blob: 89b3d10e1575012148774c4b530aa3824123331a [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
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002035static int bnx2x_set_spio(struct bnx2x *bp, int spio, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08002036{
Eliezer Tamirf1410642008-02-28 11:51:50 -08002037 u32 spio_reg;
2038
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002039 /* Only 2 SPIOs are configurable */
2040 if ((spio != MISC_SPIO_SPIO4) && (spio != MISC_SPIO_SPIO5)) {
2041 BNX2X_ERR("Invalid SPIO 0x%x\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002042 return -EINVAL;
2043 }
2044
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002045 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002046 /* read SPIO and mask except the float bits */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002047 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_SPIO_FLOAT);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002048
2049 switch (mode) {
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002050 case MISC_SPIO_OUTPUT_LOW:
2051 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output low\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002052 /* clear FLOAT and set CLR */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002053 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2054 spio_reg |= (spio << MISC_SPIO_CLR_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002055 break;
2056
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002057 case MISC_SPIO_OUTPUT_HIGH:
2058 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output high\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002059 /* clear FLOAT and set SET */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002060 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2061 spio_reg |= (spio << MISC_SPIO_SET_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002062 break;
2063
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002064 case MISC_SPIO_INPUT_HI_Z:
2065 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> input\n", spio);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002066 /* set FLOAT */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00002067 spio_reg |= (spio << MISC_SPIO_FLOAT_POS);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002068 break;
2069
2070 default:
2071 break;
2072 }
2073
2074 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002075 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002076
2077 return 0;
2078}
2079
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002080void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002081{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002082 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002083 switch (bp->link_vars.ieee_fc &
2084 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002085 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002086 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002087 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002088 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002089
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002090 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002091 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002092 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002093 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002094
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002095 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002096 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002097 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002098
Eliezer Tamirf1410642008-02-28 11:51:50 -08002099 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002100 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002101 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002102 break;
2103 }
2104}
2105
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002106u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002107{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002108 if (!BP_NOMCP(bp)) {
2109 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002110 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2111 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002112 /*
2113 * Initialize link parameters structure variables
2114 * It is recommended to turn off RX FC for jumbo frames
2115 * for better performance
2116 */
2117 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002118 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002119 else
David S. Millerc0700f92008-12-16 23:53:20 -08002120 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002121
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002122 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002123
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002124 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002125 struct link_params *lp = &bp->link_params;
2126 lp->loopback_mode = LOOPBACK_XGXS;
2127 /* do PHY loopback at 10G speed, if possible */
2128 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2129 if (lp->speed_cap_mask[cfx_idx] &
2130 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2131 lp->req_line_speed[cfx_idx] =
2132 SPEED_10000;
2133 else
2134 lp->req_line_speed[cfx_idx] =
2135 SPEED_1000;
2136 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002137 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002138
Merav Sicron8970b2e2012-06-19 07:48:22 +00002139 if (load_mode == LOAD_LOOPBACK_EXT) {
2140 struct link_params *lp = &bp->link_params;
2141 lp->loopback_mode = LOOPBACK_EXT;
2142 }
2143
Eilon Greenstein19680c42008-08-13 15:47:33 -07002144 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002145
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002146 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002147
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002148 bnx2x_calc_fc_adv(bp);
2149
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002150 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2151 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002152 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002153 } else
2154 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002155 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002156 return rc;
2157 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002158 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002159 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002160}
2161
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002162void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002163{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002164 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002165 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002166 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002167 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002168
Eilon Greenstein19680c42008-08-13 15:47:33 -07002169 bnx2x_calc_fc_adv(bp);
2170 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002171 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002172}
2173
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002174static void bnx2x__link_reset(struct bnx2x *bp)
2175{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002176 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002177 bnx2x_acquire_phy_lock(bp);
Yuval Mintz5d07d862012-09-13 02:56:21 +00002178 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002179 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002180 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002181 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002182}
2183
Yuval Mintz5d07d862012-09-13 02:56:21 +00002184void bnx2x_force_link_reset(struct bnx2x *bp)
2185{
2186 bnx2x_acquire_phy_lock(bp);
2187 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2188 bnx2x_release_phy_lock(bp);
2189}
2190
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002191u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002192{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002193 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002194
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002195 if (!BP_NOMCP(bp)) {
2196 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002197 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2198 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002199 bnx2x_release_phy_lock(bp);
2200 } else
2201 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002202
2203 return rc;
2204}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002205
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002206
Eilon Greenstein2691d512009-08-12 08:22:08 +00002207/* Calculates the sum of vn_min_rates.
2208 It's needed for further normalizing of the min_rates.
2209 Returns:
2210 sum of vn_min_rates.
2211 or
2212 0 - if all the min_rates are 0.
2213 In the later case fainess algorithm should be deactivated.
2214 If not all min_rates are zero then those that are zeroes will be set to 1.
2215 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002216static void bnx2x_calc_vn_min(struct bnx2x *bp,
2217 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002218{
2219 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002220 int vn;
2221
David S. Miller8decf862011-09-22 03:23:13 -04002222 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002223 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002224 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2225 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2226
2227 /* Skip hidden vns */
2228 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002229 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002230 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002231 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002232 vn_min_rate = DEF_MIN_RATE;
2233 else
2234 all_zero = 0;
2235
Yuval Mintzb475d782012-04-03 18:41:29 +00002236 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002237 }
2238
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002239 /* if ETS or all min rates are zeros - disable fairness */
2240 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002241 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002242 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2243 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2244 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002245 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002246 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002247 DP(NETIF_MSG_IFUP,
2248 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002249 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002250 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002251 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002252}
2253
Yuval Mintzb475d782012-04-03 18:41:29 +00002254static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2255 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002256{
Yuval Mintzb475d782012-04-03 18:41:29 +00002257 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002258 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002259
Yuval Mintzb475d782012-04-03 18:41:29 +00002260 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002261 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002262 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002263 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2264
Yuval Mintzb475d782012-04-03 18:41:29 +00002265 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002266 /* maxCfg in percents of linkspeed */
2267 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002268 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002269 /* maxCfg is absolute in 100Mb units */
2270 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002271 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002272
Yuval Mintzb475d782012-04-03 18:41:29 +00002273 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002274
Yuval Mintzb475d782012-04-03 18:41:29 +00002275 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002276}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002277
Yuval Mintzb475d782012-04-03 18:41:29 +00002278
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002279static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2280{
2281 if (CHIP_REV_IS_SLOW(bp))
2282 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002283 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002284 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002285
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002286 return CMNG_FNS_NONE;
2287}
2288
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002289void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002290{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002291 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002292
2293 if (BP_NOMCP(bp))
2294 return; /* what should be the default bvalue in this case */
2295
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002296 /* For 2 port configuration the absolute function number formula
2297 * is:
2298 * abs_func = 2 * vn + BP_PORT + BP_PATH
2299 *
2300 * and there are 4 functions per port
2301 *
2302 * For 4 port configuration it is
2303 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2304 *
2305 * and there are 2 functions per port
2306 */
David S. Miller8decf862011-09-22 03:23:13 -04002307 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002308 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2309
2310 if (func >= E1H_FUNC_MAX)
2311 break;
2312
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002313 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002314 MF_CFG_RD(bp, func_mf_config[func].config);
2315 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002316 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2317 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2318 bp->flags |= MF_FUNC_DIS;
2319 } else {
2320 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2321 bp->flags &= ~MF_FUNC_DIS;
2322 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002323}
2324
2325static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2326{
Yuval Mintzb475d782012-04-03 18:41:29 +00002327 struct cmng_init_input input;
2328 memset(&input, 0, sizeof(struct cmng_init_input));
2329
2330 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002331
2332 if (cmng_type == CMNG_FNS_MINMAX) {
2333 int vn;
2334
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002335 /* read mf conf from shmem */
2336 if (read_cfg)
2337 bnx2x_read_mf_cfg(bp);
2338
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002339 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002340 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002341
2342 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002343 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002344 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002345 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002346
2347 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002348 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002349 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002350
2351 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002352 return;
2353 }
2354
2355 /* rate shaping and fairness are disabled */
2356 DP(NETIF_MSG_IFUP,
2357 "rate shaping and fairness are disabled\n");
2358}
2359
Eric Dumazet1191cb82012-04-27 21:39:21 +00002360static void storm_memset_cmng(struct bnx2x *bp,
2361 struct cmng_init *cmng,
2362 u8 port)
2363{
2364 int vn;
2365 size_t size = sizeof(struct cmng_struct_per_port);
2366
2367 u32 addr = BAR_XSTRORM_INTMEM +
2368 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2369
2370 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2371
2372 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2373 int func = func_by_vn(bp, vn);
2374
2375 addr = BAR_XSTRORM_INTMEM +
2376 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2377 size = sizeof(struct rate_shaping_vars_per_vn);
2378 __storm_memset_struct(bp, addr, size,
2379 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2380
2381 addr = BAR_XSTRORM_INTMEM +
2382 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2383 size = sizeof(struct fairness_vars_per_vn);
2384 __storm_memset_struct(bp, addr, size,
2385 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2386 }
2387}
2388
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002389/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002390static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002391{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002392 /* Make sure that we are synced with the current statistics */
2393 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2394
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002395 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002396
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002397 if (bp->link_vars.link_up) {
2398
Eilon Greenstein1c063282009-02-12 08:36:43 +00002399 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002400 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002401 int port = BP_PORT(bp);
2402 u32 pause_enabled = 0;
2403
2404 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2405 pause_enabled = 1;
2406
2407 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002408 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002409 pause_enabled);
2410 }
2411
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002412 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002413 struct host_port_stats *pstats;
2414
2415 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002416 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002417 memset(&(pstats->mac_stx[0]), 0,
2418 sizeof(struct mac_stx));
2419 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002420 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002421 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2422 }
2423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002424 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2425 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002426
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002427 if (cmng_fns != CMNG_FNS_NONE) {
2428 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2429 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2430 } else
2431 /* rate shaping and fairness are disabled */
2432 DP(NETIF_MSG_IFUP,
2433 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002434 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002435
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002436 __bnx2x_link_report(bp);
2437
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002438 if (IS_MF(bp))
2439 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002440}
2441
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002442void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002443{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002444 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002445 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002446
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002447 /* read updated dcb configuration */
2448 bnx2x_dcbx_pmf_update(bp);
2449
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002450 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2451
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002452 if (bp->link_vars.link_up)
2453 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2454 else
2455 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2456
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002457 /* indicate link status */
2458 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002459}
2460
Barak Witkowskia3348722012-04-23 03:04:46 +00002461static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2462 u16 vlan_val, u8 allowed_prio)
2463{
2464 struct bnx2x_func_state_params func_params = {0};
2465 struct bnx2x_func_afex_update_params *f_update_params =
2466 &func_params.params.afex_update;
2467
2468 func_params.f_obj = &bp->func_obj;
2469 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2470
2471 /* no need to wait for RAMROD completion, so don't
2472 * set RAMROD_COMP_WAIT flag
2473 */
2474
2475 f_update_params->vif_id = vifid;
2476 f_update_params->afex_default_vlan = vlan_val;
2477 f_update_params->allowed_priorities = allowed_prio;
2478
2479 /* if ramrod can not be sent, response to MCP immediately */
2480 if (bnx2x_func_state_change(bp, &func_params) < 0)
2481 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2482
2483 return 0;
2484}
2485
2486static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2487 u16 vif_index, u8 func_bit_map)
2488{
2489 struct bnx2x_func_state_params func_params = {0};
2490 struct bnx2x_func_afex_viflists_params *update_params =
2491 &func_params.params.afex_viflists;
2492 int rc;
2493 u32 drv_msg_code;
2494
2495 /* validate only LIST_SET and LIST_GET are received from switch */
2496 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2497 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2498 cmd_type);
2499
2500 func_params.f_obj = &bp->func_obj;
2501 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2502
2503 /* set parameters according to cmd_type */
2504 update_params->afex_vif_list_command = cmd_type;
2505 update_params->vif_list_index = cpu_to_le16(vif_index);
2506 update_params->func_bit_map =
2507 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2508 update_params->func_to_clear = 0;
2509 drv_msg_code =
2510 (cmd_type == VIF_LIST_RULE_GET) ?
2511 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2512 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2513
2514 /* if ramrod can not be sent, respond to MCP immediately for
2515 * SET and GET requests (other are not triggered from MCP)
2516 */
2517 rc = bnx2x_func_state_change(bp, &func_params);
2518 if (rc < 0)
2519 bnx2x_fw_command(bp, drv_msg_code, 0);
2520
2521 return 0;
2522}
2523
2524static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2525{
2526 struct afex_stats afex_stats;
2527 u32 func = BP_ABS_FUNC(bp);
2528 u32 mf_config;
2529 u16 vlan_val;
2530 u32 vlan_prio;
2531 u16 vif_id;
2532 u8 allowed_prio;
2533 u8 vlan_mode;
2534 u32 addr_to_write, vifid, addrs, stats_type, i;
2535
2536 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2537 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2538 DP(BNX2X_MSG_MCP,
2539 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2540 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2541 }
2542
2543 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2544 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2545 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2546 DP(BNX2X_MSG_MCP,
2547 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2548 vifid, addrs);
2549 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2550 addrs);
2551 }
2552
2553 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2554 addr_to_write = SHMEM2_RD(bp,
2555 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2556 stats_type = SHMEM2_RD(bp,
2557 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2558
2559 DP(BNX2X_MSG_MCP,
2560 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2561 addr_to_write);
2562
2563 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2564
2565 /* write response to scratchpad, for MCP */
2566 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2567 REG_WR(bp, addr_to_write + i*sizeof(u32),
2568 *(((u32 *)(&afex_stats))+i));
2569
2570 /* send ack message to MCP */
2571 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2572 }
2573
2574 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2575 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2576 bp->mf_config[BP_VN(bp)] = mf_config;
2577 DP(BNX2X_MSG_MCP,
2578 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2579 mf_config);
2580
2581 /* if VIF_SET is "enabled" */
2582 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2583 /* set rate limit directly to internal RAM */
2584 struct cmng_init_input cmng_input;
2585 struct rate_shaping_vars_per_vn m_rs_vn;
2586 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2587 u32 addr = BAR_XSTRORM_INTMEM +
2588 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2589
2590 bp->mf_config[BP_VN(bp)] = mf_config;
2591
2592 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2593 m_rs_vn.vn_counter.rate =
2594 cmng_input.vnic_max_rate[BP_VN(bp)];
2595 m_rs_vn.vn_counter.quota =
2596 (m_rs_vn.vn_counter.rate *
2597 RS_PERIODIC_TIMEOUT_USEC) / 8;
2598
2599 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2600
2601 /* read relevant values from mf_cfg struct in shmem */
2602 vif_id =
2603 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2604 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2605 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2606 vlan_val =
2607 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2608 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2609 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2610 vlan_prio = (mf_config &
2611 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2612 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2613 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2614 vlan_mode =
2615 (MF_CFG_RD(bp,
2616 func_mf_config[func].afex_config) &
2617 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2618 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2619 allowed_prio =
2620 (MF_CFG_RD(bp,
2621 func_mf_config[func].afex_config) &
2622 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2623 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2624
2625 /* send ramrod to FW, return in case of failure */
2626 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2627 allowed_prio))
2628 return;
2629
2630 bp->afex_def_vlan_tag = vlan_val;
2631 bp->afex_vlan_mode = vlan_mode;
2632 } else {
2633 /* notify link down because BP->flags is disabled */
2634 bnx2x_link_report(bp);
2635
2636 /* send INVALID VIF ramrod to FW */
2637 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2638
2639 /* Reset the default afex VLAN */
2640 bp->afex_def_vlan_tag = -1;
2641 }
2642 }
2643}
2644
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002645static void bnx2x_pmf_update(struct bnx2x *bp)
2646{
2647 int port = BP_PORT(bp);
2648 u32 val;
2649
2650 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002651 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002652
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002653 /*
2654 * We need the mb() to ensure the ordering between the writing to
2655 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2656 */
2657 smp_mb();
2658
2659 /* queue a periodic task */
2660 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2661
Dmitry Kravkovef018542011-06-14 01:33:57 +00002662 bnx2x_dcbx_pmf_update(bp);
2663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002664 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002665 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002666 if (bp->common.int_block == INT_BLOCK_HC) {
2667 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2668 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002669 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002670 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2671 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2672 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002673
2674 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002675}
2676
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002677/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002678
2679/* slow path */
2680
2681/*
2682 * General service functions
2683 */
2684
Eilon Greenstein2691d512009-08-12 08:22:08 +00002685/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002686u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002688 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002689 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002690 u32 rc = 0;
2691 u32 cnt = 1;
2692 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2693
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002694 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002695 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002696 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2697 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2698
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002699 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2700 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002701
2702 do {
2703 /* let the FW do it's magic ... */
2704 msleep(delay);
2705
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002706 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002707
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002708 /* Give the FW up to 5 second (500*10ms) */
2709 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002710
2711 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2712 cnt*delay, rc, seq);
2713
2714 /* is this a reply to our command? */
2715 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2716 rc &= FW_MSG_CODE_MASK;
2717 else {
2718 /* FW BUG! */
2719 BNX2X_ERR("FW failed to respond!\n");
2720 bnx2x_fw_dump(bp);
2721 rc = 0;
2722 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002723 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002724
2725 return rc;
2726}
2727
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002728
Eric Dumazet1191cb82012-04-27 21:39:21 +00002729static void storm_memset_func_cfg(struct bnx2x *bp,
2730 struct tstorm_eth_function_common_config *tcfg,
2731 u16 abs_fid)
2732{
2733 size_t size = sizeof(struct tstorm_eth_function_common_config);
2734
2735 u32 addr = BAR_TSTRORM_INTMEM +
2736 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2737
2738 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2739}
2740
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002741void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002742{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002743 if (CHIP_IS_E1x(bp)) {
2744 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002745
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002746 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2747 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002748
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002749 /* Enable the function in the FW */
2750 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2751 storm_memset_func_en(bp, p->func_id, 1);
2752
2753 /* spq */
2754 if (p->func_flgs & FUNC_FLG_SPQ) {
2755 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2756 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2757 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2758 }
2759}
2760
Ariel Elior6383c0b2011-07-14 08:31:57 +00002761/**
2762 * bnx2x_get_tx_only_flags - Return common flags
2763 *
2764 * @bp device handle
2765 * @fp queue handle
2766 * @zero_stats TRUE if statistics zeroing is needed
2767 *
2768 * Return the flags that are common for the Tx-only and not normal connections.
2769 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002770static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2771 struct bnx2x_fastpath *fp,
2772 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002773{
2774 unsigned long flags = 0;
2775
2776 /* PF driver will always initialize the Queue to an ACTIVE state */
2777 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2778
Ariel Elior6383c0b2011-07-14 08:31:57 +00002779 /* tx only connections collect statistics (on the same index as the
2780 * parent connection). The statistics are zeroed when the parent
2781 * connection is initialized.
2782 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002783
2784 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2785 if (zero_stats)
2786 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2787
Ariel Elior6383c0b2011-07-14 08:31:57 +00002788
2789 return flags;
2790}
2791
Eric Dumazet1191cb82012-04-27 21:39:21 +00002792static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2793 struct bnx2x_fastpath *fp,
2794 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002795{
2796 unsigned long flags = 0;
2797
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002798 /* calculate other queue flags */
2799 if (IS_MF_SD(bp))
2800 __set_bit(BNX2X_Q_FLG_OV, &flags);
2801
Barak Witkowskia3348722012-04-23 03:04:46 +00002802 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002803 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002804 /* For FCoE - force usage of default priority (for afex) */
2805 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2806 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002807
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002808 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002809 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002810 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002811 if (fp->mode == TPA_MODE_GRO)
2812 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002813 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002814
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002815 if (leading) {
2816 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2817 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2818 }
2819
2820 /* Always set HW VLAN stripping */
2821 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002822
Barak Witkowskia3348722012-04-23 03:04:46 +00002823 /* configure silent vlan removal */
2824 if (IS_MF_AFEX(bp))
2825 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2826
Ariel Elior6383c0b2011-07-14 08:31:57 +00002827
2828 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002829}
2830
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002831static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002832 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2833 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002834{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002835 gen_init->stat_id = bnx2x_stats_id(fp);
2836 gen_init->spcl_id = fp->cl_id;
2837
2838 /* Always use mini-jumbo MTU for FCoE L2 ring */
2839 if (IS_FCOE_FP(fp))
2840 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2841 else
2842 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002843
2844 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002845}
2846
2847static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2848 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2849 struct bnx2x_rxq_setup_params *rxq_init)
2850{
2851 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002852 u16 sge_sz = 0;
2853 u16 tpa_agg_size = 0;
2854
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002855 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002856 pause->sge_th_lo = SGE_TH_LO(bp);
2857 pause->sge_th_hi = SGE_TH_HI(bp);
2858
2859 /* validate SGE ring has enough to cross high threshold */
2860 WARN_ON(bp->dropless_fc &&
2861 pause->sge_th_hi + FW_PREFETCH_CNT >
2862 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2863
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002864 tpa_agg_size = min_t(u32,
2865 (min_t(u32, 8, MAX_SKB_FRAGS) *
2866 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2867 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2868 SGE_PAGE_SHIFT;
2869 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2870 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2871 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2872 0xffff);
2873 }
2874
2875 /* pause - not for e1 */
2876 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002877 pause->bd_th_lo = BD_TH_LO(bp);
2878 pause->bd_th_hi = BD_TH_HI(bp);
2879
2880 pause->rcq_th_lo = RCQ_TH_LO(bp);
2881 pause->rcq_th_hi = RCQ_TH_HI(bp);
2882 /*
2883 * validate that rings have enough entries to cross
2884 * high thresholds
2885 */
2886 WARN_ON(bp->dropless_fc &&
2887 pause->bd_th_hi + FW_PREFETCH_CNT >
2888 bp->rx_ring_size);
2889 WARN_ON(bp->dropless_fc &&
2890 pause->rcq_th_hi + FW_PREFETCH_CNT >
2891 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002892
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002893 pause->pri_map = 1;
2894 }
2895
2896 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002897 rxq_init->dscr_map = fp->rx_desc_mapping;
2898 rxq_init->sge_map = fp->rx_sge_mapping;
2899 rxq_init->rcq_map = fp->rx_comp_mapping;
2900 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002901
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002902 /* This should be a maximum number of data bytes that may be
2903 * placed on the BD (not including paddings).
2904 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002905 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2906 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002907
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002908 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002909 rxq_init->tpa_agg_sz = tpa_agg_size;
2910 rxq_init->sge_buf_sz = sge_sz;
2911 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002912 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002913 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002914
2915 /* Maximum number or simultaneous TPA aggregation for this Queue.
2916 *
2917 * For PF Clients it should be the maximum avaliable number.
2918 * VF driver(s) may want to define it to a smaller value.
2919 */
David S. Miller8decf862011-09-22 03:23:13 -04002920 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002921
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002922 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2923 rxq_init->fw_sb_id = fp->fw_sb_id;
2924
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002925 if (IS_FCOE_FP(fp))
2926 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2927 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002928 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002929 /* configure silent vlan removal
2930 * if multi function mode is afex, then mask default vlan
2931 */
2932 if (IS_MF_AFEX(bp)) {
2933 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2934 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2935 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002936}
2937
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002938static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002939 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2940 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002941{
Merav Sicron65565882012-06-19 07:48:26 +00002942 txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002943 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002944 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2945 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002946
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002947 /*
2948 * set the tss leading client id for TX classfication ==
2949 * leading RSS client id
2950 */
2951 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2952
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002953 if (IS_FCOE_FP(fp)) {
2954 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2955 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2956 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002957}
2958
stephen hemminger8d962862010-10-21 07:50:56 +00002959static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002960{
2961 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002962 struct event_ring_data eq_data = { {0} };
2963 u16 flags;
2964
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002965 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002966 /* reset IGU PF statistics: MSIX + ATTN */
2967 /* PF */
2968 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2969 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2970 (CHIP_MODE_IS_4_PORT(bp) ?
2971 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2972 /* ATTN */
2973 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2974 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2975 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2976 (CHIP_MODE_IS_4_PORT(bp) ?
2977 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2978 }
2979
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002980 /* function setup flags */
2981 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2982
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002983 /* This flag is relevant for E1x only.
2984 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002985 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002986 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002987
2988 func_init.func_flgs = flags;
2989 func_init.pf_id = BP_FUNC(bp);
2990 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002991 func_init.spq_map = bp->spq_mapping;
2992 func_init.spq_prod = bp->spq_prod_idx;
2993
2994 bnx2x_func_init(bp, &func_init);
2995
2996 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2997
2998 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002999 * Congestion management values depend on the link rate
3000 * There is no active link so initial link rate is set to 10 Gbps.
3001 * When the link comes up The congestion management values are
3002 * re-calculated according to the actual link rate.
3003 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003004 bp->link_vars.line_speed = SPEED_10000;
3005 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3006
3007 /* Only the PMF sets the HW */
3008 if (bp->port.pmf)
3009 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3010
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003011 /* init Event Queue */
3012 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3013 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3014 eq_data.producer = bp->eq_prod;
3015 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3016 eq_data.sb_id = DEF_SB_ID;
3017 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3018}
3019
3020
Eilon Greenstein2691d512009-08-12 08:22:08 +00003021static void bnx2x_e1h_disable(struct bnx2x *bp)
3022{
3023 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003024
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003025 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003026
3027 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003028}
3029
3030static void bnx2x_e1h_enable(struct bnx2x *bp)
3031{
3032 int port = BP_PORT(bp);
3033
3034 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3035
Eilon Greenstein2691d512009-08-12 08:22:08 +00003036 /* Tx queue should be only reenabled */
3037 netif_tx_wake_all_queues(bp->dev);
3038
Eilon Greenstein061bc702009-10-15 00:18:47 -07003039 /*
3040 * Should not call netif_carrier_on since it will be called if the link
3041 * is up when checking for link state
3042 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003043}
3044
Barak Witkowski1d187b32011-12-05 22:41:50 +00003045#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3046
3047static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3048{
3049 struct eth_stats_info *ether_stat =
3050 &bp->slowpath->drv_info_to_mcp.ether_stat;
3051
Dan Carpenter786fdf02012-10-02 01:47:46 +00003052 strlcpy(ether_stat->version, DRV_MODULE_VERSION,
3053 ETH_STAT_INFO_VERSION_LEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003054
Barak Witkowski15192a82012-06-19 07:48:28 +00003055 bp->sp_objs[0].mac_obj.get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3056 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3057 ether_stat->mac_local);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003058
3059 ether_stat->mtu_size = bp->dev->mtu;
3060
3061 if (bp->dev->features & NETIF_F_RXCSUM)
3062 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3063 if (bp->dev->features & NETIF_F_TSO)
3064 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3065 ether_stat->feature_flags |= bp->common.boot_mode;
3066
3067 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3068
3069 ether_stat->txq_size = bp->tx_ring_size;
3070 ether_stat->rxq_size = bp->rx_ring_size;
3071}
3072
3073static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3074{
3075 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3076 struct fcoe_stats_info *fcoe_stat =
3077 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3078
Merav Sicron55c11942012-11-07 00:45:48 +00003079 if (!CNIC_LOADED(bp))
3080 return;
3081
Barak Witkowski2e499d32012-06-26 01:31:19 +00003082 memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT,
3083 bp->fip_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003084
3085 fcoe_stat->qos_priority =
3086 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3087
3088 /* insert FCoE stats from ramrod response */
3089 if (!NO_FCOE(bp)) {
3090 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003091 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003092 tstorm_queue_statistics;
3093
3094 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
Merav Sicron65565882012-06-19 07:48:26 +00003095 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
Barak Witkowski1d187b32011-12-05 22:41:50 +00003096 xstorm_queue_statistics;
3097
3098 struct fcoe_statistics_params *fw_fcoe_stat =
3099 &bp->fw_stats_data->fcoe;
3100
3101 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3102 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3103
3104 ADD_64(fcoe_stat->rx_bytes_hi,
3105 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3106 fcoe_stat->rx_bytes_lo,
3107 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3108
3109 ADD_64(fcoe_stat->rx_bytes_hi,
3110 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3111 fcoe_stat->rx_bytes_lo,
3112 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3113
3114 ADD_64(fcoe_stat->rx_bytes_hi,
3115 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3116 fcoe_stat->rx_bytes_lo,
3117 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3118
3119 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3120 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3121
3122 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3123 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3124
3125 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3126 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3127
3128 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003129 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003130
3131 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3132 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3133
3134 ADD_64(fcoe_stat->tx_bytes_hi,
3135 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3136 fcoe_stat->tx_bytes_lo,
3137 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3138
3139 ADD_64(fcoe_stat->tx_bytes_hi,
3140 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3141 fcoe_stat->tx_bytes_lo,
3142 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3143
3144 ADD_64(fcoe_stat->tx_bytes_hi,
3145 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3146 fcoe_stat->tx_bytes_lo,
3147 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3148
3149 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3150 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3151
3152 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3153 fcoe_q_xstorm_stats->ucast_pkts_sent);
3154
3155 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3156 fcoe_q_xstorm_stats->bcast_pkts_sent);
3157
3158 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3159 fcoe_q_xstorm_stats->mcast_pkts_sent);
3160 }
3161
Barak Witkowski1d187b32011-12-05 22:41:50 +00003162 /* ask L5 driver to add data to the struct */
3163 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003164}
3165
3166static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3167{
3168 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3169 struct iscsi_stats_info *iscsi_stat =
3170 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3171
Merav Sicron55c11942012-11-07 00:45:48 +00003172 if (!CNIC_LOADED(bp))
3173 return;
3174
Barak Witkowski2e499d32012-06-26 01:31:19 +00003175 memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT,
3176 bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003177
3178 iscsi_stat->qos_priority =
3179 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3180
Barak Witkowski1d187b32011-12-05 22:41:50 +00003181 /* ask L5 driver to add data to the struct */
3182 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003183}
3184
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003185/* called due to MCP event (on pmf):
3186 * reread new bandwidth configuration
3187 * configure FW
3188 * notify others function about the change
3189 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003190static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003191{
3192 if (bp->link_vars.link_up) {
3193 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3194 bnx2x_link_sync_notify(bp);
3195 }
3196 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3197}
3198
Eric Dumazet1191cb82012-04-27 21:39:21 +00003199static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003200{
3201 bnx2x_config_mf_bw(bp);
3202 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3203}
3204
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003205static void bnx2x_handle_eee_event(struct bnx2x *bp)
3206{
3207 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3208 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3209}
3210
Barak Witkowski1d187b32011-12-05 22:41:50 +00003211static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3212{
3213 enum drv_info_opcode op_code;
3214 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3215
3216 /* if drv_info version supported by MFW doesn't match - send NACK */
3217 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3218 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3219 return;
3220 }
3221
3222 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3223 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3224
3225 memset(&bp->slowpath->drv_info_to_mcp, 0,
3226 sizeof(union drv_info_to_mcp));
3227
3228 switch (op_code) {
3229 case ETH_STATS_OPCODE:
3230 bnx2x_drv_info_ether_stat(bp);
3231 break;
3232 case FCOE_STATS_OPCODE:
3233 bnx2x_drv_info_fcoe_stat(bp);
3234 break;
3235 case ISCSI_STATS_OPCODE:
3236 bnx2x_drv_info_iscsi_stat(bp);
3237 break;
3238 default:
3239 /* if op code isn't supported - send NACK */
3240 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3241 return;
3242 }
3243
3244 /* if we got drv_info attn from MFW then these fields are defined in
3245 * shmem2 for sure
3246 */
3247 SHMEM2_WR(bp, drv_info_host_addr_lo,
3248 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3249 SHMEM2_WR(bp, drv_info_host_addr_hi,
3250 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3251
3252 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3253}
3254
Eilon Greenstein2691d512009-08-12 08:22:08 +00003255static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3256{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003257 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003258
3259 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3260
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003261 /*
3262 * This is the only place besides the function initialization
3263 * where the bp->flags can change so it is done without any
3264 * locks
3265 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003266 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003267 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003268 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003269
3270 bnx2x_e1h_disable(bp);
3271 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003272 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003273 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003274
3275 bnx2x_e1h_enable(bp);
3276 }
3277 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3278 }
3279 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003280 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003281 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3282 }
3283
3284 /* Report results to MCP */
3285 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003286 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003287 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003288 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003289}
3290
Michael Chan289129022009-10-10 13:46:53 +00003291/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003292static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003293{
3294 struct eth_spe *next_spe = bp->spq_prod_bd;
3295
3296 if (bp->spq_prod_bd == bp->spq_last_bd) {
3297 bp->spq_prod_bd = bp->spq;
3298 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003299 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan289129022009-10-10 13:46:53 +00003300 } else {
3301 bp->spq_prod_bd++;
3302 bp->spq_prod_idx++;
3303 }
3304 return next_spe;
3305}
3306
3307/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003308static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan289129022009-10-10 13:46:53 +00003309{
3310 int func = BP_FUNC(bp);
3311
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003312 /*
3313 * Make sure that BD data is updated before writing the producer:
3314 * BD data is written to the memory, the producer is read from the
3315 * memory, thus we need a full memory barrier to ensure the ordering.
