blob: 3519fed58c36ab939c7d8657a26b36c1ce0c7e2d [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"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000062#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000063#include "bnx2x_sp.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020064
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070065#include <linux/firmware.h>
66#include "bnx2x_fw_file_hdr.h"
67/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000068#define FW_FILE_VERSION \
69 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
70 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
71 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
72 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000073#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
74#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000075#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070076
Barak Witkowski2e499d32012-06-26 01:31:19 +000077#define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
78
Eilon Greenstein34f80b02008-06-23 20:33:01 -070079/* Time in jiffies before concluding the transmitter is hung */
80#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020081
Andrew Morton53a10562008-02-09 23:16:41 -080082static char version[] __devinitdata =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030083 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020084 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
85
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070086MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000087MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030088 "BCM57710/57711/57711E/"
89 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
90 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020091MODULE_LICENSE("GPL");
92MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000093MODULE_FIRMWARE(FW_FILE_NAME_E1);
94MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000095MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020096
Eilon Greensteinca003922009-08-12 22:53:28 -070097
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000098int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000099module_param(num_queues, int, 0);
Dmitry Kravkov96305232012-04-03 18:41:30 +0000100MODULE_PARM_DESC(num_queues,
101 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000102
Eilon Greenstein19680c42008-08-13 15:47:33 -0700103static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700104module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000105MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000107#define INT_MODE_INTx 1
108#define INT_MODE_MSI 2
Merav Sicron0e8d2ec2012-06-19 07:48:30 +0000109int int_mode;
Eilon Greenstein8badd272009-02-12 08:36:15 +0000110module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300111MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000112 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000113
Eilon Greensteina18f5122009-08-12 08:23:26 +0000114static int dropless_fc;
115module_param(dropless_fc, int, 0);
116MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
117
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000118static int mrrs = -1;
119module_param(mrrs, int, 0);
120MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
121
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200123module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000124MODULE_PARM_DESC(debug, " Default debug msglevel");
125
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200126
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300127
128struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200130enum bnx2x_board_type {
131 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300132 BCM57711,
133 BCM57711E,
134 BCM57712,
135 BCM57712_MF,
136 BCM57800,
137 BCM57800_MF,
138 BCM57810,
139 BCM57810_MF,
Yuval Mintzc3def942012-07-23 10:25:43 +0300140 BCM57840_O,
141 BCM57840_4_10,
142 BCM57840_2_20,
143 BCM57840_MFO,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000144 BCM57840_MF,
145 BCM57811,
146 BCM57811_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200147};
148
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700149/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800150static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200151 char *name;
152} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300153 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
154 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
155 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
156 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
157 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
158 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
159 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
160 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
161 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
162 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
Yuval Mintzc3def942012-07-23 10:25:43 +0300163 { "Broadcom NetXtreme II BCM57840 10 Gigabit Ethernet" },
164 { "Broadcom NetXtreme II BCM57840 20 Gigabit Ethernet" },
165 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000166 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
167 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet"},
168 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function"},
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200169};
170
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300171#ifndef PCI_DEVICE_ID_NX2_57710
172#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
173#endif
174#ifndef PCI_DEVICE_ID_NX2_57711
175#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
176#endif
177#ifndef PCI_DEVICE_ID_NX2_57711E
178#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
179#endif
180#ifndef PCI_DEVICE_ID_NX2_57712
181#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
182#endif
183#ifndef PCI_DEVICE_ID_NX2_57712_MF
184#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
185#endif
186#ifndef PCI_DEVICE_ID_NX2_57800
187#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57800_MF
190#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57810
193#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57810_MF
196#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
197#endif
Yuval Mintzc3def942012-07-23 10:25:43 +0300198#ifndef PCI_DEVICE_ID_NX2_57840_O
199#define PCI_DEVICE_ID_NX2_57840_O CHIP_NUM_57840_OBSOLETE
200#endif
201#ifndef PCI_DEVICE_ID_NX2_57840_4_10
202#define PCI_DEVICE_ID_NX2_57840_4_10 CHIP_NUM_57840_4_10
203#endif
204#ifndef PCI_DEVICE_ID_NX2_57840_2_20
205#define PCI_DEVICE_ID_NX2_57840_2_20 CHIP_NUM_57840_2_20
206#endif
207#ifndef PCI_DEVICE_ID_NX2_57840_MFO
208#define PCI_DEVICE_ID_NX2_57840_MFO CHIP_NUM_57840_MF_OBSOLETE
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300209#endif
210#ifndef PCI_DEVICE_ID_NX2_57840_MF
211#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
212#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000213#ifndef PCI_DEVICE_ID_NX2_57811
214#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
215#endif
216#ifndef PCI_DEVICE_ID_NX2_57811_MF
217#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
218#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000219static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000220 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
221 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
222 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000223 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300224 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
225 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
226 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
227 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
228 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
Yuval Mintzc3def942012-07-23 10:25:43 +0300229 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
230 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
231 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
232 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300233 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000234 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
235 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200236 { 0 }
237};
238
239MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
240
Yuval Mintz452427b2012-03-26 20:47:07 +0000241/* Global resources for unloading a previously loaded device */
242#define BNX2X_PREV_WAIT_NEEDED 1
243static DEFINE_SEMAPHORE(bnx2x_prev_sem);
244static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200245/****************************************************************************
246* General service functions
247****************************************************************************/
248
Eric Dumazet1191cb82012-04-27 21:39:21 +0000249static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300250 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000251{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300252 REG_WR(bp, addr, U64_LO(mapping));
253 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000254}
255
Eric Dumazet1191cb82012-04-27 21:39:21 +0000256static void storm_memset_spq_addr(struct bnx2x *bp,
257 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300258{
259 u32 addr = XSEM_REG_FAST_MEMORY +
260 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
261
262 __storm_memset_dma_mapping(bp, addr, mapping);
263}
264
Eric Dumazet1191cb82012-04-27 21:39:21 +0000265static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
266 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300267{
268 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
269 pf_id);
270 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
271 pf_id);
272 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
273 pf_id);
274 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
275 pf_id);
276}
277
Eric Dumazet1191cb82012-04-27 21:39:21 +0000278static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
279 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300280{
281 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
282 enable);
283 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
284 enable);
285 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
286 enable);
287 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
288 enable);
289}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000290
Eric Dumazet1191cb82012-04-27 21:39:21 +0000291static void storm_memset_eq_data(struct bnx2x *bp,
292 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000293 u16 pfid)
294{
295 size_t size = sizeof(struct event_ring_data);
296
297 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
298
299 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
300}
301
Eric Dumazet1191cb82012-04-27 21:39:21 +0000302static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
303 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000304{
305 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
306 REG_WR16(bp, addr, eq_prod);
307}
308
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200309/* used only at init
310 * locking is done by mcp
311 */
stephen hemminger8d962862010-10-21 07:50:56 +0000312static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200313{
314 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
315 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
316 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
317 PCICFG_VENDOR_ID_OFFSET);
318}
319
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200320static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
321{
322 u32 val;
323
324 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
325 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
326 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
327 PCICFG_VENDOR_ID_OFFSET);
328
329 return val;
330}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200331
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000332#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
333#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
334#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
335#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
336#define DMAE_DP_DST_NONE "dst_addr [none]"
337
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000338
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200339/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000340void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200341{
342 u32 cmd_offset;
343 int i;
344
345 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
346 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
347 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200348 }
349 REG_WR(bp, dmae_reg_go_c[idx], 1);
350}
351
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000352u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
353{
354 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
355 DMAE_CMD_C_ENABLE);
356}
357
358u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
359{
360 return opcode & ~DMAE_CMD_SRC_RESET;
361}
362
363u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
364 bool with_comp, u8 comp_type)
365{
366 u32 opcode = 0;
367
368 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
369 (dst_type << DMAE_COMMAND_DST_SHIFT));
370
371 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
372
373 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400374 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
375 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000376 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
377
378#ifdef __BIG_ENDIAN
379 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
380#else
381 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
382#endif
383 if (with_comp)
384 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
385 return opcode;
386}
387
stephen hemminger8d962862010-10-21 07:50:56 +0000388static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
389 struct dmae_command *dmae,
390 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391{
392 memset(dmae, 0, sizeof(struct dmae_command));
393
394 /* set the opcode */
395 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
396 true, DMAE_COMP_PCI);
397
398 /* fill in the completion parameters */
399 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
400 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
401 dmae->comp_val = DMAE_COMP_VAL;
402}
403
404/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000405static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
406 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000407{
408 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000409 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000410 int rc = 0;
411
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300412 /*
413 * Lock the dmae channel. Disable BHs to prevent a dead-lock
414 * as long as this code is called both from syscall context and
415 * from ndo_set_rx_mode() flow that may be called from BH.
416 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800417 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000418
419 /* reset completion */
420 *wb_comp = 0;
421
422 /* post the command on the channel used for initializations */
423 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
424
425 /* wait for completion */
426 udelay(5);
427 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000428
Ariel Elior95c6c6162012-01-26 06:01:52 +0000429 if (!cnt ||
430 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
431 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432 BNX2X_ERR("DMAE timeout!\n");
433 rc = DMAE_TIMEOUT;
434 goto unlock;
435 }
436 cnt--;
437 udelay(50);
438 }
439 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
440 BNX2X_ERR("DMAE PCI error!\n");
441 rc = DMAE_PCI_ERROR;
442 }
443
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000444unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800445 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000446 return rc;
447}
448
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700449void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
450 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200451{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000452 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700453
454 if (!bp->dmae_ready) {
455 u32 *data = bnx2x_sp(bp, wb_data[0]);
456
Ariel Elior127a4252012-01-26 06:01:46 +0000457 if (CHIP_IS_E1(bp))
458 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
459 else
460 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700461 return;
462 }
463
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000464 /* set opcode and fixed command fields */
465 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200466
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000467 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000468 dmae.src_addr_lo = U64_LO(dma_addr);
469 dmae.src_addr_hi = U64_HI(dma_addr);
470 dmae.dst_addr_lo = dst_addr >> 2;
471 dmae.dst_addr_hi = 0;
472 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000474 /* issue the command and wait for completion */
475 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200476}
477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700478void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200479{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000480 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700481
482 if (!bp->dmae_ready) {
483 u32 *data = bnx2x_sp(bp, wb_data[0]);
484 int i;
485
Merav Sicron51c1a582012-03-18 10:33:38 +0000486 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000487 for (i = 0; i < len32; i++)
488 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000489 else
Ariel Elior127a4252012-01-26 06:01:46 +0000490 for (i = 0; i < len32; i++)
491 data[i] = REG_RD(bp, src_addr + i*4);
492
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700493 return;
494 }
495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000496 /* set opcode and fixed command fields */
497 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200498
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000499 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000500 dmae.src_addr_lo = src_addr >> 2;
501 dmae.src_addr_hi = 0;
502 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
503 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
504 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200505
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000506 /* issue the command and wait for completion */
507 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200508}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200509
stephen hemminger8d962862010-10-21 07:50:56 +0000510static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
511 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000512{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000513 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000514 int offset = 0;
515
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000516 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000517 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000518 addr + offset, dmae_wr_max);
519 offset += dmae_wr_max * 4;
520 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000521 }
522
523 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
524}
525
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200526static int bnx2x_mc_assert(struct bnx2x *bp)
527{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200528 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700529 int i, rc = 0;
530 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200531
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700532 /* XSTORM */
533 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
534 XSTORM_ASSERT_LIST_INDEX_OFFSET);
535 if (last_idx)
536 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200537
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700538 /* print the asserts */
539 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200540
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700541 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
542 XSTORM_ASSERT_LIST_OFFSET(i));
543 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
544 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
545 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
546 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
547 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
548 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200549
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700550 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000551 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700552 i, row3, row2, row1, row0);
553 rc++;
554 } else {
555 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200556 }
557 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700558
559 /* TSTORM */
560 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
561 TSTORM_ASSERT_LIST_INDEX_OFFSET);
562 if (last_idx)
563 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
564
565 /* print the asserts */
566 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
567
568 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
569 TSTORM_ASSERT_LIST_OFFSET(i));
570 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
571 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
572 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
573 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
574 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
575 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
576
577 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000578 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700579 i, row3, row2, row1, row0);
580 rc++;
581 } else {
582 break;
583 }
584 }
585
586 /* CSTORM */
587 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
588 CSTORM_ASSERT_LIST_INDEX_OFFSET);
589 if (last_idx)
590 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
591
592 /* print the asserts */
593 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
594
595 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
596 CSTORM_ASSERT_LIST_OFFSET(i));
597 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
598 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
599 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
600 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
601 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
602 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
603
604 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000605 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700606 i, row3, row2, row1, row0);
607 rc++;
608 } else {
609 break;
610 }
611 }
612
613 /* USTORM */
614 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
615 USTORM_ASSERT_LIST_INDEX_OFFSET);
616 if (last_idx)
617 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
618
619 /* print the asserts */
620 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
621
622 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
623 USTORM_ASSERT_LIST_OFFSET(i));
624 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
625 USTORM_ASSERT_LIST_OFFSET(i) + 4);
626 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
627 USTORM_ASSERT_LIST_OFFSET(i) + 8);
628 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
629 USTORM_ASSERT_LIST_OFFSET(i) + 12);
630
631 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000632 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700633 i, row3, row2, row1, row0);
634 rc++;
635 } else {
636 break;
637 }
638 }
639
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640 return rc;
641}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800642
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000643void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200644{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000645 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200646 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000647 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000649 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000650 if (BP_NOMCP(bp)) {
651 BNX2X_ERR("NO MCP - can not dump\n");
652 return;
653 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000654 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
655 (bp->common.bc_ver & 0xff0000) >> 16,
656 (bp->common.bc_ver & 0xff00) >> 8,
657 (bp->common.bc_ver & 0xff));
658
659 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
660 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000661 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000662
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000663 if (BP_PATH(bp) == 0)
664 trace_shmem_base = bp->common.shmem_base;
665 else
666 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000667 addr = trace_shmem_base - 0x800;
668
669 /* validate TRCB signature */
670 mark = REG_RD(bp, addr);
671 if (mark != MFW_TRACE_SIGNATURE) {
672 BNX2X_ERR("Trace buffer signature is missing.");
673 return ;
674 }
675
676 /* read cyclic buffer pointer */
677 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000678 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
680 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000681 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200682
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000683 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000684 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200685 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000686 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200687 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000688 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200689 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000690 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200691 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000692 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200693 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000694 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200695 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000696 printk("%s" "end of fw dump\n", lvl);
697}
698
Eric Dumazet1191cb82012-04-27 21:39:21 +0000699static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000700{
701 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200702}
703
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000704void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200705{
706 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000707 u16 j;
708 struct hc_sp_status_block_data sp_sb_data;
709 int func = BP_FUNC(bp);
710#ifdef BNX2X_STOP_ON_ERROR
711 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000712 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000713#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200714
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700715 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000716 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700717 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
718
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200719 BNX2X_ERR("begin crash dump -----------------\n");
720
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000721 /* Indices */
722 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000723 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 +0300724 bp->def_idx, bp->def_att_idx, bp->attn_state,
725 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000726 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
727 bp->def_status_blk->atten_status_block.attn_bits,
728 bp->def_status_blk->atten_status_block.attn_bits_ack,
729 bp->def_status_blk->atten_status_block.status_block_id,
730 bp->def_status_blk->atten_status_block.attn_bits_index);
731 BNX2X_ERR(" def (");
732 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
733 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000734 bp->def_status_blk->sp_sb.index_values[i],
735 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000736
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000737 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
738 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
739 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
740 i*sizeof(u32));
741
Joe Perchesf1deab52011-08-14 12:16:21 +0000742 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 +0000743 sp_sb_data.igu_sb_id,
744 sp_sb_data.igu_seg_id,
745 sp_sb_data.p_func.pf_id,
746 sp_sb_data.p_func.vnic_id,
747 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300748 sp_sb_data.p_func.vf_valid,
749 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000750
751
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000752 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000753 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000754 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000755 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000756 struct hc_status_block_data_e1x sb_data_e1x;
757 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300758 CHIP_IS_E1x(bp) ?
759 sb_data_e1x.common.state_machine :
760 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000761 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300762 CHIP_IS_E1x(bp) ?
763 sb_data_e1x.index_data :
764 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000765 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000766 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000767 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000768
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000769 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000770 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 +0000771 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000772 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000773 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000774 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 +0000775 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000776 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000777
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000778 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000779 for_each_cos_in_tx_queue(fp, cos)
780 {
Merav Sicron65565882012-06-19 07:48:26 +0000781 txdata = *fp->txdata_ptr[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000782 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 +0000783 i, txdata.tx_pkt_prod,
784 txdata.tx_pkt_cons, txdata.tx_bd_prod,
785 txdata.tx_bd_cons,
786 le16_to_cpu(*txdata.tx_cons_sb));
787 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000788
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300789 loop = CHIP_IS_E1x(bp) ?
790 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000791
792 /* host sb data */
793
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000794 if (IS_FCOE_FP(fp))
795 continue;
Merav Sicron55c11942012-11-07 00:45:48 +0000796
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000797 BNX2X_ERR(" run indexes (");
798 for (j = 0; j < HC_SB_MAX_SM; j++)
799 pr_cont("0x%x%s",
800 fp->sb_running_index[j],
801 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
802
803 BNX2X_ERR(" indexes (");
804 for (j = 0; j < loop; j++)
805 pr_cont("0x%x%s",
806 fp->sb_index_values[j],
807 (j == loop - 1) ? ")" : " ");
808 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300809 data_size = CHIP_IS_E1x(bp) ?
810 sizeof(struct hc_status_block_data_e1x) :
811 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000812 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300813 sb_data_p = CHIP_IS_E1x(bp) ?
814 (u32 *)&sb_data_e1x :
815 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000816 /* copy sb data in here */
817 for (j = 0; j < data_size; j++)
818 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
819 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
820 j * sizeof(u32));
821
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300822 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000823 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 +0000824 sb_data_e2.common.p_func.pf_id,
825 sb_data_e2.common.p_func.vf_id,
826 sb_data_e2.common.p_func.vf_valid,
827 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300828 sb_data_e2.common.same_igu_sb_1b,
829 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000830 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +0000831 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 +0000832 sb_data_e1x.common.p_func.pf_id,
833 sb_data_e1x.common.p_func.vf_id,
834 sb_data_e1x.common.p_func.vf_valid,
835 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300836 sb_data_e1x.common.same_igu_sb_1b,
837 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000838 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000839
840 /* SB_SMs data */
841 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000842 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",
843 j, hc_sm_p[j].__flags,
844 hc_sm_p[j].igu_sb_id,
845 hc_sm_p[j].igu_seg_id,
846 hc_sm_p[j].time_to_expire,
847 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000848 }
849
850 /* Indecies data */
851 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000852 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000853 hc_index_p[j].flags,
854 hc_index_p[j].timeout);
855 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000856 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200857
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000858#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000859 /* Rings */
860 /* Rx */
Merav Sicron55c11942012-11-07 00:45:48 +0000861 for_each_valid_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000862 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200863
864 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
865 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000866 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
868 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
869
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000870 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000871 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872 }
873
Eilon Greenstein3196a882008-08-13 15:58:49 -0700874 start = RX_SGE(fp->rx_sge_prod);
875 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000876 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700877 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
878 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
879
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000880 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
881 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700882 }
883
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200884 start = RCQ_BD(fp->rx_comp_cons - 10);
885 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000886 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200887 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
888
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000889 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
890 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200891 }
892 }
893
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000894 /* Tx */
Merav Sicron55c11942012-11-07 00:45:48 +0000895 for_each_valid_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000896 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000897 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +0000898 struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000899
Ariel Elior6383c0b2011-07-14 08:31:57 +0000900 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
901 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
902 for (j = start; j != end; j = TX_BD(j + 1)) {
903 struct sw_tx_bd *sw_bd =
904 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000905
Merav Sicron51c1a582012-03-18 10:33:38 +0000906 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000907 i, cos, j, sw_bd->skb,
908 sw_bd->first_bd);
909 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000910
Ariel Elior6383c0b2011-07-14 08:31:57 +0000911 start = TX_BD(txdata->tx_bd_cons - 10);
912 end = TX_BD(txdata->tx_bd_cons + 254);
913 for (j = start; j != end; j = TX_BD(j + 1)) {
914 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000915
Merav Sicron51c1a582012-03-18 10:33:38 +0000916 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000917 i, cos, j, tx_bd[0], tx_bd[1],
918 tx_bd[2], tx_bd[3]);
919 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000920 }
921 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000922#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700923 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200924 bnx2x_mc_assert(bp);
925 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200926}
927
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300928/*
929 * FLR Support for E2
930 *
931 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
932 * initialization.
933 */
934#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +0000935#define FLR_WAIT_INTERVAL 50 /* usec */
936#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300937
938struct pbf_pN_buf_regs {
939 int pN;
940 u32 init_crd;
941 u32 crd;
942 u32 crd_freed;
943};
944
945struct pbf_pN_cmd_regs {
946 int pN;
947 u32 lines_occup;
948 u32 lines_freed;
949};
950
951static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
952 struct pbf_pN_buf_regs *regs,
953 u32 poll_count)
954{
955 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
956 u32 cur_cnt = poll_count;
957
958 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
959 crd = crd_start = REG_RD(bp, regs->crd);
960 init_crd = REG_RD(bp, regs->init_crd);
961
962 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
963 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
964 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
965
966 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
967 (init_crd - crd_start))) {
968 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000969 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300970 crd = REG_RD(bp, regs->crd);
971 crd_freed = REG_RD(bp, regs->crd_freed);
972 } else {
973 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
974 regs->pN);
975 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
976 regs->pN, crd);
977 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
978 regs->pN, crd_freed);
979 break;
980 }
981 }
982 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000983 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300984}
985
986static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
987 struct pbf_pN_cmd_regs *regs,
988 u32 poll_count)
989{
990 u32 occup, to_free, freed, freed_start;
991 u32 cur_cnt = poll_count;
992
993 occup = to_free = REG_RD(bp, regs->lines_occup);
994 freed = freed_start = REG_RD(bp, regs->lines_freed);
995
996 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
997 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
998
999 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1000 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001001 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001002 occup = REG_RD(bp, regs->lines_occup);
1003 freed = REG_RD(bp, regs->lines_freed);
1004 } else {
1005 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1006 regs->pN);
1007 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1008 regs->pN, occup);
1009 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1010 regs->pN, freed);
1011 break;
1012 }
1013 }
1014 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001015 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001016}
1017
Eric Dumazet1191cb82012-04-27 21:39:21 +00001018static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1019 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001020{
1021 u32 cur_cnt = poll_count;
1022 u32 val;
1023
1024 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001025 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001026
1027 return val;
1028}
1029
Eric Dumazet1191cb82012-04-27 21:39:21 +00001030static int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1031 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001032{
1033 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1034 if (val != 0) {
1035 BNX2X_ERR("%s usage count=%d\n", msg, val);
1036 return 1;
1037 }
1038 return 0;
1039}
1040
1041static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1042{
1043 /* adjust polling timeout */
1044 if (CHIP_REV_IS_EMUL(bp))
1045 return FLR_POLL_CNT * 2000;
1046
1047 if (CHIP_REV_IS_FPGA(bp))
1048 return FLR_POLL_CNT * 120;
1049
1050 return FLR_POLL_CNT;
1051}
1052
1053static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1054{
1055 struct pbf_pN_cmd_regs cmd_regs[] = {
1056 {0, (CHIP_IS_E3B0(bp)) ?
1057 PBF_REG_TQ_OCCUPANCY_Q0 :
1058 PBF_REG_P0_TQ_OCCUPANCY,
1059 (CHIP_IS_E3B0(bp)) ?
1060 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1061 PBF_REG_P0_TQ_LINES_FREED_CNT},
1062 {1, (CHIP_IS_E3B0(bp)) ?
1063 PBF_REG_TQ_OCCUPANCY_Q1 :
1064 PBF_REG_P1_TQ_OCCUPANCY,
1065 (CHIP_IS_E3B0(bp)) ?
1066 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1067 PBF_REG_P1_TQ_LINES_FREED_CNT},
1068 {4, (CHIP_IS_E3B0(bp)) ?
1069 PBF_REG_TQ_OCCUPANCY_LB_Q :
1070 PBF_REG_P4_TQ_OCCUPANCY,
1071 (CHIP_IS_E3B0(bp)) ?
1072 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1073 PBF_REG_P4_TQ_LINES_FREED_CNT}
1074 };
1075
1076 struct pbf_pN_buf_regs buf_regs[] = {
1077 {0, (CHIP_IS_E3B0(bp)) ?
1078 PBF_REG_INIT_CRD_Q0 :
1079 PBF_REG_P0_INIT_CRD ,
1080 (CHIP_IS_E3B0(bp)) ?
1081 PBF_REG_CREDIT_Q0 :
1082 PBF_REG_P0_CREDIT,
1083 (CHIP_IS_E3B0(bp)) ?
1084 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1085 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1086 {1, (CHIP_IS_E3B0(bp)) ?
1087 PBF_REG_INIT_CRD_Q1 :
1088 PBF_REG_P1_INIT_CRD,
1089 (CHIP_IS_E3B0(bp)) ?
1090 PBF_REG_CREDIT_Q1 :
1091 PBF_REG_P1_CREDIT,
1092 (CHIP_IS_E3B0(bp)) ?
1093 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1094 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1095 {4, (CHIP_IS_E3B0(bp)) ?
1096 PBF_REG_INIT_CRD_LB_Q :
1097 PBF_REG_P4_INIT_CRD,
1098 (CHIP_IS_E3B0(bp)) ?
1099 PBF_REG_CREDIT_LB_Q :
1100 PBF_REG_P4_CREDIT,
1101 (CHIP_IS_E3B0(bp)) ?
1102 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1103 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1104 };
1105
1106 int i;
1107
1108 /* Verify the command queues are flushed P0, P1, P4 */
1109 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1110 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1111
1112
1113 /* Verify the transmission buffers are flushed P0, P1, P4 */
1114 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1115 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1116}
1117
1118#define OP_GEN_PARAM(param) \
1119 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1120
1121#define OP_GEN_TYPE(type) \
1122 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1123
1124#define OP_GEN_AGG_VECT(index) \
1125 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1126
1127
Eric Dumazet1191cb82012-04-27 21:39:21 +00001128static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001129 u32 poll_cnt)
1130{
1131 struct sdm_op_gen op_gen = {0};
1132
1133 u32 comp_addr = BAR_CSTRORM_INTMEM +
1134 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1135 int ret = 0;
1136
1137 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001138 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001139 return 1;
1140 }
1141
1142 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1143 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1144 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1145 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1146
Ariel Elior89db4ad2012-01-26 06:01:48 +00001147 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001148 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1149
1150 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1151 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001152 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1153 (REG_RD(bp, comp_addr)));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001154 ret = 1;
1155 }
1156 /* Zero completion for nxt FLR */
1157 REG_WR(bp, comp_addr, 0);
1158
1159 return ret;
1160}
1161
Eric Dumazet1191cb82012-04-27 21:39:21 +00001162static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001163{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001164 u16 status;
1165
Jiang Liu2a80eeb2012-08-20 13:26:51 -06001166 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001167 return status & PCI_EXP_DEVSTA_TRPND;
1168}
1169
1170/* PF FLR specific routines
1171*/
1172static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1173{
1174
1175 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1176 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1177 CFC_REG_NUM_LCIDS_INSIDE_PF,
1178 "CFC PF usage counter timed out",
1179 poll_cnt))
1180 return 1;
1181
1182
1183 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1184 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1185 DORQ_REG_PF_USAGE_CNT,
1186 "DQ PF usage counter timed out",
1187 poll_cnt))
1188 return 1;
1189
1190 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1191 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1192 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1193 "QM PF usage counter timed out",
1194 poll_cnt))
1195 return 1;
1196
1197 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1198 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1199 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1200 "Timers VNIC usage counter timed out",
1201 poll_cnt))
1202 return 1;
1203 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1204 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1205 "Timers NUM_SCANS usage counter timed out",
1206 poll_cnt))
1207 return 1;
1208
1209 /* Wait DMAE PF usage counter to zero */
1210 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1211 dmae_reg_go_c[INIT_DMAE_C(bp)],
1212 "DMAE dommand register timed out",
1213 poll_cnt))
1214 return 1;
1215
1216 return 0;
1217}
1218
1219static void bnx2x_hw_enable_status(struct bnx2x *bp)
1220{
1221 u32 val;
1222
1223 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1224 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1225
1226 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1227 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1228
1229 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1230 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1231
1232 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1233 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1234
1235 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1236 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1237
1238 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1239 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1240
1241 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1242 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1243
1244 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1245 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1246 val);
1247}
1248
1249static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1250{
1251 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1252
1253 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1254
1255 /* Re-enable PF target read access */
1256 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1257
1258 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001259 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001260 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1261 return -EBUSY;
1262
1263 /* Zero the igu 'trailing edge' and 'leading edge' */
1264
1265 /* Send the FW cleanup command */
1266 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1267 return -EBUSY;
1268
1269 /* ATC cleanup */
1270
1271 /* Verify TX hw is flushed */
1272 bnx2x_tx_hw_flushed(bp, poll_cnt);
1273
1274 /* Wait 100ms (not adjusted according to platform) */
1275 msleep(100);
1276
1277 /* Verify no pending pci transactions */
1278 if (bnx2x_is_pcie_pending(bp->pdev))
1279 BNX2X_ERR("PCIE Transactions still pending\n");
1280
1281 /* Debug */
1282 bnx2x_hw_enable_status(bp);
1283
1284 /*
1285 * Master enable - Due to WB DMAE writes performed before this
1286 * register is re-initialized as part of the regular function init
1287 */
1288 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1289
1290 return 0;
1291}
1292
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001293static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001294{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001295 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001296 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1297 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001298 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1299 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1300 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001301
1302 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001303 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1304 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001305 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1306 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001307 if (single_msix)
1308 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001309 } else if (msi) {
1310 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1311 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1312 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1313 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001314 } else {
1315 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001316 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001317 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1318 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001319
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001320 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001321 DP(NETIF_MSG_IFUP,
1322 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001323
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001324 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001325
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001326 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1327 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001328 }
1329
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001330 if (CHIP_IS_E1(bp))
1331 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1332
Merav Sicron51c1a582012-03-18 10:33:38 +00001333 DP(NETIF_MSG_IFUP,
1334 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1335 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001336
1337 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001338 /*
1339 * Ensure that HC_CONFIG is written before leading/trailing edge config
1340 */
1341 mmiowb();
1342 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001343
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001344 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001345 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001346 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001347 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001348 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001349 /* enable nig and gpio3 attention */
1350 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001351 } else
1352 val = 0xffff;
1353
1354 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1355 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1356 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001357
1358 /* Make sure that interrupts are indeed enabled from here on */
1359 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001360}
1361
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001362static void bnx2x_igu_int_enable(struct bnx2x *bp)
1363{
1364 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001365 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1366 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1367 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001368
1369 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1370
1371 if (msix) {
1372 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1373 IGU_PF_CONF_SINGLE_ISR_EN);
1374 val |= (IGU_PF_CONF_FUNC_EN |
1375 IGU_PF_CONF_MSI_MSIX_EN |
1376 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001377
1378 if (single_msix)
1379 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001380 } else if (msi) {
1381 val &= ~IGU_PF_CONF_INT_LINE_EN;
1382 val |= (IGU_PF_CONF_FUNC_EN |
1383 IGU_PF_CONF_MSI_MSIX_EN |
1384 IGU_PF_CONF_ATTN_BIT_EN |
1385 IGU_PF_CONF_SINGLE_ISR_EN);
1386 } else {
1387 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1388 val |= (IGU_PF_CONF_FUNC_EN |
1389 IGU_PF_CONF_INT_LINE_EN |
1390 IGU_PF_CONF_ATTN_BIT_EN |
1391 IGU_PF_CONF_SINGLE_ISR_EN);
1392 }
1393
Merav Sicron51c1a582012-03-18 10:33:38 +00001394 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001395 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1396
1397 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1398
Yuval Mintz79a85572012-04-03 18:41:25 +00001399 if (val & IGU_PF_CONF_INT_LINE_EN)
1400 pci_intx(bp->pdev, true);
1401
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001402 barrier();
1403
1404 /* init leading/trailing edge */
1405 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001406 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001407 if (bp->port.pmf)
1408 /* enable nig and gpio3 attention */
1409 val |= 0x1100;
1410 } else
1411 val = 0xffff;
1412
1413 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1414 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1415
1416 /* Make sure that interrupts are indeed enabled from here on */
1417 mmiowb();
1418}
1419
1420void bnx2x_int_enable(struct bnx2x *bp)
1421{
1422 if (bp->common.int_block == INT_BLOCK_HC)
1423 bnx2x_hc_int_enable(bp);
1424 else
1425 bnx2x_igu_int_enable(bp);
1426}
1427
1428static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001429{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001430 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001431 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1432 u32 val = REG_RD(bp, addr);
1433
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001434 /*
1435 * in E1 we must use only PCI configuration space to disable
1436 * MSI/MSIX capablility
1437 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1438 */
1439 if (CHIP_IS_E1(bp)) {
1440 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1441 * Use mask register to prevent from HC sending interrupts
1442 * after we exit the function
1443 */
1444 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1445
1446 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1447 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1448 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1449 } else
1450 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1451 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1452 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1453 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001454
Merav Sicron51c1a582012-03-18 10:33:38 +00001455 DP(NETIF_MSG_IFDOWN,
1456 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001457 val, port, addr);
1458
Eilon Greenstein8badd272009-02-12 08:36:15 +00001459 /* flush all outstanding writes */
1460 mmiowb();
1461
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001462 REG_WR(bp, addr, val);
1463 if (REG_RD(bp, addr) != val)
1464 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1465}
1466
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001467static void bnx2x_igu_int_disable(struct bnx2x *bp)
1468{
1469 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1470
1471 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1472 IGU_PF_CONF_INT_LINE_EN |
1473 IGU_PF_CONF_ATTN_BIT_EN);
1474
Merav Sicron51c1a582012-03-18 10:33:38 +00001475 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001476
1477 /* flush all outstanding writes */
1478 mmiowb();
1479
1480 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1481 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1482 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1483}
1484
Merav Sicron910cc722012-11-11 03:56:08 +00001485static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001486{
1487 if (bp->common.int_block == INT_BLOCK_HC)
1488 bnx2x_hc_int_disable(bp);
1489 else
1490 bnx2x_igu_int_disable(bp);
1491}
1492
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001493void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001494{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001495 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001496 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001497
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001498 if (disable_hw)
1499 /* prevent the HW from sending interrupts */
1500 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001501
1502 /* make sure all ISRs are done */
1503 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001504 synchronize_irq(bp->msix_table[0].vector);
1505 offset = 1;
Merav Sicron55c11942012-11-07 00:45:48 +00001506 if (CNIC_SUPPORT(bp))
1507 offset++;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001508 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001509 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001510 } else
1511 synchronize_irq(bp->pdev->irq);
1512
1513 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001514 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001515 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001516 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001517}
1518
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001519/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001520
1521/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001522 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001523 */
1524
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001525/* Return true if succeeded to acquire the lock */
1526static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1527{
1528 u32 lock_status;
1529 u32 resource_bit = (1 << resource);
1530 int func = BP_FUNC(bp);
1531 u32 hw_lock_control_reg;
1532
Merav Sicron51c1a582012-03-18 10:33:38 +00001533 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1534 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001535
1536 /* Validating that the resource is within range */
1537 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001538 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001539 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1540 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001541 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001542 }
1543
1544 if (func <= 5)
1545 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1546 else
1547 hw_lock_control_reg =
1548 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1549
1550 /* Try to acquire the lock */
1551 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1552 lock_status = REG_RD(bp, hw_lock_control_reg);
1553 if (lock_status & resource_bit)
1554 return true;
1555
Merav Sicron51c1a582012-03-18 10:33:38 +00001556 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1557 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001558 return false;
1559}
1560
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001561/**
1562 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1563 *
1564 * @bp: driver handle
1565 *
1566 * Returns the recovery leader resource id according to the engine this function
1567 * belongs to. Currently only only 2 engines is supported.
1568 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001569static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001570{
1571 if (BP_PATH(bp))
1572 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1573 else
1574 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1575}
1576
1577/**
1578 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1579 *
1580 * @bp: driver handle
1581 *
Eric Dumazet1191cb82012-04-27 21:39:21 +00001582 * Tries to aquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001583 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001584static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001585{
1586 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1587}
1588
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001589static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Merav Sicron55c11942012-11-07 00:45:48 +00001590
Eilon Greenstein3196a882008-08-13 15:58:49 -07001591
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001592void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001593{
1594 struct bnx2x *bp = fp->bp;
1595 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1596 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001597 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
Barak Witkowski15192a82012-06-19 07:48:28 +00001598 struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001599
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001600 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001601 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001602 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001603 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001604
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001605 switch (command) {
1606 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001607 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001608 drv_cmd = BNX2X_Q_CMD_UPDATE;
1609 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001610
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001611 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001612 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001613 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001614 break;
1615
Ariel Elior6383c0b2011-07-14 08:31:57 +00001616 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001617 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001618 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1619 break;
1620
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001621 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001622 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001623 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001624 break;
1625
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001626 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001627 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001628 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1629 break;
1630
1631 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001632 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001633 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001634 break;
1635
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001636 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001637 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1638 command, fp->index);
1639 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001640 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001641
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001642 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1643 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1644 /* q_obj->complete_cmd() failure means that this was
1645 * an unexpected completion.
1646 *
1647 * In this case we don't want to increase the bp->spq_left
1648 * because apparently we haven't sent this command the first
1649 * place.
1650 */
1651#ifdef BNX2X_STOP_ON_ERROR
1652 bnx2x_panic();
1653#else
1654 return;
1655#endif
1656
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001657 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001658 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001659 /* push the change in bp->spq_left and towards the memory */
1660 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001661
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001662 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1663
Barak Witkowskia3348722012-04-23 03:04:46 +00001664 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1665 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1666 /* if Q update ramrod is completed for last Q in AFEX vif set
1667 * flow, then ACK MCP at the end
1668 *
1669 * mark pending ACK to MCP bit.
1670 * prevent case that both bits are cleared.
