout);
867 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000868 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200869
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000870#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000871 /* Rings */
872 /* Rx */
Merav Sicron55c11942012-11-07 00:45:48 +0000873 for_each_valid_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000874 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875
876 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
877 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000878 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200879 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
880 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
881
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000882 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000883 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200884 }
885
Eilon Greenstein3196a882008-08-13 15:58:49 -0700886 start = RX_SGE(fp->rx_sge_prod);
887 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000888 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700889 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
890 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
891
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000892 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
893 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700894 }
895
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200896 start = RCQ_BD(fp->rx_comp_cons - 10);
897 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000898 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200899 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
900
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000901 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
902 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200903 }
904 }
905
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000906 /* Tx */
Merav Sicron55c11942012-11-07 00:45:48 +0000907 for_each_valid_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000908 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000909 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +0000910 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000911
Ariel Elior6383c0b2011-07-14 08:31:57 +0000912 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
913 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
914 for (j = start; j != end; j = TX_BD(j + 1)) {
915 struct sw_tx_bd *sw_bd =
916 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000917
Merav Sicron51c1a582012-03-18 10:33:38 +0000918 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000919 i, cos, j, sw_bd->skb,
920 sw_bd->first_bd);
921 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000922
Ariel Elior6383c0b2011-07-14 08:31:57 +0000923 start = TX_BD(txdata->tx_bd_cons - 10);
924 end = TX_BD(txdata->tx_bd_cons + 254);
925 for (j = start; j != end; j = TX_BD(j + 1)) {
926 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000927
Merav Sicron51c1a582012-03-18 10:33:38 +0000928 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000929 i, cos, j, tx_bd[0], tx_bd[1],
930 tx_bd[2], tx_bd[3]);
931 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000932 }
933 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000934#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700935 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200936 bnx2x_mc_assert(bp);
937 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200938}
939
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300940/*
941 * FLR Support for E2
942 *
943 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
944 * initialization.
945 */
946#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +0000947#define FLR_WAIT_INTERVAL 50 /* usec */
948#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300949
950struct pbf_pN_buf_regs {
951 int pN;
952 u32 init_crd;
953 u32 crd;
954 u32 crd_freed;
955};
956
957struct pbf_pN_cmd_regs {
958 int pN;
959 u32 lines_occup;
960 u32 lines_freed;
961};
962
963static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
964 struct pbf_pN_buf_regs *regs,
965 u32 poll_count)
966{
967 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
968 u32 cur_cnt = poll_count;
969
970 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
971 crd = crd_start = REG_RD(bp, regs->crd);
972 init_crd = REG_RD(bp, regs->init_crd);
973
974 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
975 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
976 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
977
978 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
979 (init_crd - crd_start))) {
980 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000981 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300982 crd = REG_RD(bp, regs->crd);
983 crd_freed = REG_RD(bp, regs->crd_freed);
984 } else {
985 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
986 regs->pN);
987 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
988 regs->pN, crd);
989 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
990 regs->pN, crd_freed);
991 break;
992 }
993 }
994 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000995 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300996}
997
998static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
999 struct pbf_pN_cmd_regs *regs,
1000 u32 poll_count)
1001{
1002 u32 occup, to_free, freed, freed_start;
1003 u32 cur_cnt = poll_count;
1004
1005 occup = to_free = REG_RD(bp, regs->lines_occup);
1006 freed = freed_start = REG_RD(bp, regs->lines_freed);
1007
1008 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
1009 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1010
1011 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1012 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001013 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001014 occup = REG_RD(bp, regs->lines_occup);
1015 freed = REG_RD(bp, regs->lines_freed);
1016 } else {
1017 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1018 regs->pN);
1019 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1020 regs->pN, occup);
1021 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1022 regs->pN, freed);
1023 break;
1024 }
1025 }
1026 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001027 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001028}
1029
Eric Dumazet1191cb82012-04-27 21:39:21 +00001030static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1031 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001032{
1033 u32 cur_cnt = poll_count;
1034 u32 val;
1035
1036 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001037 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001038
1039 return val;
1040}
1041
Eric Dumazet1191cb82012-04-27 21:39:21 +00001042static int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1043 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001044{
1045 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1046 if (val != 0) {
1047 BNX2X_ERR("%s usage count=%d\n", msg, val);
1048 return 1;
1049 }
1050 return 0;
1051}
1052
1053static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1054{
1055 /* adjust polling timeout */
1056 if (CHIP_REV_IS_EMUL(bp))
1057 return FLR_POLL_CNT * 2000;
1058
1059 if (CHIP_REV_IS_FPGA(bp))
1060 return FLR_POLL_CNT * 120;
1061
1062 return FLR_POLL_CNT;
1063}
1064
1065static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1066{
1067 struct pbf_pN_cmd_regs cmd_regs[] = {
1068 {0, (CHIP_IS_E3B0(bp)) ?
1069 PBF_REG_TQ_OCCUPANCY_Q0 :
1070 PBF_REG_P0_TQ_OCCUPANCY,
1071 (CHIP_IS_E3B0(bp)) ?
1072 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1073 PBF_REG_P0_TQ_LINES_FREED_CNT},
1074 {1, (CHIP_IS_E3B0(bp)) ?
1075 PBF_REG_TQ_OCCUPANCY_Q1 :
1076 PBF_REG_P1_TQ_OCCUPANCY,
1077 (CHIP_IS_E3B0(bp)) ?
1078 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1079 PBF_REG_P1_TQ_LINES_FREED_CNT},
1080 {4, (CHIP_IS_E3B0(bp)) ?
1081 PBF_REG_TQ_OCCUPANCY_LB_Q :
1082 PBF_REG_P4_TQ_OCCUPANCY,
1083 (CHIP_IS_E3B0(bp)) ?
1084 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1085 PBF_REG_P4_TQ_LINES_FREED_CNT}
1086 };
1087
1088 struct pbf_pN_buf_regs buf_regs[] = {
1089 {0, (CHIP_IS_E3B0(bp)) ?
1090 PBF_REG_INIT_CRD_Q0 :
1091 PBF_REG_P0_INIT_CRD ,
1092 (CHIP_IS_E3B0(bp)) ?
1093 PBF_REG_CREDIT_Q0 :
1094 PBF_REG_P0_CREDIT,
1095 (CHIP_IS_E3B0(bp)) ?
1096 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1097 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1098 {1, (CHIP_IS_E3B0(bp)) ?
1099 PBF_REG_INIT_CRD_Q1 :
1100 PBF_REG_P1_INIT_CRD,
1101 (CHIP_IS_E3B0(bp)) ?
1102 PBF_REG_CREDIT_Q1 :
1103 PBF_REG_P1_CREDIT,
1104 (CHIP_IS_E3B0(bp)) ?
1105 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1106 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1107 {4, (CHIP_IS_E3B0(bp)) ?
1108 PBF_REG_INIT_CRD_LB_Q :
1109 PBF_REG_P4_INIT_CRD,
1110 (CHIP_IS_E3B0(bp)) ?
1111 PBF_REG_CREDIT_LB_Q :
1112 PBF_REG_P4_CREDIT,
1113 (CHIP_IS_E3B0(bp)) ?
1114 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1115 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1116 };
1117
1118 int i;
1119
1120 /* Verify the command queues are flushed P0, P1, P4 */
1121 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1122 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1123
1124
1125 /* Verify the transmission buffers are flushed P0, P1, P4 */
1126 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1127 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1128}
1129
1130#define OP_GEN_PARAM(param) \
1131 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1132
1133#define OP_GEN_TYPE(type) \
1134 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1135
1136#define OP_GEN_AGG_VECT(index) \
1137 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1138
1139
Eric Dumazet1191cb82012-04-27 21:39:21 +00001140static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001141 u32 poll_cnt)
1142{
1143 struct sdm_op_gen op_gen = {0};
1144
1145 u32 comp_addr = BAR_CSTRORM_INTMEM +
1146 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1147 int ret = 0;
1148
1149 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001150 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001151 return 1;
1152 }
1153
1154 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1155 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1156 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1157 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1158
Ariel Elior89db4ad2012-01-26 06:01:48 +00001159 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001160 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1161
1162 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1163 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001164 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1165 (REG_RD(bp, comp_addr)));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001166 ret = 1;
1167 }
1168 /* Zero completion for nxt FLR */
1169 REG_WR(bp, comp_addr, 0);
1170
1171 return ret;
1172}
1173
Eric Dumazet1191cb82012-04-27 21:39:21 +00001174static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001175{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001176 u16 status;
1177
Jiang Liu2a80eeb2012-08-20 13:26:51 -06001178 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001179 return status & PCI_EXP_DEVSTA_TRPND;
1180}
1181
1182/* PF FLR specific routines
1183*/
1184static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1185{
1186
1187 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1188 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1189 CFC_REG_NUM_LCIDS_INSIDE_PF,
1190 "CFC PF usage counter timed out",
1191 poll_cnt))
1192 return 1;
1193
1194
1195 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1196 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1197 DORQ_REG_PF_USAGE_CNT,
1198 "DQ PF usage counter timed out",
1199 poll_cnt))
1200 return 1;
1201
1202 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1203 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1204 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1205 "QM PF usage counter timed out",
1206 poll_cnt))
1207 return 1;
1208
1209 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1210 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1211 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1212 "Timers VNIC usage counter timed out",
1213 poll_cnt))
1214 return 1;
1215 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1216 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1217 "Timers NUM_SCANS usage counter timed out",
1218 poll_cnt))
1219 return 1;
1220
1221 /* Wait DMAE PF usage counter to zero */
1222 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1223 dmae_reg_go_c[INIT_DMAE_C(bp)],
1224 "DMAE dommand register timed out",
1225 poll_cnt))
1226 return 1;
1227
1228 return 0;
1229}
1230
1231static void bnx2x_hw_enable_status(struct bnx2x *bp)
1232{
1233 u32 val;
1234
1235 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1236 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1237
1238 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1239 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1240
1241 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1242 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1243
1244 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1245 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1246
1247 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1248 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1249
1250 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1251 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1252
1253 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1254 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1255
1256 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1257 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1258 val);
1259}
1260
1261static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1262{
1263 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1264
1265 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1266
1267 /* Re-enable PF target read access */
1268 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1269
1270 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001271 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001272 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1273 return -EBUSY;
1274
1275 /* Zero the igu 'trailing edge' and 'leading edge' */
1276
1277 /* Send the FW cleanup command */
1278 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1279 return -EBUSY;
1280
1281 /* ATC cleanup */
1282
1283 /* Verify TX hw is flushed */
1284 bnx2x_tx_hw_flushed(bp, poll_cnt);
1285
1286 /* Wait 100ms (not adjusted according to platform) */
1287 msleep(100);
1288
1289 /* Verify no pending pci transactions */
1290 if (bnx2x_is_pcie_pending(bp->pdev))
1291 BNX2X_ERR("PCIE Transactions still pending\n");
1292
1293 /* Debug */
1294 bnx2x_hw_enable_status(bp);
1295
1296 /*
1297 * Master enable - Due to WB DMAE writes performed before this
1298 * register is re-initialized as part of the regular function init
1299 */
1300 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1301
1302 return 0;
1303}
1304
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001305static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001306{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001307 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001308 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1309 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001310 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1311 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1312 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001313
1314 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001315 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1316 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001317 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1318 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001319 if (single_msix)
1320 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001321 } else if (msi) {
1322 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1323 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1324 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1325 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001326 } else {
1327 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001328 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001329 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1330 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001331
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001332 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001333 DP(NETIF_MSG_IFUP,
1334 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001335
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001336 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001337
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001338 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1339 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001340 }
1341
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001342 if (CHIP_IS_E1(bp))
1343 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1344
Merav Sicron51c1a582012-03-18 10:33:38 +00001345 DP(NETIF_MSG_IFUP,
1346 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1347 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001348
1349 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001350 /*
1351 * Ensure that HC_CONFIG is written before leading/trailing edge config
1352 */
1353 mmiowb();
1354 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001355
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001356 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001357 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001358 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001359 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001360 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001361 /* enable nig and gpio3 attention */
1362 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001363 } else
1364 val = 0xffff;
1365
1366 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1367 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1368 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001369
1370 /* Make sure that interrupts are indeed enabled from here on */
1371 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001372}
1373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001374static void bnx2x_igu_int_enable(struct bnx2x *bp)
1375{
1376 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001377 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1378 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1379 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001380
1381 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1382
1383 if (msix) {
1384 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1385 IGU_PF_CONF_SINGLE_ISR_EN);
1386 val |= (IGU_PF_CONF_FUNC_EN |
1387 IGU_PF_CONF_MSI_MSIX_EN |
1388 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001389
1390 if (single_msix)
1391 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001392 } else if (msi) {
1393 val &= ~IGU_PF_CONF_INT_LINE_EN;
1394 val |= (IGU_PF_CONF_FUNC_EN |
1395 IGU_PF_CONF_MSI_MSIX_EN |
1396 IGU_PF_CONF_ATTN_BIT_EN |
1397 IGU_PF_CONF_SINGLE_ISR_EN);
1398 } else {
1399 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1400 val |= (IGU_PF_CONF_FUNC_EN |
1401 IGU_PF_CONF_INT_LINE_EN |
1402 IGU_PF_CONF_ATTN_BIT_EN |
1403 IGU_PF_CONF_SINGLE_ISR_EN);
1404 }
1405
Merav Sicron51c1a582012-03-18 10:33:38 +00001406 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001407 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1408
1409 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1410
Yuval Mintz79a85572012-04-03 18:41:25 +00001411 if (val & IGU_PF_CONF_INT_LINE_EN)
1412 pci_intx(bp->pdev, true);
1413
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001414 barrier();
1415
1416 /* init leading/trailing edge */
1417 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001418 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001419 if (bp->port.pmf)
1420 /* enable nig and gpio3 attention */
1421 val |= 0x1100;
1422 } else
1423 val = 0xffff;
1424
1425 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1426 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1427
1428 /* Make sure that interrupts are indeed enabled from here on */
1429 mmiowb();
1430}
1431
1432void bnx2x_int_enable(struct bnx2x *bp)
1433{
1434 if (bp->common.int_block == INT_BLOCK_HC)
1435 bnx2x_hc_int_enable(bp);
1436 else
1437 bnx2x_igu_int_enable(bp);
1438}
1439
1440static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001441{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001442 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001443 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1444 u32 val = REG_RD(bp, addr);
1445
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001446 /*
1447 * in E1 we must use only PCI configuration space to disable
1448 * MSI/MSIX capablility
1449 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1450 */
1451 if (CHIP_IS_E1(bp)) {
1452 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1453 * Use mask register to prevent from HC sending interrupts
1454 * after we exit the function
1455 */
1456 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1457
1458 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1459 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1460 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1461 } else
1462 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1463 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1464 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1465 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001466
Merav Sicron51c1a582012-03-18 10:33:38 +00001467 DP(NETIF_MSG_IFDOWN,
1468 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001469 val, port, addr);
1470
Eilon Greenstein8badd272009-02-12 08:36:15 +00001471 /* flush all outstanding writes */
1472 mmiowb();
1473
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001474 REG_WR(bp, addr, val);
1475 if (REG_RD(bp, addr) != val)
1476 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1477}
1478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001479static void bnx2x_igu_int_disable(struct bnx2x *bp)
1480{
1481 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1482
1483 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1484 IGU_PF_CONF_INT_LINE_EN |
1485 IGU_PF_CONF_ATTN_BIT_EN);
1486
Merav Sicron51c1a582012-03-18 10:33:38 +00001487 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001488
1489 /* flush all outstanding writes */
1490 mmiowb();
1491
1492 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1493 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1494 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1495}
1496
Merav Sicron910cc722012-11-11 03:56:08 +00001497static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001498{
1499 if (bp->common.int_block == INT_BLOCK_HC)
1500 bnx2x_hc_int_disable(bp);
1501 else
1502 bnx2x_igu_int_disable(bp);
1503}
1504
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001505void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001506{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001508 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001509
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001510 if (disable_hw)
1511 /* prevent the HW from sending interrupts */
1512 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001513
1514 /* make sure all ISRs are done */
1515 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001516 synchronize_irq(bp->msix_table[0].vector);
1517 offset = 1;
Merav Sicron55c11942012-11-07 00:45:48 +00001518 if (CNIC_SUPPORT(bp))
1519 offset++;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001520 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001521 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001522 } else
1523 synchronize_irq(bp->pdev->irq);
1524
1525 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001526 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001527 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001528 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001529}
1530
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001531/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001532
1533/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001534 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001535 */
1536
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001537/* Return true if succeeded to acquire the lock */
1538static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1539{
1540 u32 lock_status;
1541 u32 resource_bit = (1 << resource);
1542 int func = BP_FUNC(bp);
1543 u32 hw_lock_control_reg;
1544
Merav Sicron51c1a582012-03-18 10:33:38 +00001545 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1546 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001547
1548 /* Validating that the resource is within range */
1549 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001550 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001551 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1552 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001553 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001554 }
1555
1556 if (func <= 5)
1557 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1558 else
1559 hw_lock_control_reg =
1560 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1561
1562 /* Try to acquire the lock */
1563 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1564 lock_status = REG_RD(bp, hw_lock_control_reg);
1565 if (lock_status & resource_bit)
1566 return true;
1567
Merav Sicron51c1a582012-03-18 10:33:38 +00001568 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1569 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001570 return false;
1571}
1572
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001573/**
1574 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1575 *
1576 * @bp: driver handle
1577 *
1578 * Returns the recovery leader resource id according to the engine this function
1579 * belongs to. Currently only only 2 engines is supported.
1580 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001581static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001582{
1583 if (BP_PATH(bp))
1584 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1585 else
1586 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1587}
1588
1589/**
1590 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1591 *
1592 * @bp: driver handle
1593 *
Eric Dumazet1191cb82012-04-27 21:39:21 +00001594 * Tries to aquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001595 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001596static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001597{
1598 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1599}
1600
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001601static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Merav Sicron55c11942012-11-07 00:45:48 +00001602
Eilon Greenstein3196a882008-08-13 15:58:49 -07001603
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001604void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001605{
1606 struct bnx2x *bp = fp->bp;
1607 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1608 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001609 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001610 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001611
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001612 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001613 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001614 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001615 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001616
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001617 switch (command) {
1618 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001619 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001620 drv_cmd = BNX2X_Q_CMD_UPDATE;
1621 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001622
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001623 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001624 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001625 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001626 break;
1627
Ariel Elior6383c0b2011-07-14 08:31:57 +00001628 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001629 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001630 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1631 break;
1632
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001633 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001634 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001635 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001636 break;
1637
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001638 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001639 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001640 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1641 break;
1642
1643 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001644 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001645 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001646 break;
1647
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001648 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001649 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1650 command, fp->index);
1651 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001652 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001653
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001654 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1655 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1656 /* q_obj->complete_cmd() failure means that this was
1657 * an unexpected completion.
1658 *
1659 * In this case we don't want to increase the bp->spq_left
1660 * because apparently we haven't sent this command the first
1661 * place.
1662 */
1663#ifdef BNX2X_STOP_ON_ERROR
1664 bnx2x_panic();
1665#else
1666 return;
1667#endif
1668
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001669 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001670 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001671 /* push the change in bp->spq_left and towards the memory */
1672 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001673
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001674 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1675
Barak Witkowskia3348722012-04-23 03:04:46 +00001676 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1677 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1678 /* if Q update ramrod is completed for last Q in AFEX vif set
1679 * flow, then ACK MCP at the end
1680 *
1681 * mark pending ACK to MCP bit.
1682 * prevent case that both bits are cleared.
1683 * At the end of load/unload driver checks that
1684 * sp_state is cleaerd, and this order prevents
1685 * races
1686 */
1687 smp_mb__before_clear_bit();
1688 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1689 wmb();
1690 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1691 smp_mb__after_clear_bit();
1692
1693 /* schedule workqueue to send ack to MCP */
1694 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1695 }
1696
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001697 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001698}
1699
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001700void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1701 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1702{
1703 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1704
1705 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1706 start);
1707}
1708
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001709irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001710{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001711 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001712 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001713 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001714 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001715 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001716
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001717 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001718 if (unlikely(status == 0)) {
1719 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1720 return IRQ_NONE;
1721 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001722 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001723
Eilon Greenstein3196a882008-08-13 15:58:49 -07001724#ifdef BNX2X_STOP_ON_ERROR
1725 if (unlikely(bp->panic))
1726 return IRQ_HANDLED;
1727#endif
1728
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001729 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001730 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001731
Merav Sicron55c11942012-11-07 00:45:48 +00001732 mask = 0x2 << (fp->index + CNIC_SUPPORT(bp));
Eilon Greensteinca003922009-08-12 22:53:28 -07001733 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001734 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001735 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001736 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001737 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001738 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001739 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001740 status &= ~mask;
1741 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001742 }
1743
Merav Sicron55c11942012-11-07 00:45:48 +00001744 if (CNIC_SUPPORT(bp)) {
1745 mask = 0x2;
1746 if (status & (mask | 0x1)) {
1747 struct cnic_ops *c_ops = NULL;
Michael Chan993ac7b2009-10-10 13:46:56 +00001748
Merav Sicron55c11942012-11-07 00:45:48 +00001749 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1750 rcu_read_lock();
1751 c_ops = rcu_dereference(bp->cnic_ops);
1752 if (c_ops)
1753 c_ops->cnic_handler(bp->cnic_data,
1754 NULL);
1755 rcu_read_unlock();
1756 }
1757
1758 status &= ~mask;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001759 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001760 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001761
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001762 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001763 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001764
1765 status &= ~0x1;
1766 if (!status)
1767 return IRQ_HANDLED;
1768 }
1769
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001770 if (unlikely(status))
1771 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001772 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001773
1774 return IRQ_HANDLED;
1775}
1776
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001777/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001778
1779/*
1780 * General service functions
1781 */
1782
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001783int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001784{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001785 u32 lock_status;
1786 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001787 int func = BP_FUNC(bp);
1788 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001789 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001790
1791 /* Validating that the resource is within range */
1792 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001793 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001794 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1795 return -EINVAL;
1796 }
1797
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001798 if (func <= 5) {
1799 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1800 } else {
1801 hw_lock_control_reg =
1802 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1803 }
1804
Eliezer Tamirf1410642008-02-28 11:51:50 -08001805 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001806 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001807 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001808 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001809 lock_status, resource_bit);
1810 return -EEXIST;
1811 }
1812
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001813 /* Try for 5 second every 5ms */
1814 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001815 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001816 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1817 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001818 if (lock_status & resource_bit)
1819 return 0;
1820
1821 msleep(5);
1822 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001823 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001824 return -EAGAIN;
1825}
1826
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001827int bnx2x_release_leader_lock(struct bnx2x *bp)
1828{
1829 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1830}
1831
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001832int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001833{
1834 u32 lock_status;
1835 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001836 int func = BP_FUNC(bp);
1837 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001838
1839 /* Validating that the resource is within range */
1840 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001841 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001842 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1843 return -EINVAL;
1844 }
1845
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001846 if (func <= 5) {
1847 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1848 } else {
1849 hw_lock_control_reg =
1850 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1851 }
1852
Eliezer Tamirf1410642008-02-28 11:51:50 -08001853 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001854 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001855 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001856 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. unlock was called but lock wasn't taken!\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001857 lock_status, resource_bit);
1858 return -EFAULT;
1859 }
1860
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001861 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001862 return 0;
1863}
1864
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001865
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001866int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1867{
1868 /* The GPIO should be swapped if swap register is set and active */
1869 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1870 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1871 int gpio_shift = gpio_num +
1872 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1873 u32 gpio_mask = (1 << gpio_shift);
1874 u32 gpio_reg;
1875 int value;
1876
1877 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1878 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1879 return -EINVAL;
1880 }
1881
1882 /* read GPIO value */
1883 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1884
1885 /* get the requested pin value */
1886 if ((gpio_reg & gpio_mask) == gpio_mask)
1887 value = 1;
1888 else
1889 value = 0;
1890
1891 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1892
1893 return value;
1894}
1895
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001896int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001897{
1898 /* The GPIO should be swapped if swap register is set and active */
1899 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001900 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001901 int gpio_shift = gpio_num +
1902 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1903 u32 gpio_mask = (1 << gpio_shift);
1904 u32 gpio_reg;
1905
1906 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1907 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1908 return -EINVAL;
1909 }
1910
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001911 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001912 /* read GPIO and mask except the float bits */
1913 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1914
1915 switch (mode) {
1916 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001917 DP(NETIF_MSG_LINK,
1918 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001919 gpio_num, gpio_shift);
1920 /* clear FLOAT and set CLR */
1921 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1922 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1923 break;
1924
1925 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001926 DP(NETIF_MSG_LINK,
1927 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001928 gpio_num, gpio_shift);
1929 /* clear FLOAT and set SET */
1930 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1931 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1932 break;
1933
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001934 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001935 DP(NETIF_MSG_LINK,
1936 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001937 gpio_num, gpio_shift);
1938 /* set FLOAT */
1939 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1940 break;
1941
1942 default:
1943 break;
1944 }
1945
1946 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001947 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001948
1949 return 0;
1950}
1951
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001952int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1953{
1954 u32 gpio_reg = 0;
1955 int rc = 0;
1956
1957 /* Any port swapping should be handled by caller. */
1958
1959 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1960 /* read GPIO and mask except the float bits */
1961 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1962 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1963 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1964 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1965
1966 switch (mode) {
1967 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1968 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1969 /* set CLR */
1970 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1971 break;
1972
1973 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1974 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1975 /* set SET */
1976 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
1977 break;
1978
1979 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1980 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
1981 /* set FLOAT */
1982 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1983 break;
1984
1985 default:
1986 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
1987 rc = -EINVAL;
1988 break;
1989 }
1990
1991 if (rc == 0)
1992 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1993
1994 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1995
1996 return rc;
1997}
1998
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001999int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2000{
2001 /* The GPIO should be swapped if swap register is set and active */
2002 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2003 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2004 int gpio_shift = gpio_num +
2005 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2006 u32 gpio_mask = (1 << gpio_shift);
2007 u32 gpio_reg;
2008
2009 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2010 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2011 return -EINVAL;
2012 }
2013
2014 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2015 /* read GPIO int */
2016 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2017
2018 switch (mode) {
2019 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002020 DP(NETIF_MSG_LINK,
2021 "Clear GPIO INT %d (shift %d) -> output low\n",
2022 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002023 /* clear SET and set CLR */
2024 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2025 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2026 break;
2027
2028 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002029 DP(NETIF_MSG_LINK,
2030 "Set GPIO INT %d (shift %d) -> output high\n",
2031 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002032 /* clear CLR and set SET */
2033 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2034 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2035 break;
2036
2037 default:
2038 break;
2039 }
2040
2041 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2042 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2043
2044 return 0;
2045}
2046
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002047static int bnx2x_set_spio(struct bnx2x *bp, int spio, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002048{
Eliezer Tamirf1410642008-02-28 11:51:50 -08002049 u32 spio_reg;
2050
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002051 /* Only 2 SPIOs are configurable */
2052 if ((spio != MISC_SPIO_SPIO4) && (spio != MISC_SPIO_SPIO5)) {
2053 BNX2X_ERR("Invalid SPIO 0x%x\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002054 return -EINVAL;
2055 }
2056
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002057 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002058 /* read SPIO and mask except the float bits */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002059 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_SPIO_FLOAT);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002060
2061 switch (mode) {
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002062 case MISC_SPIO_OUTPUT_LOW:
2063 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output low\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002064 /* clear FLOAT and set CLR */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002065 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2066 spio_reg |= (spio << MISC_SPIO_CLR_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002067 break;
2068
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002069 case MISC_SPIO_OUTPUT_HIGH:
2070 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output high\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002071 /* clear FLOAT and set SET */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002072 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2073 spio_reg |= (spio << MISC_SPIO_SET_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002074 break;
2075
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002076 case MISC_SPIO_INPUT_HI_Z:
2077 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> input\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002078 /* set FLOAT */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002079 spio_reg |= (spio << MISC_SPIO_FLOAT_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002080 break;
2081
2082 default:
2083 break;
2084 }
2085
2086 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002087 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002088
2089 return 0;
2090}
2091
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002092void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002093{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002094 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002095 switch (bp->link_vars.ieee_fc &
2096 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002097 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002098 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002099 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002100 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002101
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002102 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002103 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002104 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002105 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002106
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002107 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002108 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002109 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002110
Eliezer Tamirf1410642008-02-28 11:51:50 -08002111 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002112 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002113 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002114 break;
2115 }
2116}
2117
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002118static void bnx2x_set_requested_fc(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002119{
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002120 /* Initialize link parameters structure variables
2121 * It is recommended to turn off RX FC for jumbo frames
2122 * for better performance
2123 */
2124 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
2125 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
2126 else
2127 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
2128}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002129
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002130int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
2131{
2132 int rc, cfx_idx = bnx2x_get_link_cfg_idx(bp);
2133 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
2134
2135 if (!BP_NOMCP(bp)) {
2136 bnx2x_set_requested_fc(bp);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002137 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002138
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002139 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002140 struct link_params *lp = &bp->link_params;
2141 lp->loopback_mode = LOOPBACK_XGXS;
2142 /* do PHY loopback at 10G speed, if possible */
2143 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2144 if (lp->speed_cap_mask[cfx_idx] &
2145 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2146 lp->req_line_speed[cfx_idx] =
2147 SPEED_10000;
2148 else
2149 lp->req_line_speed[cfx_idx] =
2150 SPEED_1000;
2151 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002152 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002153
Merav Sicron8970b2e2012-06-19 07:48:22 +00002154 if (load_mode == LOAD_LOOPBACK_EXT) {
2155 struct link_params *lp = &bp->link_params;
2156 lp->loopback_mode = LOOPBACK_EXT;
2157 }
2158
Eilon Greenstein19680c42008-08-13 15:47:33 -07002159 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002160
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002161 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002162
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002163 bnx2x_calc_fc_adv(bp);
2164
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002165 if (bp->link_vars.link_up) {
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002166 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002167 bnx2x_link_report(bp);
Yuval Mintzcd1dfce2012-12-02 04:05:56 +00002168 }
2169 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002170 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002171 return rc;
2172 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002173 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002174 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002175}
2176
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002177void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002178{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002179 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002180 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002181 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002182 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002183
Eilon Greenstein19680c42008-08-13 15:47:33 -07002184 bnx2x_calc_fc_adv(bp);
2185 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002186 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002187}
2188
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002189static void bnx2x__link_reset(struct bnx2x *bp)
2190{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002191 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002192 bnx2x_acquire_phy_lock(bp);
Yuval Mintz5d07d862012-09-13 02:56:21 +00002193 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002194 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002195 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002196 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002197}
2198
Yuval Mintz5d07d862012-09-13 02:56:21 +00002199void bnx2x_force_link_reset(struct bnx2x *bp)
2200{
2201 bnx2x_acquire_phy_lock(bp);
2202 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2203 bnx2x_release_phy_lock(bp);
2204}
2205
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002206u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002207{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002208 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002209
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002210 if (!BP_NOMCP(bp)) {
2211 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002212 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2213 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002214 bnx2x_release_phy_lock(bp);
2215 } else
2216 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002217
2218 return rc;
2219}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002220
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002221
Eilon Greenstein2691d512009-08-12 08:22:08 +00002222/* Calculates the sum of vn_min_rates.
2223 It's needed for further normalizing of the min_rates.
2224 Returns:
2225 sum of vn_min_rates.
2226 or
2227 0 - if all the min_rates are 0.
2228 In the later case fainess algorithm should be deactivated.
2229 If not all min_rates are zero then those that are zeroes will be set to 1.
2230 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002231static void bnx2x_calc_vn_min(struct bnx2x *bp,
2232 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002233{
2234 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002235 int vn;
2236
David S. Miller8decf862011-09-22 03:23:13 -04002237 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002238 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002239 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2240 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2241
2242 /* Skip hidden vns */
2243 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002244 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002245 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002246 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002247 vn_min_rate = DEF_MIN_RATE;
2248 else
2249 all_zero = 0;
2250
Yuval Mintzb475d782012-04-03 18:41:29 +00002251 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002252 }
2253
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002254 /* if ETS or all min rates are zeros - disable fairness */
2255 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002256 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002257 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2258 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2259 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002260 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002261 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002262 DP(NETIF_MSG_IFUP,
2263 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002264 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002265 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002266 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002267}
2268
Yuval Mintzb475d782012-04-03 18:41:29 +00002269static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2270 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002271{
Yuval Mintzb475d782012-04-03 18:41:29 +00002272 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002273 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002274
Yuval Mintzb475d782012-04-03 18:41:29 +00002275 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002276 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002277 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002278 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2279
Yuval Mintzb475d782012-04-03 18:41:29 +00002280 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002281 /* maxCfg in percents of linkspeed */
2282 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002283 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002284 /* maxCfg is absolute in 100Mb units */
2285 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002286 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002287
Yuval Mintzb475d782012-04-03 18:41:29 +00002288 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002289
Yuval Mintzb475d782012-04-03 18:41:29 +00002290 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002291}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002292
Yuval Mintzb475d782012-04-03 18:41:29 +00002293
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002294static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2295{
2296 if (CHIP_REV_IS_SLOW(bp))
2297 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002298 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002299 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002300
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002301 return CMNG_FNS_NONE;
2302}
2303
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002304void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002305{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002306 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002307
2308 if (BP_NOMCP(bp))
2309 return; /* what should be the default bvalue in this case */
2310
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002311 /* For 2 port configuration the absolute function number formula
2312 * is:
2313 * abs_func = 2 * vn + BP_PORT + BP_PATH
2314 *
2315 * and there are 4 functions per port
2316 *
2317 * For 4 port configuration it is
2318 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2319 *
2320 * and there are 2 functions per port
2321 */
David S. Miller8decf862011-09-22 03:23:13 -04002322 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002323 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2324
2325 if (func >= E1H_FUNC_MAX)
2326 break;
2327
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002328 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002329 MF_CFG_RD(bp, func_mf_config[func].config);
2330 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002331 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2332 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2333 bp->flags |= MF_FUNC_DIS;
2334 } else {
2335 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2336 bp->flags &= ~MF_FUNC_DIS;
2337 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002338}
2339
2340static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2341{
Yuval Mintzb475d782012-04-03 18:41:29 +00002342 struct cmng_init_input input;
2343 memset(&input, 0, sizeof(struct cmng_init_input));
2344
2345 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002346
2347 if (cmng_type == CMNG_FNS_MINMAX) {
2348 int vn;
2349
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002350 /* read mf conf from shmem */
2351 if (read_cfg)
2352 bnx2x_read_mf_cfg(bp);
2353
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002354 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002355 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002356
2357 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002358 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002359 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002360 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002361
2362 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002363 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002364 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002365
2366 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002367 return;
2368 }
2369
2370 /* rate shaping and fairness are disabled */
2371 DP(NETIF_MSG_IFUP,
2372 "rate shaping and fairness are disabled\n");
2373}
2374
Eric Dumazet1191cb82012-04-27 21:39:21 +00002375static void storm_memset_cmng(struct bnx2x *bp,
2376 struct cmng_init *cmng,
2377 u8 port)
2378{
2379 int vn;
2380 size_t size = sizeof(struct cmng_struct_per_port);
2381
2382 u32 addr = BAR_XSTRORM_INTMEM +
2383 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2384
2385 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2386
2387 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2388 int func = func_by_vn(bp, vn);
2389
2390 addr = BAR_XSTRORM_INTMEM +
2391 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2392 size = sizeof(struct rate_shaping_vars_per_vn);
2393 __storm_memset_struct(bp, addr, size,
2394 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2395
2396 addr = BAR_XSTRORM_INTMEM +
2397 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2398 size = sizeof(struct fairness_vars_per_vn);
2399 __storm_memset_struct(bp, addr, size,
2400 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2401 }
2402}
2403
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002404/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002405static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002406{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002407 /* Make sure that we are synced with the current statistics */
2408 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2409
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002410 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002411
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002412 if (bp->link_vars.link_up) {
2413
Eilon Greenstein1c063282009-02-12 08:36:43 +00002414 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002415 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002416 int port = BP_PORT(bp);
2417 u32 pause_enabled = 0;
2418
2419 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2420 pause_enabled = 1;
2421
2422 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002423 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002424 pause_enabled);
2425 }
2426
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002427 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002428 struct host_port_stats *pstats;
2429
2430 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002431 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002432 memset(&(pstats->mac_stx[0]), 0,
2433 sizeof(struct mac_stx));
2434 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002435 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002436 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2437 }
2438
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002439 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2440 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002441
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002442 if (cmng_fns != CMNG_FNS_NONE) {
2443 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2444 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2445 } else
2446 /* rate shaping and fairness are disabled */
2447 DP(NETIF_MSG_IFUP,
2448 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002449 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002450
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002451 __bnx2x_link_report(bp);
2452
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002453 if (IS_MF(bp))
2454 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002455}
2456
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002457void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002458{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002459 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002460 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002461
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002462 /* read updated dcb configuration */
Ariel Eliorad5afc82013-01-01 05:22:26 +00002463 if (IS_PF(bp)) {
2464 bnx2x_dcbx_pmf_update(bp);
2465 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2466 if (bp->link_vars.link_up)
2467 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2468 else
2469 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2470 /* indicate link status */
2471 bnx2x_link_report(bp);
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002472
Ariel Eliorad5afc82013-01-01 05:22:26 +00002473 } else { /* VF */
2474 bp->port.supported[0] |= (SUPPORTED_10baseT_Half |
2475 SUPPORTED_10baseT_Full |
2476 SUPPORTED_100baseT_Half |
2477 SUPPORTED_100baseT_Full |
2478 SUPPORTED_1000baseT_Full |
2479 SUPPORTED_2500baseX_Full |
2480 SUPPORTED_10000baseT_Full |
2481 SUPPORTED_TP |
2482 SUPPORTED_FIBRE |
2483 SUPPORTED_Autoneg |
2484 SUPPORTED_Pause |
2485 SUPPORTED_Asym_Pause);
2486 bp->port.advertising[0] = bp->port.supported[0];
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002487
Ariel Eliorad5afc82013-01-01 05:22:26 +00002488 bp->link_params.bp = bp;
2489 bp->link_params.port = BP_PORT(bp);
2490 bp->link_params.req_duplex[0] = DUPLEX_FULL;
2491 bp->link_params.req_flow_ctrl[0] = BNX2X_FLOW_CTRL_NONE;
2492 bp->link_params.req_line_speed[0] = SPEED_10000;
2493 bp->link_params.speed_cap_mask[0] = 0x7f0000;
2494 bp->link_params.switch_cfg = SWITCH_CFG_10G;
2495 bp->link_vars.mac_type = MAC_TYPE_BMAC;
2496 bp->link_vars.line_speed = SPEED_10000;
2497 bp->link_vars.link_status =
2498 (LINK_STATUS_LINK_UP |
2499 LINK_STATUS_SPEED_AND_DUPLEX_10GTFD);
2500 bp->link_vars.link_up = 1;
2501 bp->link_vars.duplex = DUPLEX_FULL;
2502 bp->link_vars.flow_ctrl = BNX2X_FLOW_CTRL_NONE;
2503 __bnx2x_link_report(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002504 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Ariel Eliorad5afc82013-01-01 05:22:26 +00002505 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002506}
2507
Barak Witkowskia3348722012-04-23 03:04:46 +00002508static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2509 u16 vlan_val, u8 allowed_prio)
2510{
2511 struct bnx2x_func_state_params func_params = {0};
2512 struct bnx2x_func_afex_update_params *f_update_params =
2513 &func_params.params.afex_update;
2514
2515 func_params.f_obj = &bp->func_obj;
2516 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2517
2518 /* no need to wait for RAMROD completion, so don't
2519 * set RAMROD_COMP_WAIT flag
2520 */
2521
2522 f_update_params->vif_id = vifid;
2523 f_update_params->afex_default_vlan = vlan_val;
2524 f_update_params->allowed_priorities = allowed_prio;
2525
2526 /* if ramrod can not be sent, response to MCP immediately */
2527 if (bnx2x_func_state_change(bp, &func_params) < 0)
2528 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2529
2530 return 0;
2531}
2532
2533static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2534 u16 vif_index, u8 func_bit_map)
2535{
2536 struct bnx2x_func_state_params func_params = {0};
2537 struct bnx2x_func_afex_viflists_params *update_params =
2538 &func_params.params.afex_viflists;
2539 int rc;
2540 u32 drv_msg_code;
2541
2542 /* validate only LIST_SET and LIST_GET are received from switch */
2543 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2544 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2545 cmd_type);
2546
2547 func_params.f_obj = &bp->func_obj;
2548 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2549
2550 /* set parameters according to cmd_type */
2551 update_params->afex_vif_list_command = cmd_type;
2552 update_params->vif_list_index = cpu_to_le16(vif_index);
2553 update_params->func_bit_map =
2554 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2555 update_params->func_to_clear = 0;
2556 drv_msg_code =
2557 (cmd_type == VIF_LIST_RULE_GET) ?