3316 */
3317 mb();
Michael Chan289129022009-10-10 13:46:53 +00003318
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003319 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003320 bp->spq_prod_idx);
Michael Chan289129022009-10-10 13:46:53 +00003321 mmiowb();
3322}
3323
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003324/**
3325 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3326 *
3327 * @cmd: command to check
3328 * @cmd_type: command type
3329 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003330static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003331{
3332 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003333 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003334 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3335 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3336 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3337 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3338 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3339 return true;
3340 else
3341 return false;
3342
3343}
3344
3345
3346/**
3347 * bnx2x_sp_post - place a single command on an SP ring
3348 *
3349 * @bp: driver handle
3350 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3351 * @cid: SW CID the command is related to
3352 * @data_hi: command private data address (high 32 bits)
3353 * @data_lo: command private data address (low 32 bits)
3354 * @cmd_type: command type (e.g. NONE, ETH)
3355 *
3356 * SP data is handled as if it's always an address pair, thus data fields are
3357 * not swapped to little endian in upper functions. Instead this function swaps
3358 * data as if it's two u32 fields.
3359 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003360int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003361 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003362{
Michael Chan289129022009-10-10 13:46:53 +00003363 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003364 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003365 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003366
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003367#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003368 if (unlikely(bp->panic)) {
3369 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003370 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003371 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003372#endif
3373
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003374 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003375
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003376 if (common) {
3377 if (!atomic_read(&bp->eq_spq_left)) {
3378 BNX2X_ERR("BUG! EQ ring full!\n");
3379 spin_unlock_bh(&bp->spq_lock);
3380 bnx2x_panic();
3381 return -EBUSY;
3382 }
3383 } else if (!atomic_read(&bp->cq_spq_left)) {
3384 BNX2X_ERR("BUG! SPQ ring full!\n");
3385 spin_unlock_bh(&bp->spq_lock);
3386 bnx2x_panic();
3387 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003388 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003389
Michael Chan289129022009-10-10 13:46:53 +00003390 spe = bnx2x_sp_get_next(bp);
3391
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003392 /* CID needs port number to be encoded int it */
Michael Chan289129022009-10-10 13:46:53 +00003393 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003394 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3395 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003396
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003397 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003398
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003399 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3400 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003401
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003402 spe->hdr.type = cpu_to_le16(type);
3403
3404 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3405 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3406
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003407 /*
3408 * It's ok if the actual decrement is issued towards the memory
3409 * somewhere between the spin_lock and spin_unlock. Thus no
3410 * more explict memory barrier is needed.
3411 */
3412 if (common)
3413 atomic_dec(&bp->eq_spq_left);
3414 else
3415 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003416
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003417
Merav Sicron51c1a582012-03-18 10:33:38 +00003418 DP(BNX2X_MSG_SP,
3419 "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 +00003420 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3421 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003422 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003423 HW_CID(bp, cid), data_hi, data_lo, type,
3424 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003425
Michael Chan289129022009-10-10 13:46:53 +00003426 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003427 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003428 return 0;
3429}
3430
3431/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003432static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003433{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003434 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003435 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003436
3437 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003438 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003439 val = (1UL << 31);
3440 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3441 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3442 if (val & (1L << 31))
3443 break;
3444
3445 msleep(5);
3446 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003447 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003448 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003449 rc = -EBUSY;
3450 }
3451
3452 return rc;
3453}
3454
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003455/* release split MCP access lock register */
3456static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003457{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003458 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003459}
3460
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003461#define BNX2X_DEF_SB_ATT_IDX 0x0001
3462#define BNX2X_DEF_SB_IDX 0x0002
3463
Eric Dumazet1191cb82012-04-27 21:39:21 +00003464static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003465{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003466 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003467 u16 rc = 0;
3468
3469 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003470 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3471 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003472 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003473 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003474
3475 if (bp->def_idx != def_sb->sp_sb.running_index) {
3476 bp->def_idx = def_sb->sp_sb.running_index;
3477 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003478 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003479
3480 /* Do not reorder: indecies reading should complete before handling */
3481 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003482 return rc;
3483}
3484
3485/*
3486 * slow path service functions
3487 */
3488
3489static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3490{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003491 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003492 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3493 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003494 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3495 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003496 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003497 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003498 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003499
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003500 if (bp->attn_state & asserted)
3501 BNX2X_ERR("IGU ERROR\n");
3502
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003503 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3504 aeu_mask = REG_RD(bp, aeu_addr);
3505
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003506 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003507 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003508 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003509 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003510
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003511 REG_WR(bp, aeu_addr, aeu_mask);
3512 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003513
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003514 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003515 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003516 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003517
3518 if (asserted & ATTN_HARD_WIRED_MASK) {
3519 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003520
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003521 bnx2x_acquire_phy_lock(bp);
3522
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003523 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003524 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003525
Yaniv Rosner361c3912011-06-14 01:33:19 +00003526 /* If nig_mask is not set, no need to call the update
3527 * function.
3528 */
3529 if (nig_mask) {
3530 REG_WR(bp, nig_int_mask_addr, 0);
3531
3532 bnx2x_link_attn(bp);
3533 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003534
3535 /* handle unicore attn? */
3536 }
3537 if (asserted & ATTN_SW_TIMER_4_FUNC)
3538 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3539
3540 if (asserted & GPIO_2_FUNC)
3541 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3542
3543 if (asserted & GPIO_3_FUNC)
3544 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3545
3546 if (asserted & GPIO_4_FUNC)
3547 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3548
3549 if (port == 0) {
3550 if (asserted & ATTN_GENERAL_ATTN_1) {
3551 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3552 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3553 }
3554 if (asserted & ATTN_GENERAL_ATTN_2) {
3555 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3556 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3557 }
3558 if (asserted & ATTN_GENERAL_ATTN_3) {
3559 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3560 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3561 }
3562 } else {
3563 if (asserted & ATTN_GENERAL_ATTN_4) {
3564 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3565 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3566 }
3567 if (asserted & ATTN_GENERAL_ATTN_5) {
3568 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3569 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3570 }
3571 if (asserted & ATTN_GENERAL_ATTN_6) {
3572 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3573 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3574 }
3575 }
3576
3577 } /* if hardwired */
3578
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003579 if (bp->common.int_block == INT_BLOCK_HC)
3580 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3581 COMMAND_REG_ATTN_BITS_SET);
3582 else
3583 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3584
3585 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3586 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3587 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003588
3589 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003590 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003591 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003592 bnx2x_release_phy_lock(bp);
3593 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003594}
3595
Eric Dumazet1191cb82012-04-27 21:39:21 +00003596static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003597{
3598 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003599 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003600 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003601 ext_phy_config =
3602 SHMEM_RD(bp,
3603 dev_info.port_hw_config[port].external_phy_config);
3604
3605 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3606 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003607 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003608 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003609
3610 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003611 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3612 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003613
3614 /*
3615 * Scheudle device reset (unload)
3616 * This is due to some boards consuming sufficient power when driver is
3617 * up to overheat if fan fails.
3618 */
3619 smp_mb__before_clear_bit();
3620 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3621 smp_mb__after_clear_bit();
3622 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3623
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003624}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003625
Eric Dumazet1191cb82012-04-27 21:39:21 +00003626static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003627{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003628 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003629 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003630 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003631
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003632 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3633 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003634
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003635 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003636
3637 val = REG_RD(bp, reg_offset);
3638 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3639 REG_WR(bp, reg_offset, val);
3640
3641 BNX2X_ERR("SPIO5 hw attention\n");
3642
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003643 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003644 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003645 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003646 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003647
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003648 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003649 bnx2x_acquire_phy_lock(bp);
3650 bnx2x_handle_module_detect_int(&bp->link_params);
3651 bnx2x_release_phy_lock(bp);
3652 }
3653
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003654 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3655
3656 val = REG_RD(bp, reg_offset);
3657 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3658 REG_WR(bp, reg_offset, val);
3659
3660 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003661 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003662 bnx2x_panic();
3663 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003664}
3665
Eric Dumazet1191cb82012-04-27 21:39:21 +00003666static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003667{
3668 u32 val;
3669
Eilon Greenstein0626b892009-02-12 08:38:14 +00003670 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003671
3672 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3673 BNX2X_ERR("DB hw attention 0x%x\n", val);
3674 /* DORQ discard attention */
3675 if (val & 0x2)
3676 BNX2X_ERR("FATAL error from DORQ\n");
3677 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003678
3679 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3680
3681 int port = BP_PORT(bp);
3682 int reg_offset;
3683
3684 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3685 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3686
3687 val = REG_RD(bp, reg_offset);
3688 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3689 REG_WR(bp, reg_offset, val);
3690
3691 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003692 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003693 bnx2x_panic();
3694 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003695}
3696
Eric Dumazet1191cb82012-04-27 21:39:21 +00003697static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003698{
3699 u32 val;
3700
3701 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3702
3703 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3704 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3705 /* CFC error attention */
3706 if (val & 0x2)
3707 BNX2X_ERR("FATAL error from CFC\n");
3708 }
3709
3710 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003711 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003712 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003713 /* RQ_USDMDP_FIFO_OVERFLOW */
3714 if (val & 0x18000)
3715 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003716
3717 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003718 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3719 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3720 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003721 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003722
3723 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3724
3725 int port = BP_PORT(bp);
3726 int reg_offset;
3727
3728 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3729 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3730
3731 val = REG_RD(bp, reg_offset);
3732 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3733 REG_WR(bp, reg_offset, val);
3734
3735 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003736 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003737 bnx2x_panic();
3738 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003739}
3740
Eric Dumazet1191cb82012-04-27 21:39:21 +00003741static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003742{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003743 u32 val;
3744
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003745 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3746
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003747 if (attn & BNX2X_PMF_LINK_ASSERT) {
3748 int func = BP_FUNC(bp);
3749
3750 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003751 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003752 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3753 func_mf_config[BP_ABS_FUNC(bp)].config);
3754 val = SHMEM_RD(bp,
3755 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003756 if (val & DRV_STATUS_DCC_EVENT_MASK)
3757 bnx2x_dcc_event(bp,
3758 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003759
3760 if (val & DRV_STATUS_SET_MF_BW)
3761 bnx2x_set_mf_bw(bp);
3762
Barak Witkowski1d187b32011-12-05 22:41:50 +00003763 if (val & DRV_STATUS_DRV_INFO_REQ)
3764 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003765 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003766 bnx2x_pmf_update(bp);
3767
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003768 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003769 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3770 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003771 /* start dcbx state machine */
3772 bnx2x_dcbx_set_params(bp,
3773 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003774 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3775 bnx2x_handle_afex_cmd(bp,
3776 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003777 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3778 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003779 if (bp->link_vars.periodic_flags &
3780 PERIODIC_FLAGS_LINK_EVENT) {
3781 /* sync with link */
3782 bnx2x_acquire_phy_lock(bp);
3783 bp->link_vars.periodic_flags &=
3784 ~PERIODIC_FLAGS_LINK_EVENT;
3785 bnx2x_release_phy_lock(bp);
3786 if (IS_MF(bp))
3787 bnx2x_link_sync_notify(bp);
3788 bnx2x_link_report(bp);
3789 }
3790 /* Always call it here: bnx2x_link_report() will
3791 * prevent the link indication duplication.
3792 */
3793 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003794 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003795
3796 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003797 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003798 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3799 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3800 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3801 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3802 bnx2x_panic();
3803
3804 } else if (attn & BNX2X_MCP_ASSERT) {
3805
3806 BNX2X_ERR("MCP assert!\n");
3807 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003808 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003809
3810 } else
3811 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3812 }
3813
3814 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003815 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3816 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003817 val = CHIP_IS_E1(bp) ? 0 :
3818 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003819 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3820 }
3821 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003822 val = CHIP_IS_E1(bp) ? 0 :
3823 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003824 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3825 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003826 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003827 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003828}
3829
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003830/*
3831 * Bits map:
3832 * 0-7 - Engine0 load counter.
3833 * 8-15 - Engine1 load counter.
3834 * 16 - Engine0 RESET_IN_PROGRESS bit.
3835 * 17 - Engine1 RESET_IN_PROGRESS bit.
3836 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3837 * on the engine
3838 * 19 - Engine1 ONE_IS_LOADED.
3839 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3840 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3841 * just the one belonging to its engine).
3842 *
3843 */
3844#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3845
3846#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3847#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3848#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3849#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3850#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3851#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3852#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003853
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003854/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003855 * Set the GLOBAL_RESET bit.
3856 *
3857 * Should be run under rtnl lock
3858 */
3859void bnx2x_set_reset_global(struct bnx2x *bp)
3860{
Ariel Eliorf16da432012-01-26 06:01:50 +00003861 u32 val;
3862 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3863 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003864 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003865 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003866}
3867
3868/*
3869 * Clear the GLOBAL_RESET bit.
3870 *
3871 * Should be run under rtnl lock
3872 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003873static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003874{
Ariel Eliorf16da432012-01-26 06:01:50 +00003875 u32 val;
3876 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3877 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003878 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003879 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003880}
3881
3882/*
3883 * Checks the GLOBAL_RESET bit.
3884 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003885 * should be run under rtnl lock
3886 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003887static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003888{
3889 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3890
3891 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3892 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3893}
3894
3895/*
3896 * Clear RESET_IN_PROGRESS bit for the current engine.
3897 *
3898 * Should be run under rtnl lock
3899 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003900static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003901{
Ariel Eliorf16da432012-01-26 06:01:50 +00003902 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003903 u32 bit = BP_PATH(bp) ?
3904 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003905 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3906 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003907
3908 /* Clear the bit */
3909 val &= ~bit;
3910 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003911
3912 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003913}
3914
3915/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003916 * Set RESET_IN_PROGRESS for the current engine.
3917 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003918 * should be run under rtnl lock
3919 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003920void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003921{
Ariel Eliorf16da432012-01-26 06:01:50 +00003922 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003923 u32 bit = BP_PATH(bp) ?
3924 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003925 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3926 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003927
3928 /* Set the bit */
3929 val |= bit;
3930 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003931 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003932}
3933
3934/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003935 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003936 * should be run under rtnl lock
3937 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003938bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003939{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003940 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3941 u32 bit = engine ?
3942 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3943
3944 /* return false if bit is set */
3945 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003946}
3947
3948/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003949 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003950 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003951 * should be run under rtnl lock
3952 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003953void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003954{
Ariel Eliorf16da432012-01-26 06:01:50 +00003955 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003956 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3957 BNX2X_PATH0_LOAD_CNT_MASK;
3958 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3959 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003960
Ariel Eliorf16da432012-01-26 06:01:50 +00003961 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3962 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3963
Merav Sicron51c1a582012-03-18 10:33:38 +00003964 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003965
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003966 /* get the current counter value */
3967 val1 = (val & mask) >> shift;
3968
Ariel Elior889b9af2012-01-26 06:01:51 +00003969 /* set bit of that PF */
3970 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003971
3972 /* clear the old value */
3973 val &= ~mask;
3974
3975 /* set the new one */
3976 val |= ((val1 << shift) & mask);
3977
3978 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003979 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003980}
3981
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003982/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003983 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003984 *
3985 * @bp: driver handle
3986 *
3987 * Should be run under rtnl lock.
3988 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003989 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003990 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003991bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003992{
Ariel Eliorf16da432012-01-26 06:01:50 +00003993 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003994 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3995 BNX2X_PATH0_LOAD_CNT_MASK;
3996 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3997 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003998
Ariel Eliorf16da432012-01-26 06:01:50 +00003999 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4000 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00004001 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004002
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004003 /* get the current counter value */
4004 val1 = (val & mask) >> shift;
4005
Ariel Elior889b9af2012-01-26 06:01:51 +00004006 /* clear bit of that PF */
4007 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004008
4009 /* clear the old value */
4010 val &= ~mask;
4011
4012 /* set the new one */
4013 val |= ((val1 << shift) & mask);
4014
4015 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00004016 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4017 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004018}
4019
4020/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004021 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004022 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004023 * should be run under rtnl lock
4024 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004025static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004026{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004027 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4028 BNX2X_PATH0_LOAD_CNT_MASK);
4029 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4030 BNX2X_PATH0_LOAD_CNT_SHIFT);
4031 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4032
Merav Sicron51c1a582012-03-18 10:33:38 +00004033 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004034
4035 val = (val & mask) >> shift;
4036
Merav Sicron51c1a582012-03-18 10:33:38 +00004037 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4038 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004039
Ariel Elior889b9af2012-01-26 06:01:51 +00004040 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004041}
4042
Eric Dumazet1191cb82012-04-27 21:39:21 +00004043static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004044{
Joe Perchesf1deab52011-08-14 12:16:21 +00004045 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004046}
4047
Eric Dumazet1191cb82012-04-27 21:39:21 +00004048static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4049 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004050{
4051 int i = 0;
4052 u32 cur_bit = 0;
4053 for (i = 0; sig; i++) {
4054 cur_bit = ((u32)0x1 << i);
4055 if (sig & cur_bit) {
4056 switch (cur_bit) {
4057 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004058 if (print)
4059 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004060 break;
4061 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004062 if (print)
4063 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004064 break;
4065 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004066 if (print)
4067 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004068 break;
4069 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004070 if (print)
4071 _print_next_block(par_num++,
4072 "SEARCHER");
4073 break;
4074 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4075 if (print)
4076 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004077 break;
4078 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004079 if (print)
4080 _print_next_block(par_num++, "TSEMI");
4081 break;
4082 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4083 if (print)
4084 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004085 break;
4086 }
4087
4088 /* Clear the bit */
4089 sig &= ~cur_bit;
4090 }
4091 }
4092
4093 return par_num;
4094}
4095
Eric Dumazet1191cb82012-04-27 21:39:21 +00004096static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4097 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004098{
4099 int i = 0;
4100 u32 cur_bit = 0;
4101 for (i = 0; sig; i++) {
4102 cur_bit = ((u32)0x1 << i);
4103 if (sig & cur_bit) {
4104 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004105 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4106 if (print)
4107 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004108 break;
4109 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004110 if (print)
4111 _print_next_block(par_num++, "QM");
4112 break;
4113 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4114 if (print)
4115 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004116 break;
4117 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004118 if (print)
4119 _print_next_block(par_num++, "XSDM");
4120 break;
4121 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4122 if (print)
4123 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004124 break;
4125 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004126 if (print)
4127 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004128 break;
4129 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004130 if (print)
4131 _print_next_block(par_num++,
4132 "DOORBELLQ");
4133 break;
4134 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4135 if (print)
4136 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004137 break;
4138 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004139 if (print)
4140 _print_next_block(par_num++,
4141 "VAUX PCI CORE");
4142 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004143 break;
4144 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004145 if (print)
4146 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004147 break;
4148 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004149 if (print)
4150 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004151 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004152 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4153 if (print)
4154 _print_next_block(par_num++, "UCM");
4155 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004156 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004157 if (print)
4158 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004159 break;
4160 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004161 if (print)
4162 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004163 break;
4164 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004165 if (print)
4166 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004167 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004168 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4169 if (print)
4170 _print_next_block(par_num++, "CCM");
4171 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004172 }
4173
4174 /* Clear the bit */
4175 sig &= ~cur_bit;
4176 }
4177 }
4178
4179 return par_num;
4180}
4181
Eric Dumazet1191cb82012-04-27 21:39:21 +00004182static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4183 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004184{
4185 int i = 0;
4186 u32 cur_bit = 0;
4187 for (i = 0; sig; i++) {
4188 cur_bit = ((u32)0x1 << i);
4189 if (sig & cur_bit) {
4190 switch (cur_bit) {
4191 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004192 if (print)
4193 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004194 break;
4195 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004196 if (print)
4197 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004198 break;
4199 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004200 if (print)
4201 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004202 "PXPPCICLOCKCLIENT");
4203 break;
4204 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004205 if (print)
4206 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004207 break;
4208 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004209 if (print)
4210 _print_next_block(par_num++, "CDU");
4211 break;
4212 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4213 if (print)
4214 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004215 break;
4216 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004217 if (print)
4218 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004219 break;
4220 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004221 if (print)
4222 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004223 break;
4224 }
4225
4226 /* Clear the bit */
4227 sig &= ~cur_bit;
4228 }
4229 }
4230
4231 return par_num;
4232}
4233
Eric Dumazet1191cb82012-04-27 21:39:21 +00004234static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4235 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004236{
4237 int i = 0;
4238 u32 cur_bit = 0;
4239 for (i = 0; sig; i++) {
4240 cur_bit = ((u32)0x1 << i);
4241 if (sig & cur_bit) {
4242 switch (cur_bit) {
4243 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004244 if (print)
4245 _print_next_block(par_num++, "MCP ROM");
4246 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004247 break;
4248 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004249 if (print)
4250 _print_next_block(par_num++,
4251 "MCP UMP RX");
4252 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004253 break;
4254 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004255 if (print)
4256 _print_next_block(par_num++,
4257 "MCP UMP TX");
4258 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004259 break;
4260 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004261 if (print)
4262 _print_next_block(par_num++,
4263 "MCP SCPAD");
4264 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004265 break;
4266 }
4267
4268 /* Clear the bit */
4269 sig &= ~cur_bit;
4270 }
4271 }
4272
4273 return par_num;
4274}
4275
Eric Dumazet1191cb82012-04-27 21:39:21 +00004276static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4277 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004278{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004279 int i = 0;
4280 u32 cur_bit = 0;
4281 for (i = 0; sig; i++) {
4282 cur_bit = ((u32)0x1 << i);
4283 if (sig & cur_bit) {
4284 switch (cur_bit) {
4285 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4286 if (print)
4287 _print_next_block(par_num++, "PGLUE_B");
4288 break;
4289 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4290 if (print)
4291 _print_next_block(par_num++, "ATC");
4292 break;
4293 }
4294
4295 /* Clear the bit */
4296 sig &= ~cur_bit;
4297 }
4298 }
4299
4300 return par_num;
4301}
4302
Eric Dumazet1191cb82012-04-27 21:39:21 +00004303static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4304 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004305{
4306 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4307 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4308 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4309 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4310 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004311 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004312 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4313 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004314 sig[0] & HW_PRTY_ASSERT_SET_0,
4315 sig[1] & HW_PRTY_ASSERT_SET_1,
4316 sig[2] & HW_PRTY_ASSERT_SET_2,
4317 sig[3] & HW_PRTY_ASSERT_SET_3,
4318 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004319 if (print)
4320 netdev_err(bp->dev,
4321 "Parity errors detected in blocks: ");
4322 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004323 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004324 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004325 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004326 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004327 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004328 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004329 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4330 par_num = bnx2x_check_blocks_with_parity4(
4331 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4332
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004333 if (print)
4334 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004335
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004336 return true;
4337 } else
4338 return false;
4339}
4340
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004341/**
4342 * bnx2x_chk_parity_attn - checks for parity attentions.
4343 *
4344 * @bp: driver handle
4345 * @global: true if there was a global attention
4346 * @print: show parity attention in syslog
4347 */
4348bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004349{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004350 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004351 int port = BP_PORT(bp);
4352
4353 attn.sig[0] = REG_RD(bp,
4354 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4355 port*4);
4356 attn.sig[1] = REG_RD(bp,
4357 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4358 port*4);
4359 attn.sig[2] = REG_RD(bp,
4360 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4361 port*4);
4362 attn.sig[3] = REG_RD(bp,
4363 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4364 port*4);
4365
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004366 if (!CHIP_IS_E1x(bp))
4367 attn.sig[4] = REG_RD(bp,
4368 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4369 port*4);
4370
4371 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004372}
4373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004374
Eric Dumazet1191cb82012-04-27 21:39:21 +00004375static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004376{
4377 u32 val;
4378 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4379
4380 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4381 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4382 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004383 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004384 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004385 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004386 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004387 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004388 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004389 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004390 if (val &
4391 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004392 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004393 if (val &
4394 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004395 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004396 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004397 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004398 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004399 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004400 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004401 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004402 }
4403 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4404 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4405 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4406 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4407 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4408 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004409 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004410 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004411 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004412 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004413 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004414 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4415 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4416 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004417 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004418 }
4419
4420 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4421 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4422 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4423 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4424 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4425 }
4426
4427}
4428
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004429static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4430{
4431 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004432 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004433 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004434 u32 reg_addr;
4435 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004436 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004437 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004438
4439 /* need to take HW lock because MCP or other port might also
4440 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004441 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004442
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004443 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4444#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004445 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004446 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004447 /* Disable HW interrupts */
4448 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004449 /* In case of parity errors don't handle attentions so that
4450 * other function would "see" parity errors.
4451 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004452#else
4453 bnx2x_panic();
4454#endif
4455 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004456 return;
4457 }
4458
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004459 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4460 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4461 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4462 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004463 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004464 attn.sig[4] =
4465 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4466 else
4467 attn.sig[4] = 0;
4468
4469 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4470 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004471
4472 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4473 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004474 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004475
Merav Sicron51c1a582012-03-18 10:33:38 +00004476 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004477 index,
4478 group_mask->sig[0], group_mask->sig[1],
4479 group_mask->sig[2], group_mask->sig[3],
4480 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004481
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004482 bnx2x_attn_int_deasserted4(bp,
4483 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004484 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004485 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004486 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004487 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004488 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004489 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004490 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004491 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004492 }
4493 }
4494
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004495 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004496
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004497 if (bp->common.int_block == INT_BLOCK_HC)
4498 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4499 COMMAND_REG_ATTN_BITS_CLR);
4500 else
4501 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004502
4503 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004504 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4505 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004506 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004507
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004508 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004509 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004510
4511 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4512 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4513
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004514 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4515 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004516
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004517 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4518 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004519 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004520 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4521
4522 REG_WR(bp, reg_addr, aeu_mask);
4523 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004524
4525 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4526 bp->attn_state &= ~deasserted;
4527 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4528}
4529
4530static void bnx2x_attn_int(struct bnx2x *bp)
4531{
4532 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004533 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4534 attn_bits);
4535 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4536 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004537 u32 attn_state = bp->attn_state;
4538
4539 /* look for changed bits */
4540 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4541 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4542
4543 DP(NETIF_MSG_HW,
4544 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4545 attn_bits, attn_ack, asserted, deasserted);
4546
4547 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004548 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004549
4550 /* handle bits that were raised */
4551 if (asserted)
4552 bnx2x_attn_int_asserted(bp, asserted);
4553
4554 if (deasserted)
4555 bnx2x_attn_int_deasserted(bp, deasserted);
4556}
4557
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004558void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4559 u16 index, u8 op, u8 update)
4560{
4561 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4562
4563 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4564 igu_addr);
4565}
4566
Eric Dumazet1191cb82012-04-27 21:39:21 +00004567static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004568{
4569 /* No memory barriers */
4570 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4571 mmiowb(); /* keep prod updates ordered */
4572}
4573
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004574static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4575 union event_ring_elem *elem)
4576{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004577 u8 err = elem->message.error;
4578
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004579 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004580 (cid < bp->cnic_eth_dev.starting_cid &&
4581 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004582 return 1;
4583
4584 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4585
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004586 if (unlikely(err)) {
4587
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004588 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4589 cid);
4590 bnx2x_panic_dump(bp);
4591 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004592 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004593 return 0;
4594}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004595
Eric Dumazet1191cb82012-04-27 21:39:21 +00004596static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004597{
4598 struct bnx2x_mcast_ramrod_params rparam;
4599 int rc;
4600
4601 memset(&rparam, 0, sizeof(rparam));
4602
4603 rparam.mcast_obj = &bp->mcast_obj;
4604
4605 netif_addr_lock_bh(bp->dev);
4606
4607 /* Clear pending state for the last command */
4608 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4609
4610 /* If there are pending mcast commands - send them */
4611 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4612 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4613 if (rc < 0)
4614 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4615 rc);
4616 }
4617
4618 netif_addr_unlock_bh(bp->dev);
4619}
4620
Eric Dumazet1191cb82012-04-27 21:39:21 +00004621static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4622 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004623{
4624 unsigned long ramrod_flags = 0;
4625 int rc = 0;
4626 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4627 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4628
4629 /* Always push next commands out, don't wait here */
4630 __set_bit(RAMROD_CONT, &ramrod_flags);
4631
4632 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4633 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004634 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Merav Sicron55c11942012-11-07 00:45:48 +00004635 if (CNIC_LOADED(bp) && (cid == BNX2X_ISCSI_ETH_CID(bp)))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004636 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4637 else
Barak Witkowski15192a82012-06-19 07:48:28 +00004638 vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004639
4640 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004641 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004642 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004643 /* This is only relevant for 57710 where multicast MACs are
4644 * configured as unicast MACs using the same ramrod.