1671 * At the end of load/unload driver checks that
1672 * sp_state is cleaerd, and this order prevents
1673 * races
1674 */
1675 smp_mb__before_clear_bit();
1676 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1677 wmb();
1678 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1679 smp_mb__after_clear_bit();
1680
1681 /* schedule workqueue to send ack to MCP */
1682 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1683 }
1684
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001685 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001686}
1687
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001688void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1689 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1690{
1691 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1692
1693 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1694 start);
1695}
1696
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001697irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001698{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001699 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001700 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001701 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001702 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001703 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001704
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001705 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001706 if (unlikely(status == 0)) {
1707 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1708 return IRQ_NONE;
1709 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001710 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001711
Eilon Greenstein3196a882008-08-13 15:58:49 -07001712#ifdef BNX2X_STOP_ON_ERROR
1713 if (unlikely(bp->panic))
1714 return IRQ_HANDLED;
1715#endif
1716
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001717 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001718 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001719
Merav Sicron55c11942012-11-07 00:45:48 +00001720 mask = 0x2 << (fp->index + CNIC_SUPPORT(bp));
Eilon Greensteinca003922009-08-12 22:53:28 -07001721 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001722 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001723 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001724 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00001725 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001726 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001727 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001728 status &= ~mask;
1729 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001730 }
1731
Merav Sicron55c11942012-11-07 00:45:48 +00001732 if (CNIC_SUPPORT(bp)) {
1733 mask = 0x2;
1734 if (status & (mask | 0x1)) {
1735 struct cnic_ops *c_ops = NULL;
Michael Chan993ac7b2009-10-10 13:46:56 +00001736
Merav Sicron55c11942012-11-07 00:45:48 +00001737 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1738 rcu_read_lock();
1739 c_ops = rcu_dereference(bp->cnic_ops);
1740 if (c_ops)
1741 c_ops->cnic_handler(bp->cnic_data,
1742 NULL);
1743 rcu_read_unlock();
1744 }
1745
1746 status &= ~mask;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001747 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001748 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001749
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001750 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001751 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001752
1753 status &= ~0x1;
1754 if (!status)
1755 return IRQ_HANDLED;
1756 }
1757
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001758 if (unlikely(status))
1759 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001760 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001761
1762 return IRQ_HANDLED;
1763}
1764
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001765/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001766
1767/*
1768 * General service functions
1769 */
1770
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001771int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001772{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001773 u32 lock_status;
1774 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001775 int func = BP_FUNC(bp);
1776 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001777 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001778
1779 /* Validating that the resource is within range */
1780 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001781 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001782 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1783 return -EINVAL;
1784 }
1785
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001786 if (func <= 5) {
1787 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1788 } else {
1789 hw_lock_control_reg =
1790 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1791 }
1792
Eliezer Tamirf1410642008-02-28 11:51:50 -08001793 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001794 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001795 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001796 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001797 lock_status, resource_bit);
1798 return -EEXIST;
1799 }
1800
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001801 /* Try for 5 second every 5ms */
1802 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001803 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001804 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1805 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001806 if (lock_status & resource_bit)
1807 return 0;
1808
1809 msleep(5);
1810 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001811 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001812 return -EAGAIN;
1813}
1814
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001815int bnx2x_release_leader_lock(struct bnx2x *bp)
1816{
1817 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1818}
1819
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001820int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001821{
1822 u32 lock_status;
1823 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001824 int func = BP_FUNC(bp);
1825 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001826
1827 /* Validating that the resource is within range */
1828 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001829 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001830 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1831 return -EINVAL;
1832 }
1833
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001834 if (func <= 5) {
1835 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1836 } else {
1837 hw_lock_control_reg =
1838 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1839 }
1840
Eliezer Tamirf1410642008-02-28 11:51:50 -08001841 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001842 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001843 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001844 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 -08001845 lock_status, resource_bit);
1846 return -EFAULT;
1847 }
1848
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001849 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001850 return 0;
1851}
1852
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001853
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001854int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1855{
1856 /* The GPIO should be swapped if swap register is set and active */
1857 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1858 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1859 int gpio_shift = gpio_num +
1860 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1861 u32 gpio_mask = (1 << gpio_shift);
1862 u32 gpio_reg;
1863 int value;
1864
1865 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1866 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1867 return -EINVAL;
1868 }
1869
1870 /* read GPIO value */
1871 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1872
1873 /* get the requested pin value */
1874 if ((gpio_reg & gpio_mask) == gpio_mask)
1875 value = 1;
1876 else
1877 value = 0;
1878
1879 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1880
1881 return value;
1882}
1883
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001884int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001885{
1886 /* The GPIO should be swapped if swap register is set and active */
1887 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001888 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001889 int gpio_shift = gpio_num +
1890 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1891 u32 gpio_mask = (1 << gpio_shift);
1892 u32 gpio_reg;
1893
1894 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1895 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1896 return -EINVAL;
1897 }
1898
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001899 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001900 /* read GPIO and mask except the float bits */
1901 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1902
1903 switch (mode) {
1904 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001905 DP(NETIF_MSG_LINK,
1906 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001907 gpio_num, gpio_shift);
1908 /* clear FLOAT and set CLR */
1909 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1910 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1911 break;
1912
1913 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001914 DP(NETIF_MSG_LINK,
1915 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001916 gpio_num, gpio_shift);
1917 /* clear FLOAT and set SET */
1918 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1919 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1920 break;
1921
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001922 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001923 DP(NETIF_MSG_LINK,
1924 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001925 gpio_num, gpio_shift);
1926 /* set FLOAT */
1927 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1928 break;
1929
1930 default:
1931 break;
1932 }
1933
1934 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001935 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001936
1937 return 0;
1938}
1939
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001940int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1941{
1942 u32 gpio_reg = 0;
1943 int rc = 0;
1944
1945 /* Any port swapping should be handled by caller. */
1946
1947 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1948 /* read GPIO and mask except the float bits */
1949 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1950 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1951 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1952 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1953
1954 switch (mode) {
1955 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1956 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1957 /* set CLR */
1958 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1959 break;
1960
1961 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1962 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1963 /* set SET */
1964 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
1965 break;
1966
1967 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1968 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
1969 /* set FLOAT */
1970 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1971 break;
1972
1973 default:
1974 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
1975 rc = -EINVAL;
1976 break;
1977 }
1978
1979 if (rc == 0)
1980 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1981
1982 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1983
1984 return rc;
1985}
1986
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001987int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1988{
1989 /* The GPIO should be swapped if swap register is set and active */
1990 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1991 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1992 int gpio_shift = gpio_num +
1993 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1994 u32 gpio_mask = (1 << gpio_shift);
1995 u32 gpio_reg;
1996
1997 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1998 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1999 return -EINVAL;
2000 }
2001
2002 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2003 /* read GPIO int */
2004 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2005
2006 switch (mode) {
2007 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002008 DP(NETIF_MSG_LINK,
2009 "Clear GPIO INT %d (shift %d) -> output low\n",
2010 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002011 /* clear SET and set CLR */
2012 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2013 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2014 break;
2015
2016 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002017 DP(NETIF_MSG_LINK,
2018 "Set GPIO INT %d (shift %d) -> output high\n",
2019 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002020 /* clear CLR and set SET */
2021 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2022 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2023 break;
2024
2025 default:
2026 break;
2027 }
2028
2029 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2030 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2031
2032 return 0;
2033}
2034
Eliezer Tamirf1410642008-02-28 11:51:50 -08002035static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2036{
2037 u32 spio_mask = (1 << spio_num);
2038 u32 spio_reg;
2039
2040 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2041 (spio_num > MISC_REGISTERS_SPIO_7)) {
2042 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2043 return -EINVAL;
2044 }
2045
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002046 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002047 /* read SPIO and mask except the float bits */
2048 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2049
2050 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002051 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002052 DP(NETIF_MSG_HW, "Set SPIO %d -> output low\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002053 /* clear FLOAT and set CLR */
2054 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2055 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2056 break;
2057
Eilon Greenstein6378c022008-08-13 15:59:25 -07002058 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002059 DP(NETIF_MSG_HW, "Set SPIO %d -> output high\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002060 /* clear FLOAT and set SET */
2061 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2062 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2063 break;
2064
2065 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002066 DP(NETIF_MSG_HW, "Set SPIO %d -> input\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002067 /* set FLOAT */
2068 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2069 break;
2070
2071 default:
2072 break;
2073 }
2074
2075 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002076 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002077
2078 return 0;
2079}
2080
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002081void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002082{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002083 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002084 switch (bp->link_vars.ieee_fc &
2085 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002086 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002087 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002088 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002089 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002090
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002091 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002092 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002093 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002094 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002095
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002096 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002097 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002098 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002099
Eliezer Tamirf1410642008-02-28 11:51:50 -08002100 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002101 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002102 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002103 break;
2104 }
2105}
2106
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002107u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002108{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002109 if (!BP_NOMCP(bp)) {
2110 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002111 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2112 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002113 /*
2114 * Initialize link parameters structure variables
2115 * It is recommended to turn off RX FC for jumbo frames
2116 * for better performance
2117 */
2118 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002119 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002120 else
David S. Millerc0700f92008-12-16 23:53:20 -08002121 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002122
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002123 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002124
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002125 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002126 struct link_params *lp = &bp->link_params;
2127 lp->loopback_mode = LOOPBACK_XGXS;
2128 /* do PHY loopback at 10G speed, if possible */
2129 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2130 if (lp->speed_cap_mask[cfx_idx] &
2131 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2132 lp->req_line_speed[cfx_idx] =
2133 SPEED_10000;
2134 else
2135 lp->req_line_speed[cfx_idx] =
2136 SPEED_1000;
2137 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002138 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002139
Merav Sicron8970b2e2012-06-19 07:48:22 +00002140 if (load_mode == LOAD_LOOPBACK_EXT) {
2141 struct link_params *lp = &bp->link_params;
2142 lp->loopback_mode = LOOPBACK_EXT;
2143 }
2144
Eilon Greenstein19680c42008-08-13 15:47:33 -07002145 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002146
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002147 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002148
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002149 bnx2x_calc_fc_adv(bp);
2150
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002151 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002153 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002154 } else
2155 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002156 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002157 return rc;
2158 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002159 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002160 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002161}
2162
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002163void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002164{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002165 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002166 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002167 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002168 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002169
Eilon Greenstein19680c42008-08-13 15:47:33 -07002170 bnx2x_calc_fc_adv(bp);
2171 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002172 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002173}
2174
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002175static void bnx2x__link_reset(struct bnx2x *bp)
2176{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002177 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002178 bnx2x_acquire_phy_lock(bp);
Yuval Mintz5d07d862012-09-13 02:56:21 +00002179 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002180 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002181 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002182 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002183}
2184
Yuval Mintz5d07d862012-09-13 02:56:21 +00002185void bnx2x_force_link_reset(struct bnx2x *bp)
2186{
2187 bnx2x_acquire_phy_lock(bp);
2188 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2189 bnx2x_release_phy_lock(bp);
2190}
2191
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002192u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002193{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002194 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002195
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002196 if (!BP_NOMCP(bp)) {
2197 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002198 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2199 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002200 bnx2x_release_phy_lock(bp);
2201 } else
2202 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002203
2204 return rc;
2205}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002206
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002207
Eilon Greenstein2691d512009-08-12 08:22:08 +00002208/* Calculates the sum of vn_min_rates.
2209 It's needed for further normalizing of the min_rates.
2210 Returns:
2211 sum of vn_min_rates.
2212 or
2213 0 - if all the min_rates are 0.
2214 In the later case fainess algorithm should be deactivated.
2215 If not all min_rates are zero then those that are zeroes will be set to 1.
2216 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002217static void bnx2x_calc_vn_min(struct bnx2x *bp,
2218 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002219{
2220 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002221 int vn;
2222
David S. Miller8decf862011-09-22 03:23:13 -04002223 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002224 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002225 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2226 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2227
2228 /* Skip hidden vns */
2229 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002230 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002231 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002232 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002233 vn_min_rate = DEF_MIN_RATE;
2234 else
2235 all_zero = 0;
2236
Yuval Mintzb475d782012-04-03 18:41:29 +00002237 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002238 }
2239
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002240 /* if ETS or all min rates are zeros - disable fairness */
2241 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002242 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002243 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2244 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2245 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002246 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002247 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002248 DP(NETIF_MSG_IFUP,
2249 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002250 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002251 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002252 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002253}
2254
Yuval Mintzb475d782012-04-03 18:41:29 +00002255static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2256 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002257{
Yuval Mintzb475d782012-04-03 18:41:29 +00002258 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002259 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002260
Yuval Mintzb475d782012-04-03 18:41:29 +00002261 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002262 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002263 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002264 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2265
Yuval Mintzb475d782012-04-03 18:41:29 +00002266 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002267 /* maxCfg in percents of linkspeed */
2268 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002269 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002270 /* maxCfg is absolute in 100Mb units */
2271 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002272 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002273
Yuval Mintzb475d782012-04-03 18:41:29 +00002274 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002275
Yuval Mintzb475d782012-04-03 18:41:29 +00002276 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002277}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002278
Yuval Mintzb475d782012-04-03 18:41:29 +00002279
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002280static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2281{
2282 if (CHIP_REV_IS_SLOW(bp))
2283 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002284 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002285 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002286
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287 return CMNG_FNS_NONE;
2288}
2289
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002290void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002291{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002292 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002293
2294 if (BP_NOMCP(bp))
2295 return; /* what should be the default bvalue in this case */
2296
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002297 /* For 2 port configuration the absolute function number formula
2298 * is:
2299 * abs_func = 2 * vn + BP_PORT + BP_PATH
2300 *
2301 * and there are 4 functions per port
2302 *
2303 * For 4 port configuration it is
2304 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2305 *
2306 * and there are 2 functions per port
2307 */
David S. Miller8decf862011-09-22 03:23:13 -04002308 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002309 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2310
2311 if (func >= E1H_FUNC_MAX)
2312 break;
2313
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002314 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002315 MF_CFG_RD(bp, func_mf_config[func].config);
2316 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002317 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2318 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2319 bp->flags |= MF_FUNC_DIS;
2320 } else {
2321 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2322 bp->flags &= ~MF_FUNC_DIS;
2323 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002324}
2325
2326static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2327{
Yuval Mintzb475d782012-04-03 18:41:29 +00002328 struct cmng_init_input input;
2329 memset(&input, 0, sizeof(struct cmng_init_input));
2330
2331 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002332
2333 if (cmng_type == CMNG_FNS_MINMAX) {
2334 int vn;
2335
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002336 /* read mf conf from shmem */
2337 if (read_cfg)
2338 bnx2x_read_mf_cfg(bp);
2339
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002340 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002341 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002342
2343 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002344 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002345 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002346 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002347
2348 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002349 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002350 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002351
2352 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002353 return;
2354 }
2355
2356 /* rate shaping and fairness are disabled */
2357 DP(NETIF_MSG_IFUP,
2358 "rate shaping and fairness are disabled\n");
2359}
2360
Eric Dumazet1191cb82012-04-27 21:39:21 +00002361static void storm_memset_cmng(struct bnx2x *bp,
2362 struct cmng_init *cmng,
2363 u8 port)
2364{
2365 int vn;
2366 size_t size = sizeof(struct cmng_struct_per_port);
2367
2368 u32 addr = BAR_XSTRORM_INTMEM +
2369 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2370
2371 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2372
2373 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2374 int func = func_by_vn(bp, vn);
2375
2376 addr = BAR_XSTRORM_INTMEM +
2377 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2378 size = sizeof(struct rate_shaping_vars_per_vn);
2379 __storm_memset_struct(bp, addr, size,
2380 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2381
2382 addr = BAR_XSTRORM_INTMEM +
2383 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2384 size = sizeof(struct fairness_vars_per_vn);
2385 __storm_memset_struct(bp, addr, size,
2386 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2387 }
2388}
2389
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002390/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002391static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002392{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002393 /* Make sure that we are synced with the current statistics */
2394 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2395
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002396 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002397
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002398 if (bp->link_vars.link_up) {
2399
Eilon Greenstein1c063282009-02-12 08:36:43 +00002400 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002401 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002402 int port = BP_PORT(bp);
2403 u32 pause_enabled = 0;
2404
2405 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2406 pause_enabled = 1;
2407
2408 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002409 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002410 pause_enabled);
2411 }
2412
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002413 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002414 struct host_port_stats *pstats;
2415
2416 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002417 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002418 memset(&(pstats->mac_stx[0]), 0,
2419 sizeof(struct mac_stx));
2420 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002421 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002422 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2423 }
2424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002425 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2426 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002427
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002428 if (cmng_fns != CMNG_FNS_NONE) {
2429 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2430 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2431 } else
2432 /* rate shaping and fairness are disabled */
2433 DP(NETIF_MSG_IFUP,
2434 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002435 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002436
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002437 __bnx2x_link_report(bp);
2438
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002439 if (IS_MF(bp))
2440 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002441}
2442
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002443void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002444{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002445 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002446 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002447
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002448 /* read updated dcb configuration */
2449 bnx2x_dcbx_pmf_update(bp);
2450
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002451 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2452
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002453 if (bp->link_vars.link_up)
2454 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2455 else
2456 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2457
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002458 /* indicate link status */
2459 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002460}
2461
Barak Witkowskia3348722012-04-23 03:04:46 +00002462static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2463 u16 vlan_val, u8 allowed_prio)
2464{
2465 struct bnx2x_func_state_params func_params = {0};
2466 struct bnx2x_func_afex_update_params *f_update_params =
2467 &func_params.params.afex_update;
2468
2469 func_params.f_obj = &bp->func_obj;
2470 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2471
2472 /* no need to wait for RAMROD completion, so don't
2473 * set RAMROD_COMP_WAIT flag
2474 */
2475
2476 f_update_params->vif_id = vifid;
2477 f_update_params->afex_default_vlan = vlan_val;
2478 f_update_params->allowed_priorities = allowed_prio;
2479
2480 /* if ramrod can not be sent, response to MCP immediately */
2481 if (bnx2x_func_state_change(bp, &func_params) < 0)
2482 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2483
2484 return 0;
2485}
2486
2487static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2488 u16 vif_index, u8 func_bit_map)
2489{
2490 struct bnx2x_func_state_params func_params = {0};
2491 struct bnx2x_func_afex_viflists_params *update_params =
2492 &func_params.params.afex_viflists;
2493 int rc;
2494 u32 drv_msg_code;
2495
2496 /* validate only LIST_SET and LIST_GET are received from switch */
2497 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2498 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2499 cmd_type);
2500
2501 func_params.f_obj = &bp->func_obj;
2502 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2503
2504 /* set parameters according to cmd_type */
2505 update_params->afex_vif_list_command = cmd_type;
2506 update_params->vif_list_index = cpu_to_le16(vif_index);
2507 update_params->func_bit_map =
2508 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2509 update_params->func_to_clear = 0;
2510 drv_msg_code =
2511 (cmd_type == VIF_LIST_RULE_GET) ?
2512 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2513 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2514
2515 /* if ramrod can not be sent, respond to MCP immediately for
2516 * SET and GET requests (other are not triggered from MCP)
2517 */
2518 rc = bnx2x_func_state_change(bp, &func_params);
2519 if (rc < 0)
2520 bnx2x_fw_command(bp, drv_msg_code, 0);
2521
2522 return 0;
2523}
2524
2525static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2526{
2527 struct afex_stats afex_stats;
2528 u32 func = BP_ABS_FUNC(bp);
2529 u32 mf_config;
2530 u16 vlan_val;
2531 u32 vlan_prio;
2532 u16 vif_id;
2533 u8 allowed_prio;
2534 u8 vlan_mode;
2535 u32 addr_to_write, vifid, addrs, stats_type, i;
2536
2537 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2538 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2539 DP(BNX2X_MSG_MCP,
2540 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2541 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2542 }
2543
2544 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2545 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2546 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2547 DP(BNX2X_MSG_MCP,
2548 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2549 vifid, addrs);
2550 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2551 addrs);
2552 }
2553
2554 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2555 addr_to_write = SHMEM2_RD(bp,
2556 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2557 stats_type = SHMEM2_RD(bp,
2558 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2559
2560 DP(BNX2X_MSG_MCP,
2561 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2562 addr_to_write);
2563
2564 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2565
2566 /* write response to scratchpad, for MCP */
2567 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2568 REG_WR(bp, addr_to_write + i*sizeof(u32),
2569 *(((u32 *)(&afex_stats))+i));
2570
2571 /* send ack message to MCP */
2572 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2573 }
2574
2575 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2576 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2577 bp->mf_config[BP_VN(bp)] = mf_config;
2578 DP(BNX2X_MSG_MCP,
2579 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2580 mf_config);
2581
2582 /* if VIF_SET is "enabled" */
2583 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2584 /* set rate limit directly to internal RAM */
2585 struct cmng_init_input cmng_input;
2586 struct rate_shaping_vars_per_vn m_rs_vn;
2587 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2588 u32 addr = BAR_XSTRORM_INTMEM +
2589 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2590
2591 bp->mf_config[BP_VN(bp)] = mf_config;
2592
2593 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2594 m_rs_vn.vn_counter.rate =
2595 cmng_input.vnic_max_rate[BP_VN(bp)];
2596 m_rs_vn.vn_counter.quota =
2597 (m_rs_vn.vn_counter.rate *
2598 RS_PERIODIC_TIMEOUT_USEC) / 8;
2599
2600 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2601
2602 /* read relevant values from mf_cfg struct in shmem */
2603 vif_id =
2604 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2605 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2606 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2607 vlan_val =
2608 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2609 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2610 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2611 vlan_prio = (mf_config &
2612 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2613 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2614 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2615 vlan_mode =
2616 (MF_CFG_RD(bp,
2617 func_mf_config[func].afex_config) &
2618 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2619 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2620 allowed_prio =
2621 (MF_CFG_RD(bp,
2622 func_mf_config[func].afex_config) &
2623 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2624 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2625
2626 /* send ramrod to FW, return in case of failure */
2627 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2628 allowed_prio))
2629 return;
2630
2631 bp->afex_def_vlan_tag = vlan_val;
2632 bp->afex_vlan_mode = vlan_mode;
2633 } else {
2634 /* notify link down because BP->flags is disabled */
2635 bnx2x_link_report(bp);
2636
2637 /* send INVALID VIF ramrod to FW */
2638 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2639
2640 /* Reset the default afex VLAN */
2641 bp->afex_def_vlan_tag = -1;
2642 }
2643 }
2644}
2645
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002646static void bnx2x_pmf_update(struct bnx2x *bp)
2647{
2648 int port = BP_PORT(bp);
2649 u32 val;
2650
2651 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002652 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002653
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002654 /*
2655 * We need the mb() to ensure the ordering between the writing to
2656 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2657 */
2658 smp_mb();
2659
2660 /* queue a periodic task */
2661 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2662
Dmitry Kravkovef018542011-06-14 01:33:57 +00002663 bnx2x_dcbx_pmf_update(bp);
2664
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002665 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002666 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002667 if (bp->common.int_block == INT_BLOCK_HC) {
2668 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2669 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002670 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002671 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2672 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2673 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002674
2675 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002676}
2677
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002678/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002679
2680/* slow path */
2681
2682/*
2683 * General service functions
2684 */
2685
Eilon Greenstein2691d512009-08-12 08:22:08 +00002686/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002687u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002688{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002689 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002690 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002691 u32 rc = 0;
2692 u32 cnt = 1;
2693 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2694
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002695 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002696 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002697 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2698 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2699
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002700 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2701 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002702
2703 do {
2704 /* let the FW do it's magic ... */
2705 msleep(delay);
2706
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002707 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002708
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002709 /* Give the FW up to 5 second (500*10ms) */
2710 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002711
2712 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2713 cnt*delay, rc, seq);
2714
2715 /* is this a reply to our command? */
2716 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2717 rc &= FW_MSG_CODE_MASK;
2718 else {
2719 /* FW BUG! */
2720 BNX2X_ERR("FW failed to respond!\n");
2721 bnx2x_fw_dump(bp);
2722 rc = 0;
2723 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002724 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002725
2726 return rc;
2727}
2728
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002729
Eric Dumazet1191cb82012-04-27 21:39:21 +00002730static void storm_memset_func_cfg(struct bnx2x *bp,
2731 struct tstorm_eth_function_common_config *tcfg,
2732 u16 abs_fid)
2733{
2734 size_t size = sizeof(struct tstorm_eth_function_common_config);
2735
2736 u32 addr = BAR_TSTRORM_INTMEM +
2737 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2738
2739 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2740}
2741
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002742void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002743{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002744 if (CHIP_IS_E1x(bp)) {
2745 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002746
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002747 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2748 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002749
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002750 /* Enable the function in the FW */
2751 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2752 storm_memset_func_en(bp, p->func_id, 1);
2753
2754 /* spq */
2755 if (p->func_flgs & FUNC_FLG_SPQ) {
2756 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2757 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2758 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2759 }
2760}
2761
Ariel Elior6383c0b2011-07-14 08:31:57 +00002762/**
2763 * bnx2x_get_tx_only_flags - Return common flags
2764 *
2765 * @bp device handle
2766 * @fp queue handle
2767 * @zero_stats TRUE if statistics zeroing is needed
2768 *
2769 * Return the flags that are common for the Tx-only and not normal connections.
2770 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002771static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2772 struct bnx2x_fastpath *fp,
2773 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002774{
2775 unsigned long flags = 0;
2776
2777 /* PF driver will always initialize the Queue to an ACTIVE state */
2778 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2779
Ariel Elior6383c0b2011-07-14 08:31:57 +00002780 /* tx only connections collect statistics (on the same index as the
2781 * parent connection). The statistics are zeroed when the parent
2782 * connection is initialized.
2783 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002784
2785 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2786 if (zero_stats)
2787 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2788
Ariel Elior6383c0b2011-07-14 08:31:57 +00002789
2790 return flags;
2791}
2792
Eric Dumazet1191cb82012-04-27 21:39:21 +00002793static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2794 struct bnx2x_fastpath *fp,
2795 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002796{
2797 unsigned long flags = 0;
2798
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002799 /* calculate other queue flags */
2800 if (IS_MF_SD(bp))
2801 __set_bit(BNX2X_Q_FLG_OV, &flags);
2802
Barak Witkowskia3348722012-04-23 03:04:46 +00002803 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002804 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002805 /* For FCoE - force usage of default priority (for afex) */
2806 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2807 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002808
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002809 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002810 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002811 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002812 if (fp->mode == TPA_MODE_GRO)
2813 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002814 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002815
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002816 if (leading) {
2817 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2818 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2819 }
2820
2821 /* Always set HW VLAN stripping */
2822 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002823
Barak Witkowskia3348722012-04-23 03:04:46 +00002824 /* configure silent vlan removal */
2825 if (IS_MF_AFEX(bp))
2826 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2827
Ariel Elior6383c0b2011-07-14 08:31:57 +00002828
2829 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002830}
2831
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002832static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002833 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2834 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002835{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002836 gen_init->stat_id = bnx2x_stats_id(fp);
2837 gen_init->spcl_id = fp->cl_id;
2838
2839 /* Always use mini-jumbo MTU for FCoE L2 ring */
2840 if (IS_FCOE_FP(fp))
2841 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2842 else
2843 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002844
2845 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002846}
2847
2848static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2849 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2850 struct bnx2x_rxq_setup_params *rxq_init)
2851{
2852 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002853 u16 sge_sz = 0;
2854 u16 tpa_agg_size = 0;
2855
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002856 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002857 pause->sge_th_lo = SGE_TH_LO(bp);
2858 pause->sge_th_hi = SGE_TH_HI(bp);
2859
2860 /* validate SGE ring has enough to cross high threshold */
2861 WARN_ON(bp->dropless_fc &&
2862 pause->sge_th_hi + FW_PREFETCH_CNT >
2863 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2864
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002865 tpa_agg_size = min_t(u32,
2866 (min_t(u32, 8, MAX_SKB_FRAGS) *
2867 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2868 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2869 SGE_PAGE_SHIFT;
2870 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2871 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2872 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2873 0xffff);
2874 }
2875
2876 /* pause - not for e1 */
2877 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002878 pause->bd_th_lo = BD_TH_LO(bp);
2879 pause->bd_th_hi = BD_TH_HI(bp);
2880
2881 pause->rcq_th_lo = RCQ_TH_LO(bp);
2882 pause->rcq_th_hi = RCQ_TH_HI(bp);
2883 /*
2884 * validate that rings have enough entries to cross
2885 * high thresholds
2886 */
2887 WARN_ON(bp->dropless_fc &&
2888 pause->bd_th_hi + FW_PREFETCH_CNT >
2889 bp->rx_ring_size);
2890 WARN_ON(bp->dropless_fc &&
2891 pause->rcq_th_hi + FW_PREFETCH_CNT >
2892 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002893
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002894 pause->pri_map = 1;
2895 }
2896
2897 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002898 rxq_init->dscr_map = fp->rx_desc_mapping;
2899 rxq_init->sge_map = fp->rx_sge_mapping;
2900 rxq_init->rcq_map = fp->rx_comp_mapping;
2901 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002902
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002903 /* This should be a maximum number of data bytes that may be
2904 * placed on the BD (not including paddings).
2905 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002906 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2907 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002908
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002909 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002910 rxq_init->tpa_agg_sz = tpa_agg_size;
2911 rxq_init->sge_buf_sz = sge_sz;
2912 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002913 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002914 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002915
2916 /* Maximum number or simultaneous TPA aggregation for this Queue.
2917 *
2918 * For PF Clients it should be the maximum avaliable number.
2919 * VF driver(s) may want to define it to a smaller value.
2920 */
David S. Miller8decf862011-09-22 03:23:13 -04002921 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002922
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002923 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2924 rxq_init->fw_sb_id = fp->fw_sb_id;
2925
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002926 if (IS_FCOE_FP(fp))
2927 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2928 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002929 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002930 /* configure silent vlan removal
2931 * if multi function mode is afex, then mask default vlan
2932 */
2933 if (IS_MF_AFEX(bp)) {
2934 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2935 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2936 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002937}
2938
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002939static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002940 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2941 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002942{
Merav Sicron65565882012-06-19 07:48:26 +00002943 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002944 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002945 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2946 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002947
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002948 /*
2949 * set the tss leading client id for TX classfication ==
2950 * leading RSS client id
2951 */
2952 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2953
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002954 if (IS_FCOE_FP(fp)) {
2955 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2956 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2957 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002958}
2959
stephen hemminger8d962862010-10-21 07:50:56 +00002960static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002961{
2962 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002963 struct event_ring_data eq_data = { {0} };
2964 u16 flags;
2965
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002966 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002967 /* reset IGU PF statistics: MSIX + ATTN */
2968 /* PF */
2969 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2970 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2971 (CHIP_MODE_IS_4_PORT(bp) ?
2972 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2973 /* ATTN */
2974 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2975 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2976 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2977 (CHIP_MODE_IS_4_PORT(bp) ?
2978 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2979 }
2980
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002981 /* function setup flags */
2982 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2983
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002984 /* This flag is relevant for E1x only.
2985 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002986 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002987 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002988
2989 func_init.func_flgs = flags;
2990 func_init.pf_id = BP_FUNC(bp);
2991 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002992 func_init.spq_map = bp->spq_mapping;
2993 func_init.spq_prod = bp->spq_prod_idx;
2994
2995 bnx2x_func_init(bp, &func_init);
2996
2997 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2998
2999 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003000 * Congestion management values depend on the link rate
3001 * There is no active link so initial link rate is set to 10 Gbps.
3002 * When the link comes up The congestion management values are
3003 * re-calculated according to the actual link rate.
3004 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003005 bp->link_vars.line_speed = SPEED_10000;
3006 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3007
3008 /* Only the PMF sets the HW */
3009 if (bp->port.pmf)
3010 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3011
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003012 /* init Event Queue */
3013 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3014 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3015 eq_data.producer = bp->eq_prod;
3016 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3017 eq_data.sb_id = DEF_SB_ID;
3018 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3019}
3020
3021
Eilon Greenstein2691d512009-08-12 08:22:08 +00003022static void bnx2x_e1h_disable(struct bnx2x *bp)
3023{
3024 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003025
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003026 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003027
3028 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003029}
3030
3031static void bnx2x_e1h_enable(struct bnx2x *bp)
3032{
3033 int port = BP_PORT(bp);
3034
3035 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3036
Eilon Greenstein2691d512009-08-12 08:22:08 +00003037 /* Tx queue should be only reenabled */
3038 netif_tx_wake_all_queues(bp->dev);
3039
Eilon Greenstein061bc702009-10-15 00:18:47 -07003040 /*
3041 * Should not call netif_carrier_on since it will be called if the link
3042 * is up when checking for link state
3043 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003044}
3045
Barak Witkowski1d187b32011-12-05 22:41:50 +00003046#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3047
3048static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3049{
3050 struct eth_stats_info *ether_stat =
3051 &bp->slowpath->drv_info_to_mcp.ether_stat;
3052
Dan Carpenter786fdf02012-10-02 01:47:46 +00003053 strlcpy(ether_stat->version, DRV_MODULE_VERSION,
3054 ETH_STAT_INFO_VERSION_LEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003055
Barak Witkowski15192a82012-06-19 07:48:28 +00003056 bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3057 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3058 ether_stat->mac_local);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003059
3060 ether_stat->mtu_size = bp->dev->mtu;
3061
3062 if (bp->dev->features & NETIF_F_RXCSUM)
3063 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3064 if (bp->dev->features & NETIF_F_TSO)
3065 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3066 ether_stat->feature_flags |= bp->common.boot_mode;
3067
3068 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3069
3070 ether_stat->txq_size = bp->tx_ring_size;
3071 ether_stat->rxq_size = bp->rx_ring_size;
3072}
3073
3074static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3075{
3076 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3077 struct fcoe_stats_info *fcoe_stat =
3078 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3079
Merav Sicron55c11942012-11-07 00:45:48 +00003080 if (!CNIC_LOADED(bp))
3081 return;
3082
Barak Witkowski2e499d32012-06-26 01:31:19 +00003083 memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
3084 bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003085
3086 fcoe_stat->qos_priority =
3087 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3088
3089 /* insert FCoE stats from ramrod response */
3090 if (!NO_FCOE(bp)) {
3091 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003092 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003093 tstorm_queue_statistics;
3094
3095 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003096 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003097 xstorm_queue_statistics;
3098
3099 struct fcoe_statistics_params *fw_fcoe_stat =
3100 &bp->fw_stats_data->fcoe;
3101
3102 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3103 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3104
3105 ADD_64(fcoe_stat->rx_bytes_hi,
3106 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3107 fcoe_stat->rx_bytes_lo,
3108 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3109
3110 ADD_64(fcoe_stat->rx_bytes_hi,
3111 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3112 fcoe_stat->rx_bytes_lo,
3113 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3114
3115 ADD_64(fcoe_stat->rx_bytes_hi,
3116 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3117 fcoe_stat->rx_bytes_lo,
3118 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3119
3120 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3121 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3122
3123 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3124 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3125
3126 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3127 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3128
3129 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003130 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003131
3132 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3133 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3134
3135 ADD_64(fcoe_stat->tx_bytes_hi,
3136 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3137 fcoe_stat->tx_bytes_lo,
3138 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3139
3140 ADD_64(fcoe_stat->tx_bytes_hi,
3141 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3142 fcoe_stat->tx_bytes_lo,
3143 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3144
3145 ADD_64(fcoe_stat->tx_bytes_hi,
3146 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3147 fcoe_stat->tx_bytes_lo,
3148 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3149
3150 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3151 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3152
3153 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3154 fcoe_q_xstorm_stats->ucast_pkts_sent);
3155
3156 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3157 fcoe_q_xstorm_stats->bcast_pkts_sent);
3158
3159 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3160 fcoe_q_xstorm_stats->mcast_pkts_sent);
3161 }
3162
Barak Witkowski1d187b32011-12-05 22:41:50 +00003163 /* ask L5 driver to add data to the struct */
3164 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003165}
3166
3167static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3168{
3169 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3170 struct iscsi_stats_info *iscsi_stat =
3171 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3172
Merav Sicron55c11942012-11-07 00:45:48 +00003173 if (!CNIC_LOADED(bp))
3174 return;
3175
Barak Witkowski2e499d32012-06-26 01:31:19 +00003176 memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
3177 bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003178
3179 iscsi_stat->qos_priority =
3180 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3181
Barak Witkowski1d187b32011-12-05 22:41:50 +00003182 /* ask L5 driver to add data to the struct */
3183 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003184}
3185
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003186/* called due to MCP event (on pmf):
3187 * reread new bandwidth configuration
3188 * configure FW
3189 * notify others function about the change
3190 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003191static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003192{
3193 if (bp->link_vars.link_up) {
3194 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3195 bnx2x_link_sync_notify(bp);
3196 }
3197 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3198}
3199
Eric Dumazet1191cb82012-04-27 21:39:21 +00003200static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003201{
3202 bnx2x_config_mf_bw(bp);
3203 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3204}
3205
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003206static void bnx2x_handle_eee_event(struct bnx2x *bp)
3207{
3208 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3209 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3210}
3211
Barak Witkowski1d187b32011-12-05 22:41:50 +00003212static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3213{
3214 enum drv_info_opcode op_code;
3215 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3216
3217 /* if drv_info version supported by MFW doesn't match - send NACK */
3218 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3219 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3220 return;
3221 }
3222
3223 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3224 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3225
3226 memset(&bp->slowpath->drv_info_to_mcp, 0,
3227 sizeof(union drv_info_to_mcp));
3228
3229 switch (op_code) {
3230 case ETH_STATS_OPCODE:
3231 bnx2x_drv_info_ether_stat(bp);
3232 break;
3233 case FCOE_STATS_OPCODE:
3234 bnx2x_drv_info_fcoe_stat(bp);
3235 break;
3236 case ISCSI_STATS_OPCODE:
3237 bnx2x_drv_info_iscsi_stat(bp);
3238 break;
3239 default:
3240 /* if op code isn't supported - send NACK */
3241 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3242 return;
3243 }
3244
3245 /* if we got drv_info attn from MFW then these fields are defined in
3246 * shmem2 for sure
3247 */
3248 SHMEM2_WR(bp, drv_info_host_addr_lo,
3249 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3250 SHMEM2_WR(bp, drv_info_host_addr_hi,
3251 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3252
3253 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3254}
3255
Eilon Greenstein2691d512009-08-12 08:22:08 +00003256static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3257{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003258 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003259
3260 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3261
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003262 /*
3263 * This is the only place besides the function initialization
3264 * where the bp->flags can change so it is done without any
3265 * locks
3266 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003267 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003268 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003269 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003270
3271 bnx2x_e1h_disable(bp);
3272 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003273 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003274 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003275
3276 bnx2x_e1h_enable(bp);
3277 }
3278 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3279 }
3280 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003281 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003282 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3283 }
3284
3285 /* Report results to MCP */
3286 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003287 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003288 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003289 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003290}
3291
Michael Chan289129022009-10-10 13:46:53 +00003292/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003293static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003294{
3295 struct eth_spe *next_spe = bp->spq_prod_bd;
3296
3297 if (bp->spq_prod_bd == bp->spq_last_bd) {
3298 bp->spq_prod_bd = bp->spq;
3299 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003300 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan289129022009-10-10 13:46:53 +00003301 } else {
3302 bp->spq_prod_bd++;
3303 bp->spq_prod_idx++;
3304 }
3305 return next_spe;
3306}
3307
3308/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003309static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003310{
3311 int func = BP_FUNC(bp);
3312
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003313 /*
3314 * Make sure that BD data is updated before writing the producer:
3315 * BD data is written to the memory, the producer is read from the
3316 * memory, thus we need a full memory barrier to ensure the ordering.
3317 */
3318 mb();
Michael Chan289129022009-10-10 13:46:53 +00003319
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003320 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003321 bp->spq_prod_idx);
Michael Chan289129022009-10-10 13:46:53 +00003322 mmiowb();
3323}
3324
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003325/**
3326 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3327 *
3328 * @cmd: command to check
3329 * @cmd_type: command type
3330 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003331static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003332{
3333 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003334 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003335 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3336 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3337 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3338 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3339 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3340 return true;
3341 else
3342 return false;
3343
3344}
3345
3346
3347/**
3348 * bnx2x_sp_post - place a single command on an SP ring
3349 *
3350 * @bp: driver handle
3351 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3352 * @cid: SW CID the command is related to
3353 * @data_hi: command private data address (high 32 bits)
3354 * @data_lo: command private data address (low 32 bits)
3355 * @cmd_type: command type (e.g. NONE, ETH)
3356 *
3357 * SP data is handled as if it's always an address pair, thus data fields are
3358 * not swapped to little endian in upper functions. Instead this function swaps
3359 * data as if it's two u32 fields.