2558 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2559 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2560
2561 /* if ramrod can not be sent, respond to MCP immediately for
2562 * SET and GET requests (other are not triggered from MCP)
2563 */
2564 rc = bnx2x_func_state_change(bp, &func_params);
2565 if (rc < 0)
2566 bnx2x_fw_command(bp, drv_msg_code, 0);
2567
2568 return 0;
2569}
2570
2571static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2572{
2573 struct afex_stats afex_stats;
2574 u32 func = BP_ABS_FUNC(bp);
2575 u32 mf_config;
2576 u16 vlan_val;
2577 u32 vlan_prio;
2578 u16 vif_id;
2579 u8 allowed_prio;
2580 u8 vlan_mode;
2581 u32 addr_to_write, vifid, addrs, stats_type, i;
2582
2583 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2584 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2585 DP(BNX2X_MSG_MCP,
2586 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2587 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2588 }
2589
2590 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2591 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2592 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2593 DP(BNX2X_MSG_MCP,
2594 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2595 vifid, addrs);
2596 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2597 addrs);
2598 }
2599
2600 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2601 addr_to_write = SHMEM2_RD(bp,
2602 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2603 stats_type = SHMEM2_RD(bp,
2604 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2605
2606 DP(BNX2X_MSG_MCP,
2607 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2608 addr_to_write);
2609
2610 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2611
2612 /* write response to scratchpad, for MCP */
2613 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2614 REG_WR(bp, addr_to_write + i*sizeof(u32),
2615 *(((u32 *)(&afex_stats))+i));
2616
2617 /* send ack message to MCP */
2618 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2619 }
2620
2621 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2622 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2623 bp->mf_config[BP_VN(bp)] = mf_config;
2624 DP(BNX2X_MSG_MCP,
2625 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2626 mf_config);
2627
2628 /* if VIF_SET is "enabled" */
2629 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2630 /* set rate limit directly to internal RAM */
2631 struct cmng_init_input cmng_input;
2632 struct rate_shaping_vars_per_vn m_rs_vn;
2633 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2634 u32 addr = BAR_XSTRORM_INTMEM +
2635 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2636
2637 bp->mf_config[BP_VN(bp)] = mf_config;
2638
2639 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2640 m_rs_vn.vn_counter.rate =
2641 cmng_input.vnic_max_rate[BP_VN(bp)];
2642 m_rs_vn.vn_counter.quota =
2643 (m_rs_vn.vn_counter.rate *
2644 RS_PERIODIC_TIMEOUT_USEC) / 8;
2645
2646 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2647
2648 /* read relevant values from mf_cfg struct in shmem */
2649 vif_id =
2650 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2651 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2652 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2653 vlan_val =
2654 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2655 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2656 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2657 vlan_prio = (mf_config &
2658 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2659 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2660 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2661 vlan_mode =
2662 (MF_CFG_RD(bp,
2663 func_mf_config[func].afex_config) &
2664 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2665 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2666 allowed_prio =
2667 (MF_CFG_RD(bp,
2668 func_mf_config[func].afex_config) &
2669 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2670 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2671
2672 /* send ramrod to FW, return in case of failure */
2673 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2674 allowed_prio))
2675 return;
2676
2677 bp->afex_def_vlan_tag = vlan_val;
2678 bp->afex_vlan_mode = vlan_mode;
2679 } else {
2680 /* notify link down because BP->flags is disabled */
2681 bnx2x_link_report(bp);
2682
2683 /* send INVALID VIF ramrod to FW */
2684 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2685
2686 /* Reset the default afex VLAN */
2687 bp->afex_def_vlan_tag = -1;
2688 }
2689 }
2690}
2691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002692static void bnx2x_pmf_update(struct bnx2x *bp)
2693{
2694 int port = BP_PORT(bp);
2695 u32 val;
2696
2697 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002698 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002699
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002700 /*
2701 * We need the mb() to ensure the ordering between the writing to
2702 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2703 */
2704 smp_mb();
2705
2706 /* queue a periodic task */
2707 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2708
Dmitry Kravkovef018542011-06-14 01:33:57 +00002709 bnx2x_dcbx_pmf_update(bp);
2710
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002711 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002712 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002713 if (bp->common.int_block == INT_BLOCK_HC) {
2714 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2715 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002716 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002717 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2718 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2719 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002720
2721 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002722}
2723
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002724/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002725
2726/* slow path */
2727
2728/*
2729 * General service functions
2730 */
2731
Eilon Greenstein2691d512009-08-12 08:22:08 +00002732/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002733u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002734{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002735 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002736 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002737 u32 rc = 0;
2738 u32 cnt = 1;
2739 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2740
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002741 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002742 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002743 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2744 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2745
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002746 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2747 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002748
2749 do {
2750 /* let the FW do it's magic ... */
2751 msleep(delay);
2752
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002753 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002754
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002755 /* Give the FW up to 5 second (500*10ms) */
2756 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002757
2758 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2759 cnt*delay, rc, seq);
2760
2761 /* is this a reply to our command? */
2762 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2763 rc &= FW_MSG_CODE_MASK;
2764 else {
2765 /* FW BUG! */
2766 BNX2X_ERR("FW failed to respond!\n");
2767 bnx2x_fw_dump(bp);
2768 rc = 0;
2769 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002770 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002771
2772 return rc;
2773}
2774
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002775
Eric Dumazet1191cb82012-04-27 21:39:21 +00002776static void storm_memset_func_cfg(struct bnx2x *bp,
2777 struct tstorm_eth_function_common_config *tcfg,
2778 u16 abs_fid)
2779{
2780 size_t size = sizeof(struct tstorm_eth_function_common_config);
2781
2782 u32 addr = BAR_TSTRORM_INTMEM +
2783 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2784
2785 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2786}
2787
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002788void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002789{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002790 if (CHIP_IS_E1x(bp)) {
2791 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002792
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002793 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2794 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002795
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002796 /* Enable the function in the FW */
2797 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2798 storm_memset_func_en(bp, p->func_id, 1);
2799
2800 /* spq */
2801 if (p->func_flgs & FUNC_FLG_SPQ) {
2802 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2803 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2804 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2805 }
2806}
2807
Ariel Elior6383c0b2011-07-14 08:31:57 +00002808/**
2809 * bnx2x_get_tx_only_flags - Return common flags
2810 *
2811 * @bp device handle
2812 * @fp queue handle
2813 * @zero_stats TRUE if statistics zeroing is needed
2814 *
2815 * Return the flags that are common for the Tx-only and not normal connections.
2816 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002817static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2818 struct bnx2x_fastpath *fp,
2819 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002820{
2821 unsigned long flags = 0;
2822
2823 /* PF driver will always initialize the Queue to an ACTIVE state */
2824 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2825
Ariel Elior6383c0b2011-07-14 08:31:57 +00002826 /* tx only connections collect statistics (on the same index as the
2827 * parent connection). The statistics are zeroed when the parent
2828 * connection is initialized.
2829 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002830
2831 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2832 if (zero_stats)
2833 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2834
Ariel Elior6383c0b2011-07-14 08:31:57 +00002835
2836 return flags;
2837}
2838
Eric Dumazet1191cb82012-04-27 21:39:21 +00002839static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2840 struct bnx2x_fastpath *fp,
2841 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002842{
2843 unsigned long flags = 0;
2844
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002845 /* calculate other queue flags */
2846 if (IS_MF_SD(bp))
2847 __set_bit(BNX2X_Q_FLG_OV, &flags);
2848
Barak Witkowskia3348722012-04-23 03:04:46 +00002849 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002850 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002851 /* For FCoE - force usage of default priority (for afex) */
2852 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2853 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002854
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002855 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002856 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002857 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002858 if (fp->mode == TPA_MODE_GRO)
2859 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002860 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002861
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002862 if (leading) {
2863 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2864 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2865 }
2866
2867 /* Always set HW VLAN stripping */
2868 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002869
Barak Witkowskia3348722012-04-23 03:04:46 +00002870 /* configure silent vlan removal */
2871 if (IS_MF_AFEX(bp))
2872 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2873
Ariel Elior6383c0b2011-07-14 08:31:57 +00002874
2875 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002876}
2877
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002878static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002879 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2880 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002881{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002882 gen_init->stat_id = bnx2x_stats_id(fp);
2883 gen_init->spcl_id = fp->cl_id;
2884
2885 /* Always use mini-jumbo MTU for FCoE L2 ring */
2886 if (IS_FCOE_FP(fp))
2887 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2888 else
2889 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002890
2891 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002892}
2893
2894static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2895 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2896 struct bnx2x_rxq_setup_params *rxq_init)
2897{
2898 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002899 u16 sge_sz = 0;
2900 u16 tpa_agg_size = 0;
2901
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002902 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002903 pause->sge_th_lo = SGE_TH_LO(bp);
2904 pause->sge_th_hi = SGE_TH_HI(bp);
2905
2906 /* validate SGE ring has enough to cross high threshold */
2907 WARN_ON(bp->dropless_fc &&
2908 pause->sge_th_hi + FW_PREFETCH_CNT >
2909 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2910
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002911 tpa_agg_size = min_t(u32,
2912 (min_t(u32, 8, MAX_SKB_FRAGS) *
2913 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2914 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2915 SGE_PAGE_SHIFT;
2916 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2917 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2918 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2919 0xffff);
2920 }
2921
2922 /* pause - not for e1 */
2923 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002924 pause->bd_th_lo = BD_TH_LO(bp);
2925 pause->bd_th_hi = BD_TH_HI(bp);
2926
2927 pause->rcq_th_lo = RCQ_TH_LO(bp);
2928 pause->rcq_th_hi = RCQ_TH_HI(bp);
2929 /*
2930 * validate that rings have enough entries to cross
2931 * high thresholds
2932 */
2933 WARN_ON(bp->dropless_fc &&
2934 pause->bd_th_hi + FW_PREFETCH_CNT >
2935 bp->rx_ring_size);
2936 WARN_ON(bp->dropless_fc &&
2937 pause->rcq_th_hi + FW_PREFETCH_CNT >
2938 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002939
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002940 pause->pri_map = 1;
2941 }
2942
2943 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002944 rxq_init->dscr_map = fp->rx_desc_mapping;
2945 rxq_init->sge_map = fp->rx_sge_mapping;
2946 rxq_init->rcq_map = fp->rx_comp_mapping;
2947 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002948
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002949 /* This should be a maximum number of data bytes that may be
2950 * placed on the BD (not including paddings).
2951 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002952 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2953 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002954
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002955 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002956 rxq_init->tpa_agg_sz = tpa_agg_size;
2957 rxq_init->sge_buf_sz = sge_sz;
2958 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002959 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002960 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002961
2962 /* Maximum number or simultaneous TPA aggregation for this Queue.
2963 *
2964 * For PF Clients it should be the maximum avaliable number.
2965 * VF driver(s) may want to define it to a smaller value.
2966 */
David S. Miller8decf862011-09-22 03:23:13 -04002967 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002968
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002969 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2970 rxq_init->fw_sb_id = fp->fw_sb_id;
2971
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002972 if (IS_FCOE_FP(fp))
2973 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2974 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002975 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002976 /* configure silent vlan removal
2977 * if multi function mode is afex, then mask default vlan
2978 */
2979 if (IS_MF_AFEX(bp)) {
2980 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2981 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2982 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002983}
2984
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002985static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002986 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2987 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002988{
Merav Sicron65565882012-06-19 07:48:26 +00002989 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002990 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002991 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2992 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002993
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002994 /*
2995 * set the tss leading client id for TX classfication ==
2996 * leading RSS client id
2997 */
2998 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2999
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003000 if (IS_FCOE_FP(fp)) {
3001 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
3002 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
3003 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003004}
3005
stephen hemminger8d962862010-10-21 07:50:56 +00003006static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003007{
3008 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003009 struct event_ring_data eq_data = { {0} };
3010 u16 flags;
3011
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003012 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003013 /* reset IGU PF statistics: MSIX + ATTN */
3014 /* PF */
3015 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3016 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3017 (CHIP_MODE_IS_4_PORT(bp) ?
3018 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3019 /* ATTN */
3020 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3021 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3022 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
3023 (CHIP_MODE_IS_4_PORT(bp) ?
3024 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3025 }
3026
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003027 /* function setup flags */
3028 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
3029
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003030 /* This flag is relevant for E1x only.
3031 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003032 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003033 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003034
3035 func_init.func_flgs = flags;
3036 func_init.pf_id = BP_FUNC(bp);
3037 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003038 func_init.spq_map = bp->spq_mapping;
3039 func_init.spq_prod = bp->spq_prod_idx;
3040
3041 bnx2x_func_init(bp, &func_init);
3042
3043 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
3044
3045 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003046 * Congestion management values depend on the link rate
3047 * There is no active link so initial link rate is set to 10 Gbps.
3048 * When the link comes up The congestion management values are
3049 * re-calculated according to the actual link rate.
3050 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003051 bp->link_vars.line_speed = SPEED_10000;
3052 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3053
3054 /* Only the PMF sets the HW */
3055 if (bp->port.pmf)
3056 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3057
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003058 /* init Event Queue */
3059 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3060 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3061 eq_data.producer = bp->eq_prod;
3062 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3063 eq_data.sb_id = DEF_SB_ID;
3064 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3065}
3066
3067
Eilon Greenstein2691d512009-08-12 08:22:08 +00003068static void bnx2x_e1h_disable(struct bnx2x *bp)
3069{
3070 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003071
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003072 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003073
3074 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003075}
3076
3077static void bnx2x_e1h_enable(struct bnx2x *bp)
3078{
3079 int port = BP_PORT(bp);
3080
3081 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3082
Eilon Greenstein2691d512009-08-12 08:22:08 +00003083 /* Tx queue should be only reenabled */
3084 netif_tx_wake_all_queues(bp->dev);
3085
Eilon Greenstein061bc702009-10-15 00:18:47 -07003086 /*
3087 * Should not call netif_carrier_on since it will be called if the link
3088 * is up when checking for link state
3089 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003090}
3091
Barak Witkowski1d187b32011-12-05 22:41:50 +00003092#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3093
3094static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3095{
3096 struct eth_stats_info *ether_stat =
3097 &bp->slowpath->drv_info_to_mcp.ether_stat;
3098
Dan Carpenter786fdf02012-10-02 01:47:46 +00003099 strlcpy(ether_stat->version, DRV_MODULE_VERSION,
3100 ETH_STAT_INFO_VERSION_LEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003101
Barak Witkowski15192a82012-06-19 07:48:28 +00003102 bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3103 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3104 ether_stat->mac_local);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003105
3106 ether_stat->mtu_size = bp->dev->mtu;
3107
3108 if (bp->dev->features & NETIF_F_RXCSUM)
3109 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3110 if (bp->dev->features & NETIF_F_TSO)
3111 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3112 ether_stat->feature_flags |= bp->common.boot_mode;
3113
3114 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3115
3116 ether_stat->txq_size = bp->tx_ring_size;
3117 ether_stat->rxq_size = bp->rx_ring_size;
3118}
3119
3120static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3121{
3122 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3123 struct fcoe_stats_info *fcoe_stat =
3124 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3125
Merav Sicron55c11942012-11-07 00:45:48 +00003126 if (!CNIC_LOADED(bp))
3127 return;
3128
Barak Witkowski2e499d32012-06-26 01:31:19 +00003129 memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
3130 bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003131
3132 fcoe_stat->qos_priority =
3133 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3134
3135 /* insert FCoE stats from ramrod response */
3136 if (!NO_FCOE(bp)) {
3137 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003138 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003139 tstorm_queue_statistics;
3140
3141 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003142 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003143 xstorm_queue_statistics;
3144
3145 struct fcoe_statistics_params *fw_fcoe_stat =
3146 &bp->fw_stats_data->fcoe;
3147
3148 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3149 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3150
3151 ADD_64(fcoe_stat->rx_bytes_hi,
3152 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3153 fcoe_stat->rx_bytes_lo,
3154 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3155
3156 ADD_64(fcoe_stat->rx_bytes_hi,
3157 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3158 fcoe_stat->rx_bytes_lo,
3159 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3160
3161 ADD_64(fcoe_stat->rx_bytes_hi,
3162 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3163 fcoe_stat->rx_bytes_lo,
3164 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3165
3166 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3167 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3168
3169 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3170 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3171
3172 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3173 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3174
3175 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003176 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003177
3178 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3179 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3180
3181 ADD_64(fcoe_stat->tx_bytes_hi,
3182 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3183 fcoe_stat->tx_bytes_lo,
3184 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3185
3186 ADD_64(fcoe_stat->tx_bytes_hi,
3187 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3188 fcoe_stat->tx_bytes_lo,
3189 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3190
3191 ADD_64(fcoe_stat->tx_bytes_hi,
3192 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3193 fcoe_stat->tx_bytes_lo,
3194 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3195
3196 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3197 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3198
3199 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3200 fcoe_q_xstorm_stats->ucast_pkts_sent);
3201
3202 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3203 fcoe_q_xstorm_stats->bcast_pkts_sent);
3204
3205 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3206 fcoe_q_xstorm_stats->mcast_pkts_sent);
3207 }
3208
Barak Witkowski1d187b32011-12-05 22:41:50 +00003209 /* ask L5 driver to add data to the struct */
3210 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003211}
3212
3213static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3214{
3215 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3216 struct iscsi_stats_info *iscsi_stat =
3217 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3218
Merav Sicron55c11942012-11-07 00:45:48 +00003219 if (!CNIC_LOADED(bp))
3220 return;
3221
Barak Witkowski2e499d32012-06-26 01:31:19 +00003222 memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
3223 bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003224
3225 iscsi_stat->qos_priority =
3226 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3227
Barak Witkowski1d187b32011-12-05 22:41:50 +00003228 /* ask L5 driver to add data to the struct */
3229 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003230}
3231
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003232/* called due to MCP event (on pmf):
3233 * reread new bandwidth configuration
3234 * configure FW
3235 * notify others function about the change
3236 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003237static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003238{
3239 if (bp->link_vars.link_up) {
3240 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3241 bnx2x_link_sync_notify(bp);
3242 }
3243 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3244}
3245
Eric Dumazet1191cb82012-04-27 21:39:21 +00003246static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003247{
3248 bnx2x_config_mf_bw(bp);
3249 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3250}
3251
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003252static void bnx2x_handle_eee_event(struct bnx2x *bp)
3253{
3254 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3255 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3256}
3257
Barak Witkowski1d187b32011-12-05 22:41:50 +00003258static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3259{
3260 enum drv_info_opcode op_code;
3261 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3262
3263 /* if drv_info version supported by MFW doesn't match - send NACK */
3264 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3265 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3266 return;
3267 }
3268
3269 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3270 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3271
3272 memset(&bp->slowpath->drv_info_to_mcp, 0,
3273 sizeof(union drv_info_to_mcp));
3274
3275 switch (op_code) {
3276 case ETH_STATS_OPCODE:
3277 bnx2x_drv_info_ether_stat(bp);
3278 break;
3279 case FCOE_STATS_OPCODE:
3280 bnx2x_drv_info_fcoe_stat(bp);
3281 break;
3282 case ISCSI_STATS_OPCODE:
3283 bnx2x_drv_info_iscsi_stat(bp);
3284 break;
3285 default:
3286 /* if op code isn't supported - send NACK */
3287 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3288 return;
3289 }
3290
3291 /* if we got drv_info attn from MFW then these fields are defined in
3292 * shmem2 for sure
3293 */
3294 SHMEM2_WR(bp, drv_info_host_addr_lo,
3295 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3296 SHMEM2_WR(bp, drv_info_host_addr_hi,
3297 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3298
3299 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3300}
3301
Eilon Greenstein2691d512009-08-12 08:22:08 +00003302static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3303{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003304 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003305
3306 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3307
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003308 /*
3309 * This is the only place besides the function initialization
3310 * where the bp->flags can change so it is done without any
3311 * locks
3312 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003313 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003314 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003315 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003316
3317 bnx2x_e1h_disable(bp);
3318 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003319 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003320 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003321
3322 bnx2x_e1h_enable(bp);
3323 }
3324 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3325 }
3326 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003327 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003328 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3329 }
3330
3331 /* Report results to MCP */
3332 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003333 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003334 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003335 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003336}
3337
Michael Chan289129022009-10-10 13:46:53 +00003338/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003339static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003340{
3341 struct eth_spe *next_spe = bp->spq_prod_bd;
3342
3343 if (bp->spq_prod_bd == bp->spq_last_bd) {
3344 bp->spq_prod_bd = bp->spq;
3345 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003346 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan289129022009-10-10 13:46:53 +00003347 } else {
3348 bp->spq_prod_bd++;
3349 bp->spq_prod_idx++;
3350 }
3351 return next_spe;
3352}
3353
3354/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003355static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003356{
3357 int func = BP_FUNC(bp);
3358
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003359 /*
3360 * Make sure that BD data is updated before writing the producer:
3361 * BD data is written to the memory, the producer is read from the
3362 * memory, thus we need a full memory barrier to ensure the ordering.
3363 */
3364 mb();
Michael Chan289129022009-10-10 13:46:53 +00003365
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003366 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003367 bp->spq_prod_idx);
Michael Chan289129022009-10-10 13:46:53 +00003368 mmiowb();
3369}
3370
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003371/**
3372 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3373 *
3374 * @cmd: command to check
3375 * @cmd_type: command type
3376 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003377static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003378{
3379 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003380 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003381 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3382 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3383 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3384 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3385 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3386 return true;
3387 else
3388 return false;
3389
3390}
3391
3392
3393/**
3394 * bnx2x_sp_post - place a single command on an SP ring
3395 *
3396 * @bp: driver handle
3397 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3398 * @cid: SW CID the command is related to
3399 * @data_hi: command private data address (high 32 bits)
3400 * @data_lo: command private data address (low 32 bits)
3401 * @cmd_type: command type (e.g. NONE, ETH)
3402 *
3403 * SP data is handled as if it's always an address pair, thus data fields are
3404 * not swapped to little endian in upper functions. Instead this function swaps
3405 * data as if it's two u32 fields.
3406 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003407int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003408 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003409{
Michael Chan289129022009-10-10 13:46:53 +00003410 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003411 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003412 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003413
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003414#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003415 if (unlikely(bp->panic)) {
3416 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003417 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003418 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003419#endif
3420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003421 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003422
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003423 if (common) {
3424 if (!atomic_read(&bp->eq_spq_left)) {
3425 BNX2X_ERR("BUG! EQ ring full!\n");
3426 spin_unlock_bh(&bp->spq_lock);
3427 bnx2x_panic();
3428 return -EBUSY;
3429 }
3430 } else if (!atomic_read(&bp->cq_spq_left)) {
3431 BNX2X_ERR("BUG! SPQ ring full!\n");
3432 spin_unlock_bh(&bp->spq_lock);
3433 bnx2x_panic();
3434 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003435 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003436
Michael Chan289129022009-10-10 13:46:53 +00003437 spe = bnx2x_sp_get_next(bp);
3438
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003439 /* CID needs port number to be encoded int it */
Michael Chan289129022009-10-10 13:46:53 +00003440 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003441 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3442 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003443
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003444 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003445
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003446 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3447 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003448
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003449 spe->hdr.type = cpu_to_le16(type);
3450
3451 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3452 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3453
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003454 /*
3455 * It's ok if the actual decrement is issued towards the memory
3456 * somewhere between the spin_lock and spin_unlock. Thus no
3457 * more explict memory barrier is needed.
3458 */
3459 if (common)
3460 atomic_dec(&bp->eq_spq_left);
3461 else
3462 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003463
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003464
Merav Sicron51c1a582012-03-18 10:33:38 +00003465 DP(BNX2X_MSG_SP,
3466 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003467 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3468 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003469 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003470 HW_CID(bp, cid), data_hi, data_lo, type,
3471 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003472
Michael Chan289129022009-10-10 13:46:53 +00003473 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003474 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003475 return 0;
3476}
3477
3478/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003479static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003480{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003481 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003482 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003483
3484 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003485 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003486 val = (1UL << 31);
3487 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3488 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3489 if (val & (1L << 31))
3490 break;
3491
3492 msleep(5);
3493 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003494 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003495 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003496 rc = -EBUSY;
3497 }
3498
3499 return rc;
3500}
3501
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003502/* release split MCP access lock register */
3503static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003504{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003505 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003506}
3507
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003508#define BNX2X_DEF_SB_ATT_IDX 0x0001
3509#define BNX2X_DEF_SB_IDX 0x0002
3510
Eric Dumazet1191cb82012-04-27 21:39:21 +00003511static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003512{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003513 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003514 u16 rc = 0;
3515
3516 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003517 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3518 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003519 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003520 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003521
3522 if (bp->def_idx != def_sb->sp_sb.running_index) {
3523 bp->def_idx = def_sb->sp_sb.running_index;
3524 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003525 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003526
3527 /* Do not reorder: indecies reading should complete before handling */
3528 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003529 return rc;
3530}
3531
3532/*
3533 * slow path service functions
3534 */
3535
3536static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3537{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003538 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003539 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3540 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003541 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3542 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003543 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003544 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003545 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003546
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003547 if (bp->attn_state & asserted)
3548 BNX2X_ERR("IGU ERROR\n");
3549
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003550 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3551 aeu_mask = REG_RD(bp, aeu_addr);
3552
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003554 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003555 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003556 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003558 REG_WR(bp, aeu_addr, aeu_mask);
3559 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003560
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003561 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003562 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003563 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003564
3565 if (asserted & ATTN_HARD_WIRED_MASK) {
3566 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003567
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003568 bnx2x_acquire_phy_lock(bp);
3569
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003570 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003571 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003572
Yaniv Rosner361c3912011-06-14 01:33:19 +00003573 /* If nig_mask is not set, no need to call the update
3574 * function.
3575 */
3576 if (nig_mask) {
3577 REG_WR(bp, nig_int_mask_addr, 0);
3578
3579 bnx2x_link_attn(bp);
3580 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003581
3582 /* handle unicore attn? */
3583 }
3584 if (asserted & ATTN_SW_TIMER_4_FUNC)
3585 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3586
3587 if (asserted & GPIO_2_FUNC)
3588 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3589
3590 if (asserted & GPIO_3_FUNC)
3591 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3592
3593 if (asserted & GPIO_4_FUNC)
3594 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3595
3596 if (port == 0) {
3597 if (asserted & ATTN_GENERAL_ATTN_1) {
3598 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3599 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3600 }
3601 if (asserted & ATTN_GENERAL_ATTN_2) {
3602 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3603 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3604 }
3605 if (asserted & ATTN_GENERAL_ATTN_3) {
3606 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3607 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3608 }
3609 } else {
3610 if (asserted & ATTN_GENERAL_ATTN_4) {
3611 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3612 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3613 }
3614 if (asserted & ATTN_GENERAL_ATTN_5) {
3615 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3616 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3617 }
3618 if (asserted & ATTN_GENERAL_ATTN_6) {
3619 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3620 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3621 }
3622 }
3623
3624 } /* if hardwired */
3625
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003626 if (bp->common.int_block == INT_BLOCK_HC)
3627 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3628 COMMAND_REG_ATTN_BITS_SET);
3629 else
3630 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3631
3632 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3633 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3634 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003635
3636 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003637 if (asserted & ATTN_NIG_FOR_FUNC) {
Yaniv Rosner27c11512012-12-02 04:05:54 +00003638 /* Verify that IGU ack through BAR was written before restoring
3639 * NIG mask. This loop should exit after 2-3 iterations max.
3640 */
3641 if (bp->common.int_block != INT_BLOCK_HC) {
3642 u32 cnt = 0, igu_acked;
3643 do {
3644 igu_acked = REG_RD(bp,
3645 IGU_REG_ATTENTION_ACK_BITS);
3646 } while (((igu_acked & ATTN_NIG_FOR_FUNC) == 0) &&
3647 (++cnt < MAX_IGU_ATTN_ACK_TO));
3648 if (!igu_acked)
3649 DP(NETIF_MSG_HW,
3650 "Failed to verify IGU ack on time\n");
3651 barrier();
3652 }
Eilon Greenstein87942b42009-02-12 08:36:49 +00003653 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003654 bnx2x_release_phy_lock(bp);
3655 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003656}
3657
Eric Dumazet1191cb82012-04-27 21:39:21 +00003658static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003659{
3660 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003661 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003662 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003663 ext_phy_config =
3664 SHMEM_RD(bp,
3665 dev_info.port_hw_config[port].external_phy_config);
3666
3667 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3668 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003669 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003670 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003671
3672 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003673 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3674 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003675
3676 /*
3677 * Scheudle device reset (unload)
3678 * This is due to some boards consuming sufficient power when driver is
3679 * up to overheat if fan fails.
3680 */
3681 smp_mb__before_clear_bit();
3682 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3683 smp_mb__after_clear_bit();
3684 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3685
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003686}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003687
Eric Dumazet1191cb82012-04-27 21:39:21 +00003688static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003689{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003690 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003691 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003692 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003693
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003694 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3695 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003696
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003697 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003698
3699 val = REG_RD(bp, reg_offset);
3700 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3701 REG_WR(bp, reg_offset, val);
3702
3703 BNX2X_ERR("SPIO5 hw attention\n");
3704
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003705 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003706 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003707 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003708 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003709
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003710 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003711 bnx2x_acquire_phy_lock(bp);
3712 bnx2x_handle_module_detect_int(&bp->link_params);
3713 bnx2x_release_phy_lock(bp);
3714 }
3715
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003716 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3717
3718 val = REG_RD(bp, reg_offset);
3719 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3720 REG_WR(bp, reg_offset, val);
3721
3722 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003723 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003724 bnx2x_panic();
3725 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003726}
3727
Eric Dumazet1191cb82012-04-27 21:39:21 +00003728static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003729{
3730 u32 val;
3731
Eilon Greenstein0626b892009-02-12 08:38:14 +00003732 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003733
3734 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3735 BNX2X_ERR("DB hw attention 0x%x\n", val);
3736 /* DORQ discard attention */
3737 if (val & 0x2)
3738 BNX2X_ERR("FATAL error from DORQ\n");
3739 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003740
3741 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3742
3743 int port = BP_PORT(bp);
3744 int reg_offset;
3745
3746 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3747 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3748
3749 val = REG_RD(bp, reg_offset);
3750 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3751 REG_WR(bp, reg_offset, val);
3752
3753 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003754 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003755 bnx2x_panic();
3756 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003757}
3758
Eric Dumazet1191cb82012-04-27 21:39:21 +00003759static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003760{
3761 u32 val;
3762
3763 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3764
3765 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3766 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3767 /* CFC error attention */
3768 if (val & 0x2)
3769 BNX2X_ERR("FATAL error from CFC\n");
3770 }
3771
3772 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003773 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003774 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003775 /* RQ_USDMDP_FIFO_OVERFLOW */
3776 if (val & 0x18000)
3777 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003778
3779 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003780 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3781 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3782 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003783 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003784
3785 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3786
3787 int port = BP_PORT(bp);
3788 int reg_offset;
3789
3790 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3791 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3792
3793 val = REG_RD(bp, reg_offset);
3794 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3795 REG_WR(bp, reg_offset, val);
3796
3797 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003798 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003799 bnx2x_panic();
3800 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003801}
3802
Eric Dumazet1191cb82012-04-27 21:39:21 +00003803static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003804{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003805 u32 val;
3806
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003807 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3808
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003809 if (attn & BNX2X_PMF_LINK_ASSERT) {
3810 int func = BP_FUNC(bp);
3811
3812 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003813 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003814 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3815 func_mf_config[BP_ABS_FUNC(bp)].config);
3816 val = SHMEM_RD(bp,
3817 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003818 if (val & DRV_STATUS_DCC_EVENT_MASK)
3819 bnx2x_dcc_event(bp,
3820 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003821
3822 if (val & DRV_STATUS_SET_MF_BW)
3823 bnx2x_set_mf_bw(bp);
3824
Barak Witkowski1d187b32011-12-05 22:41:50 +00003825 if (val & DRV_STATUS_DRV_INFO_REQ)
3826 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003827 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003828 bnx2x_pmf_update(bp);
3829
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003830 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003831 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3832 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003833 /* start dcbx state machine */
3834 bnx2x_dcbx_set_params(bp,
3835 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003836 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3837 bnx2x_handle_afex_cmd(bp,
3838 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003839 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3840 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003841 if (bp->link_vars.periodic_flags &
3842 PERIODIC_FLAGS_LINK_EVENT) {
3843 /* sync with link */
3844 bnx2x_acquire_phy_lock(bp);
3845 bp->link_vars.periodic_flags &=
3846 ~PERIODIC_FLAGS_LINK_EVENT;
3847 bnx2x_release_phy_lock(bp);
3848 if (IS_MF(bp))
3849 bnx2x_link_sync_notify(bp);
3850 bnx2x_link_report(bp);
3851 }
3852 /* Always call it here: bnx2x_link_report() will
3853 * prevent the link indication duplication.
3854 */
3855 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003856 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003857
3858 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003859 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003860 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3861 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3862 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3863 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3864 bnx2x_panic();
3865
3866 } else if (attn & BNX2X_MCP_ASSERT) {
3867
3868 BNX2X_ERR("MCP assert!\n");
3869 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003870 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003871
3872 } else
3873 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3874 }
3875
3876 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003877 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3878 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003879 val = CHIP_IS_E1(bp) ? 0 :
3880 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003881 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3882 }
3883 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003884 val = CHIP_IS_E1(bp) ? 0 :
3885 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003886 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3887 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003888 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003889 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003890}
3891
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003892/*
3893 * Bits map:
3894 * 0-7 - Engine0 load counter.
3895 * 8-15 - Engine1 load counter.
3896 * 16 - Engine0 RESET_IN_PROGRESS bit.
3897 * 17 - Engine1 RESET_IN_PROGRESS bit.
3898 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3899 * on the engine
3900 * 19 - Engine1 ONE_IS_LOADED.
3901 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3902 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3903 * just the one belonging to its engine).
3904 *
3905 */
3906#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3907
3908#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3909#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3910#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3911#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3912#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3913#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3914#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003915
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003916/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003917 * Set the GLOBAL_RESET bit.
3918 *
3919 * Should be run under rtnl lock
3920 */
3921void bnx2x_set_reset_global(struct bnx2x *bp)
3922{
Ariel Eliorf16da432012-01-26 06:01:50 +00003923 u32 val;
3924 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3925 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003926 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003927 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003928}
3929
3930/*
3931 * Clear the GLOBAL_RESET bit.
3932 *
3933 * Should be run under rtnl lock
3934 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003935static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003936{
Ariel Eliorf16da432012-01-26 06:01:50 +00003937 u32 val;
3938 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3939 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003940 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003941 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003942}
3943
3944/*
3945 * Checks the GLOBAL_RESET bit.
3946 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003947 * should be run under rtnl lock
3948 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003949static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003950{
3951 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3952
3953 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3954 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3955}
3956
3957/*
3958 * Clear RESET_IN_PROGRESS bit for the current engine.
3959 *
3960 * Should be run under rtnl lock
3961 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003962static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003963{
Ariel Eliorf16da432012-01-26 06:01:50 +00003964 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003965 u32 bit = BP_PATH(bp) ?
3966 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003967 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3968 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003969
3970 /* Clear the bit */
3971 val &= ~bit;
3972 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003973
3974 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003975}
3976
3977/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003978 * Set RESET_IN_PROGRESS for the current engine.
3979 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003980 * should be run under rtnl lock
3981 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003982void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003983{
Ariel Eliorf16da432012-01-26 06:01:50 +00003984 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003985 u32 bit = BP_PATH(bp) ?
3986 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003987 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3988 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003989
3990 /* Set the bit */
3991 val |= bit;
3992 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003993 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003994}
3995
3996/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003997 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003998 * should be run under rtnl lock
3999 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004000bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004001{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004002 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4003 u32 bit = engine ?
4004 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
4005
4006 /* return false if bit is set */
4007 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004008}
4009
4010/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004011 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004012 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004013 * should be run under rtnl lock
4014 */
Ariel Elior889b9af2012-01-26 06:01:51 +00004015void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004016{
Ariel Eliorf16da432012-01-26 06:01:50 +00004017 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004018 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4019 BNX2X_PATH0_LOAD_CNT_MASK;
4020 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4021 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004022
Ariel Eliorf16da432012-01-26 06:01:50 +00004023 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4024 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4025
Merav Sicron51c1a582012-03-18 10:33:38 +00004026 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004027
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004028 /* get the current counter value */
4029 val1 = (val & mask) >> shift;
4030
Ariel Elior889b9af2012-01-26 06:01:51 +00004031 /* set bit of that PF */
4032 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004033
4034 /* clear the old value */
4035 val &= ~mask;
4036
4037 /* set the new one */
4038 val |= ((val1 << shift) & mask);
4039
4040 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004041 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004042}
4043
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004044/**
Ariel Elior889b9af2012-01-26 06:01:51 +00004045 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004046 *
4047 * @bp: driver handle
4048 *
4049 * Should be run under rtnl lock.
4050 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00004051 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004052 */
Ariel Elior889b9af2012-01-26 06:01:51 +00004053bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004054{
Ariel Eliorf16da432012-01-26 06:01:50 +00004055 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004056 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4057 BNX2X_PATH0_LOAD_CNT_MASK;
4058 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4059 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004060
Ariel Eliorf16da432012-01-26 06:01:50 +00004061 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4062 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004063 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004064
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004065 /* get the current counter value */
4066 val1 = (val & mask) >> shift;
4067
Ariel Elior889b9af2012-01-26 06:01:51 +00004068 /* clear bit of that PF */
4069 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004070
4071 /* clear the old value */
4072 val &= ~mask;
4073
4074 /* set the new one */
4075 val |= ((val1 << shift) & mask);
4076
4077 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004078 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4079 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004080}
4081
4082/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004083 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004084 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004085 * should be run under rtnl lock
4086 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004087static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004088{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004089 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4090 BNX2X_PATH0_LOAD_CNT_MASK);
4091 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4092 BNX2X_PATH0_LOAD_CNT_SHIFT);
4093 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4094
Merav Sicron51c1a582012-03-18 10:33:38 +00004095 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004096
4097 val = (val & mask) >> shift;
4098
Merav Sicron51c1a582012-03-18 10:33:38 +00004099 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4100 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004101
Ariel Elior889b9af2012-01-26 06:01:51 +00004102 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004103}
4104
Eric Dumazet1191cb82012-04-27 21:39:21 +00004105static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004106{
Joe Perchesf1deab52011-08-14 12:16:21 +00004107 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004108}
4109
Eric Dumazet1191cb82012-04-27 21:39:21 +00004110static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4111 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004112{
4113 int i = 0;
4114 u32 cur_bit = 0;
4115 for (i = 0; sig; i++) {
4116 cur_bit = ((u32)0x1 << i);
4117 if (sig & cur_bit) {
4118 switch (cur_bit) {
4119 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004120 if (print)
4121 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004122 break;
4123 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004124 if (print)
4125 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004126 break;
4127 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004128 if (print)
4129 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004130 break;
4131 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004132 if (print)
4133 _print_next_block(par_num++,
4134 "SEARCHER");
4135 break;
4136 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4137 if (print)
4138 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004139 break;
4140 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004141 if (print)
4142 _print_next_block(par_num++, "TSEMI");
4143 break;
4144 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4145 if (print)
4146 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004147 break;
4148 }
4149
4150 /* Clear the bit */
4151 sig &= ~cur_bit;
4152 }
4153 }
4154
4155 return par_num;
4156}
4157
Eric Dumazet1191cb82012-04-27 21:39:21 +00004158static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4159 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004160{
4161 int i = 0;
4162 u32 cur_bit = 0;
4163 for (i = 0; sig; i++) {
4164 cur_bit = ((u32)0x1 << i);
4165 if (sig & cur_bit) {
4166 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004167 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4168 if (print)
4169 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004170 break;
4171 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004172 if (print)
4173 _print_next_block(par_num++, "QM");
4174 break;
4175 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4176 if (print)
4177 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004178 break;
4179 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004180 if (print)
4181 _print_next_block(par_num++, "XSDM");
4182 break;
4183 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4184 if (print)
4185 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004186 break;
4187 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004188 if (print)
4189 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004190 break;
4191 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004192 if (print)
4193 _print_next_block(par_num++,
4194 "DOORBELLQ");
4195 break;
4196 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4197 if (print)
4198 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004199 break;
4200 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004201 if (print)
4202 _print_next_block(par_num++,
4203 "VAUX PCI CORE");
4204 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004205 break;
4206 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004207 if (print)
4208 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004209 break;
4210 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004211 if (print)
4212 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004213 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004214 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4215 if (print)
4216 _print_next_block(par_num++, "UCM");
4217 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004218 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004219 if (print)
4220 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004221 break;
4222 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004223 if (print)
4224 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004225 break;
4226 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004227 if (print)
4228 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004229 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004230 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4231 if (print)
4232 _print_next_block(par_num++, "CCM");
4233 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004234 }
4235
4236 /* Clear the bit */
4237 sig &= ~cur_bit;
4238 }
4239 }
4240
4241 return par_num;
4242}
4243
Eric Dumazet1191cb82012-04-27 21:39:21 +00004244static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4245 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004246{
4247 int i = 0;
4248 u32 cur_bit = 0;
4249 for (i = 0; sig; i++) {
4250 cur_bit = ((u32)0x1 << i);
4251 if (sig & cur_bit) {
4252 switch (cur_bit) {
4253 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004254 if (print)
4255 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004256 break;
4257 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004258 if (print)
4259 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004260 break;
4261 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004262 if (print)
4263 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004264 "PXPPCICLOCKCLIENT");
4265 break;
4266 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004267 if (print)
4268 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004269 break;
4270 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004271 if (print)
4272 _print_next_block(par_num++, "CDU");
4273 break;
4274 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4275 if (print)
4276 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004277 break;
4278 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004279 if (print)
4280 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004281 break;
4282 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004283 if (print)
4284 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004285 break;
4286 }
4287
4288 /* Clear the bit */
4289 sig &= ~cur_bit;
4290 }
4291 }
4292
4293 return par_num;
4294}
4295
Eric Dumazet1191cb82012-04-27 21:39:21 +00004296static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4297 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004298{
4299 int i = 0;
4300 u32 cur_bit = 0;
4301 for (i = 0; sig; i++) {
4302 cur_bit = ((u32)0x1 << i);
4303 if (sig & cur_bit) {
4304 switch (cur_bit) {
4305 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004306 if (print)
4307 _print_next_block(par_num++, "MCP ROM");
4308 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004309 break;
4310 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004311 if (print)
4312 _print_next_block(par_num++,
4313 "MCP UMP RX");
4314 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004315 break;
4316 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004317 if (print)
4318 _print_next_block(par_num++,
4319 "MCP UMP TX");
4320 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004321 break;
4322 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004323 if (print)
4324 _print_next_block(par_num++,
4325 "MCP SCPAD");
4326 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004327 break;
4328 }
4329
4330 /* Clear the bit */
4331 sig &= ~cur_bit;
4332 }
4333 }
4334
4335 return par_num;
4336}
4337
Eric Dumazet1191cb82012-04-27 21:39:21 +00004338static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4339 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004340{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004341 int i = 0;
4342 u32 cur_bit = 0;
4343 for (i = 0; sig; i++) {
4344 cur_bit = ((u32)0x1 << i);
4345 if (sig & cur_bit) {
4346 switch (cur_bit) {
4347 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4348 if (print)
4349 _print_next_block(par_num++, "PGLUE_B");
4350 break;
4351 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4352 if (print)
4353 _print_next_block(par_num++, "ATC");
4354 break;
4355 }
4356
4357 /* Clear the bit */
4358 sig &= ~cur_bit;
4359 }
4360 }
4361
4362 return par_num;
4363}
4364
Eric Dumazet1191cb82012-04-27 21:39:21 +00004365static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4366 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004367{
4368 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4369 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4370 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4371 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4372 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004373 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004374 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4375 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004376 sig[0] & HW_PRTY_ASSERT_SET_0,
4377 sig[1] & HW_PRTY_ASSERT_SET_1,
4378 sig[2] & HW_PRTY_ASSERT_SET_2,
4379 sig[3] & HW_PRTY_ASSERT_SET_3,
4380 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004381 if (print)
4382 netdev_err(bp->dev,
4383 "Parity errors detected in blocks: ");
4384 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004385 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004386 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004387 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004388 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004389 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004390 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004391 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4392 par_num = bnx2x_check_blocks_with_parity4(
4393 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4394
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004395 if (print)
4396 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004397
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004398 return true;
4399 } else
4400 return false;
4401}
4402
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004403/**
4404 * bnx2x_chk_parity_attn - checks for parity attentions.