4645 */
4646 bnx2x_handle_mcast_eqe(bp);
4647 return;
4648 default:
4649 BNX2X_ERR("Unsupported classification command: %d\n",
4650 elem->message.data.eth_event.echo);
4651 return;
4652 }
4653
4654 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4655
4656 if (rc < 0)
4657 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4658 else if (rc > 0)
4659 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4660
4661}
4662
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004663static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004664
Eric Dumazet1191cb82012-04-27 21:39:21 +00004665static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004666{
4667 netif_addr_lock_bh(bp->dev);
4668
4669 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4670
4671 /* Send rx_mode command again if was requested */
4672 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4673 bnx2x_set_storm_rx_mode(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004674 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4675 &bp->sp_state))
4676 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4677 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4678 &bp->sp_state))
4679 bnx2x_set_iscsi_eth_rx_mode(bp, false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004680
4681 netif_addr_unlock_bh(bp->dev);
4682}
4683
Eric Dumazet1191cb82012-04-27 21:39:21 +00004684static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004685 union event_ring_elem *elem)
4686{
4687 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4688 DP(BNX2X_MSG_SP,
4689 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4690 elem->message.data.vif_list_event.func_bit_map);
4691 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4692 elem->message.data.vif_list_event.func_bit_map);
4693 } else if (elem->message.data.vif_list_event.echo ==
4694 VIF_LIST_RULE_SET) {
4695 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4696 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4697 }
4698}
4699
4700/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004701static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004702{
4703 int q, rc;
4704 struct bnx2x_fastpath *fp;
4705 struct bnx2x_queue_state_params queue_params = {NULL};
4706 struct bnx2x_queue_update_params *q_update_params =
4707 &queue_params.params.update;
4708
4709 /* Send Q update command with afex vlan removal values for all Qs */
4710 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4711
4712 /* set silent vlan removal values according to vlan mode */
4713 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4714 &q_update_params->update_flags);
4715 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4716 &q_update_params->update_flags);
4717 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4718
4719 /* in access mode mark mask and value are 0 to strip all vlans */
4720 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4721 q_update_params->silent_removal_value = 0;
4722 q_update_params->silent_removal_mask = 0;
4723 } else {
4724 q_update_params->silent_removal_value =
4725 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4726 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4727 }
4728
4729 for_each_eth_queue(bp, q) {
4730 /* Set the appropriate Queue object */
4731 fp = &bp->fp[q];
Barak Witkowski15192a82012-06-19 07:48:28 +00004732 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004733
4734 /* send the ramrod */
4735 rc = bnx2x_queue_state_change(bp, &queue_params);
4736 if (rc < 0)
4737 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4738 q);
4739 }
4740
Barak Witkowskia3348722012-04-23 03:04:46 +00004741 if (!NO_FCOE(bp)) {
Merav Sicron65565882012-06-19 07:48:26 +00004742 fp = &bp->fp[FCOE_IDX(bp)];
Barak Witkowski15192a82012-06-19 07:48:28 +00004743 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Barak Witkowskia3348722012-04-23 03:04:46 +00004744
4745 /* clear pending completion bit */
4746 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4747
4748 /* mark latest Q bit */
4749 smp_mb__before_clear_bit();
4750 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4751 smp_mb__after_clear_bit();
4752
4753 /* send Q update ramrod for FCoE Q */
4754 rc = bnx2x_queue_state_change(bp, &queue_params);
4755 if (rc < 0)
4756 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4757 q);
4758 } else {
4759 /* If no FCoE ring - ACK MCP now */
4760 bnx2x_link_report(bp);
4761 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4762 }
Barak Witkowskia3348722012-04-23 03:04:46 +00004763}
4764
Eric Dumazet1191cb82012-04-27 21:39:21 +00004765static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004766 struct bnx2x *bp, u32 cid)
4767{
Joe Perches94f05b02011-08-14 12:16:20 +00004768 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00004769
4770 if (CNIC_LOADED(bp) && (cid == BNX2X_FCOE_ETH_CID(bp)))
Barak Witkowski15192a82012-06-19 07:48:28 +00004771 return &bnx2x_fcoe_sp_obj(bp, q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004772 else
Barak Witkowski15192a82012-06-19 07:48:28 +00004773 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004774}
4775
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004776static void bnx2x_eq_int(struct bnx2x *bp)
4777{
4778 u16 hw_cons, sw_cons, sw_prod;
4779 union event_ring_elem *elem;
Merav Sicron55c11942012-11-07 00:45:48 +00004780 u8 echo;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004781 u32 cid;
4782 u8 opcode;
4783 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004784 struct bnx2x_queue_sp_obj *q_obj;
4785 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4786 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004787
4788 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4789
4790 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4791 * when we get the the next-page we nned to adjust so the loop
4792 * condition below will be met. The next element is the size of a
4793 * regular element and hence incrementing by 1
4794 */
4795 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4796 hw_cons++;
4797
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004798 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004799 * specific bp, thus there is no need in "paired" read memory
4800 * barrier here.
4801 */
4802 sw_cons = bp->eq_cons;
4803 sw_prod = bp->eq_prod;
4804
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004805 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004806 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004807
4808 for (; sw_cons != hw_cons;
4809 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4810
4811
4812 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4813
4814 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4815 opcode = elem->message.opcode;
4816
4817
4818 /* handle eq element */
4819 switch (opcode) {
4820 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004821 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4822 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004823 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004824 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004825 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004826
4827 case EVENT_RING_OPCODE_CFC_DEL:
4828 /* handle according to cid range */
4829 /*
4830 * we may want to verify here that the bp state is
4831 * HALTING
4832 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004833 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004834 "got delete ramrod for MULTI[%d]\n", cid);
Merav Sicron55c11942012-11-07 00:45:48 +00004835
4836 if (CNIC_LOADED(bp) &&
4837 !bnx2x_cnic_handle_cfc_del(bp, cid, elem))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004838 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00004839
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004840 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4841
4842 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4843 break;
4844
4845
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004846
4847 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004848
4849 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004850 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004851 if (f_obj->complete_cmd(bp, f_obj,
4852 BNX2X_F_CMD_TX_STOP))
4853 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004854 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4855 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004856
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004857 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004858 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004859 if (f_obj->complete_cmd(bp, f_obj,
4860 BNX2X_F_CMD_TX_START))
4861 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004862 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4863 goto next_spqe;
Merav Sicron55c11942012-11-07 00:45:48 +00004864
Barak Witkowskia3348722012-04-23 03:04:46 +00004865 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
Merav Sicron55c11942012-11-07 00:45:48 +00004866 echo = elem->message.data.function_update_event.echo;
4867 if (echo == SWITCH_UPDATE) {
4868 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4869 "got FUNC_SWITCH_UPDATE ramrod\n");
4870 if (f_obj->complete_cmd(
4871 bp, f_obj, BNX2X_F_CMD_SWITCH_UPDATE))
4872 break;
Barak Witkowskia3348722012-04-23 03:04:46 +00004873
Merav Sicron55c11942012-11-07 00:45:48 +00004874 } else {
4875 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4876 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4877 f_obj->complete_cmd(bp, f_obj,
4878 BNX2X_F_CMD_AFEX_UPDATE);
Barak Witkowskia3348722012-04-23 03:04:46 +00004879
Merav Sicron55c11942012-11-07 00:45:48 +00004880 /* We will perform the Queues update from
4881 * sp_rtnl task as all Queue SP operations
4882 * should run under rtnl_lock.
4883 */
4884 smp_mb__before_clear_bit();
4885 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4886 &bp->sp_rtnl_state);
4887 smp_mb__after_clear_bit();
4888
4889 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4890 }
4891
Barak Witkowskia3348722012-04-23 03:04:46 +00004892 goto next_spqe;
4893
4894 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4895 f_obj->complete_cmd(bp, f_obj,
4896 BNX2X_F_CMD_AFEX_VIFLISTS);
4897 bnx2x_after_afex_vif_lists(bp, elem);
4898 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004899 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004900 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4901 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004902 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4903 break;
4904
4905 goto next_spqe;
4906
4907 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004908 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4909 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004910 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4911 break;
4912
4913 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004914 }
4915
4916 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004917 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4918 BNX2X_STATE_OPEN):
4919 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004920 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004921 cid = elem->message.data.eth_event.echo &
4922 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004923 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004924 cid);
4925 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004926 break;
4927
4928 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4929 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004930 case (EVENT_RING_OPCODE_SET_MAC |
4931 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004932 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4933 BNX2X_STATE_OPEN):
4934 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4935 BNX2X_STATE_DIAG):
4936 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4937 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004938 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004939 bnx2x_handle_classification_eqe(bp, elem);
4940 break;
4941
4942 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4943 BNX2X_STATE_OPEN):
4944 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4945 BNX2X_STATE_DIAG):
4946 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4947 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004948 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004949 bnx2x_handle_mcast_eqe(bp);
4950 break;
4951
4952 case (EVENT_RING_OPCODE_FILTERS_RULES |
4953 BNX2X_STATE_OPEN):
4954 case (EVENT_RING_OPCODE_FILTERS_RULES |
4955 BNX2X_STATE_DIAG):
4956 case (EVENT_RING_OPCODE_FILTERS_RULES |
4957 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004958 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004959 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004960 break;
4961 default:
4962 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004963 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4964 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004965 }
4966next_spqe:
4967 spqe_cnt++;
4968 } /* for */
4969
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004970 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004971 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004972
4973 bp->eq_cons = sw_cons;
4974 bp->eq_prod = sw_prod;
4975 /* Make sure that above mem writes were issued towards the memory */
4976 smp_wmb();
4977
4978 /* update producer */
4979 bnx2x_update_eq_prod(bp, bp->eq_prod);
4980}
4981
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004982static void bnx2x_sp_task(struct work_struct *work)
4983{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004984 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004985 u16 status;
4986
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004987 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004988/* if (status == 0) */
4989/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004990
Merav Sicron51c1a582012-03-18 10:33:38 +00004991 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004992
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004993 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004994 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004995 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004996 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004997 }
4998
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004999 /* SP events: STAT_QUERY and others */
5000 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005001 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005002
Merav Sicron55c11942012-11-07 00:45:48 +00005003 if (FCOE_INIT(bp) &&
5004 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005005 /*
5006 * Prevent local bottom-halves from running as
5007 * we are going to change the local NAPI list.
5008 */
5009 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005010 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005011 local_bh_enable();
5012 }
Merav Sicron55c11942012-11-07 00:45:48 +00005013
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005014 /* Handle EQ completions */
5015 bnx2x_eq_int(bp);
5016
5017 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5018 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5019
5020 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005021 }
5022
5023 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005024 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005025 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005026
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005027 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5028 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005029
5030 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5031 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5032 &bp->sp_state)) {
5033 bnx2x_link_report(bp);
5034 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5035 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005036}
5037
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005038irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005039{
5040 struct net_device *dev = dev_instance;
5041 struct bnx2x *bp = netdev_priv(dev);
5042
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005043 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5044 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005045
5046#ifdef BNX2X_STOP_ON_ERROR
5047 if (unlikely(bp->panic))
5048 return IRQ_HANDLED;
5049#endif
5050
Merav Sicron55c11942012-11-07 00:45:48 +00005051 if (CNIC_LOADED(bp)) {
Michael Chan993ac7b2009-10-10 13:46:56 +00005052 struct cnic_ops *c_ops;
5053
5054 rcu_read_lock();
5055 c_ops = rcu_dereference(bp->cnic_ops);
5056 if (c_ops)
5057 c_ops->cnic_handler(bp->cnic_data, NULL);
5058 rcu_read_unlock();
5059 }
Merav Sicron55c11942012-11-07 00:45:48 +00005060
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005061 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005062
5063 return IRQ_HANDLED;
5064}
5065
5066/* end of slow path */
5067
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005068
5069void bnx2x_drv_pulse(struct bnx2x *bp)
5070{
5071 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5072 bp->fw_drv_pulse_wr_seq);
5073}
5074
5075
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005076static void bnx2x_timer(unsigned long data)
5077{
5078 struct bnx2x *bp = (struct bnx2x *) data;
5079
5080 if (!netif_running(bp->dev))
5081 return;
5082
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005083 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005084 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005085 u32 drv_pulse;
5086 u32 mcp_pulse;
5087
5088 ++bp->fw_drv_pulse_wr_seq;
5089 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5090 /* TBD - add SYSTEM_TIME */
5091 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005092 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005093
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005094 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005095 MCP_PULSE_SEQ_MASK);
5096 /* The delta between driver pulse and mcp response
5097 * should be 1 (before mcp response) or 0 (after mcp response)
5098 */
5099 if ((drv_pulse != mcp_pulse) &&
5100 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5101 /* someone lost a heartbeat... */
5102 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5103 drv_pulse, mcp_pulse);
5104 }
5105 }
5106
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005107 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005108 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005109
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005110 mod_timer(&bp->timer, jiffies + bp->current_interval);
5111}
5112
5113/* end of Statistics */
5114
5115/* nic init */
5116
5117/*
5118 * nic init service functions
5119 */
5120
Eric Dumazet1191cb82012-04-27 21:39:21 +00005121static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005122{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005123 u32 i;
5124 if (!(len%4) && !(addr%4))
5125 for (i = 0; i < len; i += 4)
5126 REG_WR(bp, addr + i, fill);
5127 else
5128 for (i = 0; i < len; i++)
5129 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005130
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005131}
5132
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005133/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005134static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5135 int fw_sb_id,
5136 u32 *sb_data_p,
5137 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005138{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005139 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005140 for (index = 0; index < data_size; index++)
5141 REG_WR(bp, BAR_CSTRORM_INTMEM +
5142 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5143 sizeof(u32)*index,
5144 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005145}
5146
Eric Dumazet1191cb82012-04-27 21:39:21 +00005147static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005148{
5149 u32 *sb_data_p;
5150 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005151 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005152 struct hc_status_block_data_e1x sb_data_e1x;
5153
5154 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005155 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005156 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005157 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005158 sb_data_e2.common.p_func.vf_valid = false;
5159 sb_data_p = (u32 *)&sb_data_e2;
5160 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5161 } else {
5162 memset(&sb_data_e1x, 0,
5163 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005164 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005165 sb_data_e1x.common.p_func.vf_valid = false;
5166 sb_data_p = (u32 *)&sb_data_e1x;
5167 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5168 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005169 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5170
5171 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5172 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5173 CSTORM_STATUS_BLOCK_SIZE);
5174 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5175 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5176 CSTORM_SYNC_BLOCK_SIZE);
5177}
5178
5179/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005180static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005181 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005182{
5183 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005184 int i;
5185 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5186 REG_WR(bp, BAR_CSTRORM_INTMEM +
5187 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5188 i*sizeof(u32),
5189 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005190}
5191
Eric Dumazet1191cb82012-04-27 21:39:21 +00005192static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005193{
5194 int func = BP_FUNC(bp);
5195 struct hc_sp_status_block_data sp_sb_data;
5196 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5197
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005198 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005199 sp_sb_data.p_func.vf_valid = false;
5200
5201 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5202
5203 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5204 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5205 CSTORM_SP_STATUS_BLOCK_SIZE);
5206 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5207 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5208 CSTORM_SP_SYNC_BLOCK_SIZE);
5209
5210}
5211
5212
Eric Dumazet1191cb82012-04-27 21:39:21 +00005213static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005214 int igu_sb_id, int igu_seg_id)
5215{
5216 hc_sm->igu_sb_id = igu_sb_id;
5217 hc_sm->igu_seg_id = igu_seg_id;
5218 hc_sm->timer_value = 0xFF;
5219 hc_sm->time_to_expire = 0xFFFFFFFF;
5220}
5221
David S. Miller8decf862011-09-22 03:23:13 -04005222
5223/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005224static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005225{
5226 /* zero out state machine indices */
5227 /* rx indices */
5228 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5229
5230 /* tx indices */
5231 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5232 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5233 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5234 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5235
5236 /* map indices */
5237 /* rx indices */
5238 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5239 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5240
5241 /* tx indices */
5242 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5243 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5244 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5245 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5246 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5247 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5248 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5249 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5250}
5251
stephen hemminger8d962862010-10-21 07:50:56 +00005252static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005253 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5254{
5255 int igu_seg_id;
5256
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005257 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005258 struct hc_status_block_data_e1x sb_data_e1x;
5259 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005260 int data_size;
5261 u32 *sb_data_p;
5262
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005263 if (CHIP_INT_MODE_IS_BC(bp))
5264 igu_seg_id = HC_SEG_ACCESS_NORM;
5265 else
5266 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005267
5268 bnx2x_zero_fp_sb(bp, fw_sb_id);
5269
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005270 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005271 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005272 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005273 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5274 sb_data_e2.common.p_func.vf_id = vfid;
5275 sb_data_e2.common.p_func.vf_valid = vf_valid;
5276 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5277 sb_data_e2.common.same_igu_sb_1b = true;
5278 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5279 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5280 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005281 sb_data_p = (u32 *)&sb_data_e2;
5282 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005283 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005284 } else {
5285 memset(&sb_data_e1x, 0,
5286 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005287 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005288 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5289 sb_data_e1x.common.p_func.vf_id = 0xff;
5290 sb_data_e1x.common.p_func.vf_valid = false;
5291 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5292 sb_data_e1x.common.same_igu_sb_1b = true;
5293 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5294 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5295 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005296 sb_data_p = (u32 *)&sb_data_e1x;
5297 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005298 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005299 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005300
5301 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5302 igu_sb_id, igu_seg_id);
5303 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5304 igu_sb_id, igu_seg_id);
5305
Merav Sicron51c1a582012-03-18 10:33:38 +00005306 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005307
5308 /* write indecies to HW */
5309 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5310}
5311
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005312static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005313 u16 tx_usec, u16 rx_usec)
5314{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005315 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005316 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005317 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5318 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5319 tx_usec);
5320 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5321 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5322 tx_usec);
5323 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5324 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5325 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005326}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005327
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005328static void bnx2x_init_def_sb(struct bnx2x *bp)
5329{
5330 struct host_sp_status_block *def_sb = bp->def_status_blk;
5331 dma_addr_t mapping = bp->def_status_blk_mapping;
5332 int igu_sp_sb_index;
5333 int igu_seg_id;
5334 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005335 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005336 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005337 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005338 int index;
5339 struct hc_sp_status_block_data sp_sb_data;
5340 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5341
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005342 if (CHIP_INT_MODE_IS_BC(bp)) {
5343 igu_sp_sb_index = DEF_SB_IGU_ID;
5344 igu_seg_id = HC_SEG_ACCESS_DEF;
5345 } else {
5346 igu_sp_sb_index = bp->igu_dsb_id;
5347 igu_seg_id = IGU_SEG_ACCESS_DEF;
5348 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005349
5350 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005351 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005352 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005353 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005354
Eliezer Tamir49d66772008-02-28 11:53:13 -08005355 bp->attn_state = 0;
5356
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005357 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5358 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005359 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5360 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005361 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005362 int sindex;
5363 /* take care of sig[0]..sig[4] */
5364 for (sindex = 0; sindex < 4; sindex++)
5365 bp->attn_group[index].sig[sindex] =
5366 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005367
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005368 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005369 /*
5370 * enable5 is separate from the rest of the registers,
5371 * and therefore the address skip is 4
5372 * and not 16 between the different groups
5373 */
5374 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005375 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005376 else
5377 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005378 }
5379
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005380 if (bp->common.int_block == INT_BLOCK_HC) {
5381 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5382 HC_REG_ATTN_MSG0_ADDR_L);
5383
5384 REG_WR(bp, reg_offset, U64_LO(section));
5385 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005386 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005387 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5388 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5389 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005390
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005391 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5392 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005393
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005394 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005395
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005396 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005397 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5398 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5399 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5400 sp_sb_data.igu_seg_id = igu_seg_id;
5401 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005402 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005403 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005404
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005405 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005406
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005407 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005408}
5409
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005410void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005411{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005412 int i;
5413
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005414 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005415 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005416 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005417}
5418
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005419static void bnx2x_init_sp_ring(struct bnx2x *bp)
5420{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005421 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005422 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005423
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005425 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5426 bp->spq_prod_bd = bp->spq;
5427 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428}
5429
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005430static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005431{
5432 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005433 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5434 union event_ring_elem *elem =
5435 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005436
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005437 elem->next_page.addr.hi =
5438 cpu_to_le32(U64_HI(bp->eq_mapping +
5439 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5440 elem->next_page.addr.lo =
5441 cpu_to_le32(U64_LO(bp->eq_mapping +
5442 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005443 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005444 bp->eq_cons = 0;
5445 bp->eq_prod = NUM_EQ_DESC;
5446 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005447 /* we want a warning message before it gets rought... */
5448 atomic_set(&bp->eq_spq_left,
5449 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005450}
5451
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005452
5453/* called with netif_addr_lock_bh() */
5454void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5455 unsigned long rx_mode_flags,
5456 unsigned long rx_accept_flags,
5457 unsigned long tx_accept_flags,
5458 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005459{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005460 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5461 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005462
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005463 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005464
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005465 /* Prepare ramrod parameters */
5466 ramrod_param.cid = 0;
5467 ramrod_param.cl_id = cl_id;
5468 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5469 ramrod_param.func_id = BP_FUNC(bp);
5470
5471 ramrod_param.pstate = &bp->sp_state;
5472 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5473
5474 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5475 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5476
5477 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5478
5479 ramrod_param.ramrod_flags = ramrod_flags;
5480 ramrod_param.rx_mode_flags = rx_mode_flags;
5481
5482 ramrod_param.rx_accept_flags = rx_accept_flags;
5483 ramrod_param.tx_accept_flags = tx_accept_flags;
5484
5485 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5486 if (rc < 0) {
5487 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5488 return;
5489 }
5490}
5491
5492/* called with netif_addr_lock_bh() */
5493void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5494{
5495 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5496 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5497
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005498 if (!NO_FCOE(bp))
5499
5500 /* Configure rx_mode of FCoE Queue */
5501 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005502
5503 switch (bp->rx_mode) {
5504 case BNX2X_RX_MODE_NONE:
5505 /*
5506 * 'drop all' supersedes any accept flags that may have been
5507 * passed to the function.
5508 */
5509 break;
5510 case BNX2X_RX_MODE_NORMAL:
5511 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5512 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5513 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5514
5515 /* internal switching mode */
5516 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5517 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5518 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5519
5520 break;
5521 case BNX2X_RX_MODE_ALLMULTI:
5522 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5523 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5524 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5525
5526 /* internal switching mode */
5527 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5528 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5529 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5530
5531 break;
5532 case BNX2X_RX_MODE_PROMISC:
5533 /* According to deffinition of SI mode, iface in promisc mode
5534 * should receive matched and unmatched (in resolution of port)
5535 * unicast packets.
5536 */
5537 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5538 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5539 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5540 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5541
5542 /* internal switching mode */
5543 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5544 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5545
5546 if (IS_MF_SI(bp))
5547 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5548 else
5549 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5550
5551 break;
5552 default:
5553 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5554 return;
5555 }
5556
5557 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5558 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5559 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5560 }
5561
5562 __set_bit(RAMROD_RX, &ramrod_flags);
5563 __set_bit(RAMROD_TX, &ramrod_flags);
5564
5565 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5566 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005567}
5568
Eilon Greenstein471de712008-08-13 15:49:35 -07005569static void bnx2x_init_internal_common(struct bnx2x *bp)
5570{
5571 int i;
5572
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005573 if (IS_MF_SI(bp))
5574 /*
5575 * In switch independent mode, the TSTORM needs to accept
5576 * packets that failed classification, since approximate match
5577 * mac addresses aren't written to NIG LLH
5578 */
5579 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5580 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005581 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5582 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5583 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005584
Eilon Greenstein471de712008-08-13 15:49:35 -07005585 /* Zero this manually as its initialization is
5586 currently missing in the initTool */
5587 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5588 REG_WR(bp, BAR_USTRORM_INTMEM +
5589 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005590 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005591 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5592 CHIP_INT_MODE_IS_BC(bp) ?