3360 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003361int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003362 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003363{
Michael Chan289129022009-10-10 13:46:53 +00003364 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003365 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003366 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003367
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003368#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003369 if (unlikely(bp->panic)) {
3370 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003371 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003372 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003373#endif
3374
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003375 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003376
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003377 if (common) {
3378 if (!atomic_read(&bp->eq_spq_left)) {
3379 BNX2X_ERR("BUG! EQ ring full!\n");
3380 spin_unlock_bh(&bp->spq_lock);
3381 bnx2x_panic();
3382 return -EBUSY;
3383 }
3384 } else if (!atomic_read(&bp->cq_spq_left)) {
3385 BNX2X_ERR("BUG! SPQ ring full!\n");
3386 spin_unlock_bh(&bp->spq_lock);
3387 bnx2x_panic();
3388 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003390
Michael Chan289129022009-10-10 13:46:53 +00003391 spe = bnx2x_sp_get_next(bp);
3392
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003393 /* CID needs port number to be encoded int it */
Michael Chan289129022009-10-10 13:46:53 +00003394 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003395 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3396 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003397
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003398 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003399
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003400 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3401 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003402
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003403 spe->hdr.type = cpu_to_le16(type);
3404
3405 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3406 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3407
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003408 /*
3409 * It's ok if the actual decrement is issued towards the memory
3410 * somewhere between the spin_lock and spin_unlock. Thus no
3411 * more explict memory barrier is needed.
3412 */
3413 if (common)
3414 atomic_dec(&bp->eq_spq_left);
3415 else
3416 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003417
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003418
Merav Sicron51c1a582012-03-18 10:33:38 +00003419 DP(BNX2X_MSG_SP,
3420 "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 +00003421 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3422 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003423 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003424 HW_CID(bp, cid), data_hi, data_lo, type,
3425 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003426
Michael Chan289129022009-10-10 13:46:53 +00003427 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003428 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429 return 0;
3430}
3431
3432/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003433static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003434{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003435 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003436 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003437
3438 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003439 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003440 val = (1UL << 31);
3441 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3442 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3443 if (val & (1L << 31))
3444 break;
3445
3446 msleep(5);
3447 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003448 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003449 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003450 rc = -EBUSY;
3451 }
3452
3453 return rc;
3454}
3455
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003456/* release split MCP access lock register */
3457static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003458{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003459 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003460}
3461
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003462#define BNX2X_DEF_SB_ATT_IDX 0x0001
3463#define BNX2X_DEF_SB_IDX 0x0002
3464
Eric Dumazet1191cb82012-04-27 21:39:21 +00003465static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003466{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003467 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003468 u16 rc = 0;
3469
3470 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003471 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3472 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003473 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003474 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003475
3476 if (bp->def_idx != def_sb->sp_sb.running_index) {
3477 bp->def_idx = def_sb->sp_sb.running_index;
3478 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003479 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003480
3481 /* Do not reorder: indecies reading should complete before handling */
3482 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003483 return rc;
3484}
3485
3486/*
3487 * slow path service functions
3488 */
3489
3490static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3491{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003492 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003493 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3494 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003495 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3496 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003497 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003498 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003499 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003500
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003501 if (bp->attn_state & asserted)
3502 BNX2X_ERR("IGU ERROR\n");
3503
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003504 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3505 aeu_mask = REG_RD(bp, aeu_addr);
3506
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003507 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003508 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003509 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003510 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003511
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003512 REG_WR(bp, aeu_addr, aeu_mask);
3513 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003514
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003515 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003516 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003517 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003518
3519 if (asserted & ATTN_HARD_WIRED_MASK) {
3520 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003521
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003522 bnx2x_acquire_phy_lock(bp);
3523
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003524 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003525 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003526
Yaniv Rosner361c3912011-06-14 01:33:19 +00003527 /* If nig_mask is not set, no need to call the update
3528 * function.
3529 */
3530 if (nig_mask) {
3531 REG_WR(bp, nig_int_mask_addr, 0);
3532
3533 bnx2x_link_attn(bp);
3534 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003535
3536 /* handle unicore attn? */
3537 }
3538 if (asserted & ATTN_SW_TIMER_4_FUNC)
3539 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3540
3541 if (asserted & GPIO_2_FUNC)
3542 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3543
3544 if (asserted & GPIO_3_FUNC)
3545 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3546
3547 if (asserted & GPIO_4_FUNC)
3548 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3549
3550 if (port == 0) {
3551 if (asserted & ATTN_GENERAL_ATTN_1) {
3552 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3553 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3554 }
3555 if (asserted & ATTN_GENERAL_ATTN_2) {
3556 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3557 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3558 }
3559 if (asserted & ATTN_GENERAL_ATTN_3) {
3560 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3561 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3562 }
3563 } else {
3564 if (asserted & ATTN_GENERAL_ATTN_4) {
3565 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3566 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3567 }
3568 if (asserted & ATTN_GENERAL_ATTN_5) {
3569 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3570 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3571 }
3572 if (asserted & ATTN_GENERAL_ATTN_6) {
3573 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3574 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3575 }
3576 }
3577
3578 } /* if hardwired */
3579
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003580 if (bp->common.int_block == INT_BLOCK_HC)
3581 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3582 COMMAND_REG_ATTN_BITS_SET);
3583 else
3584 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3585
3586 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3587 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3588 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003589
3590 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003591 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003592 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003593 bnx2x_release_phy_lock(bp);
3594 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003595}
3596
Eric Dumazet1191cb82012-04-27 21:39:21 +00003597static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003598{
3599 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003600 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003601 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003602 ext_phy_config =
3603 SHMEM_RD(bp,
3604 dev_info.port_hw_config[port].external_phy_config);
3605
3606 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3607 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003608 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003609 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003610
3611 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003612 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3613 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003614
3615 /*
3616 * Scheudle device reset (unload)
3617 * This is due to some boards consuming sufficient power when driver is
3618 * up to overheat if fan fails.
3619 */
3620 smp_mb__before_clear_bit();
3621 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3622 smp_mb__after_clear_bit();
3623 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3624
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003625}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003626
Eric Dumazet1191cb82012-04-27 21:39:21 +00003627static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003628{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003629 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003630 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003631 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003632
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003633 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3634 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003635
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003636 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003637
3638 val = REG_RD(bp, reg_offset);
3639 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3640 REG_WR(bp, reg_offset, val);
3641
3642 BNX2X_ERR("SPIO5 hw attention\n");
3643
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003644 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003645 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003646 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003647 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003648
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003649 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003650 bnx2x_acquire_phy_lock(bp);
3651 bnx2x_handle_module_detect_int(&bp->link_params);
3652 bnx2x_release_phy_lock(bp);
3653 }
3654
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003655 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3656
3657 val = REG_RD(bp, reg_offset);
3658 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3659 REG_WR(bp, reg_offset, val);
3660
3661 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003662 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003663 bnx2x_panic();
3664 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003665}
3666
Eric Dumazet1191cb82012-04-27 21:39:21 +00003667static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003668{
3669 u32 val;
3670
Eilon Greenstein0626b892009-02-12 08:38:14 +00003671 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003672
3673 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3674 BNX2X_ERR("DB hw attention 0x%x\n", val);
3675 /* DORQ discard attention */
3676 if (val & 0x2)
3677 BNX2X_ERR("FATAL error from DORQ\n");
3678 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003679
3680 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3681
3682 int port = BP_PORT(bp);
3683 int reg_offset;
3684
3685 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3686 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3687
3688 val = REG_RD(bp, reg_offset);
3689 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3690 REG_WR(bp, reg_offset, val);
3691
3692 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003693 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003694 bnx2x_panic();
3695 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003696}
3697
Eric Dumazet1191cb82012-04-27 21:39:21 +00003698static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003699{
3700 u32 val;
3701
3702 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3703
3704 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3705 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3706 /* CFC error attention */
3707 if (val & 0x2)
3708 BNX2X_ERR("FATAL error from CFC\n");
3709 }
3710
3711 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003712 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003713 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003714 /* RQ_USDMDP_FIFO_OVERFLOW */
3715 if (val & 0x18000)
3716 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003717
3718 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003719 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3720 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3721 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003722 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003723
3724 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3725
3726 int port = BP_PORT(bp);
3727 int reg_offset;
3728
3729 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3730 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3731
3732 val = REG_RD(bp, reg_offset);
3733 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3734 REG_WR(bp, reg_offset, val);
3735
3736 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003737 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003738 bnx2x_panic();
3739 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003740}
3741
Eric Dumazet1191cb82012-04-27 21:39:21 +00003742static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003743{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003744 u32 val;
3745
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003746 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003748 if (attn & BNX2X_PMF_LINK_ASSERT) {
3749 int func = BP_FUNC(bp);
3750
3751 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003752 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003753 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3754 func_mf_config[BP_ABS_FUNC(bp)].config);
3755 val = SHMEM_RD(bp,
3756 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003757 if (val & DRV_STATUS_DCC_EVENT_MASK)
3758 bnx2x_dcc_event(bp,
3759 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003760
3761 if (val & DRV_STATUS_SET_MF_BW)
3762 bnx2x_set_mf_bw(bp);
3763
Barak Witkowski1d187b32011-12-05 22:41:50 +00003764 if (val & DRV_STATUS_DRV_INFO_REQ)
3765 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003766 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003767 bnx2x_pmf_update(bp);
3768
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003769 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003770 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3771 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003772 /* start dcbx state machine */
3773 bnx2x_dcbx_set_params(bp,
3774 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003775 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3776 bnx2x_handle_afex_cmd(bp,
3777 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003778 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3779 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003780 if (bp->link_vars.periodic_flags &
3781 PERIODIC_FLAGS_LINK_EVENT) {
3782 /* sync with link */
3783 bnx2x_acquire_phy_lock(bp);
3784 bp->link_vars.periodic_flags &=
3785 ~PERIODIC_FLAGS_LINK_EVENT;
3786 bnx2x_release_phy_lock(bp);
3787 if (IS_MF(bp))
3788 bnx2x_link_sync_notify(bp);
3789 bnx2x_link_report(bp);
3790 }
3791 /* Always call it here: bnx2x_link_report() will
3792 * prevent the link indication duplication.
3793 */
3794 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003795 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003796
3797 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003798 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003799 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3800 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3801 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3802 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3803 bnx2x_panic();
3804
3805 } else if (attn & BNX2X_MCP_ASSERT) {
3806
3807 BNX2X_ERR("MCP assert!\n");
3808 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003809 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003810
3811 } else
3812 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3813 }
3814
3815 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003816 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3817 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003818 val = CHIP_IS_E1(bp) ? 0 :
3819 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003820 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3821 }
3822 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003823 val = CHIP_IS_E1(bp) ? 0 :
3824 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003825 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3826 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003827 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003828 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003829}
3830
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003831/*
3832 * Bits map:
3833 * 0-7 - Engine0 load counter.
3834 * 8-15 - Engine1 load counter.
3835 * 16 - Engine0 RESET_IN_PROGRESS bit.
3836 * 17 - Engine1 RESET_IN_PROGRESS bit.
3837 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3838 * on the engine
3839 * 19 - Engine1 ONE_IS_LOADED.
3840 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3841 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3842 * just the one belonging to its engine).
3843 *
3844 */
3845#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3846
3847#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3848#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3849#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3850#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3851#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3852#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3853#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003854
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003855/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003856 * Set the GLOBAL_RESET bit.
3857 *
3858 * Should be run under rtnl lock
3859 */
3860void bnx2x_set_reset_global(struct bnx2x *bp)
3861{
Ariel Eliorf16da432012-01-26 06:01:50 +00003862 u32 val;
3863 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3864 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003865 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003866 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003867}
3868
3869/*
3870 * Clear the GLOBAL_RESET bit.
3871 *
3872 * Should be run under rtnl lock
3873 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003874static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003875{
Ariel Eliorf16da432012-01-26 06:01:50 +00003876 u32 val;
3877 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3878 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003879 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003880 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003881}
3882
3883/*
3884 * Checks the GLOBAL_RESET bit.
3885 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003886 * should be run under rtnl lock
3887 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003888static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003889{
3890 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3891
3892 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3893 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3894}
3895
3896/*
3897 * Clear RESET_IN_PROGRESS bit for the current engine.
3898 *
3899 * Should be run under rtnl lock
3900 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003901static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003902{
Ariel Eliorf16da432012-01-26 06:01:50 +00003903 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003904 u32 bit = BP_PATH(bp) ?
3905 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003906 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3907 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003908
3909 /* Clear the bit */
3910 val &= ~bit;
3911 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003912
3913 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003914}
3915
3916/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003917 * Set RESET_IN_PROGRESS for the current engine.
3918 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003919 * should be run under rtnl lock
3920 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003921void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003922{
Ariel Eliorf16da432012-01-26 06:01:50 +00003923 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003924 u32 bit = BP_PATH(bp) ?
3925 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003926 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3927 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003928
3929 /* Set the bit */
3930 val |= bit;
3931 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003932 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003933}
3934
3935/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003936 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003937 * should be run under rtnl lock
3938 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003939bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003940{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003941 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3942 u32 bit = engine ?
3943 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3944
3945 /* return false if bit is set */
3946 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003947}
3948
3949/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003950 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003951 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003952 * should be run under rtnl lock
3953 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003954void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003955{
Ariel Eliorf16da432012-01-26 06:01:50 +00003956 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003957 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3958 BNX2X_PATH0_LOAD_CNT_MASK;
3959 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3960 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003961
Ariel Eliorf16da432012-01-26 06:01:50 +00003962 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3963 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3964
Merav Sicron51c1a582012-03-18 10:33:38 +00003965 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003966
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003967 /* get the current counter value */
3968 val1 = (val & mask) >> shift;
3969
Ariel Elior889b9af2012-01-26 06:01:51 +00003970 /* set bit of that PF */
3971 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003972
3973 /* clear the old value */
3974 val &= ~mask;
3975
3976 /* set the new one */
3977 val |= ((val1 << shift) & mask);
3978
3979 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003980 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003981}
3982
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003983/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003984 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003985 *
3986 * @bp: driver handle
3987 *
3988 * Should be run under rtnl lock.
3989 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003990 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003991 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003992bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003993{
Ariel Eliorf16da432012-01-26 06:01:50 +00003994 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003995 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3996 BNX2X_PATH0_LOAD_CNT_MASK;
3997 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3998 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003999
Ariel Eliorf16da432012-01-26 06:01:50 +00004000 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4001 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004002 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004003
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004004 /* get the current counter value */
4005 val1 = (val & mask) >> shift;
4006
Ariel Elior889b9af2012-01-26 06:01:51 +00004007 /* clear bit of that PF */
4008 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004009
4010 /* clear the old value */
4011 val &= ~mask;
4012
4013 /* set the new one */
4014 val |= ((val1 << shift) & mask);
4015
4016 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004017 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4018 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004019}
4020
4021/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004022 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004023 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004024 * should be run under rtnl lock
4025 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004026static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004027{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004028 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4029 BNX2X_PATH0_LOAD_CNT_MASK);
4030 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4031 BNX2X_PATH0_LOAD_CNT_SHIFT);
4032 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4033
Merav Sicron51c1a582012-03-18 10:33:38 +00004034 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004035
4036 val = (val & mask) >> shift;
4037
Merav Sicron51c1a582012-03-18 10:33:38 +00004038 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4039 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004040
Ariel Elior889b9af2012-01-26 06:01:51 +00004041 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004042}
4043
Eric Dumazet1191cb82012-04-27 21:39:21 +00004044static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004045{
Joe Perchesf1deab52011-08-14 12:16:21 +00004046 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004047}
4048
Eric Dumazet1191cb82012-04-27 21:39:21 +00004049static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4050 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004051{
4052 int i = 0;
4053 u32 cur_bit = 0;
4054 for (i = 0; sig; i++) {
4055 cur_bit = ((u32)0x1 << i);
4056 if (sig & cur_bit) {
4057 switch (cur_bit) {
4058 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004059 if (print)
4060 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004061 break;
4062 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004063 if (print)
4064 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004065 break;
4066 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004067 if (print)
4068 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004069 break;
4070 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004071 if (print)
4072 _print_next_block(par_num++,
4073 "SEARCHER");
4074 break;
4075 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4076 if (print)
4077 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004078 break;
4079 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004080 if (print)
4081 _print_next_block(par_num++, "TSEMI");
4082 break;
4083 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4084 if (print)
4085 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004086 break;
4087 }
4088
4089 /* Clear the bit */
4090 sig &= ~cur_bit;
4091 }
4092 }
4093
4094 return par_num;
4095}
4096
Eric Dumazet1191cb82012-04-27 21:39:21 +00004097static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4098 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004099{
4100 int i = 0;
4101 u32 cur_bit = 0;
4102 for (i = 0; sig; i++) {
4103 cur_bit = ((u32)0x1 << i);
4104 if (sig & cur_bit) {
4105 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004106 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4107 if (print)
4108 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004109 break;
4110 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004111 if (print)
4112 _print_next_block(par_num++, "QM");
4113 break;
4114 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4115 if (print)
4116 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004117 break;
4118 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004119 if (print)
4120 _print_next_block(par_num++, "XSDM");
4121 break;
4122 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4123 if (print)
4124 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004125 break;
4126 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004127 if (print)
4128 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004129 break;
4130 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004131 if (print)
4132 _print_next_block(par_num++,
4133 "DOORBELLQ");
4134 break;
4135 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4136 if (print)
4137 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004138 break;
4139 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004140 if (print)
4141 _print_next_block(par_num++,
4142 "VAUX PCI CORE");
4143 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004144 break;
4145 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004146 if (print)
4147 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004148 break;
4149 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004150 if (print)
4151 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004152 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004153 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4154 if (print)
4155 _print_next_block(par_num++, "UCM");
4156 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004157 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004158 if (print)
4159 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004160 break;
4161 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004162 if (print)
4163 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004164 break;
4165 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004166 if (print)
4167 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004168 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004169 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4170 if (print)
4171 _print_next_block(par_num++, "CCM");
4172 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004173 }
4174
4175 /* Clear the bit */
4176 sig &= ~cur_bit;
4177 }
4178 }
4179
4180 return par_num;
4181}
4182
Eric Dumazet1191cb82012-04-27 21:39:21 +00004183static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4184 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004185{
4186 int i = 0;
4187 u32 cur_bit = 0;
4188 for (i = 0; sig; i++) {
4189 cur_bit = ((u32)0x1 << i);
4190 if (sig & cur_bit) {
4191 switch (cur_bit) {
4192 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004193 if (print)
4194 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004195 break;
4196 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004197 if (print)
4198 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004199 break;
4200 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004201 if (print)
4202 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004203 "PXPPCICLOCKCLIENT");
4204 break;
4205 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004206 if (print)
4207 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004208 break;
4209 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004210 if (print)
4211 _print_next_block(par_num++, "CDU");
4212 break;
4213 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4214 if (print)
4215 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004216 break;
4217 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004218 if (print)
4219 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004220 break;
4221 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004222 if (print)
4223 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004224 break;
4225 }
4226
4227 /* Clear the bit */
4228 sig &= ~cur_bit;
4229 }
4230 }
4231
4232 return par_num;
4233}
4234
Eric Dumazet1191cb82012-04-27 21:39:21 +00004235static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4236 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004237{
4238 int i = 0;
4239 u32 cur_bit = 0;
4240 for (i = 0; sig; i++) {
4241 cur_bit = ((u32)0x1 << i);
4242 if (sig & cur_bit) {
4243 switch (cur_bit) {
4244 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004245 if (print)
4246 _print_next_block(par_num++, "MCP ROM");
4247 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004248 break;
4249 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004250 if (print)
4251 _print_next_block(par_num++,
4252 "MCP UMP RX");
4253 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004254 break;
4255 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004256 if (print)
4257 _print_next_block(par_num++,
4258 "MCP UMP TX");
4259 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004260 break;
4261 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004262 if (print)
4263 _print_next_block(par_num++,
4264 "MCP SCPAD");
4265 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004266 break;
4267 }
4268
4269 /* Clear the bit */
4270 sig &= ~cur_bit;
4271 }
4272 }
4273
4274 return par_num;
4275}
4276
Eric Dumazet1191cb82012-04-27 21:39:21 +00004277static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4278 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004279{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004280 int i = 0;
4281 u32 cur_bit = 0;
4282 for (i = 0; sig; i++) {
4283 cur_bit = ((u32)0x1 << i);
4284 if (sig & cur_bit) {
4285 switch (cur_bit) {
4286 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4287 if (print)
4288 _print_next_block(par_num++, "PGLUE_B");
4289 break;
4290 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4291 if (print)
4292 _print_next_block(par_num++, "ATC");
4293 break;
4294 }
4295
4296 /* Clear the bit */
4297 sig &= ~cur_bit;
4298 }
4299 }
4300
4301 return par_num;
4302}
4303
Eric Dumazet1191cb82012-04-27 21:39:21 +00004304static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4305 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004306{
4307 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4308 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4309 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4310 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4311 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004312 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004313 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4314 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004315 sig[0] & HW_PRTY_ASSERT_SET_0,
4316 sig[1] & HW_PRTY_ASSERT_SET_1,
4317 sig[2] & HW_PRTY_ASSERT_SET_2,
4318 sig[3] & HW_PRTY_ASSERT_SET_3,
4319 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004320 if (print)
4321 netdev_err(bp->dev,
4322 "Parity errors detected in blocks: ");
4323 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004324 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004325 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004326 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004327 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004328 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004329 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004330 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4331 par_num = bnx2x_check_blocks_with_parity4(
4332 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4333
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004334 if (print)
4335 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004336
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004337 return true;
4338 } else
4339 return false;
4340}
4341
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004342/**
4343 * bnx2x_chk_parity_attn - checks for parity attentions.
4344 *
4345 * @bp: driver handle
4346 * @global: true if there was a global attention
4347 * @print: show parity attention in syslog
4348 */
4349bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004350{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004351 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004352 int port = BP_PORT(bp);
4353
4354 attn.sig[0] = REG_RD(bp,
4355 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4356 port*4);
4357 attn.sig[1] = REG_RD(bp,
4358 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4359 port*4);
4360 attn.sig[2] = REG_RD(bp,
4361 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4362 port*4);
4363 attn.sig[3] = REG_RD(bp,
4364 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4365 port*4);
4366
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004367 if (!CHIP_IS_E1x(bp))
4368 attn.sig[4] = REG_RD(bp,
4369 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4370 port*4);
4371
4372 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004373}
4374
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004375
Eric Dumazet1191cb82012-04-27 21:39:21 +00004376static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004377{
4378 u32 val;
4379 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4380
4381 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4382 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4383 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004384 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004385 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004386 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004387 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004388 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004389 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004390 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004391 if (val &
4392 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004393 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004394 if (val &
4395 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004396 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004397 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004398 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004399 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004400 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004401 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004402 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004403 }
4404 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4405 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4406 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4407 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4408 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4409 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004410 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004411 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004412 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004413 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004414 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004415 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4416 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4417 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004418 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004419 }
4420
4421 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4422 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4423 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4424 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4425 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4426 }
4427
4428}
4429
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004430static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4431{
4432 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004433 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004434 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004435 u32 reg_addr;
4436 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004437 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004438 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004439
4440 /* need to take HW lock because MCP or other port might also
4441 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004442 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004443
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004444 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4445#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004446 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004447 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004448 /* Disable HW interrupts */
4449 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004450 /* In case of parity errors don't handle attentions so that
4451 * other function would "see" parity errors.
4452 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004453#else
4454 bnx2x_panic();
4455#endif
4456 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004457 return;
4458 }
4459
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004460 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4461 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4462 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4463 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004464 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004465 attn.sig[4] =
4466 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4467 else
4468 attn.sig[4] = 0;
4469
4470 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4471 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004472
4473 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4474 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004475 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004476
Merav Sicron51c1a582012-03-18 10:33:38 +00004477 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004478 index,
4479 group_mask->sig[0], group_mask->sig[1],
4480 group_mask->sig[2], group_mask->sig[3],
4481 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004482
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004483 bnx2x_attn_int_deasserted4(bp,
4484 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004485 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004486 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004487 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004488 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004489 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004490 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004491 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004492 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004493 }
4494 }
4495
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004496 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004497
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004498 if (bp->common.int_block == INT_BLOCK_HC)
4499 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4500 COMMAND_REG_ATTN_BITS_CLR);
4501 else
4502 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004503
4504 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004505 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4506 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004507 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004508
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004509 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004510 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004511
4512 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4513 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4514
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004515 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4516 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004517
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004518 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4519 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004520 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004521 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4522
4523 REG_WR(bp, reg_addr, aeu_mask);
4524 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004525
4526 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4527 bp->attn_state &= ~deasserted;
4528 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4529}
4530
4531static void bnx2x_attn_int(struct bnx2x *bp)
4532{
4533 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004534 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4535 attn_bits);
4536 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4537 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004538 u32 attn_state = bp->attn_state;
4539
4540 /* look for changed bits */
4541 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4542 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4543
4544 DP(NETIF_MSG_HW,
4545 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4546 attn_bits, attn_ack, asserted, deasserted);
4547
4548 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004549 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004550
4551 /* handle bits that were raised */
4552 if (asserted)
4553 bnx2x_attn_int_asserted(bp, asserted);
4554
4555 if (deasserted)
4556 bnx2x_attn_int_deasserted(bp, deasserted);
4557}
4558
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004559void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4560 u16 index, u8 op, u8 update)
4561{
4562 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4563
4564 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4565 igu_addr);
4566}
4567
Eric Dumazet1191cb82012-04-27 21:39:21 +00004568static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004569{
4570 /* No memory barriers */
4571 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4572 mmiowb(); /* keep prod updates ordered */
4573}
4574
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004575static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4576 union event_ring_elem *elem)
4577{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004578 u8 err = elem->message.error;
4579
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004580 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004581 (cid < bp->cnic_eth_dev.starting_cid &&
4582 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004583 return 1;
4584
4585 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4586
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004587 if (unlikely(err)) {
4588
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004589 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4590 cid);
4591 bnx2x_panic_dump(bp);
4592 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004593 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004594 return 0;
4595}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004596
Eric Dumazet1191cb82012-04-27 21:39:21 +00004597static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004598{
4599 struct bnx2x_mcast_ramrod_params rparam;
4600 int rc;
4601
4602 memset(&rparam, 0, sizeof(rparam));
4603
4604 rparam.mcast_obj = &bp->mcast_obj;
4605
4606 netif_addr_lock_bh(bp->dev);
4607
4608 /* Clear pending state for the last command */
4609 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4610
4611 /* If there are pending mcast commands - send them */
4612 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4613 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4614 if (rc < 0)
4615 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4616 rc);
4617 }
4618
4619 netif_addr_unlock_bh(bp->dev);
4620}
4621
Eric Dumazet1191cb82012-04-27 21:39:21 +00004622static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4623 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004624{
4625 unsigned long ramrod_flags = 0;
4626 int rc = 0;
4627 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4628 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4629
4630 /* Always push next commands out, don't wait here */
4631 __set_bit(RAMROD_CONT, &ramrod_flags);
4632
4633 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4634 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004635 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Merav Sicron55c11942012-11-07 00:45:48 +00004636 if (CNIC_LOADED(bp) && (cid == BNX2X_ISCSI_ETH_CID(bp)))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004637 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4638 else
Barak Witkowski15192a82012-06-19 07:48:28 +00004639 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004640
4641 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004642 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004643 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004644 /* This is only relevant for 57710 where multicast MACs are
4645 * configured as unicast MACs using the same ramrod.
4646 */
4647 bnx2x_handle_mcast_eqe(bp);
4648 return;
4649 default:
4650 BNX2X_ERR("Unsupported classification command: %d\n",
4651 elem->message.data.eth_event.echo);
4652 return;
4653 }
4654
4655 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4656
4657 if (rc < 0)
4658 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4659 else if (rc > 0)
4660 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4661
4662}
4663
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004664static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004665
Eric Dumazet1191cb82012-04-27 21:39:21 +00004666static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004667{
4668 netif_addr_lock_bh(bp->dev);
4669
4670 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4671
4672 /* Send rx_mode command again if was requested */
4673 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4674 bnx2x_set_storm_rx_mode(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004675 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4676 &bp->sp_state))
4677 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4678 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4679 &bp->sp_state))
4680 bnx2x_set_iscsi_eth_rx_mode(bp, false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004681
4682 netif_addr_unlock_bh(bp->dev);
4683}
4684
Eric Dumazet1191cb82012-04-27 21:39:21 +00004685static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004686 union event_ring_elem *elem)
4687{
4688 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4689 DP(BNX2X_MSG_SP,
4690 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4691 elem->message.data.vif_list_event.func_bit_map);
4692 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4693 elem->message.data.vif_list_event.func_bit_map);
4694 } else if (elem->message.data.vif_list_event.echo ==
4695 VIF_LIST_RULE_SET) {
4696 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4697 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4698 }
4699}
4700
4701/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004702static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004703{
4704 int q, rc;
4705 struct bnx2x_fastpath *fp;
4706 struct bnx2x_queue_state_params queue_params = {NULL};
4707 struct bnx2x_queue_update_params *q_update_params =
4708 &queue_params.params.update;
4709
4710 /* Send Q update command with afex vlan removal values for all Qs */
4711 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4712
4713 /* set silent vlan removal values according to vlan mode */
4714 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4715 &q_update_params->update_flags);
4716 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4717 &q_update_params->update_flags);
4718 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4719
4720 /* in access mode mark mask and value are 0 to strip all vlans */
4721 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4722 q_update_params->silent_removal_value = 0;
4723 q_update_params->silent_removal_mask = 0;
4724 } else {
4725 q_update_params->silent_removal_value =
4726 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4727 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4728 }
4729
4730 for_each_eth_queue(bp, q) {
4731 /* Set the appropriate Queue object */
4732 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004733 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004734
4735 /* send the ramrod */
4736 rc = bnx2x_queue_state_change(bp, &queue_params);
4737 if (rc < 0)
4738 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4739 q);
4740 }
4741
Barak Witkowskia3348722012-04-23 03:04:46 +00004742 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004743 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004744 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004745
4746 /* clear pending completion bit */
4747 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4748
4749 /* mark latest Q bit */
4750 smp_mb__before_clear_bit();
4751 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4752 smp_mb__after_clear_bit();
4753
4754 /* send Q update ramrod for FCoE Q */
4755 rc = bnx2x_queue_state_change(bp, &queue_params);
4756 if (rc < 0)
4757 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4758 q);
4759 } else {
4760 /* If no FCoE ring - ACK MCP now */
4761 bnx2x_link_report(bp);
4762 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4763 }
Barak Witkowskia3348722012-04-23 03:04:46 +00004764}
4765
Eric Dumazet1191cb82012-04-27 21:39:21 +00004766static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004767 struct bnx2x *bp, u32 cid)
4768{
Joe Perches94f05b02011-08-14 12:16:20 +00004769 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00004770
4771 if (CNIC_LOADED(bp) && (cid == BNX2X_FCOE_ETH_CID(bp)))
Barak Witkowski15192a82012-06-19 07:48:28 +00004772 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004773 else
Barak Witkowski15192a82012-06-19 07:48:28 +00004774 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004775}
4776
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004777static void bnx2x_eq_int(struct bnx2x *bp)
4778{
4779 u16 hw_cons, sw_cons, sw_prod;
4780 union event_ring_elem *elem;
Merav Sicron55c11942012-11-07 00:45:48 +00004781 u8 echo;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004782 u32 cid;
4783 u8 opcode;
4784 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004785 struct bnx2x_queue_sp_obj *q_obj;
4786 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4787 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004788
4789 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4790
4791 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4792 * when we get the the next-page we nned to adjust so the loop
4793 * condition below will be met. The next element is the size of a
4794 * regular element and hence incrementing by 1
4795 */
4796 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4797 hw_cons++;
4798
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004799 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004800 * specific bp, thus there is no need in "paired" read memory
4801 * barrier here.
4802 */
4803 sw_cons = bp->eq_cons;
4804 sw_prod = bp->eq_prod;
4805
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004806 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004807 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004808
4809 for (; sw_cons != hw_cons;
4810 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4811
4812
4813 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4814
4815 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4816 opcode = elem->message.opcode;
4817
4818
4819 /* handle eq element */
4820 switch (opcode) {
4821 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004822 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4823 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004824 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004825 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004826 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004827
4828 case EVENT_RING_OPCODE_CFC_DEL:
4829 /* handle according to cid range */
4830 /*
4831 * we may want to verify here that the bp state is
4832 * HALTING
4833 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004834 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004835 "got delete ramrod for MULTI[%d]\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00004836
4837 if (CNIC_LOADED(bp) &&
4838 !bnx2x_cnic_handle_cfc_del(bp, cid, elem))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004839 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00004840
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004841 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4842
4843 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4844 break;
4845
4846
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004847
4848 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004849
4850 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004851 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004852 if (f_obj->complete_cmd(bp, f_obj,
4853 BNX2X_F_CMD_TX_STOP))
4854 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004855 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4856 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004857
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004858 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004859 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004860 if (f_obj->complete_cmd(bp, f_obj,
4861 BNX2X_F_CMD_TX_START))
4862 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004863 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4864 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00004865
Barak Witkowskia3348722012-04-23 03:04:46 +00004866 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
Merav Sicron55c11942012-11-07 00:45:48 +00004867 echo = elem->message.data.function_update_event.echo;
4868 if (echo == SWITCH_UPDATE) {
4869 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4870 "got FUNC_SWITCH_UPDATE ramrod\n");
4871 if (f_obj->complete_cmd(
4872 bp, f_obj, BNX2X_F_CMD_SWITCH_UPDATE))
4873 break;
Barak Witkowskia3348722012-04-23 03:04:46 +00004874
Merav Sicron55c11942012-11-07 00:45:48 +00004875 } else {
4876 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4877 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4878 f_obj->complete_cmd(bp, f_obj,
4879 BNX2X_F_CMD_AFEX_UPDATE);
Barak Witkowskia3348722012-04-23 03:04:46 +00004880
Merav Sicron55c11942012-11-07 00:45:48 +00004881 /* We will perform the Queues update from
4882 * sp_rtnl task as all Queue SP operations
4883 * should run under rtnl_lock.
4884 */
4885 smp_mb__before_clear_bit();
4886 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4887 &bp->sp_rtnl_state);
4888 smp_mb__after_clear_bit();
4889
4890 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4891 }
4892
Barak Witkowskia3348722012-04-23 03:04:46 +00004893 goto next_spqe;
4894
4895 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4896 f_obj->complete_cmd(bp, f_obj,
4897 BNX2X_F_CMD_AFEX_VIFLISTS);
4898 bnx2x_after_afex_vif_lists(bp, elem);
4899 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004900 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004901 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4902 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004903 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4904 break;
4905
4906 goto next_spqe;
4907
4908 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004909 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4910 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004911 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4912 break;
4913
4914 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004915 }
4916
4917 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004918 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4919 BNX2X_STATE_OPEN):
4920 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004921 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004922 cid = elem->message.data.eth_event.echo &
4923 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004924 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004925 cid);
4926 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004927 break;
4928
4929 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4930 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004931 case (EVENT_RING_OPCODE_SET_MAC |
4932 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004933 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4934 BNX2X_STATE_OPEN):
4935 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4936 BNX2X_STATE_DIAG):
4937 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4938 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004939 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004940 bnx2x_handle_classification_eqe(bp, elem);
4941 break;
4942
4943 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4944 BNX2X_STATE_OPEN):
4945 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4946 BNX2X_STATE_DIAG):
4947 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4948 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004949 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004950 bnx2x_handle_mcast_eqe(bp);
4951 break;
4952
4953 case (EVENT_RING_OPCODE_FILTERS_RULES |
4954 BNX2X_STATE_OPEN):
4955 case (EVENT_RING_OPCODE_FILTERS_RULES |
4956 BNX2X_STATE_DIAG):
4957 case (EVENT_RING_OPCODE_FILTERS_RULES |
4958 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004959 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004960 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004961 break;
4962 default:
4963 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004964 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4965 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004966 }
4967next_spqe:
4968 spqe_cnt++;
4969 } /* for */
4970
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004971 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004972 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004973
4974 bp->eq_cons = sw_cons;
4975 bp->eq_prod = sw_prod;
4976 /* Make sure that above mem writes were issued towards the memory */
4977 smp_wmb();
4978
4979 /* update producer */
4980 bnx2x_update_eq_prod(bp, bp->eq_prod);
4981}
4982
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004983static void bnx2x_sp_task(struct work_struct *work)
4984{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004985 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004986 u16 status;
4987
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004988 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004989/* if (status == 0) */
4990/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004991
Merav Sicron51c1a582012-03-18 10:33:38 +00004992 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004993
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004994 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004995 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004996 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004997 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004998 }
4999
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005000 /* SP events: STAT_QUERY and others */
5001 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005002 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005003
Merav Sicron55c11942012-11-07 00:45:48 +00005004 if (FCOE_INIT(bp) &&
5005 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005006 /*
5007 * Prevent local bottom-halves from running as
5008 * we are going to change the local NAPI list.