4405 *
4406 * @bp: driver handle
4407 * @global: true if there was a global attention
4408 * @print: show parity attention in syslog
4409 */
4410bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004411{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004412 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004413 int port = BP_PORT(bp);
4414
4415 attn.sig[0] = REG_RD(bp,
4416 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4417 port*4);
4418 attn.sig[1] = REG_RD(bp,
4419 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4420 port*4);
4421 attn.sig[2] = REG_RD(bp,
4422 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4423 port*4);
4424 attn.sig[3] = REG_RD(bp,
4425 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4426 port*4);
4427
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004428 if (!CHIP_IS_E1x(bp))
4429 attn.sig[4] = REG_RD(bp,
4430 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4431 port*4);
4432
4433 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004434}
4435
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004436
Eric Dumazet1191cb82012-04-27 21:39:21 +00004437static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004438{
4439 u32 val;
4440 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4441
4442 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4443 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4444 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004445 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004446 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004447 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004448 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004449 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004450 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004451 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004452 if (val &
4453 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004454 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004455 if (val &
4456 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004457 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004458 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004459 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004460 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004461 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004462 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004463 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004464 }
4465 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4466 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4467 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4468 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4469 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4470 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004471 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004472 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004473 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004474 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004475 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004476 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4477 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4478 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004479 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004480 }
4481
4482 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4483 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4484 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4485 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4486 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4487 }
4488
4489}
4490
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004491static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4492{
4493 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004494 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004495 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004496 u32 reg_addr;
4497 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004498 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004499 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004500
4501 /* need to take HW lock because MCP or other port might also
4502 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004503 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004504
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004505 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4506#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004507 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004508 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004509 /* Disable HW interrupts */
4510 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004511 /* In case of parity errors don't handle attentions so that
4512 * other function would "see" parity errors.
4513 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004514#else
4515 bnx2x_panic();
4516#endif
4517 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004518 return;
4519 }
4520
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004521 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4522 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4523 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4524 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004525 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004526 attn.sig[4] =
4527 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4528 else
4529 attn.sig[4] = 0;
4530
4531 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4532 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004533
4534 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4535 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004536 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004537
Merav Sicron51c1a582012-03-18 10:33:38 +00004538 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004539 index,
4540 group_mask->sig[0], group_mask->sig[1],
4541 group_mask->sig[2], group_mask->sig[3],
4542 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004543
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004544 bnx2x_attn_int_deasserted4(bp,
4545 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004546 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004547 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004548 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004549 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004550 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004551 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004552 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004553 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004554 }
4555 }
4556
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004557 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004558
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004559 if (bp->common.int_block == INT_BLOCK_HC)
4560 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4561 COMMAND_REG_ATTN_BITS_CLR);
4562 else
4563 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004564
4565 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004566 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4567 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004568 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004569
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004570 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004571 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004572
4573 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4574 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4575
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004576 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4577 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004578
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004579 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4580 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004581 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004582 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4583
4584 REG_WR(bp, reg_addr, aeu_mask);
4585 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586
4587 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4588 bp->attn_state &= ~deasserted;
4589 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4590}
4591
4592static void bnx2x_attn_int(struct bnx2x *bp)
4593{
4594 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004595 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4596 attn_bits);
4597 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4598 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599 u32 attn_state = bp->attn_state;
4600
4601 /* look for changed bits */
4602 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4603 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4604
4605 DP(NETIF_MSG_HW,
4606 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4607 attn_bits, attn_ack, asserted, deasserted);
4608
4609 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004610 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004611
4612 /* handle bits that were raised */
4613 if (asserted)
4614 bnx2x_attn_int_asserted(bp, asserted);
4615
4616 if (deasserted)
4617 bnx2x_attn_int_deasserted(bp, deasserted);
4618}
4619
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004620void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4621 u16 index, u8 op, u8 update)
4622{
4623 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4624
4625 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4626 igu_addr);
4627}
4628
Eric Dumazet1191cb82012-04-27 21:39:21 +00004629static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004630{
4631 /* No memory barriers */
4632 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4633 mmiowb(); /* keep prod updates ordered */
4634}
4635
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004636static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4637 union event_ring_elem *elem)
4638{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004639 u8 err = elem->message.error;
4640
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004641 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004642 (cid < bp->cnic_eth_dev.starting_cid &&
4643 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004644 return 1;
4645
4646 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4647
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004648 if (unlikely(err)) {
4649
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004650 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4651 cid);
4652 bnx2x_panic_dump(bp);
4653 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004654 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004655 return 0;
4656}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004657
Eric Dumazet1191cb82012-04-27 21:39:21 +00004658static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004659{
4660 struct bnx2x_mcast_ramrod_params rparam;
4661 int rc;
4662
4663 memset(&rparam, 0, sizeof(rparam));
4664
4665 rparam.mcast_obj = &bp->mcast_obj;
4666
4667 netif_addr_lock_bh(bp->dev);
4668
4669 /* Clear pending state for the last command */
4670 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4671
4672 /* If there are pending mcast commands - send them */
4673 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4674 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4675 if (rc < 0)
4676 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4677 rc);
4678 }
4679
4680 netif_addr_unlock_bh(bp->dev);
4681}
4682
Eric Dumazet1191cb82012-04-27 21:39:21 +00004683static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4684 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004685{
4686 unsigned long ramrod_flags = 0;
4687 int rc = 0;
4688 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4689 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4690
4691 /* Always push next commands out, don't wait here */
4692 __set_bit(RAMROD_CONT, &ramrod_flags);
4693
4694 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4695 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004696 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Merav Sicron55c11942012-11-07 00:45:48 +00004697 if (CNIC_LOADED(bp) && (cid == BNX2X_ISCSI_ETH_CID(bp)))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004698 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4699 else
Barak Witkowski15192a82012-06-19 07:48:28 +00004700 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004701
4702 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004703 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004704 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004705 /* This is only relevant for 57710 where multicast MACs are
4706 * configured as unicast MACs using the same ramrod.
4707 */
4708 bnx2x_handle_mcast_eqe(bp);
4709 return;
4710 default:
4711 BNX2X_ERR("Unsupported classification command: %d\n",
4712 elem->message.data.eth_event.echo);
4713 return;
4714 }
4715
4716 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4717
4718 if (rc < 0)
4719 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4720 else if (rc > 0)
4721 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4722
4723}
4724
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004725static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004726
Eric Dumazet1191cb82012-04-27 21:39:21 +00004727static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004728{
4729 netif_addr_lock_bh(bp->dev);
4730
4731 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4732
4733 /* Send rx_mode command again if was requested */
4734 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4735 bnx2x_set_storm_rx_mode(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004736 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4737 &bp->sp_state))
4738 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4739 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4740 &bp->sp_state))
4741 bnx2x_set_iscsi_eth_rx_mode(bp, false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004742
4743 netif_addr_unlock_bh(bp->dev);
4744}
4745
Eric Dumazet1191cb82012-04-27 21:39:21 +00004746static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004747 union event_ring_elem *elem)
4748{
4749 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4750 DP(BNX2X_MSG_SP,
4751 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4752 elem->message.data.vif_list_event.func_bit_map);
4753 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4754 elem->message.data.vif_list_event.func_bit_map);
4755 } else if (elem->message.data.vif_list_event.echo ==
4756 VIF_LIST_RULE_SET) {
4757 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4758 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4759 }
4760}
4761
4762/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004763static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004764{
4765 int q, rc;
4766 struct bnx2x_fastpath *fp;
4767 struct bnx2x_queue_state_params queue_params = {NULL};
4768 struct bnx2x_queue_update_params *q_update_params =
4769 &queue_params.params.update;
4770
4771 /* Send Q update command with afex vlan removal values for all Qs */
4772 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4773
4774 /* set silent vlan removal values according to vlan mode */
4775 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4776 &q_update_params->update_flags);
4777 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4778 &q_update_params->update_flags);
4779 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4780
4781 /* in access mode mark mask and value are 0 to strip all vlans */
4782 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4783 q_update_params->silent_removal_value = 0;
4784 q_update_params->silent_removal_mask = 0;
4785 } else {
4786 q_update_params->silent_removal_value =
4787 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4788 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4789 }
4790
4791 for_each_eth_queue(bp, q) {
4792 /* Set the appropriate Queue object */
4793 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004794 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004795
4796 /* send the ramrod */
4797 rc = bnx2x_queue_state_change(bp, &queue_params);
4798 if (rc < 0)
4799 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4800 q);
4801 }
4802
Barak Witkowskia3348722012-04-23 03:04:46 +00004803 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004804 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004805 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004806
4807 /* clear pending completion bit */
4808 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4809
4810 /* mark latest Q bit */
4811 smp_mb__before_clear_bit();
4812 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4813 smp_mb__after_clear_bit();
4814
4815 /* send Q update ramrod for FCoE Q */
4816 rc = bnx2x_queue_state_change(bp, &queue_params);
4817 if (rc < 0)
4818 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4819 q);
4820 } else {
4821 /* If no FCoE ring - ACK MCP now */
4822 bnx2x_link_report(bp);
4823 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4824 }
Barak Witkowskia3348722012-04-23 03:04:46 +00004825}
4826
Eric Dumazet1191cb82012-04-27 21:39:21 +00004827static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004828 struct bnx2x *bp, u32 cid)
4829{
Joe Perches94f05b02011-08-14 12:16:20 +00004830 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00004831
4832 if (CNIC_LOADED(bp) && (cid == BNX2X_FCOE_ETH_CID(bp)))
Barak Witkowski15192a82012-06-19 07:48:28 +00004833 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004834 else
Barak Witkowski15192a82012-06-19 07:48:28 +00004835 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004836}
4837
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004838static void bnx2x_eq_int(struct bnx2x *bp)
4839{
4840 u16 hw_cons, sw_cons, sw_prod;
4841 union event_ring_elem *elem;
Merav Sicron55c11942012-11-07 00:45:48 +00004842 u8 echo;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004843 u32 cid;
4844 u8 opcode;
4845 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004846 struct bnx2x_queue_sp_obj *q_obj;
4847 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4848 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004849
4850 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4851
4852 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4853 * when we get the the next-page we nned to adjust so the loop
4854 * condition below will be met. The next element is the size of a
4855 * regular element and hence incrementing by 1
4856 */
4857 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4858 hw_cons++;
4859
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004860 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004861 * specific bp, thus there is no need in "paired" read memory
4862 * barrier here.
4863 */
4864 sw_cons = bp->eq_cons;
4865 sw_prod = bp->eq_prod;
4866
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004867 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004868 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004869
4870 for (; sw_cons != hw_cons;
4871 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4872
4873
4874 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4875
4876 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4877 opcode = elem->message.opcode;
4878
4879
4880 /* handle eq element */
4881 switch (opcode) {
4882 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004883 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4884 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004885 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004886 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004887 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004888
4889 case EVENT_RING_OPCODE_CFC_DEL:
4890 /* handle according to cid range */
4891 /*
4892 * we may want to verify here that the bp state is
4893 * HALTING
4894 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004895 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004896 "got delete ramrod for MULTI[%d]\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00004897
4898 if (CNIC_LOADED(bp) &&
4899 !bnx2x_cnic_handle_cfc_del(bp, cid, elem))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004900 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00004901
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004902 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4903
4904 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4905 break;
4906
4907
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004908
4909 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004910
4911 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004912 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004913 if (f_obj->complete_cmd(bp, f_obj,
4914 BNX2X_F_CMD_TX_STOP))
4915 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004916 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4917 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004918
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004919 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004920 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004921 if (f_obj->complete_cmd(bp, f_obj,
4922 BNX2X_F_CMD_TX_START))
4923 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004924 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4925 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00004926
Barak Witkowskia3348722012-04-23 03:04:46 +00004927 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
Merav Sicron55c11942012-11-07 00:45:48 +00004928 echo = elem->message.data.function_update_event.echo;
4929 if (echo == SWITCH_UPDATE) {
4930 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4931 "got FUNC_SWITCH_UPDATE ramrod\n");
4932 if (f_obj->complete_cmd(
4933 bp, f_obj, BNX2X_F_CMD_SWITCH_UPDATE))
4934 break;
Barak Witkowskia3348722012-04-23 03:04:46 +00004935
Merav Sicron55c11942012-11-07 00:45:48 +00004936 } else {
4937 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4938 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4939 f_obj->complete_cmd(bp, f_obj,
4940 BNX2X_F_CMD_AFEX_UPDATE);
Barak Witkowskia3348722012-04-23 03:04:46 +00004941
Merav Sicron55c11942012-11-07 00:45:48 +00004942 /* We will perform the Queues update from
4943 * sp_rtnl task as all Queue SP operations
4944 * should run under rtnl_lock.
4945 */
4946 smp_mb__before_clear_bit();
4947 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4948 &bp->sp_rtnl_state);
4949 smp_mb__after_clear_bit();
4950
4951 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4952 }
4953
Barak Witkowskia3348722012-04-23 03:04:46 +00004954 goto next_spqe;
4955
4956 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4957 f_obj->complete_cmd(bp, f_obj,
4958 BNX2X_F_CMD_AFEX_VIFLISTS);
4959 bnx2x_after_afex_vif_lists(bp, elem);
4960 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004961 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004962 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4963 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004964 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4965 break;
4966
4967 goto next_spqe;
4968
4969 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004970 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4971 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004972 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4973 break;
4974
4975 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004976 }
4977
4978 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004979 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4980 BNX2X_STATE_OPEN):
4981 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004982 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004983 cid = elem->message.data.eth_event.echo &
4984 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004985 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004986 cid);
4987 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004988 break;
4989
4990 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4991 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004992 case (EVENT_RING_OPCODE_SET_MAC |
4993 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004994 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4995 BNX2X_STATE_OPEN):
4996 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4997 BNX2X_STATE_DIAG):
4998 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4999 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005000 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005001 bnx2x_handle_classification_eqe(bp, elem);
5002 break;
5003
5004 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5005 BNX2X_STATE_OPEN):
5006 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5007 BNX2X_STATE_DIAG):
5008 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5009 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005010 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005011 bnx2x_handle_mcast_eqe(bp);
5012 break;
5013
5014 case (EVENT_RING_OPCODE_FILTERS_RULES |
5015 BNX2X_STATE_OPEN):
5016 case (EVENT_RING_OPCODE_FILTERS_RULES |
5017 BNX2X_STATE_DIAG):
5018 case (EVENT_RING_OPCODE_FILTERS_RULES |
5019 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00005020 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005021 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005022 break;
5023 default:
5024 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005025 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
5026 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005027 }
5028next_spqe:
5029 spqe_cnt++;
5030 } /* for */
5031
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00005032 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005033 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005034
5035 bp->eq_cons = sw_cons;
5036 bp->eq_prod = sw_prod;
5037 /* Make sure that above mem writes were issued towards the memory */
5038 smp_wmb();
5039
5040 /* update producer */
5041 bnx2x_update_eq_prod(bp, bp->eq_prod);
5042}
5043
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005044static void bnx2x_sp_task(struct work_struct *work)
5045{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005046 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005047 u16 status;
5048
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005049 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005050/* if (status == 0) */
5051/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005052
Merav Sicron51c1a582012-03-18 10:33:38 +00005053 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005054
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08005055 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005056 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005057 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005058 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005059 }
5060
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005061 /* SP events: STAT_QUERY and others */
5062 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005063 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005064
Merav Sicron55c11942012-11-07 00:45:48 +00005065 if (FCOE_INIT(bp) &&
5066 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005067 /*
5068 * Prevent local bottom-halves from running as
5069 * we are going to change the local NAPI list.
5070 */
5071 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005072 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005073 local_bh_enable();
5074 }
Merav Sicron55c11942012-11-07 00:45:48 +00005075
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005076 /* Handle EQ completions */
5077 bnx2x_eq_int(bp);
5078
5079 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5080 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5081
5082 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005083 }
5084
5085 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005086 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005087 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005088
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005089 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5090 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005091
5092 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5093 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5094 &bp->sp_state)) {
5095 bnx2x_link_report(bp);
5096 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5097 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005098}
5099
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005100irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005101{
5102 struct net_device *dev = dev_instance;
5103 struct bnx2x *bp = netdev_priv(dev);
5104
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005105 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5106 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005107
5108#ifdef BNX2X_STOP_ON_ERROR
5109 if (unlikely(bp->panic))
5110 return IRQ_HANDLED;
5111#endif
5112
Merav Sicron55c11942012-11-07 00:45:48 +00005113 if (CNIC_LOADED(bp)) {
Michael Chan993ac7b2009-10-10 13:46:56 +00005114 struct cnic_ops *c_ops;
5115
5116 rcu_read_lock();
5117 c_ops = rcu_dereference(bp->cnic_ops);
5118 if (c_ops)
5119 c_ops->cnic_handler(bp->cnic_data, NULL);
5120 rcu_read_unlock();
5121 }
Merav Sicron55c11942012-11-07 00:45:48 +00005122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005123 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005124
5125 return IRQ_HANDLED;
5126}
5127
5128/* end of slow path */
5129
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005130
5131void bnx2x_drv_pulse(struct bnx2x *bp)
5132{
5133 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5134 bp->fw_drv_pulse_wr_seq);
5135}
5136
5137
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005138static void bnx2x_timer(unsigned long data)
5139{
5140 struct bnx2x *bp = (struct bnx2x *) data;
5141
5142 if (!netif_running(bp->dev))
5143 return;
5144
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005145 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005146 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005147 u32 drv_pulse;
5148 u32 mcp_pulse;
5149
5150 ++bp->fw_drv_pulse_wr_seq;
5151 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5152 /* TBD - add SYSTEM_TIME */
5153 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005154 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005156 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005157 MCP_PULSE_SEQ_MASK);
5158 /* The delta between driver pulse and mcp response
5159 * should be 1 (before mcp response) or 0 (after mcp response)
5160 */
5161 if ((drv_pulse != mcp_pulse) &&
5162 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5163 /* someone lost a heartbeat... */
5164 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5165 drv_pulse, mcp_pulse);
5166 }
5167 }
5168
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005169 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005170 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005172 mod_timer(&bp->timer, jiffies + bp->current_interval);
5173}
5174
5175/* end of Statistics */
5176
5177/* nic init */
5178
5179/*
5180 * nic init service functions
5181 */
5182
Eric Dumazet1191cb82012-04-27 21:39:21 +00005183static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005185 u32 i;
5186 if (!(len%4) && !(addr%4))
5187 for (i = 0; i < len; i += 4)
5188 REG_WR(bp, addr + i, fill);
5189 else
5190 for (i = 0; i < len; i++)
5191 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005192
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005193}
5194
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005195/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005196static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5197 int fw_sb_id,
5198 u32 *sb_data_p,
5199 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005200{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005201 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005202 for (index = 0; index < data_size; index++)
5203 REG_WR(bp, BAR_CSTRORM_INTMEM +
5204 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5205 sizeof(u32)*index,
5206 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005207}
5208
Eric Dumazet1191cb82012-04-27 21:39:21 +00005209static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005210{
5211 u32 *sb_data_p;
5212 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005213 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005214 struct hc_status_block_data_e1x sb_data_e1x;
5215
5216 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005217 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005218 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005219 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005220 sb_data_e2.common.p_func.vf_valid = false;
5221 sb_data_p = (u32 *)&sb_data_e2;
5222 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5223 } else {
5224 memset(&sb_data_e1x, 0,
5225 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005226 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005227 sb_data_e1x.common.p_func.vf_valid = false;
5228 sb_data_p = (u32 *)&sb_data_e1x;
5229 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5230 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005231 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5232
5233 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5234 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5235 CSTORM_STATUS_BLOCK_SIZE);
5236 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5237 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5238 CSTORM_SYNC_BLOCK_SIZE);
5239}
5240
5241/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005242static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005243 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005244{
5245 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005246 int i;
5247 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5248 REG_WR(bp, BAR_CSTRORM_INTMEM +
5249 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5250 i*sizeof(u32),
5251 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005252}
5253
Eric Dumazet1191cb82012-04-27 21:39:21 +00005254static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005255{
5256 int func = BP_FUNC(bp);
5257 struct hc_sp_status_block_data sp_sb_data;
5258 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5259
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005260 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005261 sp_sb_data.p_func.vf_valid = false;
5262
5263 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5264
5265 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5266 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5267 CSTORM_SP_STATUS_BLOCK_SIZE);
5268 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5269 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5270 CSTORM_SP_SYNC_BLOCK_SIZE);
5271
5272}
5273
5274
Eric Dumazet1191cb82012-04-27 21:39:21 +00005275static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005276 int igu_sb_id, int igu_seg_id)
5277{
5278 hc_sm->igu_sb_id = igu_sb_id;
5279 hc_sm->igu_seg_id = igu_seg_id;
5280 hc_sm->timer_value = 0xFF;
5281 hc_sm->time_to_expire = 0xFFFFFFFF;
5282}
5283
David S. Miller8decf862011-09-22 03:23:13 -04005284
5285/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005286static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005287{
5288 /* zero out state machine indices */
5289 /* rx indices */
5290 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5291
5292 /* tx indices */
5293 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5294 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5295 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5296 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5297
5298 /* map indices */
5299 /* rx indices */
5300 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5301 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5302
5303 /* tx indices */
5304 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5305 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5306 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5307 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5308 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5309 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5310 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5311 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5312}
5313
stephen hemminger8d962862010-10-21 07:50:56 +00005314static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005315 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5316{
5317 int igu_seg_id;
5318
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005319 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005320 struct hc_status_block_data_e1x sb_data_e1x;
5321 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005322 int data_size;
5323 u32 *sb_data_p;
5324
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005325 if (CHIP_INT_MODE_IS_BC(bp))
5326 igu_seg_id = HC_SEG_ACCESS_NORM;
5327 else
5328 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005329
5330 bnx2x_zero_fp_sb(bp, fw_sb_id);
5331
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005332 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005333 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005334 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005335 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5336 sb_data_e2.common.p_func.vf_id = vfid;
5337 sb_data_e2.common.p_func.vf_valid = vf_valid;
5338 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5339 sb_data_e2.common.same_igu_sb_1b = true;
5340 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5341 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5342 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005343 sb_data_p = (u32 *)&sb_data_e2;
5344 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005345 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005346 } else {
5347 memset(&sb_data_e1x, 0,
5348 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005349 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005350 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5351 sb_data_e1x.common.p_func.vf_id = 0xff;
5352 sb_data_e1x.common.p_func.vf_valid = false;
5353 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5354 sb_data_e1x.common.same_igu_sb_1b = true;
5355 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5356 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5357 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005358 sb_data_p = (u32 *)&sb_data_e1x;
5359 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005360 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005361 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005362
5363 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5364 igu_sb_id, igu_seg_id);
5365 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5366 igu_sb_id, igu_seg_id);
5367
Merav Sicron51c1a582012-03-18 10:33:38 +00005368 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005369
5370 /* write indecies to HW */
5371 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5372}
5373
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005374static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005375 u16 tx_usec, u16 rx_usec)
5376{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005377 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005378 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005379 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5380 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5381 tx_usec);
5382 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5383 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5384 tx_usec);
5385 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5386 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5387 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005388}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005389
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005390static void bnx2x_init_def_sb(struct bnx2x *bp)
5391{
5392 struct host_sp_status_block *def_sb = bp->def_status_blk;
5393 dma_addr_t mapping = bp->def_status_blk_mapping;
5394 int igu_sp_sb_index;
5395 int igu_seg_id;
5396 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005397 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005398 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005399 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005400 int index;
5401 struct hc_sp_status_block_data sp_sb_data;
5402 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5403
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005404 if (CHIP_INT_MODE_IS_BC(bp)) {
5405 igu_sp_sb_index = DEF_SB_IGU_ID;
5406 igu_seg_id = HC_SEG_ACCESS_DEF;
5407 } else {
5408 igu_sp_sb_index = bp->igu_dsb_id;
5409 igu_seg_id = IGU_SEG_ACCESS_DEF;
5410 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005411
5412 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005413 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005414 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005415 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005416
Eliezer Tamir49d66772008-02-28 11:53:13 -08005417 bp->attn_state = 0;
5418
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005419 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5420 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005421 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5422 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005423 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005424 int sindex;
5425 /* take care of sig[0]..sig[4] */
5426 for (sindex = 0; sindex < 4; sindex++)
5427 bp->attn_group[index].sig[sindex] =
5428 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005429
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005430 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005431 /*
5432 * enable5 is separate from the rest of the registers,
5433 * and therefore the address skip is 4
5434 * and not 16 between the different groups
5435 */
5436 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005437 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005438 else
5439 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005440 }
5441
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005442 if (bp->common.int_block == INT_BLOCK_HC) {
5443 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5444 HC_REG_ATTN_MSG0_ADDR_L);
5445
5446 REG_WR(bp, reg_offset, U64_LO(section));
5447 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005448 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005449 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5450 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5451 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005452
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005453 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5454 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005455
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005456 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005457
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005458 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005459 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5460 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5461 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5462 sp_sb_data.igu_seg_id = igu_seg_id;
5463 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005464 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005465 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005466
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005467 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005468
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005469 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005470}
5471
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005472void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005473{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005474 int i;
5475
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005476 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005477 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005478 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005479}
5480
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005481static void bnx2x_init_sp_ring(struct bnx2x *bp)
5482{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005483 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005484 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005485
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005486 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005487 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5488 bp->spq_prod_bd = bp->spq;
5489 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005490}
5491
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005492static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005493{
5494 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005495 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5496 union event_ring_elem *elem =
5497 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005498
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005499 elem->next_page.addr.hi =
5500 cpu_to_le32(U64_HI(bp->eq_mapping +
5501 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5502 elem->next_page.addr.lo =
5503 cpu_to_le32(U64_LO(bp->eq_mapping +
5504 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005505 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005506 bp->eq_cons = 0;
5507 bp->eq_prod = NUM_EQ_DESC;
5508 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005509 /* we want a warning message before it gets rought... */
5510 atomic_set(&bp->eq_spq_left,
5511 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005512}
5513
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005514
5515/* called with netif_addr_lock_bh() */
5516void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5517 unsigned long rx_mode_flags,
5518 unsigned long rx_accept_flags,
5519 unsigned long tx_accept_flags,
5520 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005521{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005522 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5523 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005524
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005525 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005526
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005527 /* Prepare ramrod parameters */
5528 ramrod_param.cid = 0;
5529 ramrod_param.cl_id = cl_id;
5530 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5531 ramrod_param.func_id = BP_FUNC(bp);
5532
5533 ramrod_param.pstate = &bp->sp_state;
5534 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5535
5536 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5537 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5538
5539 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5540
5541 ramrod_param.ramrod_flags = ramrod_flags;
5542 ramrod_param.rx_mode_flags = rx_mode_flags;
5543
5544 ramrod_param.rx_accept_flags = rx_accept_flags;
5545 ramrod_param.tx_accept_flags = tx_accept_flags;
5546
5547 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5548 if (rc < 0) {
5549 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5550 return;
5551 }
5552}
5553
5554/* called with netif_addr_lock_bh() */
5555void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5556{
5557 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5558 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5559
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005560 if (!NO_FCOE(bp))
5561
5562 /* Configure rx_mode of FCoE Queue */
5563 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005564
5565 switch (bp->rx_mode) {
5566 case BNX2X_RX_MODE_NONE:
5567 /*
5568 * 'drop all' supersedes any accept flags that may have been
5569 * passed to the function.
5570 */
5571 break;
5572 case BNX2X_RX_MODE_NORMAL:
5573 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5574 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5575 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5576
5577 /* internal switching mode */
5578 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5579 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5580 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5581
5582 break;
5583 case BNX2X_RX_MODE_ALLMULTI:
5584 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5585 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5586 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5587
5588 /* internal switching mode */
5589 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5590 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5591 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5592
5593 break;
5594 case BNX2X_RX_MODE_PROMISC:
5595 /* According to deffinition of SI mode, iface in promisc mode
5596 * should receive matched and unmatched (in resolution of port)
5597 * unicast packets.
5598 */
5599 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5600 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5601 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5602 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5603
5604 /* internal switching mode */
5605 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5606 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5607
5608 if (IS_MF_SI(bp))
5609 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5610 else
5611 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5612
5613 break;
5614 default:
5615 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5616 return;
5617 }
5618
5619 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5620 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5621 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5622 }
5623
5624 __set_bit(RAMROD_RX, &ramrod_flags);
5625 __set_bit(RAMROD_TX, &ramrod_flags);
5626
5627 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5628 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005629}
5630
Eilon Greenstein471de712008-08-13 15:49:35 -07005631static void bnx2x_init_internal_common(struct bnx2x *bp)
5632{
5633 int i;
5634
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005635 if (IS_MF_SI(bp))
5636 /*
5637 * In switch independent mode, the TSTORM needs to accept
5638 * packets that failed classification, since approximate match
5639 * mac addresses aren't written to NIG LLH
5640 */
5641 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5642 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005643 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5644 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5645 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005646
Eilon Greenstein471de712008-08-13 15:49:35 -07005647 /* Zero this manually as its initialization is
5648 currently missing in the initTool */
5649 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5650 REG_WR(bp, BAR_USTRORM_INTMEM +
5651 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005652 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005653 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5654 CHIP_INT_MODE_IS_BC(bp) ?