5593 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5594 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005595}
5596
Eilon Greenstein471de712008-08-13 15:49:35 -07005597static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5598{
5599 switch (load_code) {
5600 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005601 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005602 bnx2x_init_internal_common(bp);
5603 /* no break */
5604
5605 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005606 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005607 /* no break */
5608
5609 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005610 /* internal memory per function is
5611 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005612 break;
5613
5614 default:
5615 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5616 break;
5617 }
5618}
5619
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005620static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5621{
Merav Sicron55c11942012-11-07 00:45:48 +00005622 return fp->bp->igu_base_sb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005623}
5624
5625static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5626{
Merav Sicron55c11942012-11-07 00:45:48 +00005627 return fp->bp->base_fw_ndsb + fp->index + CNIC_SUPPORT(fp->bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005628}
5629
Eric Dumazet1191cb82012-04-27 21:39:21 +00005630static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005631{
5632 if (CHIP_IS_E1x(fp->bp))
5633 return BP_L_ID(fp->bp) + fp->index;
5634 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5635 return bnx2x_fp_igu_sb_id(fp);
5636}
5637
Ariel Elior6383c0b2011-07-14 08:31:57 +00005638static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005639{
5640 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005641 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005642 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005643 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005644 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005645 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005646 fp->cl_id = bnx2x_fp_cl_id(fp);
5647 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5648 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005649 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005650 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5651
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005652 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005653 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005654
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005655 /* Setup SB indicies */
5656 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005657
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005658 /* Configure Queue State object */
5659 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5660 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005661
5662 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5663
5664 /* init tx data */
5665 for_each_cos_in_tx_queue(fp, cos) {
Merav Sicron65565882012-06-19 07:48:26 +00005666 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
5667 CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
5668 FP_COS_TO_TXQ(fp, cos, bp),
5669 BNX2X_TX_SB_INDEX_BASE + cos, fp);
5670 cids[cos] = fp->txdata_ptr[cos]->cid;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005671 }
5672
Barak Witkowski15192a82012-06-19 07:48:28 +00005673 bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
5674 fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
Ariel Elior6383c0b2011-07-14 08:31:57 +00005675 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005676
5677 /**
5678 * Configure classification DBs: Always enable Tx switching
5679 */
5680 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5681
Merav Sicron51c1a582012-03-18 10:33:38 +00005682 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 +03005683 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005684 fp->igu_sb_id);
5685 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5686 fp->fw_sb_id, fp->igu_sb_id);
5687
5688 bnx2x_update_fpsb_idx(fp);
5689}
5690
Eric Dumazet1191cb82012-04-27 21:39:21 +00005691static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5692{
5693 int i;
5694
5695 for (i = 1; i <= NUM_TX_RINGS; i++) {
5696 struct eth_tx_next_bd *tx_next_bd =
5697 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5698
5699 tx_next_bd->addr_hi =
5700 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5701 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5702 tx_next_bd->addr_lo =
5703 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5704 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5705 }
5706
5707 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5708 txdata->tx_db.data.zero_fill1 = 0;
5709 txdata->tx_db.data.prod = 0;
5710
5711 txdata->tx_pkt_prod = 0;
5712 txdata->tx_pkt_cons = 0;
5713 txdata->tx_bd_prod = 0;
5714 txdata->tx_bd_cons = 0;
5715 txdata->tx_pkt = 0;
5716}
5717
Merav Sicron55c11942012-11-07 00:45:48 +00005718static void bnx2x_init_tx_rings_cnic(struct bnx2x *bp)
5719{
5720 int i;
5721
5722 for_each_tx_queue_cnic(bp, i)
5723 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[0]);
5724}
Eric Dumazet1191cb82012-04-27 21:39:21 +00005725static void bnx2x_init_tx_rings(struct bnx2x *bp)
5726{
5727 int i;
5728 u8 cos;
5729
Merav Sicron55c11942012-11-07 00:45:48 +00005730 for_each_eth_queue(bp, i)
Eric Dumazet1191cb82012-04-27 21:39:21 +00005731 for_each_cos_in_tx_queue(&bp->fp[i], cos)
Merav Sicron65565882012-06-19 07:48:26 +00005732 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
Eric Dumazet1191cb82012-04-27 21:39:21 +00005733}
5734
Merav Sicron55c11942012-11-07 00:45:48 +00005735void bnx2x_nic_init_cnic(struct bnx2x *bp)
5736{
5737 if (!NO_FCOE(bp))
5738 bnx2x_init_fcoe_fp(bp);
5739
5740 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5741 BNX2X_VF_ID_INVALID, false,
5742 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
5743
5744 /* ensure status block indices were read */
5745 rmb();
5746 bnx2x_init_rx_rings_cnic(bp);
5747 bnx2x_init_tx_rings_cnic(bp);
5748
5749 /* flush all */
5750 mb();
5751 mmiowb();
5752}
5753
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005754void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005755{
5756 int i;
5757
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005758 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005759 bnx2x_init_eth_fp(bp, i);
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005760 /* Initialize MOD_ABS interrupts */
5761 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5762 bp->common.shmem_base, bp->common.shmem2_base,
5763 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005764 /* ensure status block indices were read */
5765 rmb();
5766
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005767 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005768 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005769 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005770 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005771 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005772 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005773 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005774 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005775 bnx2x_stats_init(bp);
5776
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005777 /* flush all before enabling interrupts */
5778 mb();
5779 mmiowb();
5780
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005781 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005782
5783 /* Check for SPIO5 */
5784 bnx2x_attn_int_deasserted0(bp,
5785 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5786 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005787}
5788
5789/* end of nic init */
5790
5791/*
5792 * gzip service functions
5793 */
5794
5795static int bnx2x_gunzip_init(struct bnx2x *bp)
5796{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005797 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5798 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005799 if (bp->gunzip_buf == NULL)
5800 goto gunzip_nomem1;
5801
5802 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5803 if (bp->strm == NULL)
5804 goto gunzip_nomem2;
5805
David S. Miller7ab24bf2011-06-29 05:48:41 -07005806 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005807 if (bp->strm->workspace == NULL)
5808 goto gunzip_nomem3;
5809
5810 return 0;
5811
5812gunzip_nomem3:
5813 kfree(bp->strm);
5814 bp->strm = NULL;
5815
5816gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005817 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5818 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005819 bp->gunzip_buf = NULL;
5820
5821gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005822 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005823 return -ENOMEM;
5824}
5825
5826static void bnx2x_gunzip_end(struct bnx2x *bp)
5827{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005828 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005829 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005830 kfree(bp->strm);
5831 bp->strm = NULL;
5832 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005833
5834 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005835 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5836 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005837 bp->gunzip_buf = NULL;
5838 }
5839}
5840
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005841static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005842{
5843 int n, rc;
5844
5845 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005846 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5847 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005848 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005849 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005850
5851 n = 10;
5852
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005853#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005854
5855 if (zbuf[3] & FNAME)
5856 while ((zbuf[n++] != 0) && (n < len));
5857
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005858 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005859 bp->strm->avail_in = len - n;
5860 bp->strm->next_out = bp->gunzip_buf;
5861 bp->strm->avail_out = FW_BUF_SIZE;
5862
5863 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5864 if (rc != Z_OK)
5865 return rc;
5866
5867 rc = zlib_inflate(bp->strm, Z_FINISH);
5868 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005869 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5870 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005871
5872 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5873 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005874 netdev_err(bp->dev,
5875 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005876 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005877 bp->gunzip_outlen >>= 2;
5878
5879 zlib_inflateEnd(bp->strm);
5880
5881 if (rc == Z_STREAM_END)
5882 return 0;
5883
5884 return rc;
5885}
5886
5887/* nic load/unload */
5888
5889/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005890 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005891 */
5892
5893/* send a NIG loopback debug packet */
5894static void bnx2x_lb_pckt(struct bnx2x *bp)
5895{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005896 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005897
5898 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005899 wb_write[0] = 0x55555555;
5900 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005901 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005902 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005903
5904 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005905 wb_write[0] = 0x09000000;
5906 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005907 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005908 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005909}
5910
5911/* some of the internal memories
5912 * are not directly readable from the driver
5913 * to test them we send debug packets
5914 */
5915static int bnx2x_int_mem_test(struct bnx2x *bp)
5916{
5917 int factor;
5918 int count, i;
5919 u32 val = 0;
5920
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005921 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005922 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005923 else if (CHIP_REV_IS_EMUL(bp))
5924 factor = 200;
5925 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005926 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005927
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005928 /* Disable inputs of parser neighbor blocks */
5929 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5930 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5931 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005932 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005933
5934 /* Write 0 to parser credits for CFC search request */
5935 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5936
5937 /* send Ethernet packet */
5938 bnx2x_lb_pckt(bp);
5939
5940 /* TODO do i reset NIG statistic? */
5941 /* Wait until NIG register shows 1 packet of size 0x10 */
5942 count = 1000 * factor;
5943 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005945 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5946 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005947 if (val == 0x10)
5948 break;
5949
5950 msleep(10);
5951 count--;
5952 }
5953 if (val != 0x10) {
5954 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5955 return -1;
5956 }
5957
5958 /* Wait until PRS register shows 1 packet */
5959 count = 1000 * factor;
5960 while (count) {
5961 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005962 if (val == 1)
5963 break;
5964
5965 msleep(10);
5966 count--;
5967 }
5968 if (val != 0x1) {
5969 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5970 return -2;
5971 }
5972
5973 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005974 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005975 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005976 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005977 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005978 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5979 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980
5981 DP(NETIF_MSG_HW, "part2\n");
5982
5983 /* Disable inputs of parser neighbor blocks */
5984 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5985 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5986 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005987 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988
5989 /* Write 0 to parser credits for CFC search request */
5990 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5991
5992 /* send 10 Ethernet packets */
5993 for (i = 0; i < 10; i++)
5994 bnx2x_lb_pckt(bp);
5995
5996 /* Wait until NIG register shows 10 + 1
5997 packets of size 11*0x10 = 0xb0 */
5998 count = 1000 * factor;
5999 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006000
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006001 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6002 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006003 if (val == 0xb0)
6004 break;
6005
6006 msleep(10);
6007 count--;
6008 }
6009 if (val != 0xb0) {
6010 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
6011 return -3;
6012 }
6013
6014 /* Wait until PRS register shows 2 packets */
6015 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6016 if (val != 2)
6017 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6018
6019 /* Write 1 to parser credits for CFC search request */
6020 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6021
6022 /* Wait until PRS register shows 3 packets */
6023 msleep(10 * factor);
6024 /* Wait until NIG register shows 1 packet of size 0x10 */
6025 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6026 if (val != 3)
6027 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6028
6029 /* clear NIG EOP FIFO */
6030 for (i = 0; i < 11; i++)
6031 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6032 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6033 if (val != 1) {
6034 BNX2X_ERR("clear of NIG failed\n");
6035 return -4;
6036 }
6037
6038 /* Reset and init BRB, PRS, NIG */
6039 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6040 msleep(50);
6041 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6042 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006043 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6044 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Merav Sicron55c11942012-11-07 00:45:48 +00006045 if (!CNIC_SUPPORT(bp))
6046 /* set NIC mode */
6047 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006048
6049 /* Enable inputs of parser neighbor blocks */
6050 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6051 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6052 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006053 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006054
6055 DP(NETIF_MSG_HW, "done\n");
6056
6057 return 0; /* OK */
6058}
6059
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006060static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006061{
6062 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006063 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006064 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6065 else
6066 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006067 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6068 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006069 /*
6070 * mask read length error interrupts in brb for parser
6071 * (parsing unit and 'checksum and crc' unit)
6072 * these errors are legal (PU reads fixed length and CAC can cause
6073 * read length error on truncated packets)
6074 */
6075 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006076 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6077 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6078 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6079 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6080 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006081/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6082/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006083 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6084 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6085 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006086/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6087/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006088 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6089 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6090 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6091 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006092/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6093/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006094
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006095 if (CHIP_REV_IS_FPGA(bp))
6096 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006097 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006098 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
6099 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
6100 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
6101 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
6102 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
6103 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006104 else
6105 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006106 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6107 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6108 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006109/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006110
6111 if (!CHIP_IS_E1x(bp))
6112 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6113 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6114
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6116 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006117/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006118 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006119}
6120
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006121static void bnx2x_reset_common(struct bnx2x *bp)
6122{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006123 u32 val = 0x1400;
6124
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006125 /* reset_common */
6126 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6127 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006128
6129 if (CHIP_IS_E3(bp)) {
6130 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6131 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6132 }
6133
6134 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6135}
6136
6137static void bnx2x_setup_dmae(struct bnx2x *bp)
6138{
6139 bp->dmae_ready = 0;
6140 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006141}
6142
Eilon Greenstein573f2032009-08-12 08:24:14 +00006143static void bnx2x_init_pxp(struct bnx2x *bp)
6144{
6145 u16 devctl;
6146 int r_order, w_order;
6147
Jiang Liu2a80eeb2012-08-20 13:26:51 -06006148 pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006149 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6150 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6151 if (bp->mrrs == -1)
6152 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6153 else {
6154 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6155 r_order = bp->mrrs;
6156 }
6157
6158 bnx2x_init_pxp_arb(bp, r_order, w_order);
6159}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006160
6161static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6162{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006163 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006164 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006165 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006166
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006167 if (BP_NOMCP(bp))
6168 return;
6169
6170 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006171 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6172 SHARED_HW_CFG_FAN_FAILURE_MASK;
6173
6174 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6175 is_required = 1;
6176
6177 /*
6178 * The fan failure mechanism is usually related to the PHY type since
6179 * the power consumption of the board is affected by the PHY. Currently,
6180 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6181 */
6182 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6183 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006184 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006185 bnx2x_fan_failure_det_req(
6186 bp,
6187 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006188 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006189 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006190 }
6191
6192 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6193
6194 if (is_required == 0)
6195 return;
6196
6197 /* Fan failure is indicated by SPIO 5 */
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006198 bnx2x_set_spio(bp, MISC_SPIO_SPIO5, MISC_SPIO_INPUT_HI_Z);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006199
6200 /* set to active low mode */
6201 val = REG_RD(bp, MISC_REG_SPIO_INT);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006202 val |= (MISC_SPIO_SPIO5 << MISC_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006203 REG_WR(bp, MISC_REG_SPIO_INT, val);
6204
6205 /* enable interrupt to signal the IGU */
6206 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006207 val |= MISC_SPIO_SPIO5;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006208 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6209}
6210
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006211static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6212{
6213 u32 offset = 0;
6214
6215 if (CHIP_IS_E1(bp))
6216 return;
6217 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6218 return;
6219
6220 switch (BP_ABS_FUNC(bp)) {
6221 case 0:
6222 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6223 break;
6224 case 1:
6225 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6226 break;
6227 case 2:
6228 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6229 break;
6230 case 3:
6231 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6232 break;
6233 case 4:
6234 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6235 break;
6236 case 5:
6237 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6238 break;
6239 case 6:
6240 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6241 break;
6242 case 7:
6243 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6244 break;
6245 default:
6246 return;
6247 }
6248
6249 REG_WR(bp, offset, pretend_func_num);
6250 REG_RD(bp, offset);
6251 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6252}
6253
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006254void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006255{
6256 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6257 val &= ~IGU_PF_CONF_FUNC_EN;
6258
6259 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6260 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6261 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6262}
6263
Eric Dumazet1191cb82012-04-27 21:39:21 +00006264static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006265{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006266 u32 shmem_base[2], shmem2_base[2];
Yaniv Rosnerb884d952012-11-27 03:46:28 +00006267 /* Avoid common init in case MFW supports LFA */
6268 if (SHMEM2_RD(bp, size) >
6269 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
6270 return;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006271 shmem_base[0] = bp->common.shmem_base;
6272 shmem2_base[0] = bp->common.shmem2_base;
6273 if (!CHIP_IS_E1x(bp)) {
6274 shmem_base[1] =
6275 SHMEM2_RD(bp, other_shmem_base_addr);
6276 shmem2_base[1] =
6277 SHMEM2_RD(bp, other_shmem2_base_addr);
6278 }
6279 bnx2x_acquire_phy_lock(bp);
6280 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6281 bp->common.chip_id);
6282 bnx2x_release_phy_lock(bp);
6283}
6284
6285/**
6286 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6287 *
6288 * @bp: driver handle
6289 */
6290static int bnx2x_init_hw_common(struct bnx2x *bp)
6291{
6292 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006293
Merav Sicron51c1a582012-03-18 10:33:38 +00006294 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006295
David S. Miller823dcd22011-08-20 10:39:12 -07006296 /*
6297 * take the UNDI lock to protect undi_unload flow from accessing
6298 * registers while we're resetting the chip
6299 */
David S. Miller8decf862011-09-22 03:23:13 -04006300 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006301
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006302 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006303 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006304
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006305 val = 0xfffc;
6306 if (CHIP_IS_E3(bp)) {
6307 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6308 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6309 }
6310 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006311
David S. Miller8decf862011-09-22 03:23:13 -04006312 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006313
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006314 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6315
6316 if (!CHIP_IS_E1x(bp)) {
6317 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006318
6319 /**
6320 * 4-port mode or 2-port mode we need to turn of master-enable
6321 * for everyone, after that, turn it back on for self.
6322 * so, we disregard multi-function or not, and always disable
6323 * for all functions on the given path, this means 0,2,4,6 for
6324 * path 0 and 1,3,5,7 for path 1
6325 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006326 for (abs_func_id = BP_PATH(bp);
6327 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6328 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006329 REG_WR(bp,
6330 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6331 1);
6332 continue;
6333 }
6334
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006335 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006336 /* clear pf enable */
6337 bnx2x_pf_disable(bp);
6338 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6339 }
6340 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006341
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006342 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006343 if (CHIP_IS_E1(bp)) {
6344 /* enable HW interrupt from PXP on USDM overflow
6345 bit 16 on INT_MASK_0 */
6346 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006347 }
6348
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006349 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006350 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006351
6352#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006353 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6354 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6355 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6356 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6357 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006358 /* make sure this value is 0 */
6359 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006360
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006361/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6362 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6363 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6364 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6365 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006366#endif
6367
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006368 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6369
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006370 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6371 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006372
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006373 /* let the HW do it's magic ... */
6374 msleep(100);
6375 /* finish PXP init */
6376 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6377 if (val != 1) {
6378 BNX2X_ERR("PXP2 CFG failed\n");
6379 return -EBUSY;
6380 }
6381 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6382 if (val != 1) {
6383 BNX2X_ERR("PXP2 RD_INIT failed\n");
6384 return -EBUSY;
6385 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006386
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006387 /* Timers bug workaround E2 only. We need to set the entire ILT to
6388 * have entries with value "0" and valid bit on.
6389 * This needs to be done by the first PF that is loaded in a path
6390 * (i.e. common phase)
6391 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006392 if (!CHIP_IS_E1x(bp)) {
6393/* In E2 there is a bug in the timers block that can cause function 6 / 7
6394 * (i.e. vnic3) to start even if it is marked as "scan-off".
6395 * This occurs when a different function (func2,3) is being marked
6396 * as "scan-off". Real-life scenario for example: if a driver is being
6397 * load-unloaded while func6,7 are down. This will cause the timer to access
6398 * the ilt, translate to a logical address and send a request to read/write.
6399 * Since the ilt for the function that is down is not valid, this will cause
6400 * a translation error which is unrecoverable.
6401 * The Workaround is intended to make sure that when this happens nothing fatal
6402 * will occur. The workaround:
6403 * 1. First PF driver which loads on a path will:
6404 * a. After taking the chip out of reset, by using pretend,
6405 * it will write "0" to the following registers of
6406 * the other vnics.
6407 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6408 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6409 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6410 * And for itself it will write '1' to
6411 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6412 * dmae-operations (writing to pram for example.)
6413 * note: can be done for only function 6,7 but cleaner this
6414 * way.
6415 * b. Write zero+valid to the entire ILT.
6416 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6417 * VNIC3 (of that port). The range allocated will be the
6418 * entire ILT. This is needed to prevent ILT range error.
6419 * 2. Any PF driver load flow:
6420 * a. ILT update with the physical addresses of the allocated
6421 * logical pages.
6422 * b. Wait 20msec. - note that this timeout is needed to make
6423 * sure there are no requests in one of the PXP internal
6424 * queues with "old" ILT addresses.
6425 * c. PF enable in the PGLC.
6426 * d. Clear the was_error of the PF in the PGLC. (could have
6427 * occured while driver was down)
6428 * e. PF enable in the CFC (WEAK + STRONG)
6429 * f. Timers scan enable
6430 * 3. PF driver unload flow:
6431 * a. Clear the Timers scan_en.
6432 * b. Polling for scan_on=0 for that PF.
6433 * c. Clear the PF enable bit in the PXP.
6434 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6435 * e. Write zero+valid to all ILT entries (The valid bit must
6436 * stay set)
6437 * f. If this is VNIC 3 of a port then also init
6438 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6439 * to the last enrty in the ILT.
6440 *
6441 * Notes:
6442 * Currently the PF error in the PGLC is non recoverable.
6443 * In the future the there will be a recovery routine for this error.
6444 * Currently attention is masked.
6445 * Having an MCP lock on the load/unload process does not guarantee that
6446 * there is no Timer disable during Func6/7 enable. This is because the
6447 * Timers scan is currently being cleared by the MCP on FLR.
6448 * Step 2.d can be done only for PF6/7 and the driver can also check if
6449 * there is error before clearing it. But the flow above is simpler and
6450 * more general.
6451 * All ILT entries are written by zero+valid and not just PF6/7
6452 * ILT entries since in the future the ILT entries allocation for
6453 * PF-s might be dynamic.
6454 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006455 struct ilt_client_info ilt_cli;
6456 struct bnx2x_ilt ilt;
6457 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6458 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6459
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006460 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006461 ilt_cli.start = 0;
6462 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6463 ilt_cli.client_num = ILT_CLIENT_TM;
6464
6465 /* Step 1: set zeroes to all ilt page entries with valid bit on
6466 * Step 2: set the timers first/last ilt entry to point
6467 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006468 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006469 *
6470 * both steps performed by call to bnx2x_ilt_client_init_op()
6471 * with dummy TM client
6472 *
6473 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6474 * and his brother are split registers
6475 */
6476 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6477 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6478 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6479
6480 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6481 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6482 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6483 }
6484
6485
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006486 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6487 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006488
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006489 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006490 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6491 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006492 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006493
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006494 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006495
6496 /* let the HW do it's magic ... */
6497 do {
6498 msleep(200);
6499 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6500 } while (factor-- && (val != 1));
6501
6502 if (val != 1) {
6503 BNX2X_ERR("ATC_INIT failed\n");
6504 return -EBUSY;
6505 }
6506 }
6507
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006508 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006509
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006510 /* clean the DMAE memory */
6511 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006512 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006513
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006514 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6515
6516 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6517
6518 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6519
6520 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006521
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006522 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6523 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6524 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6525 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6526
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006527 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006528
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006529
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006530 /* QM queues pointers table */
6531 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006532
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006533 /* soft reset pulse */
6534 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6535 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006536
Merav Sicron55c11942012-11-07 00:45:48 +00006537 if (CNIC_SUPPORT(bp))
6538 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006539
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006540 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006541 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006542 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006543 /* enable hw interrupt from doorbell Q */
6544 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006545
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006546 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006547
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006548 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006549 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006550
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006551 if (!CHIP_IS_E1(bp))
6552 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6553
Barak Witkowskia3348722012-04-23 03:04:46 +00006554 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6555 if (IS_MF_AFEX(bp)) {
6556 /* configure that VNTag and VLAN headers must be
6557 * received in afex mode
6558 */
6559 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6560 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6561 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6562 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6563 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6564 } else {
6565 /* Bit-map indicating which L2 hdrs may appear
6566 * after the basic Ethernet header
6567 */
6568 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6569 bp->path_has_ovlan ? 7 : 6);
6570 }
6571 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006572
6573 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6574 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6575 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6576 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6577
6578 if (!CHIP_IS_E1x(bp)) {
6579 /* reset VFC memories */
6580 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6581 VFC_MEMORIES_RST_REG_CAM_RST |
6582 VFC_MEMORIES_RST_REG_RAM_RST);
6583 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6584 VFC_MEMORIES_RST_REG_CAM_RST |
6585 VFC_MEMORIES_RST_REG_RAM_RST);
6586
6587 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006588 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006589
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006590 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6591 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6592 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6593 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006594
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006595 /* sync semi rtc */
6596 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6597 0x80000000);
6598 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6599 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006600
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006601 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6602 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6603 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006604
Barak Witkowskia3348722012-04-23 03:04:46 +00006605 if (!CHIP_IS_E1x(bp)) {
6606 if (IS_MF_AFEX(bp)) {
6607 /* configure that VNTag and VLAN headers must be
6608 * sent in afex mode
6609 */
6610 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6611 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6612 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6613 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6614 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6615 } else {
6616 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6617 bp->path_has_ovlan ? 7 : 6);
6618 }
6619 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006620
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006621 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006622
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006623 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6624
Merav Sicron55c11942012-11-07 00:45:48 +00006625 if (CNIC_SUPPORT(bp)) {
6626 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6627 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6628 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6629 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6630 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6631 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6632 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6633 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6634 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6635 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6636 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006637 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006639 if (sizeof(union cdu_context) != 1024)
6640 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006641 dev_alert(&bp->pdev->dev,
6642 "please adjust the size of cdu_context(%ld)\n",
6643 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006644
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006645 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006646 val = (4 << 24) + (0 << 12) + 1024;
6647 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006648
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006649 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006650 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006651 /* enable context validation interrupt from CFC */
6652 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6653
6654 /* set the thresholds to prevent CFC/CDU race */
6655 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006656
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006657 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006658
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006659 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006660 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6661
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006662 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6663 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006664
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006665 /* Reset PCIE errors for debug */
6666 REG_WR(bp, 0x2814, 0xffffffff);
6667 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006668
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006669 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006670 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6671 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6672 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6673 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6674 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6675 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6676 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6677 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6678 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6679 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6680 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6681 }
6682
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006683 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006684 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006685 /* in E3 this done in per-port section */
6686 if (!CHIP_IS_E3(bp))
6687 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6688 }
6689 if (CHIP_IS_E1H(bp))
6690 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006691 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006692
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006693 if (CHIP_REV_IS_SLOW(bp))
6694 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006695
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006696 /* finish CFC init */
6697 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6698 if (val != 1) {
6699 BNX2X_ERR("CFC LL_INIT failed\n");
6700 return -EBUSY;
6701 }
6702 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6703 if (val != 1) {
6704 BNX2X_ERR("CFC AC_INIT failed\n");
6705 return -EBUSY;
6706 }
6707 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6708 if (val != 1) {
6709 BNX2X_ERR("CFC CAM_INIT failed\n");
6710 return -EBUSY;
6711 }
6712 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006713
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006714 if (CHIP_IS_E1(bp)) {
6715 /* read NIG statistic
6716 to see if this is our first up since powerup */
6717 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6718 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006719
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006720 /* do internal memory self test */
6721 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6722 BNX2X_ERR("internal mem self test failed\n");
6723 return -EBUSY;
6724 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006725 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006726
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006727 bnx2x_setup_fan_failure_detection(bp);
6728
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006729 /* clear PXP2 attentions */
6730 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006731
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006732 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006733 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006734
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006735 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006736 if (CHIP_IS_E1x(bp))
6737 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006738 } else
6739 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6740
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006741 return 0;
6742}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006743
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006744/**
6745 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6746 *
6747 * @bp: driver handle
6748 */
6749static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6750{
6751 int rc = bnx2x_init_hw_common(bp);
6752
6753 if (rc)
6754 return rc;
6755
6756 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6757 if (!BP_NOMCP(bp))
6758 bnx2x__common_init_phy(bp);
6759
6760 return 0;
6761}
6762
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006763static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006764{
6765 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006766 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006767 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006768 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006769
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006770
Merav Sicron51c1a582012-03-18 10:33:38 +00006771 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006772
6773 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006774
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006775 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6776 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6777 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006778
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006779 /* Timers bug workaround: disables the pf_master bit in pglue at
6780 * common phase, we need to enable it here before any dmae access are
6781 * attempted. Therefore we manually added the enable-master to the
6782 * port phase (it also happens in the function phase)
6783 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006784 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006785 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6786
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006787 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6788 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6789 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6790 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6791
6792 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6793 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6794 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6795 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006796
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006797 /* QM cid (connection) count */
6798 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006799
Merav Sicron55c11942012-11-07 00:45:48 +00006800 if (CNIC_SUPPORT(bp)) {
6801 bnx2x_init_block(bp, BLOCK_TM, init_phase);
6802 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6803 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
6804 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006805
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006806 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006807
Dmitry Kravkov2b674042012-10-28 21:59:04 +00006808 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6809
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006810 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006811
6812 if (IS_MF(bp))
6813 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6814 else if (bp->dev->mtu > 4096) {
6815 if (bp->flags & ONE_PORT_FLAG)
6816 low = 160;
6817 else {
6818 val = bp->dev->mtu;
6819 /* (24*1024 + val*4)/256 */
6820 low = 96 + (val/64) +
6821 ((val % 64) ? 1 : 0);
6822 }
6823 } else
6824 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6825 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006826 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6827 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6828 }
6829
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006830 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006831 REG_WR(bp, (BP_PORT(bp) ?
6832 BRB1_REG_MAC_GUARANTIED_1 :
6833 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006834
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006835
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006836 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006837 if (CHIP_IS_E3B0(bp)) {
6838 if (IS_MF_AFEX(bp)) {
6839 /* configure headers for AFEX mode */
6840 REG_WR(bp, BP_PORT(bp) ?
6841 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6842 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6843 REG_WR(bp, BP_PORT(bp) ?
6844 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6845 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6846 REG_WR(bp, BP_PORT(bp) ?
6847 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6848 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6849 } else {
6850 /* Ovlan exists only if we are in multi-function +
6851 * switch-dependent mode, in switch-independent there
6852 * is no ovlan headers
6853 */
6854 REG_WR(bp, BP_PORT(bp) ?
6855 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6856 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6857 (bp->path_has_ovlan ? 7 : 6));
6858 }
6859 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006860
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006861 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6862 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6863 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6864 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6865
6866 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6867 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6868 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6869 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6870
6871 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6872 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6873
6874 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6875
6876 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006877 /* configure PBF to work without PAUSE mtu 9000 */
6878 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006879
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006880 /* update threshold */
6881 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6882 /* update init credit */
6883 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006884
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006885 /* probe changes */
6886 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6887 udelay(50);
6888 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6889 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006890
Merav Sicron55c11942012-11-07 00:45:48 +00006891 if (CNIC_SUPPORT(bp))
6892 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
6893
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006894 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6895 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006896
6897 if (CHIP_IS_E1(bp)) {
6898 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6899 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6900 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006901 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006902
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006903 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006904
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006905 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006906 /* init aeu_mask_attn_func_0/1:
6907 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6908 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6909 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006910 val = IS_MF(bp) ? 0xF7 : 0x7;
6911 /* Enable DCBX attention for all but E1 */
6912 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6913 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006914
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006915 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006916
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006917 if (!CHIP_IS_E1x(bp)) {
6918 /* Bit-map indicating which L2 hdrs may appear after the
6919 * basic Ethernet header
6920 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006921 if (IS_MF_AFEX(bp))
6922 REG_WR(bp, BP_PORT(bp) ?
6923 NIG_REG_P1_HDRS_AFTER_BASIC :
6924 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6925 else
6926 REG_WR(bp, BP_PORT(bp) ?
6927 NIG_REG_P1_HDRS_AFTER_BASIC :
6928 NIG_REG_P0_HDRS_AFTER_BASIC,
6929 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006930
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006931 if (CHIP_IS_E3(bp))
6932 REG_WR(bp, BP_PORT(bp) ?
6933 NIG_REG_LLH1_MF_MODE :
6934 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6935 }
6936 if (!CHIP_IS_E3(bp))
6937 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006938
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006939 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006940 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006941 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006942 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006943
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006944 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006945 val = 0;
6946 switch (bp->mf_mode) {
6947 case MULTI_FUNCTION_SD:
6948 val = 1;
6949 break;
6950 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00006951 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006952 val = 2;
6953 break;
6954 }
6955
6956 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6957 NIG_REG_LLH0_CLS_TYPE), val);
6958 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006959 {
6960 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6961 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6962 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6963 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006964 }
6965
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006966
6967 /* If SPIO5 is set to generate interrupts, enable it for this port */
6968 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
Yuval Mintzd6d99a32012-12-02 04:05:45 +00006969 if (val & MISC_SPIO_SPIO5) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006970 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6971 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6972 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006973 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006974 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006975 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006976
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006977 return 0;
6978}
6979
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006980static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6981{
6982 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00006983 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006984
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006985 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006986 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006987 else
6988 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006989
Yuval Mintz32d68de2012-04-03 18:41:24 +00006990 wb_write[0] = ONCHIP_ADDR1(addr);
6991 wb_write[1] = ONCHIP_ADDR2(addr);
6992 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006993}
6994
Eric Dumazet1191cb82012-04-27 21:39:21 +00006995static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
6996 u8 idu_sb_id, bool is_Pf)
6997{
6998 u32 data, ctl, cnt = 100;
6999 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
7000 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
7001 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7002 u32 sb_bit = 1 << (idu_sb_id%32);
7003 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
7004 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7005
7006 /* Not supported in BC mode */
7007 if (CHIP_INT_MODE_IS_BC(bp))
7008 return;
7009
7010 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7011 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
7012 IGU_REGULAR_CLEANUP_SET |
7013 IGU_REGULAR_BCLEANUP;
7014
7015 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
7016 func_encode << IGU_CTRL_REG_FID_SHIFT |
7017 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7018
7019 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7020 data, igu_addr_data);
7021 REG_WR(bp, igu_addr_data, data);
7022 mmiowb();
7023 barrier();
7024 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7025 ctl, igu_addr_ctl);
7026 REG_WR(bp, igu_addr_ctl, ctl);
7027 mmiowb();
7028 barrier();
7029
7030 /* wait for clean up to finish */
7031 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7032 msleep(20);
7033
7034
7035 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7036 DP(NETIF_MSG_HW,
7037 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7038 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7039 }
7040}
7041
7042static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007043{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007044 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007045}
7046
Eric Dumazet1191cb82012-04-27 21:39:21 +00007047static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007048{
7049 u32 i, base = FUNC_ILT_BASE(func);
7050 for (i = base; i < base + ILT_PER_FUNC; i++)
7051 bnx2x_ilt_wr(bp, i, 0);
7052}
7053
Merav Sicron55c11942012-11-07 00:45:48 +00007054
Merav Sicron910cc722012-11-11 03:56:08 +00007055static void bnx2x_init_searcher(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007056{
7057 int port = BP_PORT(bp);
7058 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
7059 /* T1 hash bits value determines the T1 number of entries */
7060 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
7061}
7062
7063static inline int bnx2x_func_switch_update(struct bnx2x *bp, int suspend)
7064{
7065 int rc;
7066 struct bnx2x_func_state_params func_params = {NULL};
7067 struct bnx2x_func_switch_update_params *switch_update_params =
7068 &func_params.params.switch_update;
7069
7070 /* Prepare parameters for function state transitions */
7071 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7072 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
7073
7074 func_params.f_obj = &bp->func_obj;
7075 func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
7076
7077 /* Function parameters */
7078 switch_update_params->suspend = suspend;
7079
7080 rc = bnx2x_func_state_change(bp, &func_params);
7081
7082 return rc;
7083}
7084
Merav Sicron910cc722012-11-11 03:56:08 +00007085static int bnx2x_reset_nic_mode(struct bnx2x *bp)
Merav Sicron55c11942012-11-07 00:45:48 +00007086{
7087 int rc, i, port = BP_PORT(bp);
7088 int vlan_en = 0, mac_en[NUM_MACS];
7089
7090
7091 /* Close input from network */
7092 if (bp->mf_mode == SINGLE_FUNCTION) {
7093 bnx2x_set_rx_filter(&bp->link_params, 0);
7094 } else {
7095 vlan_en = REG_RD(bp, port ? NIG_REG_LLH1_FUNC_EN :
7096 NIG_REG_LLH0_FUNC_EN);
7097 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7098 NIG_REG_LLH0_FUNC_EN, 0);
7099 for (i = 0; i < NUM_MACS; i++) {
7100 mac_en[i] = REG_RD(bp, port ?