5009 */
5010 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005011 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005012 local_bh_enable();
5013 }
Merav Sicron55c11942012-11-07 00:45:48 +00005014
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005015 /* Handle EQ completions */
5016 bnx2x_eq_int(bp);
5017
5018 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5019 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5020
5021 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005022 }
5023
5024 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005025 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005026 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005027
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005028 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5029 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005030
5031 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5032 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5033 &bp->sp_state)) {
5034 bnx2x_link_report(bp);
5035 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5036 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005037}
5038
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005039irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005040{
5041 struct net_device *dev = dev_instance;
5042 struct bnx2x *bp = netdev_priv(dev);
5043
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005044 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5045 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005046
5047#ifdef BNX2X_STOP_ON_ERROR
5048 if (unlikely(bp->panic))
5049 return IRQ_HANDLED;
5050#endif
5051
Merav Sicron55c11942012-11-07 00:45:48 +00005052 if (CNIC_LOADED(bp)) {
Michael Chan993ac7b2009-10-10 13:46:56 +00005053 struct cnic_ops *c_ops;
5054
5055 rcu_read_lock();
5056 c_ops = rcu_dereference(bp->cnic_ops);
5057 if (c_ops)
5058 c_ops->cnic_handler(bp->cnic_data, NULL);
5059 rcu_read_unlock();
5060 }
Merav Sicron55c11942012-11-07 00:45:48 +00005061
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005062 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005063
5064 return IRQ_HANDLED;
5065}
5066
5067/* end of slow path */
5068
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005069
5070void bnx2x_drv_pulse(struct bnx2x *bp)
5071{
5072 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5073 bp->fw_drv_pulse_wr_seq);
5074}
5075
5076
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005077static void bnx2x_timer(unsigned long data)
5078{
5079 struct bnx2x *bp = (struct bnx2x *) data;
5080
5081 if (!netif_running(bp->dev))
5082 return;
5083
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005084 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005085 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005086 u32 drv_pulse;
5087 u32 mcp_pulse;
5088
5089 ++bp->fw_drv_pulse_wr_seq;
5090 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5091 /* TBD - add SYSTEM_TIME */
5092 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005093 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005094
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005095 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005096 MCP_PULSE_SEQ_MASK);
5097 /* The delta between driver pulse and mcp response
5098 * should be 1 (before mcp response) or 0 (after mcp response)
5099 */
5100 if ((drv_pulse != mcp_pulse) &&
5101 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5102 /* someone lost a heartbeat... */
5103 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5104 drv_pulse, mcp_pulse);
5105 }
5106 }
5107
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005108 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005109 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005110
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005111 mod_timer(&bp->timer, jiffies + bp->current_interval);
5112}
5113
5114/* end of Statistics */
5115
5116/* nic init */
5117
5118/*
5119 * nic init service functions
5120 */
5121
Eric Dumazet1191cb82012-04-27 21:39:21 +00005122static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005123{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005124 u32 i;
5125 if (!(len%4) && !(addr%4))
5126 for (i = 0; i < len; i += 4)
5127 REG_WR(bp, addr + i, fill);
5128 else
5129 for (i = 0; i < len; i++)
5130 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005131
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005132}
5133
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005134/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005135static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5136 int fw_sb_id,
5137 u32 *sb_data_p,
5138 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005139{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005140 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005141 for (index = 0; index < data_size; index++)
5142 REG_WR(bp, BAR_CSTRORM_INTMEM +
5143 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5144 sizeof(u32)*index,
5145 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005146}
5147
Eric Dumazet1191cb82012-04-27 21:39:21 +00005148static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005149{
5150 u32 *sb_data_p;
5151 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005152 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005153 struct hc_status_block_data_e1x sb_data_e1x;
5154
5155 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005156 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005157 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005158 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005159 sb_data_e2.common.p_func.vf_valid = false;
5160 sb_data_p = (u32 *)&sb_data_e2;
5161 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5162 } else {
5163 memset(&sb_data_e1x, 0,
5164 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005165 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005166 sb_data_e1x.common.p_func.vf_valid = false;
5167 sb_data_p = (u32 *)&sb_data_e1x;
5168 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5169 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005170 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5171
5172 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5173 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5174 CSTORM_STATUS_BLOCK_SIZE);
5175 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5176 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5177 CSTORM_SYNC_BLOCK_SIZE);
5178}
5179
5180/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005181static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005182 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005183{
5184 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005185 int i;
5186 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5187 REG_WR(bp, BAR_CSTRORM_INTMEM +
5188 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5189 i*sizeof(u32),
5190 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005191}
5192
Eric Dumazet1191cb82012-04-27 21:39:21 +00005193static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005194{
5195 int func = BP_FUNC(bp);
5196 struct hc_sp_status_block_data sp_sb_data;
5197 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5198
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005199 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005200 sp_sb_data.p_func.vf_valid = false;
5201
5202 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5203
5204 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5205 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5206 CSTORM_SP_STATUS_BLOCK_SIZE);
5207 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5208 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5209 CSTORM_SP_SYNC_BLOCK_SIZE);
5210
5211}
5212
5213
Eric Dumazet1191cb82012-04-27 21:39:21 +00005214static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005215 int igu_sb_id, int igu_seg_id)
5216{
5217 hc_sm->igu_sb_id = igu_sb_id;
5218 hc_sm->igu_seg_id = igu_seg_id;
5219 hc_sm->timer_value = 0xFF;
5220 hc_sm->time_to_expire = 0xFFFFFFFF;
5221}
5222
David S. Miller8decf862011-09-22 03:23:13 -04005223
5224/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005225static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005226{
5227 /* zero out state machine indices */
5228 /* rx indices */
5229 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5230
5231 /* tx indices */
5232 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5233 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5234 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5235 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5236
5237 /* map indices */
5238 /* rx indices */
5239 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5240 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5241
5242 /* tx indices */
5243 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5244 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5245 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5246 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5247 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5248 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5249 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5250 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5251}
5252
stephen hemminger8d962862010-10-21 07:50:56 +00005253static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005254 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5255{
5256 int igu_seg_id;
5257
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005258 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005259 struct hc_status_block_data_e1x sb_data_e1x;
5260 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005261 int data_size;
5262 u32 *sb_data_p;
5263
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005264 if (CHIP_INT_MODE_IS_BC(bp))
5265 igu_seg_id = HC_SEG_ACCESS_NORM;
5266 else
5267 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005268
5269 bnx2x_zero_fp_sb(bp, fw_sb_id);
5270
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005271 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005272 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005273 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005274 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5275 sb_data_e2.common.p_func.vf_id = vfid;
5276 sb_data_e2.common.p_func.vf_valid = vf_valid;
5277 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5278 sb_data_e2.common.same_igu_sb_1b = true;
5279 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5280 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5281 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005282 sb_data_p = (u32 *)&sb_data_e2;
5283 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005284 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005285 } else {
5286 memset(&sb_data_e1x, 0,
5287 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005288 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005289 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5290 sb_data_e1x.common.p_func.vf_id = 0xff;
5291 sb_data_e1x.common.p_func.vf_valid = false;
5292 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5293 sb_data_e1x.common.same_igu_sb_1b = true;
5294 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5295 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5296 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005297 sb_data_p = (u32 *)&sb_data_e1x;
5298 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005299 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005300 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005301
5302 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5303 igu_sb_id, igu_seg_id);
5304 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5305 igu_sb_id, igu_seg_id);
5306
Merav Sicron51c1a582012-03-18 10:33:38 +00005307 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005308
5309 /* write indecies to HW */
5310 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5311}
5312
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005313static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005314 u16 tx_usec, u16 rx_usec)
5315{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005316 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005317 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005318 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5319 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5320 tx_usec);
5321 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5322 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5323 tx_usec);
5324 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5325 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5326 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005327}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005328
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005329static void bnx2x_init_def_sb(struct bnx2x *bp)
5330{
5331 struct host_sp_status_block *def_sb = bp->def_status_blk;
5332 dma_addr_t mapping = bp->def_status_blk_mapping;
5333 int igu_sp_sb_index;
5334 int igu_seg_id;
5335 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005336 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005337 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005338 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005339 int index;
5340 struct hc_sp_status_block_data sp_sb_data;
5341 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5342
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005343 if (CHIP_INT_MODE_IS_BC(bp)) {
5344 igu_sp_sb_index = DEF_SB_IGU_ID;
5345 igu_seg_id = HC_SEG_ACCESS_DEF;
5346 } else {
5347 igu_sp_sb_index = bp->igu_dsb_id;
5348 igu_seg_id = IGU_SEG_ACCESS_DEF;
5349 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005350
5351 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005352 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005353 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005354 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005355
Eliezer Tamir49d66772008-02-28 11:53:13 -08005356 bp->attn_state = 0;
5357
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005358 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5359 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005360 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5361 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005362 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005363 int sindex;
5364 /* take care of sig[0]..sig[4] */
5365 for (sindex = 0; sindex < 4; sindex++)
5366 bp->attn_group[index].sig[sindex] =
5367 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005368
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005369 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005370 /*
5371 * enable5 is separate from the rest of the registers,
5372 * and therefore the address skip is 4
5373 * and not 16 between the different groups
5374 */
5375 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005376 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005377 else
5378 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005379 }
5380
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005381 if (bp->common.int_block == INT_BLOCK_HC) {
5382 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5383 HC_REG_ATTN_MSG0_ADDR_L);
5384
5385 REG_WR(bp, reg_offset, U64_LO(section));
5386 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005387 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005388 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5389 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5390 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005391
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005392 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5393 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005394
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005395 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005396
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005397 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005398 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5399 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5400 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5401 sp_sb_data.igu_seg_id = igu_seg_id;
5402 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005403 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005404 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005405
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005406 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005408 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005409}
5410
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005411void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005412{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005413 int i;
5414
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005415 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005416 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005417 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005418}
5419
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005420static void bnx2x_init_sp_ring(struct bnx2x *bp)
5421{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005422 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005423 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005425 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5427 bp->spq_prod_bd = bp->spq;
5428 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005429}
5430
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005431static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005432{
5433 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005434 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5435 union event_ring_elem *elem =
5436 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005438 elem->next_page.addr.hi =
5439 cpu_to_le32(U64_HI(bp->eq_mapping +
5440 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5441 elem->next_page.addr.lo =
5442 cpu_to_le32(U64_LO(bp->eq_mapping +
5443 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005444 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005445 bp->eq_cons = 0;
5446 bp->eq_prod = NUM_EQ_DESC;
5447 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005448 /* we want a warning message before it gets rought... */
5449 atomic_set(&bp->eq_spq_left,
5450 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005451}
5452
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005453
5454/* called with netif_addr_lock_bh() */
5455void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5456 unsigned long rx_mode_flags,
5457 unsigned long rx_accept_flags,
5458 unsigned long tx_accept_flags,
5459 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005460{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005461 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5462 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005463
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005464 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005465
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005466 /* Prepare ramrod parameters */
5467 ramrod_param.cid = 0;
5468 ramrod_param.cl_id = cl_id;
5469 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5470 ramrod_param.func_id = BP_FUNC(bp);
5471
5472 ramrod_param.pstate = &bp->sp_state;
5473 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5474
5475 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5476 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5477
5478 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5479
5480 ramrod_param.ramrod_flags = ramrod_flags;
5481 ramrod_param.rx_mode_flags = rx_mode_flags;
5482
5483 ramrod_param.rx_accept_flags = rx_accept_flags;
5484 ramrod_param.tx_accept_flags = tx_accept_flags;
5485
5486 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5487 if (rc < 0) {
5488 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5489 return;
5490 }
5491}
5492
5493/* called with netif_addr_lock_bh() */
5494void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5495{
5496 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5497 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5498
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005499 if (!NO_FCOE(bp))
5500
5501 /* Configure rx_mode of FCoE Queue */
5502 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005503
5504 switch (bp->rx_mode) {
5505 case BNX2X_RX_MODE_NONE:
5506 /*
5507 * 'drop all' supersedes any accept flags that may have been
5508 * passed to the function.
5509 */
5510 break;
5511 case BNX2X_RX_MODE_NORMAL:
5512 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5513 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5514 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5515
5516 /* internal switching mode */
5517 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5518 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5519 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5520
5521 break;
5522 case BNX2X_RX_MODE_ALLMULTI:
5523 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5524 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5525 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5526
5527 /* internal switching mode */
5528 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5529 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5530 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5531
5532 break;
5533 case BNX2X_RX_MODE_PROMISC:
5534 /* According to deffinition of SI mode, iface in promisc mode
5535 * should receive matched and unmatched (in resolution of port)
5536 * unicast packets.
5537 */
5538 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5539 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5540 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5541 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5542
5543 /* internal switching mode */
5544 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5545 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5546
5547 if (IS_MF_SI(bp))
5548 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5549 else
5550 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5551
5552 break;
5553 default:
5554 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5555 return;
5556 }
5557
5558 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5559 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5560 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5561 }
5562
5563 __set_bit(RAMROD_RX, &ramrod_flags);
5564 __set_bit(RAMROD_TX, &ramrod_flags);
5565
5566 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5567 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005568}
5569
Eilon Greenstein471de712008-08-13 15:49:35 -07005570static void bnx2x_init_internal_common(struct bnx2x *bp)
5571{
5572 int i;
5573
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005574 if (IS_MF_SI(bp))
5575 /*
5576 * In switch independent mode, the TSTORM needs to accept
5577 * packets that failed classification, since approximate match
5578 * mac addresses aren't written to NIG LLH
5579 */
5580 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5581 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005582 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5583 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5584 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005585
Eilon Greenstein471de712008-08-13 15:49:35 -07005586 /* Zero this manually as its initialization is
5587 currently missing in the initTool */
5588 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5589 REG_WR(bp, BAR_USTRORM_INTMEM +
5590 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005591 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005592 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5593 CHIP_INT_MODE_IS_BC(bp) ?
5594 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5595 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005596}
5597
Eilon Greenstein471de712008-08-13 15:49:35 -07005598static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5599{
5600 switch (load_code) {
5601 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005602 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005603 bnx2x_init_internal_common(bp);
5604 /* no break */
5605
5606 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005607 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005608 /* no break */
5609
5610 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005611 /* internal memory per function is
5612 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005613 break;
5614
5615 default:
5616 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5617 break;
5618 }
5619}
5620
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005621static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5622{
Merav Sicron55c11942012-11-07 00:45:48 +00005623 return fp->bp->igu_base_sb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005624}
5625
5626static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5627{
Merav Sicron55c11942012-11-07 00:45:48 +00005628 return fp->bp->base_fw_ndsb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005629}
5630
Eric Dumazet1191cb82012-04-27 21:39:21 +00005631static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005632{
5633 if (CHIP_IS_E1x(fp->bp))
5634 return BP_L_ID(fp->bp) + fp->index;
5635 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5636 return bnx2x_fp_igu_sb_id(fp);
5637}
5638
Ariel Elior6383c0b2011-07-14 08:31:57 +00005639static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005640{
5641 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005642 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005643 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005644 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005645 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005646 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005647 fp->cl_id = bnx2x_fp_cl_id(fp);
5648 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5649 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005650 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005651 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5652
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005653 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005654 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005655
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005656 /* Setup SB indicies */
5657 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005658
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005659 /* Configure Queue State object */
5660 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5661 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005662
5663 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5664
5665 /* init tx data */
5666 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005667 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5668 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5669 FP_COS_TO_TXQ(fp, cos, bp),
5670 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5671 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005672 }
5673
Barak Witkowski15192a82012-06-19 07:48:28 +00005674 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5675 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005676 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005677
5678 /**
5679 * Configure classification DBs: Always enable Tx switching
5680 */
5681 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5682
Merav Sicron51c1a582012-03-18 10:33:38 +00005683 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005684 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005685 fp->igu_sb_id);
5686 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5687 fp->fw_sb_id, fp->igu_sb_id);
5688
5689 bnx2x_update_fpsb_idx(fp);
5690}
5691
Eric Dumazet1191cb82012-04-27 21:39:21 +00005692static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5693{
5694 int i;
5695
5696 for (i = 1; i <= NUM_TX_RINGS; i++) {
5697 struct eth_tx_next_bd *tx_next_bd =
5698 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5699
5700 tx_next_bd->addr_hi =
5701 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5702 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5703 tx_next_bd->addr_lo =
5704 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5705 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5706 }
5707
5708 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5709 txdata->tx_db.data.zero_fill1 = 0;
5710 txdata->tx_db.data.prod = 0;
5711
5712 txdata->tx_pkt_prod = 0;
5713 txdata->tx_pkt_cons = 0;
5714 txdata->tx_bd_prod = 0;
5715 txdata->tx_bd_cons = 0;
5716 txdata->tx_pkt = 0;
5717}
5718
Merav Sicron55c11942012-11-07 00:45:48 +00005719static void bnx2x_init_tx_rings_cnic(struct bnx2x *bp)
5720{
5721 int i;
5722
5723 for_each_tx_queue_cnic(bp, i)
5724 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[0]);
5725}
Eric Dumazet1191cb82012-04-27 21:39:21 +00005726static void bnx2x_init_tx_rings(struct bnx2x *bp)
5727{
5728 int i;
5729 u8 cos;
5730
Merav Sicron55c11942012-11-07 00:45:48 +00005731 for_each_eth_queue(bp, i)
Eric Dumazet1191cb82012-04-27 21:39:21 +00005732 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00005733 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00005734}
5735
Merav Sicron55c11942012-11-07 00:45:48 +00005736void bnx2x_nic_init_cnic(struct bnx2x *bp)
5737{
5738 if (!NO_FCOE(bp))
5739 bnx2x_init_fcoe_fp(bp);
5740
5741 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5742 BNX2X_VF_ID_INVALID, false,
5743 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
5744
5745 /* ensure status block indices were read */
5746 rmb();
5747 bnx2x_init_rx_rings_cnic(bp);
5748 bnx2x_init_tx_rings_cnic(bp);
5749
5750 /* flush all */
5751 mb();
5752 mmiowb();
5753}
5754
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005755void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005756{
5757 int i;
5758
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005759 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005760 bnx2x_init_eth_fp(bp, i);
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005761 /* Initialize MOD_ABS interrupts */
5762 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5763 bp->common.shmem_base, bp->common.shmem2_base,
5764 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005765 /* ensure status block indices were read */
5766 rmb();
5767
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005768 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005769 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005770 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005771 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005772 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005773 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005774 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005775 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005776 bnx2x_stats_init(bp);
5777
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005778 /* flush all before enabling interrupts */
5779 mb();
5780 mmiowb();
5781
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005782 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005783
5784 /* Check for SPIO5 */
5785 bnx2x_attn_int_deasserted0(bp,
5786 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5787 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005788}
5789
5790/* end of nic init */
5791
5792/*
5793 * gzip service functions
5794 */
5795
5796static int bnx2x_gunzip_init(struct bnx2x *bp)
5797{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005798 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5799 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005800 if (bp->gunzip_buf == NULL)
5801 goto gunzip_nomem1;
5802
5803 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5804 if (bp->strm == NULL)
5805 goto gunzip_nomem2;
5806
David S. Miller7ab24bf2011-06-29 05:48:41 -07005807 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005808 if (bp->strm->workspace == NULL)
5809 goto gunzip_nomem3;
5810
5811 return 0;
5812
5813gunzip_nomem3:
5814 kfree(bp->strm);
5815 bp->strm = NULL;
5816
5817gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005818 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5819 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005820 bp->gunzip_buf = NULL;
5821
5822gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005823 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005824 return -ENOMEM;
5825}
5826
5827static void bnx2x_gunzip_end(struct bnx2x *bp)
5828{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005829 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005830 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005831 kfree(bp->strm);
5832 bp->strm = NULL;
5833 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005834
5835 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005836 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5837 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005838 bp->gunzip_buf = NULL;
5839 }
5840}
5841
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005842static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005843{
5844 int n, rc;
5845
5846 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005847 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5848 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005849 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005850 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005851
5852 n = 10;
5853
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005854#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005855
5856 if (zbuf[3] & FNAME)
5857 while ((zbuf[n++] != 0) && (n < len));
5858
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005859 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005860 bp->strm->avail_in = len - n;
5861 bp->strm->next_out = bp->gunzip_buf;
5862 bp->strm->avail_out = FW_BUF_SIZE;
5863
5864 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5865 if (rc != Z_OK)
5866 return rc;
5867
5868 rc = zlib_inflate(bp->strm, Z_FINISH);
5869 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005870 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5871 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005872
5873 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5874 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005875 netdev_err(bp->dev,
5876 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005877 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005878 bp->gunzip_outlen >>= 2;
5879
5880 zlib_inflateEnd(bp->strm);
5881
5882 if (rc == Z_STREAM_END)
5883 return 0;
5884
5885 return rc;
5886}
5887
5888/* nic load/unload */
5889
5890/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005891 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005892 */
5893
5894/* send a NIG loopback debug packet */
5895static void bnx2x_lb_pckt(struct bnx2x *bp)
5896{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005897 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005898
5899 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005900 wb_write[0] = 0x55555555;
5901 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005902 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005903 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005904
5905 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005906 wb_write[0] = 0x09000000;
5907 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005908 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005909 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005910}
5911
5912/* some of the internal memories
5913 * are not directly readable from the driver
5914 * to test them we send debug packets
5915 */
5916static int bnx2x_int_mem_test(struct bnx2x *bp)
5917{
5918 int factor;
5919 int count, i;
5920 u32 val = 0;
5921
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005922 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005923 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005924 else if (CHIP_REV_IS_EMUL(bp))
5925 factor = 200;
5926 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005927 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005928
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005929 /* Disable inputs of parser neighbor blocks */
5930 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5931 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5932 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005933 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005934
5935 /* Write 0 to parser credits for CFC search request */
5936 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5937
5938 /* send Ethernet packet */
5939 bnx2x_lb_pckt(bp);
5940
5941 /* TODO do i reset NIG statistic? */
5942 /* Wait until NIG register shows 1 packet of size 0x10 */
5943 count = 1000 * factor;
5944 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005945
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005946 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5947 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005948 if (val == 0x10)
5949 break;
5950
5951 msleep(10);
5952 count--;
5953 }
5954 if (val != 0x10) {
5955 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5956 return -1;
5957 }
5958
5959 /* Wait until PRS register shows 1 packet */
5960 count = 1000 * factor;
5961 while (count) {
5962 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005963 if (val == 1)
5964 break;
5965
5966 msleep(10);
5967 count--;
5968 }
5969 if (val != 0x1) {
5970 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5971 return -2;
5972 }
5973
5974 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005975 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005976 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005977 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005979 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5980 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981
5982 DP(NETIF_MSG_HW, "part2\n");
5983
5984 /* Disable inputs of parser neighbor blocks */
5985 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5986 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5987 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005988 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005989
5990 /* Write 0 to parser credits for CFC search request */
5991 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5992
5993 /* send 10 Ethernet packets */
5994 for (i = 0; i < 10; i++)
5995 bnx2x_lb_pckt(bp);
5996
5997 /* Wait until NIG register shows 10 + 1
5998 packets of size 11*0x10 = 0xb0 */
5999 count = 1000 * factor;
6000 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006001
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6003 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006004 if (val == 0xb0)
6005 break;
6006
6007 msleep(10);
6008 count--;
6009 }
6010 if (val != 0xb0) {
6011 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6012 return -3;
6013 }
6014
6015 /* Wait until PRS register shows 2 packets */
6016 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6017 if (val != 2)
6018 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6019
6020 /* Write 1 to parser credits for CFC search request */
6021 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6022
6023 /* Wait until PRS register shows 3 packets */
6024 msleep(10 * factor);
6025 /* Wait until NIG register shows 1 packet of size 0x10 */
6026 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6027 if (val != 3)
6028 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6029
6030 /* clear NIG EOP FIFO */
6031 for (i = 0; i < 11; i++)
6032 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6033 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6034 if (val != 1) {
6035 BNX2X_ERR("clear of NIG failed\n");
6036 return -4;
6037 }
6038
6039 /* Reset and init BRB, PRS, NIG */
6040 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6041 msleep(50);
6042 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6043 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006044 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6045 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Merav Sicron55c11942012-11-07 00:45:48 +00006046 if (!CNIC_SUPPORT(bp))
6047 /* set NIC mode */
6048 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006049
6050 /* Enable inputs of parser neighbor blocks */
6051 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6052 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6053 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006054 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006055
6056 DP(NETIF_MSG_HW, "done\n");
6057
6058 return 0; /* OK */
6059}
6060
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006061static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006062{
6063 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006064 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006065 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6066 else
6067 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006068 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6069 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006070 /*
6071 * mask read length error interrupts in brb for parser
6072 * (parsing unit and 'checksum and crc' unit)
6073 * these errors are legal (PU reads fixed length and CAC can cause
6074 * read length error on truncated packets)
6075 */
6076 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006077 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6078 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6079 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6080 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6081 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006082/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6083/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006084 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6085 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6086 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006087/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6088/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6090 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6091 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6092 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006093/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6094/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006095
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006096 if (CHIP_REV_IS_FPGA(bp))
6097 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006098 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006099 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
6100 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
6101 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
6102 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
6103 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
6104 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006105 else
6106 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6108 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6109 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006110/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006111
6112 if (!CHIP_IS_E1x(bp))
6113 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6114 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6115
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006116 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6117 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006118/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006119 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006120}
6121
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006122static void bnx2x_reset_common(struct bnx2x *bp)
6123{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006124 u32 val = 0x1400;
6125
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006126 /* reset_common */
6127 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6128 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006129
6130 if (CHIP_IS_E3(bp)) {
6131 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6132 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6133 }
6134
6135 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6136}
6137
6138static void bnx2x_setup_dmae(struct bnx2x *bp)
6139{
6140 bp->dmae_ready = 0;
6141 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006142}
6143
Eilon Greenstein573f2032009-08-12 08:24:14 +00006144static void bnx2x_init_pxp(struct bnx2x *bp)
6145{
6146 u16 devctl;
6147 int r_order, w_order;
6148
Jiang Liu2a80eeb2012-08-20 13:26:51 -06006149 pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006150 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6151 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6152 if (bp->mrrs == -1)
6153 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6154 else {
6155 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6156 r_order = bp->mrrs;
6157 }
6158
6159 bnx2x_init_pxp_arb(bp, r_order, w_order);
6160}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006161
6162static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6163{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006164 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006165 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006166 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006167
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006168 if (BP_NOMCP(bp))
6169 return;
6170
6171 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006172 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6173 SHARED_HW_CFG_FAN_FAILURE_MASK;
6174
6175 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6176 is_required = 1;
6177
6178 /*
6179 * The fan failure mechanism is usually related to the PHY type since
6180 * the power consumption of the board is affected by the PHY. Currently,
6181 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6182 */
6183 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6184 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006185 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006186 bnx2x_fan_failure_det_req(
6187 bp,
6188 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006189 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006190 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006191 }
6192
6193 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6194
6195 if (is_required == 0)
6196 return;
6197
6198 /* Fan failure is indicated by SPIO 5 */
6199 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
6200 MISC_REGISTERS_SPIO_INPUT_HI_Z);
6201
6202 /* set to active low mode */
6203 val = REG_RD(bp, MISC_REG_SPIO_INT);
6204 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006205 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006206 REG_WR(bp, MISC_REG_SPIO_INT, val);
6207
6208 /* enable interrupt to signal the IGU */
6209 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6210 val |= (1 << MISC_REGISTERS_SPIO_5);
6211 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6212}
6213
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006214static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6215{
6216 u32 offset = 0;
6217
6218 if (CHIP_IS_E1(bp))
6219 return;
6220 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6221 return;
6222
6223 switch (BP_ABS_FUNC(bp)) {
6224 case 0:
6225 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6226 break;
6227 case 1:
6228 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6229 break;
6230 case 2:
6231 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6232 break;
6233 case 3:
6234 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6235 break;
6236 case 4:
6237 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6238 break;
6239 case 5:
6240 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6241 break;
6242 case 6:
6243 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6244 break;
6245 case 7:
6246 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6247 break;
6248 default:
6249 return;
6250 }
6251
6252 REG_WR(bp, offset, pretend_func_num);
6253 REG_RD(bp, offset);
6254 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6255}
6256
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006257void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006258{
6259 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6260 val &= ~IGU_PF_CONF_FUNC_EN;
6261
6262 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6263 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6264 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6265}
6266
Eric Dumazet1191cb82012-04-27 21:39:21 +00006267static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006268{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006269 u32 shmem_base[2], shmem2_base[2];
6270 shmem_base[0] = bp->common.shmem_base;
6271 shmem2_base[0] = bp->common.shmem2_base;
6272 if (!CHIP_IS_E1x(bp)) {
6273 shmem_base[1] =
6274 SHMEM2_RD(bp, other_shmem_base_addr);
6275 shmem2_base[1] =
6276 SHMEM2_RD(bp, other_shmem2_base_addr);
6277 }
6278 bnx2x_acquire_phy_lock(bp);
6279 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6280 bp->common.chip_id);
6281 bnx2x_release_phy_lock(bp);
6282}
6283
6284/**
6285 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6286 *
6287 * @bp: driver handle
6288 */
6289static int bnx2x_init_hw_common(struct bnx2x *bp)
6290{
6291 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006292
Merav Sicron51c1a582012-03-18 10:33:38 +00006293 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006294
David S. Miller823dcd22011-08-20 10:39:12 -07006295 /*
6296 * take the UNDI lock to protect undi_unload flow from accessing
6297 * registers while we're resetting the chip
6298 */
David S. Miller8decf862011-09-22 03:23:13 -04006299 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006300
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006301 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006302 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006303
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006304 val = 0xfffc;
6305 if (CHIP_IS_E3(bp)) {
6306 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6307 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6308 }
6309 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006310
David S. Miller8decf862011-09-22 03:23:13 -04006311 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006312
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006313 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6314
6315 if (!CHIP_IS_E1x(bp)) {
6316 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006317
6318 /**
6319 * 4-port mode or 2-port mode we need to turn of master-enable
6320 * for everyone, after that, turn it back on for self.
6321 * so, we disregard multi-function or not, and always disable
6322 * for all functions on the given path, this means 0,2,4,6 for
6323 * path 0 and 1,3,5,7 for path 1
6324 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006325 for (abs_func_id = BP_PATH(bp);
6326 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6327 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006328 REG_WR(bp,
6329 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6330 1);
6331 continue;
6332 }
6333
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006334 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006335 /* clear pf enable */
6336 bnx2x_pf_disable(bp);
6337 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6338 }
6339 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006340
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006341 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006342 if (CHIP_IS_E1(bp)) {
6343 /* enable HW interrupt from PXP on USDM overflow
6344 bit 16 on INT_MASK_0 */
6345 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006346 }
6347
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006348 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006349 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006350
6351#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006352 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6353 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6354 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6355 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6356 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006357 /* make sure this value is 0 */
6358 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006360/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6361 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6362 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6363 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6364 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006365#endif
6366
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006367 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6368
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006369 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6370 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006371
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006372 /* let the HW do it's magic ... */
6373 msleep(100);
6374 /* finish PXP init */
6375 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6376 if (val != 1) {
6377 BNX2X_ERR("PXP2 CFG failed\n");
6378 return -EBUSY;
6379 }
6380 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6381 if (val != 1) {
6382 BNX2X_ERR("PXP2 RD_INIT failed\n");
6383 return -EBUSY;
6384 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006385
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006386 /* Timers bug workaround E2 only. We need to set the entire ILT to
6387 * have entries with value "0" and valid bit on.
6388 * This needs to be done by the first PF that is loaded in a path
6389 * (i.e. common phase)
6390 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006391 if (!CHIP_IS_E1x(bp)) {
6392/* In E2 there is a bug in the timers block that can cause function 6 / 7
6393 * (i.e. vnic3) to start even if it is marked as "scan-off".
6394 * This occurs when a different function (func2,3) is being marked
6395 * as "scan-off". Real-life scenario for example: if a driver is being
6396 * load-unloaded while func6,7 are down. This will cause the timer to access
6397 * the ilt, translate to a logical address and send a request to read/write.
6398 * Since the ilt for the function that is down is not valid, this will cause
6399 * a translation error which is unrecoverable.
6400 * The Workaround is intended to make sure that when this happens nothing fatal
6401 * will occur. The workaround:
6402 * 1. First PF driver which loads on a path will:
6403 * a. After taking the chip out of reset, by using pretend,
6404 * it will write "0" to the following registers of
6405 * the other vnics.
6406 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6407 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6408 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6409 * And for itself it will write '1' to
6410 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6411 * dmae-operations (writing to pram for example.)
6412 * note: can be done for only function 6,7 but cleaner this
6413 * way.
6414 * b. Write zero+valid to the entire ILT.
6415 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6416 * VNIC3 (of that port). The range allocated will be the
6417 * entire ILT. This is needed to prevent ILT range error.
6418 * 2. Any PF driver load flow:
6419 * a. ILT update with the physical addresses of the allocated
6420 * logical pages.
6421 * b. Wait 20msec. - note that this timeout is needed to make
6422 * sure there are no requests in one of the PXP internal
6423 * queues with "old" ILT addresses.
6424 * c. PF enable in the PGLC.
6425 * d. Clear the was_error of the PF in the PGLC. (could have
6426 * occured while driver was down)
6427 * e. PF enable in the CFC (WEAK + STRONG)
6428 * f. Timers scan enable
6429 * 3. PF driver unload flow:
6430 * a. Clear the Timers scan_en.
6431 * b. Polling for scan_on=0 for that PF.
6432 * c. Clear the PF enable bit in the PXP.
6433 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6434 * e. Write zero+valid to all ILT entries (The valid bit must
6435 * stay set)
6436 * f. If this is VNIC 3 of a port then also init
6437 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6438 * to the last enrty in the ILT.
6439 *
6440 * Notes:
6441 * Currently the PF error in the PGLC is non recoverable.
6442 * In the future the there will be a recovery routine for this error.
6443 * Currently attention is masked.
6444 * Having an MCP lock on the load/unload process does not guarantee that
6445 * there is no Timer disable during Func6/7 enable. This is because the
6446 * Timers scan is currently being cleared by the MCP on FLR.
6447 * Step 2.d can be done only for PF6/7 and the driver can also check if
6448 * there is error before clearing it. But the flow above is simpler and
6449 * more general.
6450 * All ILT entries are written by zero+valid and not just PF6/7
6451 * ILT entries since in the future the ILT entries allocation for
6452 * PF-s might be dynamic.
6453 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006454 struct ilt_client_info ilt_cli;
6455 struct bnx2x_ilt ilt;
6456 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6457 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6458
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006459 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006460 ilt_cli.start = 0;
6461 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6462 ilt_cli.client_num = ILT_CLIENT_TM;
6463
6464 /* Step 1: set zeroes to all ilt page entries with valid bit on
6465 * Step 2: set the timers first/last ilt entry to point
6466 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006467 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006468 *
6469 * both steps performed by call to bnx2x_ilt_client_init_op()
6470 * with dummy TM client
6471 *
6472 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6473 * and his brother are split registers
6474 */
6475 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6476 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6477 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6478
6479 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6480 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6481 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6482 }
6483
6484
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006485 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6486 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006487
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006488 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006489 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6490 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006491 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006492
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006493 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006494
6495 /* let the HW do it's magic ... */
6496 do {
6497 msleep(200);
6498 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6499 } while (factor-- && (val != 1));
6500
6501 if (val != 1) {
6502 BNX2X_ERR("ATC_INIT failed\n");
6503 return -EBUSY;
6504 }
6505 }
6506
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006507 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006508
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006509 /* clean the DMAE memory */
6510 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006511 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006512
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006513 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6514
6515 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6516
6517 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6518
6519 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006520
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006521 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6522 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6523 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6524 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6525
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006526 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006527
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006528
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006529 /* QM queues pointers table */
6530 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006531
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006532 /* soft reset pulse */
6533 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6534 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006535
Merav Sicron55c11942012-11-07 00:45:48 +00006536 if (CNIC_SUPPORT(bp))
6537 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006538
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006539 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006540 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006541 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006542 /* enable hw interrupt from doorbell Q */
6543 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006544
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006545 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006546
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006547 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006548 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006549
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006550 if (!CHIP_IS_E1(bp))
6551 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6552
Barak Witkowskia3348722012-04-23 03:04:46 +00006553 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6554 if (IS_MF_AFEX(bp)) {
6555 /* configure that VNTag and VLAN headers must be
6556 * received in afex mode
6557 */
6558 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6559 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6560 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6561 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6562 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6563 } else {
6564 /* Bit-map indicating which L2 hdrs may appear
6565 * after the basic Ethernet header
6566 */
6567 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6568 bp->path_has_ovlan ? 7 : 6);
6569 }
6570 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006571
6572 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6573 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6574 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6575 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6576
6577 if (!CHIP_IS_E1x(bp)) {
6578 /* reset VFC memories */
6579 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6580 VFC_MEMORIES_RST_REG_CAM_RST |
6581 VFC_MEMORIES_RST_REG_RAM_RST);
6582 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6583 VFC_MEMORIES_RST_REG_CAM_RST |
6584 VFC_MEMORIES_RST_REG_RAM_RST);
6585
6586 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006587 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006588
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006589 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6590 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6591 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6592 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006593
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006594 /* sync semi rtc */
6595 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6596 0x80000000);
6597 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6598 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006599
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006600 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6601 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6602 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006603
Barak Witkowskia3348722012-04-23 03:04:46 +00006604 if (!CHIP_IS_E1x(bp)) {
6605 if (IS_MF_AFEX(bp)) {
6606 /* configure that VNTag and VLAN headers must be
6607 * sent in afex mode
6608 */
6609 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6610 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6611 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6612 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6613 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6614 } else {
6615 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6616 bp->path_has_ovlan ? 7 : 6);
6617 }
6618 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006619
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006620 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006621
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006622 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6623
Merav Sicron55c11942012-11-07 00:45:48 +00006624 if (CNIC_SUPPORT(bp)) {
6625 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6626 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6627 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6628 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6629 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6630 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6631 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6632 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6633 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6634 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6635 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006636 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006637
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006638 if (sizeof(union cdu_context) != 1024)
6639 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006640 dev_alert(&bp->pdev->dev,
6641 "please adjust the size of cdu_context(%ld)\n",
6642 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006643
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006644 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006645 val = (4 << 24) + (0 << 12) + 1024;
6646 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006647
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006648 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006649 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006650 /* enable context validation interrupt from CFC */
6651 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6652
6653 /* set the thresholds to prevent CFC/CDU race */
6654 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006655
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006656 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006657
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006658 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006659 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6660
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006661 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6662 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006664 /* Reset PCIE errors for debug */
6665 REG_WR(bp, 0x2814, 0xffffffff);
6666 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006667
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006668 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006669 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6670 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6671 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6672 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6673 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6674 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6675 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6676 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6677 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6678 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6679 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6680 }
6681
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006682 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006683 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006684 /* in E3 this done in per-port section */
6685 if (!CHIP_IS_E3(bp))
6686 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6687 }
6688 if (CHIP_IS_E1H(bp))
6689 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006690 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006692 if (CHIP_REV_IS_SLOW(bp))
6693 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006694
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006695 /* finish CFC init */
6696 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6697 if (val != 1) {
6698 BNX2X_ERR("CFC LL_INIT failed\n");
6699 return -EBUSY;
6700 }
6701 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6702 if (val != 1) {
6703 BNX2X_ERR("CFC AC_INIT failed\n");
6704 return -EBUSY;
6705 }
6706 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6707 if (val != 1) {
6708 BNX2X_ERR("CFC CAM_INIT failed\n");
6709 return -EBUSY;
6710 }
6711 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006712
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006713 if (CHIP_IS_E1(bp)) {
6714 /* read NIG statistic
6715 to see if this is our first up since powerup */
6716 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6717 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006718
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006719 /* do internal memory self test */
6720 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6721 BNX2X_ERR("internal mem self test failed\n");
6722 return -EBUSY;
6723 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006724 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006725
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006726 bnx2x_setup_fan_failure_detection(bp);
6727
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006728 /* clear PXP2 attentions */
6729 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006730
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006731 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006732 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006733
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006734 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006735 if (CHIP_IS_E1x(bp))
6736 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006737 } else
6738 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6739
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006740 return 0;
6741}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006742
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006743/**
6744 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6745 *
6746 * @bp: driver handle
6747 */
6748static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6749{
6750 int rc = bnx2x_init_hw_common(bp);
6751
6752 if (rc)
6753 return rc;
6754
6755 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6756 if (!BP_NOMCP(bp))
6757 bnx2x__common_init_phy(bp);
6758
6759 return 0;
6760}
6761
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006762static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006763{
6764 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006765 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006766 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006767 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006768
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006769
Merav Sicron51c1a582012-03-18 10:33:38 +00006770 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006771
6772 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006773
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006774 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6775 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6776 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006777
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006778 /* Timers bug workaround: disables the pf_master bit in pglue at
6779 * common phase, we need to enable it here before any dmae access are
6780 * attempted. Therefore we manually added the enable-master to the
6781 * port phase (it also happens in the function phase)
6782 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006783 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006784 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6785
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006786 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6787 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6788 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6789 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6790
6791 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6792 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6793 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6794 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006795
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006796 /* QM cid (connection) count */
6797 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006798
Merav Sicron55c11942012-11-07 00:45:48 +00006799 if (CNIC_SUPPORT(bp)) {
6800 bnx2x_init_block(bp, BLOCK_TM, init_phase);
6801 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6802 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
6803 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006804
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006805 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006806
Dmitry Kravkov2b674042012-10-28 21:59:04 +00006807 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6808
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006809 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006810
6811 if (IS_MF(bp))
6812 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6813 else if (bp->dev->mtu > 4096) {
6814 if (bp->flags & ONE_PORT_FLAG)
6815 low = 160;
6816 else {
6817 val = bp->dev->mtu;
6818 /* (24*1024 + val*4)/256 */
6819 low = 96 + (val/64) +
6820 ((val % 64) ? 1 : 0);
6821 }
6822 } else
6823 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6824 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006825 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6826 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6827 }
6828
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006829 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006830 REG_WR(bp, (BP_PORT(bp) ?