5655 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5656 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005657}
5658
Eilon Greenstein471de712008-08-13 15:49:35 -07005659static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5660{
5661 switch (load_code) {
5662 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005663 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005664 bnx2x_init_internal_common(bp);
5665 /* no break */
5666
5667 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005668 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005669 /* no break */
5670
5671 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005672 /* internal memory per function is
5673 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005674 break;
5675
5676 default:
5677 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5678 break;
5679 }
5680}
5681
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005682static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5683{
Merav Sicron55c11942012-11-07 00:45:48 +00005684 return fp->bp->igu_base_sb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005685}
5686
5687static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5688{
Merav Sicron55c11942012-11-07 00:45:48 +00005689 return fp->bp->base_fw_ndsb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005690}
5691
Eric Dumazet1191cb82012-04-27 21:39:21 +00005692static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005693{
5694 if (CHIP_IS_E1x(fp->bp))
5695 return BP_L_ID(fp->bp) + fp->index;
5696 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5697 return bnx2x_fp_igu_sb_id(fp);
5698}
5699
Ariel Elior6383c0b2011-07-14 08:31:57 +00005700static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005701{
5702 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005703 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005704 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005705 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005706 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005707 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005708 fp->cl_id = bnx2x_fp_cl_id(fp);
5709 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5710 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005711 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005712 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5713
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005714 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005715 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005716
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005717 /* Setup SB indicies */
5718 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005719
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005720 /* Configure Queue State object */
5721 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5722 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005723
5724 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5725
5726 /* init tx data */
5727 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005728 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5729 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5730 FP_COS_TO_TXQ(fp, cos, bp),
5731 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5732 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005733 }
5734
Ariel Eliorad5afc82013-01-01 05:22:26 +00005735 /* nothing more for vf to do here */
5736 if (IS_VF(bp))
5737 return;
5738
5739 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5740 fp->fw_sb_id, fp->igu_sb_id);
5741 bnx2x_update_fpsb_idx(fp);
Barak Witkowski15192a82012-06-19 07:48:28 +00005742 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5743 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005744 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005745
5746 /**
5747 * Configure classification DBs: Always enable Tx switching
5748 */
5749 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5750
Ariel Eliorad5afc82013-01-01 05:22:26 +00005751 DP(NETIF_MSG_IFUP,
5752 "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
5753 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
5754 fp->igu_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005755}
5756
Eric Dumazet1191cb82012-04-27 21:39:21 +00005757static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5758{
5759 int i;
5760
5761 for (i = 1; i <= NUM_TX_RINGS; i++) {
5762 struct eth_tx_next_bd *tx_next_bd =
5763 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5764
5765 tx_next_bd->addr_hi =
5766 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5767 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5768 tx_next_bd->addr_lo =
5769 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5770 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5771 }
5772
5773 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5774 txdata->tx_db.data.zero_fill1 = 0;
5775 txdata->tx_db.data.prod = 0;
5776
5777 txdata->tx_pkt_prod = 0;
5778 txdata->tx_pkt_cons = 0;
5779 txdata->tx_bd_prod = 0;
5780 txdata->tx_bd_cons = 0;
5781 txdata->tx_pkt = 0;
5782}
5783
Merav Sicron55c11942012-11-07 00:45:48 +00005784static void bnx2x_init_tx_rings_cnic(struct bnx2x *bp)
5785{
5786 int i;
5787
5788 for_each_tx_queue_cnic(bp, i)
5789 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[0]);
5790}
Eric Dumazet1191cb82012-04-27 21:39:21 +00005791static void bnx2x_init_tx_rings(struct bnx2x *bp)
5792{
5793 int i;
5794 u8 cos;
5795
Merav Sicron55c11942012-11-07 00:45:48 +00005796 for_each_eth_queue(bp, i)
Eric Dumazet1191cb82012-04-27 21:39:21 +00005797 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00005798 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00005799}
5800
Merav Sicron55c11942012-11-07 00:45:48 +00005801void bnx2x_nic_init_cnic(struct bnx2x *bp)
5802{
5803 if (!NO_FCOE(bp))
5804 bnx2x_init_fcoe_fp(bp);
5805
5806 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5807 BNX2X_VF_ID_INVALID, false,
5808 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
5809
5810 /* ensure status block indices were read */
5811 rmb();
5812 bnx2x_init_rx_rings_cnic(bp);
5813 bnx2x_init_tx_rings_cnic(bp);
5814
5815 /* flush all */
5816 mb();
5817 mmiowb();
5818}
5819
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005820void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005821{
5822 int i;
5823
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005824 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005825 bnx2x_init_eth_fp(bp, i);
Ariel Eliorad5afc82013-01-01 05:22:26 +00005826
5827 /* ensure status block indices were read */
5828 rmb();
5829 bnx2x_init_rx_rings(bp);
5830 bnx2x_init_tx_rings(bp);
5831
5832 if (IS_VF(bp))
5833 return;
5834
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005835 /* Initialize MOD_ABS interrupts */
5836 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5837 bp->common.shmem_base, bp->common.shmem2_base,
5838 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005839
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005840 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005841 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005842 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005843 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005844 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005845 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005846 bnx2x_stats_init(bp);
5847
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005848 /* flush all before enabling interrupts */
5849 mb();
5850 mmiowb();
5851
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005852 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005853
5854 /* Check for SPIO5 */
5855 bnx2x_attn_int_deasserted0(bp,
5856 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5857 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005858}
5859
5860/* end of nic init */
5861
5862/*
5863 * gzip service functions
5864 */
5865
5866static int bnx2x_gunzip_init(struct bnx2x *bp)
5867{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005868 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5869 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005870 if (bp->gunzip_buf == NULL)
5871 goto gunzip_nomem1;
5872
5873 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5874 if (bp->strm == NULL)
5875 goto gunzip_nomem2;
5876
David S. Miller7ab24bf2011-06-29 05:48:41 -07005877 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005878 if (bp->strm->workspace == NULL)
5879 goto gunzip_nomem3;
5880
5881 return 0;
5882
5883gunzip_nomem3:
5884 kfree(bp->strm);
5885 bp->strm = NULL;
5886
5887gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005888 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5889 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005890 bp->gunzip_buf = NULL;
5891
5892gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005893 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005894 return -ENOMEM;
5895}
5896
5897static void bnx2x_gunzip_end(struct bnx2x *bp)
5898{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005899 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005900 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005901 kfree(bp->strm);
5902 bp->strm = NULL;
5903 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005904
5905 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005906 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5907 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005908 bp->gunzip_buf = NULL;
5909 }
5910}
5911
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005912static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005913{
5914 int n, rc;
5915
5916 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005917 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5918 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005919 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005920 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005921
5922 n = 10;
5923
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005924#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005925
5926 if (zbuf[3] & FNAME)
5927 while ((zbuf[n++] != 0) && (n < len));
5928
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005929 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005930 bp->strm->avail_in = len - n;
5931 bp->strm->next_out = bp->gunzip_buf;
5932 bp->strm->avail_out = FW_BUF_SIZE;
5933
5934 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5935 if (rc != Z_OK)
5936 return rc;
5937
5938 rc = zlib_inflate(bp->strm, Z_FINISH);
5939 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005940 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5941 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005942
5943 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5944 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005945 netdev_err(bp->dev,
5946 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005947 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005948 bp->gunzip_outlen >>= 2;
5949
5950 zlib_inflateEnd(bp->strm);
5951
5952 if (rc == Z_STREAM_END)
5953 return 0;
5954
5955 return rc;
5956}
5957
5958/* nic load/unload */
5959
5960/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005961 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005962 */
5963
5964/* send a NIG loopback debug packet */
5965static void bnx2x_lb_pckt(struct bnx2x *bp)
5966{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005967 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005968
5969 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005970 wb_write[0] = 0x55555555;
5971 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005972 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974
5975 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005976 wb_write[0] = 0x09000000;
5977 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005978 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980}
5981
5982/* some of the internal memories
5983 * are not directly readable from the driver
5984 * to test them we send debug packets
5985 */
5986static int bnx2x_int_mem_test(struct bnx2x *bp)
5987{
5988 int factor;
5989 int count, i;
5990 u32 val = 0;
5991
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005992 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005993 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005994 else if (CHIP_REV_IS_EMUL(bp))
5995 factor = 200;
5996 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005997 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005998
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005999 /* Disable inputs of parser neighbor blocks */
6000 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6001 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6002 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006003 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006004
6005 /* Write 0 to parser credits for CFC search request */
6006 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6007
6008 /* send Ethernet packet */
6009 bnx2x_lb_pckt(bp);
6010
6011 /* TODO do i reset NIG statistic? */
6012 /* Wait until NIG register shows 1 packet of size 0x10 */
6013 count = 1000 * factor;
6014 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006015
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006016 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6017 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006018 if (val == 0x10)
6019 break;
6020
6021 msleep(10);
6022 count--;
6023 }
6024 if (val != 0x10) {
6025 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6026 return -1;
6027 }
6028
6029 /* Wait until PRS register shows 1 packet */
6030 count = 1000 * factor;
6031 while (count) {
6032 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006033 if (val == 1)
6034 break;
6035
6036 msleep(10);
6037 count--;
6038 }
6039 if (val != 0x1) {
6040 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6041 return -2;
6042 }
6043
6044 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006045 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006046 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006047 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006048 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006049 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6050 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006051
6052 DP(NETIF_MSG_HW, "part2\n");
6053
6054 /* Disable inputs of parser neighbor blocks */
6055 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6056 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6057 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006058 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006059
6060 /* Write 0 to parser credits for CFC search request */
6061 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6062
6063 /* send 10 Ethernet packets */
6064 for (i = 0; i < 10; i++)
6065 bnx2x_lb_pckt(bp);
6066
6067 /* Wait until NIG register shows 10 + 1
6068 packets of size 11*0x10 = 0xb0 */
6069 count = 1000 * factor;
6070 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006071
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006072 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6073 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006074 if (val == 0xb0)
6075 break;
6076
6077 msleep(10);
6078 count--;
6079 }
6080 if (val != 0xb0) {
6081 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6082 return -3;
6083 }
6084
6085 /* Wait until PRS register shows 2 packets */
6086 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6087 if (val != 2)
6088 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6089
6090 /* Write 1 to parser credits for CFC search request */
6091 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6092
6093 /* Wait until PRS register shows 3 packets */
6094 msleep(10 * factor);
6095 /* Wait until NIG register shows 1 packet of size 0x10 */
6096 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6097 if (val != 3)
6098 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6099
6100 /* clear NIG EOP FIFO */
6101 for (i = 0; i < 11; i++)
6102 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6103 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6104 if (val != 1) {
6105 BNX2X_ERR("clear of NIG failed\n");
6106 return -4;
6107 }
6108
6109 /* Reset and init BRB, PRS, NIG */
6110 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6111 msleep(50);
6112 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6113 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006114 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6115 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Merav Sicron55c11942012-11-07 00:45:48 +00006116 if (!CNIC_SUPPORT(bp))
6117 /* set NIC mode */
6118 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006119
6120 /* Enable inputs of parser neighbor blocks */
6121 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6122 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6123 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006124 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006125
6126 DP(NETIF_MSG_HW, "done\n");
6127
6128 return 0; /* OK */
6129}
6130
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006131static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006132{
Yuval Mintzb343d002012-12-02 04:05:53 +00006133 u32 val;
6134
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006135 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006136 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006137 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6138 else
6139 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006140 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6141 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006142 /*
6143 * mask read length error interrupts in brb for parser
6144 * (parsing unit and 'checksum and crc' unit)
6145 * these errors are legal (PU reads fixed length and CAC can cause
6146 * read length error on truncated packets)
6147 */
6148 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006149 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6150 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6151 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6152 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6153 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006154/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6155/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006156 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6157 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6158 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006159/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6160/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006161 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6162 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6163 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6164 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006165/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6166/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006167
Yuval Mintzb343d002012-12-02 04:05:53 +00006168 val = PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT |
6169 PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF |
6170 PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN;
6171 if (!CHIP_IS_E1x(bp))
6172 val |= PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED |
6173 PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED;
6174 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, val);
6175
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006176 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6177 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6178 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006179/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006180
6181 if (!CHIP_IS_E1x(bp))
6182 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6183 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6184
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006185 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6186 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006187/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006188 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006189}
6190
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006191static void bnx2x_reset_common(struct bnx2x *bp)
6192{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006193 u32 val = 0x1400;
6194
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006195 /* reset_common */
6196 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6197 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006198
6199 if (CHIP_IS_E3(bp)) {
6200 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6201 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6202 }
6203
6204 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6205}
6206
6207static void bnx2x_setup_dmae(struct bnx2x *bp)
6208{
6209 bp->dmae_ready = 0;
6210 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006211}
6212
Eilon Greenstein573f2032009-08-12 08:24:14 +00006213static void bnx2x_init_pxp(struct bnx2x *bp)
6214{
6215 u16 devctl;
6216 int r_order, w_order;
6217
Jiang Liu2a80eeb2012-08-20 13:26:51 -06006218 pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006219 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6220 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6221 if (bp->mrrs == -1)
6222 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6223 else {
6224 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6225 r_order = bp->mrrs;
6226 }
6227
6228 bnx2x_init_pxp_arb(bp, r_order, w_order);
6229}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006230
6231static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6232{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006233 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006234 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006235 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006236
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006237 if (BP_NOMCP(bp))
6238 return;
6239
6240 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006241 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6242 SHARED_HW_CFG_FAN_FAILURE_MASK;
6243
6244 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6245 is_required = 1;
6246
6247 /*
6248 * The fan failure mechanism is usually related to the PHY type since
6249 * the power consumption of the board is affected by the PHY. Currently,
6250 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6251 */
6252 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6253 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006254 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006255 bnx2x_fan_failure_det_req(
6256 bp,
6257 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006258 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006259 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006260 }
6261
6262 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6263
6264 if (is_required == 0)
6265 return;
6266
6267 /* Fan failure is indicated by SPIO 5 */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006268 bnx2x_set_spio(bp, MISC_SPIO_SPIO5, MISC_SPIO_INPUT_HI_Z);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006269
6270 /* set to active low mode */
6271 val = REG_RD(bp, MISC_REG_SPIO_INT);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006272 val |= (MISC_SPIO_SPIO5 << MISC_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006273 REG_WR(bp, MISC_REG_SPIO_INT, val);
6274
6275 /* enable interrupt to signal the IGU */
6276 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006277 val |= MISC_SPIO_SPIO5;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006278 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6279}
6280
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006281static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6282{
6283 u32 offset = 0;
6284
6285 if (CHIP_IS_E1(bp))
6286 return;
6287 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6288 return;
6289
6290 switch (BP_ABS_FUNC(bp)) {
6291 case 0:
6292 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6293 break;
6294 case 1:
6295 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6296 break;
6297 case 2:
6298 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6299 break;
6300 case 3:
6301 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6302 break;
6303 case 4:
6304 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6305 break;
6306 case 5:
6307 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6308 break;
6309 case 6:
6310 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6311 break;
6312 case 7:
6313 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6314 break;
6315 default:
6316 return;
6317 }
6318
6319 REG_WR(bp, offset, pretend_func_num);
6320 REG_RD(bp, offset);
6321 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6322}
6323
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006324void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006325{
6326 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6327 val &= ~IGU_PF_CONF_FUNC_EN;
6328
6329 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6330 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6331 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6332}
6333
Eric Dumazet1191cb82012-04-27 21:39:21 +00006334static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006335{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006336 u32 shmem_base[2], shmem2_base[2];
Yaniv Rosnerb884d952012-11-27 03:46:28 +00006337 /* Avoid common init in case MFW supports LFA */
6338 if (SHMEM2_RD(bp, size) >
6339 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
6340 return;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006341 shmem_base[0] = bp->common.shmem_base;
6342 shmem2_base[0] = bp->common.shmem2_base;
6343 if (!CHIP_IS_E1x(bp)) {
6344 shmem_base[1] =
6345 SHMEM2_RD(bp, other_shmem_base_addr);
6346 shmem2_base[1] =
6347 SHMEM2_RD(bp, other_shmem2_base_addr);
6348 }
6349 bnx2x_acquire_phy_lock(bp);
6350 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6351 bp->common.chip_id);
6352 bnx2x_release_phy_lock(bp);
6353}
6354
6355/**
6356 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6357 *
6358 * @bp: driver handle
6359 */
6360static int bnx2x_init_hw_common(struct bnx2x *bp)
6361{
6362 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006363
Merav Sicron51c1a582012-03-18 10:33:38 +00006364 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006365
David S. Miller823dcd22011-08-20 10:39:12 -07006366 /*
6367 * take the UNDI lock to protect undi_unload flow from accessing
6368 * registers while we're resetting the chip
6369 */
David S. Miller8decf862011-09-22 03:23:13 -04006370 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006371
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006372 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006373 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006374
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006375 val = 0xfffc;
6376 if (CHIP_IS_E3(bp)) {
6377 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6378 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6379 }
6380 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006381
David S. Miller8decf862011-09-22 03:23:13 -04006382 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006383
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006384 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6385
6386 if (!CHIP_IS_E1x(bp)) {
6387 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006388
6389 /**
6390 * 4-port mode or 2-port mode we need to turn of master-enable
6391 * for everyone, after that, turn it back on for self.
6392 * so, we disregard multi-function or not, and always disable
6393 * for all functions on the given path, this means 0,2,4,6 for
6394 * path 0 and 1,3,5,7 for path 1
6395 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006396 for (abs_func_id = BP_PATH(bp);
6397 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6398 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006399 REG_WR(bp,
6400 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6401 1);
6402 continue;
6403 }
6404
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006405 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006406 /* clear pf enable */
6407 bnx2x_pf_disable(bp);
6408 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6409 }
6410 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006411
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006412 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006413 if (CHIP_IS_E1(bp)) {
6414 /* enable HW interrupt from PXP on USDM overflow
6415 bit 16 on INT_MASK_0 */
6416 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006417 }
6418
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006419 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006420 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006421
6422#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006423 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6424 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6425 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6426 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6427 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006428 /* make sure this value is 0 */
6429 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006430
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006431/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6432 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6433 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6434 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6435 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006436#endif
6437
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006438 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6439
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006440 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6441 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006442
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006443 /* let the HW do it's magic ... */
6444 msleep(100);
6445 /* finish PXP init */
6446 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6447 if (val != 1) {
6448 BNX2X_ERR("PXP2 CFG failed\n");
6449 return -EBUSY;
6450 }
6451 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6452 if (val != 1) {
6453 BNX2X_ERR("PXP2 RD_INIT failed\n");
6454 return -EBUSY;
6455 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006456
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006457 /* Timers bug workaround E2 only. We need to set the entire ILT to
6458 * have entries with value "0" and valid bit on.
6459 * This needs to be done by the first PF that is loaded in a path
6460 * (i.e. common phase)
6461 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006462 if (!CHIP_IS_E1x(bp)) {
6463/* In E2 there is a bug in the timers block that can cause function 6 / 7
6464 * (i.e. vnic3) to start even if it is marked as "scan-off".
6465 * This occurs when a different function (func2,3) is being marked
6466 * as "scan-off". Real-life scenario for example: if a driver is being
6467 * load-unloaded while func6,7 are down. This will cause the timer to access
6468 * the ilt, translate to a logical address and send a request to read/write.
6469 * Since the ilt for the function that is down is not valid, this will cause
6470 * a translation error which is unrecoverable.
6471 * The Workaround is intended to make sure that when this happens nothing fatal
6472 * will occur. The workaround:
6473 * 1. First PF driver which loads on a path will:
6474 * a. After taking the chip out of reset, by using pretend,
6475 * it will write "0" to the following registers of
6476 * the other vnics.
6477 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6478 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6479 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6480 * And for itself it will write '1' to
6481 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6482 * dmae-operations (writing to pram for example.)
6483 * note: can be done for only function 6,7 but cleaner this
6484 * way.
6485 * b. Write zero+valid to the entire ILT.
6486 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6487 * VNIC3 (of that port). The range allocated will be the
6488 * entire ILT. This is needed to prevent ILT range error.
6489 * 2. Any PF driver load flow:
6490 * a. ILT update with the physical addresses of the allocated
6491 * logical pages.
6492 * b. Wait 20msec. - note that this timeout is needed to make
6493 * sure there are no requests in one of the PXP internal
6494 * queues with "old" ILT addresses.
6495 * c. PF enable in the PGLC.
6496 * d. Clear the was_error of the PF in the PGLC. (could have
6497 * occured while driver was down)
6498 * e. PF enable in the CFC (WEAK + STRONG)
6499 * f. Timers scan enable
6500 * 3. PF driver unload flow:
6501 * a. Clear the Timers scan_en.
6502 * b. Polling for scan_on=0 for that PF.
6503 * c. Clear the PF enable bit in the PXP.
6504 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6505 * e. Write zero+valid to all ILT entries (The valid bit must
6506 * stay set)
6507 * f. If this is VNIC 3 of a port then also init
6508 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6509 * to the last enrty in the ILT.
6510 *
6511 * Notes:
6512 * Currently the PF error in the PGLC is non recoverable.
6513 * In the future the there will be a recovery routine for this error.
6514 * Currently attention is masked.
6515 * Having an MCP lock on the load/unload process does not guarantee that
6516 * there is no Timer disable during Func6/7 enable. This is because the
6517 * Timers scan is currently being cleared by the MCP on FLR.
6518 * Step 2.d can be done only for PF6/7 and the driver can also check if
6519 * there is error before clearing it. But the flow above is simpler and
6520 * more general.
6521 * All ILT entries are written by zero+valid and not just PF6/7
6522 * ILT entries since in the future the ILT entries allocation for
6523 * PF-s might be dynamic.
6524 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006525 struct ilt_client_info ilt_cli;
6526 struct bnx2x_ilt ilt;
6527 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6528 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6529
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006530 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006531 ilt_cli.start = 0;
6532 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6533 ilt_cli.client_num = ILT_CLIENT_TM;
6534
6535 /* Step 1: set zeroes to all ilt page entries with valid bit on
6536 * Step 2: set the timers first/last ilt entry to point
6537 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006538 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006539 *
6540 * both steps performed by call to bnx2x_ilt_client_init_op()
6541 * with dummy TM client
6542 *
6543 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6544 * and his brother are split registers
6545 */
6546 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6547 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6548 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6549
6550 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6551 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6552 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6553 }
6554
6555
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006556 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6557 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006558
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006559 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006560 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6561 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006562 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006563
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006564 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006565
6566 /* let the HW do it's magic ... */
6567 do {
6568 msleep(200);
6569 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6570 } while (factor-- && (val != 1));
6571
6572 if (val != 1) {
6573 BNX2X_ERR("ATC_INIT failed\n");
6574 return -EBUSY;
6575 }
6576 }
6577
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006578 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006579
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006580 /* clean the DMAE memory */
6581 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006582 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006583
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006584 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6585
6586 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6587
6588 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6589
6590 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006591
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006592 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6593 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6594 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6595 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6596
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006597 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006598
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006599
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006600 /* QM queues pointers table */
6601 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006602
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006603 /* soft reset pulse */
6604 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6605 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006606
Merav Sicron55c11942012-11-07 00:45:48 +00006607 if (CNIC_SUPPORT(bp))
6608 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006609
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006610 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006611 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006612 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006613 /* enable hw interrupt from doorbell Q */
6614 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006615
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006616 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006617
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006618 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006619 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006620
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006621 if (!CHIP_IS_E1(bp))
6622 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6623
Barak Witkowskia3348722012-04-23 03:04:46 +00006624 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6625 if (IS_MF_AFEX(bp)) {
6626 /* configure that VNTag and VLAN headers must be
6627 * received in afex mode
6628 */
6629 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6630 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6631 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6632 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6633 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6634 } else {
6635 /* Bit-map indicating which L2 hdrs may appear
6636 * after the basic Ethernet header
6637 */
6638 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6639 bp->path_has_ovlan ? 7 : 6);
6640 }
6641 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006642
6643 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6644 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6645 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6646 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6647
6648 if (!CHIP_IS_E1x(bp)) {
6649 /* reset VFC memories */
6650 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6651 VFC_MEMORIES_RST_REG_CAM_RST |
6652 VFC_MEMORIES_RST_REG_RAM_RST);
6653 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6654 VFC_MEMORIES_RST_REG_CAM_RST |
6655 VFC_MEMORIES_RST_REG_RAM_RST);
6656
6657 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006658 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006659
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006660 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6661 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6662 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6663 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006664
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006665 /* sync semi rtc */
6666 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6667 0x80000000);
6668 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6669 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006670
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006671 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6672 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6673 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006674
Barak Witkowskia3348722012-04-23 03:04:46 +00006675 if (!CHIP_IS_E1x(bp)) {
6676 if (IS_MF_AFEX(bp)) {
6677 /* configure that VNTag and VLAN headers must be
6678 * sent in afex mode
6679 */
6680 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6681 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6682 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6683 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6684 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6685 } else {
6686 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6687 bp->path_has_ovlan ? 7 : 6);
6688 }
6689 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006690
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006691 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006692
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006693 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6694
Merav Sicron55c11942012-11-07 00:45:48 +00006695 if (CNIC_SUPPORT(bp)) {
6696 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6697 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6698 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6699 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6700 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6701 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6702 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6703 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6704 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6705 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6706 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006707 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006708
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006709 if (sizeof(union cdu_context) != 1024)
6710 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006711 dev_alert(&bp->pdev->dev,
6712 "please adjust the size of cdu_context(%ld)\n",
6713 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006714
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006715 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006716 val = (4 << 24) + (0 << 12) + 1024;
6717 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006718
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006719 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006720 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006721 /* enable context validation interrupt from CFC */
6722 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6723
6724 /* set the thresholds to prevent CFC/CDU race */
6725 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006726
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006727 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006728
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006729 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006730 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6731
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006732 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6733 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006734
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006735 /* Reset PCIE errors for debug */
6736 REG_WR(bp, 0x2814, 0xffffffff);
6737 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006738
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006739 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006740 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6741 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6742 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6743 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6744 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6745 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6746 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6747 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6748 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6749 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6750 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6751 }
6752
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006753 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006754 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006755 /* in E3 this done in per-port section */
6756 if (!CHIP_IS_E3(bp))
6757 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6758 }
6759 if (CHIP_IS_E1H(bp))
6760 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006761 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006762
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006763 if (CHIP_REV_IS_SLOW(bp))
6764 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006765
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006766 /* finish CFC init */
6767 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6768 if (val != 1) {
6769 BNX2X_ERR("CFC LL_INIT failed\n");
6770 return -EBUSY;
6771 }
6772 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6773 if (val != 1) {
6774 BNX2X_ERR("CFC AC_INIT failed\n");
6775 return -EBUSY;
6776 }
6777 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6778 if (val != 1) {
6779 BNX2X_ERR("CFC CAM_INIT failed\n");
6780 return -EBUSY;
6781 }
6782 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006783
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006784 if (CHIP_IS_E1(bp)) {
6785 /* read NIG statistic
6786 to see if this is our first up since powerup */
6787 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6788 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006789
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006790 /* do internal memory self test */
6791 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6792 BNX2X_ERR("internal mem self test failed\n");
6793 return -EBUSY;
6794 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006795 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006796
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006797 bnx2x_setup_fan_failure_detection(bp);
6798
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006799 /* clear PXP2 attentions */
6800 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006801
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006802 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006803 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006804
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006805 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006806 if (CHIP_IS_E1x(bp))
6807 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006808 } else
6809 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6810
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006811 return 0;
6812}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006813
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006814/**
6815 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6816 *
6817 * @bp: driver handle
6818 */
6819static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6820{
6821 int rc = bnx2x_init_hw_common(bp);
6822
6823 if (rc)
6824 return rc;
6825
6826 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6827 if (!BP_NOMCP(bp))
6828 bnx2x__common_init_phy(bp);
6829
6830 return 0;
6831}
6832
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006833static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006834{
6835 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006836 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006837 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006838 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006839
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006840
Merav Sicron51c1a582012-03-18 10:33:38 +00006841 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006842
6843 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006844
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006845 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6846 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6847 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006848
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006849 /* Timers bug workaround: disables the pf_master bit in pglue at
6850 * common phase, we need to enable it here before any dmae access are
6851 * attempted. Therefore we manually added the enable-master to the
6852 * port phase (it also happens in the function phase)
6853 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006854 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006855 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6856
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006857 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6858 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6859 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6860 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6861
6862 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6863 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6864 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6865 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006866
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006867 /* QM cid (connection) count */
6868 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006869
Merav Sicron55c11942012-11-07 00:45:48 +00006870 if (CNIC_SUPPORT(bp)) {
6871 bnx2x_init_block(bp, BLOCK_TM, init_phase);
6872 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6873 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
6874 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006875
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006876 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006877
Dmitry Kravkov2b674042012-10-28 21:59:04 +00006878 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6879
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006880 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006881
6882 if (IS_MF(bp))
6883 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6884 else if (bp->dev->mtu > 4096) {
6885 if (bp->flags & ONE_PORT_FLAG)
6886 low = 160;
6887 else {
6888 val = bp->dev->mtu;
6889 /* (24*1024 + val*4)/256 */
6890 low = 96 + (val/64) +
6891 ((val % 64) ? 1 : 0);
6892 }
6893 } else
6894 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6895 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006896 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6897 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6898 }
6899
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006900 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006901 REG_WR(bp, (BP_PORT(bp) ?
6902 BRB1_REG_MAC_GUARANTIED_1 :
6903 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006904
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006905
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006906 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006907 if (CHIP_IS_E3B0(bp)) {
6908 if (IS_MF_AFEX(bp)) {
6909 /* configure headers for AFEX mode */
6910 REG_WR(bp, BP_PORT(bp) ?
6911 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6912 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6913 REG_WR(bp, BP_PORT(bp) ?
6914 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6915 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6916 REG_WR(bp, BP_PORT(bp) ?
6917 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6918 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6919 } else {
6920 /* Ovlan exists only if we are in multi-function +
6921 * switch-dependent mode, in switch-independent there
6922 * is no ovlan headers
6923 */
6924 REG_WR(bp, BP_PORT(bp) ?
6925 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6926 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6927 (bp->path_has_ovlan ? 7 : 6));
6928 }
6929 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006930
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006931 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6932 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6933 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6934 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6935
6936 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6937 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6938 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6939 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6940
6941 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6942 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6943
6944 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6945
6946 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006947 /* configure PBF to work without PAUSE mtu 9000 */
6948 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006949
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006950 /* update threshold */
6951 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6952 /* update init credit */
6953 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006954
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006955 /* probe changes */
6956 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6957 udelay(50);
6958 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6959 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006960
Merav Sicron55c11942012-11-07 00:45:48 +00006961 if (CNIC_SUPPORT(bp))
6962 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
6963
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006964 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6965 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006966
6967 if (CHIP_IS_E1(bp)) {
6968 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6969 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6970 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006971 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006972
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006973 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006974
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006975 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006976 /* init aeu_mask_attn_func_0/1:
6977 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6978 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6979 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006980 val = IS_MF(bp) ? 0xF7 : 0x7;
6981 /* Enable DCBX attention for all but E1 */
6982 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6983 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006984
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006985 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006986
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006987 if (!CHIP_IS_E1x(bp)) {
6988 /* Bit-map indicating which L2 hdrs may appear after the
6989 * basic Ethernet header
6990 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006991 if (IS_MF_AFEX(bp))
6992 REG_WR(bp, BP_PORT(bp) ?
6993 NIG_REG_P1_HDRS_AFTER_BASIC :
6994 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6995 else
6996 REG_WR(bp, BP_PORT(bp) ?
6997 NIG_REG_P1_HDRS_AFTER_BASIC :
6998 NIG_REG_P0_HDRS_AFTER_BASIC,
6999 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007000
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007001 if (CHIP_IS_E3(bp))
7002 REG_WR(bp, BP_PORT(bp) ?
7003 NIG_REG_LLH1_MF_MODE :
7004 NIG_REG_LLH_MF_MODE, IS_MF(bp));
7005 }
7006 if (!CHIP_IS_E3(bp))
7007 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007008
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007009 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007010 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007011 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007012 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007013
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007014 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007015 val = 0;
7016 switch (bp->mf_mode) {
7017 case MULTI_FUNCTION_SD:
7018 val = 1;
7019 break;
7020 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00007021 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007022 val = 2;
7023 break;
7024 }
7025
7026 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
7027 NIG_REG_LLH0_CLS_TYPE), val);
7028 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00007029 {
7030 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
7031 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
7032 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
7033 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007034 }
7035
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007036
7037 /* If SPIO5 is set to generate interrupts, enable it for this port */
7038 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00007039 if (val & MISC_SPIO_SPIO5) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007040 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
7041 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
7042 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007043 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007044 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007045 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007046
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007047 return 0;
7048}
7049
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007050static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
7051{
7052 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00007053 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007054
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007055 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007056 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007057 else
7058 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007059
Yuval Mintz32d68de2012-04-03 18:41:24 +00007060 wb_write[0] = ONCHIP_ADDR1(addr);
7061 wb_write[1] = ONCHIP_ADDR2(addr);
7062 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007063}
7064
Eric Dumazet1191cb82012-04-27 21:39:21 +00007065static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
7066 u8 idu_sb_id, bool is_Pf)
7067{
7068 u32 data, ctl, cnt = 100;
7069 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
7070 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
7071 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7072 u32 sb_bit = 1 << (idu_sb_id%32);
7073 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
7074 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7075
7076 /* Not supported in BC mode */
7077 if (CHIP_INT_MODE_IS_BC(bp))
7078 return;
7079
7080 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7081 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7082 IGU_REGULAR_CLEANUP_SET |
7083 IGU_REGULAR_BCLEANUP;
7084
7085 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7086 func_encode << IGU_CTRL_REG_FID_SHIFT |
7087 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7088
7089 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7090 data, igu_addr_data);
7091 REG_WR(bp, igu_addr_data, data);
7092 mmiowb();
7093 barrier();
7094 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7095 ctl, igu_addr_ctl);
7096 REG_WR(bp, igu_addr_ctl, ctl);
7097 mmiowb();
7098 barrier();
7099
7100 /* wait for clean up to finish */
7101 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7102 msleep(20);
7103
7104
7105 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7106 DP(NETIF_MSG_HW,
7107 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7108 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7109 }
7110}
7111
7112static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007113{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007114 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007115}
7116
Eric Dumazet1191cb82012-04-27 21:39:21 +00007117static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007118{
7119 u32 i, base = FUNC_ILT_BASE(func);
7120 for (i = base; i < base + ILT_PER_FUNC; i++)
7121 bnx2x_ilt_wr(bp, i, 0);
7122}
7123
Merav Sicron55c11942012-11-07 00:45:48 +00007124
Merav Sicron910cc722012-11-11 03:56:08 +00007125static void bnx2x_init_searcher(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007126{
7127 int port = BP_PORT(bp);
7128 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
7129 /* T1 hash bits value determines the T1 number of entries */
7130 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
7131}
7132
7133static inline int bnx2x_func_switch_update(struct bnx2x *bp, int suspend)
7134{
7135 int rc;
7136 struct bnx2x_func_state_params func_params = {NULL};
7137 struct bnx2x_func_switch_update_params *switch_update_params =
7138 &func_params.params.switch_update;
7139
7140 /* Prepare parameters for function state transitions */
7141 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7142 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
7143
7144 func_params.f_obj = &bp->func_obj;
7145 func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
7146
7147 /* Function parameters */
7148 switch_update_params->suspend = suspend;
7149
7150 rc = bnx2x_func_state_change(bp, &func_params);
7151
7152 return rc;
7153}
7154
Merav Sicron910cc722012-11-11 03:56:08 +00007155static int bnx2x_reset_nic_mode(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007156{
7157 int rc, i, port = BP_PORT(bp);
7158 int vlan_en = 0, mac_en[NUM_MACS];
7159
7160
7161 /* Close input from network */
7162 if (bp->mf_mode == SINGLE_FUNCTION) {
7163 bnx2x_set_rx_filter(&bp->link_params, 0);
7164 } else {
7165 vlan_en = REG_RD(bp, port ? NIG_REG_LLH1_FUNC_EN :
7166 NIG_REG_LLH0_FUNC_EN);
7167 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7168 NIG_REG_LLH0_FUNC_EN, 0);
7169 for (i = 0; i < NUM_MACS; i++) {
7170 mac_en[i] = REG_RD(bp, port ?
7171 (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7172 4 * i) :
7173 (NIG_REG_LLH0_FUNC_MEM_ENABLE +
7174 4 * i));
7175 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7176 4 * i) :
7177 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i), 0);
7178 }
7179 }
7180
7181 /* Close BMC to host */
7182 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7183 NIG_REG_P1_TX_MNG_HOST_ENABLE, 0);
7184
7185 /* Suspend Tx switching to the PF. Completion of this ramrod
7186 * further guarantees that all the packets of that PF / child
7187 * VFs in BRB were processed by the Parser, so it is safe to
7188 * change the NIC_MODE register.
7189 */
7190 rc = bnx2x_func_switch_update(bp, 1);
7191 if (rc) {
7192 BNX2X_ERR("Can't suspend tx-switching!\n");
7193 return rc;
7194 }
7195
7196 /* Change NIC_MODE register */
7197 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7198
7199 /* Open input from network */
7200 if (bp->mf_mode == SINGLE_FUNCTION) {
7201 bnx2x_set_rx_filter(&bp->link_params, 1);
7202 } else {
7203 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7204 NIG_REG_LLH0_FUNC_EN, vlan_en);
7205 for (i = 0; i < NUM_MACS; i++) {
7206 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7207 4 * i) :
7208 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i),
7209 mac_en[i]);
7210 }
7211 }
7212
7213 /* Enable BMC to host */
7214 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7215 NIG_REG_P1_TX_MNG_HOST_ENABLE, 1);
7216
7217 /* Resume Tx switching to the PF */
7218 rc = bnx2x_func_switch_update(bp, 0);
7219 if (rc) {
7220 BNX2X_ERR("Can't resume tx-switching!\n");
7221 return rc;
7222 }
7223
7224 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7225 return 0;
7226}
7227
7228int bnx2x_init_hw_func_cnic(struct bnx2x *bp)
7229{
7230 int rc;
7231
7232 bnx2x_ilt_init_op_cnic(bp, INITOP_SET);
7233
7234 if (CONFIGURE_NIC_MODE(bp)) {
7235 /* Configrue searcher as part of function hw init */
7236 bnx2x_init_searcher(bp);
7237
7238 /* Reset NIC mode */
7239 rc = bnx2x_reset_nic_mode(bp);
7240 if (rc)
7241 BNX2X_ERR("Can't change NIC mode!\n");
7242 return rc;
7243 }
7244
7245 return 0;
7246}
7247
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007248static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007249{
7250 int port = BP_PORT(bp);
7251 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007252 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007253 struct bnx2x_ilt *ilt = BP_ILT(bp);
7254 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007255 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007256 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007257 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007258
Merav Sicron51c1a582012-03-18 10:33:38 +00007259 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007260
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007261 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007262 if (!CHIP_IS_E1x(bp)) {
7263 rc = bnx2x_pf_flr_clnup(bp);
7264 if (rc)
7265 return rc;
7266 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007267
Eilon Greenstein8badd272009-02-12 08:36:15 +00007268 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007269 if (bp->common.int_block == INT_BLOCK_HC) {
7270 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7271 val = REG_RD(bp, addr);
7272 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7273 REG_WR(bp, addr, val);
7274 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007275
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007276 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7277 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7278
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007279 ilt = BP_ILT(bp);
7280 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007281
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007282 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007283 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007284 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007285 bp->context[i].cxt_mapping;
7286 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007287 }
7288 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007289
Merav Sicron55c11942012-11-07 00:45:48 +00007290 if (!CONFIGURE_NIC_MODE(bp)) {
7291 bnx2x_init_searcher(bp);
7292 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7293 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7294 } else {
7295 /* Set NIC mode */
7296 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7297 DP(NETIF_MSG_IFUP, "NIC MODE configrued\n");
Michael Chan37b091b2009-10-10 13:46:55 +00007298
Merav Sicron55c11942012-11-07 00:45:48 +00007299 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007300
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007301 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007302 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7303
7304 /* Turn on a single ISR mode in IGU if driver is going to use
7305 * INT#x or MSI
7306 */
7307 if (!(bp->flags & USING_MSIX_FLAG))
7308 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7309 /*
7310 * Timers workaround bug: function init part.
7311 * Need to wait 20msec after initializing ILT,
7312 * needed to make sure there are no requests in
7313 * one of the PXP internal queues with "old" ILT addresses
7314 */
7315 msleep(20);
7316 /*
7317 * Master enable - Due to WB DMAE writes performed before this
7318 * register is re-initialized as part of the regular function
7319 * init
7320 */
7321 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7322 /* Enable the function in IGU */
7323 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7324 }
7325
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007326 bp->dmae_ready = 1;
7327
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007328 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007329
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007330 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007331 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7332
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007333 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7334 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7335 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7336 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7337 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7338 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7339 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7340 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7341 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7342 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7343 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7344 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7345 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007346
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007347 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007348 REG_WR(bp, QM_REG_PF_EN, 1);
7349
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007350 if (!CHIP_IS_E1x(bp)) {
7351 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7352 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7353 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7354 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7355 }
7356 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007357
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007358 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7359 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7360 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7361 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7362 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7363 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7364 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7365 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7366 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7367 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7368 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7369 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007370 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7371
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007372 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007373
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007374 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007375
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007376 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007377 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7378
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007379 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007380 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007381 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007382 }
7383
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007384 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007385
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007386 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007387 if (bp->common.int_block == INT_BLOCK_HC) {
7388 if (CHIP_IS_E1H(bp)) {
7389 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7390
7391 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7392 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7393 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007394 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007395
7396 } else {
7397 int num_segs, sb_idx, prod_offset;
7398
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007399 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7400
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007401 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007402 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7403 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7404 }
7405
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007406 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007407
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007408 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007409 int dsb_idx = 0;
7410 /**
7411 * Producer memory:
7412 * E2 mode: address 0-135 match to the mapping memory;
7413 * 136 - PF0 default prod; 137 - PF1 default prod;
7414 * 138 - PF2 default prod; 139 - PF3 default prod;
7415 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7416 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7417 * 144-147 reserved.
7418 *
7419 * E1.5 mode - In backward compatible mode;
7420 * for non default SB; each even line in the memory
7421 * holds the U producer and each odd line hold
7422 * the C producer. The first 128 producers are for
7423 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7424 * producers are for the DSB for each PF.
7425 * Each PF has five segments: (the order inside each
7426 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7427 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7428 * 144-147 attn prods;
7429 */
7430 /* non-default-status-blocks */
7431 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7432 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7433 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7434 prod_offset = (bp->igu_base_sb + sb_idx) *
7435 num_segs;
7436
7437 for (i = 0; i < num_segs; i++) {
7438 addr = IGU_REG_PROD_CONS_MEMORY +
7439 (prod_offset + i) * 4;
7440 REG_WR(bp, addr, 0);
7441 }
7442 /* send consumer update with value 0 */
7443 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7444 USTORM_ID, 0, IGU_INT_NOP, 1);
7445 bnx2x_igu_clear_sb(bp,
7446 bp->igu_base_sb + sb_idx);
7447 }
7448
7449 /* default-status-blocks */
7450 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7451 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7452
7453 if (CHIP_MODE_IS_4_PORT(bp))
7454 dsb_idx = BP_FUNC(bp);
7455 else
David S. Miller8decf862011-09-22 03:23:13 -04007456 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007457
7458 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7459 IGU_BC_BASE_DSB_PROD + dsb_idx :
7460 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7461
David S. Miller8decf862011-09-22 03:23:13 -04007462 /*
7463 * igu prods come in chunks of E1HVN_MAX (4) -
7464 * does not matters what is the current chip mode
7465 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007466 for (i = 0; i < (num_segs * E1HVN_MAX);
7467 i += E1HVN_MAX) {
7468 addr = IGU_REG_PROD_CONS_MEMORY +
7469 (prod_offset + i)*4;
7470 REG_WR(bp, addr, 0);
7471 }
7472 /* send consumer update with 0 */
7473 if (CHIP_INT_MODE_IS_BC(bp)) {
7474 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7475 USTORM_ID, 0, IGU_INT_NOP, 1);
7476 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7477 CSTORM_ID, 0, IGU_INT_NOP, 1);
7478 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7479 XSTORM_ID, 0, IGU_INT_NOP, 1);
7480 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7481 TSTORM_ID, 0, IGU_INT_NOP, 1);
7482 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7483 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7484 } else {
7485 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7486 USTORM_ID, 0, IGU_INT_NOP, 1);
7487 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7488 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7489 }
7490 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7491
7492 /* !!! these should become driver const once
7493 rf-tool supports split-68 const */
7494 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7495 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7496 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7497 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7498 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7499 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7500 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007501 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007502
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007503 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007504 REG_WR(bp, 0x2114, 0xffffffff);
7505 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007506
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007507 if (CHIP_IS_E1x(bp)) {
7508 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7509 main_mem_base = HC_REG_MAIN_MEMORY +
7510 BP_PORT(bp) * (main_mem_size * 4);
7511 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7512 main_mem_width = 8;
7513
7514 val = REG_RD(bp, main_mem_prty_clr);
7515 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007516 DP(NETIF_MSG_HW,
7517 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7518 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007519
7520 /* Clear "false" parity errors in MSI-X table */
7521 for (i = main_mem_base;
7522 i < main_mem_base + main_mem_size * 4;
7523 i += main_mem_width) {
7524 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7525 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7526 i, main_mem_width / 4);
7527 }
7528 /* Clear HC parity attention */
7529 REG_RD(bp, main_mem_prty_clr);
7530 }
7531
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007532#ifdef BNX2X_STOP_ON_ERROR
7533 /* Enable STORMs SP logging */
7534 REG_WR8(bp, BAR_USTRORM_INTMEM +
7535 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7536 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7537 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7538 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7539 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7540 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7541 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7542#endif
7543
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007544 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007545
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007546 return 0;
7547}
7548
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007549
Merav Sicron55c11942012-11-07 00:45:48 +00007550void bnx2x_free_mem_cnic(struct bnx2x *bp)
7551{
7552 bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_FREE);
7553
7554 if (!CHIP_IS_E1x(bp))
7555 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7556 sizeof(struct host_hc_status_block_e2));
7557 else
7558 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7559 sizeof(struct host_hc_status_block_e1x));
7560
7561 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
7562}
7563
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007564void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007565{
Merav Sicrona0529972012-06-19 07:48:25 +00007566 int i;
7567
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007568 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007569 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007570 /* end of fastpath */
7571
7572 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007573 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007574
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007575 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7576 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7577
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007578 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007579 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007580
Merav Sicrona0529972012-06-19 07:48:25 +00007581 for (i = 0; i < L2_ILT_LINES(bp); i++)
7582 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7583 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007584 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7585
7586 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007587
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007588 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007589
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007590 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7591 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007592}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007593
Eric Dumazet1191cb82012-04-27 21:39:21 +00007594static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007595{
7596 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007597 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007598
Barak Witkowski50f0a562011-12-05 21:52:23 +00007599 /* number of queues for statistics is number of eth queues + FCoE */
7600 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007601
7602 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007603 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7604 * num of queues
7605 */
7606 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007607
7608
7609 /* Request is built from stats_query_header and an array of
7610 * stats_query_cmd_group each of which contains
7611 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7612 * configured in the stats_query_header.
7613 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007614 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7615 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007616
7617 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7618 num_groups * sizeof(struct stats_query_cmd_group);
7619
7620 /* Data for statistics requests + stats_conter
7621 *
7622 * stats_counter holds per-STORM counters that are incremented
7623 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007624 *
7625 * memory for FCoE offloaded statistics are counted anyway,
7626 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007627 */
7628 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7629 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007630 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007631 sizeof(struct per_queue_stats) * num_queue_stats +
7632 sizeof(struct stats_counter);
7633
7634 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7635 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7636
7637 /* Set shortcuts */
7638 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7639 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7640
7641 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7642 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7643
7644 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7645 bp->fw_stats_req_sz;
7646 return 0;
7647
7648alloc_mem_err:
7649 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7650 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007651 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007652 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007653}
7654
Merav Sicron55c11942012-11-07 00:45:48 +00007655int bnx2x_alloc_mem_cnic(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007656{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007657 if (!CHIP_IS_E1x(bp))
7658 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007659 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7660 sizeof(struct host_hc_status_block_e2));
7661 else
Merav Sicron55c11942012-11-07 00:45:48 +00007662 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb,
7663 &bp->cnic_sb_mapping,
7664 sizeof(struct
7665 host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007666
Merav Sicron55c11942012-11-07 00:45:48 +00007667 if (CONFIGURE_NIC_MODE(bp))
7668 /* allocate searcher T2 table, as it wan't allocated before */
7669 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007670
Merav Sicron55c11942012-11-07 00:45:48 +00007671 /* write address to which L5 should insert its values */
7672 bp->cnic_eth_dev.addr_drv_info_to_mcp =
7673 &bp->slowpath->drv_info_to_mcp;
7674
7675 if (bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_ALLOC))
7676 goto alloc_mem_err;
7677
7678 return 0;
7679
7680alloc_mem_err:
7681 bnx2x_free_mem_cnic(bp);
7682 BNX2X_ERR("Can't allocate memory\n");
7683 return -ENOMEM;
7684}
7685
7686int bnx2x_alloc_mem(struct bnx2x *bp)
7687{
7688 int i, allocated, context_size;
7689
7690 if (!CONFIGURE_NIC_MODE(bp))
7691 /* allocate searcher T2 table */
7692 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007693
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007694 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007695 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007696
7697 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7698 sizeof(struct bnx2x_slowpath));
7699
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007700 /* Allocated memory for FW statistics */
7701 if (bnx2x_alloc_fw_stats_mem(bp))
7702 goto alloc_mem_err;
7703
Merav Sicrona0529972012-06-19 07:48:25 +00007704 /* Allocate memory for CDU context:
7705 * This memory is allocated separately and not in the generic ILT
7706 * functions because CDU differs in few aspects:
7707 * 1. There are multiple entities allocating memory for context -
7708 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7709 * its own ILT lines.