7101 (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7102 4 * i) :
7103 (NIG_REG_LLH0_FUNC_MEM_ENABLE +
7104 4 * i));
7105 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7106 4 * i) :
7107 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i), 0);
7108 }
7109 }
7110
7111 /* Close BMC to host */
7112 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7113 NIG_REG_P1_TX_MNG_HOST_ENABLE, 0);
7114
7115 /* Suspend Tx switching to the PF. Completion of this ramrod
7116 * further guarantees that all the packets of that PF / child
7117 * VFs in BRB were processed by the Parser, so it is safe to
7118 * change the NIC_MODE register.
7119 */
7120 rc = bnx2x_func_switch_update(bp, 1);
7121 if (rc) {
7122 BNX2X_ERR("Can't suspend tx-switching!\n");
7123 return rc;
7124 }
7125
7126 /* Change NIC_MODE register */
7127 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7128
7129 /* Open input from network */
7130 if (bp->mf_mode == SINGLE_FUNCTION) {
7131 bnx2x_set_rx_filter(&bp->link_params, 1);
7132 } else {
7133 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7134 NIG_REG_LLH0_FUNC_EN, vlan_en);
7135 for (i = 0; i < NUM_MACS; i++) {
7136 REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7137 4 * i) :
7138 (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i),
7139 mac_en[i]);
7140 }
7141 }
7142
7143 /* Enable BMC to host */
7144 REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7145 NIG_REG_P1_TX_MNG_HOST_ENABLE, 1);
7146
7147 /* Resume Tx switching to the PF */
7148 rc = bnx2x_func_switch_update(bp, 0);
7149 if (rc) {
7150 BNX2X_ERR("Can't resume tx-switching!\n");
7151 return rc;
7152 }
7153
7154 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7155 return 0;
7156}
7157
7158int bnx2x_init_hw_func_cnic(struct bnx2x *bp)
7159{
7160 int rc;
7161
7162 bnx2x_ilt_init_op_cnic(bp, INITOP_SET);
7163
7164 if (CONFIGURE_NIC_MODE(bp)) {
7165 /* Configrue searcher as part of function hw init */
7166 bnx2x_init_searcher(bp);
7167
7168 /* Reset NIC mode */
7169 rc = bnx2x_reset_nic_mode(bp);
7170 if (rc)
7171 BNX2X_ERR("Can't change NIC mode!\n");
7172 return rc;
7173 }
7174
7175 return 0;
7176}
7177
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007178static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007179{
7180 int port = BP_PORT(bp);
7181 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007182 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007183 struct bnx2x_ilt *ilt = BP_ILT(bp);
7184 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007185 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007186 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007187 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007188
Merav Sicron51c1a582012-03-18 10:33:38 +00007189 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007190
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007191 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007192 if (!CHIP_IS_E1x(bp)) {
7193 rc = bnx2x_pf_flr_clnup(bp);
7194 if (rc)
7195 return rc;
7196 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007197
Eilon Greenstein8badd272009-02-12 08:36:15 +00007198 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007199 if (bp->common.int_block == INT_BLOCK_HC) {
7200 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7201 val = REG_RD(bp, addr);
7202 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7203 REG_WR(bp, addr, val);
7204 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007205
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007206 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7207 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7208
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007209 ilt = BP_ILT(bp);
7210 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007211
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007212 for (i = 0; i < L2_ILT_LINES(bp); i++) {
Merav Sicrona0529972012-06-19 07:48:25 +00007213 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007214 ilt->lines[cdu_ilt_start + i].page_mapping =
Merav Sicrona0529972012-06-19 07:48:25 +00007215 bp->context[i].cxt_mapping;
7216 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007217 }
7218 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007219
Merav Sicron55c11942012-11-07 00:45:48 +00007220 if (!CONFIGURE_NIC_MODE(bp)) {
7221 bnx2x_init_searcher(bp);
7222 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7223 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7224 } else {
7225 /* Set NIC mode */
7226 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7227 DP(NETIF_MSG_IFUP, "NIC MODE configrued\n");
Michael Chan37b091b2009-10-10 13:46:55 +00007228
Merav Sicron55c11942012-11-07 00:45:48 +00007229 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007230
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007231 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007232 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7233
7234 /* Turn on a single ISR mode in IGU if driver is going to use
7235 * INT#x or MSI
7236 */
7237 if (!(bp->flags & USING_MSIX_FLAG))
7238 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7239 /*
7240 * Timers workaround bug: function init part.
7241 * Need to wait 20msec after initializing ILT,
7242 * needed to make sure there are no requests in
7243 * one of the PXP internal queues with "old" ILT addresses
7244 */
7245 msleep(20);
7246 /*
7247 * Master enable - Due to WB DMAE writes performed before this
7248 * register is re-initialized as part of the regular function
7249 * init
7250 */
7251 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7252 /* Enable the function in IGU */
7253 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7254 }
7255
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007256 bp->dmae_ready = 1;
7257
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007258 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007259
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007260 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007261 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7262
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007263 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7264 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7265 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7266 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7267 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7268 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7269 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7270 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7271 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7272 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7273 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7274 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7275 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007276
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007277 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007278 REG_WR(bp, QM_REG_PF_EN, 1);
7279
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007280 if (!CHIP_IS_E1x(bp)) {
7281 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7282 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7283 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7284 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7285 }
7286 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007287
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007288 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7289 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7290 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7291 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7292 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7293 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7294 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7295 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7296 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7297 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7298 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7299 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007300 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7301
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007302 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007303
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007304 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007305
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007306 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007307 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7308
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007309 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007310 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007311 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007312 }
7313
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007314 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007316 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007317 if (bp->common.int_block == INT_BLOCK_HC) {
7318 if (CHIP_IS_E1H(bp)) {
7319 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7320
7321 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7322 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7323 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007324 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007325
7326 } else {
7327 int num_segs, sb_idx, prod_offset;
7328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007329 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7330
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007331 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007332 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7333 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7334 }
7335
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007336 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007337
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007338 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007339 int dsb_idx = 0;
7340 /**
7341 * Producer memory:
7342 * E2 mode: address 0-135 match to the mapping memory;
7343 * 136 - PF0 default prod; 137 - PF1 default prod;
7344 * 138 - PF2 default prod; 139 - PF3 default prod;
7345 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7346 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7347 * 144-147 reserved.
7348 *
7349 * E1.5 mode - In backward compatible mode;
7350 * for non default SB; each even line in the memory
7351 * holds the U producer and each odd line hold
7352 * the C producer. The first 128 producers are for
7353 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7354 * producers are for the DSB for each PF.
7355 * Each PF has five segments: (the order inside each
7356 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7357 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7358 * 144-147 attn prods;
7359 */
7360 /* non-default-status-blocks */
7361 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7362 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7363 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7364 prod_offset = (bp->igu_base_sb + sb_idx) *
7365 num_segs;
7366
7367 for (i = 0; i < num_segs; i++) {
7368 addr = IGU_REG_PROD_CONS_MEMORY +
7369 (prod_offset + i) * 4;
7370 REG_WR(bp, addr, 0);
7371 }
7372 /* send consumer update with value 0 */
7373 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7374 USTORM_ID, 0, IGU_INT_NOP, 1);
7375 bnx2x_igu_clear_sb(bp,
7376 bp->igu_base_sb + sb_idx);
7377 }
7378
7379 /* default-status-blocks */
7380 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7381 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7382
7383 if (CHIP_MODE_IS_4_PORT(bp))
7384 dsb_idx = BP_FUNC(bp);
7385 else
David S. Miller8decf862011-09-22 03:23:13 -04007386 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007387
7388 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7389 IGU_BC_BASE_DSB_PROD + dsb_idx :
7390 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7391
David S. Miller8decf862011-09-22 03:23:13 -04007392 /*
7393 * igu prods come in chunks of E1HVN_MAX (4) -
7394 * does not matters what is the current chip mode
7395 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007396 for (i = 0; i < (num_segs * E1HVN_MAX);
7397 i += E1HVN_MAX) {
7398 addr = IGU_REG_PROD_CONS_MEMORY +
7399 (prod_offset + i)*4;
7400 REG_WR(bp, addr, 0);
7401 }
7402 /* send consumer update with 0 */
7403 if (CHIP_INT_MODE_IS_BC(bp)) {
7404 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7405 USTORM_ID, 0, IGU_INT_NOP, 1);
7406 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7407 CSTORM_ID, 0, IGU_INT_NOP, 1);
7408 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7409 XSTORM_ID, 0, IGU_INT_NOP, 1);
7410 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7411 TSTORM_ID, 0, IGU_INT_NOP, 1);
7412 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7413 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7414 } else {
7415 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7416 USTORM_ID, 0, IGU_INT_NOP, 1);
7417 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7418 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7419 }
7420 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7421
7422 /* !!! these should become driver const once
7423 rf-tool supports split-68 const */
7424 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7425 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7426 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7427 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7428 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7429 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7430 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007431 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007432
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007433 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007434 REG_WR(bp, 0x2114, 0xffffffff);
7435 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007436
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007437 if (CHIP_IS_E1x(bp)) {
7438 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7439 main_mem_base = HC_REG_MAIN_MEMORY +
7440 BP_PORT(bp) * (main_mem_size * 4);
7441 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7442 main_mem_width = 8;
7443
7444 val = REG_RD(bp, main_mem_prty_clr);
7445 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007446 DP(NETIF_MSG_HW,
7447 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7448 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007449
7450 /* Clear "false" parity errors in MSI-X table */
7451 for (i = main_mem_base;
7452 i < main_mem_base + main_mem_size * 4;
7453 i += main_mem_width) {
7454 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7455 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7456 i, main_mem_width / 4);
7457 }
7458 /* Clear HC parity attention */
7459 REG_RD(bp, main_mem_prty_clr);
7460 }
7461
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007462#ifdef BNX2X_STOP_ON_ERROR
7463 /* Enable STORMs SP logging */
7464 REG_WR8(bp, BAR_USTRORM_INTMEM +
7465 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7466 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7467 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7468 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7469 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7470 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7471 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7472#endif
7473
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007474 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007475
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007476 return 0;
7477}
7478
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007479
Merav Sicron55c11942012-11-07 00:45:48 +00007480void bnx2x_free_mem_cnic(struct bnx2x *bp)
7481{
7482 bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_FREE);
7483
7484 if (!CHIP_IS_E1x(bp))
7485 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7486 sizeof(struct host_hc_status_block_e2));
7487 else
7488 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7489 sizeof(struct host_hc_status_block_e1x));
7490
7491 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
7492}
7493
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007494void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007495{
Merav Sicrona0529972012-06-19 07:48:25 +00007496 int i;
7497
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007498 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007499 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007500 /* end of fastpath */
7501
7502 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007503 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007504
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007505 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7506 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7507
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007508 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007509 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007510
Merav Sicrona0529972012-06-19 07:48:25 +00007511 for (i = 0; i < L2_ILT_LINES(bp); i++)
7512 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
7513 bp->context[i].size);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007514 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7515
7516 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007517
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007518 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007519
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007520 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7521 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007522}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007523
Eric Dumazet1191cb82012-04-27 21:39:21 +00007524static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007525{
7526 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007527 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007528
Barak Witkowski50f0a562011-12-05 21:52:23 +00007529 /* number of queues for statistics is number of eth queues + FCoE */
7530 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007531
7532 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007533 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7534 * num of queues
7535 */
7536 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007537
7538
7539 /* Request is built from stats_query_header and an array of
7540 * stats_query_cmd_group each of which contains
7541 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7542 * configured in the stats_query_header.
7543 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007544 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7545 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007546
7547 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7548 num_groups * sizeof(struct stats_query_cmd_group);
7549
7550 /* Data for statistics requests + stats_conter
7551 *
7552 * stats_counter holds per-STORM counters that are incremented
7553 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007554 *
7555 * memory for FCoE offloaded statistics are counted anyway,
7556 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007557 */
7558 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7559 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007560 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007561 sizeof(struct per_queue_stats) * num_queue_stats +
7562 sizeof(struct stats_counter);
7563
7564 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7565 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7566
7567 /* Set shortcuts */
7568 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7569 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7570
7571 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7572 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7573
7574 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7575 bp->fw_stats_req_sz;
7576 return 0;
7577
7578alloc_mem_err:
7579 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7580 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007581 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007582 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007583}
7584
Merav Sicron55c11942012-11-07 00:45:48 +00007585int bnx2x_alloc_mem_cnic(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007586{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007587 if (!CHIP_IS_E1x(bp))
7588 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007589 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7590 sizeof(struct host_hc_status_block_e2));
7591 else
Merav Sicron55c11942012-11-07 00:45:48 +00007592 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb,
7593 &bp->cnic_sb_mapping,
7594 sizeof(struct
7595 host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007596
Merav Sicron55c11942012-11-07 00:45:48 +00007597 if (CONFIGURE_NIC_MODE(bp))
7598 /* allocate searcher T2 table, as it wan't allocated before */
7599 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007600
Merav Sicron55c11942012-11-07 00:45:48 +00007601 /* write address to which L5 should insert its values */
7602 bp->cnic_eth_dev.addr_drv_info_to_mcp =
7603 &bp->slowpath->drv_info_to_mcp;
7604
7605 if (bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_ALLOC))
7606 goto alloc_mem_err;
7607
7608 return 0;
7609
7610alloc_mem_err:
7611 bnx2x_free_mem_cnic(bp);
7612 BNX2X_ERR("Can't allocate memory\n");
7613 return -ENOMEM;
7614}
7615
7616int bnx2x_alloc_mem(struct bnx2x *bp)
7617{
7618 int i, allocated, context_size;
7619
7620 if (!CONFIGURE_NIC_MODE(bp))
7621 /* allocate searcher T2 table */
7622 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007623
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007624 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007625 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007626
7627 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7628 sizeof(struct bnx2x_slowpath));
7629
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007630 /* Allocated memory for FW statistics */
7631 if (bnx2x_alloc_fw_stats_mem(bp))
7632 goto alloc_mem_err;
7633
Merav Sicrona0529972012-06-19 07:48:25 +00007634 /* Allocate memory for CDU context:
7635 * This memory is allocated separately and not in the generic ILT
7636 * functions because CDU differs in few aspects:
7637 * 1. There are multiple entities allocating memory for context -
7638 * 'regular' driver, CNIC and SRIOV driver. Each separately controls
7639 * its own ILT lines.
7640 * 2. Since CDU page-size is not a single 4KB page (which is the case
7641 * for the other ILT clients), to be efficient we want to support
7642 * allocation of sub-page-size in the last entry.
7643 * 3. Context pointers are used by the driver to pass to FW / update
7644 * the context (for the other ILT clients the pointers are used just to
7645 * free the memory during unload).
7646 */
7647 context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007648
Merav Sicrona0529972012-06-19 07:48:25 +00007649 for (i = 0, allocated = 0; allocated < context_size; i++) {
7650 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
7651 (context_size - allocated));
7652 BNX2X_PCI_ALLOC(bp->context[i].vcxt,
7653 &bp->context[i].cxt_mapping,
7654 bp->context[i].size);
7655 allocated += bp->context[i].size;
7656 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007657 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007658
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007659 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7660 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007661
7662 /* Slow path ring */
7663 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7664
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007665 /* EQ */
7666 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7667 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007668
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007669
7670 /* fastpath */
7671 /* need to be done at the end, since it's self adjusting to amount
7672 * of memory available for RSS queues
7673 */
7674 if (bnx2x_alloc_fp_mem(bp))
7675 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007676 return 0;
7677
7678alloc_mem_err:
7679 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007680 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007681 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007682}
7683
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007684/*
7685 * Init service functions
7686 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007687
7688int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7689 struct bnx2x_vlan_mac_obj *obj, bool set,
7690 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007691{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007692 int rc;
7693 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007694
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007695 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007696
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007697 /* Fill general parameters */
7698 ramrod_param.vlan_mac_obj = obj;
7699 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007700
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007701 /* Fill a user request section if needed */
7702 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7703 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007704
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007705 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007706
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007707 /* Set the command: ADD or DEL */
7708 if (set)
7709 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7710 else
7711 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007712 }
7713
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007714 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007715
7716 if (rc == -EEXIST) {
7717 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
7718 /* do not treat adding same MAC as error */
7719 rc = 0;
7720 } else if (rc < 0)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007721 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
Yuval Mintz7b5342d2012-09-11 04:34:14 +00007722
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007723 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007724}
7725
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007726int bnx2x_del_all_macs(struct bnx2x *bp,
7727 struct bnx2x_vlan_mac_obj *mac_obj,
7728 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007729{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007730 int rc;
7731 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7732
7733 /* Wait for completion of requested */
7734 if (wait_for_comp)
7735 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7736
7737 /* Set the mac type of addresses we want to clear */
7738 __set_bit(mac_type, &vlan_mac_flags);
7739
7740 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7741 if (rc < 0)
7742 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7743
7744 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007745}
7746
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007747int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007748{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007749 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007750
Barak Witkowskia3348722012-04-23 03:04:46 +00007751 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7752 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007753 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7754 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007755 return 0;
7756 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007757
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007758 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007759
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007760 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7761 /* Eth MAC is set on RSS leading client (fp[0]) */
Barak Witkowski15192a82012-06-19 07:48:28 +00007762 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->sp_objs->mac_obj,
7763 set, BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007764}
7765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007766int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007767{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007768 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007769}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007770
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007771/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007772 * bnx2x_set_int_mode - configure interrupt mode
7773 *
7774 * @bp: driver handle
7775 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007776 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007777 */
Merav Sicron0e8d2ec2012-06-19 07:48:30 +00007778void bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007779{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007780 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007781 case INT_MODE_MSI:
7782 bnx2x_enable_msi(bp);
7783 /* falling through... */
7784 case INT_MODE_INTx:
Merav Sicron55c11942012-11-07 00:45:48 +00007785 bp->num_ethernet_queues = 1;
7786 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
Merav Sicron51c1a582012-03-18 10:33:38 +00007787 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007788 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007789 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007790 /* if we can't use MSI-X we only need one fp,
7791 * so try to enable MSI-X with the requested number of fp's
7792 * and fallback to MSI or legacy INTx with one fp
7793 */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007794 if (bnx2x_enable_msix(bp) ||
7795 bp->flags & USING_SINGLE_MSIX_FLAG) {
7796 /* failed to enable multiple MSI-X */
7797 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
Merav Sicron55c11942012-11-07 00:45:48 +00007798 bp->num_queues,
7799 1 + bp->num_cnic_queues);
Merav Sicron51c1a582012-03-18 10:33:38 +00007800
Merav Sicron55c11942012-11-07 00:45:48 +00007801 bp->num_queues = 1 + bp->num_cnic_queues;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007802
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007803 /* Try to enable MSI */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007804 if (!(bp->flags & USING_SINGLE_MSIX_FLAG) &&
7805 !(bp->flags & DISABLE_MSI_FLAG))
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007806 bnx2x_enable_msi(bp);
7807 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007808 break;
7809 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007810}
7811
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007812/* must be called prioir to any HW initializations */
7813static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7814{
7815 return L2_ILT_LINES(bp);
7816}
7817
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007818void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007819{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007820 struct ilt_client_info *ilt_client;
7821 struct bnx2x_ilt *ilt = BP_ILT(bp);
7822 u16 line = 0;
7823
7824 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7825 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7826
7827 /* CDU */
7828 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7829 ilt_client->client_num = ILT_CLIENT_CDU;
7830 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7831 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7832 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007833 line += bnx2x_cid_ilt_lines(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00007834
7835 if (CNIC_SUPPORT(bp))
7836 line += CNIC_ILT_LINES;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007837 ilt_client->end = line - 1;
7838
Merav Sicron51c1a582012-03-18 10:33:38 +00007839 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 +00007840 ilt_client->start,
7841 ilt_client->end,
7842 ilt_client->page_size,
7843 ilt_client->flags,
7844 ilog2(ilt_client->page_size >> 12));
7845
7846 /* QM */
7847 if (QM_INIT(bp->qm_cid_count)) {
7848 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7849 ilt_client->client_num = ILT_CLIENT_QM;
7850 ilt_client->page_size = QM_ILT_PAGE_SZ;
7851 ilt_client->flags = 0;
7852 ilt_client->start = line;
7853
7854 /* 4 bytes for each cid */
7855 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7856 QM_ILT_PAGE_SZ);
7857
7858 ilt_client->end = line - 1;
7859
Merav Sicron51c1a582012-03-18 10:33:38 +00007860 DP(NETIF_MSG_IFUP,
7861 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007862 ilt_client->start,
7863 ilt_client->end,
7864 ilt_client->page_size,
7865 ilt_client->flags,
7866 ilog2(ilt_client->page_size >> 12));
7867
7868 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007869
Merav Sicron55c11942012-11-07 00:45:48 +00007870 if (CNIC_SUPPORT(bp)) {
7871 /* SRC */
7872 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7873 ilt_client->client_num = ILT_CLIENT_SRC;
7874 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7875 ilt_client->flags = 0;
7876 ilt_client->start = line;
7877 line += SRC_ILT_LINES;
7878 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007879
Merav Sicron55c11942012-11-07 00:45:48 +00007880 DP(NETIF_MSG_IFUP,
7881 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
7882 ilt_client->start,
7883 ilt_client->end,
7884 ilt_client->page_size,
7885 ilt_client->flags,
7886 ilog2(ilt_client->page_size >> 12));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007887
Merav Sicron55c11942012-11-07 00:45:48 +00007888 /* TM */
7889 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7890 ilt_client->client_num = ILT_CLIENT_TM;
7891 ilt_client->page_size = TM_ILT_PAGE_SZ;
7892 ilt_client->flags = 0;
7893 ilt_client->start = line;
7894 line += TM_ILT_LINES;
7895 ilt_client->end = line - 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007896
Merav Sicron55c11942012-11-07 00:45:48 +00007897 DP(NETIF_MSG_IFUP,
7898 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
7899 ilt_client->start,
7900 ilt_client->end,
7901 ilt_client->page_size,
7902 ilt_client->flags,
7903 ilog2(ilt_client->page_size >> 12));
7904 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007905
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007906 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007907}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007908
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007909/**
7910 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7911 *
7912 * @bp: driver handle
7913 * @fp: pointer to fastpath
7914 * @init_params: pointer to parameters structure
7915 *
7916 * parameters configured:
7917 * - HC configuration
7918 * - Queue's CDU context
7919 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00007920static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007921 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007922{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007923
7924 u8 cos;
Merav Sicrona0529972012-06-19 07:48:25 +00007925 int cxt_index, cxt_offset;
7926
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007927 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7928 if (!IS_FCOE_FP(fp)) {
7929 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7930 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7931
7932 /* If HC is supporterd, enable host coalescing in the transition
7933 * to INIT state.
7934 */
7935 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7936 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7937
7938 /* HC rate */
7939 init_params->rx.hc_rate = bp->rx_ticks ?
7940 (1000000 / bp->rx_ticks) : 0;
7941 init_params->tx.hc_rate = bp->tx_ticks ?
7942 (1000000 / bp->tx_ticks) : 0;
7943
7944 /* FW SB ID */
7945 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7946 fp->fw_sb_id;
7947
7948 /*
7949 * CQ index among the SB indices: FCoE clients uses the default
7950 * SB, therefore it's different.
7951 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007952 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7953 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007954 }
7955
Ariel Elior6383c0b2011-07-14 08:31:57 +00007956 /* set maximum number of COSs supported by this queue */
7957 init_params->max_cos = fp->max_cos;
7958
Merav Sicron51c1a582012-03-18 10:33:38 +00007959 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007960 fp->index, init_params->max_cos);
7961
7962 /* set the context pointers queue object */
Merav Sicrona0529972012-06-19 07:48:25 +00007963 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
Merav Sicron65565882012-06-19 07:48:26 +00007964 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
7965 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
Merav Sicrona0529972012-06-19 07:48:25 +00007966 ILT_PAGE_CIDS);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007967 init_params->cxts[cos] =
Merav Sicrona0529972012-06-19 07:48:25 +00007968 &bp->context[cxt_index].vcxt[cxt_offset].eth;
7969 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007970}
7971
Merav Sicron910cc722012-11-11 03:56:08 +00007972static int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00007973 struct bnx2x_queue_state_params *q_params,
7974 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7975 int tx_index, bool leading)
7976{
7977 memset(tx_only_params, 0, sizeof(*tx_only_params));
7978
7979 /* Set the command */
7980 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7981
7982 /* Set tx-only QUEUE flags: don't zero statistics */
7983 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7984
7985 /* choose the index of the cid to send the slow path on */
7986 tx_only_params->cid_index = tx_index;
7987
7988 /* Set general TX_ONLY_SETUP parameters */
7989 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7990
7991 /* Set Tx TX_ONLY_SETUP parameters */
7992 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7993
Merav Sicron51c1a582012-03-18 10:33:38 +00007994 DP(NETIF_MSG_IFUP,
7995 "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 +00007996 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7997 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7998 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7999
8000 /* send the ramrod */
8001 return bnx2x_queue_state_change(bp, q_params);
8002}
8003
8004
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008005/**
8006 * bnx2x_setup_queue - setup queue
8007 *
8008 * @bp: driver handle
8009 * @fp: pointer to fastpath
8010 * @leading: is leading
8011 *
8012 * This function performs 2 steps in a Queue state machine
8013 * actually: 1) RESET->INIT 2) INIT->SETUP
8014 */
8015
8016int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
8017 bool leading)
8018{
Yuval Mintz3b603062012-03-18 10:33:39 +00008019 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008020 struct bnx2x_queue_setup_params *setup_params =
8021 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008022 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
8023 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008024 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008025 u8 tx_index;
8026
Merav Sicron51c1a582012-03-18 10:33:38 +00008027 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008028
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008029 /* reset IGU state skip FCoE L2 queue */
8030 if (!IS_FCOE_FP(fp))
8031 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008032 IGU_INT_ENABLE, 0);
8033
Barak Witkowski15192a82012-06-19 07:48:28 +00008034 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008035 /* We want to wait for completion in this context */
8036 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008037
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008038 /* Prepare the INIT parameters */
8039 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008040
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008041 /* Set the command */
8042 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008043
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008044 /* Change the state to INIT */
8045 rc = bnx2x_queue_state_change(bp, &q_params);
8046 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00008047 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008048 return rc;
8049 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008050
Merav Sicron51c1a582012-03-18 10:33:38 +00008051 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00008052
8053
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008054 /* Now move the Queue to the SETUP state... */
8055 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008056
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008057 /* Set QUEUE flags */
8058 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008059
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008060 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00008061 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
8062 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008063
Ariel Elior6383c0b2011-07-14 08:31:57 +00008064 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008065 &setup_params->rxq_params);
8066
Ariel Elior6383c0b2011-07-14 08:31:57 +00008067 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
8068 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008069
8070 /* Set the command */
8071 q_params.cmd = BNX2X_Q_CMD_SETUP;
8072
Merav Sicron55c11942012-11-07 00:45:48 +00008073 if (IS_FCOE_FP(fp))
8074 bp->fcoe_init = true;
8075
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008076 /* Change the state to SETUP */
8077 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008078 if (rc) {
8079 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
8080 return rc;
8081 }
8082
8083 /* loop through the relevant tx-only indices */
8084 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8085 tx_index < fp->max_cos;
8086 tx_index++) {
8087
8088 /* prepare and send tx-only ramrod*/
8089 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
8090 tx_only_params, tx_index, leading);
8091 if (rc) {
8092 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
8093 fp->index, tx_index);
8094 return rc;
8095 }
8096 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008097
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008098 return rc;
8099}
8100
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008101static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008102{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008103 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008104 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00008105 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00008106 int rc, tx_index;
8107
Merav Sicron51c1a582012-03-18 10:33:38 +00008108 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008109
Barak Witkowski15192a82012-06-19 07:48:28 +00008110 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008111 /* We want to wait for completion in this context */
8112 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008113
Ariel Elior6383c0b2011-07-14 08:31:57 +00008114
8115 /* close tx-only connections */
8116 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8117 tx_index < fp->max_cos;
8118 tx_index++){
8119
8120 /* ascertain this is a normal queue*/
Merav Sicron65565882012-06-19 07:48:26 +00008121 txdata = fp->txdata_ptr[tx_index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00008122
Merav Sicron51c1a582012-03-18 10:33:38 +00008123 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00008124 txdata->txq_index);
8125
8126 /* send halt terminate on tx-only connection */
8127 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
8128 memset(&q_params.params.terminate, 0,
8129 sizeof(q_params.params.terminate));
8130 q_params.params.terminate.cid_index = tx_index;
8131
8132 rc = bnx2x_queue_state_change(bp, &q_params);
8133 if (rc)
8134 return rc;
8135
8136 /* send halt terminate on tx-only connection */
8137 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
8138 memset(&q_params.params.cfc_del, 0,
8139 sizeof(q_params.params.cfc_del));
8140 q_params.params.cfc_del.cid_index = tx_index;
8141 rc = bnx2x_queue_state_change(bp, &q_params);
8142 if (rc)
8143 return rc;
8144 }
8145 /* Stop the primary connection: */
8146 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008147 q_params.cmd = BNX2X_Q_CMD_HALT;
8148 rc = bnx2x_queue_state_change(bp, &q_params);
8149 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008150 return rc;
8151
Ariel Elior6383c0b2011-07-14 08:31:57 +00008152 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008153 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008154 memset(&q_params.params.terminate, 0,
8155 sizeof(q_params.params.terminate));
8156 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008157 rc = bnx2x_queue_state_change(bp, &q_params);
8158 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008159 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008160 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008161 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00008162 memset(&q_params.params.cfc_del, 0,
8163 sizeof(q_params.params.cfc_del));
8164 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008165 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008166}
8167
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008168
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008169static void bnx2x_reset_func(struct bnx2x *bp)
8170{
8171 int port = BP_PORT(bp);
8172 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008173 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008174
8175 /* Disable the function in the FW */
8176 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8177 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8178 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8179 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8180
8181 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008182 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008183 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008184 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008185 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8186 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008187 }
8188
Merav Sicron55c11942012-11-07 00:45:48 +00008189 if (CNIC_LOADED(bp))
8190 /* CNIC SB */
8191 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8192 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET
8193 (bnx2x_cnic_fw_sb_id(bp)), SB_DISABLED);
8194
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008195 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008196 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008197 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8198 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008199
8200 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8201 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8202 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008203
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008204 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008205 if (bp->common.int_block == INT_BLOCK_HC) {
8206 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8207 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8208 } else {
8209 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8210 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8211 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008212
Merav Sicron55c11942012-11-07 00:45:48 +00008213 if (CNIC_LOADED(bp)) {
8214 /* Disable Timer scan */
8215 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8216 /*
8217 * Wait for at least 10ms and up to 2 second for the timers
8218 * scan to complete
8219 */
8220 for (i = 0; i < 200; i++) {
8221 msleep(10);
8222 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8223 break;
8224 }
Michael Chan37b091b2009-10-10 13:46:55 +00008225 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008226 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008227 bnx2x_clear_func_ilt(bp, func);
8228
8229 /* Timers workaround bug for E2: if this is vnic-3,
8230 * we need to set the entire ilt range for this timers.