6831 BRB1_REG_MAC_GUARANTIED_1 :
6832 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006833
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006834
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006835 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006836 if (CHIP_IS_E3B0(bp)) {
6837 if (IS_MF_AFEX(bp)) {
6838 /* configure headers for AFEX mode */
6839 REG_WR(bp, BP_PORT(bp) ?
6840 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6841 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6842 REG_WR(bp, BP_PORT(bp) ?
6843 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6844 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6845 REG_WR(bp, BP_PORT(bp) ?
6846 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6847 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6848 } else {
6849 /* Ovlan exists only if we are in multi-function +
6850 * switch-dependent mode, in switch-independent there
6851 * is no ovlan headers
6852 */
6853 REG_WR(bp, BP_PORT(bp) ?
6854 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6855 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6856 (bp->path_has_ovlan ? 7 : 6));
6857 }
6858 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006859
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006860 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6861 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6862 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6863 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6864
6865 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6866 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6867 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6868 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6869
6870 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6871 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6872
6873 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6874
6875 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006876 /* configure PBF to work without PAUSE mtu 9000 */
6877 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006878
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006879 /* update threshold */
6880 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6881 /* update init credit */
6882 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006883
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006884 /* probe changes */
6885 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6886 udelay(50);
6887 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6888 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006889
Merav Sicron55c11942012-11-07 00:45:48 +00006890 if (CNIC_SUPPORT(bp))
6891 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
6892
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006893 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6894 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006895
6896 if (CHIP_IS_E1(bp)) {
6897 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6898 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6899 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006900 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006901
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006902 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006903
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006904 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006905 /* init aeu_mask_attn_func_0/1:
6906 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6907 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6908 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006909 val = IS_MF(bp) ? 0xF7 : 0x7;
6910 /* Enable DCBX attention for all but E1 */
6911 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6912 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006913
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006914 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006915
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006916 if (!CHIP_IS_E1x(bp)) {
6917 /* Bit-map indicating which L2 hdrs may appear after the
6918 * basic Ethernet header
6919 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006920 if (IS_MF_AFEX(bp))
6921 REG_WR(bp, BP_PORT(bp) ?
6922 NIG_REG_P1_HDRS_AFTER_BASIC :
6923 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6924 else
6925 REG_WR(bp, BP_PORT(bp) ?
6926 NIG_REG_P1_HDRS_AFTER_BASIC :
6927 NIG_REG_P0_HDRS_AFTER_BASIC,
6928 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006929
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006930 if (CHIP_IS_E3(bp))
6931 REG_WR(bp, BP_PORT(bp) ?
6932 NIG_REG_LLH1_MF_MODE :
6933 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6934 }
6935 if (!CHIP_IS_E3(bp))
6936 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006937
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006938 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006939 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006940 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006941 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006942
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006943 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006944 val = 0;
6945 switch (bp->mf_mode) {
6946 case MULTI_FUNCTION_SD:
6947 val = 1;
6948 break;
6949 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00006950 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006951 val = 2;
6952 break;
6953 }
6954
6955 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6956 NIG_REG_LLH0_CLS_TYPE), val);
6957 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006958 {
6959 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6960 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6961 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6962 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006963 }
6964
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006965
6966 /* If SPIO5 is set to generate interrupts, enable it for this port */
6967 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6968 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006969 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6970 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6971 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006972 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006973 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006974 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006975
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006976 return 0;
6977}
6978
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006979static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6980{
6981 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00006982 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006983
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006984 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006985 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006986 else
6987 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006988
Yuval Mintz32d68de2012-04-03 18:41:24 +00006989 wb_write[0] = ONCHIP_ADDR1(addr);
6990 wb_write[1] = ONCHIP_ADDR2(addr);
6991 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006992}
6993
Eric Dumazet1191cb82012-04-27 21:39:21 +00006994static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
6995 u8 idu_sb_id, bool is_Pf)
6996{
6997 u32 data, ctl, cnt = 100;
6998 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
6999 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
7000 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7001 u32 sb_bit = 1 << (idu_sb_id%32);
7002 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
7003 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7004
7005 /* Not supported in BC mode */
7006 if (CHIP_INT_MODE_IS_BC(bp))
7007 return;
7008
7009 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7010 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7011 IGU_REGULAR_CLEANUP_SET |
7012 IGU_REGULAR_BCLEANUP;
7013
7014 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7015 func_encode << IGU_CTRL_REG_FID_SHIFT |
7016 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7017
7018 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7019 data, igu_addr_data);
7020 REG_WR(bp, igu_addr_data, data);
7021 mmiowb();
7022 barrier();
7023 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7024 ctl, igu_addr_ctl);
7025 REG_WR(bp, igu_addr_ctl, ctl);
7026 mmiowb();
7027 barrier();
7028
7029 /* wait for clean up to finish */
7030 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7031 msleep(20);
7032
7033
7034 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7035 DP(NETIF_MSG_HW,
7036 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7037 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7038 }
7039}
7040
7041static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007042{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007043 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007044}
7045
Eric Dumazet1191cb82012-04-27 21:39:21 +00007046static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007047{
7048 u32 i, base = FUNC_ILT_BASE(func);
7049 for (i = base; i < base + ILT_PER_FUNC; i++)
7050 bnx2x_ilt_wr(bp, i, 0);
7051}
7052
Merav Sicron55c11942012-11-07 00:45:48 +00007053
Merav Sicron910cc722012-11-11 03:56:08 +00007054static void bnx2x_init_searcher(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007055{
7056 int port = BP_PORT(bp);
7057 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
7058 /* T1 hash bits value determines the T1 number of entries */
7059 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
7060}
7061
7062static inline int bnx2x_func_switch_update(struct bnx2x *bp, int suspend)
7063{
7064 int rc;
7065 struct bnx2x_func_state_params func_params = {NULL};
7066 struct bnx2x_func_switch_update_params *switch_update_params =
7067 &func_params.params.switch_update;
7068
7069 /* Prepare parameters for function state transitions */
7070 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7071 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
7072
7073 func_params.f_obj = &bp->func_obj;
7074 func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
7075
7076 /* Function parameters */
7077 switch_update_params->suspend = suspend;
7078
7079 rc = bnx2x_func_state_change(bp, &func_params);
7080
7081 return rc;
7082}
7083
Merav Sicron910cc722012-11-11 03:56:08 +00007084static int bnx2x_reset_nic_mode(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007085{
7086 int rc, i, port = BP_PORT(bp);
7087 int vlan_en = 0, mac_en[NUM_MACS];
7088
7089
7090 /* Close input from network */
7091 if (bp->mf_mode == SINGLE_FUNCTION) {
7092 bnx2x_set_rx_filter(&bp->link_params, 0);
7093 } else {
7094 vlan_en = REG_RD(bp, port ? NIG_REG_LLH1_FUNC_EN :
7095 NIG_REG_LLH0_FUNC_EN);
7096 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7097 NIG_REG_LLH0_FUNC_EN, 0);
7098 for (i = 0; i < NUM_MACS; i++) {
7099 mac_en[i] = REG_RD(bp, port ?
7100 (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7101 4 * i) :
7102 (NIG_REG_LLH0_FUNC_MEM_ENABLE +
7103 4 * i));
7104 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7105 4 * i) :
7106 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i), 0);
7107 }
7108 }
7109
7110 /* Close BMC to host */
7111 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7112 NIG_REG_P1_TX_MNG_HOST_ENABLE, 0);
7113
7114 /* Suspend Tx switching to the PF. Completion of this ramrod
7115 * further guarantees that all the packets of that PF / child
7116 * VFs in BRB were processed by the Parser, so it is safe to
7117 * change the NIC_MODE register.
7118 */
7119 rc = bnx2x_func_switch_update(bp, 1);
7120 if (rc) {
7121 BNX2X_ERR("Can't suspend tx-switching!\n");
7122 return rc;
7123 }
7124
7125 /* Change NIC_MODE register */
7126 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7127
7128 /* Open input from network */
7129 if (bp->mf_mode == SINGLE_FUNCTION) {
7130 bnx2x_set_rx_filter(&bp->link_params, 1);
7131 } else {
7132 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7133 NIG_REG_LLH0_FUNC_EN, vlan_en);
7134 for (i = 0; i < NUM_MACS; i++) {
7135 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7136 4 * i) :
7137 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i),
7138 mac_en[i]);
7139 }
7140 }
7141
7142 /* Enable BMC to host */
7143 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7144 NIG_REG_P1_TX_MNG_HOST_ENABLE, 1);
7145
7146 /* Resume Tx switching to the PF */
7147 rc = bnx2x_func_switch_update(bp, 0);
7148 if (rc) {
7149 BNX2X_ERR("Can't resume tx-switching!\n");
7150 return rc;
7151 }
7152
7153 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7154 return 0;
7155}
7156
7157int bnx2x_init_hw_func_cnic(struct bnx2x *bp)
7158{
7159 int rc;
7160
7161 bnx2x_ilt_init_op_cnic(bp, INITOP_SET);
7162
7163 if (CONFIGURE_NIC_MODE(bp)) {
7164 /* Configrue searcher as part of function hw init */
7165 bnx2x_init_searcher(bp);
7166
7167 /* Reset NIC mode */
7168 rc = bnx2x_reset_nic_mode(bp);
7169 if (rc)
7170 BNX2X_ERR("Can't change NIC mode!\n");
7171 return rc;
7172 }
7173
7174 return 0;
7175}
7176
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007177static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007178{
7179 int port = BP_PORT(bp);
7180 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007181 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007182 struct bnx2x_ilt *ilt = BP_ILT(bp);
7183 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007184 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007185 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007186 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007187
Merav Sicron51c1a582012-03-18 10:33:38 +00007188 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007189
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007190 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007191 if (!CHIP_IS_E1x(bp)) {
7192 rc = bnx2x_pf_flr_clnup(bp);
7193 if (rc)
7194 return rc;
7195 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007196
Eilon Greenstein8badd272009-02-12 08:36:15 +00007197 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007198 if (bp->common.int_block == INT_BLOCK_HC) {
7199 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7200 val = REG_RD(bp, addr);
7201 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7202 REG_WR(bp, addr, val);
7203 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007204
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007205 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7206 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7207
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007208 ilt = BP_ILT(bp);
7209 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007210
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007211 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007212 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007213 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007214 bp->context[i].cxt_mapping;
7215 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007216 }
7217 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007218
Merav Sicron55c11942012-11-07 00:45:48 +00007219 if (!CONFIGURE_NIC_MODE(bp)) {
7220 bnx2x_init_searcher(bp);
7221 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7222 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7223 } else {
7224 /* Set NIC mode */
7225 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7226 DP(NETIF_MSG_IFUP, "NIC MODE configrued\n");
Michael Chan37b091b2009-10-10 13:46:55 +00007227
Merav Sicron55c11942012-11-07 00:45:48 +00007228 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007229
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007230 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007231 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7232
7233 /* Turn on a single ISR mode in IGU if driver is going to use
7234 * INT#x or MSI
7235 */
7236 if (!(bp->flags & USING_MSIX_FLAG))
7237 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7238 /*
7239 * Timers workaround bug: function init part.
7240 * Need to wait 20msec after initializing ILT,
7241 * needed to make sure there are no requests in
7242 * one of the PXP internal queues with "old" ILT addresses
7243 */
7244 msleep(20);
7245 /*
7246 * Master enable - Due to WB DMAE writes performed before this
7247 * register is re-initialized as part of the regular function
7248 * init
7249 */
7250 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7251 /* Enable the function in IGU */
7252 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7253 }
7254
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007255 bp->dmae_ready = 1;
7256
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007257 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007258
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007259 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007260 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7261
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007262 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7263 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7264 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7265 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7266 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7267 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7268 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7269 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7270 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7271 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7272 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7273 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7274 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007275
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007276 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007277 REG_WR(bp, QM_REG_PF_EN, 1);
7278
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007279 if (!CHIP_IS_E1x(bp)) {
7280 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7281 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7282 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7283 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7284 }
7285 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007286
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007287 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7288 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7289 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7290 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7291 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7292 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7293 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7294 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7295 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7296 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7297 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7298 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007299 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7300
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007301 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007302
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007303 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007304
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007305 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007306 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7307
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007308 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007309 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007310 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007311 }
7312
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007313 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007314
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007315 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007316 if (bp->common.int_block == INT_BLOCK_HC) {
7317 if (CHIP_IS_E1H(bp)) {
7318 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7319
7320 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7321 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7322 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007323 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007324
7325 } else {
7326 int num_segs, sb_idx, prod_offset;
7327
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007328 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7329
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007330 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007331 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7332 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7333 }
7334
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007335 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007336
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007337 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007338 int dsb_idx = 0;
7339 /**
7340 * Producer memory:
7341 * E2 mode: address 0-135 match to the mapping memory;
7342 * 136 - PF0 default prod; 137 - PF1 default prod;
7343 * 138 - PF2 default prod; 139 - PF3 default prod;
7344 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7345 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7346 * 144-147 reserved.
7347 *
7348 * E1.5 mode - In backward compatible mode;
7349 * for non default SB; each even line in the memory
7350 * holds the U producer and each odd line hold
7351 * the C producer. The first 128 producers are for
7352 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7353 * producers are for the DSB for each PF.
7354 * Each PF has five segments: (the order inside each
7355 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7356 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7357 * 144-147 attn prods;
7358 */
7359 /* non-default-status-blocks */
7360 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7361 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7362 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7363 prod_offset = (bp->igu_base_sb + sb_idx) *
7364 num_segs;
7365
7366 for (i = 0; i < num_segs; i++) {
7367 addr = IGU_REG_PROD_CONS_MEMORY +
7368 (prod_offset + i) * 4;
7369 REG_WR(bp, addr, 0);
7370 }
7371 /* send consumer update with value 0 */
7372 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7373 USTORM_ID, 0, IGU_INT_NOP, 1);
7374 bnx2x_igu_clear_sb(bp,
7375 bp->igu_base_sb + sb_idx);
7376 }
7377
7378 /* default-status-blocks */
7379 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7380 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7381
7382 if (CHIP_MODE_IS_4_PORT(bp))
7383 dsb_idx = BP_FUNC(bp);
7384 else
David S. Miller8decf862011-09-22 03:23:13 -04007385 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007386
7387 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7388 IGU_BC_BASE_DSB_PROD + dsb_idx :
7389 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7390
David S. Miller8decf862011-09-22 03:23:13 -04007391 /*
7392 * igu prods come in chunks of E1HVN_MAX (4) -
7393 * does not matters what is the current chip mode
7394 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007395 for (i = 0; i < (num_segs * E1HVN_MAX);
7396 i += E1HVN_MAX) {
7397 addr = IGU_REG_PROD_CONS_MEMORY +
7398 (prod_offset + i)*4;
7399 REG_WR(bp, addr, 0);
7400 }
7401 /* send consumer update with 0 */
7402 if (CHIP_INT_MODE_IS_BC(bp)) {
7403 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7404 USTORM_ID, 0, IGU_INT_NOP, 1);
7405 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7406 CSTORM_ID, 0, IGU_INT_NOP, 1);
7407 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7408 XSTORM_ID, 0, IGU_INT_NOP, 1);
7409 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7410 TSTORM_ID, 0, IGU_INT_NOP, 1);
7411 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7412 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7413 } else {
7414 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7415 USTORM_ID, 0, IGU_INT_NOP, 1);
7416 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7417 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7418 }
7419 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7420
7421 /* !!! these should become driver const once
7422 rf-tool supports split-68 const */
7423 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7424 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7425 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7426 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7427 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7428 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7429 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007430 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007431
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007432 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007433 REG_WR(bp, 0x2114, 0xffffffff);
7434 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007435
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007436 if (CHIP_IS_E1x(bp)) {
7437 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7438 main_mem_base = HC_REG_MAIN_MEMORY +
7439 BP_PORT(bp) * (main_mem_size * 4);
7440 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7441 main_mem_width = 8;
7442
7443 val = REG_RD(bp, main_mem_prty_clr);
7444 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007445 DP(NETIF_MSG_HW,
7446 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7447 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007448
7449 /* Clear "false" parity errors in MSI-X table */
7450 for (i = main_mem_base;
7451 i < main_mem_base + main_mem_size * 4;
7452 i += main_mem_width) {
7453 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7454 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7455 i, main_mem_width / 4);
7456 }
7457 /* Clear HC parity attention */
7458 REG_RD(bp, main_mem_prty_clr);
7459 }
7460
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007461#ifdef BNX2X_STOP_ON_ERROR
7462 /* Enable STORMs SP logging */
7463 REG_WR8(bp, BAR_USTRORM_INTMEM +
7464 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7465 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7466 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7467 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7468 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7469 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7470 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7471#endif
7472
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007473 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007474
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007475 return 0;
7476}
7477
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007478
Merav Sicron55c11942012-11-07 00:45:48 +00007479void bnx2x_free_mem_cnic(struct bnx2x *bp)
7480{
7481 bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_FREE);
7482
7483 if (!CHIP_IS_E1x(bp))
7484 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7485 sizeof(struct host_hc_status_block_e2));
7486 else
7487 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7488 sizeof(struct host_hc_status_block_e1x));
7489
7490 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
7491}
7492
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007493void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007494{
Merav Sicrona0529972012-06-19 07:48:25 +00007495 int i;
7496
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007497 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007498 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007499 /* end of fastpath */
7500
7501 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007502 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007503
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007504 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7505 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7506
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007507 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007508 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007509
Merav Sicrona0529972012-06-19 07:48:25 +00007510 for (i = 0; i < L2_ILT_LINES(bp); i++)
7511 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7512 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007513 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7514
7515 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007516
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007517 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007518
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007519 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7520 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007521}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007522
Eric Dumazet1191cb82012-04-27 21:39:21 +00007523static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007524{
7525 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007526 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007527
Barak Witkowski50f0a562011-12-05 21:52:23 +00007528 /* number of queues for statistics is number of eth queues + FCoE */
7529 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007530
7531 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007532 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7533 * num of queues
7534 */
7535 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007536
7537
7538 /* Request is built from stats_query_header and an array of
7539 * stats_query_cmd_group each of which contains
7540 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7541 * configured in the stats_query_header.
7542 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007543 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7544 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007545
7546 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7547 num_groups * sizeof(struct stats_query_cmd_group);
7548
7549 /* Data for statistics requests + stats_conter
7550 *
7551 * stats_counter holds per-STORM counters that are incremented
7552 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007553 *
7554 * memory for FCoE offloaded statistics are counted anyway,
7555 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007556 */
7557 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7558 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007559 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007560 sizeof(struct per_queue_stats) * num_queue_stats +
7561 sizeof(struct stats_counter);
7562
7563 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7564 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7565
7566 /* Set shortcuts */
7567 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7568 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7569
7570 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7571 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7572
7573 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7574 bp->fw_stats_req_sz;
7575 return 0;
7576
7577alloc_mem_err:
7578 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7579 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007580 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007581 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007582}
7583
Merav Sicron55c11942012-11-07 00:45:48 +00007584int bnx2x_alloc_mem_cnic(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007585{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007586 if (!CHIP_IS_E1x(bp))
7587 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007588 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7589 sizeof(struct host_hc_status_block_e2));
7590 else
Merav Sicron55c11942012-11-07 00:45:48 +00007591 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb,
7592 &bp->cnic_sb_mapping,
7593 sizeof(struct
7594 host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007595
Merav Sicron55c11942012-11-07 00:45:48 +00007596 if (CONFIGURE_NIC_MODE(bp))
7597 /* allocate searcher T2 table, as it wan't allocated before */
7598 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007599
Merav Sicron55c11942012-11-07 00:45:48 +00007600 /* write address to which L5 should insert its values */
7601 bp->cnic_eth_dev.addr_drv_info_to_mcp =
7602 &bp->slowpath->drv_info_to_mcp;
7603
7604 if (bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_ALLOC))
7605 goto alloc_mem_err;
7606
7607 return 0;
7608
7609alloc_mem_err:
7610 bnx2x_free_mem_cnic(bp);
7611 BNX2X_ERR("Can't allocate memory\n");
7612 return -ENOMEM;
7613}
7614
7615int bnx2x_alloc_mem(struct bnx2x *bp)
7616{
7617 int i, allocated, context_size;
7618
7619 if (!CONFIGURE_NIC_MODE(bp))
7620 /* allocate searcher T2 table */
7621 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007622
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007623 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007624 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007625
7626 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7627 sizeof(struct bnx2x_slowpath));
7628
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007629 /* Allocated memory for FW statistics */
7630 if (bnx2x_alloc_fw_stats_mem(bp))
7631 goto alloc_mem_err;
7632
Merav Sicrona0529972012-06-19 07:48:25 +00007633 /* Allocate memory for CDU context:
7634 * This memory is allocated separately and not in the generic ILT
7635 * functions because CDU differs in few aspects:
7636 * 1. There are multiple entities allocating memory for context -
7637 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7638 * its own ILT lines.
7639 * 2. Since CDU page-size is not a single 4KB page (which is the case
7640 * for the other ILT clients), to be efficient we want to support
7641 * allocation of sub-page-size in the last entry.
7642 * 3. Context pointers are used by the driver to pass to FW / update
7643 * the context (for the other ILT clients the pointers are used just to
7644 * free the memory during unload).
7645 */
7646 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007647
Merav Sicrona0529972012-06-19 07:48:25 +00007648 for (i = 0, allocated = 0; allocated < context_size; i++) {
7649 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7650 (context_size - allocated));
7651 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7652 &bp->context[i].cxt_mapping,
7653 bp->context[i].size);
7654 allocated += bp->context[i].size;
7655 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007656 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007657
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007658 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7659 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007660
7661 /* Slow path ring */
7662 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7663
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007664 /* EQ */
7665 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7666 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007667
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007668
7669 /* fastpath */
7670 /* need to be done at the end, since it's self adjusting to amount
7671 * of memory available for RSS queues
7672 */
7673 if (bnx2x_alloc_fp_mem(bp))
7674 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007675 return 0;
7676
7677alloc_mem_err:
7678 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007679 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007680 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007681}
7682
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007683/*
7684 * Init service functions
7685 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007686
7687int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7688 struct bnx2x_vlan_mac_obj *obj, bool set,
7689 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007690{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007691 int rc;
7692 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007693
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007694 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007695
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007696 /* Fill general parameters */
7697 ramrod_param.vlan_mac_obj = obj;
7698 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007699
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007700 /* Fill a user request section if needed */
7701 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7702 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007703
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007704 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007705
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007706 /* Set the command: ADD or DEL */
7707 if (set)
7708 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7709 else
7710 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007711 }
7712
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007713 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007714
7715 if (rc == -EEXIST) {
7716 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
7717 /* do not treat adding same MAC as error */
7718 rc = 0;
7719 } else if (rc < 0)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007720 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007721
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007722 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007723}
7724
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007725int bnx2x_del_all_macs(struct bnx2x *bp,
7726 struct bnx2x_vlan_mac_obj *mac_obj,
7727 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007728{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007729 int rc;
7730 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7731
7732 /* Wait for completion of requested */
7733 if (wait_for_comp)
7734 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7735
7736 /* Set the mac type of addresses we want to clear */
7737 __set_bit(mac_type, &vlan_mac_flags);
7738
7739 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7740 if (rc < 0)
7741 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7742
7743 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007744}
7745
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007746int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007747{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007748 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007749
Barak Witkowskia3348722012-04-23 03:04:46 +00007750 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7751 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007752 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7753 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007754 return 0;
7755 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007756
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007757 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007758
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007759 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7760 /* Eth MAC is set on RSS leading client (fp[0]) */
Barak Witkowski15192a82012-06-19 07:48:28 +00007761 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->sp_objs->mac_obj,
7762 set, BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007763}
7764
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007765int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007766{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007767 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007768}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007769
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007770/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007771 * bnx2x_set_int_mode - configure interrupt mode
7772 *
7773 * @bp: driver handle
7774 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007775 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007776 */
Merav Sicron0e8d2ec2012-06-19 07:48:30 +00007777void bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007778{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007779 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007780 case INT_MODE_MSI:
7781 bnx2x_enable_msi(bp);
7782 /* falling through... */
7783 case INT_MODE_INTx:
Merav Sicron55c11942012-11-07 00:45:48 +00007784 bp->num_ethernet_queues = 1;
7785 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
Merav Sicron51c1a582012-03-18 10:33:38 +00007786 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007787 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007788 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007789 /* if we can't use MSI-X we only need one fp,
7790 * so try to enable MSI-X with the requested number of fp's
7791 * and fallback to MSI or legacy INTx with one fp
7792 */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007793 if (bnx2x_enable_msix(bp) ||
7794 bp->flags & USING_SINGLE_MSIX_FLAG) {
7795 /* failed to enable multiple MSI-X */
7796 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
Merav Sicron55c11942012-11-07 00:45:48 +00007797 bp->num_queues,
7798 1 + bp->num_cnic_queues);
Merav Sicron51c1a582012-03-18 10:33:38 +00007799
Merav Sicron55c11942012-11-07 00:45:48 +00007800 bp->num_queues = 1 + bp->num_cnic_queues;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007801
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007802 /* Try to enable MSI */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007803 if (!(bp->flags & USING_SINGLE_MSIX_FLAG) &&
7804 !(bp->flags & DISABLE_MSI_FLAG))
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007805 bnx2x_enable_msi(bp);
7806 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007807 break;
7808 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007809}
7810
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007811/* must be called prioir to any HW initializations */
7812static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7813{
7814 return L2_ILT_LINES(bp);
7815}
7816
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007817void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007818{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007819 struct ilt_client_info *ilt_client;
7820 struct bnx2x_ilt *ilt = BP_ILT(bp);
7821 u16 line = 0;
7822
7823 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7824 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7825
7826 /* CDU */
7827 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7828 ilt_client->client_num = ILT_CLIENT_CDU;
7829 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7830 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7831 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007832 line += bnx2x_cid_ilt_lines(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00007833
7834 if (CNIC_SUPPORT(bp))
7835 line += CNIC_ILT_LINES;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007836 ilt_client->end = line - 1;
7837
Merav Sicron51c1a582012-03-18 10:33:38 +00007838 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 +00007839 ilt_client->start,
7840 ilt_client->end,
7841 ilt_client->page_size,
7842 ilt_client->flags,
7843 ilog2(ilt_client->page_size >> 12));
7844
7845 /* QM */
7846 if (QM_INIT(bp->qm_cid_count)) {
7847 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7848 ilt_client->client_num = ILT_CLIENT_QM;
7849 ilt_client->page_size = QM_ILT_PAGE_SZ;
7850 ilt_client->flags = 0;
7851 ilt_client->start = line;
7852
7853 /* 4 bytes for each cid */
7854 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7855 QM_ILT_PAGE_SZ);
7856
7857 ilt_client->end = line - 1;
7858
Merav Sicron51c1a582012-03-18 10:33:38 +00007859 DP(NETIF_MSG_IFUP,
7860 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007861 ilt_client->start,
7862 ilt_client->end,
7863 ilt_client->page_size,
7864 ilt_client->flags,
7865 ilog2(ilt_client->page_size >> 12));
7866
7867 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007868
Merav Sicron55c11942012-11-07 00:45:48 +00007869 if (CNIC_SUPPORT(bp)) {
7870 /* SRC */
7871 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7872 ilt_client->client_num = ILT_CLIENT_SRC;
7873 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7874 ilt_client->flags = 0;
7875 ilt_client->start = line;
7876 line += SRC_ILT_LINES;
7877 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007878
Merav Sicron55c11942012-11-07 00:45:48 +00007879 DP(NETIF_MSG_IFUP,
7880 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
7881 ilt_client->start,
7882 ilt_client->end,
7883 ilt_client->page_size,
7884 ilt_client->flags,
7885 ilog2(ilt_client->page_size >> 12));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007886
Merav Sicron55c11942012-11-07 00:45:48 +00007887 /* TM */
7888 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7889 ilt_client->client_num = ILT_CLIENT_TM;
7890 ilt_client->page_size = TM_ILT_PAGE_SZ;
7891 ilt_client->flags = 0;
7892 ilt_client->start = line;
7893 line += TM_ILT_LINES;
7894 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007895
Merav Sicron55c11942012-11-07 00:45:48 +00007896 DP(NETIF_MSG_IFUP,
7897 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
7898 ilt_client->start,
7899 ilt_client->end,
7900 ilt_client->page_size,
7901 ilt_client->flags,
7902 ilog2(ilt_client->page_size >> 12));
7903 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007904
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007905 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007906}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007907
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007908/**
7909 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7910 *
7911 * @bp: driver handle
7912 * @fp: pointer to fastpath
7913 * @init_params: pointer to parameters structure
7914 *
7915 * parameters configured:
7916 * - HC configuration
7917 * - Queue's CDU context
7918 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00007919static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007920 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007921{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007922
7923 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00007924 int cxt_index, cxt_offset;
7925
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007926 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7927 if (!IS_FCOE_FP(fp)) {
7928 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7929 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7930
7931 /* If HC is supporterd, enable host coalescing in the transition
7932 * to INIT state.
7933 */
7934 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7935 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7936
7937 /* HC rate */
7938 init_params->rx.hc_rate = bp->rx_ticks ?
7939 (1000000 / bp->rx_ticks) : 0;
7940 init_params->tx.hc_rate = bp->tx_ticks ?
7941 (1000000 / bp->tx_ticks) : 0;
7942
7943 /* FW SB ID */
7944 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7945 fp->fw_sb_id;
7946
7947 /*
7948 * CQ index among the SB indices: FCoE clients uses the default
7949 * SB, therefore it's different.
7950 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007951 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7952 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007953 }
7954
Ariel Elior6383c0b2011-07-14 08:31:57 +00007955 /* set maximum number of COSs supported by this queue */
7956 init_params->max_cos = fp->max_cos;
7957
Merav Sicron51c1a582012-03-18 10:33:38 +00007958 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007959 fp->index, init_params->max_cos);
7960
7961 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00007962 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00007963 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
7964 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00007965 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007966 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00007967 &bp->context[cxt_index].vcxt[cxt_offset].eth;
7968 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007969}
7970
Merav Sicron910cc722012-11-11 03:56:08 +00007971static int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00007972 struct bnx2x_queue_state_params *q_params,
7973 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7974 int tx_index, bool leading)
7975{
7976 memset(tx_only_params, 0, sizeof(*tx_only_params));
7977
7978 /* Set the command */
7979 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7980
7981 /* Set tx-only QUEUE flags: don't zero statistics */
7982 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7983
7984 /* choose the index of the cid to send the slow path on */
7985 tx_only_params->cid_index = tx_index;
7986
7987 /* Set general TX_ONLY_SETUP parameters */
7988 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7989
7990 /* Set Tx TX_ONLY_SETUP parameters */
7991 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7992
Merav Sicron51c1a582012-03-18 10:33:38 +00007993 DP(NETIF_MSG_IFUP,
7994 "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 +00007995 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7996 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7997 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7998
7999 /* send the ramrod */
8000 return bnx2x_queue_state_change(bp, q_params);
8001}
8002
8003
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008004/**
8005 * bnx2x_setup_queue - setup queue
8006 *
8007 * @bp: driver handle
8008 * @fp: pointer to fastpath
8009 * @leading: is leading
8010 *
8011 * This function performs 2 steps in a Queue state machine
8012 * actually: 1) RESET->INIT 2) INIT->SETUP
8013 */
8014
8015int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
8016 bool leading)
8017{
Yuval Mintz3b603062012-03-18 10:33:39 +00008018 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008019 struct bnx2x_queue_setup_params *setup_params =
8020 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008021 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
8022 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008023 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008024 u8 tx_index;
8025
Merav Sicron51c1a582012-03-18 10:33:38 +00008026 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008027
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008028 /* reset IGU state skip FCoE L2 queue */
8029 if (!IS_FCOE_FP(fp))
8030 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008031 IGU_INT_ENABLE, 0);
8032
Barak Witkowski15192a82012-06-19 07:48:28 +00008033 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008034 /* We want to wait for completion in this context */
8035 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008036
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008037 /* Prepare the INIT parameters */
8038 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008039
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008040 /* Set the command */
8041 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008042
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008043 /* Change the state to INIT */
8044 rc = bnx2x_queue_state_change(bp, &q_params);
8045 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00008046 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008047 return rc;
8048 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008049
Merav Sicron51c1a582012-03-18 10:33:38 +00008050 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00008051
8052
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008053 /* Now move the Queue to the SETUP state... */
8054 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008055
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008056 /* Set QUEUE flags */
8057 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008058
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008059 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008060 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
8061 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008062
Ariel Elior6383c0b2011-07-14 08:31:57 +00008063 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008064 &setup_params->rxq_params);
8065
Ariel Elior6383c0b2011-07-14 08:31:57 +00008066 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
8067 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008068
8069 /* Set the command */
8070 q_params.cmd = BNX2X_Q_CMD_SETUP;
8071
Merav Sicron55c11942012-11-07 00:45:48 +00008072 if (IS_FCOE_FP(fp))
8073 bp->fcoe_init = true;
8074
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008075 /* Change the state to SETUP */
8076 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008077 if (rc) {
8078 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
8079 return rc;
8080 }
8081
8082 /* loop through the relevant tx-only indices */
8083 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8084 tx_index < fp->max_cos;
8085 tx_index++) {
8086
8087 /* prepare and send tx-only ramrod*/
8088 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
8089 tx_only_params, tx_index, leading);
8090 if (rc) {
8091 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
8092 fp->index, tx_index);
8093 return rc;
8094 }
8095 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008096
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008097 return rc;
8098}
8099
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008100static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008101{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008102 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008103 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00008104 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00008105 int rc, tx_index;
8106
Merav Sicron51c1a582012-03-18 10:33:38 +00008107 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008108
Barak Witkowski15192a82012-06-19 07:48:28 +00008109 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008110 /* We want to wait for completion in this context */
8111 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008112
Ariel Elior6383c0b2011-07-14 08:31:57 +00008113
8114 /* close tx-only connections */
8115 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8116 tx_index < fp->max_cos;
8117 tx_index++){
8118
8119 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00008120 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008121
Merav Sicron51c1a582012-03-18 10:33:38 +00008122 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008123 txdata->txq_index);
8124
8125 /* send halt terminate on tx-only connection */
8126 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
8127 memset(&q_params.params.terminate, 0,
8128 sizeof(q_params.params.terminate));
8129 q_params.params.terminate.cid_index = tx_index;
8130
8131 rc = bnx2x_queue_state_change(bp, &q_params);
8132 if (rc)
8133 return rc;
8134
8135 /* send halt terminate on tx-only connection */
8136 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
8137 memset(&q_params.params.cfc_del, 0,
8138 sizeof(q_params.params.cfc_del));
8139 q_params.params.cfc_del.cid_index = tx_index;
8140 rc = bnx2x_queue_state_change(bp, &q_params);
8141 if (rc)
8142 return rc;
8143 }
8144 /* Stop the primary connection: */
8145 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008146 q_params.cmd = BNX2X_Q_CMD_HALT;
8147 rc = bnx2x_queue_state_change(bp, &q_params);
8148 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008149 return rc;
8150
Ariel Elior6383c0b2011-07-14 08:31:57 +00008151 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008152 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008153 memset(&q_params.params.terminate, 0,
8154 sizeof(q_params.params.terminate));
8155 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008156 rc = bnx2x_queue_state_change(bp, &q_params);
8157 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008158 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008159 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008160 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008161 memset(&q_params.params.cfc_del, 0,
8162 sizeof(q_params.params.cfc_del));
8163 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008164 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008165}
8166
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008167
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008168static void bnx2x_reset_func(struct bnx2x *bp)
8169{
8170 int port = BP_PORT(bp);
8171 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008172 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008173
8174 /* Disable the function in the FW */
8175 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8176 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8177 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8178 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8179
8180 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008181 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008182 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008183 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008184 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8185 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008186 }
8187
Merav Sicron55c11942012-11-07 00:45:48 +00008188 if (CNIC_LOADED(bp))
8189 /* CNIC SB */
8190 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8191 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET
8192 (bnx2x_cnic_fw_sb_id(bp)), SB_DISABLED);
8193
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008194 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008195 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008196 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8197 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008198
8199 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8200 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8201 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008202
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008203 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008204 if (bp->common.int_block == INT_BLOCK_HC) {
8205 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8206 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8207 } else {
8208 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8209 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8210 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008211
Merav Sicron55c11942012-11-07 00:45:48 +00008212 if (CNIC_LOADED(bp)) {
8213 /* Disable Timer scan */
8214 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8215 /*
8216 * Wait for at least 10ms and up to 2 second for the timers
8217 * scan to complete
8218 */
8219 for (i = 0; i < 200; i++) {
8220 msleep(10);
8221 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8222 break;
8223 }
Michael Chan37b091b2009-10-10 13:46:55 +00008224 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008225 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008226 bnx2x_clear_func_ilt(bp, func);
8227
8228 /* Timers workaround bug for E2: if this is vnic-3,
8229 * we need to set the entire ilt range for this timers.
8230 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008231 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008232 struct ilt_client_info ilt_cli;
8233 /* use dummy TM client */
8234 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8235 ilt_cli.start = 0;
8236 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8237 ilt_cli.client_num = ILT_CLIENT_TM;
8238
8239 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8240 }
8241
8242 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008243 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008244 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008245
8246 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008247}
8248
8249static void bnx2x_reset_port(struct bnx2x *bp)
8250{
8251 int port = BP_PORT(bp);
8252 u32 val;
8253
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008254 /* Reset physical Link */
8255 bnx2x__link_reset(bp);
8256
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008257 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8258
8259 /* Do not rcv packets to BRB */
8260 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8261 /* Do not direct rcv packets that are not for MCP to the BRB */
8262 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8263 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8264
8265 /* Configure AEU */
8266 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8267
8268 msleep(100);
8269 /* Check for BRB port occupancy */
8270 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8271 if (val)
8272 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008273 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008274
8275 /* TODO: Close Doorbell port? */
8276}
8277
Eric Dumazet1191cb82012-04-27 21:39:21 +00008278static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008279{
Yuval Mintz3b603062012-03-18 10:33:39 +00008280 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008281
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008282 /* Prepare parameters for function state transitions */
8283 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008284
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008285 func_params.f_obj = &bp->func_obj;
8286 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008287
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008288 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008289
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008290 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008291}
8292
Eric Dumazet1191cb82012-04-27 21:39:21 +00008293static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008294{
Yuval Mintz3b603062012-03-18 10:33:39 +00008295 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008296 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008297
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008298 /* Prepare parameters for function state transitions */
8299 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8300 func_params.f_obj = &bp->func_obj;
8301 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008302
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008303 /*
8304 * Try to stop the function the 'good way'. If fails (in case
8305 * of a parity error during bnx2x_chip_cleanup()) and we are
8306 * not in a debug mode, perform a state transaction in order to
8307 * enable further HW_RESET transaction.
8308 */
8309 rc = bnx2x_func_state_change(bp, &func_params);
8310 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008311#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008312 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008313#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008314 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008315 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8316 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008317#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008318 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008319
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008320 return 0;
8321}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008322
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008323/**
8324 * bnx2x_send_unload_req - request unload mode from the MCP.