7710 * 2. Since CDU page-size is not a single 4KB page (which is the case
7711 * for the other ILT clients), to be efficient we want to support
7712 * allocation of sub-page-size in the last entry.
7713 * 3. Context pointers are used by the driver to pass to FW / update
7714 * the context (for the other ILT clients the pointers are used just to
7715 * free the memory during unload).
7716 */
7717 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007718
Merav Sicrona0529972012-06-19 07:48:25 +00007719 for (i = 0, allocated = 0; allocated < context_size; i++) {
7720 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7721 (context_size - allocated));
7722 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7723 &bp->context[i].cxt_mapping,
7724 bp->context[i].size);
7725 allocated += bp->context[i].size;
7726 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007727 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007728
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007729 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7730 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007731
7732 /* Slow path ring */
7733 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7734
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007735 /* EQ */
7736 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7737 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007738
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007739
7740 /* fastpath */
7741 /* need to be done at the end, since it's self adjusting to amount
7742 * of memory available for RSS queues
7743 */
7744 if (bnx2x_alloc_fp_mem(bp))
7745 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007746 return 0;
7747
7748alloc_mem_err:
7749 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007750 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007751 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007752}
7753
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007754/*
7755 * Init service functions
7756 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007757
7758int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7759 struct bnx2x_vlan_mac_obj *obj, bool set,
7760 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007761{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007762 int rc;
7763 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007764
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007765 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007766
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007767 /* Fill general parameters */
7768 ramrod_param.vlan_mac_obj = obj;
7769 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007770
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007771 /* Fill a user request section if needed */
7772 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7773 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007774
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007775 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007776
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007777 /* Set the command: ADD or DEL */
7778 if (set)
7779 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7780 else
7781 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007782 }
7783
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007784 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007785
7786 if (rc == -EEXIST) {
7787 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
7788 /* do not treat adding same MAC as error */
7789 rc = 0;
7790 } else if (rc < 0)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007791 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007792
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007793 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007794}
7795
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007796int bnx2x_del_all_macs(struct bnx2x *bp,
7797 struct bnx2x_vlan_mac_obj *mac_obj,
7798 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007799{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007800 int rc;
7801 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7802
7803 /* Wait for completion of requested */
7804 if (wait_for_comp)
7805 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7806
7807 /* Set the mac type of addresses we want to clear */
7808 __set_bit(mac_type, &vlan_mac_flags);
7809
7810 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7811 if (rc < 0)
7812 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7813
7814 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007815}
7816
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007817int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007818{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007819 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007820
Barak Witkowskia3348722012-04-23 03:04:46 +00007821 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7822 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007823 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7824 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007825 return 0;
7826 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007827
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007828 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007829
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007830 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7831 /* Eth MAC is set on RSS leading client (fp[0]) */
Barak Witkowski15192a82012-06-19 07:48:28 +00007832 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->sp_objs->mac_obj,
7833 set, BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007834}
7835
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007836int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007837{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007838 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007839}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007840
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007841/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007842 * bnx2x_set_int_mode - configure interrupt mode
7843 *
7844 * @bp: driver handle
7845 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007846 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007847 */
Ariel Elior1ab44342013-01-01 05:22:23 +00007848int bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007849{
Ariel Elior1ab44342013-01-01 05:22:23 +00007850 int rc = 0;
7851
7852 if (IS_VF(bp) && int_mode != BNX2X_INT_MODE_MSIX)
7853 return -EINVAL;
7854
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007855 switch (int_mode) {
Ariel Elior1ab44342013-01-01 05:22:23 +00007856 case BNX2X_INT_MODE_MSIX:
7857 /* attempt to enable msix */
7858 rc = bnx2x_enable_msix(bp);
7859
7860 /* msix attained */
7861 if (!rc)
7862 return 0;
7863
7864 /* vfs use only msix */
7865 if (rc && IS_VF(bp))
7866 return rc;
7867
7868 /* failed to enable multiple MSI-X */
7869 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
7870 bp->num_queues,
7871 1 + bp->num_cnic_queues);
7872
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007873 /* falling through... */
Ariel Elior1ab44342013-01-01 05:22:23 +00007874 case BNX2X_INT_MODE_MSI:
7875 bnx2x_enable_msi(bp);
7876
7877 /* falling through... */
7878 case BNX2X_INT_MODE_INTX:
Merav Sicron55c11942012-11-07 00:45:48 +00007879 bp->num_ethernet_queues = 1;
7880 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
Merav Sicron51c1a582012-03-18 10:33:38 +00007881 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007882 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007883 default:
Ariel Elior1ab44342013-01-01 05:22:23 +00007884 BNX2X_DEV_INFO("unknown value in int_mode module parameter\n");
7885 return -EINVAL;
Eilon Greensteinca003922009-08-12 22:53:28 -07007886 }
Ariel Elior1ab44342013-01-01 05:22:23 +00007887 return 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07007888}
7889
Ariel Elior1ab44342013-01-01 05:22:23 +00007890/* must be called prior to any HW initializations */
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007891static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7892{
7893 return L2_ILT_LINES(bp);
7894}
7895
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007896void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007897{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007898 struct ilt_client_info *ilt_client;
7899 struct bnx2x_ilt *ilt = BP_ILT(bp);
7900 u16 line = 0;
7901
7902 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7903 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7904
7905 /* CDU */
7906 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7907 ilt_client->client_num = ILT_CLIENT_CDU;
7908 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7909 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7910 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007911 line += bnx2x_cid_ilt_lines(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00007912
7913 if (CNIC_SUPPORT(bp))
7914 line += CNIC_ILT_LINES;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007915 ilt_client->end = line - 1;
7916
Merav Sicron51c1a582012-03-18 10:33:38 +00007917 DP(NETIF_MSG_IFUP, "ilt client[CDU]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007918 ilt_client->start,
7919 ilt_client->end,
7920 ilt_client->page_size,
7921 ilt_client->flags,
7922 ilog2(ilt_client->page_size >> 12));
7923
7924 /* QM */
7925 if (QM_INIT(bp->qm_cid_count)) {
7926 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7927 ilt_client->client_num = ILT_CLIENT_QM;
7928 ilt_client->page_size = QM_ILT_PAGE_SZ;
7929 ilt_client->flags = 0;
7930 ilt_client->start = line;
7931
7932 /* 4 bytes for each cid */
7933 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7934 QM_ILT_PAGE_SZ);
7935
7936 ilt_client->end = line - 1;
7937
Merav Sicron51c1a582012-03-18 10:33:38 +00007938 DP(NETIF_MSG_IFUP,
7939 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007940 ilt_client->start,
7941 ilt_client->end,
7942 ilt_client->page_size,
7943 ilt_client->flags,
7944 ilog2(ilt_client->page_size >> 12));
7945
7946 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007947
Merav Sicron55c11942012-11-07 00:45:48 +00007948 if (CNIC_SUPPORT(bp)) {
7949 /* SRC */
7950 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7951 ilt_client->client_num = ILT_CLIENT_SRC;
7952 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7953 ilt_client->flags = 0;
7954 ilt_client->start = line;
7955 line += SRC_ILT_LINES;
7956 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007957
Merav Sicron55c11942012-11-07 00:45:48 +00007958 DP(NETIF_MSG_IFUP,
7959 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
7960 ilt_client->start,
7961 ilt_client->end,
7962 ilt_client->page_size,
7963 ilt_client->flags,
7964 ilog2(ilt_client->page_size >> 12));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007965
Merav Sicron55c11942012-11-07 00:45:48 +00007966 /* TM */
7967 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7968 ilt_client->client_num = ILT_CLIENT_TM;
7969 ilt_client->page_size = TM_ILT_PAGE_SZ;
7970 ilt_client->flags = 0;
7971 ilt_client->start = line;
7972 line += TM_ILT_LINES;
7973 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007974
Merav Sicron55c11942012-11-07 00:45:48 +00007975 DP(NETIF_MSG_IFUP,
7976 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
7977 ilt_client->start,
7978 ilt_client->end,
7979 ilt_client->page_size,
7980 ilt_client->flags,
7981 ilog2(ilt_client->page_size >> 12));
7982 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007983
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007984 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007985}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007986
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007987/**
7988 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7989 *
7990 * @bp: driver handle
7991 * @fp: pointer to fastpath
7992 * @init_params: pointer to parameters structure
7993 *
7994 * parameters configured:
7995 * - HC configuration
7996 * - Queue's CDU context
7997 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00007998static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007999 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008000{
Ariel Elior6383c0b2011-07-14 08:31:57 +00008001
8002 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00008003 int cxt_index, cxt_offset;
8004
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008005 /* FCoE Queue uses Default SB, thus has no HC capabilities */
8006 if (!IS_FCOE_FP(fp)) {
8007 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
8008 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
8009
8010 /* If HC is supporterd, enable host coalescing in the transition
8011 * to INIT state.
8012 */
8013 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
8014 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
8015
8016 /* HC rate */
8017 init_params->rx.hc_rate = bp->rx_ticks ?
8018 (1000000 / bp->rx_ticks) : 0;
8019 init_params->tx.hc_rate = bp->tx_ticks ?
8020 (1000000 / bp->tx_ticks) : 0;
8021
8022 /* FW SB ID */
8023 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
8024 fp->fw_sb_id;
8025
8026 /*
8027 * CQ index among the SB indices: FCoE clients uses the default
8028 * SB, therefore it's different.
8029 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008030 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
8031 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008032 }
8033
Ariel Elior6383c0b2011-07-14 08:31:57 +00008034 /* set maximum number of COSs supported by this queue */
8035 init_params->max_cos = fp->max_cos;
8036
Merav Sicron51c1a582012-03-18 10:33:38 +00008037 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008038 fp->index, init_params->max_cos);
8039
8040 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00008041 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00008042 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
8043 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00008044 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008045 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00008046 &bp->context[cxt_index].vcxt[cxt_offset].eth;
8047 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008048}
8049
Merav Sicron910cc722012-11-11 03:56:08 +00008050static int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00008051 struct bnx2x_queue_state_params *q_params,
8052 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
8053 int tx_index, bool leading)
8054{
8055 memset(tx_only_params, 0, sizeof(*tx_only_params));
8056
8057 /* Set the command */
8058 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
8059
8060 /* Set tx-only QUEUE flags: don't zero statistics */
8061 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
8062
8063 /* choose the index of the cid to send the slow path on */
8064 tx_only_params->cid_index = tx_index;
8065
8066 /* Set general TX_ONLY_SETUP parameters */
8067 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
8068
8069 /* Set Tx TX_ONLY_SETUP parameters */
8070 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
8071
Merav Sicron51c1a582012-03-18 10:33:38 +00008072 DP(NETIF_MSG_IFUP,
8073 "preparing to send tx-only ramrod for connection: cos %d, primary cid %d, cid %d, client id %d, sp-client id %d, flags %lx\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008074 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
8075 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
8076 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
8077
8078 /* send the ramrod */
8079 return bnx2x_queue_state_change(bp, q_params);
8080}
8081
8082
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008083/**
8084 * bnx2x_setup_queue - setup queue
8085 *
8086 * @bp: driver handle
8087 * @fp: pointer to fastpath
8088 * @leading: is leading
8089 *
8090 * This function performs 2 steps in a Queue state machine
8091 * actually: 1) RESET->INIT 2) INIT->SETUP
8092 */
8093
8094int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
8095 bool leading)
8096{
Yuval Mintz3b603062012-03-18 10:33:39 +00008097 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008098 struct bnx2x_queue_setup_params *setup_params =
8099 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008100 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
8101 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008102 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008103 u8 tx_index;
8104
Merav Sicron51c1a582012-03-18 10:33:38 +00008105 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008106
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008107 /* reset IGU state skip FCoE L2 queue */
8108 if (!IS_FCOE_FP(fp))
8109 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008110 IGU_INT_ENABLE, 0);
8111
Barak Witkowski15192a82012-06-19 07:48:28 +00008112 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008113 /* We want to wait for completion in this context */
8114 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008115
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008116 /* Prepare the INIT parameters */
8117 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008118
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008119 /* Set the command */
8120 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008121
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008122 /* Change the state to INIT */
8123 rc = bnx2x_queue_state_change(bp, &q_params);
8124 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00008125 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008126 return rc;
8127 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008128
Merav Sicron51c1a582012-03-18 10:33:38 +00008129 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00008130
8131
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008132 /* Now move the Queue to the SETUP state... */
8133 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008134
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008135 /* Set QUEUE flags */
8136 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008137
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008138 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008139 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
8140 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008141
Ariel Elior6383c0b2011-07-14 08:31:57 +00008142 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008143 &setup_params->rxq_params);
8144
Ariel Elior6383c0b2011-07-14 08:31:57 +00008145 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
8146 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008147
8148 /* Set the command */
8149 q_params.cmd = BNX2X_Q_CMD_SETUP;
8150
Merav Sicron55c11942012-11-07 00:45:48 +00008151 if (IS_FCOE_FP(fp))
8152 bp->fcoe_init = true;
8153
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008154 /* Change the state to SETUP */
8155 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008156 if (rc) {
8157 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
8158 return rc;
8159 }
8160
8161 /* loop through the relevant tx-only indices */
8162 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8163 tx_index < fp->max_cos;
8164 tx_index++) {
8165
8166 /* prepare and send tx-only ramrod*/
8167 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
8168 tx_only_params, tx_index, leading);
8169 if (rc) {
8170 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
8171 fp->index, tx_index);
8172 return rc;
8173 }
8174 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008175
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008176 return rc;
8177}
8178
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008179static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008180{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008181 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008182 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00008183 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00008184 int rc, tx_index;
8185
Merav Sicron51c1a582012-03-18 10:33:38 +00008186 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008187
Barak Witkowski15192a82012-06-19 07:48:28 +00008188 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008189 /* We want to wait for completion in this context */
8190 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008191
Ariel Elior6383c0b2011-07-14 08:31:57 +00008192
8193 /* close tx-only connections */
8194 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8195 tx_index < fp->max_cos;
8196 tx_index++){
8197
8198 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00008199 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008200
Merav Sicron51c1a582012-03-18 10:33:38 +00008201 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008202 txdata->txq_index);
8203
8204 /* send halt terminate on tx-only connection */
8205 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
8206 memset(&q_params.params.terminate, 0,
8207 sizeof(q_params.params.terminate));
8208 q_params.params.terminate.cid_index = tx_index;
8209
8210 rc = bnx2x_queue_state_change(bp, &q_params);
8211 if (rc)
8212 return rc;
8213
8214 /* send halt terminate on tx-only connection */
8215 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
8216 memset(&q_params.params.cfc_del, 0,
8217 sizeof(q_params.params.cfc_del));
8218 q_params.params.cfc_del.cid_index = tx_index;
8219 rc = bnx2x_queue_state_change(bp, &q_params);
8220 if (rc)
8221 return rc;
8222 }
8223 /* Stop the primary connection: */
8224 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008225 q_params.cmd = BNX2X_Q_CMD_HALT;
8226 rc = bnx2x_queue_state_change(bp, &q_params);
8227 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008228 return rc;
8229
Ariel Elior6383c0b2011-07-14 08:31:57 +00008230 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008231 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008232 memset(&q_params.params.terminate, 0,
8233 sizeof(q_params.params.terminate));
8234 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008235 rc = bnx2x_queue_state_change(bp, &q_params);
8236 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008237 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008238 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008239 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008240 memset(&q_params.params.cfc_del, 0,
8241 sizeof(q_params.params.cfc_del));
8242 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008243 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008244}
8245
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008246
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008247static void bnx2x_reset_func(struct bnx2x *bp)
8248{
8249 int port = BP_PORT(bp);
8250 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008251 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008252
8253 /* Disable the function in the FW */
8254 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8255 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8256 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8257 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8258
8259 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008260 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008261 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008262 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008263 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8264 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008265 }
8266
Merav Sicron55c11942012-11-07 00:45:48 +00008267 if (CNIC_LOADED(bp))
8268 /* CNIC SB */
8269 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8270 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET
8271 (bnx2x_cnic_fw_sb_id(bp)), SB_DISABLED);
8272
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008273 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008274 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008275 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8276 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008277
8278 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8279 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8280 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008281
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008282 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008283 if (bp->common.int_block == INT_BLOCK_HC) {
8284 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8285 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8286 } else {
8287 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8288 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8289 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008290
Merav Sicron55c11942012-11-07 00:45:48 +00008291 if (CNIC_LOADED(bp)) {
8292 /* Disable Timer scan */
8293 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8294 /*
8295 * Wait for at least 10ms and up to 2 second for the timers
8296 * scan to complete
8297 */
8298 for (i = 0; i < 200; i++) {
8299 msleep(10);
8300 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8301 break;
8302 }
Michael Chan37b091b2009-10-10 13:46:55 +00008303 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008304 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008305 bnx2x_clear_func_ilt(bp, func);
8306
8307 /* Timers workaround bug for E2: if this is vnic-3,
8308 * we need to set the entire ilt range for this timers.
8309 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008310 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008311 struct ilt_client_info ilt_cli;
8312 /* use dummy TM client */
8313 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8314 ilt_cli.start = 0;
8315 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8316 ilt_cli.client_num = ILT_CLIENT_TM;
8317
8318 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8319 }
8320
8321 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008322 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008323 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008324
8325 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008326}
8327
8328static void bnx2x_reset_port(struct bnx2x *bp)
8329{
8330 int port = BP_PORT(bp);
8331 u32 val;
8332
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008333 /* Reset physical Link */
8334 bnx2x__link_reset(bp);
8335
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008336 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8337
8338 /* Do not rcv packets to BRB */
8339 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8340 /* Do not direct rcv packets that are not for MCP to the BRB */
8341 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8342 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8343
8344 /* Configure AEU */
8345 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8346
8347 msleep(100);
8348 /* Check for BRB port occupancy */
8349 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8350 if (val)
8351 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008352 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008353
8354 /* TODO: Close Doorbell port? */
8355}
8356
Eric Dumazet1191cb82012-04-27 21:39:21 +00008357static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008358{
Yuval Mintz3b603062012-03-18 10:33:39 +00008359 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008360
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008361 /* Prepare parameters for function state transitions */
8362 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008363
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008364 func_params.f_obj = &bp->func_obj;
8365 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008366
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008367 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008368
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008369 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008370}
8371
Eric Dumazet1191cb82012-04-27 21:39:21 +00008372static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008373{
Yuval Mintz3b603062012-03-18 10:33:39 +00008374 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008375 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008376
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008377 /* Prepare parameters for function state transitions */
8378 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8379 func_params.f_obj = &bp->func_obj;
8380 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008381
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008382 /*
8383 * Try to stop the function the 'good way'. If fails (in case
8384 * of a parity error during bnx2x_chip_cleanup()) and we are
8385 * not in a debug mode, perform a state transaction in order to
8386 * enable further HW_RESET transaction.
8387 */
8388 rc = bnx2x_func_state_change(bp, &func_params);
8389 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008390#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008391 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008392#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008393 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008394 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8395 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008396#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008397 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008398
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008399 return 0;
8400}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008401
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008402/**
8403 * bnx2x_send_unload_req - request unload mode from the MCP.
8404 *
8405 * @bp: driver handle
8406 * @unload_mode: requested function's unload mode
8407 *
8408 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8409 */
8410u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8411{
8412 u32 reset_code = 0;
8413 int port = BP_PORT(bp);
8414
8415 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008416 if (unload_mode == UNLOAD_NORMAL)
8417 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008418
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008419 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008420 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008421
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008422 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008423 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008424 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008425 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008426 u16 pmc;
8427
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008428 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008429 * preserve entry 0 which is used by the PMF
8430 */
David S. Miller8decf862011-09-22 03:23:13 -04008431 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008432
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008433 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008434 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008435
8436 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8437 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008438 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008439
David S. Miller88c51002011-10-07 13:38:43 -04008440 /* Enable the PME and clear the status */
8441 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8442 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8443 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8444
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008445 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008446
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008447 } else
8448 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8449
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008450 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008451 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008452 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008453 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008454 int path = BP_PATH(bp);
8455
Merav Sicron51c1a582012-03-18 10:33:38 +00008456 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008457 path, load_count[path][0], load_count[path][1],
8458 load_count[path][2]);
8459 load_count[path][0]--;
8460 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008461 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008462 path, load_count[path][0], load_count[path][1],
8463 load_count[path][2]);
8464 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008465 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008466 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008467 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8468 else
8469 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8470 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008471
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008472 return reset_code;
8473}
8474
8475/**
8476 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8477 *
8478 * @bp: driver handle
Yuval Mintz5d07d862012-09-13 02:56:21 +00008479 * @keep_link: true iff link should be kept up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008480 */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008481void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008482{
Yuval Mintz5d07d862012-09-13 02:56:21 +00008483 u32 reset_param = keep_link ? DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET : 0;
8484
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008485 /* Report UNLOAD_DONE to MCP */
8486 if (!BP_NOMCP(bp))
Yuval Mintz5d07d862012-09-13 02:56:21 +00008487 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, reset_param);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008488}
8489
Eric Dumazet1191cb82012-04-27 21:39:21 +00008490static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008491{
8492 int tout = 50;
8493 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8494
8495 if (!bp->port.pmf)
8496 return 0;
8497
8498 /*
8499 * (assumption: No Attention from MCP at this stage)
8500 * PMF probably in the middle of TXdisable/enable transaction
8501 * 1. Sync IRS for default SB
8502 * 2. Sync SP queue - this guarantes us that attention handling started
8503 * 3. Wait, that TXdisable/enable transaction completes
8504 *
8505 * 1+2 guranty that if DCBx attention was scheduled it already changed
8506 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
8507 * received complettion for the transaction the state is TX_STOPPED.
8508 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8509 * transaction.
8510 */
8511
8512 /* make sure default SB ISR is done */
8513 if (msix)
8514 synchronize_irq(bp->msix_table[0].vector);
8515 else
8516 synchronize_irq(bp->pdev->irq);
8517
8518 flush_workqueue(bnx2x_wq);
8519
8520 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8521 BNX2X_F_STATE_STARTED && tout--)
8522 msleep(20);
8523
8524 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8525 BNX2X_F_STATE_STARTED) {
8526#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008527 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008528 return -EBUSY;
8529#else
8530 /*
8531 * Failed to complete the transaction in a "good way"
8532 * Force both transactions with CLR bit
8533 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008534 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008535
Merav Sicron51c1a582012-03-18 10:33:38 +00008536 DP(NETIF_MSG_IFDOWN,
8537 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008538
8539 func_params.f_obj = &bp->func_obj;
8540 __set_bit(RAMROD_DRV_CLR_ONLY,
8541 &func_params.ramrod_flags);
8542
8543 /* STARTED-->TX_ST0PPED */
8544 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8545 bnx2x_func_state_change(bp, &func_params);
8546
8547 /* TX_ST0PPED-->STARTED */
8548 func_params.cmd = BNX2X_F_CMD_TX_START;
8549 return bnx2x_func_state_change(bp, &func_params);
8550#endif
8551 }
8552
8553 return 0;
8554}
8555
Yuval Mintz5d07d862012-09-13 02:56:21 +00008556void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008557{
8558 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008559 int i, rc = 0;
8560 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008561 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008562 u32 reset_code;
8563
8564 /* Wait until tx fastpath tasks complete */
8565 for_each_tx_queue(bp, i) {
8566 struct bnx2x_fastpath *fp = &bp->fp[i];
8567
Ariel Elior6383c0b2011-07-14 08:31:57 +00008568 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00008569 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008570#ifdef BNX2X_STOP_ON_ERROR
8571 if (rc)
8572 return;
8573#endif
8574 }
8575
8576 /* Give HW time to discard old tx messages */
8577 usleep_range(1000, 1000);
8578
8579 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00008580 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
8581 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008582 if (rc < 0)
8583 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8584
8585 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00008586 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008587 true);
8588 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008589 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8590 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008591
8592 /* Disable LLH */
8593 if (!CHIP_IS_E1(bp))
8594 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8595
8596 /* Set "drop all" (stop Rx).
8597 * We need to take a netif_addr_lock() here in order to prevent
8598 * a race between the completion code and this code.
8599 */
8600 netif_addr_lock_bh(bp->dev);
8601 /* Schedule the rx_mode command */
8602 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8603 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8604 else
8605 bnx2x_set_storm_rx_mode(bp);
8606
8607 /* Cleanup multicast configuration */
8608 rparam.mcast_obj = &bp->mcast_obj;
8609 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8610 if (rc < 0)
8611 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8612
8613 netif_addr_unlock_bh(bp->dev);
8614
8615
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008616
8617 /*
8618 * Send the UNLOAD_REQUEST to the MCP. This will return if
8619 * this function should perform FUNC, PORT or COMMON HW
8620 * reset.
8621 */
8622 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8623
8624 /*
8625 * (assumption: No Attention from MCP at this stage)
8626 * PMF probably in the middle of TXdisable/enable transaction
8627 */
8628 rc = bnx2x_func_wait_started(bp);
8629 if (rc) {
8630 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8631#ifdef BNX2X_STOP_ON_ERROR
8632 return;
8633#endif
8634 }
8635
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008636 /* Close multi and leading connections
8637 * Completions for ramrods are collected in a synchronous way
8638 */
Merav Sicron55c11942012-11-07 00:45:48 +00008639 for_each_eth_queue(bp, i)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008640 if (bnx2x_stop_queue(bp, i))
8641#ifdef BNX2X_STOP_ON_ERROR
8642 return;
8643#else
8644 goto unload_error;
8645#endif
Merav Sicron55c11942012-11-07 00:45:48 +00008646
8647 if (CNIC_LOADED(bp)) {
8648 for_each_cnic_queue(bp, i)
8649 if (bnx2x_stop_queue(bp, i))
8650#ifdef BNX2X_STOP_ON_ERROR
8651 return;
8652#else
8653 goto unload_error;
8654#endif
8655 }
8656
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008657 /* If SP settings didn't get completed so far - something
8658 * very wrong has happen.
8659 */
8660 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8661 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8662
8663#ifndef BNX2X_STOP_ON_ERROR
8664unload_error:
8665#endif
8666 rc = bnx2x_func_stop(bp);
8667 if (rc) {
8668 BNX2X_ERR("Function stop failed!\n");
8669#ifdef BNX2X_STOP_ON_ERROR
8670 return;
8671#endif
8672 }
8673
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008674 /* Disable HW interrupts, NAPI */
8675 bnx2x_netif_stop(bp, 1);
Merav Sicron26614ba2012-08-27 03:26:19 +00008676 /* Delete all NAPI objects */
8677 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00008678 if (CNIC_LOADED(bp))
8679 bnx2x_del_all_napi_cnic(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008680
8681 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008682 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008683
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008684 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008685 rc = bnx2x_reset_hw(bp, reset_code);
8686 if (rc)
8687 BNX2X_ERR("HW_RESET failed\n");
8688
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008689
8690 /* Report UNLOAD_DONE to MCP */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008691 bnx2x_send_unload_done(bp, keep_link);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008692}
8693
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008694void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008695{
8696 u32 val;
8697
Merav Sicron51c1a582012-03-18 10:33:38 +00008698 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008699
8700 if (CHIP_IS_E1(bp)) {
8701 int port = BP_PORT(bp);
8702 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8703 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8704
8705 val = REG_RD(bp, addr);
8706 val &= ~(0x300);
8707 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008708 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008709 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8710 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8711 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8712 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8713 }
8714}
8715
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008716/* Close gates #2, #3 and #4: */
8717static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8718{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008719 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008720
8721 /* Gates #2 and #4a are closed/opened for "not E1" only */
8722 if (!CHIP_IS_E1(bp)) {
8723 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008724 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008725 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008726 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008727 }
8728
8729 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008730 if (CHIP_IS_E1x(bp)) {
8731 /* Prevent interrupts from HC on both ports */
8732 val = REG_RD(bp, HC_REG_CONFIG_1);
8733 REG_WR(bp, HC_REG_CONFIG_1,
8734 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8735 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8736
8737 val = REG_RD(bp, HC_REG_CONFIG_0);
8738 REG_WR(bp, HC_REG_CONFIG_0,
8739 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8740 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8741 } else {
8742 /* Prevent incomming interrupts in IGU */
8743 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8744
8745 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8746 (!close) ?
8747 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8748 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8749 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008750
Merav Sicron51c1a582012-03-18 10:33:38 +00008751 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008752 close ? "closing" : "opening");
8753 mmiowb();
8754}
8755
8756#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8757
8758static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8759{
8760 /* Do some magic... */
8761 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8762 *magic_val = val & SHARED_MF_CLP_MAGIC;
8763 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8764}
8765
Dmitry Kravkove8920672011-05-04 23:52:40 +00008766/**
8767 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008768 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008769 * @bp: driver handle
8770 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008771 */
8772static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8773{
8774 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008775 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8776 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8777 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8778}
8779
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008780/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008781 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008782 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008783 * @bp: driver handle
8784 * @magic_val: old value of 'magic' bit.
8785 *
8786 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008787 */
8788static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8789{
8790 u32 shmem;
8791 u32 validity_offset;
8792
Merav Sicron51c1a582012-03-18 10:33:38 +00008793 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008794
8795 /* Set `magic' bit in order to save MF config */
8796 if (!CHIP_IS_E1(bp))
8797 bnx2x_clp_reset_prep(bp, magic_val);
8798
8799 /* Get shmem offset */
8800 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Barak Witkowskic55e7712012-12-02 04:05:46 +00008801 validity_offset =
8802 offsetof(struct shmem_region, validity_map[BP_PORT(bp)]);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008803
8804 /* Clear validity map flags */
8805 if (shmem > 0)
8806 REG_WR(bp, shmem + validity_offset, 0);
8807}
8808
8809#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8810#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8811
Dmitry Kravkove8920672011-05-04 23:52:40 +00008812/**
8813 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008814 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008815 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008816 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008817static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008818{
8819 /* special handling for emulation and FPGA,
8820 wait 10 times longer */
8821 if (CHIP_REV_IS_SLOW(bp))
8822 msleep(MCP_ONE_TIMEOUT*10);
8823 else
8824 msleep(MCP_ONE_TIMEOUT);
8825}
8826
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008827/*
8828 * initializes bp->common.shmem_base and waits for validity signature to appear
8829 */
8830static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008831{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008832 int cnt = 0;
8833 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008834
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008835 do {
8836 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8837 if (bp->common.shmem_base) {
8838 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8839 if (val & SHR_MEM_VALIDITY_MB)
8840 return 0;
8841 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008842
8843 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008844
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008845 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008846
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008847 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008848
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008849 return -ENODEV;
8850}
8851
8852static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8853{
8854 int rc = bnx2x_init_shmem(bp);
8855
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008856 /* Restore the `magic' bit value */
8857 if (!CHIP_IS_E1(bp))
8858 bnx2x_clp_reset_done(bp, magic_val);
8859
8860 return rc;
8861}
8862
8863static void bnx2x_pxp_prep(struct bnx2x *bp)
8864{
8865 if (!CHIP_IS_E1(bp)) {
8866 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8867 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008868 mmiowb();
8869 }
8870}
8871
8872/*
8873 * Reset the whole chip except for:
8874 * - PCIE core
8875 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8876 * one reset bit)
8877 * - IGU
8878 * - MISC (including AEU)
8879 * - GRC
8880 * - RBCN, RBCP
8881 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008882static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008883{
8884 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008885 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008886
8887 /*
8888 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8889 * (per chip) blocks.
8890 */
8891 global_bits2 =
8892 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8893 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008894
Barak Witkowskic55e7712012-12-02 04:05:46 +00008895 /* Don't reset the following blocks.
8896 * Important: per port blocks (such as EMAC, BMAC, UMAC) can't be
8897 * reset, as in 4 port device they might still be owned
8898 * by the MCP (there is only one leader per path).
8899 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008900 not_reset_mask1 =
8901 MISC_REGISTERS_RESET_REG_1_RST_HC |
8902 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8903 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8904
8905 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008906 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008907 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8908 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8909 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8910 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8911 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8912 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008913 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8914 MISC_REGISTERS_RESET_REG_2_RST_ATC |
Barak Witkowskic55e7712012-12-02 04:05:46 +00008915 MISC_REGISTERS_RESET_REG_2_PGLC |
8916 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8917 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8918 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8919 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8920 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8921 MISC_REGISTERS_RESET_REG_2_UMAC1;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008922
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008923 /*
8924 * Keep the following blocks in reset:
8925 * - all xxMACs are handled by the bnx2x_link code.
8926 */
8927 stay_reset2 =
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008928 MISC_REGISTERS_RESET_REG_2_XMAC |
8929 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8930
8931 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008932 reset_mask1 = 0xffffffff;
8933
8934 if (CHIP_IS_E1(bp))
8935 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008936 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008937 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008938 else if (CHIP_IS_E2(bp))
8939 reset_mask2 = 0xfffff;
8940 else /* CHIP_IS_E3 */
8941 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008942
8943 /* Don't reset global blocks unless we need to */
8944 if (!global)
8945 reset_mask2 &= ~global_bits2;
8946
8947 /*
8948 * In case of attention in the QM, we need to reset PXP
8949 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8950 * because otherwise QM reset would release 'close the gates' shortly
8951 * before resetting the PXP, then the PSWRQ would send a write
8952 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8953 * read the payload data from PSWWR, but PSWWR would not
8954 * respond. The write queue in PGLUE would stuck, dmae commands
8955 * would not return. Therefore it's important to reset the second
8956 * reset register (containing the
8957 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8958 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8959 * bit).
8960 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008961 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8962 reset_mask2 & (~not_reset_mask2));
8963
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008964 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8965 reset_mask1 & (~not_reset_mask1));
8966
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008967 barrier();
8968 mmiowb();
8969
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008970 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8971 reset_mask2 & (~stay_reset2));
8972
8973 barrier();
8974 mmiowb();
8975
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008976 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008977 mmiowb();
8978}
8979
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008980/**
8981 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8982 * It should get cleared in no more than 1s.
8983 *
8984 * @bp: driver handle
8985 *
8986 * It should get cleared in no more than 1s. Returns 0 if
8987 * pending writes bit gets cleared.
8988 */
8989static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8990{
8991 u32 cnt = 1000;
8992 u32 pend_bits = 0;
8993
8994 do {
8995 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8996
8997 if (pend_bits == 0)
8998 break;
8999
9000 usleep_range(1000, 1000);
9001 } while (cnt-- > 0);
9002
9003 if (cnt <= 0) {
9004 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
9005 pend_bits);
9006 return -EBUSY;
9007 }
9008
9009 return 0;
9010}
9011
9012static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009013{
9014 int cnt = 1000;
9015 u32 val = 0;
9016 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
Barak Witkowskic55e7712012-12-02 04:05:46 +00009017 u32 tags_63_32 = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009018
9019
9020 /* Empty the Tetris buffer, wait for 1s */
9021 do {
9022 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
9023 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
9024 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
9025 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
9026 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
Barak Witkowskic55e7712012-12-02 04:05:46 +00009027 if (CHIP_IS_E3(bp))
9028 tags_63_32 = REG_RD(bp, PGLUE_B_REG_TAGS_63_32);
9029
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009030 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
9031 ((port_is_idle_0 & 0x1) == 0x1) &&
9032 ((port_is_idle_1 & 0x1) == 0x1) &&
Barak Witkowskic55e7712012-12-02 04:05:46 +00009033 (pgl_exp_rom2 == 0xffffffff) &&
9034 (!CHIP_IS_E3(bp) || (tags_63_32 == 0xffffffff)))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009035 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009036 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009037 } while (cnt-- > 0);
9038
9039 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009040 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
9041 BNX2X_ERR("sr_cnt=0x%08x, blk_cnt=0x%08x, port_is_idle_0=0x%08x, port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009042 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
9043 pgl_exp_rom2);
9044 return -EAGAIN;
9045 }
9046
9047 barrier();
9048
9049 /* Close gates #2, #3 and #4 */
9050 bnx2x_set_234_gates(bp, true);
9051
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009052 /* Poll for IGU VQs for 57712 and newer chips */
9053 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
9054 return -EAGAIN;
9055
9056
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009057 /* TBD: Indicate that "process kill" is in progress to MCP */
9058
9059 /* Clear "unprepared" bit */
9060 REG_WR(bp, MISC_REG_UNPREPARED, 0);
9061 barrier();
9062
9063 /* Make sure all is written to the chip before the reset */
9064 mmiowb();
9065
9066 /* Wait for 1ms to empty GLUE and PCI-E core queues,
9067 * PSWHST, GRC and PSWRD Tetris buffer.
9068 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009069 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009070
9071 /* Prepare to chip reset: */
9072 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009073 if (global)
9074 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009075
9076 /* PXP */
9077 bnx2x_pxp_prep(bp);
9078 barrier();
9079
9080 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009081 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009082 barrier();
9083
9084 /* Recover after reset: */
9085 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009086 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009087 return -EAGAIN;
9088
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009089 /* TBD: Add resetting the NO_MCP mode DB here */
9090
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009091 /* Open the gates #2, #3 and #4 */
9092 bnx2x_set_234_gates(bp, false);
9093
9094 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
9095 * reset state, re-enable attentions. */
9096
9097 return 0;
9098}
9099
Merav Sicron910cc722012-11-11 03:56:08 +00009100static int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009101{
9102 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009103 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009104 u32 load_code;
9105
9106 /* if not going to reset MCP - load "fake" driver to reset HW while
9107 * driver is owner of the HW
9108 */
9109 if (!global && !BP_NOMCP(bp)) {
Yuval Mintz5d07d862012-09-13 02:56:21 +00009110 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
9111 DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009112 if (!load_code) {
9113 BNX2X_ERR("MCP response failure, aborting\n");
9114 rc = -EAGAIN;
9115 goto exit_leader_reset;
9116 }
9117 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
9118 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
9119 BNX2X_ERR("MCP unexpected resp, aborting\n");
9120 rc = -EAGAIN;
9121 goto exit_leader_reset2;
9122 }
9123 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
9124 if (!load_code) {
9125 BNX2X_ERR("MCP response failure, aborting\n");
9126 rc = -EAGAIN;
9127 goto exit_leader_reset2;
9128 }
9129 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009130
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009131 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009132 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009133 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
9134 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009135 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009136 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009137 }
9138
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009139 /*
9140 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
9141 * state.
9142 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009143 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009144 if (global)
9145 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009146
Ariel Elior95c6c6162012-01-26 06:01:52 +00009147exit_leader_reset2:
9148 /* unload "fake driver" if it was loaded */
9149 if (!global && !BP_NOMCP(bp)) {
9150 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
9151 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9152 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009153exit_leader_reset:
9154 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009155 bnx2x_release_leader_lock(bp);
9156 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009157 return rc;
9158}
9159
Eric Dumazet1191cb82012-04-27 21:39:21 +00009160static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009161{
9162 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
9163
9164 /* Disconnect this device */
9165 netif_device_detach(bp->dev);
9166
9167 /*
9168 * Block ifup for all function on this engine until "process kill"
9169 * or power cycle.
9170 */
9171 bnx2x_set_reset_in_progress(bp);
9172
9173 /* Shut down the power */
9174 bnx2x_set_power_state(bp, PCI_D3hot);
9175
9176 bp->recovery_state = BNX2X_RECOVERY_FAILED;
9177
9178 smp_mb();
9179}
9180
9181/*
9182 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00009183 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009184 * will never be called when netif_running(bp->dev) is false.
9185 */
9186static void bnx2x_parity_recover(struct bnx2x *bp)
9187{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009188 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00009189 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009190 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009191
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009192 DP(NETIF_MSG_HW, "Handling parity\n");
9193 while (1) {
9194 switch (bp->recovery_state) {
9195 case BNX2X_RECOVERY_INIT:
9196 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009197 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
9198 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009199
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009200 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009201 if (bnx2x_trylock_leader_lock(bp)) {
9202 bnx2x_set_reset_in_progress(bp);
9203 /*
9204 * Check if there is a global attention and if
9205 * there was a global attention, set the global
9206 * reset bit.
9207 */
9208
9209 if (global)
9210 bnx2x_set_reset_global(bp);
9211
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009212 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009213 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009214
9215 /* Stop the driver */
9216 /* If interface has been removed - break */
Yuval Mintz5d07d862012-09-13 02:56:21 +00009217 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY, false))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009218 return;
9219
9220 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009221
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009222 /* Ensure "is_leader", MCP command sequence and
9223 * "recovery_state" update values are seen on other
9224 * CPUs.