8231 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008232 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008233 struct ilt_client_info ilt_cli;
8234 /* use dummy TM client */
8235 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8236 ilt_cli.start = 0;
8237 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8238 ilt_cli.client_num = ILT_CLIENT_TM;
8239
8240 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8241 }
8242
8243 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008244 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008245 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008246
8247 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008248}
8249
8250static void bnx2x_reset_port(struct bnx2x *bp)
8251{
8252 int port = BP_PORT(bp);
8253 u32 val;
8254
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008255 /* Reset physical Link */
8256 bnx2x__link_reset(bp);
8257
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008258 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8259
8260 /* Do not rcv packets to BRB */
8261 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8262 /* Do not direct rcv packets that are not for MCP to the BRB */
8263 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8264 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8265
8266 /* Configure AEU */
8267 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8268
8269 msleep(100);
8270 /* Check for BRB port occupancy */
8271 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8272 if (val)
8273 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008274 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008275
8276 /* TODO: Close Doorbell port? */
8277}
8278
Eric Dumazet1191cb82012-04-27 21:39:21 +00008279static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008280{
Yuval Mintz3b603062012-03-18 10:33:39 +00008281 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008282
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008283 /* Prepare parameters for function state transitions */
8284 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008285
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008286 func_params.f_obj = &bp->func_obj;
8287 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008288
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008289 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008290
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008291 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008292}
8293
Eric Dumazet1191cb82012-04-27 21:39:21 +00008294static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008295{
Yuval Mintz3b603062012-03-18 10:33:39 +00008296 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008297 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008298
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008299 /* Prepare parameters for function state transitions */
8300 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8301 func_params.f_obj = &bp->func_obj;
8302 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008303
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008304 /*
8305 * Try to stop the function the 'good way'. If fails (in case
8306 * of a parity error during bnx2x_chip_cleanup()) and we are
8307 * not in a debug mode, perform a state transaction in order to
8308 * enable further HW_RESET transaction.
8309 */
8310 rc = bnx2x_func_state_change(bp, &func_params);
8311 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008312#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008313 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008314#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008315 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008316 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8317 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008318#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008319 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008320
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008321 return 0;
8322}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008323
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008324/**
8325 * bnx2x_send_unload_req - request unload mode from the MCP.
8326 *
8327 * @bp: driver handle
8328 * @unload_mode: requested function's unload mode
8329 *
8330 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8331 */
8332u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8333{
8334 u32 reset_code = 0;
8335 int port = BP_PORT(bp);
8336
8337 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008338 if (unload_mode == UNLOAD_NORMAL)
8339 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008340
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008341 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008342 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008343
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008344 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008345 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008346 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008347 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008348 u16 pmc;
8349
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008350 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008351 * preserve entry 0 which is used by the PMF
8352 */
David S. Miller8decf862011-09-22 03:23:13 -04008353 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008354
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008355 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008356 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008357
8358 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8359 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008360 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008361
David S. Miller88c51002011-10-07 13:38:43 -04008362 /* Enable the PME and clear the status */
8363 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8364 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8365 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8366
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008367 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008368
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008369 } else
8370 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8371
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008372 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008373 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008374 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008375 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008376 int path = BP_PATH(bp);
8377
Merav Sicron51c1a582012-03-18 10:33:38 +00008378 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008379 path, load_count[path][0], load_count[path][1],
8380 load_count[path][2]);
8381 load_count[path][0]--;
8382 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008383 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008384 path, load_count[path][0], load_count[path][1],
8385 load_count[path][2]);
8386 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008387 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008388 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008389 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8390 else
8391 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8392 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008393
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008394 return reset_code;
8395}
8396
8397/**
8398 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8399 *
8400 * @bp: driver handle
Yuval Mintz5d07d862012-09-13 02:56:21 +00008401 * @keep_link: true iff link should be kept up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008402 */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008403void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008404{
Yuval Mintz5d07d862012-09-13 02:56:21 +00008405 u32 reset_param = keep_link ? DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET : 0;
8406
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008407 /* Report UNLOAD_DONE to MCP */
8408 if (!BP_NOMCP(bp))
Yuval Mintz5d07d862012-09-13 02:56:21 +00008409 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, reset_param);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008410}
8411
Eric Dumazet1191cb82012-04-27 21:39:21 +00008412static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008413{
8414 int tout = 50;
8415 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8416
8417 if (!bp->port.pmf)
8418 return 0;
8419
8420 /*
8421 * (assumption: No Attention from MCP at this stage)
8422 * PMF probably in the middle of TXdisable/enable transaction
8423 * 1. Sync IRS for default SB
8424 * 2. Sync SP queue - this guarantes us that attention handling started
8425 * 3. Wait, that TXdisable/enable transaction completes
8426 *
8427 * 1+2 guranty that if DCBx attention was scheduled it already changed
8428 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
8429 * received complettion for the transaction the state is TX_STOPPED.
8430 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8431 * transaction.
8432 */
8433
8434 /* make sure default SB ISR is done */
8435 if (msix)
8436 synchronize_irq(bp->msix_table[0].vector);
8437 else
8438 synchronize_irq(bp->pdev->irq);
8439
8440 flush_workqueue(bnx2x_wq);
8441
8442 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8443 BNX2X_F_STATE_STARTED && tout--)
8444 msleep(20);
8445
8446 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8447 BNX2X_F_STATE_STARTED) {
8448#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008449 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008450 return -EBUSY;
8451#else
8452 /*
8453 * Failed to complete the transaction in a "good way"
8454 * Force both transactions with CLR bit
8455 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008456 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008457
Merav Sicron51c1a582012-03-18 10:33:38 +00008458 DP(NETIF_MSG_IFDOWN,
8459 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008460
8461 func_params.f_obj = &bp->func_obj;
8462 __set_bit(RAMROD_DRV_CLR_ONLY,
8463 &func_params.ramrod_flags);
8464
8465 /* STARTED-->TX_ST0PPED */
8466 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8467 bnx2x_func_state_change(bp, &func_params);
8468
8469 /* TX_ST0PPED-->STARTED */
8470 func_params.cmd = BNX2X_F_CMD_TX_START;
8471 return bnx2x_func_state_change(bp, &func_params);
8472#endif
8473 }
8474
8475 return 0;
8476}
8477
Yuval Mintz5d07d862012-09-13 02:56:21 +00008478void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008479{
8480 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008481 int i, rc = 0;
8482 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008483 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008484 u32 reset_code;
8485
8486 /* Wait until tx fastpath tasks complete */
8487 for_each_tx_queue(bp, i) {
8488 struct bnx2x_fastpath *fp = &bp->fp[i];
8489
Ariel Elior6383c0b2011-07-14 08:31:57 +00008490 for_each_cos_in_tx_queue(fp, cos)
Merav Sicron65565882012-06-19 07:48:26 +00008491 rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008492#ifdef BNX2X_STOP_ON_ERROR
8493 if (rc)
8494 return;
8495#endif
8496 }
8497
8498 /* Give HW time to discard old tx messages */
8499 usleep_range(1000, 1000);
8500
8501 /* Clean all ETH MACs */
Barak Witkowski15192a82012-06-19 07:48:28 +00008502 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
8503 false);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008504 if (rc < 0)
8505 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8506
8507 /* Clean up UC list */
Barak Witkowski15192a82012-06-19 07:48:28 +00008508 rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008509 true);
8510 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008511 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8512 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008513
8514 /* Disable LLH */
8515 if (!CHIP_IS_E1(bp))
8516 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8517
8518 /* Set "drop all" (stop Rx).
8519 * We need to take a netif_addr_lock() here in order to prevent
8520 * a race between the completion code and this code.
8521 */
8522 netif_addr_lock_bh(bp->dev);
8523 /* Schedule the rx_mode command */
8524 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8525 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8526 else
8527 bnx2x_set_storm_rx_mode(bp);
8528
8529 /* Cleanup multicast configuration */
8530 rparam.mcast_obj = &bp->mcast_obj;
8531 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8532 if (rc < 0)
8533 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8534
8535 netif_addr_unlock_bh(bp->dev);
8536
8537
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008538
8539 /*
8540 * Send the UNLOAD_REQUEST to the MCP. This will return if
8541 * this function should perform FUNC, PORT or COMMON HW
8542 * reset.
8543 */
8544 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8545
8546 /*
8547 * (assumption: No Attention from MCP at this stage)
8548 * PMF probably in the middle of TXdisable/enable transaction
8549 */
8550 rc = bnx2x_func_wait_started(bp);
8551 if (rc) {
8552 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8553#ifdef BNX2X_STOP_ON_ERROR
8554 return;
8555#endif
8556 }
8557
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008558 /* Close multi and leading connections
8559 * Completions for ramrods are collected in a synchronous way
8560 */
Merav Sicron55c11942012-11-07 00:45:48 +00008561 for_each_eth_queue(bp, i)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008562 if (bnx2x_stop_queue(bp, i))
8563#ifdef BNX2X_STOP_ON_ERROR
8564 return;
8565#else
8566 goto unload_error;
8567#endif
Merav Sicron55c11942012-11-07 00:45:48 +00008568
8569 if (CNIC_LOADED(bp)) {
8570 for_each_cnic_queue(bp, i)
8571 if (bnx2x_stop_queue(bp, i))
8572#ifdef BNX2X_STOP_ON_ERROR
8573 return;
8574#else
8575 goto unload_error;
8576#endif
8577 }
8578
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008579 /* If SP settings didn't get completed so far - something
8580 * very wrong has happen.
8581 */
8582 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8583 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8584
8585#ifndef BNX2X_STOP_ON_ERROR
8586unload_error:
8587#endif
8588 rc = bnx2x_func_stop(bp);
8589 if (rc) {
8590 BNX2X_ERR("Function stop failed!\n");
8591#ifdef BNX2X_STOP_ON_ERROR
8592 return;
8593#endif
8594 }
8595
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008596 /* Disable HW interrupts, NAPI */
8597 bnx2x_netif_stop(bp, 1);
Merav Sicron26614ba2012-08-27 03:26:19 +00008598 /* Delete all NAPI objects */
8599 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +00008600 if (CNIC_LOADED(bp))
8601 bnx2x_del_all_napi_cnic(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008602
8603 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008604 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008605
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008606 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008607 rc = bnx2x_reset_hw(bp, reset_code);
8608 if (rc)
8609 BNX2X_ERR("HW_RESET failed\n");
8610
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008611
8612 /* Report UNLOAD_DONE to MCP */
Yuval Mintz5d07d862012-09-13 02:56:21 +00008613 bnx2x_send_unload_done(bp, keep_link);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008614}
8615
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008616void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008617{
8618 u32 val;
8619
Merav Sicron51c1a582012-03-18 10:33:38 +00008620 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008621
8622 if (CHIP_IS_E1(bp)) {
8623 int port = BP_PORT(bp);
8624 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8625 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8626
8627 val = REG_RD(bp, addr);
8628 val &= ~(0x300);
8629 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008630 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008631 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8632 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8633 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8634 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8635 }
8636}
8637
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008638/* Close gates #2, #3 and #4: */
8639static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8640{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008641 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008642
8643 /* Gates #2 and #4a are closed/opened for "not E1" only */
8644 if (!CHIP_IS_E1(bp)) {
8645 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008646 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008647 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008648 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008649 }
8650
8651 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008652 if (CHIP_IS_E1x(bp)) {
8653 /* Prevent interrupts from HC on both ports */
8654 val = REG_RD(bp, HC_REG_CONFIG_1);
8655 REG_WR(bp, HC_REG_CONFIG_1,
8656 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8657 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8658
8659 val = REG_RD(bp, HC_REG_CONFIG_0);
8660 REG_WR(bp, HC_REG_CONFIG_0,
8661 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8662 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8663 } else {
8664 /* Prevent incomming interrupts in IGU */
8665 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8666
8667 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8668 (!close) ?
8669 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8670 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8671 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008672
Merav Sicron51c1a582012-03-18 10:33:38 +00008673 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008674 close ? "closing" : "opening");
8675 mmiowb();
8676}
8677
8678#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8679
8680static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8681{
8682 /* Do some magic... */
8683 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8684 *magic_val = val & SHARED_MF_CLP_MAGIC;
8685 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8686}
8687
Dmitry Kravkove8920672011-05-04 23:52:40 +00008688/**
8689 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008690 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008691 * @bp: driver handle
8692 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008693 */
8694static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8695{
8696 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008697 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8698 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8699 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8700}
8701
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008702/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008703 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008704 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008705 * @bp: driver handle
8706 * @magic_val: old value of 'magic' bit.
8707 *
8708 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008709 */
8710static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8711{
8712 u32 shmem;
8713 u32 validity_offset;
8714
Merav Sicron51c1a582012-03-18 10:33:38 +00008715 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008716
8717 /* Set `magic' bit in order to save MF config */
8718 if (!CHIP_IS_E1(bp))
8719 bnx2x_clp_reset_prep(bp, magic_val);
8720
8721 /* Get shmem offset */
8722 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Barak Witkowskic55e7712012-12-02 04:05:46 +00008723 validity_offset =
8724 offsetof(struct shmem_region, validity_map[BP_PORT(bp)]);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008725
8726 /* Clear validity map flags */
8727 if (shmem > 0)
8728 REG_WR(bp, shmem + validity_offset, 0);
8729}
8730
8731#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8732#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8733
Dmitry Kravkove8920672011-05-04 23:52:40 +00008734/**
8735 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008736 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008737 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008738 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008739static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008740{
8741 /* special handling for emulation and FPGA,
8742 wait 10 times longer */
8743 if (CHIP_REV_IS_SLOW(bp))
8744 msleep(MCP_ONE_TIMEOUT*10);
8745 else
8746 msleep(MCP_ONE_TIMEOUT);
8747}
8748
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008749/*
8750 * initializes bp->common.shmem_base and waits for validity signature to appear
8751 */
8752static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008753{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008754 int cnt = 0;
8755 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008756
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008757 do {
8758 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8759 if (bp->common.shmem_base) {
8760 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8761 if (val & SHR_MEM_VALIDITY_MB)
8762 return 0;
8763 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008764
8765 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008766
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008767 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008768
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008769 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008770
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008771 return -ENODEV;
8772}
8773
8774static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8775{
8776 int rc = bnx2x_init_shmem(bp);
8777
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008778 /* Restore the `magic' bit value */
8779 if (!CHIP_IS_E1(bp))
8780 bnx2x_clp_reset_done(bp, magic_val);
8781
8782 return rc;
8783}
8784
8785static void bnx2x_pxp_prep(struct bnx2x *bp)
8786{
8787 if (!CHIP_IS_E1(bp)) {
8788 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8789 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008790 mmiowb();
8791 }
8792}
8793
8794/*
8795 * Reset the whole chip except for:
8796 * - PCIE core
8797 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8798 * one reset bit)
8799 * - IGU
8800 * - MISC (including AEU)
8801 * - GRC
8802 * - RBCN, RBCP
8803 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008804static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008805{
8806 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008807 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008808
8809 /*
8810 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8811 * (per chip) blocks.
8812 */
8813 global_bits2 =
8814 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8815 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008816
Barak Witkowskic55e7712012-12-02 04:05:46 +00008817 /* Don't reset the following blocks.
8818 * Important: per port blocks (such as EMAC, BMAC, UMAC) can't be
8819 * reset, as in 4 port device they might still be owned
8820 * by the MCP (there is only one leader per path).
8821 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008822 not_reset_mask1 =
8823 MISC_REGISTERS_RESET_REG_1_RST_HC |
8824 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8825 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8826
8827 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008828 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008829 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8830 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8831 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8832 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8833 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8834 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008835 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8836 MISC_REGISTERS_RESET_REG_2_RST_ATC |
Barak Witkowskic55e7712012-12-02 04:05:46 +00008837 MISC_REGISTERS_RESET_REG_2_PGLC |
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;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008844
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008845 /*
8846 * Keep the following blocks in reset:
8847 * - all xxMACs are handled by the bnx2x_link code.
8848 */
8849 stay_reset2 =
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008850 MISC_REGISTERS_RESET_REG_2_XMAC |
8851 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8852
8853 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008854 reset_mask1 = 0xffffffff;
8855
8856 if (CHIP_IS_E1(bp))
8857 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008858 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008859 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008860 else if (CHIP_IS_E2(bp))
8861 reset_mask2 = 0xfffff;
8862 else /* CHIP_IS_E3 */
8863 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008864
8865 /* Don't reset global blocks unless we need to */
8866 if (!global)
8867 reset_mask2 &= ~global_bits2;
8868
8869 /*
8870 * In case of attention in the QM, we need to reset PXP
8871 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8872 * because otherwise QM reset would release 'close the gates' shortly
8873 * before resetting the PXP, then the PSWRQ would send a write
8874 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8875 * read the payload data from PSWWR, but PSWWR would not
8876 * respond. The write queue in PGLUE would stuck, dmae commands
8877 * would not return. Therefore it's important to reset the second
8878 * reset register (containing the
8879 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8880 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8881 * bit).
8882 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008883 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8884 reset_mask2 & (~not_reset_mask2));
8885
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008886 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8887 reset_mask1 & (~not_reset_mask1));
8888
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008889 barrier();
8890 mmiowb();
8891
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008892 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8893 reset_mask2 & (~stay_reset2));
8894
8895 barrier();
8896 mmiowb();
8897
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008898 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008899 mmiowb();
8900}
8901
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008902/**
8903 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8904 * It should get cleared in no more than 1s.
8905 *
8906 * @bp: driver handle
8907 *
8908 * It should get cleared in no more than 1s. Returns 0 if
8909 * pending writes bit gets cleared.
8910 */
8911static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8912{
8913 u32 cnt = 1000;
8914 u32 pend_bits = 0;
8915
8916 do {
8917 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8918
8919 if (pend_bits == 0)
8920 break;
8921
8922 usleep_range(1000, 1000);
8923 } while (cnt-- > 0);
8924
8925 if (cnt <= 0) {
8926 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8927 pend_bits);
8928 return -EBUSY;
8929 }
8930
8931 return 0;
8932}
8933
8934static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008935{
8936 int cnt = 1000;
8937 u32 val = 0;
8938 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
Barak Witkowskic55e7712012-12-02 04:05:46 +00008939 u32 tags_63_32 = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008940
8941
8942 /* Empty the Tetris buffer, wait for 1s */
8943 do {
8944 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8945 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8946 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8947 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8948 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
Barak Witkowskic55e7712012-12-02 04:05:46 +00008949 if (CHIP_IS_E3(bp))
8950 tags_63_32 = REG_RD(bp, PGLUE_B_REG_TAGS_63_32);
8951
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008952 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8953 ((port_is_idle_0 & 0x1) == 0x1) &&
8954 ((port_is_idle_1 & 0x1) == 0x1) &&
Barak Witkowskic55e7712012-12-02 04:05:46 +00008955 (pgl_exp_rom2 == 0xffffffff) &&
8956 (!CHIP_IS_E3(bp) || (tags_63_32 == 0xffffffff)))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008957 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008958 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008959 } while (cnt-- > 0);
8960
8961 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008962 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
8963 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 +00008964 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8965 pgl_exp_rom2);
8966 return -EAGAIN;
8967 }
8968
8969 barrier();
8970
8971 /* Close gates #2, #3 and #4 */
8972 bnx2x_set_234_gates(bp, true);
8973
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008974 /* Poll for IGU VQs for 57712 and newer chips */
8975 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8976 return -EAGAIN;
8977
8978
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008979 /* TBD: Indicate that "process kill" is in progress to MCP */
8980
8981 /* Clear "unprepared" bit */
8982 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8983 barrier();
8984
8985 /* Make sure all is written to the chip before the reset */
8986 mmiowb();
8987
8988 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8989 * PSWHST, GRC and PSWRD Tetris buffer.
8990 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008991 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008992
8993 /* Prepare to chip reset: */
8994 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008995 if (global)
8996 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008997
8998 /* PXP */
8999 bnx2x_pxp_prep(bp);
9000 barrier();
9001
9002 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009003 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009004 barrier();
9005
9006 /* Recover after reset: */
9007 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009008 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009009 return -EAGAIN;
9010
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009011 /* TBD: Add resetting the NO_MCP mode DB here */
9012
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009013 /* Open the gates #2, #3 and #4 */
9014 bnx2x_set_234_gates(bp, false);
9015
9016 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
9017 * reset state, re-enable attentions. */
9018
9019 return 0;
9020}
9021
Merav Sicron910cc722012-11-11 03:56:08 +00009022static int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009023{
9024 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009025 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009026 u32 load_code;
9027
9028 /* if not going to reset MCP - load "fake" driver to reset HW while
9029 * driver is owner of the HW
9030 */
9031 if (!global && !BP_NOMCP(bp)) {
Yuval Mintz5d07d862012-09-13 02:56:21 +00009032 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
9033 DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
Ariel Elior95c6c6162012-01-26 06:01:52 +00009034 if (!load_code) {
9035 BNX2X_ERR("MCP response failure, aborting\n");
9036 rc = -EAGAIN;
9037 goto exit_leader_reset;
9038 }
9039 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
9040 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
9041 BNX2X_ERR("MCP unexpected resp, aborting\n");
9042 rc = -EAGAIN;
9043 goto exit_leader_reset2;
9044 }
9045 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
9046 if (!load_code) {
9047 BNX2X_ERR("MCP response failure, aborting\n");
9048 rc = -EAGAIN;
9049 goto exit_leader_reset2;
9050 }
9051 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009052
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009053 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009054 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009055 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
9056 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009057 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009058 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009059 }
9060
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009061 /*
9062 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
9063 * state.
9064 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009065 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009066 if (global)
9067 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009068
Ariel Elior95c6c6162012-01-26 06:01:52 +00009069exit_leader_reset2:
9070 /* unload "fake driver" if it was loaded */
9071 if (!global && !BP_NOMCP(bp)) {
9072 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
9073 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9074 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009075exit_leader_reset:
9076 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009077 bnx2x_release_leader_lock(bp);
9078 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009079 return rc;
9080}
9081
Eric Dumazet1191cb82012-04-27 21:39:21 +00009082static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009083{
9084 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
9085
9086 /* Disconnect this device */
9087 netif_device_detach(bp->dev);
9088
9089 /*
9090 * Block ifup for all function on this engine until "process kill"
9091 * or power cycle.
9092 */
9093 bnx2x_set_reset_in_progress(bp);
9094
9095 /* Shut down the power */
9096 bnx2x_set_power_state(bp, PCI_D3hot);
9097
9098 bp->recovery_state = BNX2X_RECOVERY_FAILED;
9099
9100 smp_mb();
9101}
9102
9103/*
9104 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00009105 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009106 * will never be called when netif_running(bp->dev) is false.
9107 */
9108static void bnx2x_parity_recover(struct bnx2x *bp)
9109{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009110 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00009111 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009112 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009113
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009114 DP(NETIF_MSG_HW, "Handling parity\n");
9115 while (1) {
9116 switch (bp->recovery_state) {
9117 case BNX2X_RECOVERY_INIT:
9118 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009119 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
9120 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009121
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009122 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009123 if (bnx2x_trylock_leader_lock(bp)) {
9124 bnx2x_set_reset_in_progress(bp);
9125 /*
9126 * Check if there is a global attention and if
9127 * there was a global attention, set the global
9128 * reset bit.
9129 */
9130
9131 if (global)
9132 bnx2x_set_reset_global(bp);
9133
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009134 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009135 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009136
9137 /* Stop the driver */
9138 /* If interface has been removed - break */
Yuval Mintz5d07d862012-09-13 02:56:21 +00009139 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY, false))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009140 return;
9141
9142 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009143
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009144 /* Ensure "is_leader", MCP command sequence and
9145 * "recovery_state" update values are seen on other
9146 * CPUs.
9147 */
9148 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009149 break;
9150
9151 case BNX2X_RECOVERY_WAIT:
9152 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
9153 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009154 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00009155 bool other_load_status =
9156 bnx2x_get_load_status(bp, other_engine);
9157 bool load_status =
9158 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009159 global = bnx2x_reset_is_global(bp);
9160
9161 /*
9162 * In case of a parity in a global block, let
9163 * the first leader that performs a
9164 * leader_reset() reset the global blocks in
9165 * order to clear global attentions. Otherwise
9166 * the the gates will remain closed for that
9167 * engine.
9168 */
Ariel Elior889b9af2012-01-26 06:01:51 +00009169 if (load_status ||
9170 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009171 /* Wait until all other functions get
9172 * down.
9173 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009174 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009175 HZ/10);
9176 return;
9177 } else {
9178 /* If all other functions got down -
9179 * try to bring the chip back to
9180 * normal. In any case it's an exit
9181 * point for a leader.
9182 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009183 if (bnx2x_leader_reset(bp)) {
9184 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009185 return;
9186 }
9187
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009188 /* If we are here, means that the
9189 * leader has succeeded and doesn't
9190 * want to be a leader any more. Try
9191 * to continue as a none-leader.
9192 */
9193 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009194 }
9195 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009196 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009197 /* Try to get a LEADER_LOCK HW lock as
9198 * long as a former leader may have
9199 * been unloaded by the user or
9200 * released a leadership by another
9201 * reason.
9202 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009203 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009204 /* I'm a leader now! Restart a
9205 * switch case.
9206 */
9207 bp->is_leader = 1;
9208 break;
9209 }
9210
Ariel Elior7be08a72011-07-14 08:31:19 +00009211 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009212 HZ/10);
9213 return;
9214
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009215 } else {
9216 /*
9217 * If there was a global attention, wait
9218 * for it to be cleared.
9219 */
9220 if (bnx2x_reset_is_global(bp)) {
9221 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009222 &bp->sp_rtnl_task,
9223 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009224 return;
9225 }
9226
Ariel Elior7a752992012-01-26 06:01:53 +00009227 error_recovered =
9228 bp->eth_stats.recoverable_error;
9229 error_unrecovered =
9230 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009231 bp->recovery_state =
9232 BNX2X_RECOVERY_NIC_LOADING;
9233 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009234 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009235 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009236 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009237 /* Disconnect this device */
9238 netif_device_detach(bp->dev);
9239 /* Shut down the power */
9240 bnx2x_set_power_state(
9241 bp, PCI_D3hot);
9242 smp_mb();
9243 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009244 bp->recovery_state =
9245 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009246 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009247 smp_mb();
9248 }
Ariel Elior7a752992012-01-26 06:01:53 +00009249 bp->eth_stats.recoverable_error =
9250 error_recovered;
9251 bp->eth_stats.unrecoverable_error =
9252 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009253
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009254 return;
9255 }
9256 }
9257 default:
9258 return;
9259 }
9260 }
9261}
9262
Michal Schmidt56ad3152012-02-16 02:38:48 +00009263static int bnx2x_close(struct net_device *dev);
9264
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009265/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9266 * scheduled on a general queue in order to prevent a dead lock.
9267 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009268static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009269{
Ariel Elior7be08a72011-07-14 08:31:19 +00009270 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009271
9272 rtnl_lock();
9273
9274 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00009275 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009276
Ariel Elior7be08a72011-07-14 08:31:19 +00009277 /* if stop on error is defined no recovery flows should be executed */
9278#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009279 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 +00009280 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009281 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009282#endif
9283
9284 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9285 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009286 * Clear all pending SP commands as we are going to reset the
9287 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009288 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009289 bp->sp_rtnl_state = 0;
9290 smp_mb();
9291
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009292 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009293
9294 goto sp_rtnl_exit;
9295 }
9296
9297 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9298 /*
9299 * Clear all pending SP commands as we are going to reset the
9300 * function anyway.
9301 */
9302 bp->sp_rtnl_state = 0;
9303 smp_mb();
9304
Yuval Mintz5d07d862012-09-13 02:56:21 +00009305 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009306 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009307
9308 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009309 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009310#ifdef BNX2X_STOP_ON_ERROR
9311sp_rtnl_not_reset:
9312#endif
9313 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9314 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009315 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9316 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009317 /*
9318 * in case of fan failure we need to reset id if the "stop on error"
9319 * debug flag is set, since we trying to prevent permanent overheating
9320 * damage
9321 */
9322 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009323 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009324 netif_device_detach(bp->dev);
9325 bnx2x_close(bp->dev);
9326 }
9327
Ariel Elior7be08a72011-07-14 08:31:19 +00009328sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009329 rtnl_unlock();
9330}
9331
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009332/* end of nic load/unload */
9333
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009334static void bnx2x_period_task(struct work_struct *work)
9335{
9336 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9337
9338 if (!netif_running(bp->dev))
9339 goto period_task_exit;
9340
9341 if (CHIP_REV_IS_SLOW(bp)) {
9342 BNX2X_ERR("period task called on emulation, ignoring\n");
9343 goto period_task_exit;
9344 }
9345
9346 bnx2x_acquire_phy_lock(bp);
9347 /*
9348 * The barrier is needed to ensure the ordering between the writing to
9349 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9350 * the reading here.
9351 */
9352 smp_mb();
9353 if (bp->port.pmf) {
9354 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9355
9356 /* Re-queue task in 1 sec */
9357 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9358 }
9359
9360 bnx2x_release_phy_lock(bp);
9361period_task_exit:
9362 return;
9363}
9364
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009365/*
9366 * Init service functions
9367 */
9368
stephen hemminger8d962862010-10-21 07:50:56 +00009369static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009370{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009371 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9372 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9373 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009374}
9375
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009376static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009377{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009378 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009379
9380 /* Flush all outstanding writes */
9381 mmiowb();
9382
9383 /* Pretend to be function 0 */
9384 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009385 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009386
9387 /* From now we are in the "like-E1" mode */
9388 bnx2x_int_disable(bp);
9389
9390 /* Flush all outstanding writes */
9391 mmiowb();
9392
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009393 /* Restore the original function */
9394 REG_WR(bp, reg, BP_ABS_FUNC(bp));
9395 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009396}
9397
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009398static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009399{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009400 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009401 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009402 else
9403 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009404}
9405
Yuval Mintz452427b2012-03-26 20:47:07 +00009406static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009407{
Yuval Mintz452427b2012-03-26 20:47:07 +00009408 u32 val, base_addr, offset, mask, reset_reg;
9409 bool mac_stopped = false;
9410 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009411
Yuval Mintz452427b2012-03-26 20:47:07 +00009412 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009413
Yuval Mintz452427b2012-03-26 20:47:07 +00009414 if (!CHIP_IS_E3(bp)) {
9415 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9416 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9417 if ((mask & reset_reg) && val) {
9418 u32 wb_data[2];
9419 BNX2X_DEV_INFO("Disable bmac Rx\n");
9420 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9421 : NIG_REG_INGRESS_BMAC0_MEM;
9422 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9423 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009424
Yuval Mintz452427b2012-03-26 20:47:07 +00009425 /*
9426 * use rd/wr since we cannot use dmae. This is safe
9427 * since MCP won't access the bus due to the request
9428 * to unload, and no function on the path can be
9429 * loaded at this time.