8325 *
8326 * @bp: driver handle
8327 * @unload_mode: requested function's unload mode
8328 *
8329 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8330 */
8331u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8332{
8333 u32 reset_code = 0;
8334 int port = BP_PORT(bp);
8335
8336 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008337 if (unload_mode == UNLOAD_NORMAL)
8338 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008339
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008340 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008341 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008342
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008343 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008344 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008345 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008346 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008347 u16 pmc;
8348
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008349 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008350 * preserve entry 0 which is used by the PMF
8351 */
David S. Miller8decf862011-09-22 03:23:13 -04008352 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008353
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008354 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008355 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008356
8357 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8358 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008359 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008360
David S. Miller88c51002011-10-07 13:38:43 -04008361 /* Enable the PME and clear the status */
8362 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8363 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8364 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8365
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008366 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008367
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008368 } else
8369 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8370
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008371 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008372 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008373 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008374 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008375 int path = BP_PATH(bp);
8376
Merav Sicron51c1a582012-03-18 10:33:38 +00008377 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008378 path, load_count[path][0], load_count[path][1],
8379 load_count[path][2]);
8380 load_count[path][0]--;
8381 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008382 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008383 path, load_count[path][0], load_count[path][1],
8384 load_count[path][2]);
8385 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008386 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008387 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008388 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8389 else
8390 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8391 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008392
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008393 return reset_code;
8394}
8395
8396/**
8397 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8398 *
8399 * @bp: driver handle
Yuval Mintz5d07d862012-09-13 02:56:21 +00008400 * @keep_link: true iff link should be kept up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008401 */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008402void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008403{
Yuval Mintz5d07d862012-09-13 02:56:21 +00008404 u32 reset_param = keep_link ? DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET : 0;
8405
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008406 /* Report UNLOAD_DONE to MCP */
8407 if (!BP_NOMCP(bp))
Yuval Mintz5d07d862012-09-13 02:56:21 +00008408 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, reset_param);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008409}
8410
Eric Dumazet1191cb82012-04-27 21:39:21 +00008411static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008412{
8413 int tout = 50;
8414 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8415
8416 if (!bp->port.pmf)
8417 return 0;
8418
8419 /*
8420 * (assumption: No Attention from MCP at this stage)
8421 * PMF probably in the middle of TXdisable/enable transaction
8422 * 1. Sync IRS for default SB
8423 * 2. Sync SP queue - this guarantes us that attention handling started
8424 * 3. Wait, that TXdisable/enable transaction completes
8425 *
8426 * 1+2 guranty that if DCBx attention was scheduled it already changed
8427 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
8428 * received complettion for the transaction the state is TX_STOPPED.
8429 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8430 * transaction.
8431 */
8432
8433 /* make sure default SB ISR is done */
8434 if (msix)
8435 synchronize_irq(bp->msix_table[0].vector);
8436 else
8437 synchronize_irq(bp->pdev->irq);
8438
8439 flush_workqueue(bnx2x_wq);
8440
8441 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8442 BNX2X_F_STATE_STARTED && tout--)
8443 msleep(20);
8444
8445 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8446 BNX2X_F_STATE_STARTED) {
8447#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008448 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008449 return -EBUSY;
8450#else
8451 /*
8452 * Failed to complete the transaction in a "good way"
8453 * Force both transactions with CLR bit
8454 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008455 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008456
Merav Sicron51c1a582012-03-18 10:33:38 +00008457 DP(NETIF_MSG_IFDOWN,
8458 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008459
8460 func_params.f_obj = &bp->func_obj;
8461 __set_bit(RAMROD_DRV_CLR_ONLY,
8462 &func_params.ramrod_flags);
8463
8464 /* STARTED-->TX_ST0PPED */
8465 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8466 bnx2x_func_state_change(bp, &func_params);
8467
8468 /* TX_ST0PPED-->STARTED */
8469 func_params.cmd = BNX2X_F_CMD_TX_START;
8470 return bnx2x_func_state_change(bp, &func_params);
8471#endif
8472 }
8473
8474 return 0;
8475}
8476
Yuval Mintz5d07d862012-09-13 02:56:21 +00008477void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008478{
8479 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008480 int i, rc = 0;
8481 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008482 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008483 u32 reset_code;
8484
8485 /* Wait until tx fastpath tasks complete */
8486 for_each_tx_queue(bp, i) {
8487 struct bnx2x_fastpath *fp = &bp->fp[i];
8488
Ariel Elior6383c0b2011-07-14 08:31:57 +00008489 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00008490 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008491#ifdef BNX2X_STOP_ON_ERROR
8492 if (rc)
8493 return;
8494#endif
8495 }
8496
8497 /* Give HW time to discard old tx messages */
8498 usleep_range(1000, 1000);
8499
8500 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00008501 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
8502 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008503 if (rc < 0)
8504 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8505
8506 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00008507 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008508 true);
8509 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008510 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8511 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008512
8513 /* Disable LLH */
8514 if (!CHIP_IS_E1(bp))
8515 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8516
8517 /* Set "drop all" (stop Rx).
8518 * We need to take a netif_addr_lock() here in order to prevent
8519 * a race between the completion code and this code.
8520 */
8521 netif_addr_lock_bh(bp->dev);
8522 /* Schedule the rx_mode command */
8523 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8524 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8525 else
8526 bnx2x_set_storm_rx_mode(bp);
8527
8528 /* Cleanup multicast configuration */
8529 rparam.mcast_obj = &bp->mcast_obj;
8530 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8531 if (rc < 0)
8532 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8533
8534 netif_addr_unlock_bh(bp->dev);
8535
8536
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008537
8538 /*
8539 * Send the UNLOAD_REQUEST to the MCP. This will return if
8540 * this function should perform FUNC, PORT or COMMON HW
8541 * reset.
8542 */
8543 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8544
8545 /*
8546 * (assumption: No Attention from MCP at this stage)
8547 * PMF probably in the middle of TXdisable/enable transaction
8548 */
8549 rc = bnx2x_func_wait_started(bp);
8550 if (rc) {
8551 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8552#ifdef BNX2X_STOP_ON_ERROR
8553 return;
8554#endif
8555 }
8556
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008557 /* Close multi and leading connections
8558 * Completions for ramrods are collected in a synchronous way
8559 */
Merav Sicron55c11942012-11-07 00:45:48 +00008560 for_each_eth_queue(bp, i)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008561 if (bnx2x_stop_queue(bp, i))
8562#ifdef BNX2X_STOP_ON_ERROR
8563 return;
8564#else
8565 goto unload_error;
8566#endif
Merav Sicron55c11942012-11-07 00:45:48 +00008567
8568 if (CNIC_LOADED(bp)) {
8569 for_each_cnic_queue(bp, i)
8570 if (bnx2x_stop_queue(bp, i))
8571#ifdef BNX2X_STOP_ON_ERROR
8572 return;
8573#else
8574 goto unload_error;
8575#endif
8576 }
8577
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008578 /* If SP settings didn't get completed so far - something
8579 * very wrong has happen.
8580 */
8581 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8582 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8583
8584#ifndef BNX2X_STOP_ON_ERROR
8585unload_error:
8586#endif
8587 rc = bnx2x_func_stop(bp);
8588 if (rc) {
8589 BNX2X_ERR("Function stop failed!\n");
8590#ifdef BNX2X_STOP_ON_ERROR
8591 return;
8592#endif
8593 }
8594
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008595 /* Disable HW interrupts, NAPI */
8596 bnx2x_netif_stop(bp, 1);
Merav Sicron26614ba2012-08-27 03:26:19 +00008597 /* Delete all NAPI objects */
8598 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00008599 if (CNIC_LOADED(bp))
8600 bnx2x_del_all_napi_cnic(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008601
8602 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008603 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008604
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008605 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008606 rc = bnx2x_reset_hw(bp, reset_code);
8607 if (rc)
8608 BNX2X_ERR("HW_RESET failed\n");
8609
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008610
8611 /* Report UNLOAD_DONE to MCP */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008612 bnx2x_send_unload_done(bp, keep_link);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008613}
8614
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008615void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008616{
8617 u32 val;
8618
Merav Sicron51c1a582012-03-18 10:33:38 +00008619 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008620
8621 if (CHIP_IS_E1(bp)) {
8622 int port = BP_PORT(bp);
8623 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8624 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8625
8626 val = REG_RD(bp, addr);
8627 val &= ~(0x300);
8628 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008629 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008630 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8631 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8632 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8633 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8634 }
8635}
8636
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008637/* Close gates #2, #3 and #4: */
8638static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8639{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008640 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008641
8642 /* Gates #2 and #4a are closed/opened for "not E1" only */
8643 if (!CHIP_IS_E1(bp)) {
8644 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008645 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008646 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008647 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008648 }
8649
8650 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008651 if (CHIP_IS_E1x(bp)) {
8652 /* Prevent interrupts from HC on both ports */
8653 val = REG_RD(bp, HC_REG_CONFIG_1);
8654 REG_WR(bp, HC_REG_CONFIG_1,
8655 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8656 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8657
8658 val = REG_RD(bp, HC_REG_CONFIG_0);
8659 REG_WR(bp, HC_REG_CONFIG_0,
8660 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8661 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8662 } else {
8663 /* Prevent incomming interrupts in IGU */
8664 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8665
8666 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8667 (!close) ?
8668 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8669 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8670 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008671
Merav Sicron51c1a582012-03-18 10:33:38 +00008672 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008673 close ? "closing" : "opening");
8674 mmiowb();
8675}
8676
8677#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8678
8679static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8680{
8681 /* Do some magic... */
8682 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8683 *magic_val = val & SHARED_MF_CLP_MAGIC;
8684 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8685}
8686
Dmitry Kravkove8920672011-05-04 23:52:40 +00008687/**
8688 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008689 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008690 * @bp: driver handle
8691 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008692 */
8693static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8694{
8695 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008696 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8697 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8698 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8699}
8700
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008701/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008702 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008703 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008704 * @bp: driver handle
8705 * @magic_val: old value of 'magic' bit.
8706 *
8707 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008708 */
8709static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8710{
8711 u32 shmem;
8712 u32 validity_offset;
8713
Merav Sicron51c1a582012-03-18 10:33:38 +00008714 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008715
8716 /* Set `magic' bit in order to save MF config */
8717 if (!CHIP_IS_E1(bp))
8718 bnx2x_clp_reset_prep(bp, magic_val);
8719
8720 /* Get shmem offset */
8721 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8722 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8723
8724 /* Clear validity map flags */
8725 if (shmem > 0)
8726 REG_WR(bp, shmem + validity_offset, 0);
8727}
8728
8729#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8730#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8731
Dmitry Kravkove8920672011-05-04 23:52:40 +00008732/**
8733 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008734 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008735 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008736 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008737static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008738{
8739 /* special handling for emulation and FPGA,
8740 wait 10 times longer */
8741 if (CHIP_REV_IS_SLOW(bp))
8742 msleep(MCP_ONE_TIMEOUT*10);
8743 else
8744 msleep(MCP_ONE_TIMEOUT);
8745}
8746
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008747/*
8748 * initializes bp->common.shmem_base and waits for validity signature to appear
8749 */
8750static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008751{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008752 int cnt = 0;
8753 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008754
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008755 do {
8756 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8757 if (bp->common.shmem_base) {
8758 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8759 if (val & SHR_MEM_VALIDITY_MB)
8760 return 0;
8761 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008762
8763 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008764
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008765 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008766
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008767 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008768
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008769 return -ENODEV;
8770}
8771
8772static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8773{
8774 int rc = bnx2x_init_shmem(bp);
8775
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008776 /* Restore the `magic' bit value */
8777 if (!CHIP_IS_E1(bp))
8778 bnx2x_clp_reset_done(bp, magic_val);
8779
8780 return rc;
8781}
8782
8783static void bnx2x_pxp_prep(struct bnx2x *bp)
8784{
8785 if (!CHIP_IS_E1(bp)) {
8786 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8787 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008788 mmiowb();
8789 }
8790}
8791
8792/*
8793 * Reset the whole chip except for:
8794 * - PCIE core
8795 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8796 * one reset bit)
8797 * - IGU
8798 * - MISC (including AEU)
8799 * - GRC
8800 * - RBCN, RBCP
8801 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008802static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008803{
8804 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008805 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008806
8807 /*
8808 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8809 * (per chip) blocks.
8810 */
8811 global_bits2 =
8812 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8813 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008814
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008815 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008816 not_reset_mask1 =
8817 MISC_REGISTERS_RESET_REG_1_RST_HC |
8818 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8819 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8820
8821 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008822 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008823 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8824 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8825 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8826 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8827 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8828 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008829 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8830 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8831 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008832
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008833 /*
8834 * Keep the following blocks in reset:
8835 * - all xxMACs are handled by the bnx2x_link code.
8836 */
8837 stay_reset2 =
8838 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8839 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8840 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8841 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8842 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8843 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8844 MISC_REGISTERS_RESET_REG_2_XMAC |
8845 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8846
8847 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008848 reset_mask1 = 0xffffffff;
8849
8850 if (CHIP_IS_E1(bp))
8851 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008852 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008853 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008854 else if (CHIP_IS_E2(bp))
8855 reset_mask2 = 0xfffff;
8856 else /* CHIP_IS_E3 */
8857 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008858
8859 /* Don't reset global blocks unless we need to */
8860 if (!global)
8861 reset_mask2 &= ~global_bits2;
8862
8863 /*
8864 * In case of attention in the QM, we need to reset PXP
8865 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8866 * because otherwise QM reset would release 'close the gates' shortly
8867 * before resetting the PXP, then the PSWRQ would send a write
8868 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8869 * read the payload data from PSWWR, but PSWWR would not
8870 * respond. The write queue in PGLUE would stuck, dmae commands
8871 * would not return. Therefore it's important to reset the second
8872 * reset register (containing the
8873 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8874 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8875 * bit).
8876 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008877 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8878 reset_mask2 & (~not_reset_mask2));
8879
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008880 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8881 reset_mask1 & (~not_reset_mask1));
8882
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008883 barrier();
8884 mmiowb();
8885
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008886 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8887 reset_mask2 & (~stay_reset2));
8888
8889 barrier();
8890 mmiowb();
8891
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008892 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008893 mmiowb();
8894}
8895
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008896/**
8897 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8898 * It should get cleared in no more than 1s.
8899 *
8900 * @bp: driver handle
8901 *
8902 * It should get cleared in no more than 1s. Returns 0 if
8903 * pending writes bit gets cleared.
8904 */
8905static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8906{
8907 u32 cnt = 1000;
8908 u32 pend_bits = 0;
8909
8910 do {
8911 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8912
8913 if (pend_bits == 0)
8914 break;
8915
8916 usleep_range(1000, 1000);
8917 } while (cnt-- > 0);
8918
8919 if (cnt <= 0) {
8920 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8921 pend_bits);
8922 return -EBUSY;
8923 }
8924
8925 return 0;
8926}
8927
8928static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008929{
8930 int cnt = 1000;
8931 u32 val = 0;
8932 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8933
8934
8935 /* Empty the Tetris buffer, wait for 1s */
8936 do {
8937 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8938 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8939 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8940 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8941 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8942 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8943 ((port_is_idle_0 & 0x1) == 0x1) &&
8944 ((port_is_idle_1 & 0x1) == 0x1) &&
8945 (pgl_exp_rom2 == 0xffffffff))
8946 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008947 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008948 } while (cnt-- > 0);
8949
8950 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008951 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
8952 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 +00008953 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8954 pgl_exp_rom2);
8955 return -EAGAIN;
8956 }
8957
8958 barrier();
8959
8960 /* Close gates #2, #3 and #4 */
8961 bnx2x_set_234_gates(bp, true);
8962
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008963 /* Poll for IGU VQs for 57712 and newer chips */
8964 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8965 return -EAGAIN;
8966
8967
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008968 /* TBD: Indicate that "process kill" is in progress to MCP */
8969
8970 /* Clear "unprepared" bit */
8971 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8972 barrier();
8973
8974 /* Make sure all is written to the chip before the reset */
8975 mmiowb();
8976
8977 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8978 * PSWHST, GRC and PSWRD Tetris buffer.
8979 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008980 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008981
8982 /* Prepare to chip reset: */
8983 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008984 if (global)
8985 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008986
8987 /* PXP */
8988 bnx2x_pxp_prep(bp);
8989 barrier();
8990
8991 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008992 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008993 barrier();
8994
8995 /* Recover after reset: */
8996 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008997 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008998 return -EAGAIN;
8999
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009000 /* TBD: Add resetting the NO_MCP mode DB here */
9001
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009002 /* PXP */
9003 bnx2x_pxp_prep(bp);
9004
9005 /* Open the gates #2, #3 and #4 */
9006 bnx2x_set_234_gates(bp, false);
9007
9008 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
9009 * reset state, re-enable attentions. */
9010
9011 return 0;
9012}
9013
Merav Sicron910cc722012-11-11 03:56:08 +00009014static int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009015{
9016 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009017 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009018 u32 load_code;
9019
9020 /* if not going to reset MCP - load "fake" driver to reset HW while
9021 * driver is owner of the HW
9022 */
9023 if (!global && !BP_NOMCP(bp)) {
Yuval Mintz5d07d862012-09-13 02:56:21 +00009024 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
9025 DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009026 if (!load_code) {
9027 BNX2X_ERR("MCP response failure, aborting\n");
9028 rc = -EAGAIN;
9029 goto exit_leader_reset;
9030 }
9031 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
9032 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
9033 BNX2X_ERR("MCP unexpected resp, aborting\n");
9034 rc = -EAGAIN;
9035 goto exit_leader_reset2;
9036 }
9037 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
9038 if (!load_code) {
9039 BNX2X_ERR("MCP response failure, aborting\n");
9040 rc = -EAGAIN;
9041 goto exit_leader_reset2;
9042 }
9043 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009044
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009045 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009046 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009047 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
9048 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009049 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009050 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009051 }
9052
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009053 /*
9054 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
9055 * state.
9056 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009057 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009058 if (global)
9059 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009060
Ariel Elior95c6c6162012-01-26 06:01:52 +00009061exit_leader_reset2:
9062 /* unload "fake driver" if it was loaded */
9063 if (!global && !BP_NOMCP(bp)) {
9064 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
9065 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9066 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009067exit_leader_reset:
9068 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009069 bnx2x_release_leader_lock(bp);
9070 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009071 return rc;
9072}
9073
Eric Dumazet1191cb82012-04-27 21:39:21 +00009074static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009075{
9076 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
9077
9078 /* Disconnect this device */
9079 netif_device_detach(bp->dev);
9080
9081 /*
9082 * Block ifup for all function on this engine until "process kill"
9083 * or power cycle.
9084 */
9085 bnx2x_set_reset_in_progress(bp);
9086
9087 /* Shut down the power */
9088 bnx2x_set_power_state(bp, PCI_D3hot);
9089
9090 bp->recovery_state = BNX2X_RECOVERY_FAILED;
9091
9092 smp_mb();
9093}
9094
9095/*
9096 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00009097 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009098 * will never be called when netif_running(bp->dev) is false.
9099 */
9100static void bnx2x_parity_recover(struct bnx2x *bp)
9101{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009102 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00009103 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009104 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009105
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009106 DP(NETIF_MSG_HW, "Handling parity\n");
9107 while (1) {
9108 switch (bp->recovery_state) {
9109 case BNX2X_RECOVERY_INIT:
9110 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009111 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
9112 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009113
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009114 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009115 if (bnx2x_trylock_leader_lock(bp)) {
9116 bnx2x_set_reset_in_progress(bp);
9117 /*
9118 * Check if there is a global attention and if
9119 * there was a global attention, set the global
9120 * reset bit.
9121 */
9122
9123 if (global)
9124 bnx2x_set_reset_global(bp);
9125
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009126 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009127 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009128
9129 /* Stop the driver */
9130 /* If interface has been removed - break */
Yuval Mintz5d07d862012-09-13 02:56:21 +00009131 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY, false))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009132 return;
9133
9134 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009135
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009136 /* Ensure "is_leader", MCP command sequence and
9137 * "recovery_state" update values are seen on other
9138 * CPUs.
9139 */
9140 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009141 break;
9142
9143 case BNX2X_RECOVERY_WAIT:
9144 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
9145 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009146 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00009147 bool other_load_status =
9148 bnx2x_get_load_status(bp, other_engine);
9149 bool load_status =
9150 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009151 global = bnx2x_reset_is_global(bp);
9152
9153 /*
9154 * In case of a parity in a global block, let
9155 * the first leader that performs a
9156 * leader_reset() reset the global blocks in
9157 * order to clear global attentions. Otherwise
9158 * the the gates will remain closed for that
9159 * engine.
9160 */
Ariel Elior889b9af2012-01-26 06:01:51 +00009161 if (load_status ||
9162 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009163 /* Wait until all other functions get
9164 * down.
9165 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009166 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009167 HZ/10);
9168 return;
9169 } else {
9170 /* If all other functions got down -
9171 * try to bring the chip back to
9172 * normal. In any case it's an exit
9173 * point for a leader.
9174 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009175 if (bnx2x_leader_reset(bp)) {
9176 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009177 return;
9178 }
9179
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009180 /* If we are here, means that the
9181 * leader has succeeded and doesn't
9182 * want to be a leader any more. Try
9183 * to continue as a none-leader.
9184 */
9185 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009186 }
9187 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009188 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009189 /* Try to get a LEADER_LOCK HW lock as
9190 * long as a former leader may have
9191 * been unloaded by the user or
9192 * released a leadership by another
9193 * reason.
9194 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009195 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009196 /* I'm a leader now! Restart a
9197 * switch case.
9198 */
9199 bp->is_leader = 1;
9200 break;
9201 }
9202
Ariel Elior7be08a72011-07-14 08:31:19 +00009203 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009204 HZ/10);
9205 return;
9206
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009207 } else {
9208 /*
9209 * If there was a global attention, wait
9210 * for it to be cleared.
9211 */
9212 if (bnx2x_reset_is_global(bp)) {
9213 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009214 &bp->sp_rtnl_task,
9215 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009216 return;
9217 }
9218
Ariel Elior7a752992012-01-26 06:01:53 +00009219 error_recovered =
9220 bp->eth_stats.recoverable_error;
9221 error_unrecovered =
9222 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009223 bp->recovery_state =
9224 BNX2X_RECOVERY_NIC_LOADING;
9225 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009226 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009227 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009228 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009229 /* Disconnect this device */
9230 netif_device_detach(bp->dev);
9231 /* Shut down the power */
9232 bnx2x_set_power_state(
9233 bp, PCI_D3hot);
9234 smp_mb();
9235 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009236 bp->recovery_state =
9237 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009238 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009239 smp_mb();
9240 }
Ariel Elior7a752992012-01-26 06:01:53 +00009241 bp->eth_stats.recoverable_error =
9242 error_recovered;
9243 bp->eth_stats.unrecoverable_error =
9244 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009245
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009246 return;
9247 }
9248 }
9249 default:
9250 return;
9251 }
9252 }
9253}
9254
Michal Schmidt56ad3152012-02-16 02:38:48 +00009255static int bnx2x_close(struct net_device *dev);
9256
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009257/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9258 * scheduled on a general queue in order to prevent a dead lock.
9259 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009260static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009261{
Ariel Elior7be08a72011-07-14 08:31:19 +00009262 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009263
9264 rtnl_lock();
9265
9266 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00009267 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009268
Ariel Elior7be08a72011-07-14 08:31:19 +00009269 /* if stop on error is defined no recovery flows should be executed */
9270#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009271 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 +00009272 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009273 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009274#endif
9275
9276 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9277 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009278 * Clear all pending SP commands as we are going to reset the
9279 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009280 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009281 bp->sp_rtnl_state = 0;
9282 smp_mb();
9283
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009284 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009285
9286 goto sp_rtnl_exit;
9287 }
9288
9289 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9290 /*
9291 * Clear all pending SP commands as we are going to reset the
9292 * function anyway.
9293 */
9294 bp->sp_rtnl_state = 0;
9295 smp_mb();
9296
Yuval Mintz5d07d862012-09-13 02:56:21 +00009297 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009298 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009299
9300 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009301 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009302#ifdef BNX2X_STOP_ON_ERROR
9303sp_rtnl_not_reset:
9304#endif
9305 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9306 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009307 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9308 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009309 /*
9310 * in case of fan failure we need to reset id if the "stop on error"
9311 * debug flag is set, since we trying to prevent permanent overheating
9312 * damage
9313 */
9314 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009315 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009316 netif_device_detach(bp->dev);
9317 bnx2x_close(bp->dev);
9318 }
9319
Ariel Elior7be08a72011-07-14 08:31:19 +00009320sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009321 rtnl_unlock();
9322}
9323
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009324/* end of nic load/unload */
9325
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009326static void bnx2x_period_task(struct work_struct *work)
9327{
9328 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9329
9330 if (!netif_running(bp->dev))
9331 goto period_task_exit;
9332
9333 if (CHIP_REV_IS_SLOW(bp)) {
9334 BNX2X_ERR("period task called on emulation, ignoring\n");
9335 goto period_task_exit;
9336 }
9337
9338 bnx2x_acquire_phy_lock(bp);
9339 /*
9340 * The barrier is needed to ensure the ordering between the writing to
9341 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9342 * the reading here.
9343 */
9344 smp_mb();
9345 if (bp->port.pmf) {
9346 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9347
9348 /* Re-queue task in 1 sec */
9349 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9350 }
9351
9352 bnx2x_release_phy_lock(bp);
9353period_task_exit:
9354 return;
9355}
9356
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009357/*
9358 * Init service functions
9359 */
9360
stephen hemminger8d962862010-10-21 07:50:56 +00009361static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009362{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009363 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9364 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9365 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009366}
9367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009368static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009369{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009370 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009371
9372 /* Flush all outstanding writes */
9373 mmiowb();
9374
9375 /* Pretend to be function 0 */
9376 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009377 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009378
9379 /* From now we are in the "like-E1" mode */
9380 bnx2x_int_disable(bp);
9381
9382 /* Flush all outstanding writes */
9383 mmiowb();
9384
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009385 /* Restore the original function */
9386 REG_WR(bp, reg, BP_ABS_FUNC(bp));
9387 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009388}
9389
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009390static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009391{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009392 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009393 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009394 else
9395 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009396}
9397
Yuval Mintz452427b2012-03-26 20:47:07 +00009398static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009399{
Yuval Mintz452427b2012-03-26 20:47:07 +00009400 u32 val, base_addr, offset, mask, reset_reg;
9401 bool mac_stopped = false;
9402 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009403
Yuval Mintz452427b2012-03-26 20:47:07 +00009404 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009405
Yuval Mintz452427b2012-03-26 20:47:07 +00009406 if (!CHIP_IS_E3(bp)) {
9407 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9408 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9409 if ((mask & reset_reg) && val) {
9410 u32 wb_data[2];
9411 BNX2X_DEV_INFO("Disable bmac Rx\n");
9412 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9413 : NIG_REG_INGRESS_BMAC0_MEM;
9414 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9415 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009416
Yuval Mintz452427b2012-03-26 20:47:07 +00009417 /*
9418 * use rd/wr since we cannot use dmae. This is safe
9419 * since MCP won't access the bus due to the request
9420 * to unload, and no function on the path can be
9421 * loaded at this time.
9422 */
9423 wb_data[0] = REG_RD(bp, base_addr + offset);
9424 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
9425 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
9426 REG_WR(bp, base_addr + offset, wb_data[0]);
9427 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009428
Yuval Mintz452427b2012-03-26 20:47:07 +00009429 }
9430 BNX2X_DEV_INFO("Disable emac Rx\n");
9431 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00009432
Yuval Mintz452427b2012-03-26 20:47:07 +00009433 mac_stopped = true;
9434 } else {
9435 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9436 BNX2X_DEV_INFO("Disable xmac Rx\n");
9437 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9438 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9439 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9440 val & ~(1 << 1));
9441 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9442 val | (1 << 1));
9443 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
9444 mac_stopped = true;
9445 }
9446 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9447 if (mask & reset_reg) {
9448 BNX2X_DEV_INFO("Disable umac Rx\n");
9449 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
9450 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
9451 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009452 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009453 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009454
Yuval Mintz452427b2012-03-26 20:47:07 +00009455 if (mac_stopped)
9456 msleep(20);
9457
9458}
9459
9460#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9461#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9462#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9463#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9464
9465static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port,
9466 u8 inc)
9467{
9468 u16 rcq, bd;
9469 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9470
9471 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9472 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9473
9474 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9475 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9476
9477 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9478 port, bd, rcq);
9479}
9480
9481static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp)
9482{
Yuval Mintz5d07d862012-09-13 02:56:21 +00009483 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE,
9484 DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET);
Yuval Mintz452427b2012-03-26 20:47:07 +00009485 if (!rc) {
9486 BNX2X_ERR("MCP response failure, aborting\n");
9487 return -EBUSY;
9488 }
9489
9490 return 0;
9491}
9492
9493static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp)
9494{
9495 struct bnx2x_prev_path_list *tmp_list;
9496 int rc = false;
9497
9498 if (down_trylock(&bnx2x_prev_sem))
9499 return false;
9500
9501 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9502 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9503 bp->pdev->bus->number == tmp_list->bus &&
9504 BP_PATH(bp) == tmp_list->path) {
9505 rc = true;
9506 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9507 BP_PATH(bp));
9508 break;
9509 }
9510 }
9511
9512 up(&bnx2x_prev_sem);
9513
9514 return rc;
9515}
9516
9517static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
9518{
9519 struct bnx2x_prev_path_list *tmp_list;
9520 int rc;
9521
Devendra Nagaea4b3852012-07-29 03:19:23 +00009522 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +00009523 if (!tmp_list) {
9524 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9525 return -ENOMEM;
9526 }
9527
9528 tmp_list->bus = bp->pdev->bus->number;
9529 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9530 tmp_list->path = BP_PATH(bp);
9531
9532 rc = down_interruptible(&bnx2x_prev_sem);
9533 if (rc) {
9534 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9535 kfree(tmp_list);
9536 } else {
9537 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9538 BP_PATH(bp));
9539 list_add(&tmp_list->list, &bnx2x_prev_list);
9540 up(&bnx2x_prev_sem);
9541 }
9542
9543 return rc;
9544}
9545
Yuval Mintz452427b2012-03-26 20:47:07 +00009546static int __devinit bnx2x_do_flr(struct bnx2x *bp)
9547{
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009548 int i;
Yuval Mintz452427b2012-03-26 20:47:07 +00009549 u16 status;
9550 struct pci_dev *dev = bp->pdev;
9551
Yuval Mintz8eee6942012-08-09 04:37:25 +00009552
9553 if (CHIP_IS_E1x(bp)) {
9554 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
9555 return -EINVAL;
9556 }
9557
9558 /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
9559 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9560 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9561 bp->common.bc_ver);
9562 return -EINVAL;
9563 }
Yuval Mintz452427b2012-03-26 20:47:07 +00009564
Yuval Mintz452427b2012-03-26 20:47:07 +00009565 /* Wait for Transaction Pending bit clean */
9566 for (i = 0; i < 4; i++) {
9567 if (i)
9568 msleep((1 << (i - 1)) * 100);
9569
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009570 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Yuval Mintz452427b2012-03-26 20:47:07 +00009571 if (!(status & PCI_EXP_DEVSTA_TRPND))
9572 goto clear;
9573 }
9574
9575 dev_err(&dev->dev,
9576 "transaction is not cleared; proceeding with reset anyway\n");
9577
9578clear:
Yuval Mintz452427b2012-03-26 20:47:07 +00009579
Yuval Mintz8eee6942012-08-09 04:37:25 +00009580 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009581 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9582
9583 return 0;
9584}
9585
9586static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9587{
9588 int rc;
9589
9590 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9591
9592 /* Test if previous unload process was already finished for this path */
9593 if (bnx2x_prev_is_path_marked(bp))
9594 return bnx2x_prev_mcp_done(bp);
9595
9596 /* If function has FLR capabilities, and existing FW version matches
9597 * the one required, then FLR will be sufficient to clean any residue
9598 * left by previous driver
9599 */
Yuval Mintz8eee6942012-08-09 04:37:25 +00009600 rc = bnx2x_test_firmware_version(bp, false);
9601
9602 if (!rc) {
9603 /* fw version is good */
9604 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
9605 rc = bnx2x_do_flr(bp);
9606 }
9607
9608 if (!rc) {
9609 /* FLR was performed */
9610 BNX2X_DEV_INFO("FLR successful\n");
9611 return 0;
9612 }
9613
9614 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009615
9616 /* Close the MCP request, return failure*/
9617 rc = bnx2x_prev_mcp_done(bp);
9618 if (!rc)
9619 rc = BNX2X_PREV_WAIT_NEEDED;
9620
9621 return rc;
9622}
9623
9624static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9625{
9626 u32 reset_reg, tmp_reg = 0, rc;
9627 /* It is possible a previous function received 'common' answer,
9628 * but hasn't loaded yet, therefore creating a scenario of
9629 * multiple functions receiving 'common' on the same path.
9630 */
9631 BNX2X_DEV_INFO("Common unload Flow\n");
9632
9633 if (bnx2x_prev_is_path_marked(bp))
9634 return bnx2x_prev_mcp_done(bp);
9635
9636 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9637
9638 /* Reset should be performed after BRB is emptied */
9639 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9640 u32 timer_count = 1000;
9641 bool prev_undi = false;
9642
9643 /* Close the MAC Rx to prevent BRB from filling up */
9644 bnx2x_prev_unload_close_mac(bp);
9645
9646 /* Check if the UNDI driver was previously loaded
9647 * UNDI driver initializes CID offset for normal bell to 0x7
9648 */
9649 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9650 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9651 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9652 if (tmp_reg == 0x7) {
9653 BNX2X_DEV_INFO("UNDI previously loaded\n");
9654 prev_undi = true;
9655 /* clear the UNDI indication */
9656 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9657 }
9658 }
9659 /* wait until BRB is empty */
9660 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9661 while (timer_count) {
9662 u32 prev_brb = tmp_reg;
9663
9664 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9665 if (!tmp_reg)
9666 break;
9667
9668 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9669
9670 /* reset timer as long as BRB actually gets emptied */
9671 if (prev_brb > tmp_reg)
9672 timer_count = 1000;
9673 else
9674 timer_count--;
9675
9676 /* If UNDI resides in memory, manually increment it */
9677 if (prev_undi)
9678 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9679
9680 udelay(10);
9681 }
9682
9683 if (!timer_count)
9684 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9685
9686 }
9687
9688 /* No packets are in the pipeline, path is ready for reset */
9689 bnx2x_reset_common(bp);
9690
9691 rc = bnx2x_prev_mark_path(bp);
9692 if (rc) {
9693 bnx2x_prev_mcp_done(bp);
9694 return rc;
9695 }
9696
9697 return bnx2x_prev_mcp_done(bp);
9698}
9699
Ariel Elior24f06712012-05-06 07:05:57 +00009700/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9701 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9702 * the addresses of the transaction, resulting in was-error bit set in the pci
9703 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9704 * to clear the interrupt which detected this from the pglueb and the was done
9705 * bit
9706 */
9707static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9708{
9709 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9710 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9711 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9712 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
9713 }
9714}
9715
Yuval Mintz452427b2012-03-26 20:47:07 +00009716static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9717{
9718 int time_counter = 10;
9719 u32 rc, fw, hw_lock_reg, hw_lock_val;
9720 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9721
Ariel Elior24f06712012-05-06 07:05:57 +00009722 /* clear hw from errors which may have resulted from an interrupted
9723 * dmae transaction.
9724 */
9725 bnx2x_prev_interrupted_dmae(bp);
9726
9727 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009728 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9729 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9730 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9731
9732 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9733 if (hw_lock_val) {
9734 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9735 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9736 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9737 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9738 }
9739
9740 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9741 REG_WR(bp, hw_lock_reg, 0xffffffff);
9742 } else
9743 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9744
9745 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9746 BNX2X_DEV_INFO("Release previously held alr\n");
9747 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9748 }
9749
9750
9751 do {
9752 /* Lock MCP using an unload request */
9753 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9754 if (!fw) {
9755 BNX2X_ERR("MCP response failure, aborting\n");
9756 rc = -EBUSY;
9757 break;
9758 }
9759
9760 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9761 rc = bnx2x_prev_unload_common(bp);
9762 break;
9763 }
9764
9765 /* non-common reply from MCP night require looping */
9766 rc = bnx2x_prev_unload_uncommon(bp);
9767 if (rc != BNX2X_PREV_WAIT_NEEDED)
9768 break;
9769
9770 msleep(20);
9771 } while (--time_counter);
9772
9773 if (!time_counter || rc) {
9774 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9775 rc = -EBUSY;
9776 }
9777
9778 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9779
9780 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009781}
9782
9783static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9784{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009785 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009786 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009787
9788 /* Get the chip revision id and number. */
9789 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9790 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9791 id = ((val & 0xffff) << 16);
9792 val = REG_RD(bp, MISC_REG_CHIP_REV);
9793 id |= ((val & 0xf) << 12);
9794 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9795 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009796 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009797 id |= (val & 0xf);
9798 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009799
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009800 /* force 57811 according to MISC register */
9801 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9802 if (CHIP_IS_57810(bp))
9803 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9804 (bp->common.chip_id & 0x0000FFFF);
9805 else if (CHIP_IS_57810_MF(bp))
9806 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9807 (bp->common.chip_id & 0x0000FFFF);
9808 bp->common.chip_id |= 0x1;
9809 }
9810
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009811 /* Set doorbell size */
9812 bp->db_size = (1 << BNX2X_DB_SHIFT);
9813
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009814 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009815 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9816 if ((val & 1) == 0)
9817 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9818 else
9819 val = (val >> 1) & 1;
9820 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9821 "2_PORT_MODE");
9822 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9823 CHIP_2_PORT_MODE;
9824
9825 if (CHIP_MODE_IS_4_PORT(bp))
9826 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9827 else
9828 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9829 } else {
9830 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9831 bp->pfid = bp->pf_num; /* 0..7 */
9832 }
9833
Merav Sicron51c1a582012-03-18 10:33:38 +00009834 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9835
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009836 bp->link_params.chip_id = bp->common.chip_id;
9837 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009838
Eilon Greenstein1c063282009-02-12 08:36:43 +00009839 val = (REG_RD(bp, 0x2874) & 0x55);
9840 if ((bp->common.chip_id & 0x1) ||
9841 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9842 bp->flags |= ONE_PORT_FLAG;
9843 BNX2X_DEV_INFO("single port device\n");
9844 }
9845
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009846 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009847 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009848 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9849 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9850 bp->common.flash_size, bp->common.flash_size);
9851
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009852 bnx2x_init_shmem(bp);
9853
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009854
9855
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009856 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9857 MISC_REG_GENERIC_CR_1 :
9858 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009859
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009860 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009861 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009862 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9863 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009864
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009865 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009866 BNX2X_DEV_INFO("MCP not active\n");
9867 bp->flags |= NO_MCP_FLAG;
9868 return;
9869 }
9870
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009871 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009872 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009873
9874 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9875 SHARED_HW_CFG_LED_MODE_MASK) >>
9876 SHARED_HW_CFG_LED_MODE_SHIFT);
9877
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009878 bp->link_params.feature_config_flags = 0;
9879 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9880 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9881 bp->link_params.feature_config_flags |=
9882 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9883 else
9884 bp->link_params.feature_config_flags &=
9885 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9886
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009887 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9888 bp->common.bc_ver = val;
9889 BNX2X_DEV_INFO("bc_ver %X\n", val);
9890 if (val < BNX2X_BC_VER) {
9891 /* for now only warn
9892 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009893 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9894 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009895 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009896 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009897 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009898 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9899
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009900 bp->link_params.feature_config_flags |=
9901 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9902 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +00009903 bp->link_params.feature_config_flags |=
9904 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
9905 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009906 bp->link_params.feature_config_flags |=
9907 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9908 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009909 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9910 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009911
Barak Witkowski2e499d32012-06-26 01:31:19 +00009912 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
9913 BC_SUPPORTS_FCOE_FEATURES : 0;
9914
Barak Witkowski98768792012-06-19 07:48:31 +00009915 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
9916 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +00009917 boot_mode = SHMEM_RD(bp,
9918 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9919 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9920 switch (boot_mode) {
9921 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9922 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9923 break;
9924 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9925 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9926 break;
9927 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9928 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9929 break;
9930 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9931 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9932 break;
9933 }
9934
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009935 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9936 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9937
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009938 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009939 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009940
9941 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9942 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9943 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9944 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9945
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009946 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9947 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009948}
9949
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009950#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9951#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9952
9953static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9954{
9955 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009956 int igu_sb_id;
9957 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009958 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009959
9960 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009961 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009962 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009963 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009964 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9965 FP_SB_MAX_E1x;
9966
9967 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9968 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9969
9970 return;
9971 }
9972
9973 /* IGU in normal mode - read CAM */
9974 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9975 igu_sb_id++) {
9976 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9977 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9978 continue;
9979 fid = IGU_FID(val);
9980 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9981 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9982 continue;
9983 if (IGU_VEC(val) == 0)
9984 /* default status block */
9985 bp->igu_dsb_id = igu_sb_id;
9986 else {
9987 if (bp->igu_base_sb == 0xff)
9988 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009989 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009990 }
9991 }
9992 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009993
Ariel Elior6383c0b2011-07-14 08:31:57 +00009994#ifdef CONFIG_PCI_MSI
Ariel Elior185d4c82012-09-20 05:26:41 +00009995 /* Due to new PF resource allocation by MFW T7.4 and above, it's
9996 * optional that number of CAM entries will not be equal to the value
9997 * advertised in PCI.