9225 */
9226 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009227 break;
9228
9229 case BNX2X_RECOVERY_WAIT:
9230 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
9231 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009232 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00009233 bool other_load_status =
9234 bnx2x_get_load_status(bp, other_engine);
9235 bool load_status =
9236 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009237 global = bnx2x_reset_is_global(bp);
9238
9239 /*
9240 * In case of a parity in a global block, let
9241 * the first leader that performs a
9242 * leader_reset() reset the global blocks in
9243 * order to clear global attentions. Otherwise
9244 * the the gates will remain closed for that
9245 * engine.
9246 */
Ariel Elior889b9af2012-01-26 06:01:51 +00009247 if (load_status ||
9248 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009249 /* Wait until all other functions get
9250 * down.
9251 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009252 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009253 HZ/10);
9254 return;
9255 } else {
9256 /* If all other functions got down -
9257 * try to bring the chip back to
9258 * normal. In any case it's an exit
9259 * point for a leader.
9260 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009261 if (bnx2x_leader_reset(bp)) {
9262 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009263 return;
9264 }
9265
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009266 /* If we are here, means that the
9267 * leader has succeeded and doesn't
9268 * want to be a leader any more. Try
9269 * to continue as a none-leader.
9270 */
9271 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009272 }
9273 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009274 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009275 /* Try to get a LEADER_LOCK HW lock as
9276 * long as a former leader may have
9277 * been unloaded by the user or
9278 * released a leadership by another
9279 * reason.
9280 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009281 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009282 /* I'm a leader now! Restart a
9283 * switch case.
9284 */
9285 bp->is_leader = 1;
9286 break;
9287 }
9288
Ariel Elior7be08a72011-07-14 08:31:19 +00009289 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009290 HZ/10);
9291 return;
9292
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009293 } else {
9294 /*
9295 * If there was a global attention, wait
9296 * for it to be cleared.
9297 */
9298 if (bnx2x_reset_is_global(bp)) {
9299 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009300 &bp->sp_rtnl_task,
9301 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009302 return;
9303 }
9304
Ariel Elior7a752992012-01-26 06:01:53 +00009305 error_recovered =
9306 bp->eth_stats.recoverable_error;
9307 error_unrecovered =
9308 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009309 bp->recovery_state =
9310 BNX2X_RECOVERY_NIC_LOADING;
9311 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009312 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009313 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009314 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009315 /* Disconnect this device */
9316 netif_device_detach(bp->dev);
9317 /* Shut down the power */
9318 bnx2x_set_power_state(
9319 bp, PCI_D3hot);
9320 smp_mb();
9321 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009322 bp->recovery_state =
9323 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009324 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009325 smp_mb();
9326 }
Ariel Elior7a752992012-01-26 06:01:53 +00009327 bp->eth_stats.recoverable_error =
9328 error_recovered;
9329 bp->eth_stats.unrecoverable_error =
9330 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009331
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009332 return;
9333 }
9334 }
9335 default:
9336 return;
9337 }
9338 }
9339}
9340
Michal Schmidt56ad3152012-02-16 02:38:48 +00009341static int bnx2x_close(struct net_device *dev);
9342
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009343/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9344 * scheduled on a general queue in order to prevent a dead lock.
9345 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009346static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009347{
Ariel Elior7be08a72011-07-14 08:31:19 +00009348 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009349
9350 rtnl_lock();
9351
9352 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00009353 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009354
Ariel Elior7be08a72011-07-14 08:31:19 +00009355 /* if stop on error is defined no recovery flows should be executed */
9356#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009357 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
Ariel Elior7be08a72011-07-14 08:31:19 +00009358 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009359 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009360#endif
9361
9362 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9363 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009364 * Clear all pending SP commands as we are going to reset the
9365 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009366 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009367 bp->sp_rtnl_state = 0;
9368 smp_mb();
9369
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009370 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009371
9372 goto sp_rtnl_exit;
9373 }
9374
9375 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9376 /*
9377 * Clear all pending SP commands as we are going to reset the
9378 * function anyway.
9379 */
9380 bp->sp_rtnl_state = 0;
9381 smp_mb();
9382
Yuval Mintz5d07d862012-09-13 02:56:21 +00009383 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009384 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009385
9386 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009387 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009388#ifdef BNX2X_STOP_ON_ERROR
9389sp_rtnl_not_reset:
9390#endif
9391 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9392 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009393 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9394 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009395 /*
9396 * in case of fan failure we need to reset id if the "stop on error"
9397 * debug flag is set, since we trying to prevent permanent overheating
9398 * damage
9399 */
9400 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009401 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009402 netif_device_detach(bp->dev);
9403 bnx2x_close(bp->dev);
9404 }
9405
Ariel Elior7be08a72011-07-14 08:31:19 +00009406sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009407 rtnl_unlock();
9408}
9409
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009410/* end of nic load/unload */
9411
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009412static void bnx2x_period_task(struct work_struct *work)
9413{
9414 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9415
9416 if (!netif_running(bp->dev))
9417 goto period_task_exit;
9418
9419 if (CHIP_REV_IS_SLOW(bp)) {
9420 BNX2X_ERR("period task called on emulation, ignoring\n");
9421 goto period_task_exit;
9422 }
9423
9424 bnx2x_acquire_phy_lock(bp);
9425 /*
9426 * The barrier is needed to ensure the ordering between the writing to
9427 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9428 * the reading here.
9429 */
9430 smp_mb();
9431 if (bp->port.pmf) {
9432 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9433
9434 /* Re-queue task in 1 sec */
9435 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9436 }
9437
9438 bnx2x_release_phy_lock(bp);
9439period_task_exit:
9440 return;
9441}
9442
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009443/*
9444 * Init service functions
9445 */
9446
stephen hemminger8d962862010-10-21 07:50:56 +00009447static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009448{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009449 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9450 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9451 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009452}
9453
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009454static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009455{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009456 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009457
9458 /* Flush all outstanding writes */
9459 mmiowb();
9460
9461 /* Pretend to be function 0 */
9462 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009463 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009464
9465 /* From now we are in the "like-E1" mode */
9466 bnx2x_int_disable(bp);
9467
9468 /* Flush all outstanding writes */
9469 mmiowb();
9470
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009471 /* Restore the original function */
9472 REG_WR(bp, reg, BP_ABS_FUNC(bp));
9473 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009474}
9475
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009476static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009477{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009478 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009479 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009480 else
9481 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009482}
9483
Bill Pemberton0329aba2012-12-03 09:24:24 -05009484static void bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009485{
Yuval Mintz452427b2012-03-26 20:47:07 +00009486 u32 val, base_addr, offset, mask, reset_reg;
9487 bool mac_stopped = false;
9488 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009489
Yuval Mintz452427b2012-03-26 20:47:07 +00009490 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009491
Yuval Mintz452427b2012-03-26 20:47:07 +00009492 if (!CHIP_IS_E3(bp)) {
9493 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9494 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9495 if ((mask & reset_reg) && val) {
9496 u32 wb_data[2];
9497 BNX2X_DEV_INFO("Disable bmac Rx\n");
9498 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9499 : NIG_REG_INGRESS_BMAC0_MEM;
9500 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9501 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009502
Yuval Mintz452427b2012-03-26 20:47:07 +00009503 /*
9504 * use rd/wr since we cannot use dmae. This is safe
9505 * since MCP won't access the bus due to the request
9506 * to unload, and no function on the path can be
9507 * loaded at this time.
9508 */
9509 wb_data[0] = REG_RD(bp, base_addr + offset);
9510 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
9511 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
9512 REG_WR(bp, base_addr + offset, wb_data[0]);
9513 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009514
Yuval Mintz452427b2012-03-26 20:47:07 +00009515 }
9516 BNX2X_DEV_INFO("Disable emac Rx\n");
9517 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00009518
Yuval Mintz452427b2012-03-26 20:47:07 +00009519 mac_stopped = true;
9520 } else {
9521 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9522 BNX2X_DEV_INFO("Disable xmac Rx\n");
9523 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9524 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9525 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9526 val & ~(1 << 1));
9527 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9528 val | (1 << 1));
9529 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
9530 mac_stopped = true;
9531 }
9532 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9533 if (mask & reset_reg) {
9534 BNX2X_DEV_INFO("Disable umac Rx\n");
9535 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
9536 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
9537 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009538 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009539 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009540
Yuval Mintz452427b2012-03-26 20:47:07 +00009541 if (mac_stopped)
9542 msleep(20);
9543
9544}
9545
9546#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9547#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9548#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9549#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9550
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +00009551static void bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port, u8 inc)
Yuval Mintz452427b2012-03-26 20:47:07 +00009552{
9553 u16 rcq, bd;
9554 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9555
9556 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9557 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9558
9559 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9560 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9561
9562 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9563 port, bd, rcq);
9564}
9565
Bill Pemberton0329aba2012-12-03 09:24:24 -05009566static int bnx2x_prev_mcp_done(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009567{
Yuval Mintz5d07d862012-09-13 02:56:21 +00009568 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE,
9569 DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET);
Yuval Mintz452427b2012-03-26 20:47:07 +00009570 if (!rc) {
9571 BNX2X_ERR("MCP response failure, aborting\n");
9572 return -EBUSY;
9573 }
9574
9575 return 0;
9576}
9577
Barak Witkowskic63da992012-12-05 23:04:03 +00009578static struct bnx2x_prev_path_list *
9579 bnx2x_prev_path_get_entry(struct bnx2x *bp)
9580{
9581 struct bnx2x_prev_path_list *tmp_list;
9582
9583 list_for_each_entry(tmp_list, &bnx2x_prev_list, list)
9584 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9585 bp->pdev->bus->number == tmp_list->bus &&
9586 BP_PATH(bp) == tmp_list->path)
9587 return tmp_list;
9588
9589 return NULL;
9590}
9591
Bill Pemberton0329aba2012-12-03 09:24:24 -05009592static bool bnx2x_prev_is_path_marked(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009593{
9594 struct bnx2x_prev_path_list *tmp_list;
9595 int rc = false;
9596
9597 if (down_trylock(&bnx2x_prev_sem))
9598 return false;
9599
9600 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9601 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9602 bp->pdev->bus->number == tmp_list->bus &&
9603 BP_PATH(bp) == tmp_list->path) {
9604 rc = true;
9605 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9606 BP_PATH(bp));
9607 break;
9608 }
9609 }
9610
9611 up(&bnx2x_prev_sem);
9612
9613 return rc;
9614}
9615
Barak Witkowskic63da992012-12-05 23:04:03 +00009616static int bnx2x_prev_mark_path(struct bnx2x *bp, bool after_undi)
Yuval Mintz452427b2012-03-26 20:47:07 +00009617{
9618 struct bnx2x_prev_path_list *tmp_list;
9619 int rc;
9620
Devendra Nagaea4b3852012-07-29 03:19:23 +00009621 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +00009622 if (!tmp_list) {
9623 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9624 return -ENOMEM;
9625 }
9626
9627 tmp_list->bus = bp->pdev->bus->number;
9628 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9629 tmp_list->path = BP_PATH(bp);
Barak Witkowskic63da992012-12-05 23:04:03 +00009630 tmp_list->undi = after_undi ? (1 << BP_PORT(bp)) : 0;
Yuval Mintz452427b2012-03-26 20:47:07 +00009631
9632 rc = down_interruptible(&bnx2x_prev_sem);
9633 if (rc) {
9634 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9635 kfree(tmp_list);
9636 } else {
9637 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9638 BP_PATH(bp));
9639 list_add(&tmp_list->list, &bnx2x_prev_list);
9640 up(&bnx2x_prev_sem);
9641 }
9642
9643 return rc;
9644}
9645
Bill Pemberton0329aba2012-12-03 09:24:24 -05009646static int bnx2x_do_flr(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009647{
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009648 int i;
Yuval Mintz452427b2012-03-26 20:47:07 +00009649 u16 status;
9650 struct pci_dev *dev = bp->pdev;
9651
Yuval Mintz8eee6942012-08-09 04:37:25 +00009652
9653 if (CHIP_IS_E1x(bp)) {
9654 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
9655 return -EINVAL;
9656 }
9657
9658 /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
9659 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9660 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9661 bp->common.bc_ver);
9662 return -EINVAL;
9663 }
Yuval Mintz452427b2012-03-26 20:47:07 +00009664
Yuval Mintz452427b2012-03-26 20:47:07 +00009665 /* Wait for Transaction Pending bit clean */
9666 for (i = 0; i < 4; i++) {
9667 if (i)
9668 msleep((1 << (i - 1)) * 100);
9669
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009670 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Yuval Mintz452427b2012-03-26 20:47:07 +00009671 if (!(status & PCI_EXP_DEVSTA_TRPND))
9672 goto clear;
9673 }
9674
9675 dev_err(&dev->dev,
9676 "transaction is not cleared; proceeding with reset anyway\n");
9677
9678clear:
Yuval Mintz452427b2012-03-26 20:47:07 +00009679
Yuval Mintz8eee6942012-08-09 04:37:25 +00009680 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009681 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9682
9683 return 0;
9684}
9685
Bill Pemberton0329aba2012-12-03 09:24:24 -05009686static int bnx2x_prev_unload_uncommon(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009687{
9688 int rc;
9689
9690 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9691
9692 /* Test if previous unload process was already finished for this path */
9693 if (bnx2x_prev_is_path_marked(bp))
9694 return bnx2x_prev_mcp_done(bp);
9695
9696 /* If function has FLR capabilities, and existing FW version matches
9697 * the one required, then FLR will be sufficient to clean any residue
9698 * left by previous driver
9699 */
Ariel Eliorad5afc82013-01-01 05:22:26 +00009700 rc = bnx2x_nic_load_analyze_req(bp, FW_MSG_CODE_DRV_LOAD_FUNCTION);
Yuval Mintz8eee6942012-08-09 04:37:25 +00009701
9702 if (!rc) {
9703 /* fw version is good */
9704 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
9705 rc = bnx2x_do_flr(bp);
9706 }
9707
9708 if (!rc) {
9709 /* FLR was performed */
9710 BNX2X_DEV_INFO("FLR successful\n");
9711 return 0;
9712 }
9713
9714 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009715
9716 /* Close the MCP request, return failure*/
9717 rc = bnx2x_prev_mcp_done(bp);
9718 if (!rc)
9719 rc = BNX2X_PREV_WAIT_NEEDED;
9720
9721 return rc;
9722}
9723
Bill Pemberton0329aba2012-12-03 09:24:24 -05009724static int bnx2x_prev_unload_common(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009725{
9726 u32 reset_reg, tmp_reg = 0, rc;
Barak Witkowskic63da992012-12-05 23:04:03 +00009727 bool prev_undi = false;
Yuval Mintz452427b2012-03-26 20:47:07 +00009728 /* It is possible a previous function received 'common' answer,
9729 * but hasn't loaded yet, therefore creating a scenario of
9730 * multiple functions receiving 'common' on the same path.
9731 */
9732 BNX2X_DEV_INFO("Common unload Flow\n");
9733
9734 if (bnx2x_prev_is_path_marked(bp))
9735 return bnx2x_prev_mcp_done(bp);
9736
9737 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9738
9739 /* Reset should be performed after BRB is emptied */
9740 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9741 u32 timer_count = 1000;
Yuval Mintz452427b2012-03-26 20:47:07 +00009742
9743 /* Close the MAC Rx to prevent BRB from filling up */
9744 bnx2x_prev_unload_close_mac(bp);
9745
9746 /* Check if the UNDI driver was previously loaded
9747 * UNDI driver initializes CID offset for normal bell to 0x7
9748 */
9749 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9750 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9751 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9752 if (tmp_reg == 0x7) {
9753 BNX2X_DEV_INFO("UNDI previously loaded\n");
9754 prev_undi = true;
9755 /* clear the UNDI indication */
9756 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9757 }
9758 }
9759 /* wait until BRB is empty */
9760 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9761 while (timer_count) {
9762 u32 prev_brb = tmp_reg;
9763
9764 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9765 if (!tmp_reg)
9766 break;
9767
9768 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9769
9770 /* reset timer as long as BRB actually gets emptied */
9771 if (prev_brb > tmp_reg)
9772 timer_count = 1000;
9773 else
9774 timer_count--;
9775
9776 /* If UNDI resides in memory, manually increment it */
9777 if (prev_undi)
9778 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9779
9780 udelay(10);
9781 }
9782
9783 if (!timer_count)
9784 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9785
9786 }
9787
9788 /* No packets are in the pipeline, path is ready for reset */
9789 bnx2x_reset_common(bp);
9790
Barak Witkowskic63da992012-12-05 23:04:03 +00009791 rc = bnx2x_prev_mark_path(bp, prev_undi);
Yuval Mintz452427b2012-03-26 20:47:07 +00009792 if (rc) {
9793 bnx2x_prev_mcp_done(bp);
9794 return rc;
9795 }
9796
9797 return bnx2x_prev_mcp_done(bp);
9798}
9799
Ariel Elior24f06712012-05-06 07:05:57 +00009800/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9801 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9802 * the addresses of the transaction, resulting in was-error bit set in the pci
9803 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9804 * to clear the interrupt which detected this from the pglueb and the was done
9805 * bit
9806 */
Bill Pemberton0329aba2012-12-03 09:24:24 -05009807static void bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
Ariel Elior24f06712012-05-06 07:05:57 +00009808{
Ariel Elior4a254172012-11-22 07:16:17 +00009809 if (!CHIP_IS_E1x(bp)) {
9810 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9811 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9812 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9813 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
9814 1 << BP_FUNC(bp));
9815 }
Ariel Elior24f06712012-05-06 07:05:57 +00009816 }
9817}
9818
Bill Pemberton0329aba2012-12-03 09:24:24 -05009819static int bnx2x_prev_unload(struct bnx2x *bp)
Yuval Mintz452427b2012-03-26 20:47:07 +00009820{
9821 int time_counter = 10;
9822 u32 rc, fw, hw_lock_reg, hw_lock_val;
Barak Witkowskic63da992012-12-05 23:04:03 +00009823 struct bnx2x_prev_path_list *prev_list;
Yuval Mintz452427b2012-03-26 20:47:07 +00009824 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9825
Ariel Elior24f06712012-05-06 07:05:57 +00009826 /* clear hw from errors which may have resulted from an interrupted
9827 * dmae transaction.
9828 */
9829 bnx2x_prev_interrupted_dmae(bp);
9830
9831 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009832 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9833 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9834 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9835
9836 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9837 if (hw_lock_val) {
9838 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9839 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9840 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9841 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9842 }
9843
9844 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9845 REG_WR(bp, hw_lock_reg, 0xffffffff);
9846 } else
9847 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9848
9849 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9850 BNX2X_DEV_INFO("Release previously held alr\n");
9851 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9852 }
9853
9854
9855 do {
9856 /* Lock MCP using an unload request */
9857 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9858 if (!fw) {
9859 BNX2X_ERR("MCP response failure, aborting\n");
9860 rc = -EBUSY;
9861 break;
9862 }
9863
9864 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9865 rc = bnx2x_prev_unload_common(bp);
9866 break;
9867 }
9868
9869 /* non-common reply from MCP night require looping */
9870 rc = bnx2x_prev_unload_uncommon(bp);
9871 if (rc != BNX2X_PREV_WAIT_NEEDED)
9872 break;
9873
9874 msleep(20);
9875 } while (--time_counter);
9876
9877 if (!time_counter || rc) {
9878 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9879 rc = -EBUSY;
9880 }
9881
Barak Witkowskic63da992012-12-05 23:04:03 +00009882 /* Mark function if its port was used to boot from SAN */
9883 prev_list = bnx2x_prev_path_get_entry(bp);
9884 if (prev_list && (prev_list->undi & (1 << BP_PORT(bp))))
9885 bp->link_params.feature_config_flags |=
9886 FEATURE_CONFIG_BOOT_FROM_SAN;
9887
Yuval Mintz452427b2012-03-26 20:47:07 +00009888 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9889
9890 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009891}
9892
Bill Pemberton0329aba2012-12-03 09:24:24 -05009893static void bnx2x_get_common_hwinfo(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009894{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009895 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009896 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009897
9898 /* Get the chip revision id and number. */
9899 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9900 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9901 id = ((val & 0xffff) << 16);
9902 val = REG_RD(bp, MISC_REG_CHIP_REV);
9903 id |= ((val & 0xf) << 12);
9904 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9905 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009906 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009907 id |= (val & 0xf);
9908 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009909
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009910 /* force 57811 according to MISC register */
9911 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9912 if (CHIP_IS_57810(bp))
9913 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9914 (bp->common.chip_id & 0x0000FFFF);
9915 else if (CHIP_IS_57810_MF(bp))
9916 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9917 (bp->common.chip_id & 0x0000FFFF);
9918 bp->common.chip_id |= 0x1;
9919 }
9920
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009921 /* Set doorbell size */
9922 bp->db_size = (1 << BNX2X_DB_SHIFT);
9923
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009924 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009925 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9926 if ((val & 1) == 0)
9927 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9928 else
9929 val = (val >> 1) & 1;
9930 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9931 "2_PORT_MODE");
9932 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9933 CHIP_2_PORT_MODE;
9934
9935 if (CHIP_MODE_IS_4_PORT(bp))
9936 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9937 else
9938 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9939 } else {
9940 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9941 bp->pfid = bp->pf_num; /* 0..7 */
9942 }
9943
Merav Sicron51c1a582012-03-18 10:33:38 +00009944 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9945
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009946 bp->link_params.chip_id = bp->common.chip_id;
9947 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009948
Eilon Greenstein1c063282009-02-12 08:36:43 +00009949 val = (REG_RD(bp, 0x2874) & 0x55);
9950 if ((bp->common.chip_id & 0x1) ||
9951 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9952 bp->flags |= ONE_PORT_FLAG;
9953 BNX2X_DEV_INFO("single port device\n");
9954 }
9955
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009956 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009957 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009958 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9959 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9960 bp->common.flash_size, bp->common.flash_size);
9961
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009962 bnx2x_init_shmem(bp);
9963
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009964
9965
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009966 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9967 MISC_REG_GENERIC_CR_1 :
9968 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009969
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009970 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009971 bp->link_params.shmem2_base = bp->common.shmem2_base;
Yaniv Rosnerb884d952012-11-27 03:46:28 +00009972 if (SHMEM2_RD(bp, size) >
9973 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
9974 bp->link_params.lfa_base =
9975 REG_RD(bp, bp->common.shmem2_base +
9976 (u32)offsetof(struct shmem2_region,
9977 lfa_host_addr[BP_PORT(bp)]));
9978 else
9979 bp->link_params.lfa_base = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009980 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9981 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009982
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009983 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009984 BNX2X_DEV_INFO("MCP not active\n");
9985 bp->flags |= NO_MCP_FLAG;
9986 return;
9987 }
9988
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009989 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009990 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009991
9992 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9993 SHARED_HW_CFG_LED_MODE_MASK) >>
9994 SHARED_HW_CFG_LED_MODE_SHIFT);
9995
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009996 bp->link_params.feature_config_flags = 0;
9997 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9998 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9999 bp->link_params.feature_config_flags |=
10000 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
10001 else
10002 bp->link_params.feature_config_flags &=
10003 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
10004
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010005 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
10006 bp->common.bc_ver = val;
10007 BNX2X_DEV_INFO("bc_ver %X\n", val);
10008 if (val < BNX2X_BC_VER) {
10009 /* for now only warn
10010 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +000010011 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
10012 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010013 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010014 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010015 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010016 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
10017
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010018 bp->link_params.feature_config_flags |=
10019 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
10020 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +000010021 bp->link_params.feature_config_flags |=
10022 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
10023 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000010024 bp->link_params.feature_config_flags |=
10025 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
10026 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +000010027
10028 bp->link_params.feature_config_flags |=
10029 (val >= REQ_BC_VER_4_MT_SUPPORTED) ?
10030 FEATURE_CONFIG_MT_SUPPORT : 0;
10031
Barak Witkowski0e898dd2011-12-05 21:52:22 +000010032 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
10033 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +000010034
Barak Witkowski2e499d32012-06-26 01:31:19 +000010035 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
10036 BC_SUPPORTS_FCOE_FEATURES : 0;
10037
Barak Witkowski98768792012-06-19 07:48:31 +000010038 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
10039 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +000010040 boot_mode = SHMEM_RD(bp,
10041 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
10042 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
10043 switch (boot_mode) {
10044 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
10045 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
10046 break;
10047 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
10048 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
10049 break;
10050 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
10051 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
10052 break;
10053 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
10054 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
10055 break;
10056 }
10057
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +000010058 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
10059 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
10060
Eilon Greenstein72ce58c2008-08-13 15:52:46 -070010061 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +000010062 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010063
10064 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
10065 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
10066 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
10067 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
10068
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010069 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
10070 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010071}
10072
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010073#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
10074#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
10075
Bill Pemberton0329aba2012-12-03 09:24:24 -050010076static int bnx2x_get_igu_cam_info(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010077{
10078 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010079 int igu_sb_id;
10080 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010081 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010082
10083 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010084 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -040010085 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010086 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010087 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
10088 FP_SB_MAX_E1x;
10089
10090 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
10091 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
10092
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010093 return 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010094 }
10095
10096 /* IGU in normal mode - read CAM */
10097 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
10098 igu_sb_id++) {
10099 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
10100 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
10101 continue;
10102 fid = IGU_FID(val);
10103 if ((fid & IGU_FID_ENCODE_IS_PF)) {
10104 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
10105 continue;
10106 if (IGU_VEC(val) == 0)
10107 /* default status block */
10108 bp->igu_dsb_id = igu_sb_id;
10109 else {
10110 if (bp->igu_base_sb == 0xff)
10111 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010112 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010113 }
10114 }
10115 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010116
Ariel Elior6383c0b2011-07-14 08:31:57 +000010117#ifdef CONFIG_PCI_MSI
Ariel Elior185d4c82012-09-20 05:26:41 +000010118 /* Due to new PF resource allocation by MFW T7.4 and above, it's
10119 * optional that number of CAM entries will not be equal to the value
10120 * advertised in PCI.
10121 * Driver should use the minimal value of both as the actual status
10122 * block count
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010123 */
Ariel Elior185d4c82012-09-20 05:26:41 +000010124 bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010125#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010126
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010127 if (igu_sb_cnt == 0) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010128 BNX2X_ERR("CAM configuration error\n");
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010129 return -EINVAL;
10130 }
10131
10132 return 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010133}
10134
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +000010135static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010136{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010137 int cfg_size = 0, idx, port = BP_PORT(bp);
10138
10139 /* Aggregation of supported attributes of all external phys */
10140 bp->port.supported[0] = 0;
10141 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010142 switch (bp->link_params.num_phys) {
10143 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010144 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
10145 cfg_size = 1;
10146 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010147 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010148 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
10149 cfg_size = 1;
10150 break;
10151 case 3:
10152 if (bp->link_params.multi_phy_config &
10153 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
10154 bp->port.supported[1] =
10155 bp->link_params.phy[EXT_PHY1].supported;
10156 bp->port.supported[0] =
10157 bp->link_params.phy[EXT_PHY2].supported;
10158 } else {
10159 bp->port.supported[0] =
10160 bp->link_params.phy[EXT_PHY1].supported;
10161 bp->port.supported[1] =
10162 bp->link_params.phy[EXT_PHY2].supported;
10163 }
10164 cfg_size = 2;
10165 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010166 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010167
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010168 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010169 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010170 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010171 dev_info.port_hw_config[port].external_phy_config),
10172 SHMEM_RD(bp,
10173 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010174 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010175 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010176
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010177 if (CHIP_IS_E3(bp))
10178 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
10179 else {
10180 switch (switch_cfg) {
10181 case SWITCH_CFG_1G:
10182 bp->port.phy_addr = REG_RD(
10183 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
10184 break;
10185 case SWITCH_CFG_10G:
10186 bp->port.phy_addr = REG_RD(
10187 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
10188 break;
10189 default:
10190 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
10191 bp->port.link_config[0]);
10192 return;
10193 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010194 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010195 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010196 /* mask what we support according to speed_cap_mask per configuration */
10197 for (idx = 0; idx < cfg_size; idx++) {
10198 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010199 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010200 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010201
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010202 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010203 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010204 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010205
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010206 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010207 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010208 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010209
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010210 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010211 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010212 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010213
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010214 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010215 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010216 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010217 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010218
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010219 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010220 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010221 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010222
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010223 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010224 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010225 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010226
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010227 }
10228
10229 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
10230 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010231}
10232
Bill Pemberton0329aba2012-12-03 09:24:24 -050010233static void bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010234{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010235 u32 link_config, idx, cfg_size = 0;
10236 bp->port.advertising[0] = 0;
10237 bp->port.advertising[1] = 0;
10238 switch (bp->link_params.num_phys) {
10239 case 1:
10240 case 2:
10241 cfg_size = 1;
10242 break;
10243 case 3:
10244 cfg_size = 2;
10245 break;
10246 }
10247 for (idx = 0; idx < cfg_size; idx++) {
10248 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
10249 link_config = bp->port.link_config[idx];
10250 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010251 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010252 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
10253 bp->link_params.req_line_speed[idx] =
10254 SPEED_AUTO_NEG;
10255 bp->port.advertising[idx] |=
10256 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +000010257 if (bp->link_params.phy[EXT_PHY1].type ==
10258 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10259 bp->port.advertising[idx] |=
10260 (SUPPORTED_100baseT_Half |
10261 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010262 } else {
10263 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010264 bp->link_params.req_line_speed[idx] =
10265 SPEED_10000;
10266 bp->port.advertising[idx] |=
10267 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010268 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010269 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010270 }
10271 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010272
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010273 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010274 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
10275 bp->link_params.req_line_speed[idx] =
10276 SPEED_10;
10277 bp->port.advertising[idx] |=
10278 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010279 ADVERTISED_TP);
10280 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010281 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010282 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010283 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010284 return;
10285 }
10286 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010287
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010288 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010289 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
10290 bp->link_params.req_line_speed[idx] =
10291 SPEED_10;
10292 bp->link_params.req_duplex[idx] =
10293 DUPLEX_HALF;
10294 bp->port.advertising[idx] |=
10295 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010296 ADVERTISED_TP);
10297 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010298 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010299 link_config,
10300 bp->link_params.speed_cap_mask[idx]);
10301 return;
10302 }
10303 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010304
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010305 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10306 if (bp->port.supported[idx] &
10307 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010308 bp->link_params.req_line_speed[idx] =
10309 SPEED_100;
10310 bp->port.advertising[idx] |=
10311 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010312 ADVERTISED_TP);
10313 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010314 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010315 link_config,
10316 bp->link_params.speed_cap_mask[idx]);
10317 return;
10318 }
10319 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010320
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010321 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10322 if (bp->port.supported[idx] &
10323 SUPPORTED_100baseT_Half) {
10324 bp->link_params.req_line_speed[idx] =
10325 SPEED_100;
10326 bp->link_params.req_duplex[idx] =
10327 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010328 bp->port.advertising[idx] |=
10329 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010330 ADVERTISED_TP);
10331 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010332 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010333 link_config,
10334 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010335 return;
10336 }
10337 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010338
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010339 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010340 if (bp->port.supported[idx] &
10341 SUPPORTED_1000baseT_Full) {
10342 bp->link_params.req_line_speed[idx] =
10343 SPEED_1000;
10344 bp->port.advertising[idx] |=
10345 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010346 ADVERTISED_TP);
10347 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010348 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010349 link_config,
10350 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010351 return;
10352 }
10353 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010354
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010355 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010356 if (bp->port.supported[idx] &
10357 SUPPORTED_2500baseX_Full) {
10358 bp->link_params.req_line_speed[idx] =
10359 SPEED_2500;
10360 bp->port.advertising[idx] |=
10361 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010362 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010363 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010364 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010365 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010366 bp->link_params.speed_cap_mask[idx]);
10367 return;
10368 }
10369 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010370
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010371 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010372 if (bp->port.supported[idx] &
10373 SUPPORTED_10000baseT_Full) {
10374 bp->link_params.req_line_speed[idx] =
10375 SPEED_10000;
10376 bp->port.advertising[idx] |=
10377 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010378 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010379 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010380 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010381 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010382 bp->link_params.speed_cap_mask[idx]);
10383 return;
10384 }
10385 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010386 case PORT_FEATURE_LINK_SPEED_20G:
10387 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010388
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010389 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010390 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010391 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010392 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010393 bp->link_params.req_line_speed[idx] =
10394 SPEED_AUTO_NEG;
10395 bp->port.advertising[idx] =
10396 bp->port.supported[idx];
10397 break;
10398 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010399
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010400 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010401 PORT_FEATURE_FLOW_CONTROL_MASK);
Yuval Mintzcd1dfce2012-12-02 04:05:56 +000010402 if (bp->link_params.req_flow_ctrl[idx] ==
10403 BNX2X_FLOW_CTRL_AUTO) {
10404 if (!(bp->port.supported[idx] & SUPPORTED_Autoneg))
10405 bp->link_params.req_flow_ctrl[idx] =
10406 BNX2X_FLOW_CTRL_NONE;
10407 else
10408 bnx2x_set_requested_fc(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010409 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010410
Merav Sicron51c1a582012-03-18 10:33:38 +000010411 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x advertising 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010412 bp->link_params.req_line_speed[idx],
10413 bp->link_params.req_duplex[idx],
10414 bp->link_params.req_flow_ctrl[idx],
10415 bp->port.advertising[idx]);
10416 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010417}
10418
Bill Pemberton0329aba2012-12-03 09:24:24 -050010419static void bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
Michael Chane665bfd2009-10-10 13:46:54 +000010420{
10421 mac_hi = cpu_to_be16(mac_hi);
10422 mac_lo = cpu_to_be32(mac_lo);
10423 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10424 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10425}
10426
Bill Pemberton0329aba2012-12-03 09:24:24 -050010427static void bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010428{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010429 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010430 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010431 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010432
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010433 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010434 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010435
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010436 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010437 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010438
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010439 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010440 SHMEM_RD(bp,
10441 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010442 bp->link_params.speed_cap_mask[1] =
10443 SHMEM_RD(bp,
10444 dev_info.port_hw_config[port].speed_capability_mask2);
10445 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010446 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10447
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010448 bp->port.link_config[1] =
10449 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010450
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010451 bp->link_params.multi_phy_config =
10452 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010453 /* If the device is capable of WoL, set the default state according
10454 * to the HW
10455 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010456 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010457 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10458 (config & PORT_FEATURE_WOL_ENABLED));
10459
Merav Sicron51c1a582012-03-18 10:33:38 +000010460 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010461 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010462 bp->link_params.speed_cap_mask[0],
10463 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010464
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010465 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010466 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010467 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010468 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010469
10470 bnx2x_link_settings_requested(bp);
10471
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010472 /*
10473 * If connected directly, work with the internal PHY, otherwise, work
10474 * with the external PHY
10475 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010476 ext_phy_config =
10477 SHMEM_RD(bp,
10478 dev_info.port_hw_config[port].external_phy_config);
10479 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010480 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010481 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010482
10483 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10484 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10485 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010486 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010487
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010488 /* Configure link feature according to nvram value */
10489 eee_mode = (((SHMEM_RD(bp, dev_info.
10490 port_feature_config[port].eee_power_mode)) &
10491 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10492 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10493 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10494 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10495 EEE_MODE_ENABLE_LPI |
10496 EEE_MODE_OUTPUT_TIME;
10497 } else {
10498 bp->link_params.eee_mode = 0;
10499 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010500}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010501
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010502void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010503{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010504 u32 no_flags = NO_ISCSI_FLAG;
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010505 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010506 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010507 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010508
Merav Sicron55c11942012-11-07 00:45:48 +000010509 if (!CNIC_SUPPORT(bp)) {
10510 bp->flags |= no_flags;
10511 return;
10512 }
10513
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010514 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010515 bp->cnic_eth_dev.max_iscsi_conn =
10516 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10517 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10518
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010519 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10520 bp->cnic_eth_dev.max_iscsi_conn);
10521
10522 /*
10523 * If maximum allowed number of connections is zero -
10524 * disable the feature.
10525 */
10526 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010527 bp->flags |= no_flags;
Merav Sicron55c11942012-11-07 00:45:48 +000010528
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010529}
10530
Bill Pemberton0329aba2012-12-03 09:24:24 -050010531static void bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010532{
10533 /* Port info */
10534 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10535 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10536 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10537 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10538
10539 /* Node info */
10540 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10541 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10542 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10543 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10544}
Bill Pemberton0329aba2012-12-03 09:24:24 -050010545static void bnx2x_get_fcoe_info(struct bnx2x *bp)
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010546{
10547 int port = BP_PORT(bp);
10548 int func = BP_ABS_FUNC(bp);
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010549 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10550 drv_lic_key[port].max_fcoe_conn);
10551
Merav Sicron55c11942012-11-07 00:45:48 +000010552 if (!CNIC_SUPPORT(bp)) {
10553 bp->flags |= NO_FCOE_FLAG;
10554 return;
10555 }
10556
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010557 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010558 bp->cnic_eth_dev.max_fcoe_conn =
10559 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10560 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10561
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010562 /* Read the WWN: */
10563 if (!IS_MF(bp)) {
10564 /* Port info */
10565 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10566 SHMEM_RD(bp,
10567 dev_info.port_hw_config[port].
10568 fcoe_wwn_port_name_upper);
10569 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10570 SHMEM_RD(bp,
10571 dev_info.port_hw_config[port].
10572 fcoe_wwn_port_name_lower);
10573
10574 /* Node info */
10575 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10576 SHMEM_RD(bp,
10577 dev_info.port_hw_config[port].
10578 fcoe_wwn_node_name_upper);
10579 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10580 SHMEM_RD(bp,
10581 dev_info.port_hw_config[port].
10582 fcoe_wwn_node_name_lower);
10583 } else if (!IS_MF_SD(bp)) {
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010584 /*
10585 * Read the WWN info only if the FCoE feature is enabled for
10586 * this function.
10587 */
Yuval Mintz7b5342d2012-09-11 04:34:14 +000010588 if (BNX2X_MF_EXT_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp))
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010589 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010590
Yuval Mintz382e5132012-12-02 04:05:51 +000010591 } else if (IS_MF_FCOE_SD(bp) && !CHIP_IS_E1x(bp)) {
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010592 bnx2x_get_ext_wwn_info(bp, func);
Yuval Mintz382e5132012-12-02 04:05:51 +000010593 }
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010594
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010595 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010596
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010597 /*
10598 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010599 * disable the feature.
10600 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010601 if (!bp->cnic_eth_dev.max_fcoe_conn)
10602 bp->flags |= NO_FCOE_FLAG;
10603}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010604
Bill Pemberton0329aba2012-12-03 09:24:24 -050010605static void bnx2x_get_cnic_info(struct bnx2x *bp)
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010606{
10607 /*
10608 * iSCSI may be dynamically disabled but reading
10609 * info here we will decrease memory usage by driver
10610 * if the feature is disabled for good
10611 */
10612 bnx2x_get_iscsi_info(bp);
10613 bnx2x_get_fcoe_info(bp);
10614}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010615
Bill Pemberton0329aba2012-12-03 09:24:24 -050010616static void bnx2x_get_cnic_mac_hwinfo(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +000010617{
10618 u32 val, val2;
10619 int func = BP_ABS_FUNC(bp);
10620 int port = BP_PORT(bp);
10621 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10622 u8 *fip_mac = bp->fip_mac;
10623
10624 if (IS_MF(bp)) {
10625 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
10626 * FCoE MAC then the appropriate feature should be disabled.
10627 * In non SD mode features configuration comes from struct
10628 * func_ext_config.
10629 */
10630 if (!IS_MF_SD(bp) && !CHIP_IS_E1x(bp)) {
10631 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10632 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10633 val2 = MF_CFG_RD(bp, func_ext_config[func].
10634 iscsi_mac_addr_upper);
10635 val = MF_CFG_RD(bp, func_ext_config[func].
10636 iscsi_mac_addr_lower);
10637 bnx2x_set_mac_buf(iscsi_mac, val, val2);
10638 BNX2X_DEV_INFO
10639 ("Read iSCSI MAC: %pM\n", iscsi_mac);
10640 } else {
10641 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10642 }
10643
10644 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10645 val2 = MF_CFG_RD(bp, func_ext_config[func].
10646 fcoe_mac_addr_upper);
10647 val = MF_CFG_RD(bp, func_ext_config[func].