9430 */
9431 wb_data[0] = REG_RD(bp, base_addr + offset);
9432 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
9433 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
9434 REG_WR(bp, base_addr + offset, wb_data[0]);
9435 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009436
Yuval Mintz452427b2012-03-26 20:47:07 +00009437 }
9438 BNX2X_DEV_INFO("Disable emac Rx\n");
9439 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00009440
Yuval Mintz452427b2012-03-26 20:47:07 +00009441 mac_stopped = true;
9442 } else {
9443 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9444 BNX2X_DEV_INFO("Disable xmac Rx\n");
9445 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9446 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9447 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9448 val & ~(1 << 1));
9449 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9450 val | (1 << 1));
9451 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
9452 mac_stopped = true;
9453 }
9454 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9455 if (mask & reset_reg) {
9456 BNX2X_DEV_INFO("Disable umac Rx\n");
9457 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
9458 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
9459 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009460 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009461 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009462
Yuval Mintz452427b2012-03-26 20:47:07 +00009463 if (mac_stopped)
9464 msleep(20);
9465
9466}
9467
9468#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9469#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9470#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9471#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9472
9473static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port,
9474 u8 inc)
9475{
9476 u16 rcq, bd;
9477 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9478
9479 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9480 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9481
9482 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9483 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9484
9485 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9486 port, bd, rcq);
9487}
9488
9489static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp)
9490{
Yuval Mintz5d07d862012-09-13 02:56:21 +00009491 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE,
9492 DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET);
Yuval Mintz452427b2012-03-26 20:47:07 +00009493 if (!rc) {
9494 BNX2X_ERR("MCP response failure, aborting\n");
9495 return -EBUSY;
9496 }
9497
9498 return 0;
9499}
9500
9501static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp)
9502{
9503 struct bnx2x_prev_path_list *tmp_list;
9504 int rc = false;
9505
9506 if (down_trylock(&bnx2x_prev_sem))
9507 return false;
9508
9509 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9510 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9511 bp->pdev->bus->number == tmp_list->bus &&
9512 BP_PATH(bp) == tmp_list->path) {
9513 rc = true;
9514 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9515 BP_PATH(bp));
9516 break;
9517 }
9518 }
9519
9520 up(&bnx2x_prev_sem);
9521
9522 return rc;
9523}
9524
9525static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
9526{
9527 struct bnx2x_prev_path_list *tmp_list;
9528 int rc;
9529
Devendra Nagaea4b3852012-07-29 03:19:23 +00009530 tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
Yuval Mintz452427b2012-03-26 20:47:07 +00009531 if (!tmp_list) {
9532 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9533 return -ENOMEM;
9534 }
9535
9536 tmp_list->bus = bp->pdev->bus->number;
9537 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9538 tmp_list->path = BP_PATH(bp);
9539
9540 rc = down_interruptible(&bnx2x_prev_sem);
9541 if (rc) {
9542 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9543 kfree(tmp_list);
9544 } else {
9545 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9546 BP_PATH(bp));
9547 list_add(&tmp_list->list, &bnx2x_prev_list);
9548 up(&bnx2x_prev_sem);
9549 }
9550
9551 return rc;
9552}
9553
Yuval Mintz452427b2012-03-26 20:47:07 +00009554static int __devinit bnx2x_do_flr(struct bnx2x *bp)
9555{
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009556 int i;
Yuval Mintz452427b2012-03-26 20:47:07 +00009557 u16 status;
9558 struct pci_dev *dev = bp->pdev;
9559
Yuval Mintz8eee6942012-08-09 04:37:25 +00009560
9561 if (CHIP_IS_E1x(bp)) {
9562 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
9563 return -EINVAL;
9564 }
9565
9566 /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
9567 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9568 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9569 bp->common.bc_ver);
9570 return -EINVAL;
9571 }
Yuval Mintz452427b2012-03-26 20:47:07 +00009572
Yuval Mintz452427b2012-03-26 20:47:07 +00009573 /* Wait for Transaction Pending bit clean */
9574 for (i = 0; i < 4; i++) {
9575 if (i)
9576 msleep((1 << (i - 1)) * 100);
9577
Jiang Liu2a80eeb2012-08-20 13:26:51 -06009578 pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
Yuval Mintz452427b2012-03-26 20:47:07 +00009579 if (!(status & PCI_EXP_DEVSTA_TRPND))
9580 goto clear;
9581 }
9582
9583 dev_err(&dev->dev,
9584 "transaction is not cleared; proceeding with reset anyway\n");
9585
9586clear:
Yuval Mintz452427b2012-03-26 20:47:07 +00009587
Yuval Mintz8eee6942012-08-09 04:37:25 +00009588 BNX2X_DEV_INFO("Initiating FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009589 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9590
9591 return 0;
9592}
9593
9594static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9595{
9596 int rc;
9597
9598 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9599
9600 /* Test if previous unload process was already finished for this path */
9601 if (bnx2x_prev_is_path_marked(bp))
9602 return bnx2x_prev_mcp_done(bp);
9603
9604 /* If function has FLR capabilities, and existing FW version matches
9605 * the one required, then FLR will be sufficient to clean any residue
9606 * left by previous driver
9607 */
Yuval Mintz8eee6942012-08-09 04:37:25 +00009608 rc = bnx2x_test_firmware_version(bp, false);
9609
9610 if (!rc) {
9611 /* fw version is good */
9612 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
9613 rc = bnx2x_do_flr(bp);
9614 }
9615
9616 if (!rc) {
9617 /* FLR was performed */
9618 BNX2X_DEV_INFO("FLR successful\n");
9619 return 0;
9620 }
9621
9622 BNX2X_DEV_INFO("Could not FLR\n");
Yuval Mintz452427b2012-03-26 20:47:07 +00009623
9624 /* Close the MCP request, return failure*/
9625 rc = bnx2x_prev_mcp_done(bp);
9626 if (!rc)
9627 rc = BNX2X_PREV_WAIT_NEEDED;
9628
9629 return rc;
9630}
9631
9632static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9633{
9634 u32 reset_reg, tmp_reg = 0, rc;
9635 /* It is possible a previous function received 'common' answer,
9636 * but hasn't loaded yet, therefore creating a scenario of
9637 * multiple functions receiving 'common' on the same path.
9638 */
9639 BNX2X_DEV_INFO("Common unload Flow\n");
9640
9641 if (bnx2x_prev_is_path_marked(bp))
9642 return bnx2x_prev_mcp_done(bp);
9643
9644 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9645
9646 /* Reset should be performed after BRB is emptied */
9647 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9648 u32 timer_count = 1000;
9649 bool prev_undi = false;
9650
9651 /* Close the MAC Rx to prevent BRB from filling up */
9652 bnx2x_prev_unload_close_mac(bp);
9653
9654 /* Check if the UNDI driver was previously loaded
9655 * UNDI driver initializes CID offset for normal bell to 0x7
9656 */
9657 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9658 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9659 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9660 if (tmp_reg == 0x7) {
9661 BNX2X_DEV_INFO("UNDI previously loaded\n");
9662 prev_undi = true;
9663 /* clear the UNDI indication */
9664 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9665 }
9666 }
9667 /* wait until BRB is empty */
9668 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9669 while (timer_count) {
9670 u32 prev_brb = tmp_reg;
9671
9672 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9673 if (!tmp_reg)
9674 break;
9675
9676 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9677
9678 /* reset timer as long as BRB actually gets emptied */
9679 if (prev_brb > tmp_reg)
9680 timer_count = 1000;
9681 else
9682 timer_count--;
9683
9684 /* If UNDI resides in memory, manually increment it */
9685 if (prev_undi)
9686 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9687
9688 udelay(10);
9689 }
9690
9691 if (!timer_count)
9692 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9693
9694 }
9695
9696 /* No packets are in the pipeline, path is ready for reset */
9697 bnx2x_reset_common(bp);
9698
9699 rc = bnx2x_prev_mark_path(bp);
9700 if (rc) {
9701 bnx2x_prev_mcp_done(bp);
9702 return rc;
9703 }
9704
9705 return bnx2x_prev_mcp_done(bp);
9706}
9707
Ariel Elior24f06712012-05-06 07:05:57 +00009708/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9709 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9710 * the addresses of the transaction, resulting in was-error bit set in the pci
9711 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9712 * to clear the interrupt which detected this from the pglueb and the was done
9713 * bit
9714 */
9715static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9716{
Ariel Elior4a254172012-11-22 07:16:17 +00009717 if (!CHIP_IS_E1x(bp)) {
9718 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9719 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9720 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9721 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
9722 1 << BP_FUNC(bp));
9723 }
Ariel Elior24f06712012-05-06 07:05:57 +00009724 }
9725}
9726
Yuval Mintz452427b2012-03-26 20:47:07 +00009727static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9728{
9729 int time_counter = 10;
9730 u32 rc, fw, hw_lock_reg, hw_lock_val;
9731 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9732
Ariel Elior24f06712012-05-06 07:05:57 +00009733 /* clear hw from errors which may have resulted from an interrupted
9734 * dmae transaction.
9735 */
9736 bnx2x_prev_interrupted_dmae(bp);
9737
9738 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009739 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9740 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9741 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9742
9743 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9744 if (hw_lock_val) {
9745 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9746 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9747 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9748 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9749 }
9750
9751 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9752 REG_WR(bp, hw_lock_reg, 0xffffffff);
9753 } else
9754 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9755
9756 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9757 BNX2X_DEV_INFO("Release previously held alr\n");
9758 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9759 }
9760
9761
9762 do {
9763 /* Lock MCP using an unload request */
9764 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9765 if (!fw) {
9766 BNX2X_ERR("MCP response failure, aborting\n");
9767 rc = -EBUSY;
9768 break;
9769 }
9770
9771 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9772 rc = bnx2x_prev_unload_common(bp);
9773 break;
9774 }
9775
9776 /* non-common reply from MCP night require looping */
9777 rc = bnx2x_prev_unload_uncommon(bp);
9778 if (rc != BNX2X_PREV_WAIT_NEEDED)
9779 break;
9780
9781 msleep(20);
9782 } while (--time_counter);
9783
9784 if (!time_counter || rc) {
9785 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9786 rc = -EBUSY;
9787 }
9788
9789 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9790
9791 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009792}
9793
9794static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9795{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009796 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009797 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009798
9799 /* Get the chip revision id and number. */
9800 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9801 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9802 id = ((val & 0xffff) << 16);
9803 val = REG_RD(bp, MISC_REG_CHIP_REV);
9804 id |= ((val & 0xf) << 12);
9805 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9806 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009807 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009808 id |= (val & 0xf);
9809 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009810
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009811 /* force 57811 according to MISC register */
9812 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9813 if (CHIP_IS_57810(bp))
9814 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9815 (bp->common.chip_id & 0x0000FFFF);
9816 else if (CHIP_IS_57810_MF(bp))
9817 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9818 (bp->common.chip_id & 0x0000FFFF);
9819 bp->common.chip_id |= 0x1;
9820 }
9821
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009822 /* Set doorbell size */
9823 bp->db_size = (1 << BNX2X_DB_SHIFT);
9824
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009825 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009826 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9827 if ((val & 1) == 0)
9828 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9829 else
9830 val = (val >> 1) & 1;
9831 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9832 "2_PORT_MODE");
9833 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9834 CHIP_2_PORT_MODE;
9835
9836 if (CHIP_MODE_IS_4_PORT(bp))
9837 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9838 else
9839 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9840 } else {
9841 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9842 bp->pfid = bp->pf_num; /* 0..7 */
9843 }
9844
Merav Sicron51c1a582012-03-18 10:33:38 +00009845 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9846
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009847 bp->link_params.chip_id = bp->common.chip_id;
9848 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009849
Eilon Greenstein1c063282009-02-12 08:36:43 +00009850 val = (REG_RD(bp, 0x2874) & 0x55);
9851 if ((bp->common.chip_id & 0x1) ||
9852 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9853 bp->flags |= ONE_PORT_FLAG;
9854 BNX2X_DEV_INFO("single port device\n");
9855 }
9856
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009857 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009858 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009859 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9860 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9861 bp->common.flash_size, bp->common.flash_size);
9862
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009863 bnx2x_init_shmem(bp);
9864
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009865
9866
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009867 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9868 MISC_REG_GENERIC_CR_1 :
9869 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009870
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009871 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009872 bp->link_params.shmem2_base = bp->common.shmem2_base;
Yaniv Rosnerb884d952012-11-27 03:46:28 +00009873 if (SHMEM2_RD(bp, size) >
9874 (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
9875 bp->link_params.lfa_base =
9876 REG_RD(bp, bp->common.shmem2_base +
9877 (u32)offsetof(struct shmem2_region,
9878 lfa_host_addr[BP_PORT(bp)]));
9879 else
9880 bp->link_params.lfa_base = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009881 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9882 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009883
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009884 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009885 BNX2X_DEV_INFO("MCP not active\n");
9886 bp->flags |= NO_MCP_FLAG;
9887 return;
9888 }
9889
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009890 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009891 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009892
9893 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9894 SHARED_HW_CFG_LED_MODE_MASK) >>
9895 SHARED_HW_CFG_LED_MODE_SHIFT);
9896
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009897 bp->link_params.feature_config_flags = 0;
9898 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9899 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9900 bp->link_params.feature_config_flags |=
9901 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9902 else
9903 bp->link_params.feature_config_flags &=
9904 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9905
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009906 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9907 bp->common.bc_ver = val;
9908 BNX2X_DEV_INFO("bc_ver %X\n", val);
9909 if (val < BNX2X_BC_VER) {
9910 /* for now only warn
9911 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009912 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9913 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009914 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009915 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009916 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009917 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9918
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009919 bp->link_params.feature_config_flags |=
9920 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9921 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +00009922 bp->link_params.feature_config_flags |=
9923 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
9924 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009925 bp->link_params.feature_config_flags |=
9926 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9927 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Yaniv Rosner55386fe82012-11-27 03:46:30 +00009928
9929 bp->link_params.feature_config_flags |=
9930 (val >= REQ_BC_VER_4_MT_SUPPORTED) ?
9931 FEATURE_CONFIG_MT_SUPPORT : 0;
9932
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009933 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9934 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009935
Barak Witkowski2e499d32012-06-26 01:31:19 +00009936 bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
9937 BC_SUPPORTS_FCOE_FEATURES : 0;
9938
Barak Witkowski98768792012-06-19 07:48:31 +00009939 bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
9940 BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
Barak Witkowski1d187b32011-12-05 22:41:50 +00009941 boot_mode = SHMEM_RD(bp,
9942 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9943 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9944 switch (boot_mode) {
9945 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9946 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9947 break;
9948 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9949 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9950 break;
9951 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9952 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9953 break;
9954 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9955 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9956 break;
9957 }
9958
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009959 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9960 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9961
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009962 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009963 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009964
9965 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9966 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9967 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9968 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9969
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009970 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9971 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009972}
9973
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009974#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9975#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9976
9977static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9978{
9979 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009980 int igu_sb_id;
9981 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009982 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009983
9984 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009985 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009986 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009987 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009988 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9989 FP_SB_MAX_E1x;
9990
9991 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9992 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9993
9994 return;
9995 }
9996
9997 /* IGU in normal mode - read CAM */
9998 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9999 igu_sb_id++) {
10000 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
10001 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
10002 continue;
10003 fid = IGU_FID(val);
10004 if ((fid & IGU_FID_ENCODE_IS_PF)) {
10005 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
10006 continue;
10007 if (IGU_VEC(val) == 0)
10008 /* default status block */
10009 bp->igu_dsb_id = igu_sb_id;
10010 else {
10011 if (bp->igu_base_sb == 0xff)
10012 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +000010013 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010014 }
10015 }
10016 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010017
Ariel Elior6383c0b2011-07-14 08:31:57 +000010018#ifdef CONFIG_PCI_MSI
Ariel Elior185d4c82012-09-20 05:26:41 +000010019 /* Due to new PF resource allocation by MFW T7.4 and above, it's
10020 * optional that number of CAM entries will not be equal to the value
10021 * advertised in PCI.
10022 * Driver should use the minimal value of both as the actual status
10023 * block count
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010024 */
Ariel Elior185d4c82012-09-20 05:26:41 +000010025 bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010026#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010027
Ariel Elior6383c0b2011-07-14 08:31:57 +000010028 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010029 BNX2X_ERR("CAM configuration error\n");
10030}
10031
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010032static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
10033 u32 switch_cfg)
10034{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010035 int cfg_size = 0, idx, port = BP_PORT(bp);
10036
10037 /* Aggregation of supported attributes of all external phys */
10038 bp->port.supported[0] = 0;
10039 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010040 switch (bp->link_params.num_phys) {
10041 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010042 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
10043 cfg_size = 1;
10044 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010045 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010046 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
10047 cfg_size = 1;
10048 break;
10049 case 3:
10050 if (bp->link_params.multi_phy_config &
10051 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
10052 bp->port.supported[1] =
10053 bp->link_params.phy[EXT_PHY1].supported;
10054 bp->port.supported[0] =
10055 bp->link_params.phy[EXT_PHY2].supported;
10056 } else {
10057 bp->port.supported[0] =
10058 bp->link_params.phy[EXT_PHY1].supported;
10059 bp->port.supported[1] =
10060 bp->link_params.phy[EXT_PHY2].supported;
10061 }
10062 cfg_size = 2;
10063 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010064 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010065
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010066 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010067 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010068 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010069 dev_info.port_hw_config[port].external_phy_config),
10070 SHMEM_RD(bp,
10071 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010072 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010073 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010074
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010075 if (CHIP_IS_E3(bp))
10076 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
10077 else {
10078 switch (switch_cfg) {
10079 case SWITCH_CFG_1G:
10080 bp->port.phy_addr = REG_RD(
10081 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
10082 break;
10083 case SWITCH_CFG_10G:
10084 bp->port.phy_addr = REG_RD(
10085 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
10086 break;
10087 default:
10088 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
10089 bp->port.link_config[0]);
10090 return;
10091 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010092 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010093 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010094 /* mask what we support according to speed_cap_mask per configuration */
10095 for (idx = 0; idx < cfg_size; idx++) {
10096 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010097 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010098 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010099
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010100 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010101 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010102 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010103
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010104 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010105 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010106 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010107
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010108 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010109 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010110 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010111
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010112 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010113 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010114 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010115 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010116
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010117 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010118 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010119 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010120
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010121 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010122 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010123 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010124
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010125 }
10126
10127 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
10128 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010129}
10130
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010131static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010132{
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010133 u32 link_config, idx, cfg_size = 0;
10134 bp->port.advertising[0] = 0;
10135 bp->port.advertising[1] = 0;
10136 switch (bp->link_params.num_phys) {
10137 case 1:
10138 case 2:
10139 cfg_size = 1;
10140 break;
10141 case 3:
10142 cfg_size = 2;
10143 break;
10144 }
10145 for (idx = 0; idx < cfg_size; idx++) {
10146 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
10147 link_config = bp->port.link_config[idx];
10148 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010149 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010150 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
10151 bp->link_params.req_line_speed[idx] =
10152 SPEED_AUTO_NEG;
10153 bp->port.advertising[idx] |=
10154 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +000010155 if (bp->link_params.phy[EXT_PHY1].type ==
10156 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
10157 bp->port.advertising[idx] |=
10158 (SUPPORTED_100baseT_Half |
10159 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010160 } else {
10161 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010162 bp->link_params.req_line_speed[idx] =
10163 SPEED_10000;
10164 bp->port.advertising[idx] |=
10165 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010166 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010167 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010168 }
10169 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010170
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010171 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010172 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
10173 bp->link_params.req_line_speed[idx] =
10174 SPEED_10;
10175 bp->port.advertising[idx] |=
10176 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010177 ADVERTISED_TP);
10178 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010179 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010180 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010181 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010182 return;
10183 }
10184 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010185
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010186 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010187 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
10188 bp->link_params.req_line_speed[idx] =
10189 SPEED_10;
10190 bp->link_params.req_duplex[idx] =
10191 DUPLEX_HALF;
10192 bp->port.advertising[idx] |=
10193 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010194 ADVERTISED_TP);
10195 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010196 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010197 link_config,
10198 bp->link_params.speed_cap_mask[idx]);
10199 return;
10200 }
10201 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010202
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010203 case PORT_FEATURE_LINK_SPEED_100M_FULL:
10204 if (bp->port.supported[idx] &
10205 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010206 bp->link_params.req_line_speed[idx] =
10207 SPEED_100;
10208 bp->port.advertising[idx] |=
10209 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010210 ADVERTISED_TP);
10211 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010212 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010213 link_config,
10214 bp->link_params.speed_cap_mask[idx]);
10215 return;
10216 }
10217 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010218
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010219 case PORT_FEATURE_LINK_SPEED_100M_HALF:
10220 if (bp->port.supported[idx] &
10221 SUPPORTED_100baseT_Half) {
10222 bp->link_params.req_line_speed[idx] =
10223 SPEED_100;
10224 bp->link_params.req_duplex[idx] =
10225 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010226 bp->port.advertising[idx] |=
10227 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010228 ADVERTISED_TP);
10229 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010230 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010231 link_config,
10232 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010233 return;
10234 }
10235 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010236
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010237 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010238 if (bp->port.supported[idx] &
10239 SUPPORTED_1000baseT_Full) {
10240 bp->link_params.req_line_speed[idx] =
10241 SPEED_1000;
10242 bp->port.advertising[idx] |=
10243 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010244 ADVERTISED_TP);
10245 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010246 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010247 link_config,
10248 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010249 return;
10250 }
10251 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010252
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010253 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010254 if (bp->port.supported[idx] &
10255 SUPPORTED_2500baseX_Full) {
10256 bp->link_params.req_line_speed[idx] =
10257 SPEED_2500;
10258 bp->port.advertising[idx] |=
10259 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010260 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010261 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010262 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010263 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010264 bp->link_params.speed_cap_mask[idx]);
10265 return;
10266 }
10267 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010268
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010269 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010270 if (bp->port.supported[idx] &
10271 SUPPORTED_10000baseT_Full) {
10272 bp->link_params.req_line_speed[idx] =
10273 SPEED_10000;
10274 bp->port.advertising[idx] |=
10275 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010276 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010277 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010278 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010279 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010280 bp->link_params.speed_cap_mask[idx]);
10281 return;
10282 }
10283 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010284 case PORT_FEATURE_LINK_SPEED_20G:
10285 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010286
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010287 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010288 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010289 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010290 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010291 bp->link_params.req_line_speed[idx] =
10292 SPEED_AUTO_NEG;
10293 bp->port.advertising[idx] =
10294 bp->port.supported[idx];
10295 break;
10296 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010297
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010298 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010299 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010300 if ((bp->link_params.req_flow_ctrl[idx] ==
10301 BNX2X_FLOW_CTRL_AUTO) &&
10302 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
10303 bp->link_params.req_flow_ctrl[idx] =
10304 BNX2X_FLOW_CTRL_NONE;
10305 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010306
Merav Sicron51c1a582012-03-18 10:33:38 +000010307 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 +000010308 bp->link_params.req_line_speed[idx],
10309 bp->link_params.req_duplex[idx],
10310 bp->link_params.req_flow_ctrl[idx],
10311 bp->port.advertising[idx]);
10312 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010313}
10314
Michael Chane665bfd2009-10-10 13:46:54 +000010315static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
10316{
10317 mac_hi = cpu_to_be16(mac_hi);
10318 mac_lo = cpu_to_be32(mac_lo);
10319 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10320 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10321}
10322
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010323static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010324{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010325 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010326 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010327 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010328
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010329 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010330 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010331
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010332 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010333 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010334
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010335 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010336 SHMEM_RD(bp,
10337 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010338 bp->link_params.speed_cap_mask[1] =
10339 SHMEM_RD(bp,
10340 dev_info.port_hw_config[port].speed_capability_mask2);
10341 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010342 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10343
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010344 bp->port.link_config[1] =
10345 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010346
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010347 bp->link_params.multi_phy_config =
10348 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010349 /* If the device is capable of WoL, set the default state according
10350 * to the HW
10351 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010352 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010353 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10354 (config & PORT_FEATURE_WOL_ENABLED));
10355
Merav Sicron51c1a582012-03-18 10:33:38 +000010356 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010357 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010358 bp->link_params.speed_cap_mask[0],
10359 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010360
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010361 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010362 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010363 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010364 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010365
10366 bnx2x_link_settings_requested(bp);
10367
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010368 /*
10369 * If connected directly, work with the internal PHY, otherwise, work
10370 * with the external PHY
10371 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010372 ext_phy_config =
10373 SHMEM_RD(bp,
10374 dev_info.port_hw_config[port].external_phy_config);
10375 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010376 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010377 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010378
10379 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10380 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10381 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010382 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010383
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010384 /* Configure link feature according to nvram value */
10385 eee_mode = (((SHMEM_RD(bp, dev_info.
10386 port_feature_config[port].eee_power_mode)) &
10387 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10388 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10389 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10390 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10391 EEE_MODE_ENABLE_LPI |
10392 EEE_MODE_OUTPUT_TIME;
10393 } else {
10394 bp->link_params.eee_mode = 0;
10395 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010396}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010397
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010398void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010399{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010400 u32 no_flags = NO_ISCSI_FLAG;
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010401 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010402 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010403 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010404
Merav Sicron55c11942012-11-07 00:45:48 +000010405 if (!CNIC_SUPPORT(bp)) {
10406 bp->flags |= no_flags;
10407 return;
10408 }
10409
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010410 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010411 bp->cnic_eth_dev.max_iscsi_conn =
10412 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10413 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10414
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010415 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10416 bp->cnic_eth_dev.max_iscsi_conn);
10417
10418 /*
10419 * If maximum allowed number of connections is zero -
10420 * disable the feature.
10421 */
10422 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010423 bp->flags |= no_flags;
Merav Sicron55c11942012-11-07 00:45:48 +000010424
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010425}
10426
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010427static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
10428{
10429 /* Port info */
10430 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10431 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10432 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10433 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10434
10435 /* Node info */
10436 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10437 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10438 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10439 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10440}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010441static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
10442{
10443 int port = BP_PORT(bp);
10444 int func = BP_ABS_FUNC(bp);
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010445 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10446 drv_lic_key[port].max_fcoe_conn);
10447
Merav Sicron55c11942012-11-07 00:45:48 +000010448 if (!CNIC_SUPPORT(bp)) {
10449 bp->flags |= NO_FCOE_FLAG;
10450 return;
10451 }
10452
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010453 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010454 bp->cnic_eth_dev.max_fcoe_conn =
10455 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10456 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10457
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010458 /* Read the WWN: */
10459 if (!IS_MF(bp)) {
10460 /* Port info */
10461 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10462 SHMEM_RD(bp,
10463 dev_info.port_hw_config[port].
10464 fcoe_wwn_port_name_upper);
10465 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10466 SHMEM_RD(bp,
10467 dev_info.port_hw_config[port].
10468 fcoe_wwn_port_name_lower);
10469
10470 /* Node info */
10471 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10472 SHMEM_RD(bp,
10473 dev_info.port_hw_config[port].
10474 fcoe_wwn_node_name_upper);
10475 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10476 SHMEM_RD(bp,
10477 dev_info.port_hw_config[port].
10478 fcoe_wwn_node_name_lower);
10479 } else if (!IS_MF_SD(bp)) {
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010480 /*
10481 * Read the WWN info only if the FCoE feature is enabled for
10482 * this function.
10483 */
Yuval Mintz7b5342d2012-09-11 04:34:14 +000010484 if (BNX2X_MF_EXT_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp))
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010485 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010486
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010487 } else if (IS_MF_FCOE_SD(bp))
10488 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010489
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010490 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010491
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010492 /*
10493 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010494 * disable the feature.
10495 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010496 if (!bp->cnic_eth_dev.max_fcoe_conn)
10497 bp->flags |= NO_FCOE_FLAG;
10498}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010499
10500static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
10501{
10502 /*
10503 * iSCSI may be dynamically disabled but reading
10504 * info here we will decrease memory usage by driver
10505 * if the feature is disabled for good
10506 */
10507 bnx2x_get_iscsi_info(bp);
10508 bnx2x_get_fcoe_info(bp);
10509}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010510
Merav Sicron55c11942012-11-07 00:45:48 +000010511static void __devinit bnx2x_get_cnic_mac_hwinfo(struct bnx2x *bp)
10512{
10513 u32 val, val2;
10514 int func = BP_ABS_FUNC(bp);
10515 int port = BP_PORT(bp);
10516 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10517 u8 *fip_mac = bp->fip_mac;
10518
10519 if (IS_MF(bp)) {
10520 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
10521 * FCoE MAC then the appropriate feature should be disabled.
10522 * In non SD mode features configuration comes from struct
10523 * func_ext_config.
10524 */
10525 if (!IS_MF_SD(bp) && !CHIP_IS_E1x(bp)) {
10526 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10527 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10528 val2 = MF_CFG_RD(bp, func_ext_config[func].
10529 iscsi_mac_addr_upper);
10530 val = MF_CFG_RD(bp, func_ext_config[func].
10531 iscsi_mac_addr_lower);
10532 bnx2x_set_mac_buf(iscsi_mac, val, val2);
10533 BNX2X_DEV_INFO
10534 ("Read iSCSI MAC: %pM\n", iscsi_mac);
10535 } else {
10536 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10537 }
10538
10539 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10540 val2 = MF_CFG_RD(bp, func_ext_config[func].
10541 fcoe_mac_addr_upper);
10542 val = MF_CFG_RD(bp, func_ext_config[func].