9998 * Driver should use the minimal value of both as the actual status
9999 * block count
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010000 */
Ariel Elior185d4c82012-09-20 05:26:41 +000010001 bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010002#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010003
Ariel Elior6383c0b2011-07-14 08:31:57 +000010004 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010005 BNX2X_ERR("CAM configuration error\n");
10006}
10007
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010008static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
10009 u32 switch_cfg)
10010{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010011 int cfg_size = 0, idx, port = BP_PORT(bp);
10012
10013 /* Aggregation of supported attributes of all external phys */
10014 bp->port.supported[0] = 0;
10015 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010016 switch (bp->link_params.num_phys) {
10017 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010018 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
10019 cfg_size = 1;
10020 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010021 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010022 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
10023 cfg_size = 1;
10024 break;
10025 case 3:
10026 if (bp->link_params.multi_phy_config &
10027 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
10028 bp->port.supported[1] =
10029 bp->link_params.phy[EXT_PHY1].supported;
10030 bp->port.supported[0] =
10031 bp->link_params.phy[EXT_PHY2].supported;
10032 } else {
10033 bp->port.supported[0] =
10034 bp->link_params.phy[EXT_PHY1].supported;
10035 bp->port.supported[1] =
10036 bp->link_params.phy[EXT_PHY2].supported;
10037 }
10038 cfg_size = 2;
10039 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010040 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010041
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010042 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010043 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010044 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010045 dev_info.port_hw_config[port].external_phy_config),
10046 SHMEM_RD(bp,
10047 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010048 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010049 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010050
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010051 if (CHIP_IS_E3(bp))
10052 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
10053 else {
10054 switch (switch_cfg) {
10055 case SWITCH_CFG_1G:
10056 bp->port.phy_addr = REG_RD(
10057 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
10058 break;
10059 case SWITCH_CFG_10G:
10060 bp->port.phy_addr = REG_RD(
10061 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
10062 break;
10063 default:
10064 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
10065 bp->port.link_config[0]);
10066 return;
10067 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010068 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010069 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010070 /* mask what we support according to speed_cap_mask per configuration */
10071 for (idx = 0; idx < cfg_size; idx++) {
10072 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010073 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010074 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010075
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010076 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010077 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010078 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010079
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010080 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010081 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010082 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010083
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010084 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010085 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010086 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010087
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010088 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010089 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010090 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010091 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010092
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010093 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010094 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010095 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010096
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010097 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010098 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010099 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010100
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010101 }
10102
10103 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
10104 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010105}
10106
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010107static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010108{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010109 u32 link_config, idx, cfg_size = 0;
10110 bp->port.advertising[0] = 0;
10111 bp->port.advertising[1] = 0;
10112 switch (bp->link_params.num_phys) {
10113 case 1:
10114 case 2:
10115 cfg_size = 1;
10116 break;
10117 case 3:
10118 cfg_size = 2;
10119 break;
10120 }
10121 for (idx = 0; idx < cfg_size; idx++) {
10122 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
10123 link_config = bp->port.link_config[idx];
10124 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010125 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010126 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
10127 bp->link_params.req_line_speed[idx] =
10128 SPEED_AUTO_NEG;
10129 bp->port.advertising[idx] |=
10130 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +000010131 if (bp->link_params.phy[EXT_PHY1].type ==
10132 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10133 bp->port.advertising[idx] |=
10134 (SUPPORTED_100baseT_Half |
10135 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010136 } else {
10137 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010138 bp->link_params.req_line_speed[idx] =
10139 SPEED_10000;
10140 bp->port.advertising[idx] |=
10141 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010142 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010143 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010144 }
10145 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010146
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010147 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010148 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
10149 bp->link_params.req_line_speed[idx] =
10150 SPEED_10;
10151 bp->port.advertising[idx] |=
10152 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010153 ADVERTISED_TP);
10154 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010155 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010156 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010157 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010158 return;
10159 }
10160 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010161
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010162 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010163 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
10164 bp->link_params.req_line_speed[idx] =
10165 SPEED_10;
10166 bp->link_params.req_duplex[idx] =
10167 DUPLEX_HALF;
10168 bp->port.advertising[idx] |=
10169 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010170 ADVERTISED_TP);
10171 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010172 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010173 link_config,
10174 bp->link_params.speed_cap_mask[idx]);
10175 return;
10176 }
10177 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010178
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010179 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10180 if (bp->port.supported[idx] &
10181 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010182 bp->link_params.req_line_speed[idx] =
10183 SPEED_100;
10184 bp->port.advertising[idx] |=
10185 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010186 ADVERTISED_TP);
10187 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010188 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010189 link_config,
10190 bp->link_params.speed_cap_mask[idx]);
10191 return;
10192 }
10193 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010194
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010195 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10196 if (bp->port.supported[idx] &
10197 SUPPORTED_100baseT_Half) {
10198 bp->link_params.req_line_speed[idx] =
10199 SPEED_100;
10200 bp->link_params.req_duplex[idx] =
10201 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010202 bp->port.advertising[idx] |=
10203 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010204 ADVERTISED_TP);
10205 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010206 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010207 link_config,
10208 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010209 return;
10210 }
10211 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010212
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010213 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010214 if (bp->port.supported[idx] &
10215 SUPPORTED_1000baseT_Full) {
10216 bp->link_params.req_line_speed[idx] =
10217 SPEED_1000;
10218 bp->port.advertising[idx] |=
10219 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010220 ADVERTISED_TP);
10221 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010222 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010223 link_config,
10224 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010225 return;
10226 }
10227 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010228
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010229 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010230 if (bp->port.supported[idx] &
10231 SUPPORTED_2500baseX_Full) {
10232 bp->link_params.req_line_speed[idx] =
10233 SPEED_2500;
10234 bp->port.advertising[idx] |=
10235 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010236 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010237 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010238 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010239 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010240 bp->link_params.speed_cap_mask[idx]);
10241 return;
10242 }
10243 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010244
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010245 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010246 if (bp->port.supported[idx] &
10247 SUPPORTED_10000baseT_Full) {
10248 bp->link_params.req_line_speed[idx] =
10249 SPEED_10000;
10250 bp->port.advertising[idx] |=
10251 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010252 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010253 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010254 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010255 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010256 bp->link_params.speed_cap_mask[idx]);
10257 return;
10258 }
10259 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010260 case PORT_FEATURE_LINK_SPEED_20G:
10261 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010262
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010263 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010264 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010265 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010266 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010267 bp->link_params.req_line_speed[idx] =
10268 SPEED_AUTO_NEG;
10269 bp->port.advertising[idx] =
10270 bp->port.supported[idx];
10271 break;
10272 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010273
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010274 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010275 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010276 if ((bp->link_params.req_flow_ctrl[idx] ==
10277 BNX2X_FLOW_CTRL_AUTO) &&
10278 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
10279 bp->link_params.req_flow_ctrl[idx] =
10280 BNX2X_FLOW_CTRL_NONE;
10281 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010282
Merav Sicron51c1a582012-03-18 10:33:38 +000010283 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 +000010284 bp->link_params.req_line_speed[idx],
10285 bp->link_params.req_duplex[idx],
10286 bp->link_params.req_flow_ctrl[idx],
10287 bp->port.advertising[idx]);
10288 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010289}
10290
Michael Chane665bfd2009-10-10 13:46:54 +000010291static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
10292{
10293 mac_hi = cpu_to_be16(mac_hi);
10294 mac_lo = cpu_to_be32(mac_lo);
10295 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10296 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10297}
10298
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010299static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010300{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010301 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010302 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010303 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010304
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010305 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010306 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010307
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010308 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010309 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010310
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010311 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010312 SHMEM_RD(bp,
10313 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010314 bp->link_params.speed_cap_mask[1] =
10315 SHMEM_RD(bp,
10316 dev_info.port_hw_config[port].speed_capability_mask2);
10317 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010318 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10319
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010320 bp->port.link_config[1] =
10321 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010322
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010323 bp->link_params.multi_phy_config =
10324 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010325 /* If the device is capable of WoL, set the default state according
10326 * to the HW
10327 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010328 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010329 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10330 (config & PORT_FEATURE_WOL_ENABLED));
10331
Merav Sicron51c1a582012-03-18 10:33:38 +000010332 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010333 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010334 bp->link_params.speed_cap_mask[0],
10335 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010336
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010337 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010338 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010339 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010340 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010341
10342 bnx2x_link_settings_requested(bp);
10343
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010344 /*
10345 * If connected directly, work with the internal PHY, otherwise, work
10346 * with the external PHY
10347 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010348 ext_phy_config =
10349 SHMEM_RD(bp,
10350 dev_info.port_hw_config[port].external_phy_config);
10351 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010352 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010353 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010354
10355 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10356 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10357 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010358 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010359
10360 /*
10361 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
10362 * In MF mode, it is set to cover self test cases
10363 */
10364 if (IS_MF(bp))
10365 bp->port.need_hw_lock = 1;
10366 else
10367 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
10368 bp->common.shmem_base,
10369 bp->common.shmem2_base);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010370
10371 /* Configure link feature according to nvram value */
10372 eee_mode = (((SHMEM_RD(bp, dev_info.
10373 port_feature_config[port].eee_power_mode)) &
10374 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10375 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10376 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10377 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10378 EEE_MODE_ENABLE_LPI |
10379 EEE_MODE_OUTPUT_TIME;
10380 } else {
10381 bp->link_params.eee_mode = 0;
10382 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010383}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010384
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010385void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010386{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010387 u32 no_flags = NO_ISCSI_FLAG;
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010388 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010389 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010390 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010391
Merav Sicron55c11942012-11-07 00:45:48 +000010392 if (!CNIC_SUPPORT(bp)) {
10393 bp->flags |= no_flags;
10394 return;
10395 }
10396
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010397 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010398 bp->cnic_eth_dev.max_iscsi_conn =
10399 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10400 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10401
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010402 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10403 bp->cnic_eth_dev.max_iscsi_conn);
10404
10405 /*
10406 * If maximum allowed number of connections is zero -
10407 * disable the feature.
10408 */
10409 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010410 bp->flags |= no_flags;
Merav Sicron55c11942012-11-07 00:45:48 +000010411
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010412}
10413
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010414static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
10415{
10416 /* Port info */
10417 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10418 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10419 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10420 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10421
10422 /* Node info */
10423 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10424 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10425 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10426 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10427}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010428static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
10429{
10430 int port = BP_PORT(bp);
10431 int func = BP_ABS_FUNC(bp);
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010432 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10433 drv_lic_key[port].max_fcoe_conn);
10434
Merav Sicron55c11942012-11-07 00:45:48 +000010435 if (!CNIC_SUPPORT(bp)) {
10436 bp->flags |= NO_FCOE_FLAG;
10437 return;
10438 }
10439
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010440 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010441 bp->cnic_eth_dev.max_fcoe_conn =
10442 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10443 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10444
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010445 /* Read the WWN: */
10446 if (!IS_MF(bp)) {
10447 /* Port info */
10448 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10449 SHMEM_RD(bp,
10450 dev_info.port_hw_config[port].
10451 fcoe_wwn_port_name_upper);
10452 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10453 SHMEM_RD(bp,
10454 dev_info.port_hw_config[port].
10455 fcoe_wwn_port_name_lower);
10456
10457 /* Node info */
10458 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10459 SHMEM_RD(bp,
10460 dev_info.port_hw_config[port].
10461 fcoe_wwn_node_name_upper);
10462 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10463 SHMEM_RD(bp,
10464 dev_info.port_hw_config[port].
10465 fcoe_wwn_node_name_lower);
10466 } else if (!IS_MF_SD(bp)) {
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010467 /*
10468 * Read the WWN info only if the FCoE feature is enabled for
10469 * this function.
10470 */
Yuval Mintz7b5342d2012-09-11 04:34:14 +000010471 if (BNX2X_MF_EXT_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp))
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010472 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010473
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010474 } else if (IS_MF_FCOE_SD(bp))
10475 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010476
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010477 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010478
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010479 /*
10480 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010481 * disable the feature.
10482 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010483 if (!bp->cnic_eth_dev.max_fcoe_conn)
10484 bp->flags |= NO_FCOE_FLAG;
10485}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010486
10487static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
10488{
10489 /*
10490 * iSCSI may be dynamically disabled but reading
10491 * info here we will decrease memory usage by driver
10492 * if the feature is disabled for good
10493 */
10494 bnx2x_get_iscsi_info(bp);
10495 bnx2x_get_fcoe_info(bp);
10496}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010497
Merav Sicron55c11942012-11-07 00:45:48 +000010498static void __devinit bnx2x_get_cnic_mac_hwinfo(struct bnx2x *bp)
10499{
10500 u32 val, val2;
10501 int func = BP_ABS_FUNC(bp);
10502 int port = BP_PORT(bp);
10503 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10504 u8 *fip_mac = bp->fip_mac;
10505
10506 if (IS_MF(bp)) {
10507 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
10508 * FCoE MAC then the appropriate feature should be disabled.
10509 * In non SD mode features configuration comes from struct
10510 * func_ext_config.
10511 */
10512 if (!IS_MF_SD(bp) && !CHIP_IS_E1x(bp)) {
10513 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10514 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10515 val2 = MF_CFG_RD(bp, func_ext_config[func].
10516 iscsi_mac_addr_upper);
10517 val = MF_CFG_RD(bp, func_ext_config[func].
10518 iscsi_mac_addr_lower);
10519 bnx2x_set_mac_buf(iscsi_mac, val, val2);
10520 BNX2X_DEV_INFO
10521 ("Read iSCSI MAC: %pM\n", iscsi_mac);
10522 } else {
10523 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10524 }
10525
10526 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10527 val2 = MF_CFG_RD(bp, func_ext_config[func].
10528 fcoe_mac_addr_upper);
10529 val = MF_CFG_RD(bp, func_ext_config[func].
10530 fcoe_mac_addr_lower);
10531 bnx2x_set_mac_buf(fip_mac, val, val2);
10532 BNX2X_DEV_INFO
10533 ("Read FCoE L2 MAC: %pM\n", fip_mac);
10534 } else {
10535 bp->flags |= NO_FCOE_FLAG;
10536 }
10537
10538 bp->mf_ext_config = cfg;
10539
10540 } else { /* SD MODE */
10541 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10542 /* use primary mac as iscsi mac */
10543 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
10544
10545 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10546 BNX2X_DEV_INFO
10547 ("Read iSCSI MAC: %pM\n", iscsi_mac);
10548 } else if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
10549 /* use primary mac as fip mac */
10550 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
10551 BNX2X_DEV_INFO("SD FCoE MODE\n");
10552 BNX2X_DEV_INFO
10553 ("Read FIP MAC: %pM\n", fip_mac);
10554 }
10555 }
10556
10557 if (IS_MF_STORAGE_SD(bp))
10558 /* Zero primary MAC configuration */
10559 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10560
10561 if (IS_MF_FCOE_AFEX(bp))
10562 /* use FIP MAC as primary MAC */
10563 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10564
10565 } else {
10566 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10567 iscsi_mac_upper);
10568 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10569 iscsi_mac_lower);
10570 bnx2x_set_mac_buf(iscsi_mac, val, val2);
10571
10572 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10573 fcoe_fip_mac_upper);
10574 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10575 fcoe_fip_mac_lower);
10576 bnx2x_set_mac_buf(fip_mac, val, val2);
10577 }
10578
10579 /* Disable iSCSI OOO if MAC configuration is invalid. */
10580 if (!is_valid_ether_addr(iscsi_mac)) {
10581 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10582 memset(iscsi_mac, 0, ETH_ALEN);
10583 }
10584
10585 /* Disable FCoE if MAC configuration is invalid. */
10586 if (!is_valid_ether_addr(fip_mac)) {
10587 bp->flags |= NO_FCOE_FLAG;
10588 memset(bp->fip_mac, 0, ETH_ALEN);
10589 }
10590}
10591
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010592static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
10593{
10594 u32 val, val2;
10595 int func = BP_ABS_FUNC(bp);
10596 int port = BP_PORT(bp);
10597
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010598 /* Zero primary MAC configuration */
10599 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10600
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010601 if (BP_NOMCP(bp)) {
10602 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010603 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010604 } else if (IS_MF(bp)) {
10605 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10606 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10607 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10608 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10609 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10610
Merav Sicron55c11942012-11-07 00:45:48 +000010611 if (CNIC_SUPPORT(bp))
10612 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010613 } else {
10614 /* in SF read MACs from port configuration */
10615 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10616 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10617 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10618
Merav Sicron55c11942012-11-07 00:45:48 +000010619 if (CNIC_SUPPORT(bp))
10620 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010621 }
10622
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010623 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10624 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010625
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010626 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010627 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010628 "bad Ethernet MAC address configuration: %pM\n"
10629 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010630 bp->dev->dev_addr);
Merav Sicron51c1a582012-03-18 10:33:38 +000010631
10632
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010633}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010634
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010635static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10636{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010637 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010638 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010639 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010640 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010641
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010642 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010643
Ariel Elior6383c0b2011-07-14 08:31:57 +000010644 /*
10645 * initialize IGU parameters
10646 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010647 if (CHIP_IS_E1x(bp)) {
10648 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010649
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010650 bp->igu_dsb_id = DEF_SB_IGU_ID;
10651 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010652 } else {
10653 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010654
10655 /* do not allow device reset during IGU info preocessing */
10656 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10657
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010658 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010659
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010660 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010661 int tout = 5000;
10662
10663 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10664
10665 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10666 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10667 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10668
10669 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10670 tout--;
10671 usleep_range(1000, 1000);
10672 }
10673
10674 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10675 dev_err(&bp->pdev->dev,
10676 "FORCING Normal Mode failed!!!\n");
10677 return -EPERM;
10678 }
10679 }
10680
10681 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10682 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010683 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10684 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010685 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010686
10687 bnx2x_get_igu_cam_info(bp);
10688
David S. Miller8decf862011-09-22 03:23:13 -040010689 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010690 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010691
10692 /*
10693 * set base FW non-default (fast path) status block id, this value is
10694 * used to initialize the fw_sb_id saved on the fp/queue structure to
10695 * determine the id used by the FW.
10696 */
10697 if (CHIP_IS_E1x(bp))
10698 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10699 else /*
10700 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10701 * the same queue are indicated on the same IGU SB). So we prefer
10702 * FW and IGU SBs to be the same value.
10703 */
10704 bp->base_fw_ndsb = bp->igu_base_sb;
10705
10706 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10707 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10708 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010709
10710 /*
10711 * Initialize MF configuration
10712 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010713
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010714 bp->mf_ov = 0;
10715 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010716 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010717
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010718 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010719 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10720 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10721 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10722
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010723 if (SHMEM2_HAS(bp, mf_cfg_addr))
10724 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10725 else
10726 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010727 offsetof(struct shmem_region, func_mb) +
10728 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010729 /*
10730 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010731 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010732 * 2. MAC address must be legal (check only upper bytes)
10733 * for Switch-Independent mode;
10734 * OVLAN must be legal for Switch-Dependent mode
10735 * 3. SF_MODE configures specific MF mode
10736 */
10737 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10738 /* get mf configuration */
10739 val = SHMEM_RD(bp,
10740 dev_info.shared_feature_config.config);
10741 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010742
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010743 switch (val) {
10744 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10745 val = MF_CFG_RD(bp, func_mf_config[func].
10746 mac_upper);
10747 /* check for legal mac (upper bytes)*/
10748 if (val != 0xffff) {
10749 bp->mf_mode = MULTI_FUNCTION_SI;
10750 bp->mf_config[vn] = MF_CFG_RD(bp,
10751 func_mf_config[func].config);
10752 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010753 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010754 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010755 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10756 if ((!CHIP_IS_E1x(bp)) &&
10757 (MF_CFG_RD(bp, func_mf_config[func].
10758 mac_upper) != 0xffff) &&
10759 (SHMEM2_HAS(bp,
10760 afex_driver_support))) {
10761 bp->mf_mode = MULTI_FUNCTION_AFEX;
10762 bp->mf_config[vn] = MF_CFG_RD(bp,
10763 func_mf_config[func].config);
10764 } else {
10765 BNX2X_DEV_INFO("can not configure afex mode\n");
10766 }
10767 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010768 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10769 /* get OV configuration */
10770 val = MF_CFG_RD(bp,
10771 func_mf_config[FUNC_0].e1hov_tag);
10772 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10773
10774 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10775 bp->mf_mode = MULTI_FUNCTION_SD;
10776 bp->mf_config[vn] = MF_CFG_RD(bp,
10777 func_mf_config[func].config);
10778 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010779 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010780 break;
10781 default:
10782 /* Unknown configuration: reset mf_config */
10783 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010784 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010785 }
10786 }
10787
Eilon Greenstein2691d512009-08-12 08:22:08 +000010788 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010789 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010790
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010791 switch (bp->mf_mode) {
10792 case MULTI_FUNCTION_SD:
10793 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10794 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010795 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010796 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010797 bp->path_has_ovlan = true;
10798
Merav Sicron51c1a582012-03-18 10:33:38 +000010799 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10800 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010801 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010802 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010803 "No valid MF OV for func %d, aborting\n",
10804 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010805 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010806 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010807 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010808 case MULTI_FUNCTION_AFEX:
10809 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10810 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010811 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010812 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10813 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010814 break;
10815 default:
10816 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010817 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010818 "VN %d is in a single function mode, aborting\n",
10819 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010820 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010821 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010822 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010823 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010824
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010825 /* check if other port on the path needs ovlan:
10826 * Since MF configuration is shared between ports
10827 * Possible mixed modes are only
10828 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10829 */
10830 if (CHIP_MODE_IS_4_PORT(bp) &&
10831 !bp->path_has_ovlan &&
10832 !IS_MF(bp) &&
10833 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10834 u8 other_port = !BP_PORT(bp);
10835 u8 other_func = BP_PATH(bp) + 2*other_port;
10836 val = MF_CFG_RD(bp,
10837 func_mf_config[other_func].e1hov_tag);
10838 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10839 bp->path_has_ovlan = true;
10840 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010841 }
10842
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010843 /* adjust igu_sb_cnt to MF for E1x */
10844 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010845 bp->igu_sb_cnt /= E1HVN_MAX;
10846
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010847 /* port info */
10848 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010849
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010850 /* Get MAC addresses */
10851 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010852
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010853 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010854
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010855 return rc;
10856}
10857
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010858static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10859{
10860 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010861 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010862 char str_id_reg[VENDOR_ID_LEN+1];
10863 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010864 char *vpd_data;
10865 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010866 u8 len;
10867
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010868 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010869 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10870
10871 if (cnt < BNX2X_VPD_LEN)
10872 goto out_not_found;
10873
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010874 /* VPD RO tag should be first tag after identifier string, hence
10875 * we should be able to find it in first BNX2X_VPD_LEN chars
10876 */
10877 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010878 PCI_VPD_LRDT_RO_DATA);
10879 if (i < 0)
10880 goto out_not_found;
10881
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010882 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010883 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010884
10885 i += PCI_VPD_LRDT_TAG_SIZE;
10886
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010887 if (block_end > BNX2X_VPD_LEN) {
10888 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10889 if (vpd_extended_data == NULL)
10890 goto out_not_found;
10891
10892 /* read rest of vpd image into vpd_extended_data */
10893 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10894 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10895 block_end - BNX2X_VPD_LEN,
10896 vpd_extended_data + BNX2X_VPD_LEN);
10897 if (cnt < (block_end - BNX2X_VPD_LEN))
10898 goto out_not_found;
10899 vpd_data = vpd_extended_data;
10900 } else
10901 vpd_data = vpd_start;
10902
10903 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010904
10905 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10906 PCI_VPD_RO_KEYWORD_MFR_ID);
10907 if (rodi < 0)
10908 goto out_not_found;
10909
10910 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10911
10912 if (len != VENDOR_ID_LEN)
10913 goto out_not_found;
10914
10915 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10916
10917 /* vendor specific info */
10918 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10919 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10920 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10921 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10922
10923 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10924 PCI_VPD_RO_KEYWORD_VENDOR0);
10925 if (rodi >= 0) {
10926 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10927
10928 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10929
10930 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10931 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10932 bp->fw_ver[len] = ' ';
10933 }
10934 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010935 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010936 return;
10937 }
10938out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010939 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010940 return;
10941}
10942
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010943static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10944{
10945 u32 flags = 0;
10946
10947 if (CHIP_REV_IS_FPGA(bp))
10948 SET_FLAGS(flags, MODE_FPGA);
10949 else if (CHIP_REV_IS_EMUL(bp))
10950 SET_FLAGS(flags, MODE_EMUL);
10951 else
10952 SET_FLAGS(flags, MODE_ASIC);
10953
10954 if (CHIP_MODE_IS_4_PORT(bp))
10955 SET_FLAGS(flags, MODE_PORT4);
10956 else
10957 SET_FLAGS(flags, MODE_PORT2);
10958
10959 if (CHIP_IS_E2(bp))
10960 SET_FLAGS(flags, MODE_E2);
10961 else if (CHIP_IS_E3(bp)) {
10962 SET_FLAGS(flags, MODE_E3);
10963 if (CHIP_REV(bp) == CHIP_REV_Ax)
10964 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010965 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10966 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010967 }
10968
10969 if (IS_MF(bp)) {
10970 SET_FLAGS(flags, MODE_MF);
10971 switch (bp->mf_mode) {
10972 case MULTI_FUNCTION_SD:
10973 SET_FLAGS(flags, MODE_MF_SD);
10974 break;
10975 case MULTI_FUNCTION_SI:
10976 SET_FLAGS(flags, MODE_MF_SI);
10977 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010978 case MULTI_FUNCTION_AFEX:
10979 SET_FLAGS(flags, MODE_MF_AFEX);
10980 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010981 }
10982 } else
10983 SET_FLAGS(flags, MODE_SF);
10984
10985#if defined(__LITTLE_ENDIAN)
10986 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10987#else /*(__BIG_ENDIAN)*/
10988 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10989#endif
10990 INIT_MODE_FLAGS(bp) = flags;
10991}
10992
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010993static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10994{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010995 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010996 int rc;
10997
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010998 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010999 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070011000 spin_lock_init(&bp->stats_lock);
Merav Sicron55c11942012-11-07 00:45:48 +000011001
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011002
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011003 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000011004 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011005 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011006 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011007 if (rc)
11008 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011009
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011010 bnx2x_set_modes_bitmap(bp);
11011
11012 rc = bnx2x_alloc_mem_bp(bp);
11013 if (rc)
11014 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011015
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011016 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011017
11018 func = BP_FUNC(bp);
11019
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011020 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000011021 if (!BP_NOMCP(bp)) {
11022 /* init fw_seq */
11023 bp->fw_seq =
11024 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
11025 DRV_MSG_SEQ_NUMBER_MASK;
11026 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
11027
11028 bnx2x_prev_unload(bp);
11029 }
11030
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011031
11032 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011033 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011034
11035 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000011036 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011037
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011038 bp->disable_tpa = disable_tpa;
Barak Witkowskia3348722012-04-23 03:04:46 +000011039 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011040
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011041 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011042 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011043 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011044 bp->dev->features &= ~NETIF_F_LRO;
11045 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011046 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011047 bp->dev->features |= NETIF_F_LRO;
11048 }
11049
Eilon Greensteina18f5122009-08-12 08:23:26 +000011050 if (CHIP_IS_E1(bp))
11051 bp->dropless_fc = 0;
11052 else
11053 bp->dropless_fc = dropless_fc;
11054
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000011055 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011056
Barak Witkowskia3348722012-04-23 03:04:46 +000011057 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011058
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000011059 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011060 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
11061 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011062
Michal Schmidtfc543632012-02-14 09:05:46 +000011063 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011064
11065 init_timer(&bp->timer);
11066 bp->timer.expires = jiffies + bp->current_interval;
11067 bp->timer.data = (unsigned long) bp;
11068 bp->timer.function = bnx2x_timer;
11069
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011070 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000011071 bnx2x_dcbx_init_params(bp);
11072
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011073 if (CHIP_IS_E1x(bp))
11074 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
11075 else
11076 bp->cnic_base_cl_id = FP_SB_MAX_E2;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011077
Ariel Elior6383c0b2011-07-14 08:31:57 +000011078 /* multiple tx priority */
11079 if (CHIP_IS_E1x(bp))
11080 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
11081 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
11082 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
11083 if (CHIP_IS_E3B0(bp))
11084 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
11085
Merav Sicron55c11942012-11-07 00:45:48 +000011086 /* We need at least one default status block for slow-path events,
11087 * second status block for the L2 queue, and a third status block for
11088 * CNIC if supproted.
11089 */
11090 if (CNIC_SUPPORT(bp))
11091 bp->min_msix_vec_cnt = 3;
11092 else
11093 bp->min_msix_vec_cnt = 2;
11094 BNX2X_DEV_INFO("bp->min_msix_vec_cnt %d", bp->min_msix_vec_cnt);
11095
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011096 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011097}
11098
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011099
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011100/****************************************************************************
11101* General service functions
11102****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011103
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011104/*
11105 * net_device service functions
11106 */
11107
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011108/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011109static int bnx2x_open(struct net_device *dev)
11110{
11111 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011112 bool global = false;
11113 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000011114 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011115
Mintz Yuval1355b702012-02-15 02:10:22 +000011116 bp->stats_init = true;
11117
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000011118 netif_carrier_off(dev);
11119
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011120 bnx2x_set_power_state(bp, PCI_D0);
11121
Ariel Elior889b9af2012-01-26 06:01:51 +000011122 other_load_status = bnx2x_get_load_status(bp, other_engine);
11123 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011124
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011125 /*
11126 * If parity had happen during the unload, then attentions
11127 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
11128 * want the first function loaded on the current engine to
11129 * complete the recovery.
11130 */
11131 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
11132 bnx2x_chk_parity_attn(bp, &global, true))
11133 do {
11134 /*
11135 * If there are attentions and they are in a global
11136 * blocks, set the GLOBAL_RESET bit regardless whether
11137 * it will be this function that will complete the
11138 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011139 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011140 if (global)
11141 bnx2x_set_reset_global(bp);
11142
11143 /*
11144 * Only the first function on the current engine should
11145 * try to recover in open. In case of attentions in
11146 * global blocks only the first in the chip should try
11147 * to recover.
11148 */
Ariel Elior889b9af2012-01-26 06:01:51 +000011149 if ((!load_status &&
11150 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011151 bnx2x_trylock_leader_lock(bp) &&
11152 !bnx2x_leader_reset(bp)) {
11153 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011154 break;
11155 }
11156
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011157 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011158 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011159 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011160
Merav Sicron51c1a582012-03-18 10:33:38 +000011161 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
11162 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011163
11164 return -EAGAIN;
11165 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011166
11167 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011168 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011169}
11170
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011171/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000011172static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011173{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011174 struct bnx2x *bp = netdev_priv(dev);
11175
11176 /* Unload the driver, release IRQs */
Yuval Mintz5d07d862012-09-13 02:56:21 +000011177 bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011178
11179 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011180 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011181
11182 return 0;
11183}
11184
Eric Dumazet1191cb82012-04-27 21:39:21 +000011185static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11186 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011187{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011188 int mc_count = netdev_mc_count(bp->dev);
11189 struct bnx2x_mcast_list_elem *mc_mac =
11190 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011191 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011192
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011193 if (!mc_mac)
11194 return -ENOMEM;
11195
11196 INIT_LIST_HEAD(&p->mcast_list);
11197
11198 netdev_for_each_mc_addr(ha, bp->dev) {
11199 mc_mac->mac = bnx2x_mc_addr(ha);
11200 list_add_tail(&mc_mac->link, &p->mcast_list);
11201 mc_mac++;
11202 }
11203
11204 p->mcast_list_len = mc_count;
11205
11206 return 0;
11207}
11208
Eric Dumazet1191cb82012-04-27 21:39:21 +000011209static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011210 struct bnx2x_mcast_ramrod_params *p)
11211{
11212 struct bnx2x_mcast_list_elem *mc_mac =
11213 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11214 link);
11215
11216 WARN_ON(!mc_mac);
11217 kfree(mc_mac);
11218}
11219
11220/**
11221 * bnx2x_set_uc_list - configure a new unicast MACs list.
11222 *
11223 * @bp: driver handle
11224 *
11225 * We will use zero (0) as a MAC type for these MACs.
11226 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011227static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011228{
11229 int rc;
11230 struct net_device *dev = bp->dev;
11231 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011232 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011233 unsigned long ramrod_flags = 0;
11234
11235 /* First schedule a cleanup up of old configuration */
11236 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11237 if (rc < 0) {
11238 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11239 return rc;
11240 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011241
11242 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011243 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11244 BNX2X_UC_LIST_MAC, &ramrod_flags);
Yuval Mintz7b5342d2012-09-11 04:34:14 +000011245 if (rc == -EEXIST) {
11246 DP(BNX2X_MSG_SP,
11247 "Failed to schedule ADD operations: %d\n", rc);
11248 /* do not treat adding same MAC as error */
11249 rc = 0;
11250
11251 } else if (rc < 0) {
11252
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011253 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11254 rc);
11255 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011256 }
11257 }
11258
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011259 /* Execute the pending commands */
11260 __set_bit(RAMROD_CONT, &ramrod_flags);
11261 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11262 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011263}
11264
Eric Dumazet1191cb82012-04-27 21:39:21 +000011265static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011266{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011267 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011268 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011269 int rc = 0;
11270
11271 rparam.mcast_obj = &bp->mcast_obj;
11272
11273 /* first, clear all configured multicast MACs */
11274 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11275 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011276 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011277 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011278 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011279
11280 /* then, configure a new MACs list */
11281 if (netdev_mc_count(dev)) {
11282 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11283 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011284 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11285 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011286 return rc;
11287 }
11288
11289 /* Now add the new MACs */
11290 rc = bnx2x_config_mcast(bp, &rparam,
11291 BNX2X_MCAST_CMD_ADD);
11292 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011293 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11294 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011295
11296 bnx2x_free_mcast_macs_list(&rparam);
11297 }
11298
11299 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011300}
11301
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011302
11303/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011304void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011305{
11306 struct bnx2x *bp = netdev_priv(dev);
11307 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011308
11309 if (bp->state != BNX2X_STATE_OPEN) {
11310 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11311 return;
11312 }
11313
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011314 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011315
11316 if (dev->flags & IFF_PROMISC)
11317 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011318 else if ((dev->flags & IFF_ALLMULTI) ||
11319 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11320 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011321 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011322 else {
11323 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011324 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011325 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011326
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011327 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011328 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011329 }
11330
11331 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011332 /* handle ISCSI SD mode */
11333 if (IS_MF_ISCSI_SD(bp))
11334 bp->rx_mode = BNX2X_RX_MODE_NONE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011335
11336 /* Schedule the rx_mode command */
11337 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11338 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11339 return;
11340 }
11341
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011342 bnx2x_set_storm_rx_mode(bp);
11343}
11344
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011345/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011346static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11347 int devad, u16 addr)
11348{
11349 struct bnx2x *bp = netdev_priv(netdev);
11350 u16 value;
11351 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011352
11353 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11354 prtad, devad, addr);
11355
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011356 /* The HW expects different devad if CL22 is used */
11357 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11358
11359 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011360 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011361 bnx2x_release_phy_lock(bp);
11362 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11363
11364 if (!rc)
11365 rc = value;
11366 return rc;
11367}
11368
11369/* called with rtnl_lock */
11370static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11371 u16 addr, u16 value)
11372{
11373 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011374 int rc;
11375
Merav Sicron51c1a582012-03-18 10:33:38 +000011376 DP(NETIF_MSG_LINK,
11377 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11378 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011379
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011380 /* The HW expects different devad if CL22 is used */
11381 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11382
11383 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011384 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011385 bnx2x_release_phy_lock(bp);
11386 return rc;
11387}
11388
11389/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011390static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11391{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011392 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011393 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011394
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011395 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11396 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011397
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011398 if (!netif_running(dev))
11399 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011400
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011401 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011402}
11403
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011404#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011405static void poll_bnx2x(struct net_device *dev)
11406{
11407 struct bnx2x *bp = netdev_priv(dev);
Merav Sicron14a15d62012-08-27 03:26:20 +000011408 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011409
Merav Sicron14a15d62012-08-27 03:26:20 +000011410 for_each_eth_queue(bp, i) {
11411 struct bnx2x_fastpath *fp = &bp->fp[i];
11412 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
11413 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011414}
11415#endif
11416
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011417static int bnx2x_validate_addr(struct net_device *dev)
11418{
11419 struct bnx2x *bp = netdev_priv(dev);
11420
Merav Sicron51c1a582012-03-18 10:33:38 +000011421 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11422 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011423 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011424 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011425 return 0;
11426}
11427
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011428static const struct net_device_ops bnx2x_netdev_ops = {
11429 .ndo_open = bnx2x_open,
11430 .ndo_stop = bnx2x_close,
11431 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011432 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011433 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011434 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011435 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011436 .ndo_do_ioctl = bnx2x_ioctl,
11437 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011438 .ndo_fix_features = bnx2x_fix_features,
11439 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011440 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011441#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011442 .ndo_poll_controller = poll_bnx2x,
11443#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011444 .ndo_setup_tc = bnx2x_setup_tc,
11445
Merav Sicron55c11942012-11-07 00:45:48 +000011446#ifdef NETDEV_FCOE_WWNN
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011447 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11448#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011449};
11450
Eric Dumazet1191cb82012-04-27 21:39:21 +000011451static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011452{
11453 struct device *dev = &bp->pdev->dev;
11454
11455 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11456 bp->flags |= USING_DAC_FLAG;
11457 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011458 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011459 return -EIO;
11460 }
11461 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11462 dev_err(dev, "System does not support DMA, aborting\n");
11463 return -EIO;
11464 }
11465
11466 return 0;
11467}
11468
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011469static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011470 struct net_device *dev,
11471 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011472{
11473 struct bnx2x *bp;
11474 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011475 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011476 bool chip_is_e1x = (board_type == BCM57710 ||
11477 board_type == BCM57711 ||
11478 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011479
11480 SET_NETDEV_DEV(dev, &pdev->dev);
11481 bp = netdev_priv(dev);
11482
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011483 bp->dev = dev;
11484 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011485 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011486
11487 rc = pci_enable_device(pdev);
11488 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011489 dev_err(&bp->pdev->dev,
11490 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011491 goto err_out;
11492 }
11493
11494 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011495 dev_err(&bp->pdev->dev,
11496 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011497 rc = -ENODEV;
11498 goto err_out_disable;
11499 }
11500
11501 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011502 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
11503 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011504 rc = -ENODEV;
11505 goto err_out_disable;
11506 }
11507
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011508 if (atomic_read(&pdev->enable_cnt) == 1) {
11509 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11510 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011511 dev_err(&bp->pdev->dev,
11512 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011513 goto err_out_disable;
11514 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011515
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011516 pci_set_master(pdev);
11517 pci_save_state(pdev);
11518 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011519
11520 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11521 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011522 dev_err(&bp->pdev->dev,
11523 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011524 rc = -EIO;
11525 goto err_out_release;
11526 }
11527
Jon Mason77c98e62011-06-27 07:45:12 +000011528 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011529 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011530 rc = -EIO;
11531 goto err_out_release;
11532 }
11533
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011534 rc = bnx2x_set_coherency_mask(bp);
11535 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011536 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011537
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011538 dev->mem_start = pci_resource_start(pdev, 0);
11539 dev->base_addr = dev->mem_start;
11540 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011541
11542 dev->irq = pdev->irq;
11543
Arjan van de Ven275f1652008-10-20 21:42:39 -070011544 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011545 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011546 dev_err(&bp->pdev->dev,
11547 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011548 rc = -ENOMEM;
11549 goto err_out_release;
11550 }
11551
Ariel Eliorc22610d02012-01-26 06:01:47 +000011552 /* In E1/E1H use pci device function given by kernel.