10648 fcoe_mac_addr_lower);
10649 bnx2x_set_mac_buf(fip_mac, val, val2);
10650 BNX2X_DEV_INFO
10651 ("Read FCoE L2 MAC: %pM\n", fip_mac);
10652 } else {
10653 bp->flags |= NO_FCOE_FLAG;
10654 }
10655
10656 bp->mf_ext_config = cfg;
10657
10658 } else { /* SD MODE */
10659 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10660 /* use primary mac as iscsi mac */
10661 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
10662
10663 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10664 BNX2X_DEV_INFO
10665 ("Read iSCSI MAC: %pM\n", iscsi_mac);
10666 } else if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
10667 /* use primary mac as fip mac */
10668 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
10669 BNX2X_DEV_INFO("SD FCoE MODE\n");
10670 BNX2X_DEV_INFO
10671 ("Read FIP MAC: %pM\n", fip_mac);
10672 }
10673 }
10674
10675 if (IS_MF_STORAGE_SD(bp))
10676 /* Zero primary MAC configuration */
10677 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10678
10679 if (IS_MF_FCOE_AFEX(bp))
10680 /* use FIP MAC as primary MAC */
10681 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10682
10683 } else {
10684 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10685 iscsi_mac_upper);
10686 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10687 iscsi_mac_lower);
10688 bnx2x_set_mac_buf(iscsi_mac, val, val2);
10689
10690 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10691 fcoe_fip_mac_upper);
10692 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10693 fcoe_fip_mac_lower);
10694 bnx2x_set_mac_buf(fip_mac, val, val2);
10695 }
10696
10697 /* Disable iSCSI OOO if MAC configuration is invalid. */
10698 if (!is_valid_ether_addr(iscsi_mac)) {
10699 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10700 memset(iscsi_mac, 0, ETH_ALEN);
10701 }
10702
10703 /* Disable FCoE if MAC configuration is invalid. */
10704 if (!is_valid_ether_addr(fip_mac)) {
10705 bp->flags |= NO_FCOE_FLAG;
10706 memset(bp->fip_mac, 0, ETH_ALEN);
10707 }
10708}
10709
Bill Pemberton0329aba2012-12-03 09:24:24 -050010710static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010711{
10712 u32 val, val2;
10713 int func = BP_ABS_FUNC(bp);
10714 int port = BP_PORT(bp);
10715
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010716 /* Zero primary MAC configuration */
10717 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10718
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010719 if (BP_NOMCP(bp)) {
10720 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010721 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010722 } else if (IS_MF(bp)) {
10723 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10724 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10725 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10726 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10727 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10728
Merav Sicron55c11942012-11-07 00:45:48 +000010729 if (CNIC_SUPPORT(bp))
10730 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010731 } else {
10732 /* in SF read MACs from port configuration */
10733 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10734 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10735 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10736
Merav Sicron55c11942012-11-07 00:45:48 +000010737 if (CNIC_SUPPORT(bp))
10738 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010739 }
10740
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010741 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10742 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010743
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010744 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010745 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010746 "bad Ethernet MAC address configuration: %pM\n"
10747 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010748 bp->dev->dev_addr);
Yuval Mintz79642112012-12-02 04:05:50 +000010749}
Merav Sicron51c1a582012-03-18 10:33:38 +000010750
Bill Pemberton0329aba2012-12-03 09:24:24 -050010751static bool bnx2x_get_dropless_info(struct bnx2x *bp)
Yuval Mintz79642112012-12-02 04:05:50 +000010752{
10753 int tmp;
10754 u32 cfg;
Merav Sicron51c1a582012-03-18 10:33:38 +000010755
Yuval Mintz79642112012-12-02 04:05:50 +000010756 if (IS_MF(bp) && !CHIP_IS_E1x(bp)) {
10757 /* Take function: tmp = func */
10758 tmp = BP_ABS_FUNC(bp);
10759 cfg = MF_CFG_RD(bp, func_ext_config[tmp].func_cfg);
10760 cfg = !!(cfg & MACP_FUNC_CFG_PAUSE_ON_HOST_RING);
10761 } else {
10762 /* Take port: tmp = port */
10763 tmp = BP_PORT(bp);
10764 cfg = SHMEM_RD(bp,
10765 dev_info.port_hw_config[tmp].generic_features);
10766 cfg = !!(cfg & PORT_HW_CFG_PAUSE_ON_HOST_RING_ENABLED);
10767 }
10768 return cfg;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010769}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010770
Bill Pemberton0329aba2012-12-03 09:24:24 -050010771static int bnx2x_get_hwinfo(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010772{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010773 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010774 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010775 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010776 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010777
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010778 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010779
Ariel Elior6383c0b2011-07-14 08:31:57 +000010780 /*
10781 * initialize IGU parameters
10782 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010783 if (CHIP_IS_E1x(bp)) {
10784 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010785
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010786 bp->igu_dsb_id = DEF_SB_IGU_ID;
10787 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010788 } else {
10789 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010790
10791 /* do not allow device reset during IGU info preocessing */
10792 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10793
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010794 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010795
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010796 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010797 int tout = 5000;
10798
10799 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10800
10801 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10802 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10803 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10804
10805 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10806 tout--;
10807 usleep_range(1000, 1000);
10808 }
10809
10810 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10811 dev_err(&bp->pdev->dev,
10812 "FORCING Normal Mode failed!!!\n");
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010813 bnx2x_release_hw_lock(bp,
10814 HW_LOCK_RESOURCE_RESET);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010815 return -EPERM;
10816 }
10817 }
10818
10819 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10820 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010821 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10822 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010823 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010824
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010825 rc = bnx2x_get_igu_cam_info(bp);
David S. Miller8decf862011-09-22 03:23:13 -040010826 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Barak Witkowski9b341bb2012-12-02 04:05:52 +000010827 if (rc)
10828 return rc;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010829 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010830
10831 /*
10832 * set base FW non-default (fast path) status block id, this value is
10833 * used to initialize the fw_sb_id saved on the fp/queue structure to
10834 * determine the id used by the FW.
10835 */
10836 if (CHIP_IS_E1x(bp))
10837 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10838 else /*
10839 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10840 * the same queue are indicated on the same IGU SB). So we prefer
10841 * FW and IGU SBs to be the same value.
10842 */
10843 bp->base_fw_ndsb = bp->igu_base_sb;
10844
10845 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10846 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10847 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010848
10849 /*
10850 * Initialize MF configuration
10851 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010852
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010853 bp->mf_ov = 0;
10854 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010855 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010856
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010857 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010858 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10859 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10860 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10861
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010862 if (SHMEM2_HAS(bp, mf_cfg_addr))
10863 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10864 else
10865 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010866 offsetof(struct shmem_region, func_mb) +
10867 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010868 /*
10869 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010870 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010871 * 2. MAC address must be legal (check only upper bytes)
10872 * for Switch-Independent mode;
10873 * OVLAN must be legal for Switch-Dependent mode
10874 * 3. SF_MODE configures specific MF mode
10875 */
10876 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10877 /* get mf configuration */
10878 val = SHMEM_RD(bp,
10879 dev_info.shared_feature_config.config);
10880 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010881
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010882 switch (val) {
10883 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10884 val = MF_CFG_RD(bp, func_mf_config[func].
10885 mac_upper);
10886 /* check for legal mac (upper bytes)*/
10887 if (val != 0xffff) {
10888 bp->mf_mode = MULTI_FUNCTION_SI;
10889 bp->mf_config[vn] = MF_CFG_RD(bp,
10890 func_mf_config[func].config);
10891 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010892 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010893 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010894 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10895 if ((!CHIP_IS_E1x(bp)) &&
10896 (MF_CFG_RD(bp, func_mf_config[func].
10897 mac_upper) != 0xffff) &&
10898 (SHMEM2_HAS(bp,
10899 afex_driver_support))) {
10900 bp->mf_mode = MULTI_FUNCTION_AFEX;
10901 bp->mf_config[vn] = MF_CFG_RD(bp,
10902 func_mf_config[func].config);
10903 } else {
10904 BNX2X_DEV_INFO("can not configure afex mode\n");
10905 }
10906 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010907 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10908 /* get OV configuration */
10909 val = MF_CFG_RD(bp,
10910 func_mf_config[FUNC_0].e1hov_tag);
10911 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10912
10913 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10914 bp->mf_mode = MULTI_FUNCTION_SD;
10915 bp->mf_config[vn] = MF_CFG_RD(bp,
10916 func_mf_config[func].config);
10917 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010918 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010919 break;
10920 default:
10921 /* Unknown configuration: reset mf_config */
10922 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010923 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010924 }
10925 }
10926
Eilon Greenstein2691d512009-08-12 08:22:08 +000010927 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010928 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010929
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010930 switch (bp->mf_mode) {
10931 case MULTI_FUNCTION_SD:
10932 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10933 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010934 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010935 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010936 bp->path_has_ovlan = true;
10937
Merav Sicron51c1a582012-03-18 10:33:38 +000010938 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10939 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010940 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010941 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010942 "No valid MF OV for func %d, aborting\n",
10943 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010944 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010945 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010946 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010947 case MULTI_FUNCTION_AFEX:
10948 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10949 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010950 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010951 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10952 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010953 break;
10954 default:
10955 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010956 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010957 "VN %d is in a single function mode, aborting\n",
10958 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010959 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010960 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010961 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010962 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010963
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010964 /* check if other port on the path needs ovlan:
10965 * Since MF configuration is shared between ports
10966 * Possible mixed modes are only
10967 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10968 */
10969 if (CHIP_MODE_IS_4_PORT(bp) &&
10970 !bp->path_has_ovlan &&
10971 !IS_MF(bp) &&
10972 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10973 u8 other_port = !BP_PORT(bp);
10974 u8 other_func = BP_PATH(bp) + 2*other_port;
10975 val = MF_CFG_RD(bp,
10976 func_mf_config[other_func].e1hov_tag);
10977 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10978 bp->path_has_ovlan = true;
10979 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010980 }
10981
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010982 /* adjust igu_sb_cnt to MF for E1x */
10983 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010984 bp->igu_sb_cnt /= E1HVN_MAX;
10985
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010986 /* port info */
10987 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010988
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010989 /* Get MAC addresses */
10990 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010991
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010992 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010993
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010994 return rc;
10995}
10996
Bill Pemberton0329aba2012-12-03 09:24:24 -050010997static void bnx2x_read_fwinfo(struct bnx2x *bp)
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010998{
10999 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011000 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011001 char str_id_reg[VENDOR_ID_LEN+1];
11002 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011003 char *vpd_data;
11004 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011005 u8 len;
11006
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011007 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011008 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
11009
11010 if (cnt < BNX2X_VPD_LEN)
11011 goto out_not_found;
11012
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011013 /* VPD RO tag should be first tag after identifier string, hence
11014 * we should be able to find it in first BNX2X_VPD_LEN chars
11015 */
11016 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011017 PCI_VPD_LRDT_RO_DATA);
11018 if (i < 0)
11019 goto out_not_found;
11020
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011021 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011022 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011023
11024 i += PCI_VPD_LRDT_TAG_SIZE;
11025
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011026 if (block_end > BNX2X_VPD_LEN) {
11027 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
11028 if (vpd_extended_data == NULL)
11029 goto out_not_found;
11030
11031 /* read rest of vpd image into vpd_extended_data */
11032 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
11033 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
11034 block_end - BNX2X_VPD_LEN,
11035 vpd_extended_data + BNX2X_VPD_LEN);
11036 if (cnt < (block_end - BNX2X_VPD_LEN))
11037 goto out_not_found;
11038 vpd_data = vpd_extended_data;
11039 } else
11040 vpd_data = vpd_start;
11041
11042 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011043
11044 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
11045 PCI_VPD_RO_KEYWORD_MFR_ID);
11046 if (rodi < 0)
11047 goto out_not_found;
11048
11049 len = pci_vpd_info_field_size(&vpd_data[rodi]);
11050
11051 if (len != VENDOR_ID_LEN)
11052 goto out_not_found;
11053
11054 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
11055
11056 /* vendor specific info */
11057 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
11058 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
11059 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
11060 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
11061
11062 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
11063 PCI_VPD_RO_KEYWORD_VENDOR0);
11064 if (rodi >= 0) {
11065 len = pci_vpd_info_field_size(&vpd_data[rodi]);
11066
11067 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
11068
11069 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
11070 memcpy(bp->fw_ver, &vpd_data[rodi], len);
11071 bp->fw_ver[len] = ' ';
11072 }
11073 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011074 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011075 return;
11076 }
11077out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000011078 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011079 return;
11080}
11081
Bill Pemberton0329aba2012-12-03 09:24:24 -050011082static void bnx2x_set_modes_bitmap(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011083{
11084 u32 flags = 0;
11085
11086 if (CHIP_REV_IS_FPGA(bp))
11087 SET_FLAGS(flags, MODE_FPGA);
11088 else if (CHIP_REV_IS_EMUL(bp))
11089 SET_FLAGS(flags, MODE_EMUL);
11090 else
11091 SET_FLAGS(flags, MODE_ASIC);
11092
11093 if (CHIP_MODE_IS_4_PORT(bp))
11094 SET_FLAGS(flags, MODE_PORT4);
11095 else
11096 SET_FLAGS(flags, MODE_PORT2);
11097
11098 if (CHIP_IS_E2(bp))
11099 SET_FLAGS(flags, MODE_E2);
11100 else if (CHIP_IS_E3(bp)) {
11101 SET_FLAGS(flags, MODE_E3);
11102 if (CHIP_REV(bp) == CHIP_REV_Ax)
11103 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011104 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
11105 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011106 }
11107
11108 if (IS_MF(bp)) {
11109 SET_FLAGS(flags, MODE_MF);
11110 switch (bp->mf_mode) {
11111 case MULTI_FUNCTION_SD:
11112 SET_FLAGS(flags, MODE_MF_SD);
11113 break;
11114 case MULTI_FUNCTION_SI:
11115 SET_FLAGS(flags, MODE_MF_SI);
11116 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011117 case MULTI_FUNCTION_AFEX:
11118 SET_FLAGS(flags, MODE_MF_AFEX);
11119 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011120 }
11121 } else
11122 SET_FLAGS(flags, MODE_SF);
11123
11124#if defined(__LITTLE_ENDIAN)
11125 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
11126#else /*(__BIG_ENDIAN)*/
11127 SET_FLAGS(flags, MODE_BIG_ENDIAN);
11128#endif
11129 INIT_MODE_FLAGS(bp) = flags;
11130}
11131
Bill Pemberton0329aba2012-12-03 09:24:24 -050011132static int bnx2x_init_bp(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011133{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011134 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011135 int rc;
11136
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011137 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070011138 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070011139 spin_lock_init(&bp->stats_lock);
Merav Sicron55c11942012-11-07 00:45:48 +000011140
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011141
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011142 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000011143 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011144 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Ariel Elior1ab44342013-01-01 05:22:23 +000011145 if (IS_PF(bp)) {
11146 rc = bnx2x_get_hwinfo(bp);
11147 if (rc)
11148 return rc;
11149 } else {
11150 random_ether_addr(bp->dev->dev_addr);
11151 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011152
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011153 bnx2x_set_modes_bitmap(bp);
11154
11155 rc = bnx2x_alloc_mem_bp(bp);
11156 if (rc)
11157 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011158
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011159 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011160
11161 func = BP_FUNC(bp);
11162
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011163 /* need to reset chip if undi was active */
Ariel Elior1ab44342013-01-01 05:22:23 +000011164 if (IS_PF(bp) && !BP_NOMCP(bp)) {
Yuval Mintz452427b2012-03-26 20:47:07 +000011165 /* init fw_seq */
11166 bp->fw_seq =
11167 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
11168 DRV_MSG_SEQ_NUMBER_MASK;
11169 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
11170
11171 bnx2x_prev_unload(bp);
11172 }
11173
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011174
11175 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011176 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011177
11178 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000011179 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011180
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011181 bp->disable_tpa = disable_tpa;
Barak Witkowskia3348722012-04-23 03:04:46 +000011182 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011183
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011184 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011185 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011186 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011187 bp->dev->features &= ~NETIF_F_LRO;
11188 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011189 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011190 bp->dev->features |= NETIF_F_LRO;
11191 }
11192
Eilon Greensteina18f5122009-08-12 08:23:26 +000011193 if (CHIP_IS_E1(bp))
11194 bp->dropless_fc = 0;
11195 else
Yuval Mintz79642112012-12-02 04:05:50 +000011196 bp->dropless_fc = dropless_fc | bnx2x_get_dropless_info(bp);
Eilon Greensteina18f5122009-08-12 08:23:26 +000011197
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000011198 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011199
Barak Witkowskia3348722012-04-23 03:04:46 +000011200 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Ariel Elior1ab44342013-01-01 05:22:23 +000011201 if (IS_VF(bp))
11202 bp->rx_ring_size = MAX_RX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011203
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000011204 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011205 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
11206 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011207
Michal Schmidtfc543632012-02-14 09:05:46 +000011208 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011209
11210 init_timer(&bp->timer);
11211 bp->timer.expires = jiffies + bp->current_interval;
11212 bp->timer.data = (unsigned long) bp;
11213 bp->timer.function = bnx2x_timer;
11214
Barak Witkowski0370cf92012-12-02 04:05:55 +000011215 if (SHMEM2_HAS(bp, dcbx_lldp_params_offset) &&
11216 SHMEM2_HAS(bp, dcbx_lldp_dcbx_stat_offset) &&
11217 SHMEM2_RD(bp, dcbx_lldp_params_offset) &&
11218 SHMEM2_RD(bp, dcbx_lldp_dcbx_stat_offset)) {
11219 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
11220 bnx2x_dcbx_init_params(bp);
11221 } else {
11222 bnx2x_dcbx_set_state(bp, false, BNX2X_DCBX_ENABLED_OFF);
11223 }
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000011224
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011225 if (CHIP_IS_E1x(bp))
11226 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
11227 else
11228 bp->cnic_base_cl_id = FP_SB_MAX_E2;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011229
Ariel Elior6383c0b2011-07-14 08:31:57 +000011230 /* multiple tx priority */
Ariel Elior1ab44342013-01-01 05:22:23 +000011231 if (IS_VF(bp))
11232 bp->max_cos = 1;
11233 else if (CHIP_IS_E1x(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011234 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
Ariel Elior1ab44342013-01-01 05:22:23 +000011235 else if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011236 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
Ariel Elior1ab44342013-01-01 05:22:23 +000011237 else if (CHIP_IS_E3B0(bp))
Ariel Elior6383c0b2011-07-14 08:31:57 +000011238 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
Ariel Elior1ab44342013-01-01 05:22:23 +000011239 else
11240 BNX2X_ERR("unknown chip %x revision %x\n",
11241 CHIP_NUM(bp), CHIP_REV(bp));
11242 BNX2X_DEV_INFO("set bp->max_cos to %d\n", bp->max_cos);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011243
Merav Sicron55c11942012-11-07 00:45:48 +000011244 /* We need at least one default status block for slow-path events,
11245 * second status block for the L2 queue, and a third status block for
11246 * CNIC if supproted.
11247 */
11248 if (CNIC_SUPPORT(bp))
11249 bp->min_msix_vec_cnt = 3;
11250 else
11251 bp->min_msix_vec_cnt = 2;
11252 BNX2X_DEV_INFO("bp->min_msix_vec_cnt %d", bp->min_msix_vec_cnt);
11253
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011254 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011255}
11256
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011257
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011258/****************************************************************************
11259* General service functions
11260****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011261
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011262/*
11263 * net_device service functions
11264 */
11265
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011266/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011267static int bnx2x_open(struct net_device *dev)
11268{
11269 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011270 bool global = false;
11271 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000011272 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011273
Mintz Yuval1355b702012-02-15 02:10:22 +000011274 bp->stats_init = true;
11275
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000011276 netif_carrier_off(dev);
11277
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011278 bnx2x_set_power_state(bp, PCI_D0);
11279
Ariel Eliorad5afc82013-01-01 05:22:26 +000011280 /* If parity had happen during the unload, then attentions
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011281 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
11282 * want the first function loaded on the current engine to
11283 * complete the recovery.
Ariel Eliorad5afc82013-01-01 05:22:26 +000011284 * Parity recovery is only relevant for PF driver.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011285 */
Ariel Eliorad5afc82013-01-01 05:22:26 +000011286 if (IS_PF(bp)) {
11287 other_load_status = bnx2x_get_load_status(bp, other_engine);
11288 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
11289 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
11290 bnx2x_chk_parity_attn(bp, &global, true)) {
11291 do {
11292 /* If there are attentions and they are in a
11293 * global blocks, set the GLOBAL_RESET bit
11294 * regardless whether it will be this function
11295 * that will complete the recovery or not.
11296 */
11297 if (global)
11298 bnx2x_set_reset_global(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011299
Ariel Eliorad5afc82013-01-01 05:22:26 +000011300 /* Only the first function on the current
11301 * engine should try to recover in open. In case
11302 * of attentions in global blocks only the first
11303 * in the chip should try to recover.
11304 */
11305 if ((!load_status &&
11306 (!global || !other_load_status)) &&
11307 bnx2x_trylock_leader_lock(bp) &&
11308 !bnx2x_leader_reset(bp)) {
11309 netdev_info(bp->dev,
11310 "Recovered in open\n");
11311 break;
11312 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011313
Ariel Eliorad5afc82013-01-01 05:22:26 +000011314 /* recovery has failed... */
11315 bnx2x_set_power_state(bp, PCI_D3hot);
11316 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011317
Ariel Eliorad5afc82013-01-01 05:22:26 +000011318 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
11319 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011320
Ariel Eliorad5afc82013-01-01 05:22:26 +000011321 return -EAGAIN;
11322 } while (0);
11323 }
11324 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011325
11326 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011327 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011328}
11329
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011330/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000011331static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011332{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011333 struct bnx2x *bp = netdev_priv(dev);
11334
11335 /* Unload the driver, release IRQs */
Yuval Mintz5d07d862012-09-13 02:56:21 +000011336 bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011337
11338 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011339 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011340
11341 return 0;
11342}
11343
Eric Dumazet1191cb82012-04-27 21:39:21 +000011344static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11345 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011346{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011347 int mc_count = netdev_mc_count(bp->dev);
11348 struct bnx2x_mcast_list_elem *mc_mac =
11349 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011350 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011351
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011352 if (!mc_mac)
11353 return -ENOMEM;
11354
11355 INIT_LIST_HEAD(&p->mcast_list);
11356
11357 netdev_for_each_mc_addr(ha, bp->dev) {
11358 mc_mac->mac = bnx2x_mc_addr(ha);
11359 list_add_tail(&mc_mac->link, &p->mcast_list);
11360 mc_mac++;
11361 }
11362
11363 p->mcast_list_len = mc_count;
11364
11365 return 0;
11366}
11367
Eric Dumazet1191cb82012-04-27 21:39:21 +000011368static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011369 struct bnx2x_mcast_ramrod_params *p)
11370{
11371 struct bnx2x_mcast_list_elem *mc_mac =
11372 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11373 link);
11374
11375 WARN_ON(!mc_mac);
11376 kfree(mc_mac);
11377}
11378
11379/**
11380 * bnx2x_set_uc_list - configure a new unicast MACs list.
11381 *
11382 * @bp: driver handle
11383 *
11384 * We will use zero (0) as a MAC type for these MACs.
11385 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011386static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011387{
11388 int rc;
11389 struct net_device *dev = bp->dev;
11390 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011391 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011392 unsigned long ramrod_flags = 0;
11393
11394 /* First schedule a cleanup up of old configuration */
11395 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11396 if (rc < 0) {
11397 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11398 return rc;
11399 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011400
11401 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011402 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11403 BNX2X_UC_LIST_MAC, &ramrod_flags);
Yuval Mintz7b5342d2012-09-11 04:34:14 +000011404 if (rc == -EEXIST) {
11405 DP(BNX2X_MSG_SP,
11406 "Failed to schedule ADD operations: %d\n", rc);
11407 /* do not treat adding same MAC as error */
11408 rc = 0;
11409
11410 } else if (rc < 0) {
11411
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011412 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11413 rc);
11414 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011415 }
11416 }
11417
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011418 /* Execute the pending commands */
11419 __set_bit(RAMROD_CONT, &ramrod_flags);
11420 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11421 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011422}
11423
Eric Dumazet1191cb82012-04-27 21:39:21 +000011424static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011425{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011426 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011427 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011428 int rc = 0;
11429
11430 rparam.mcast_obj = &bp->mcast_obj;
11431
11432 /* first, clear all configured multicast MACs */
11433 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11434 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011435 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011436 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011437 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011438
11439 /* then, configure a new MACs list */
11440 if (netdev_mc_count(dev)) {
11441 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11442 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011443 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11444 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011445 return rc;
11446 }
11447
11448 /* Now add the new MACs */
11449 rc = bnx2x_config_mcast(bp, &rparam,
11450 BNX2X_MCAST_CMD_ADD);
11451 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011452 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11453 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011454
11455 bnx2x_free_mcast_macs_list(&rparam);
11456 }
11457
11458 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011459}
11460
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011461
11462/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011463void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011464{
11465 struct bnx2x *bp = netdev_priv(dev);
11466 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011467
11468 if (bp->state != BNX2X_STATE_OPEN) {
11469 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11470 return;
11471 }
11472
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011473 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011474
11475 if (dev->flags & IFF_PROMISC)
11476 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011477 else if ((dev->flags & IFF_ALLMULTI) ||
11478 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11479 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011480 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011481 else {
11482 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011483 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011484 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011485
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011486 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011487 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011488 }
11489
11490 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011491 /* handle ISCSI SD mode */
11492 if (IS_MF_ISCSI_SD(bp))
11493 bp->rx_mode = BNX2X_RX_MODE_NONE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011494
11495 /* Schedule the rx_mode command */
11496 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11497 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11498 return;
11499 }
11500
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011501 bnx2x_set_storm_rx_mode(bp);
11502}
11503
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011504/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011505static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11506 int devad, u16 addr)
11507{
11508 struct bnx2x *bp = netdev_priv(netdev);
11509 u16 value;
11510 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011511
11512 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11513 prtad, devad, addr);
11514
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011515 /* The HW expects different devad if CL22 is used */
11516 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11517
11518 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011519 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011520 bnx2x_release_phy_lock(bp);
11521 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11522
11523 if (!rc)
11524 rc = value;
11525 return rc;
11526}
11527
11528/* called with rtnl_lock */
11529static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11530 u16 addr, u16 value)
11531{
11532 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011533 int rc;
11534
Merav Sicron51c1a582012-03-18 10:33:38 +000011535 DP(NETIF_MSG_LINK,
11536 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11537 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011538
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011539 /* The HW expects different devad if CL22 is used */
11540 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11541
11542 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011543 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011544 bnx2x_release_phy_lock(bp);
11545 return rc;
11546}
11547
11548/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011549static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11550{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011551 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011552 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011553
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011554 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11555 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011556
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011557 if (!netif_running(dev))
11558 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011559
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011560 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011561}
11562
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011563#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011564static void poll_bnx2x(struct net_device *dev)
11565{
11566 struct bnx2x *bp = netdev_priv(dev);
Merav Sicron14a15d62012-08-27 03:26:20 +000011567 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011568
Merav Sicron14a15d62012-08-27 03:26:20 +000011569 for_each_eth_queue(bp, i) {
11570 struct bnx2x_fastpath *fp = &bp->fp[i];
11571 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
11572 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011573}
11574#endif
11575
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011576static int bnx2x_validate_addr(struct net_device *dev)
11577{
11578 struct bnx2x *bp = netdev_priv(dev);
11579
Merav Sicron51c1a582012-03-18 10:33:38 +000011580 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11581 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011582 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011583 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011584 return 0;
11585}
11586
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011587static const struct net_device_ops bnx2x_netdev_ops = {
11588 .ndo_open = bnx2x_open,
11589 .ndo_stop = bnx2x_close,
11590 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011591 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011592 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011593 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011594 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011595 .ndo_do_ioctl = bnx2x_ioctl,
11596 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011597 .ndo_fix_features = bnx2x_fix_features,
11598 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011599 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011600#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011601 .ndo_poll_controller = poll_bnx2x,
11602#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011603 .ndo_setup_tc = bnx2x_setup_tc,
11604
Merav Sicron55c11942012-11-07 00:45:48 +000011605#ifdef NETDEV_FCOE_WWNN
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011606 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11607#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011608};
11609
Eric Dumazet1191cb82012-04-27 21:39:21 +000011610static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011611{
11612 struct device *dev = &bp->pdev->dev;
11613
11614 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11615 bp->flags |= USING_DAC_FLAG;
11616 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011617 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011618 return -EIO;
11619 }
11620 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11621 dev_err(dev, "System does not support DMA, aborting\n");
11622 return -EIO;
11623 }
11624
11625 return 0;
11626}
11627
Ariel Elior1ab44342013-01-01 05:22:23 +000011628static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
11629 struct net_device *dev, unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011630{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011631 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011632 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011633 bool chip_is_e1x = (board_type == BCM57710 ||
11634 board_type == BCM57711 ||
11635 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011636
11637 SET_NETDEV_DEV(dev, &pdev->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011638
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011639 bp->dev = dev;
11640 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011641
11642 rc = pci_enable_device(pdev);
11643 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011644 dev_err(&bp->pdev->dev,
11645 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011646 goto err_out;
11647 }
11648
11649 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011650 dev_err(&bp->pdev->dev,
11651 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011652 rc = -ENODEV;
11653 goto err_out_disable;
11654 }
11655
Ariel Elior1ab44342013-01-01 05:22:23 +000011656 if (IS_PF(bp) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
11657 dev_err(&bp->pdev->dev, "Cannot find second PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011658 rc = -ENODEV;
11659 goto err_out_disable;
11660 }
11661
Yaniv Rosner092a5fc2012-12-02 23:56:49 +000011662 pci_read_config_dword(pdev, PCICFG_REVISION_ID_OFFSET, &pci_cfg_dword);
11663 if ((pci_cfg_dword & PCICFG_REVESION_ID_MASK) ==
11664 PCICFG_REVESION_ID_ERROR_VAL) {
11665 pr_err("PCI device error, probably due to fan failure, aborting\n");
11666 rc = -ENODEV;
11667 goto err_out_disable;
11668 }
11669
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011670 if (atomic_read(&pdev->enable_cnt) == 1) {
11671 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11672 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011673 dev_err(&bp->pdev->dev,
11674 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011675 goto err_out_disable;
11676 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011677
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011678 pci_set_master(pdev);
11679 pci_save_state(pdev);
11680 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011681
Ariel Elior1ab44342013-01-01 05:22:23 +000011682 if (IS_PF(bp)) {
11683 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11684 if (bp->pm_cap == 0) {
11685 dev_err(&bp->pdev->dev,
11686 "Cannot find power management capability, aborting\n");
11687 rc = -EIO;
11688 goto err_out_release;
11689 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011690 }
11691
Jon Mason77c98e62011-06-27 07:45:12 +000011692 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011693 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011694 rc = -EIO;
11695 goto err_out_release;
11696 }
11697
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011698 rc = bnx2x_set_coherency_mask(bp);
11699 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011700 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011701
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011702 dev->mem_start = pci_resource_start(pdev, 0);
11703 dev->base_addr = dev->mem_start;
11704 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011705
11706 dev->irq = pdev->irq;
11707
Arjan van de Ven275f1652008-10-20 21:42:39 -070011708 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011709 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011710 dev_err(&bp->pdev->dev,
11711 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011712 rc = -ENOMEM;
11713 goto err_out_release;
11714 }
11715
Ariel Eliorc22610d02012-01-26 06:01:47 +000011716 /* In E1/E1H use pci device function given by kernel.
11717 * In E2/E3 read physical function from ME register since these chips
11718 * support Physical Device Assignment where kernel BDF maybe arbitrary
11719 * (depending on hypervisor).
11720 */
11721 if (chip_is_e1x)
11722 bp->pf_num = PCI_FUNC(pdev->devfn);
11723 else {/* chip is E2/3*/
11724 pci_read_config_dword(bp->pdev,
11725 PCICFG_ME_REGISTER, &pci_cfg_dword);
11726 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11727 ME_REG_ABS_PF_NUM_SHIFT);
11728 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011729 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011730
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011731 bnx2x_set_power_state(bp, PCI_D0);
11732
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011733 /* clean indirect addresses */
11734 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11735 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011736 /*
11737 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011738 * is not used by the driver.
11739 */
Ariel Elior1ab44342013-01-01 05:22:23 +000011740 if (IS_PF(bp)) {
11741 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11742 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11743 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11744 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011745
Ariel Elior1ab44342013-01-01 05:22:23 +000011746 if (chip_is_e1x) {
11747 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11748 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11749 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11750 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11751 }
11752
11753 /* Enable internal target-read (in case we are probed after PF
11754 * FLR). Must be done prior to any BAR read access. Only for
11755 * 57712 and up
11756 */
11757 if (!chip_is_e1x)
11758 REG_WR(bp,
11759 PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
David S. Miller8decf862011-09-22 03:23:13 -040011760 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011761
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011762 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011763
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011764 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011765 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011766
Jiri Pirko01789342011-08-16 06:29:00 +000011767 dev->priv_flags |= IFF_UNICAST_FLT;
11768
Michał Mirosław66371c42011-04-12 09:38:23 +000011769 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011770 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11771 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11772 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011773
11774 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11775 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11776
11777 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011778 if (bp->flags & USING_DAC_FLAG)
11779 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011780
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011781 /* Add Loopback capability to the device */
11782 dev->hw_features |= NETIF_F_LOOPBACK;
11783
Shmulik Ravid98507672011-02-28 12:19:55 -080011784#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011785 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11786#endif
11787
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011788 /* get_port_hwinfo() will set prtad and mmds properly */
11789 bp->mdio.prtad = MDIO_PRTAD_NONE;
11790 bp->mdio.mmds = 0;
11791 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11792 bp->mdio.dev = dev;
11793 bp->mdio.mdio_read = bnx2x_mdio_read;
11794 bp->mdio.mdio_write = bnx2x_mdio_write;
11795
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011796 return 0;
11797
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011798err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011799 if (atomic_read(&pdev->enable_cnt) == 1)
11800 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011801
11802err_out_disable:
11803 pci_disable_device(pdev);
11804 pci_set_drvdata(pdev, NULL);
11805
11806err_out:
11807 return rc;
11808}
11809
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +000011810static void bnx2x_get_pcie_width_speed(struct bnx2x *bp, int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011811{
Ariel Elior1ab44342013-01-01 05:22:23 +000011812 u32 val = 0;
Eliezer Tamir25047952008-02-28 11:50:16 -080011813
Ariel Elior1ab44342013-01-01 05:22:23 +000011814 pci_read_config_dword(bp->pdev, PCICFG_LINK_CONTROL, &val);
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011815 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11816
11817 /* return value of 1=2.5GHz 2=5GHz */
11818 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011819}
11820
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011821static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011822{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011823 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011824 struct bnx2x_fw_file_hdr *fw_hdr;
11825 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011826 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011827 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011828 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011829 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011830
Merav Sicron51c1a582012-03-18 10:33:38 +000011831 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11832 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011833 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011834 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011835
11836 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11837 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11838
11839 /* Make sure none of the offsets and sizes make us read beyond
11840 * the end of the firmware data */
11841 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11842 offset = be32_to_cpu(sections[i].offset);
11843 len = be32_to_cpu(sections[i].len);
11844 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011845 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011846 return -EINVAL;
11847 }
11848 }
11849
11850 /* Likewise for the init_ops offsets */
11851 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11852 ops_offsets = (u16 *)(firmware->data + offset);
11853 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11854
11855 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11856 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011857 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011858 return -EINVAL;
11859 }
11860 }
11861
11862 /* Check FW version */
11863 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11864 fw_ver = firmware->data + offset;
11865 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11866 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11867 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11868 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011869 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11870 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11871 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011872 BCM_5710_FW_MINOR_VERSION,
11873 BCM_5710_FW_REVISION_VERSION,
11874 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011875 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011876 }
11877
11878 return 0;
11879}
11880
Eric Dumazet1191cb82012-04-27 21:39:21 +000011881static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011882{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011883 const __be32 *source = (const __be32 *)_source;
11884 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011885 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011886
11887 for (i = 0; i < n/4; i++)
11888 target[i] = be32_to_cpu(source[i]);
11889}
11890
11891/*
11892 Ops array is stored in the following format:
11893 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11894 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011895static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011896{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011897 const __be32 *source = (const __be32 *)_source;
11898 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011899 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011900
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011901 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011902 tmp = be32_to_cpu(source[j]);
11903 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011904 target[i].offset = tmp & 0xffffff;
11905 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011906 }
11907}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011908
Ben Hutchings1aa8b472012-07-10 10:56:59 +000011909/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011910 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11911 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011912static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011913{
11914 const __be32 *source = (const __be32 *)_source;
11915 struct iro *target = (struct iro *)_target;
11916 u32 i, j, tmp;
11917
11918 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11919 target[i].base = be32_to_cpu(source[j]);
11920 j++;
11921 tmp = be32_to_cpu(source[j]);
11922 target[i].m1 = (tmp >> 16) & 0xffff;
11923 target[i].m2 = tmp & 0xffff;
11924 j++;
11925 tmp = be32_to_cpu(source[j]);
11926 target[i].m3 = (tmp >> 16) & 0xffff;
11927 target[i].size = tmp & 0xffff;
11928 j++;
11929 }
11930}
11931
Eric Dumazet1191cb82012-04-27 21:39:21 +000011932static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011933{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011934 const __be16 *source = (const __be16 *)_source;
11935 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011936 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011937
11938 for (i = 0; i < n/2; i++)
11939 target[i] = be16_to_cpu(source[i]);
11940}
11941
Joe Perches7995c642010-02-17 15:01:52 +000011942#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11943do { \
11944 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11945 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011946 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011947 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011948 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11949 (u8 *)bp->arr, len); \
11950} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011951
Yuval Mintz3b603062012-03-18 10:33:39 +000011952static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011953{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011954 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011955 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011956 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011957
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011958 if (bp->firmware)
11959 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011960
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011961 if (CHIP_IS_E1(bp))
11962 fw_file_name = FW_FILE_NAME_E1;
11963 else if (CHIP_IS_E1H(bp))
11964 fw_file_name = FW_FILE_NAME_E1H;
11965 else if (!CHIP_IS_E1x(bp))
11966 fw_file_name = FW_FILE_NAME_E2;
11967 else {
11968 BNX2X_ERR("Unsupported chip revision\n");
11969 return -EINVAL;
11970 }
11971 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011972
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011973 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11974 if (rc) {
11975 BNX2X_ERR("Can't load firmware file %s\n",
11976 fw_file_name);
11977 goto request_firmware_exit;
11978 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011979
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011980 rc = bnx2x_check_firmware(bp);
11981 if (rc) {
11982 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11983 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011984 }
11985
11986 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11987
11988 /* Initialize the pointers to the init arrays */
11989 /* Blob */
11990 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11991
11992 /* Opcodes */
11993 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11994
11995 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011996 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11997 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011998
11999 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000012000 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12001 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
12002 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
12003 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
12004 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12005 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
12006 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
12007 be32_to_cpu(fw_hdr->usem_pram_data.offset);
12008 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12009 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
12010 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
12011 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
12012 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
12013 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
12014 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
12015 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012016 /* IRO */
12017 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012018
12019 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000012020
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012021iro_alloc_err:
12022 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012023init_offsets_alloc_err:
12024 kfree(bp->init_ops);
12025init_ops_alloc_err:
12026 kfree(bp->init_data);
12027request_firmware_exit:
12028 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000012029 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012030
12031 return rc;
12032}
12033
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012034static void bnx2x_release_firmware(struct bnx2x *bp)
12035{
12036 kfree(bp->init_ops_offsets);
12037 kfree(bp->init_ops);
12038 kfree(bp->init_data);
12039 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012040 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012041}
12042
12043
12044static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
12045 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
12046 .init_hw_cmn = bnx2x_init_hw_common,
12047 .init_hw_port = bnx2x_init_hw_port,
12048 .init_hw_func = bnx2x_init_hw_func,
12049
12050 .reset_hw_cmn = bnx2x_reset_common,
12051 .reset_hw_port = bnx2x_reset_port,
12052 .reset_hw_func = bnx2x_reset_func,
12053
12054 .gunzip_init = bnx2x_gunzip_init,
12055 .gunzip_end = bnx2x_gunzip_end,
12056
12057 .init_fw = bnx2x_init_firmware,
12058 .release_fw = bnx2x_release_firmware,
12059};
12060
12061void bnx2x__init_func_obj(struct bnx2x *bp)
12062{
12063 /* Prepare DMAE related driver resources */
12064 bnx2x_setup_dmae(bp);
12065
12066 bnx2x_init_func_obj(bp, &bp->func_obj,
12067 bnx2x_sp(bp, func_rdata),
12068 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000012069 bnx2x_sp(bp, func_afex_rdata),
12070 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012071 &bnx2x_func_sp_drv);
12072}
12073
12074/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012075static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012076{
Merav Sicron37ae41a2012-06-19 07:48:27 +000012077 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012078
Merav Sicron55c11942012-11-07 00:45:48 +000012079 if (CNIC_SUPPORT(bp))
12080 cid_count += CNIC_CID_MAX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012081 return roundup(cid_count, QM_CID_ROUND);
12082}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012083
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012084/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000012085 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012086 *
12087 * @dev: pci device
12088 *
12089 */
Merav Sicron55c11942012-11-07 00:45:48 +000012090static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev,
Ariel Elior1ab44342013-01-01 05:22:23 +000012091 int cnic_cnt, bool is_vf)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012092{
Ariel Elior1ab44342013-01-01 05:22:23 +000012093 int pos, index;
12094 u16 control = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012095
12096 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012097
Ariel Elior6383c0b2011-07-14 08:31:57 +000012098 /*
12099 * If MSI-X is not supported - return number of SBs needed to support
12100 * one fast path queue: one FP queue + SB for CNIC
12101 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012102 if (!pos) {
12103 dev_info(&pdev->dev, "no msix capability found\n");
Merav Sicron55c11942012-11-07 00:45:48 +000012104 return 1 + cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000012105 }
12106 dev_info(&pdev->dev, "msix capability found\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +000012107
12108 /*
12109 * The value in the PCI configuration space is the index of the last
12110 * entry, namely one less than the actual size of the table, which is
12111 * exactly what we want to return from this function: number of all SBs
12112 * without the default SB.