11553 * In E2/E3 read physical function from ME register since these chips
11554 * support Physical Device Assignment where kernel BDF maybe arbitrary
11555 * (depending on hypervisor).
11556 */
11557 if (chip_is_e1x)
11558 bp->pf_num = PCI_FUNC(pdev->devfn);
11559 else {/* chip is E2/3*/
11560 pci_read_config_dword(bp->pdev,
11561 PCICFG_ME_REGISTER, &pci_cfg_dword);
11562 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11563 ME_REG_ABS_PF_NUM_SHIFT);
11564 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011565 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011566
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011567 bnx2x_set_power_state(bp, PCI_D0);
11568
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011569 /* clean indirect addresses */
11570 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11571 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011572 /*
11573 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011574 * is not used by the driver.
11575 */
11576 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11577 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11578 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11579 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011580
Ariel Elior65087cf2012-01-23 07:31:55 +000011581 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040011582 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11583 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11584 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11585 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11586 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011587
Shmulik Ravid21894002011-07-24 03:57:04 +000011588 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011589 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000011590 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011591 */
Ariel Elior65087cf2012-01-23 07:31:55 +000011592 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000011593 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011594
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011595 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011596
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011597 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011598 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011599
Jiri Pirko01789342011-08-16 06:29:00 +000011600 dev->priv_flags |= IFF_UNICAST_FLT;
11601
Michał Mirosław66371c42011-04-12 09:38:23 +000011602 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011603 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11604 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11605 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011606
11607 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11608 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11609
11610 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011611 if (bp->flags & USING_DAC_FLAG)
11612 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011613
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011614 /* Add Loopback capability to the device */
11615 dev->hw_features |= NETIF_F_LOOPBACK;
11616
Shmulik Ravid98507672011-02-28 12:19:55 -080011617#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011618 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11619#endif
11620
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011621 /* get_port_hwinfo() will set prtad and mmds properly */
11622 bp->mdio.prtad = MDIO_PRTAD_NONE;
11623 bp->mdio.mmds = 0;
11624 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11625 bp->mdio.dev = dev;
11626 bp->mdio.mdio_read = bnx2x_mdio_read;
11627 bp->mdio.mdio_write = bnx2x_mdio_write;
11628
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011629 return 0;
11630
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011631err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011632 if (atomic_read(&pdev->enable_cnt) == 1)
11633 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011634
11635err_out_disable:
11636 pci_disable_device(pdev);
11637 pci_set_drvdata(pdev, NULL);
11638
11639err_out:
11640 return rc;
11641}
11642
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011643static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11644 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011645{
11646 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11647
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011648 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11649
11650 /* return value of 1=2.5GHz 2=5GHz */
11651 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011652}
11653
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011654static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011655{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011656 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011657 struct bnx2x_fw_file_hdr *fw_hdr;
11658 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011659 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011660 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011661 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011662 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011663
Merav Sicron51c1a582012-03-18 10:33:38 +000011664 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11665 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011666 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011667 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011668
11669 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11670 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11671
11672 /* Make sure none of the offsets and sizes make us read beyond
11673 * the end of the firmware data */
11674 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11675 offset = be32_to_cpu(sections[i].offset);
11676 len = be32_to_cpu(sections[i].len);
11677 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011678 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011679 return -EINVAL;
11680 }
11681 }
11682
11683 /* Likewise for the init_ops offsets */
11684 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11685 ops_offsets = (u16 *)(firmware->data + offset);
11686 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11687
11688 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11689 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011690 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011691 return -EINVAL;
11692 }
11693 }
11694
11695 /* Check FW version */
11696 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11697 fw_ver = firmware->data + offset;
11698 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11699 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11700 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11701 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011702 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11703 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11704 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011705 BCM_5710_FW_MINOR_VERSION,
11706 BCM_5710_FW_REVISION_VERSION,
11707 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011708 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011709 }
11710
11711 return 0;
11712}
11713
Eric Dumazet1191cb82012-04-27 21:39:21 +000011714static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011715{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011716 const __be32 *source = (const __be32 *)_source;
11717 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011718 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011719
11720 for (i = 0; i < n/4; i++)
11721 target[i] = be32_to_cpu(source[i]);
11722}
11723
11724/*
11725 Ops array is stored in the following format:
11726 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11727 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011728static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011729{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011730 const __be32 *source = (const __be32 *)_source;
11731 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011732 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011733
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011734 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011735 tmp = be32_to_cpu(source[j]);
11736 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011737 target[i].offset = tmp & 0xffffff;
11738 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011739 }
11740}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011741
Ben Hutchings1aa8b472012-07-10 10:56:59 +000011742/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011743 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11744 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011745static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011746{
11747 const __be32 *source = (const __be32 *)_source;
11748 struct iro *target = (struct iro *)_target;
11749 u32 i, j, tmp;
11750
11751 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11752 target[i].base = be32_to_cpu(source[j]);
11753 j++;
11754 tmp = be32_to_cpu(source[j]);
11755 target[i].m1 = (tmp >> 16) & 0xffff;
11756 target[i].m2 = tmp & 0xffff;
11757 j++;
11758 tmp = be32_to_cpu(source[j]);
11759 target[i].m3 = (tmp >> 16) & 0xffff;
11760 target[i].size = tmp & 0xffff;
11761 j++;
11762 }
11763}
11764
Eric Dumazet1191cb82012-04-27 21:39:21 +000011765static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011766{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011767 const __be16 *source = (const __be16 *)_source;
11768 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011769 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011770
11771 for (i = 0; i < n/2; i++)
11772 target[i] = be16_to_cpu(source[i]);
11773}
11774
Joe Perches7995c642010-02-17 15:01:52 +000011775#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11776do { \
11777 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11778 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011779 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011780 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011781 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11782 (u8 *)bp->arr, len); \
11783} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011784
Yuval Mintz3b603062012-03-18 10:33:39 +000011785static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011786{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011787 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011788 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011789 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011790
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011791 if (bp->firmware)
11792 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011793
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011794 if (CHIP_IS_E1(bp))
11795 fw_file_name = FW_FILE_NAME_E1;
11796 else if (CHIP_IS_E1H(bp))
11797 fw_file_name = FW_FILE_NAME_E1H;
11798 else if (!CHIP_IS_E1x(bp))
11799 fw_file_name = FW_FILE_NAME_E2;
11800 else {
11801 BNX2X_ERR("Unsupported chip revision\n");
11802 return -EINVAL;
11803 }
11804 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011805
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011806 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11807 if (rc) {
11808 BNX2X_ERR("Can't load firmware file %s\n",
11809 fw_file_name);
11810 goto request_firmware_exit;
11811 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011812
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011813 rc = bnx2x_check_firmware(bp);
11814 if (rc) {
11815 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11816 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011817 }
11818
11819 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11820
11821 /* Initialize the pointers to the init arrays */
11822 /* Blob */
11823 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11824
11825 /* Opcodes */
11826 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11827
11828 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011829 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11830 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011831
11832 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011833 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11834 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11835 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11836 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11837 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11838 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11839 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11840 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11841 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11842 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11843 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11844 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11845 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11846 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11847 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11848 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011849 /* IRO */
11850 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011851
11852 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011853
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011854iro_alloc_err:
11855 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011856init_offsets_alloc_err:
11857 kfree(bp->init_ops);
11858init_ops_alloc_err:
11859 kfree(bp->init_data);
11860request_firmware_exit:
11861 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011862 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011863
11864 return rc;
11865}
11866
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011867static void bnx2x_release_firmware(struct bnx2x *bp)
11868{
11869 kfree(bp->init_ops_offsets);
11870 kfree(bp->init_ops);
11871 kfree(bp->init_data);
11872 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011873 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011874}
11875
11876
11877static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11878 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11879 .init_hw_cmn = bnx2x_init_hw_common,
11880 .init_hw_port = bnx2x_init_hw_port,
11881 .init_hw_func = bnx2x_init_hw_func,
11882
11883 .reset_hw_cmn = bnx2x_reset_common,
11884 .reset_hw_port = bnx2x_reset_port,
11885 .reset_hw_func = bnx2x_reset_func,
11886
11887 .gunzip_init = bnx2x_gunzip_init,
11888 .gunzip_end = bnx2x_gunzip_end,
11889
11890 .init_fw = bnx2x_init_firmware,
11891 .release_fw = bnx2x_release_firmware,
11892};
11893
11894void bnx2x__init_func_obj(struct bnx2x *bp)
11895{
11896 /* Prepare DMAE related driver resources */
11897 bnx2x_setup_dmae(bp);
11898
11899 bnx2x_init_func_obj(bp, &bp->func_obj,
11900 bnx2x_sp(bp, func_rdata),
11901 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000011902 bnx2x_sp(bp, func_afex_rdata),
11903 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011904 &bnx2x_func_sp_drv);
11905}
11906
11907/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011908static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011909{
Merav Sicron37ae41a2012-06-19 07:48:27 +000011910 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011911
Merav Sicron55c11942012-11-07 00:45:48 +000011912 if (CNIC_SUPPORT(bp))
11913 cid_count += CNIC_CID_MAX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011914 return roundup(cid_count, QM_CID_ROUND);
11915}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011916
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011917/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011918 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011919 *
11920 * @dev: pci device
11921 *
11922 */
Merav Sicron55c11942012-11-07 00:45:48 +000011923static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev,
11924 int cnic_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011925{
11926 int pos;
11927 u16 control;
11928
11929 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011930
Ariel Elior6383c0b2011-07-14 08:31:57 +000011931 /*
11932 * If MSI-X is not supported - return number of SBs needed to support
11933 * one fast path queue: one FP queue + SB for CNIC
11934 */
11935 if (!pos)
Merav Sicron55c11942012-11-07 00:45:48 +000011936 return 1 + cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011937
11938 /*
11939 * The value in the PCI configuration space is the index of the last
11940 * entry, namely one less than the actual size of the table, which is
11941 * exactly what we want to return from this function: number of all SBs
11942 * without the default SB.
11943 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011944 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011945 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011946}
11947
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011948static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11949 const struct pci_device_id *ent)
11950{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011951 struct net_device *dev = NULL;
11952 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011953 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011954 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000011955 int rx_count, tx_count, rss_count, doorbell_size;
Merav Sicron55c11942012-11-07 00:45:48 +000011956 int cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011957 /*
11958 * An estimated maximum supported CoS number according to the chip
11959 * version.
11960 * We will try to roughly estimate the maximum number of CoSes this chip
11961 * may support in order to minimize the memory allocated for Tx
11962 * netdev_queue's. This number will be accurately calculated during the
11963 * initialization of bp->max_cos based on the chip versions AND chip
11964 * revision in the bnx2x_init_bp().
11965 */
11966 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011967
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011968 switch (ent->driver_data) {
11969 case BCM57710:
11970 case BCM57711:
11971 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011972 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11973 break;
11974
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011975 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011976 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011977 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11978 break;
11979
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011980 case BCM57800:
11981 case BCM57800_MF:
11982 case BCM57810:
11983 case BCM57810_MF:
Yuval Mintzc3def942012-07-23 10:25:43 +030011984 case BCM57840_O:
11985 case BCM57840_4_10:
11986 case BCM57840_2_20:
11987 case BCM57840_MFO:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011988 case BCM57840_MF:
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000011989 case BCM57811:
11990 case BCM57811_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011991 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011992 break;
11993
11994 default:
11995 pr_err("Unknown board_type (%ld), aborting\n",
11996 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011997 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011998 }
11999
Merav Sicron55c11942012-11-07 00:45:48 +000012000 cnic_cnt = 1;
12001 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev, cnic_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012002
Ariel Elior6383c0b2011-07-14 08:31:57 +000012003 WARN_ON(!max_non_def_sbs);
12004
12005 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
Merav Sicron55c11942012-11-07 00:45:48 +000012006 rss_count = max_non_def_sbs - cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012007
12008 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
Merav Sicron55c11942012-11-07 00:45:48 +000012009 rx_count = rss_count + cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012010
12011 /*
12012 * Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000012013 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000012014 */
Merav Sicron55c11942012-11-07 00:45:48 +000012015 tx_count = rss_count * max_cos_est + cnic_cnt;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012016
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012017 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012018 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000012019 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012020 return -ENOMEM;
12021
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012022 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012023
Ariel Elior6383c0b2011-07-14 08:31:57 +000012024 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000012025 bp->msg_enable = debug;
Merav Sicron55c11942012-11-07 00:45:48 +000012026 bp->cnic_support = cnic_cnt;
12027
Eilon Greensteindf4770de2009-08-12 08:23:28 +000012028 pci_set_drvdata(pdev, dev);
12029
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012030 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012031 if (rc < 0) {
12032 free_netdev(dev);
12033 return rc;
12034 }
12035
Merav Sicron55c11942012-11-07 00:45:48 +000012036 BNX2X_DEV_INFO("Cnic support is %s\n", CNIC_SUPPORT(bp) ? "on" : "off");
Merav Sicron51c1a582012-03-18 10:33:38 +000012037 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012038
Merav Sicron60aa0502012-06-19 07:48:29 +000012039 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
12040 tx_count, rx_count);
12041
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012042 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000012043 if (rc)
12044 goto init_one_exit;
12045
Ariel Elior6383c0b2011-07-14 08:31:57 +000012046 /*
12047 * Map doorbels here as we need the real value of bp->max_cos which
12048 * is initialized in bnx2x_init_bp().
12049 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000012050 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
12051 if (doorbell_size > pci_resource_len(pdev, 2)) {
12052 dev_err(&bp->pdev->dev,
12053 "Cannot map doorbells, bar size too small, aborting\n");
12054 rc = -ENOMEM;
12055 goto init_one_exit;
12056 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000012057 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Merav Sicron37ae41a2012-06-19 07:48:27 +000012058 doorbell_size);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012059 if (!bp->doorbells) {
12060 dev_err(&bp->pdev->dev,
12061 "Cannot map doorbell space, aborting\n");
12062 rc = -ENOMEM;
12063 goto init_one_exit;
12064 }
12065
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012066 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012067 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012068
Merav Sicron55c11942012-11-07 00:45:48 +000012069 /* disable FCOE L2 queue for E1x*/
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000012070 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012071 bp->flags |= NO_FCOE_FLAG;
12072
Dmitry Kravkov477864d2012-10-31 05:46:58 +000012073 /* disable FCOE for 57840 device, until FW supports it */
12074 switch (ent->driver_data) {
12075 case BCM57840_O:
12076 case BCM57840_4_10:
12077 case BCM57840_2_20:
12078 case BCM57840_MFO:
12079 case BCM57840_MF:
12080 bp->flags |= NO_FCOE_FLAG;
12081 }
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012082
12083 /* Set bp->num_queues for MSI-X mode*/
12084 bnx2x_set_num_queues(bp);
12085
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012086 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012087 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012088 */
12089 bnx2x_set_int_mode(bp);
12090
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080012091 rc = register_netdev(dev);
12092 if (rc) {
12093 dev_err(&pdev->dev, "Cannot register net device\n");
12094 goto init_one_exit;
12095 }
12096
Merav Sicron55c11942012-11-07 00:45:48 +000012097
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012098 if (!NO_FCOE(bp)) {
12099 /* Add storage MAC address */
12100 rtnl_lock();
12101 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12102 rtnl_unlock();
12103 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012104
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012105 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012106
Merav Sicron51c1a582012-03-18 10:33:38 +000012107 BNX2X_DEV_INFO(
12108 "%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 +000012109 board_info[ent->driver_data].name,
12110 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
12111 pcie_width,
12112 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
12113 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
12114 "5GHz (Gen2)" : "2.5GHz",
12115 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000012116
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012117 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012118
12119init_one_exit:
12120 if (bp->regview)
12121 iounmap(bp->regview);
12122
12123 if (bp->doorbells)
12124 iounmap(bp->doorbells);
12125
12126 free_netdev(dev);
12127
12128 if (atomic_read(&pdev->enable_cnt) == 1)
12129 pci_release_regions(pdev);
12130
12131 pci_disable_device(pdev);
12132 pci_set_drvdata(pdev, NULL);
12133
12134 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012135}
12136
12137static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
12138{
12139 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080012140 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012141
Eliezer Tamir228241e2008-02-28 11:56:57 -080012142 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012143 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080012144 return;
12145 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080012146 bp = netdev_priv(dev);
12147
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012148 /* Delete storage MAC address */
12149 if (!NO_FCOE(bp)) {
12150 rtnl_lock();
12151 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12152 rtnl_unlock();
12153 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012154
Shmulik Ravid98507672011-02-28 12:19:55 -080012155#ifdef BCM_DCBNL
12156 /* Delete app tlvs from dcbnl */
12157 bnx2x_dcbnl_update_applist(bp, true);
12158#endif
12159
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012160 unregister_netdev(dev);
12161
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012162 /* Power on: we can't let PCI layer write to us while we are in D3 */
12163 bnx2x_set_power_state(bp, PCI_D0);
12164
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012165 /* Disable MSI/MSI-X */
12166 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012167
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012168 /* Power off */
12169 bnx2x_set_power_state(bp, PCI_D3hot);
12170
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012171 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000012172 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012173
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012174 if (bp->regview)
12175 iounmap(bp->regview);
12176
12177 if (bp->doorbells)
12178 iounmap(bp->doorbells);
12179
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012180 bnx2x_release_firmware(bp);
12181
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012182 bnx2x_free_mem_bp(bp);
12183
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012184 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012185
12186 if (atomic_read(&pdev->enable_cnt) == 1)
12187 pci_release_regions(pdev);
12188
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012189 pci_disable_device(pdev);
12190 pci_set_drvdata(pdev, NULL);
12191}
12192
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012193static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12194{
12195 int i;
12196
12197 bp->state = BNX2X_STATE_ERROR;
12198
12199 bp->rx_mode = BNX2X_RX_MODE_NONE;
12200
Merav Sicron55c11942012-11-07 00:45:48 +000012201 if (CNIC_LOADED(bp))
12202 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12203
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012204 /* Stop Tx */
12205 bnx2x_tx_disable(bp);
12206
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012207 bnx2x_netif_stop(bp, 0);
Merav Sicron26614ba2012-08-27 03:26:19 +000012208 /* Delete all NAPI objects */
12209 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +000012210 if (CNIC_LOADED(bp))
12211 bnx2x_del_all_napi_cnic(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012212
12213 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012214
12215 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012216
12217 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012218 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012219
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012220 /* Free SKBs, SGEs, TPA pool and driver internals */
12221 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012222
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012223 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012224 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012225
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012226 bnx2x_free_mem(bp);
12227
12228 bp->state = BNX2X_STATE_CLOSED;
12229
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012230 netif_carrier_off(bp->dev);
12231
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012232 return 0;
12233}
12234
12235static void bnx2x_eeh_recover(struct bnx2x *bp)
12236{
12237 u32 val;
12238
12239 mutex_init(&bp->port.phy_mutex);
12240
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012241
12242 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12243 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12244 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12245 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012246}
12247
Wendy Xiong493adb12008-06-23 20:36:22 -070012248/**
12249 * bnx2x_io_error_detected - called when PCI error is detected
12250 * @pdev: Pointer to PCI device
12251 * @state: The current pci connection state
12252 *
12253 * This function is called after a PCI bus error affecting
12254 * this device has been detected.
12255 */
12256static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12257 pci_channel_state_t state)
12258{
12259 struct net_device *dev = pci_get_drvdata(pdev);
12260 struct bnx2x *bp = netdev_priv(dev);
12261
12262 rtnl_lock();
12263
12264 netif_device_detach(dev);
12265
Dean Nelson07ce50e42009-07-31 09:13:25 +000012266 if (state == pci_channel_io_perm_failure) {
12267 rtnl_unlock();
12268 return PCI_ERS_RESULT_DISCONNECT;
12269 }
12270
Wendy Xiong493adb12008-06-23 20:36:22 -070012271 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012272 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012273
12274 pci_disable_device(pdev);
12275
12276 rtnl_unlock();
12277
12278 /* Request a slot reset */
12279 return PCI_ERS_RESULT_NEED_RESET;
12280}
12281
12282/**
12283 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12284 * @pdev: Pointer to PCI device
12285 *
12286 * Restart the card from scratch, as if from a cold-boot.
12287 */
12288static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12289{
12290 struct net_device *dev = pci_get_drvdata(pdev);
12291 struct bnx2x *bp = netdev_priv(dev);
12292
12293 rtnl_lock();
12294
12295 if (pci_enable_device(pdev)) {
12296 dev_err(&pdev->dev,
12297 "Cannot re-enable PCI device after reset\n");
12298 rtnl_unlock();
12299 return PCI_ERS_RESULT_DISCONNECT;
12300 }
12301
12302 pci_set_master(pdev);
12303 pci_restore_state(pdev);
12304
12305 if (netif_running(dev))
12306 bnx2x_set_power_state(bp, PCI_D0);
12307
12308 rtnl_unlock();
12309
12310 return PCI_ERS_RESULT_RECOVERED;
12311}
12312
12313/**
12314 * bnx2x_io_resume - called when traffic can start flowing again
12315 * @pdev: Pointer to PCI device
12316 *
12317 * This callback is called when the error recovery driver tells us that
12318 * its OK to resume normal operation.
12319 */
12320static void bnx2x_io_resume(struct pci_dev *pdev)
12321{
12322 struct net_device *dev = pci_get_drvdata(pdev);
12323 struct bnx2x *bp = netdev_priv(dev);
12324
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012325 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012326 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012327 return;
12328 }
12329
Wendy Xiong493adb12008-06-23 20:36:22 -070012330 rtnl_lock();
12331
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012332 bnx2x_eeh_recover(bp);
12333
Wendy Xiong493adb12008-06-23 20:36:22 -070012334 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012335 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012336
12337 netif_device_attach(dev);
12338
12339 rtnl_unlock();
12340}
12341
Stephen Hemminger3646f0e2012-09-07 09:33:15 -070012342static const struct pci_error_handlers bnx2x_err_handler = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012343 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012344 .slot_reset = bnx2x_io_slot_reset,
12345 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012346};
12347
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012348static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012349 .name = DRV_MODULE_NAME,
12350 .id_table = bnx2x_pci_tbl,
12351 .probe = bnx2x_init_one,
12352 .remove = __devexit_p(bnx2x_remove_one),
12353 .suspend = bnx2x_suspend,
12354 .resume = bnx2x_resume,
12355 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012356};
12357
12358static int __init bnx2x_init(void)
12359{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012360 int ret;
12361
Joe Perches7995c642010-02-17 15:01:52 +000012362 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012363
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012364 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12365 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012366 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012367 return -ENOMEM;
12368 }
12369
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012370 ret = pci_register_driver(&bnx2x_pci_driver);
12371 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012372 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012373 destroy_workqueue(bnx2x_wq);
12374 }
12375 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012376}
12377
12378static void __exit bnx2x_cleanup(void)
12379{
Yuval Mintz452427b2012-03-26 20:47:07 +000012380 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012381 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012382
12383 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012384
12385 /* Free globablly allocated resources */
12386 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12387 struct bnx2x_prev_path_list *tmp =
12388 list_entry(pos, struct bnx2x_prev_path_list, list);
12389 list_del(pos);
12390 kfree(tmp);
12391 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012392}
12393
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012394void bnx2x_notify_link_changed(struct bnx2x *bp)
12395{
12396 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12397}
12398
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012399module_init(bnx2x_init);
12400module_exit(bnx2x_cleanup);
12401
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012402/**
12403 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12404 *
12405 * @bp: driver handle
12406 * @set: set or clear the CAM entry
12407 *
12408 * This function will wait until the ramdord completion returns.
12409 * Return 0 if success, -ENODEV if ramrod doesn't return.
12410 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012411static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012412{
12413 unsigned long ramrod_flags = 0;
12414
12415 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12416 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12417 &bp->iscsi_l2_mac_obj, true,
12418 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12419}
Michael Chan993ac7b2009-10-10 13:46:56 +000012420
12421/* count denotes the number of new completions we have seen */
12422static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12423{
12424 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012425 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012426
12427#ifdef BNX2X_STOP_ON_ERROR
12428 if (unlikely(bp->panic))
12429 return;
12430#endif
12431
12432 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012433 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012434 bp->cnic_spq_pending -= count;
12435
Michael Chan993ac7b2009-10-10 13:46:56 +000012436
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012437 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12438 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12439 & SPE_HDR_CONN_TYPE) >>
12440 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012441 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12442 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012443
12444 /* Set validation for iSCSI L2 client before sending SETUP
12445 * ramrod
12446 */
12447 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012448 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012449 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012450 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012451 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012452 (cxt_index * ILT_PAGE_CIDS);
12453 bnx2x_set_ctx_validation(bp,
12454 &bp->context[cxt_index].
12455 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012456 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012457 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012458 }
12459
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012460 /*
12461 * There may be not more than 8 L2, not more than 8 L5 SPEs
12462 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012463 * COMMON ramrods is not more than the EQ and SPQ can
12464 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012465 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012466 if (type == ETH_CONNECTION_TYPE) {
12467 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012468 break;
12469 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012470 atomic_dec(&bp->cq_spq_left);
12471 } else if (type == NONE_CONNECTION_TYPE) {
12472 if (!atomic_read(&bp->eq_spq_left))
12473 break;
12474 else
12475 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012476 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12477 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012478 if (bp->cnic_spq_pending >=
12479 bp->cnic_eth_dev.max_kwqe_pending)
12480 break;
12481 else
12482 bp->cnic_spq_pending++;
12483 } else {
12484 BNX2X_ERR("Unknown SPE type: %d\n", type);
12485 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012486 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012487 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012488
12489 spe = bnx2x_sp_get_next(bp);
12490 *spe = *bp->cnic_kwq_cons;
12491
Merav Sicron51c1a582012-03-18 10:33:38 +000012492 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012493 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12494
12495 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12496 bp->cnic_kwq_cons = bp->cnic_kwq;
12497 else
12498 bp->cnic_kwq_cons++;
12499 }
12500 bnx2x_sp_prod_update(bp);
12501 spin_unlock_bh(&bp->spq_lock);
12502}
12503
12504static int bnx2x_cnic_sp_queue(struct net_device *dev,
12505 struct kwqe_16 *kwqes[], u32 count)
12506{
12507 struct bnx2x *bp = netdev_priv(dev);
12508 int i;
12509
12510#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012511 if (unlikely(bp->panic)) {
12512 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012513 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012514 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012515#endif
12516
Ariel Elior95c6c6162012-01-26 06:01:52 +000012517 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12518 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012519 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012520 return -EAGAIN;
12521 }
12522
Michael Chan993ac7b2009-10-10 13:46:56 +000012523 spin_lock_bh(&bp->spq_lock);
12524
12525 for (i = 0; i < count; i++) {
12526 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12527
12528 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12529 break;
12530
12531 *bp->cnic_kwq_prod = *spe;
12532
12533 bp->cnic_kwq_pending++;
12534
Merav Sicron51c1a582012-03-18 10:33:38 +000012535 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012536 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012537 spe->data.update_data_addr.hi,
12538 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012539 bp->cnic_kwq_pending);
12540
12541 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12542 bp->cnic_kwq_prod = bp->cnic_kwq;
12543 else
12544 bp->cnic_kwq_prod++;
12545 }
12546
12547 spin_unlock_bh(&bp->spq_lock);
12548
12549 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12550 bnx2x_cnic_sp_post(bp, 0);
12551
12552 return i;
12553}
12554
12555static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12556{
12557 struct cnic_ops *c_ops;
12558 int rc = 0;
12559
12560 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012561 c_ops = rcu_dereference_protected(bp->cnic_ops,
12562 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012563 if (c_ops)
12564 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12565 mutex_unlock(&bp->cnic_mutex);
12566
12567 return rc;
12568}
12569
12570static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12571{
12572 struct cnic_ops *c_ops;
12573 int rc = 0;
12574
12575 rcu_read_lock();
12576 c_ops = rcu_dereference(bp->cnic_ops);
12577 if (c_ops)
12578 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12579 rcu_read_unlock();
12580
12581 return rc;
12582}
12583
12584/*
12585 * for commands that have no data
12586 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012587int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012588{
12589 struct cnic_ctl_info ctl = {0};
12590
12591 ctl.cmd = cmd;
12592
12593 return bnx2x_cnic_ctl_send(bp, &ctl);
12594}
12595
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012596static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012597{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012598 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012599
12600 /* first we tell CNIC and only then we count this as a completion */
12601 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12602 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012603 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012604
12605 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012606 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012607}
12608
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012609
12610/* Called with netif_addr_lock_bh() taken.
12611 * Sets an rx_mode config for an iSCSI ETH client.
12612 * Doesn't block.
12613 * Completion should be checked outside.
12614 */
12615static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12616{
12617 unsigned long accept_flags = 0, ramrod_flags = 0;
12618 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12619 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12620
12621 if (start) {
12622 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12623 * because it's the only way for UIO Queue to accept
12624 * multicasts (in non-promiscuous mode only one Queue per
12625 * function will receive multicast packets (leading in our
12626 * case).
12627 */
12628 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12629 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12630 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12631 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12632
12633 /* Clear STOP_PENDING bit if START is requested */
12634 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12635
12636 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12637 } else
12638 /* Clear START_PENDING bit if STOP is requested */
12639 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12640
12641 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12642 set_bit(sched_state, &bp->sp_state);
12643 else {
12644 __set_bit(RAMROD_RX, &ramrod_flags);
12645 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12646 ramrod_flags);
12647 }
12648}
12649
12650
Michael Chan993ac7b2009-10-10 13:46:56 +000012651static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12652{
12653 struct bnx2x *bp = netdev_priv(dev);
12654 int rc = 0;
12655
12656 switch (ctl->cmd) {
12657 case DRV_CTL_CTXTBL_WR_CMD: {
12658 u32 index = ctl->data.io.offset;
12659 dma_addr_t addr = ctl->data.io.dma_addr;
12660
12661 bnx2x_ilt_wr(bp, index, addr);
12662 break;
12663 }
12664
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012665 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12666 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012667
12668 bnx2x_cnic_sp_post(bp, count);
12669 break;
12670 }
12671
12672 /* rtnl_lock is held. */
12673 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012674 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12675 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012676
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012677 /* Configure the iSCSI classification object */
12678 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12679 cp->iscsi_l2_client_id,
12680 cp->iscsi_l2_cid, BP_FUNC(bp),
12681 bnx2x_sp(bp, mac_rdata),
12682 bnx2x_sp_mapping(bp, mac_rdata),
12683 BNX2X_FILTER_MAC_PENDING,
12684 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12685 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012686
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012687 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012688 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12689 if (rc)
12690 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012691
12692 mmiowb();
12693 barrier();
12694
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012695 /* Start accepting on iSCSI L2 ring */
12696
12697 netif_addr_lock_bh(dev);
12698 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12699 netif_addr_unlock_bh(dev);
12700
12701 /* bits to wait on */
12702 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12703 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12704
12705 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12706 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012707
Michael Chan993ac7b2009-10-10 13:46:56 +000012708 break;
12709 }
12710
12711 /* rtnl_lock is held. */
12712 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012713 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012714
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012715 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012716 netif_addr_lock_bh(dev);
12717 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12718 netif_addr_unlock_bh(dev);
12719
12720 /* bits to wait on */
12721 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12722 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12723
12724 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12725 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012726
12727 mmiowb();
12728 barrier();
12729
12730 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012731 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12732 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012733 break;
12734 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012735 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12736 int count = ctl->data.credit.credit_count;
12737
12738 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012739 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012740 smp_mb__after_atomic_inc();
12741 break;
12742 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012743 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000012744 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012745
12746 if (CHIP_IS_E3(bp)) {
12747 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012748 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12749 int path = BP_PATH(bp);
12750 int port = BP_PORT(bp);
12751 int i;
12752 u32 scratch_offset;
12753 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012754
Barak Witkowski2e499d32012-06-26 01:31:19 +000012755 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000012756 if (ulp_type == CNIC_ULP_ISCSI)
12757 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12758 else if (ulp_type == CNIC_ULP_FCOE)
12759 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12760 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012761
12762 if ((ulp_type != CNIC_ULP_FCOE) ||
12763 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
12764 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
12765 break;
12766
12767 /* if reached here - should write fcoe capabilities */
12768 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
12769 if (!scratch_offset)
12770 break;
12771 scratch_offset += offsetof(struct glob_ncsi_oem_data,
12772 fcoe_features[path][port]);
12773 host_addr = (u32 *) &(ctl->data.register_data.
12774 fcoe_features);
12775 for (i = 0; i < sizeof(struct fcoe_capabilities);
12776 i += 4)
12777 REG_WR(bp, scratch_offset + i,
12778 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000012779 }
12780 break;
12781 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000012782
Barak Witkowski1d187b32011-12-05 22:41:50 +000012783 case DRV_CTL_ULP_UNREGISTER_CMD: {
12784 int ulp_type = ctl->data.ulp_type;
12785
12786 if (CHIP_IS_E3(bp)) {
12787 int idx = BP_FW_MB_IDX(bp);
12788 u32 cap;
12789
12790 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12791 if (ulp_type == CNIC_ULP_ISCSI)
12792 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12793 else if (ulp_type == CNIC_ULP_FCOE)
12794 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12795 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12796 }
12797 break;
12798 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012799
12800 default:
12801 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12802 rc = -EINVAL;
12803 }
12804
12805 return rc;
12806}
12807
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012808void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012809{
12810 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12811
12812 if (bp->flags & USING_MSIX_FLAG) {
12813 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12814 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12815 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12816 } else {
12817 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12818 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12819 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012820 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012821 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12822 else
12823 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12824
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012825 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12826 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012827 cp->irq_arr[1].status_blk = bp->def_status_blk;
12828 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012829 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012830
12831 cp->num_irq = 2;
12832}
12833
Merav Sicron37ae41a2012-06-19 07:48:27 +000012834void bnx2x_setup_cnic_info(struct bnx2x *bp)
12835{
12836 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12837
12838
12839 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12840 bnx2x_cid_ilt_lines(bp);
12841 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
12842 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
12843 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
12844
12845 if (NO_ISCSI_OOO(bp))
12846 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12847}
12848
Michael Chan993ac7b2009-10-10 13:46:56 +000012849static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12850 void *data)
12851{
12852 struct bnx2x *bp = netdev_priv(dev);
12853 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
Merav Sicron55c11942012-11-07 00:45:48 +000012854 int rc;
12855
12856 DP(NETIF_MSG_IFUP, "Register_cnic called\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012857
Merav Sicron51c1a582012-03-18 10:33:38 +000012858 if (ops == NULL) {
12859 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012860 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012861 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012862
Merav Sicron55c11942012-11-07 00:45:48 +000012863 if (!CNIC_SUPPORT(bp)) {
12864 BNX2X_ERR("Can't register CNIC when not supported\n");
12865 return -EOPNOTSUPP;
12866 }
12867
12868 if (!CNIC_LOADED(bp)) {
12869 rc = bnx2x_load_cnic(bp);
12870 if (rc) {
12871 BNX2X_ERR("CNIC-related load failed\n");
12872 return rc;
12873 }
12874
12875 }
12876
12877 bp->cnic_enabled = true;
12878
Michael Chan993ac7b2009-10-10 13:46:56 +000012879 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12880 if (!bp->cnic_kwq)
12881 return -ENOMEM;
12882
12883 bp->cnic_kwq_cons = bp->cnic_kwq;
12884 bp->cnic_kwq_prod = bp->cnic_kwq;
12885 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12886
12887 bp->cnic_spq_pending = 0;
12888 bp->cnic_kwq_pending = 0;
12889
12890 bp->cnic_data = data;
12891
12892 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012893 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012894 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012895
Michael Chan993ac7b2009-10-10 13:46:56 +000012896 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012897
Michael Chan993ac7b2009-10-10 13:46:56 +000012898 rcu_assign_pointer(bp->cnic_ops, ops);
12899
12900 return 0;
12901}
12902
12903static int bnx2x_unregister_cnic(struct net_device *dev)
12904{
12905 struct bnx2x *bp = netdev_priv(dev);
12906 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12907
12908 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012909 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012910 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012911 mutex_unlock(&bp->cnic_mutex);
12912 synchronize_rcu();
12913 kfree(bp->cnic_kwq);
12914 bp->cnic_kwq = NULL;
12915
12916 return 0;
12917}
12918
12919struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12920{
12921 struct bnx2x *bp = netdev_priv(dev);
12922 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12923
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012924 /* If both iSCSI and FCoE are disabled - return NULL in
12925 * order to indicate CNIC that it should not try to work
12926 * with this device.
12927 */
12928 if (NO_ISCSI(bp) && NO_FCOE(bp))
12929 return NULL;
12930
Michael Chan993ac7b2009-10-10 13:46:56 +000012931 cp->drv_owner = THIS_MODULE;
12932 cp->chip_id = CHIP_ID(bp);
12933 cp->pdev = bp->pdev;
12934 cp->io_base = bp->regview;
12935 cp->io_base2 = bp->doorbells;
12936 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012937 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012938 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12939 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012940 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012941 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012942 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12943 cp->drv_ctl = bnx2x_drv_ctl;
12944 cp->drv_register_cnic = bnx2x_register_cnic;
12945 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012946 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012947 cp->iscsi_l2_client_id =
12948 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012949 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012950
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012951 if (NO_ISCSI_OOO(bp))
12952 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12953
12954 if (NO_ISCSI(bp))
12955 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12956
12957 if (NO_FCOE(bp))
12958 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12959
Merav Sicron51c1a582012-03-18 10:33:38 +000012960 BNX2X_DEV_INFO(
12961 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012962 cp->ctx_blk_size,
12963 cp->ctx_tbl_offset,
12964 cp->ctx_tbl_len,
12965 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012966 return cp;
12967}
12968EXPORT_SYMBOL(bnx2x_cnic_probe);
12969
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012970