Ariel Elior1ab44342013-01-01 05:22:23 +000012113 * For VFs there is no default SB, then we return (index+1).
Ariel Elior6383c0b2011-07-14 08:31:57 +000012114 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012115 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior1ab44342013-01-01 05:22:23 +000012116
12117 index = control & PCI_MSIX_FLAGS_QSIZE;
12118
12119 return is_vf ? index + 1 : index;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012120}
12121
Ariel Elior1ab44342013-01-01 05:22:23 +000012122static int set_max_cos_est(int chip_id)
12123{
12124 switch (chip_id) {
12125 case BCM57710:
12126 case BCM57711:
12127 case BCM57711E:
12128 return BNX2X_MULTI_TX_COS_E1X;
12129 case BCM57712:
12130 case BCM57712_MF:
12131 case BCM57712_VF:
12132 return BNX2X_MULTI_TX_COS_E2_E3A0;
12133 case BCM57800:
12134 case BCM57800_MF:
12135 case BCM57800_VF:
12136 case BCM57810:
12137 case BCM57810_MF:
12138 case BCM57840_4_10:
12139 case BCM57840_2_20:
12140 case BCM57840_O:
12141 case BCM57840_MFO:
12142 case BCM57810_VF:
12143 case BCM57840_MF:
12144 case BCM57840_VF:
12145 case BCM57811:
12146 case BCM57811_MF:
12147 case BCM57811_VF:
12148 return BNX2X_MULTI_TX_COS_E3B0;
12149 return 1;
12150 default:
12151 pr_err("Unknown board_type (%d), aborting\n", chip_id);
12152 return -ENODEV;
12153 }
12154}
Michael Chan4bd9b0ff2012-12-06 10:33:12 +000012155
Ariel Elior1ab44342013-01-01 05:22:23 +000012156static int set_is_vf(int chip_id)
12157{
12158 switch (chip_id) {
12159 case BCM57712_VF:
12160 case BCM57800_VF:
12161 case BCM57810_VF:
12162 case BCM57840_VF:
12163 case BCM57811_VF:
12164 return true;
12165 default:
12166 return false;
12167 }
12168}
12169
12170struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
12171
12172static int bnx2x_init_one(struct pci_dev *pdev,
12173 const struct pci_device_id *ent)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012174{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012175 struct net_device *dev = NULL;
12176 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012177 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012178 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000012179 int rx_count, tx_count, rss_count, doorbell_size;
Ariel Elior1ab44342013-01-01 05:22:23 +000012180 int max_cos_est;
12181 bool is_vf;
Merav Sicron55c11942012-11-07 00:45:48 +000012182 int cnic_cnt;
Ariel Elior1ab44342013-01-01 05:22:23 +000012183
12184 /* An estimated maximum supported CoS number according to the chip
Ariel Elior6383c0b2011-07-14 08:31:57 +000012185 * version.
12186 * We will try to roughly estimate the maximum number of CoSes this chip
12187 * may support in order to minimize the memory allocated for Tx
12188 * netdev_queue's. This number will be accurately calculated during the
12189 * initialization of bp->max_cos based on the chip versions AND chip
12190 * revision in the bnx2x_init_bp().
12191 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012192 max_cos_est = set_max_cos_est(ent->driver_data);
12193 if (max_cos_est < 0)
12194 return max_cos_est;
12195 is_vf = set_is_vf(ent->driver_data);
12196 cnic_cnt = is_vf ? 0 : 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012197
Ariel Elior1ab44342013-01-01 05:22:23 +000012198 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev, cnic_cnt, is_vf);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012199
12200 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
Ariel Elior1ab44342013-01-01 05:22:23 +000012201 rss_count = is_vf ? 1 : max_non_def_sbs - cnic_cnt;
12202
12203 if (rss_count < 1)
12204 return -EINVAL;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012205
12206 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
Merav Sicron55c11942012-11-07 00:45:48 +000012207 rx_count = rss_count + cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012208
Ariel Elior1ab44342013-01-01 05:22:23 +000012209 /* Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000012210 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000012211 */
Merav Sicron55c11942012-11-07 00:45:48 +000012212 tx_count = rss_count * max_cos_est + cnic_cnt;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012213
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012214 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012215 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000012216 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012217 return -ENOMEM;
12218
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012219 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012220
Ariel Elior1ab44342013-01-01 05:22:23 +000012221 bp->flags = 0;
12222 if (is_vf)
12223 bp->flags |= IS_VF_FLAG;
12224
Ariel Elior6383c0b2011-07-14 08:31:57 +000012225 bp->igu_sb_cnt = max_non_def_sbs;
Ariel Elior1ab44342013-01-01 05:22:23 +000012226 bp->igu_base_addr = IS_VF(bp) ? PXP_VF_ADDR_IGU_START : BAR_IGU_INTMEM;
Joe Perches7995c642010-02-17 15:01:52 +000012227 bp->msg_enable = debug;
Merav Sicron55c11942012-11-07 00:45:48 +000012228 bp->cnic_support = cnic_cnt;
Michael Chan4bd9b0ff2012-12-06 10:33:12 +000012229 bp->cnic_probe = bnx2x_cnic_probe;
Merav Sicron55c11942012-11-07 00:45:48 +000012230
Eilon Greensteindf4770de2009-08-12 08:23:28 +000012231 pci_set_drvdata(pdev, dev);
12232
Ariel Elior1ab44342013-01-01 05:22:23 +000012233 rc = bnx2x_init_dev(bp, pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012234 if (rc < 0) {
12235 free_netdev(dev);
12236 return rc;
12237 }
12238
Ariel Elior1ab44342013-01-01 05:22:23 +000012239 BNX2X_DEV_INFO("This is a %s function\n",
12240 IS_PF(bp) ? "physical" : "virtual");
Merav Sicron55c11942012-11-07 00:45:48 +000012241 BNX2X_DEV_INFO("Cnic support is %s\n", CNIC_SUPPORT(bp) ? "on" : "off");
Ariel Elior1ab44342013-01-01 05:22:23 +000012242 BNX2X_DEV_INFO("Max num of status blocks %d\n", max_non_def_sbs);
Merav Sicron60aa0502012-06-19 07:48:29 +000012243 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
12244 tx_count, rx_count);
12245
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012246 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000012247 if (rc)
12248 goto init_one_exit;
12249
Ariel Elior1ab44342013-01-01 05:22:23 +000012250 /* Map doorbells here as we need the real value of bp->max_cos which
12251 * is initialized in bnx2x_init_bp() to determine the number of
12252 * l2 connections.
Ariel Elior6383c0b2011-07-14 08:31:57 +000012253 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012254 if (IS_VF(bp)) {
12255 /* vf doorbells are embedded within the regview */
12256 bp->doorbells = bp->regview + PXP_VF_ADDR_DB_START;
12257
12258 /* allocate vf2pf mailbox for vf to pf channel */
12259 BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
12260 sizeof(struct bnx2x_vf_mbx_msg));
12261 } else {
12262 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
12263 if (doorbell_size > pci_resource_len(pdev, 2)) {
12264 dev_err(&bp->pdev->dev,
12265 "Cannot map doorbells, bar size too small, aborting\n");
12266 rc = -ENOMEM;
12267 goto init_one_exit;
12268 }
12269 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
12270 doorbell_size);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012271 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000012272 if (!bp->doorbells) {
12273 dev_err(&bp->pdev->dev,
12274 "Cannot map doorbell space, aborting\n");
12275 rc = -ENOMEM;
12276 goto init_one_exit;
12277 }
12278
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000012279 if (IS_VF(bp)) {
12280 rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count);
12281 if (rc)
12282 goto init_one_exit;
12283 }
12284
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012285 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012286 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Ariel Elior1ab44342013-01-01 05:22:23 +000012287 BNX2X_DEV_INFO("qm_cid_count %d\n", bp->qm_cid_count);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012288
Merav Sicron55c11942012-11-07 00:45:48 +000012289 /* disable FCOE L2 queue for E1x*/
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000012290 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012291 bp->flags |= NO_FCOE_FLAG;
12292
Dmitry Kravkov477864d2012-10-31 05:46:58 +000012293 /* disable FCOE for 57840 device, until FW supports it */
12294 switch (ent->driver_data) {
12295 case BCM57840_O:
12296 case BCM57840_4_10:
12297 case BCM57840_2_20:
12298 case BCM57840_MFO:
12299 case BCM57840_MF:
12300 bp->flags |= NO_FCOE_FLAG;
12301 }
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012302
12303 /* Set bp->num_queues for MSI-X mode*/
12304 bnx2x_set_num_queues(bp);
12305
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012306 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012307 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012308 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012309 rc = bnx2x_set_int_mode(bp);
12310 if (rc) {
12311 dev_err(&pdev->dev, "Cannot set interrupts\n");
12312 goto init_one_exit;
12313 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012314
Ariel Elior1ab44342013-01-01 05:22:23 +000012315 /* register the net device */
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080012316 rc = register_netdev(dev);
12317 if (rc) {
12318 dev_err(&pdev->dev, "Cannot register net device\n");
12319 goto init_one_exit;
12320 }
Ariel Elior1ab44342013-01-01 05:22:23 +000012321 BNX2X_DEV_INFO("device name after netdev register %s\n", dev->name);
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080012322
Merav Sicron55c11942012-11-07 00:45:48 +000012323
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012324 if (!NO_FCOE(bp)) {
12325 /* Add storage MAC address */
12326 rtnl_lock();
12327 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12328 rtnl_unlock();
12329 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012330
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012331 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Ariel Elior1ab44342013-01-01 05:22:23 +000012332 BNX2X_DEV_INFO("got pcie width %d and speed %d\n",
12333 pcie_width, pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012334
Merav Sicron51c1a582012-03-18 10:33:38 +000012335 BNX2X_DEV_INFO(
12336 "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
Joe Perches94f05b02011-08-14 12:16:20 +000012337 board_info[ent->driver_data].name,
12338 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
12339 pcie_width,
12340 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
12341 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
12342 "5GHz (Gen2)" : "2.5GHz",
12343 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000012344
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012345 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012346
Ariel Elior1ab44342013-01-01 05:22:23 +000012347alloc_mem_err:
12348 BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
12349 sizeof(struct bnx2x_vf_mbx_msg));
12350 rc = -ENOMEM;
12351
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012352init_one_exit:
12353 if (bp->regview)
12354 iounmap(bp->regview);
12355
Ariel Elior1ab44342013-01-01 05:22:23 +000012356 if (IS_PF(bp) && bp->doorbells)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012357 iounmap(bp->doorbells);
12358
12359 free_netdev(dev);
12360
12361 if (atomic_read(&pdev->enable_cnt) == 1)
12362 pci_release_regions(pdev);
12363
12364 pci_disable_device(pdev);
12365 pci_set_drvdata(pdev, NULL);
12366
12367 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012368}
12369
Bill Pemberton0329aba2012-12-03 09:24:24 -050012370static void bnx2x_remove_one(struct pci_dev *pdev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012371{
12372 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080012373 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012374
Eliezer Tamir228241e2008-02-28 11:56:57 -080012375 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012376 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080012377 return;
12378 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080012379 bp = netdev_priv(dev);
12380
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012381 /* Delete storage MAC address */
12382 if (!NO_FCOE(bp)) {
12383 rtnl_lock();
12384 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12385 rtnl_unlock();
12386 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012387
Shmulik Ravid98507672011-02-28 12:19:55 -080012388#ifdef BCM_DCBNL
12389 /* Delete app tlvs from dcbnl */
12390 bnx2x_dcbnl_update_applist(bp, true);
12391#endif
12392
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012393 unregister_netdev(dev);
12394
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012395 /* Power on: we can't let PCI layer write to us while we are in D3 */
Ariel Elior1ab44342013-01-01 05:22:23 +000012396 if (IS_PF(bp))
12397 bnx2x_set_power_state(bp, PCI_D0);
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012398
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012399 /* Disable MSI/MSI-X */
12400 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012401
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012402 /* Power off */
Ariel Elior1ab44342013-01-01 05:22:23 +000012403 if (IS_PF(bp))
12404 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012405
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012406 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000012407 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Ariel Elior4513f922013-01-01 05:22:25 +000012408 /* send message via vfpf channel to release the resources of this vf */
12409 if (IS_VF(bp))
12410 bnx2x_vfpf_release(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012412 if (bp->regview)
12413 iounmap(bp->regview);
12414
Ariel Elior1ab44342013-01-01 05:22:23 +000012415 /* for vf doorbells are part of the regview and were unmapped along with
12416 * it. FW is only loaded by PF.
12417 */
12418 if (IS_PF(bp)) {
12419 if (bp->doorbells)
12420 iounmap(bp->doorbells);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012421
Ariel Elior1ab44342013-01-01 05:22:23 +000012422 bnx2x_release_firmware(bp);
12423 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012424 bnx2x_free_mem_bp(bp);
12425
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012426 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012427
12428 if (atomic_read(&pdev->enable_cnt) == 1)
12429 pci_release_regions(pdev);
12430
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012431 pci_disable_device(pdev);
12432 pci_set_drvdata(pdev, NULL);
12433}
12434
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012435static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12436{
12437 int i;
12438
12439 bp->state = BNX2X_STATE_ERROR;
12440
12441 bp->rx_mode = BNX2X_RX_MODE_NONE;
12442
Merav Sicron55c11942012-11-07 00:45:48 +000012443 if (CNIC_LOADED(bp))
12444 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12445
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012446 /* Stop Tx */
12447 bnx2x_tx_disable(bp);
12448
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012449 bnx2x_netif_stop(bp, 0);
Merav Sicron26614ba2012-08-27 03:26:19 +000012450 /* Delete all NAPI objects */
12451 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +000012452 if (CNIC_LOADED(bp))
12453 bnx2x_del_all_napi_cnic(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012454
12455 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012456
12457 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012458
12459 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012460 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012461
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012462 /* Free SKBs, SGEs, TPA pool and driver internals */
12463 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012464
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012465 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012466 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012467
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012468 bnx2x_free_mem(bp);
12469
12470 bp->state = BNX2X_STATE_CLOSED;
12471
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012472 netif_carrier_off(bp->dev);
12473
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012474 return 0;
12475}
12476
12477static void bnx2x_eeh_recover(struct bnx2x *bp)
12478{
12479 u32 val;
12480
12481 mutex_init(&bp->port.phy_mutex);
12482
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012483
12484 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12485 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12486 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12487 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012488}
12489
Wendy Xiong493adb12008-06-23 20:36:22 -070012490/**
12491 * bnx2x_io_error_detected - called when PCI error is detected
12492 * @pdev: Pointer to PCI device
12493 * @state: The current pci connection state
12494 *
12495 * This function is called after a PCI bus error affecting
12496 * this device has been detected.
12497 */
12498static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12499 pci_channel_state_t state)
12500{
12501 struct net_device *dev = pci_get_drvdata(pdev);
12502 struct bnx2x *bp = netdev_priv(dev);
12503
12504 rtnl_lock();
12505
12506 netif_device_detach(dev);
12507
Dean Nelson07ce50e42009-07-31 09:13:25 +000012508 if (state == pci_channel_io_perm_failure) {
12509 rtnl_unlock();
12510 return PCI_ERS_RESULT_DISCONNECT;
12511 }
12512
Wendy Xiong493adb12008-06-23 20:36:22 -070012513 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012514 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012515
12516 pci_disable_device(pdev);
12517
12518 rtnl_unlock();
12519
12520 /* Request a slot reset */
12521 return PCI_ERS_RESULT_NEED_RESET;
12522}
12523
12524/**
12525 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12526 * @pdev: Pointer to PCI device
12527 *
12528 * Restart the card from scratch, as if from a cold-boot.
12529 */
12530static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12531{
12532 struct net_device *dev = pci_get_drvdata(pdev);
12533 struct bnx2x *bp = netdev_priv(dev);
12534
12535 rtnl_lock();
12536
12537 if (pci_enable_device(pdev)) {
12538 dev_err(&pdev->dev,
12539 "Cannot re-enable PCI device after reset\n");
12540 rtnl_unlock();
12541 return PCI_ERS_RESULT_DISCONNECT;
12542 }
12543
12544 pci_set_master(pdev);
12545 pci_restore_state(pdev);
12546
12547 if (netif_running(dev))
12548 bnx2x_set_power_state(bp, PCI_D0);
12549
12550 rtnl_unlock();
12551
12552 return PCI_ERS_RESULT_RECOVERED;
12553}
12554
12555/**
12556 * bnx2x_io_resume - called when traffic can start flowing again
12557 * @pdev: Pointer to PCI device
12558 *
12559 * This callback is called when the error recovery driver tells us that
12560 * its OK to resume normal operation.
12561 */
12562static void bnx2x_io_resume(struct pci_dev *pdev)
12563{
12564 struct net_device *dev = pci_get_drvdata(pdev);
12565 struct bnx2x *bp = netdev_priv(dev);
12566
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012567 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012568 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012569 return;
12570 }
12571
Wendy Xiong493adb12008-06-23 20:36:22 -070012572 rtnl_lock();
12573
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012574 bnx2x_eeh_recover(bp);
12575
Wendy Xiong493adb12008-06-23 20:36:22 -070012576 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012577 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012578
12579 netif_device_attach(dev);
12580
12581 rtnl_unlock();
12582}
12583
Stephen Hemminger3646f0e2012-09-07 09:33:15 -070012584static const struct pci_error_handlers bnx2x_err_handler = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012585 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012586 .slot_reset = bnx2x_io_slot_reset,
12587 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012588};
12589
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012590static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012591 .name = DRV_MODULE_NAME,
12592 .id_table = bnx2x_pci_tbl,
12593 .probe = bnx2x_init_one,
Bill Pemberton0329aba2012-12-03 09:24:24 -050012594 .remove = bnx2x_remove_one,
Wendy Xiong493adb12008-06-23 20:36:22 -070012595 .suspend = bnx2x_suspend,
12596 .resume = bnx2x_resume,
12597 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012598};
12599
12600static int __init bnx2x_init(void)
12601{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012602 int ret;
12603
Joe Perches7995c642010-02-17 15:01:52 +000012604 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012605
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012606 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12607 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012608 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012609 return -ENOMEM;
12610 }
12611
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012612 ret = pci_register_driver(&bnx2x_pci_driver);
12613 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012614 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012615 destroy_workqueue(bnx2x_wq);
12616 }
12617 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012618}
12619
12620static void __exit bnx2x_cleanup(void)
12621{
Yuval Mintz452427b2012-03-26 20:47:07 +000012622 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012623 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012624
12625 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012626
12627 /* Free globablly allocated resources */
12628 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12629 struct bnx2x_prev_path_list *tmp =
12630 list_entry(pos, struct bnx2x_prev_path_list, list);
12631 list_del(pos);
12632 kfree(tmp);
12633 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012634}
12635
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012636void bnx2x_notify_link_changed(struct bnx2x *bp)
12637{
12638 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12639}
12640
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012641module_init(bnx2x_init);
12642module_exit(bnx2x_cleanup);
12643
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012644/**
12645 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12646 *
12647 * @bp: driver handle
12648 * @set: set or clear the CAM entry
12649 *
12650 * This function will wait until the ramdord completion returns.
12651 * Return 0 if success, -ENODEV if ramrod doesn't return.
12652 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012653static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012654{
12655 unsigned long ramrod_flags = 0;
12656
12657 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12658 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12659 &bp->iscsi_l2_mac_obj, true,
12660 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12661}
Michael Chan993ac7b2009-10-10 13:46:56 +000012662
12663/* count denotes the number of new completions we have seen */
12664static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12665{
12666 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012667 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012668
12669#ifdef BNX2X_STOP_ON_ERROR
12670 if (unlikely(bp->panic))
12671 return;
12672#endif
12673
12674 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012675 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012676 bp->cnic_spq_pending -= count;
12677
Michael Chan993ac7b2009-10-10 13:46:56 +000012678
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012679 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12680 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12681 & SPE_HDR_CONN_TYPE) >>
12682 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012683 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12684 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012685
12686 /* Set validation for iSCSI L2 client before sending SETUP
12687 * ramrod
12688 */
12689 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012690 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012691 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012692 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012693 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012694 (cxt_index * ILT_PAGE_CIDS);
12695 bnx2x_set_ctx_validation(bp,
12696 &bp->context[cxt_index].
12697 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012698 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012699 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012700 }
12701
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012702 /*
12703 * There may be not more than 8 L2, not more than 8 L5 SPEs
12704 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012705 * COMMON ramrods is not more than the EQ and SPQ can
12706 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012707 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012708 if (type == ETH_CONNECTION_TYPE) {
12709 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012710 break;
12711 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012712 atomic_dec(&bp->cq_spq_left);
12713 } else if (type == NONE_CONNECTION_TYPE) {
12714 if (!atomic_read(&bp->eq_spq_left))
12715 break;
12716 else
12717 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012718 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12719 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012720 if (bp->cnic_spq_pending >=
12721 bp->cnic_eth_dev.max_kwqe_pending)
12722 break;
12723 else
12724 bp->cnic_spq_pending++;
12725 } else {
12726 BNX2X_ERR("Unknown SPE type: %d\n", type);
12727 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012728 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012729 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012730
12731 spe = bnx2x_sp_get_next(bp);
12732 *spe = *bp->cnic_kwq_cons;
12733
Merav Sicron51c1a582012-03-18 10:33:38 +000012734 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012735 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12736
12737 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12738 bp->cnic_kwq_cons = bp->cnic_kwq;
12739 else
12740 bp->cnic_kwq_cons++;
12741 }
12742 bnx2x_sp_prod_update(bp);
12743 spin_unlock_bh(&bp->spq_lock);
12744}
12745
12746static int bnx2x_cnic_sp_queue(struct net_device *dev,
12747 struct kwqe_16 *kwqes[], u32 count)
12748{
12749 struct bnx2x *bp = netdev_priv(dev);
12750 int i;
12751
12752#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012753 if (unlikely(bp->panic)) {
12754 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012755 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012756 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012757#endif
12758
Ariel Elior95c6c6162012-01-26 06:01:52 +000012759 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12760 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012761 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012762 return -EAGAIN;
12763 }
12764
Michael Chan993ac7b2009-10-10 13:46:56 +000012765 spin_lock_bh(&bp->spq_lock);
12766
12767 for (i = 0; i < count; i++) {
12768 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12769
12770 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12771 break;
12772
12773 *bp->cnic_kwq_prod = *spe;
12774
12775 bp->cnic_kwq_pending++;
12776
Merav Sicron51c1a582012-03-18 10:33:38 +000012777 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012778 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012779 spe->data.update_data_addr.hi,
12780 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012781 bp->cnic_kwq_pending);
12782
12783 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12784 bp->cnic_kwq_prod = bp->cnic_kwq;
12785 else
12786 bp->cnic_kwq_prod++;
12787 }
12788
12789 spin_unlock_bh(&bp->spq_lock);
12790
12791 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12792 bnx2x_cnic_sp_post(bp, 0);
12793
12794 return i;
12795}
12796
12797static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12798{
12799 struct cnic_ops *c_ops;
12800 int rc = 0;
12801
12802 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012803 c_ops = rcu_dereference_protected(bp->cnic_ops,
12804 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012805 if (c_ops)
12806 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12807 mutex_unlock(&bp->cnic_mutex);
12808
12809 return rc;
12810}
12811
12812static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12813{
12814 struct cnic_ops *c_ops;
12815 int rc = 0;
12816
12817 rcu_read_lock();
12818 c_ops = rcu_dereference(bp->cnic_ops);
12819 if (c_ops)
12820 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12821 rcu_read_unlock();
12822
12823 return rc;
12824}
12825
12826/*
12827 * for commands that have no data
12828 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012829int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012830{
12831 struct cnic_ctl_info ctl = {0};
12832
12833 ctl.cmd = cmd;
12834
12835 return bnx2x_cnic_ctl_send(bp, &ctl);
12836}
12837
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012838static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012839{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012840 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012841
12842 /* first we tell CNIC and only then we count this as a completion */
12843 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12844 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012845 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012846
12847 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012848 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012849}
12850
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012851
12852/* Called with netif_addr_lock_bh() taken.
12853 * Sets an rx_mode config for an iSCSI ETH client.
12854 * Doesn't block.
12855 * Completion should be checked outside.
12856 */
12857static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12858{
12859 unsigned long accept_flags = 0, ramrod_flags = 0;
12860 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12861 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12862
12863 if (start) {
12864 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12865 * because it's the only way for UIO Queue to accept
12866 * multicasts (in non-promiscuous mode only one Queue per
12867 * function will receive multicast packets (leading in our
12868 * case).
12869 */
12870 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12871 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12872 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12873 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12874
12875 /* Clear STOP_PENDING bit if START is requested */
12876 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12877
12878 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12879 } else
12880 /* Clear START_PENDING bit if STOP is requested */
12881 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12882
12883 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12884 set_bit(sched_state, &bp->sp_state);
12885 else {
12886 __set_bit(RAMROD_RX, &ramrod_flags);
12887 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12888 ramrod_flags);
12889 }
12890}
12891
12892
Michael Chan993ac7b2009-10-10 13:46:56 +000012893static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12894{
12895 struct bnx2x *bp = netdev_priv(dev);
12896 int rc = 0;
12897
12898 switch (ctl->cmd) {
12899 case DRV_CTL_CTXTBL_WR_CMD: {
12900 u32 index = ctl->data.io.offset;
12901 dma_addr_t addr = ctl->data.io.dma_addr;
12902
12903 bnx2x_ilt_wr(bp, index, addr);
12904 break;
12905 }
12906
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012907 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12908 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012909
12910 bnx2x_cnic_sp_post(bp, count);
12911 break;
12912 }
12913
12914 /* rtnl_lock is held. */
12915 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012916 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12917 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012918
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012919 /* Configure the iSCSI classification object */
12920 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12921 cp->iscsi_l2_client_id,
12922 cp->iscsi_l2_cid, BP_FUNC(bp),
12923 bnx2x_sp(bp, mac_rdata),
12924 bnx2x_sp_mapping(bp, mac_rdata),
12925 BNX2X_FILTER_MAC_PENDING,
12926 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12927 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012928
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012929 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012930 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12931 if (rc)
12932 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012933
12934 mmiowb();
12935 barrier();
12936
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012937 /* Start accepting on iSCSI L2 ring */
12938
12939 netif_addr_lock_bh(dev);
12940 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12941 netif_addr_unlock_bh(dev);
12942
12943 /* bits to wait on */
12944 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12945 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12946
12947 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12948 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012949
Michael Chan993ac7b2009-10-10 13:46:56 +000012950 break;
12951 }
12952
12953 /* rtnl_lock is held. */
12954 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012955 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012956
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012957 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012958 netif_addr_lock_bh(dev);
12959 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12960 netif_addr_unlock_bh(dev);
12961
12962 /* bits to wait on */
12963 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12964 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12965
12966 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12967 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012968
12969 mmiowb();
12970 barrier();
12971
12972 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012973 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12974 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012975 break;
12976 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012977 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12978 int count = ctl->data.credit.credit_count;
12979
12980 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012981 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012982 smp_mb__after_atomic_inc();
12983 break;
12984 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012985 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000012986 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012987
12988 if (CHIP_IS_E3(bp)) {
12989 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012990 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12991 int path = BP_PATH(bp);
12992 int port = BP_PORT(bp);
12993 int i;
12994 u32 scratch_offset;
12995 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012996
Barak Witkowski2e499d32012-06-26 01:31:19 +000012997 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000012998 if (ulp_type == CNIC_ULP_ISCSI)
12999 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
13000 else if (ulp_type == CNIC_ULP_FCOE)
13001 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
13002 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000013003
13004 if ((ulp_type != CNIC_ULP_FCOE) ||
13005 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
13006 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
13007 break;
13008
13009 /* if reached here - should write fcoe capabilities */
13010 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
13011 if (!scratch_offset)
13012 break;
13013 scratch_offset += offsetof(struct glob_ncsi_oem_data,
13014 fcoe_features[path][port]);
13015 host_addr = (u32 *) &(ctl->data.register_data.
13016 fcoe_features);
13017 for (i = 0; i < sizeof(struct fcoe_capabilities);
13018 i += 4)
13019 REG_WR(bp, scratch_offset + i,
13020 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000013021 }
13022 break;
13023 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000013024
Barak Witkowski1d187b32011-12-05 22:41:50 +000013025 case DRV_CTL_ULP_UNREGISTER_CMD: {
13026 int ulp_type = ctl->data.ulp_type;
13027
13028 if (CHIP_IS_E3(bp)) {
13029 int idx = BP_FW_MB_IDX(bp);
13030 u32 cap;
13031
13032 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
13033 if (ulp_type == CNIC_ULP_ISCSI)
13034 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
13035 else if (ulp_type == CNIC_ULP_FCOE)
13036 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
13037 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
13038 }
13039 break;
13040 }
Michael Chan993ac7b2009-10-10 13:46:56 +000013041
13042 default:
13043 BNX2X_ERR("unknown command %x\n", ctl->cmd);
13044 rc = -EINVAL;
13045 }
13046
13047 return rc;
13048}
13049
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000013050void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000013051{
13052 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13053
13054 if (bp->flags & USING_MSIX_FLAG) {
13055 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
13056 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
13057 cp->irq_arr[0].vector = bp->msix_table[1].vector;
13058 } else {
13059 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
13060 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
13061 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013062 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000013063 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
13064 else
13065 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
13066
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013067 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
13068 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013069 cp->irq_arr[1].status_blk = bp->def_status_blk;
13070 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013071 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000013072
13073 cp->num_irq = 2;
13074}
13075
Merav Sicron37ae41a2012-06-19 07:48:27 +000013076void bnx2x_setup_cnic_info(struct bnx2x *bp)
13077{
13078 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13079
13080
13081 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
13082 bnx2x_cid_ilt_lines(bp);
13083 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
13084 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
13085 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
13086
13087 if (NO_ISCSI_OOO(bp))
13088 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
13089}
13090
Michael Chan993ac7b2009-10-10 13:46:56 +000013091static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
13092 void *data)
13093{
13094 struct bnx2x *bp = netdev_priv(dev);
13095 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
Merav Sicron55c11942012-11-07 00:45:48 +000013096 int rc;
13097
13098 DP(NETIF_MSG_IFUP, "Register_cnic called\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000013099
Merav Sicron51c1a582012-03-18 10:33:38 +000013100 if (ops == NULL) {
13101 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000013102 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000013103 }
Michael Chan993ac7b2009-10-10 13:46:56 +000013104
Merav Sicron55c11942012-11-07 00:45:48 +000013105 if (!CNIC_SUPPORT(bp)) {
13106 BNX2X_ERR("Can't register CNIC when not supported\n");
13107 return -EOPNOTSUPP;
13108 }
13109
13110 if (!CNIC_LOADED(bp)) {
13111 rc = bnx2x_load_cnic(bp);
13112 if (rc) {
13113 BNX2X_ERR("CNIC-related load failed\n");
13114 return rc;
13115 }
13116
13117 }
13118
13119 bp->cnic_enabled = true;
13120
Michael Chan993ac7b2009-10-10 13:46:56 +000013121 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
13122 if (!bp->cnic_kwq)
13123 return -ENOMEM;
13124
13125 bp->cnic_kwq_cons = bp->cnic_kwq;
13126 bp->cnic_kwq_prod = bp->cnic_kwq;
13127 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
13128
13129 bp->cnic_spq_pending = 0;
13130 bp->cnic_kwq_pending = 0;
13131
13132 bp->cnic_data = data;
13133
13134 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013135 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013136 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000013137
Michael Chan993ac7b2009-10-10 13:46:56 +000013138 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013139
Michael Chan993ac7b2009-10-10 13:46:56 +000013140 rcu_assign_pointer(bp->cnic_ops, ops);
13141
13142 return 0;
13143}
13144
13145static int bnx2x_unregister_cnic(struct net_device *dev)
13146{
13147 struct bnx2x *bp = netdev_priv(dev);
13148 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13149
13150 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000013151 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000013152 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000013153 mutex_unlock(&bp->cnic_mutex);
13154 synchronize_rcu();
13155 kfree(bp->cnic_kwq);
13156 bp->cnic_kwq = NULL;
13157
13158 return 0;
13159}
13160
13161struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
13162{
13163 struct bnx2x *bp = netdev_priv(dev);
13164 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
13165
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000013166 /* If both iSCSI and FCoE are disabled - return NULL in
13167 * order to indicate CNIC that it should not try to work
13168 * with this device.
13169 */
13170 if (NO_ISCSI(bp) && NO_FCOE(bp))
13171 return NULL;
13172
Michael Chan993ac7b2009-10-10 13:46:56 +000013173 cp->drv_owner = THIS_MODULE;
13174 cp->chip_id = CHIP_ID(bp);
13175 cp->pdev = bp->pdev;
13176 cp->io_base = bp->regview;
13177 cp->io_base2 = bp->doorbells;
13178 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000013179 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013180 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
13181 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013182 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013183 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000013184 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
13185 cp->drv_ctl = bnx2x_drv_ctl;
13186 cp->drv_register_cnic = bnx2x_register_cnic;
13187 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000013188 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030013189 cp->iscsi_l2_client_id =
13190 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000013191 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000013192
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000013193 if (NO_ISCSI_OOO(bp))
13194 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
13195
13196 if (NO_ISCSI(bp))
13197 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
13198
13199 if (NO_FCOE(bp))
13200 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
13201
Merav Sicron51c1a582012-03-18 10:33:38 +000013202 BNX2X_DEV_INFO(
13203 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000013204 cp->ctx_blk_size,
13205 cp->ctx_tbl_offset,
13206 cp->ctx_tbl_len,
13207 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000013208 return cp;
13209}
Michael Chan993ac7b2009-10-10 13:46:56 +000013210
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013211int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
13212{
13213 struct cstorm_vf_zone_data __iomem *zone_data =
13214 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);
13215 int tout = 600, interval = 100; /* wait for 60 seconds */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013216
Ariel Eliorbe1f1ffa2013-01-01 05:22:24 +000013217 if (*done) {
13218 BNX2X_ERR("done was non zero before message to pf was sent\n");
13219 WARN_ON(true);
13220 return -EINVAL;
13221 }
13222
13223 /* Write message address */
13224 writel(U64_LO(msg_mapping),
13225 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo);
13226 writel(U64_HI(msg_mapping),
13227 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi);
13228
13229 /* make sure the address is written before FW accesses it */
13230 wmb();
13231
13232 /* Trigger the PF FW */
13233 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid);
13234
13235 /* Wait for PF to complete */
13236 while ((tout >= 0) && (!*done)) {
13237 msleep(interval);
13238 tout -= 1;
13239
13240 /* progress indicator - HV can take its own sweet time in
13241 * answering VFs...
13242 */
13243 DP_CONT(BNX2X_MSG_IOV, ".");
13244 }
13245
13246 if (!*done) {
13247 BNX2X_ERR("PF response has timed out\n");
13248 return -EAGAIN;
13249 }
13250 DP(BNX2X_MSG_SP, "Got a response from PF\n");
13251 return 0;
13252}
13253
13254int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
13255{
13256 u32 me_reg;
13257 int tout = 10, interval = 100; /* Wait for 1 sec */
13258
13259 do {
13260 /* pxp traps vf read of doorbells and returns me reg value */
13261 me_reg = readl(bp->doorbells);
13262 if (GOOD_ME_REG(me_reg))
13263 break;
13264
13265 msleep(interval);
13266
13267 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",
13268 me_reg);
13269 } while (tout-- > 0);
13270
13271 if (!GOOD_ME_REG(me_reg)) {
13272 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);
13273 return -EINVAL;
13274 }
13275
13276 BNX2X_ERR("valid ME register value: 0x%08x\n", me_reg);
13277
13278 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;
13279
13280 return 0;
13281}
13282
13283int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
13284{
13285 int rc = 0, attempts = 0;
13286 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
13287 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
13288 u32 vf_id;
13289 bool resources_acquired = false;
13290
13291 /* clear mailbox and prep first tlv */
13292 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));
13293
13294 if (bnx2x_get_vf_id(bp, &vf_id))
13295 return -EAGAIN;
13296
13297 req->vfdev_info.vf_id = vf_id;
13298 req->vfdev_info.vf_os = 0;
13299
13300 req->resc_request.num_rxqs = rx_count;
13301 req->resc_request.num_txqs = tx_count;
13302 req->resc_request.num_sbs = bp->igu_sb_cnt;
13303 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;
13304 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;
13305
13306 /* add list termination tlv */
13307 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
13308 sizeof(struct channel_list_end_tlv));
13309
13310 /* output tlvs list */
13311 bnx2x_dp_tlv_list(bp, req);
13312
13313 while (!resources_acquired) {
13314 DP(BNX2X_MSG_SP, "attempting to acquire resources\n");
13315
13316 /* send acquire request */
13317 rc = bnx2x_send_msg2pf(bp,
13318 &resp->hdr.status,
13319 bp->vf2pf_mbox_mapping);
13320
13321 /* PF timeout */
13322 if (rc)
13323 return rc;
13324
13325 /* copy acquire response from buffer to bp */
13326 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));
13327
13328 attempts++;
13329
13330 /* test whether the PF accepted our request. If not, humble the
13331 * the request and try again.
13332 */
13333 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {
13334 DP(BNX2X_MSG_SP, "resources acquired\n");
13335 resources_acquired = true;
13336 } else if (bp->acquire_resp.hdr.status ==
13337 PFVF_STATUS_NO_RESOURCE &&
13338 attempts < VF_ACQUIRE_THRESH) {
13339 DP(BNX2X_MSG_SP,
13340 "PF unwilling to fulfill resource request. Try PF recommended amount\n");
13341
13342 /* humble our request */
13343 req->resc_request.num_txqs =
13344 bp->acquire_resp.resc.num_txqs;
13345 req->resc_request.num_rxqs =
13346 bp->acquire_resp.resc.num_rxqs;
13347 req->resc_request.num_sbs =
13348 bp->acquire_resp.resc.num_sbs;
13349 req->resc_request.num_mac_filters =
13350 bp->acquire_resp.resc.num_mac_filters;
13351 req->resc_request.num_vlan_filters =
13352 bp->acquire_resp.resc.num_vlan_filters;
13353 req->resc_request.num_mc_filters =
13354 bp->acquire_resp.resc.num_mc_filters;
13355
13356 /* Clear response buffer */
13357 memset(&bp->vf2pf_mbox->resp, 0,
13358 sizeof(union pfvf_tlvs));
13359 } else {
13360 /* PF reports error */
13361 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",
13362 bp->acquire_resp.hdr.status);
13363 return -EAGAIN;
13364 }
13365 }
13366
13367 /* get HW info */
13368 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
13369 bp->link_params.chip_id = bp->common.chip_id;
13370 bp->db_size = bp->acquire_resp.pfdev_info.db_size;
13371 bp->common.int_block = INT_BLOCK_IGU;
13372 bp->common.chip_port_mode = CHIP_2_PORT_MODE;
13373 bp->igu_dsb_id = -1;
13374 bp->mf_ov = 0;
13375 bp->mf_mode = 0;
13376 bp->common.flash_size = 0;
13377 bp->flags |=
13378 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;
13379 bp->igu_sb_cnt = 1;
13380 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;
13381 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,
13382 sizeof(bp->fw_ver));
13383
13384 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))
13385 memcpy(bp->dev->dev_addr,
13386 bp->acquire_resp.resc.current_mac_addr,
13387 ETH_ALEN);
13388
13389 return 0;
13390}
Ariel Elior4513f922013-01-01 05:22:25 +000013391
13392int bnx2x_vfpf_release(struct bnx2x *bp)
13393{
13394 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;
13395 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
13396 u32 rc = 0, vf_id;
13397
13398 /* clear mailbox and prep first tlv */
13399 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));
13400
13401 if (bnx2x_get_vf_id(bp, &vf_id))
13402 return -EAGAIN;
13403
13404 req->vf_id = vf_id;
13405
13406 /* add list termination tlv */
13407 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
13408 sizeof(struct channel_list_end_tlv));
13409
13410 /* output tlvs list */
13411 bnx2x_dp_tlv_list(bp, req);
13412
13413 /* send release request */
13414 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
13415
13416 if (rc)
13417 /* PF timeout */
13418 return rc;
13419 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
13420 /* PF released us */
13421 DP(BNX2X_MSG_SP, "vf released\n");
13422 } else {
13423 /* PF reports error */
13424 BNX2X_ERR("PF failed our release request - are we out of sync? response status: %d\n",
13425 resp->hdr.status);
13426 return -EAGAIN;
13427 }
13428
13429 return 0;
13430}