10543 fcoe_mac_addr_lower);
10544 bnx2x_set_mac_buf(fip_mac, val, val2);
10545 BNX2X_DEV_INFO
10546 ("Read FCoE L2 MAC: %pM\n", fip_mac);
10547 } else {
10548 bp->flags |= NO_FCOE_FLAG;
10549 }
10550
10551 bp->mf_ext_config = cfg;
10552
10553 } else { /* SD MODE */
10554 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10555 /* use primary mac as iscsi mac */
10556 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
10557
10558 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10559 BNX2X_DEV_INFO
10560 ("Read iSCSI MAC: %pM\n", iscsi_mac);
10561 } else if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
10562 /* use primary mac as fip mac */
10563 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
10564 BNX2X_DEV_INFO("SD FCoE MODE\n");
10565 BNX2X_DEV_INFO
10566 ("Read FIP MAC: %pM\n", fip_mac);
10567 }
10568 }
10569
10570 if (IS_MF_STORAGE_SD(bp))
10571 /* Zero primary MAC configuration */
10572 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10573
10574 if (IS_MF_FCOE_AFEX(bp))
10575 /* use FIP MAC as primary MAC */
10576 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10577
10578 } else {
10579 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10580 iscsi_mac_upper);
10581 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10582 iscsi_mac_lower);
10583 bnx2x_set_mac_buf(iscsi_mac, val, val2);
10584
10585 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10586 fcoe_fip_mac_upper);
10587 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10588 fcoe_fip_mac_lower);
10589 bnx2x_set_mac_buf(fip_mac, val, val2);
10590 }
10591
10592 /* Disable iSCSI OOO if MAC configuration is invalid. */
10593 if (!is_valid_ether_addr(iscsi_mac)) {
10594 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10595 memset(iscsi_mac, 0, ETH_ALEN);
10596 }
10597
10598 /* Disable FCoE if MAC configuration is invalid. */
10599 if (!is_valid_ether_addr(fip_mac)) {
10600 bp->flags |= NO_FCOE_FLAG;
10601 memset(bp->fip_mac, 0, ETH_ALEN);
10602 }
10603}
10604
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010605static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
10606{
10607 u32 val, val2;
10608 int func = BP_ABS_FUNC(bp);
10609 int port = BP_PORT(bp);
10610
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010611 /* Zero primary MAC configuration */
10612 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10613
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010614 if (BP_NOMCP(bp)) {
10615 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010616 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010617 } else if (IS_MF(bp)) {
10618 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10619 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10620 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10621 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10622 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10623
Merav Sicron55c11942012-11-07 00:45:48 +000010624 if (CNIC_SUPPORT(bp))
10625 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010626 } else {
10627 /* in SF read MACs from port configuration */
10628 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10629 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10630 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10631
Merav Sicron55c11942012-11-07 00:45:48 +000010632 if (CNIC_SUPPORT(bp))
10633 bnx2x_get_cnic_mac_hwinfo(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010634 }
10635
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010636 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10637 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010638
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010639 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010640 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010641 "bad Ethernet MAC address configuration: %pM\n"
10642 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010643 bp->dev->dev_addr);
Yuval Mintz79642112012-12-02 04:05:50 +000010644}
Merav Sicron51c1a582012-03-18 10:33:38 +000010645
Yuval Mintz79642112012-12-02 04:05:50 +000010646static bool __devinit bnx2x_get_dropless_info(struct bnx2x *bp)
10647{
10648 int tmp;
10649 u32 cfg;
Merav Sicron51c1a582012-03-18 10:33:38 +000010650
Yuval Mintz79642112012-12-02 04:05:50 +000010651 if (IS_MF(bp) && !CHIP_IS_E1x(bp)) {
10652 /* Take function: tmp = func */
10653 tmp = BP_ABS_FUNC(bp);
10654 cfg = MF_CFG_RD(bp, func_ext_config[tmp].func_cfg);
10655 cfg = !!(cfg & MACP_FUNC_CFG_PAUSE_ON_HOST_RING);
10656 } else {
10657 /* Take port: tmp = port */
10658 tmp = BP_PORT(bp);
10659 cfg = SHMEM_RD(bp,
10660 dev_info.port_hw_config[tmp].generic_features);
10661 cfg = !!(cfg & PORT_HW_CFG_PAUSE_ON_HOST_RING_ENABLED);
10662 }
10663 return cfg;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010664}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010665
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010666static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10667{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010668 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010669 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010670 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010671 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010672
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010673 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010674
Ariel Elior6383c0b2011-07-14 08:31:57 +000010675 /*
10676 * initialize IGU parameters
10677 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010678 if (CHIP_IS_E1x(bp)) {
10679 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010680
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010681 bp->igu_dsb_id = DEF_SB_IGU_ID;
10682 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010683 } else {
10684 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010685
10686 /* do not allow device reset during IGU info preocessing */
10687 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10688
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010689 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010690
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010691 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010692 int tout = 5000;
10693
10694 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10695
10696 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10697 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10698 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10699
10700 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10701 tout--;
10702 usleep_range(1000, 1000);
10703 }
10704
10705 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10706 dev_err(&bp->pdev->dev,
10707 "FORCING Normal Mode failed!!!\n");
10708 return -EPERM;
10709 }
10710 }
10711
10712 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10713 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010714 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10715 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010716 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010717
10718 bnx2x_get_igu_cam_info(bp);
10719
David S. Miller8decf862011-09-22 03:23:13 -040010720 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010721 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010722
10723 /*
10724 * set base FW non-default (fast path) status block id, this value is
10725 * used to initialize the fw_sb_id saved on the fp/queue structure to
10726 * determine the id used by the FW.
10727 */
10728 if (CHIP_IS_E1x(bp))
10729 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10730 else /*
10731 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10732 * the same queue are indicated on the same IGU SB). So we prefer
10733 * FW and IGU SBs to be the same value.
10734 */
10735 bp->base_fw_ndsb = bp->igu_base_sb;
10736
10737 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10738 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10739 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010740
10741 /*
10742 * Initialize MF configuration
10743 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010744
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010745 bp->mf_ov = 0;
10746 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010747 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010748
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010749 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010750 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10751 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10752 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10753
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010754 if (SHMEM2_HAS(bp, mf_cfg_addr))
10755 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10756 else
10757 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010758 offsetof(struct shmem_region, func_mb) +
10759 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010760 /*
10761 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010762 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010763 * 2. MAC address must be legal (check only upper bytes)
10764 * for Switch-Independent mode;
10765 * OVLAN must be legal for Switch-Dependent mode
10766 * 3. SF_MODE configures specific MF mode
10767 */
10768 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10769 /* get mf configuration */
10770 val = SHMEM_RD(bp,
10771 dev_info.shared_feature_config.config);
10772 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010773
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010774 switch (val) {
10775 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10776 val = MF_CFG_RD(bp, func_mf_config[func].
10777 mac_upper);
10778 /* check for legal mac (upper bytes)*/
10779 if (val != 0xffff) {
10780 bp->mf_mode = MULTI_FUNCTION_SI;
10781 bp->mf_config[vn] = MF_CFG_RD(bp,
10782 func_mf_config[func].config);
10783 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010784 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010785 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010786 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10787 if ((!CHIP_IS_E1x(bp)) &&
10788 (MF_CFG_RD(bp, func_mf_config[func].
10789 mac_upper) != 0xffff) &&
10790 (SHMEM2_HAS(bp,
10791 afex_driver_support))) {
10792 bp->mf_mode = MULTI_FUNCTION_AFEX;
10793 bp->mf_config[vn] = MF_CFG_RD(bp,
10794 func_mf_config[func].config);
10795 } else {
10796 BNX2X_DEV_INFO("can not configure afex mode\n");
10797 }
10798 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010799 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10800 /* get OV configuration */
10801 val = MF_CFG_RD(bp,
10802 func_mf_config[FUNC_0].e1hov_tag);
10803 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10804
10805 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10806 bp->mf_mode = MULTI_FUNCTION_SD;
10807 bp->mf_config[vn] = MF_CFG_RD(bp,
10808 func_mf_config[func].config);
10809 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010810 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010811 break;
10812 default:
10813 /* Unknown configuration: reset mf_config */
10814 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010815 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010816 }
10817 }
10818
Eilon Greenstein2691d512009-08-12 08:22:08 +000010819 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010820 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010821
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010822 switch (bp->mf_mode) {
10823 case MULTI_FUNCTION_SD:
10824 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10825 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010826 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010827 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010828 bp->path_has_ovlan = true;
10829
Merav Sicron51c1a582012-03-18 10:33:38 +000010830 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10831 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010832 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010833 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010834 "No valid MF OV for func %d, aborting\n",
10835 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010836 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010837 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010838 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010839 case MULTI_FUNCTION_AFEX:
10840 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10841 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010842 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010843 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10844 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010845 break;
10846 default:
10847 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010848 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010849 "VN %d is in a single function mode, aborting\n",
10850 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010851 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010852 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010853 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010854 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010855
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010856 /* check if other port on the path needs ovlan:
10857 * Since MF configuration is shared between ports
10858 * Possible mixed modes are only
10859 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10860 */
10861 if (CHIP_MODE_IS_4_PORT(bp) &&
10862 !bp->path_has_ovlan &&
10863 !IS_MF(bp) &&
10864 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10865 u8 other_port = !BP_PORT(bp);
10866 u8 other_func = BP_PATH(bp) + 2*other_port;
10867 val = MF_CFG_RD(bp,
10868 func_mf_config[other_func].e1hov_tag);
10869 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10870 bp->path_has_ovlan = true;
10871 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010872 }
10873
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010874 /* adjust igu_sb_cnt to MF for E1x */
10875 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010876 bp->igu_sb_cnt /= E1HVN_MAX;
10877
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010878 /* port info */
10879 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010880
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010881 /* Get MAC addresses */
10882 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010883
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010884 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010885
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010886 return rc;
10887}
10888
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010889static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10890{
10891 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010892 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010893 char str_id_reg[VENDOR_ID_LEN+1];
10894 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010895 char *vpd_data;
10896 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010897 u8 len;
10898
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010899 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010900 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10901
10902 if (cnt < BNX2X_VPD_LEN)
10903 goto out_not_found;
10904
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010905 /* VPD RO tag should be first tag after identifier string, hence
10906 * we should be able to find it in first BNX2X_VPD_LEN chars
10907 */
10908 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010909 PCI_VPD_LRDT_RO_DATA);
10910 if (i < 0)
10911 goto out_not_found;
10912
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010913 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010914 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010915
10916 i += PCI_VPD_LRDT_TAG_SIZE;
10917
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010918 if (block_end > BNX2X_VPD_LEN) {
10919 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10920 if (vpd_extended_data == NULL)
10921 goto out_not_found;
10922
10923 /* read rest of vpd image into vpd_extended_data */
10924 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10925 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10926 block_end - BNX2X_VPD_LEN,
10927 vpd_extended_data + BNX2X_VPD_LEN);
10928 if (cnt < (block_end - BNX2X_VPD_LEN))
10929 goto out_not_found;
10930 vpd_data = vpd_extended_data;
10931 } else
10932 vpd_data = vpd_start;
10933
10934 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010935
10936 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10937 PCI_VPD_RO_KEYWORD_MFR_ID);
10938 if (rodi < 0)
10939 goto out_not_found;
10940
10941 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10942
10943 if (len != VENDOR_ID_LEN)
10944 goto out_not_found;
10945
10946 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10947
10948 /* vendor specific info */
10949 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10950 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10951 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10952 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10953
10954 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10955 PCI_VPD_RO_KEYWORD_VENDOR0);
10956 if (rodi >= 0) {
10957 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10958
10959 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10960
10961 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10962 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10963 bp->fw_ver[len] = ' ';
10964 }
10965 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010966 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010967 return;
10968 }
10969out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010970 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010971 return;
10972}
10973
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010974static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10975{
10976 u32 flags = 0;
10977
10978 if (CHIP_REV_IS_FPGA(bp))
10979 SET_FLAGS(flags, MODE_FPGA);
10980 else if (CHIP_REV_IS_EMUL(bp))
10981 SET_FLAGS(flags, MODE_EMUL);
10982 else
10983 SET_FLAGS(flags, MODE_ASIC);
10984
10985 if (CHIP_MODE_IS_4_PORT(bp))
10986 SET_FLAGS(flags, MODE_PORT4);
10987 else
10988 SET_FLAGS(flags, MODE_PORT2);
10989
10990 if (CHIP_IS_E2(bp))
10991 SET_FLAGS(flags, MODE_E2);
10992 else if (CHIP_IS_E3(bp)) {
10993 SET_FLAGS(flags, MODE_E3);
10994 if (CHIP_REV(bp) == CHIP_REV_Ax)
10995 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010996 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10997 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010998 }
10999
11000 if (IS_MF(bp)) {
11001 SET_FLAGS(flags, MODE_MF);
11002 switch (bp->mf_mode) {
11003 case MULTI_FUNCTION_SD:
11004 SET_FLAGS(flags, MODE_MF_SD);
11005 break;
11006 case MULTI_FUNCTION_SI:
11007 SET_FLAGS(flags, MODE_MF_SI);
11008 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000011009 case MULTI_FUNCTION_AFEX:
11010 SET_FLAGS(flags, MODE_MF_AFEX);
11011 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011012 }
11013 } else
11014 SET_FLAGS(flags, MODE_SF);
11015
11016#if defined(__LITTLE_ENDIAN)
11017 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
11018#else /*(__BIG_ENDIAN)*/
11019 SET_FLAGS(flags, MODE_BIG_ENDIAN);
11020#endif
11021 INIT_MODE_FLAGS(bp) = flags;
11022}
11023
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011024static int __devinit bnx2x_init_bp(struct bnx2x *bp)
11025{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011026 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011027 int rc;
11028
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011029 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070011030 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070011031 spin_lock_init(&bp->stats_lock);
Merav Sicron55c11942012-11-07 00:45:48 +000011032
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011033
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011034 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000011035 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011036 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011037 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011038 if (rc)
11039 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011040
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011041 bnx2x_set_modes_bitmap(bp);
11042
11043 rc = bnx2x_alloc_mem_bp(bp);
11044 if (rc)
11045 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011046
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000011047 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011048
11049 func = BP_FUNC(bp);
11050
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011051 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000011052 if (!BP_NOMCP(bp)) {
11053 /* init fw_seq */
11054 bp->fw_seq =
11055 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
11056 DRV_MSG_SEQ_NUMBER_MASK;
11057 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
11058
11059 bnx2x_prev_unload(bp);
11060 }
11061
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011062
11063 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011064 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011065
11066 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000011067 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011068
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011069 bp->disable_tpa = disable_tpa;
Barak Witkowskia3348722012-04-23 03:04:46 +000011070 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011071
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011072 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011073 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011074 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011075 bp->dev->features &= ~NETIF_F_LRO;
11076 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011077 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011078 bp->dev->features |= NETIF_F_LRO;
11079 }
11080
Eilon Greensteina18f5122009-08-12 08:23:26 +000011081 if (CHIP_IS_E1(bp))
11082 bp->dropless_fc = 0;
11083 else
Yuval Mintz79642112012-12-02 04:05:50 +000011084 bp->dropless_fc = dropless_fc | bnx2x_get_dropless_info(bp);
Eilon Greensteina18f5122009-08-12 08:23:26 +000011085
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000011086 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070011087
Barak Witkowskia3348722012-04-23 03:04:46 +000011088 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011089
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000011090 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011091 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
11092 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011093
Michal Schmidtfc543632012-02-14 09:05:46 +000011094 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011095
11096 init_timer(&bp->timer);
11097 bp->timer.expires = jiffies + bp->current_interval;
11098 bp->timer.data = (unsigned long) bp;
11099 bp->timer.function = bnx2x_timer;
11100
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011101 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000011102 bnx2x_dcbx_init_params(bp);
11103
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011104 if (CHIP_IS_E1x(bp))
11105 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
11106 else
11107 bp->cnic_base_cl_id = FP_SB_MAX_E2;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011108
Ariel Elior6383c0b2011-07-14 08:31:57 +000011109 /* multiple tx priority */
11110 if (CHIP_IS_E1x(bp))
11111 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
11112 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
11113 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
11114 if (CHIP_IS_E3B0(bp))
11115 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
11116
Merav Sicron55c11942012-11-07 00:45:48 +000011117 /* We need at least one default status block for slow-path events,
11118 * second status block for the L2 queue, and a third status block for
11119 * CNIC if supproted.
11120 */
11121 if (CNIC_SUPPORT(bp))
11122 bp->min_msix_vec_cnt = 3;
11123 else
11124 bp->min_msix_vec_cnt = 2;
11125 BNX2X_DEV_INFO("bp->min_msix_vec_cnt %d", bp->min_msix_vec_cnt);
11126
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011127 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011128}
11129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011130
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011131/****************************************************************************
11132* General service functions
11133****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011134
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011135/*
11136 * net_device service functions
11137 */
11138
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011139/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011140static int bnx2x_open(struct net_device *dev)
11141{
11142 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011143 bool global = false;
11144 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000011145 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011146
Mintz Yuval1355b702012-02-15 02:10:22 +000011147 bp->stats_init = true;
11148
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000011149 netif_carrier_off(dev);
11150
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011151 bnx2x_set_power_state(bp, PCI_D0);
11152
Ariel Elior889b9af2012-01-26 06:01:51 +000011153 other_load_status = bnx2x_get_load_status(bp, other_engine);
11154 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011155
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011156 /*
11157 * If parity had happen during the unload, then attentions
11158 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
11159 * want the first function loaded on the current engine to
11160 * complete the recovery.
11161 */
11162 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
11163 bnx2x_chk_parity_attn(bp, &global, true))
11164 do {
11165 /*
11166 * If there are attentions and they are in a global
11167 * blocks, set the GLOBAL_RESET bit regardless whether
11168 * it will be this function that will complete the
11169 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011170 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011171 if (global)
11172 bnx2x_set_reset_global(bp);
11173
11174 /*
11175 * Only the first function on the current engine should
11176 * try to recover in open. In case of attentions in
11177 * global blocks only the first in the chip should try
11178 * to recover.
11179 */
Ariel Elior889b9af2012-01-26 06:01:51 +000011180 if ((!load_status &&
11181 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011182 bnx2x_trylock_leader_lock(bp) &&
11183 !bnx2x_leader_reset(bp)) {
11184 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011185 break;
11186 }
11187
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011188 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011189 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011190 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011191
Merav Sicron51c1a582012-03-18 10:33:38 +000011192 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
11193 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011194
11195 return -EAGAIN;
11196 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011197
11198 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011199 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011200}
11201
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070011202/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000011203static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011204{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011205 struct bnx2x *bp = netdev_priv(dev);
11206
11207 /* Unload the driver, release IRQs */
Yuval Mintz5d07d862012-09-13 02:56:21 +000011208 bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000011209
11210 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000011211 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011212
11213 return 0;
11214}
11215
Eric Dumazet1191cb82012-04-27 21:39:21 +000011216static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
11217 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011218{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011219 int mc_count = netdev_mc_count(bp->dev);
11220 struct bnx2x_mcast_list_elem *mc_mac =
11221 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011222 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011223
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011224 if (!mc_mac)
11225 return -ENOMEM;
11226
11227 INIT_LIST_HEAD(&p->mcast_list);
11228
11229 netdev_for_each_mc_addr(ha, bp->dev) {
11230 mc_mac->mac = bnx2x_mc_addr(ha);
11231 list_add_tail(&mc_mac->link, &p->mcast_list);
11232 mc_mac++;
11233 }
11234
11235 p->mcast_list_len = mc_count;
11236
11237 return 0;
11238}
11239
Eric Dumazet1191cb82012-04-27 21:39:21 +000011240static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011241 struct bnx2x_mcast_ramrod_params *p)
11242{
11243 struct bnx2x_mcast_list_elem *mc_mac =
11244 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11245 link);
11246
11247 WARN_ON(!mc_mac);
11248 kfree(mc_mac);
11249}
11250
11251/**
11252 * bnx2x_set_uc_list - configure a new unicast MACs list.
11253 *
11254 * @bp: driver handle
11255 *
11256 * We will use zero (0) as a MAC type for these MACs.
11257 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011258static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011259{
11260 int rc;
11261 struct net_device *dev = bp->dev;
11262 struct netdev_hw_addr *ha;
Barak Witkowski15192a82012-06-19 07:48:28 +000011263 struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011264 unsigned long ramrod_flags = 0;
11265
11266 /* First schedule a cleanup up of old configuration */
11267 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11268 if (rc < 0) {
11269 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11270 return rc;
11271 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011272
11273 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011274 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11275 BNX2X_UC_LIST_MAC, &ramrod_flags);
Yuval Mintz7b5342d2012-09-11 04:34:14 +000011276 if (rc == -EEXIST) {
11277 DP(BNX2X_MSG_SP,
11278 "Failed to schedule ADD operations: %d\n", rc);
11279 /* do not treat adding same MAC as error */
11280 rc = 0;
11281
11282 } else if (rc < 0) {
11283
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011284 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11285 rc);
11286 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011287 }
11288 }
11289
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011290 /* Execute the pending commands */
11291 __set_bit(RAMROD_CONT, &ramrod_flags);
11292 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11293 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011294}
11295
Eric Dumazet1191cb82012-04-27 21:39:21 +000011296static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011297{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011298 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011299 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011300 int rc = 0;
11301
11302 rparam.mcast_obj = &bp->mcast_obj;
11303
11304 /* first, clear all configured multicast MACs */
11305 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11306 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011307 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011308 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011309 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011310
11311 /* then, configure a new MACs list */
11312 if (netdev_mc_count(dev)) {
11313 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11314 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011315 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11316 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011317 return rc;
11318 }
11319
11320 /* Now add the new MACs */
11321 rc = bnx2x_config_mcast(bp, &rparam,
11322 BNX2X_MCAST_CMD_ADD);
11323 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011324 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11325 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011326
11327 bnx2x_free_mcast_macs_list(&rparam);
11328 }
11329
11330 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011331}
11332
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011333
11334/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011335void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011336{
11337 struct bnx2x *bp = netdev_priv(dev);
11338 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011339
11340 if (bp->state != BNX2X_STATE_OPEN) {
11341 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11342 return;
11343 }
11344
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011345 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011346
11347 if (dev->flags & IFF_PROMISC)
11348 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011349 else if ((dev->flags & IFF_ALLMULTI) ||
11350 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11351 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011352 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011353 else {
11354 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011355 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011356 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011357
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011358 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011359 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011360 }
11361
11362 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011363 /* handle ISCSI SD mode */
11364 if (IS_MF_ISCSI_SD(bp))
11365 bp->rx_mode = BNX2X_RX_MODE_NONE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011366
11367 /* Schedule the rx_mode command */
11368 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11369 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11370 return;
11371 }
11372
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011373 bnx2x_set_storm_rx_mode(bp);
11374}
11375
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011376/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011377static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11378 int devad, u16 addr)
11379{
11380 struct bnx2x *bp = netdev_priv(netdev);
11381 u16 value;
11382 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011383
11384 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11385 prtad, devad, addr);
11386
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011387 /* The HW expects different devad if CL22 is used */
11388 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11389
11390 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011391 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011392 bnx2x_release_phy_lock(bp);
11393 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11394
11395 if (!rc)
11396 rc = value;
11397 return rc;
11398}
11399
11400/* called with rtnl_lock */
11401static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11402 u16 addr, u16 value)
11403{
11404 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011405 int rc;
11406
Merav Sicron51c1a582012-03-18 10:33:38 +000011407 DP(NETIF_MSG_LINK,
11408 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11409 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011410
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011411 /* The HW expects different devad if CL22 is used */
11412 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11413
11414 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011415 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011416 bnx2x_release_phy_lock(bp);
11417 return rc;
11418}
11419
11420/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011421static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11422{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011423 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011424 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011425
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011426 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11427 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011428
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011429 if (!netif_running(dev))
11430 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011431
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011432 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011433}
11434
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011435#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011436static void poll_bnx2x(struct net_device *dev)
11437{
11438 struct bnx2x *bp = netdev_priv(dev);
Merav Sicron14a15d62012-08-27 03:26:20 +000011439 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011440
Merav Sicron14a15d62012-08-27 03:26:20 +000011441 for_each_eth_queue(bp, i) {
11442 struct bnx2x_fastpath *fp = &bp->fp[i];
11443 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
11444 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011445}
11446#endif
11447
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011448static int bnx2x_validate_addr(struct net_device *dev)
11449{
11450 struct bnx2x *bp = netdev_priv(dev);
11451
Merav Sicron51c1a582012-03-18 10:33:38 +000011452 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11453 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011454 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011455 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011456 return 0;
11457}
11458
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011459static const struct net_device_ops bnx2x_netdev_ops = {
11460 .ndo_open = bnx2x_open,
11461 .ndo_stop = bnx2x_close,
11462 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011463 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011464 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011465 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011466 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011467 .ndo_do_ioctl = bnx2x_ioctl,
11468 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011469 .ndo_fix_features = bnx2x_fix_features,
11470 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011471 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011472#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011473 .ndo_poll_controller = poll_bnx2x,
11474#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011475 .ndo_setup_tc = bnx2x_setup_tc,
11476
Merav Sicron55c11942012-11-07 00:45:48 +000011477#ifdef NETDEV_FCOE_WWNN
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011478 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11479#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011480};
11481
Eric Dumazet1191cb82012-04-27 21:39:21 +000011482static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011483{
11484 struct device *dev = &bp->pdev->dev;
11485
11486 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11487 bp->flags |= USING_DAC_FLAG;
11488 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011489 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011490 return -EIO;
11491 }
11492 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11493 dev_err(dev, "System does not support DMA, aborting\n");
11494 return -EIO;
11495 }
11496
11497 return 0;
11498}
11499
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011500static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011501 struct net_device *dev,
11502 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011503{
11504 struct bnx2x *bp;
11505 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011506 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011507 bool chip_is_e1x = (board_type == BCM57710 ||
11508 board_type == BCM57711 ||
11509 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011510
11511 SET_NETDEV_DEV(dev, &pdev->dev);
11512 bp = netdev_priv(dev);
11513
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011514 bp->dev = dev;
11515 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011516 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011517
11518 rc = pci_enable_device(pdev);
11519 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011520 dev_err(&bp->pdev->dev,
11521 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011522 goto err_out;
11523 }
11524
11525 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011526 dev_err(&bp->pdev->dev,
11527 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011528 rc = -ENODEV;
11529 goto err_out_disable;
11530 }
11531
11532 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011533 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
11534 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011535 rc = -ENODEV;
11536 goto err_out_disable;
11537 }
11538
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011539 if (atomic_read(&pdev->enable_cnt) == 1) {
11540 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11541 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011542 dev_err(&bp->pdev->dev,
11543 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011544 goto err_out_disable;
11545 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011546
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011547 pci_set_master(pdev);
11548 pci_save_state(pdev);
11549 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011550
11551 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11552 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011553 dev_err(&bp->pdev->dev,
11554 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011555 rc = -EIO;
11556 goto err_out_release;
11557 }
11558
Jon Mason77c98e62011-06-27 07:45:12 +000011559 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011560 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011561 rc = -EIO;
11562 goto err_out_release;
11563 }
11564
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011565 rc = bnx2x_set_coherency_mask(bp);
11566 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011567 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011568
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011569 dev->mem_start = pci_resource_start(pdev, 0);
11570 dev->base_addr = dev->mem_start;
11571 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011572
11573 dev->irq = pdev->irq;
11574
Arjan van de Ven275f1652008-10-20 21:42:39 -070011575 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011576 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011577 dev_err(&bp->pdev->dev,
11578 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011579 rc = -ENOMEM;
11580 goto err_out_release;
11581 }
11582
Ariel Eliorc22610d02012-01-26 06:01:47 +000011583 /* In E1/E1H use pci device function given by kernel.
11584 * In E2/E3 read physical function from ME register since these chips
11585 * support Physical Device Assignment where kernel BDF maybe arbitrary
11586 * (depending on hypervisor).
11587 */
11588 if (chip_is_e1x)
11589 bp->pf_num = PCI_FUNC(pdev->devfn);
11590 else {/* chip is E2/3*/
11591 pci_read_config_dword(bp->pdev,
11592 PCICFG_ME_REGISTER, &pci_cfg_dword);
11593 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11594 ME_REG_ABS_PF_NUM_SHIFT);
11595 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011596 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011597
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011598 bnx2x_set_power_state(bp, PCI_D0);
11599
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011600 /* clean indirect addresses */
11601 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11602 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011603 /*
11604 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011605 * is not used by the driver.
11606 */
11607 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11608 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11609 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11610 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011611
Ariel Elior65087cf2012-01-23 07:31:55 +000011612 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040011613 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11614 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11615 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11616 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11617 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011618
Shmulik Ravid21894002011-07-24 03:57:04 +000011619 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011620 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000011621 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011622 */
Ariel Elior65087cf2012-01-23 07:31:55 +000011623 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000011624 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011625
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011626 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011627
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011628 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011629 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011630
Jiri Pirko01789342011-08-16 06:29:00 +000011631 dev->priv_flags |= IFF_UNICAST_FLT;
11632
Michał Mirosław66371c42011-04-12 09:38:23 +000011633 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011634 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11635 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11636 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011637
11638 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11639 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11640
11641 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011642 if (bp->flags & USING_DAC_FLAG)
11643 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011644
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011645 /* Add Loopback capability to the device */
11646 dev->hw_features |= NETIF_F_LOOPBACK;
11647
Shmulik Ravid98507672011-02-28 12:19:55 -080011648#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011649 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11650#endif
11651
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011652 /* get_port_hwinfo() will set prtad and mmds properly */
11653 bp->mdio.prtad = MDIO_PRTAD_NONE;
11654 bp->mdio.mmds = 0;
11655 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11656 bp->mdio.dev = dev;
11657 bp->mdio.mdio_read = bnx2x_mdio_read;
11658 bp->mdio.mdio_write = bnx2x_mdio_write;
11659
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011660 return 0;
11661
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011662err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011663 if (atomic_read(&pdev->enable_cnt) == 1)
11664 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011665
11666err_out_disable:
11667 pci_disable_device(pdev);
11668 pci_set_drvdata(pdev, NULL);
11669
11670err_out:
11671 return rc;
11672}
11673
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011674static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11675 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011676{
11677 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11678
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011679 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11680
11681 /* return value of 1=2.5GHz 2=5GHz */
11682 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011683}
11684
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011685static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011686{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011687 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011688 struct bnx2x_fw_file_hdr *fw_hdr;
11689 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011690 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011691 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011692 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011693 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011694
Merav Sicron51c1a582012-03-18 10:33:38 +000011695 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11696 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011697 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011698 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011699
11700 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11701 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11702
11703 /* Make sure none of the offsets and sizes make us read beyond
11704 * the end of the firmware data */
11705 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11706 offset = be32_to_cpu(sections[i].offset);
11707 len = be32_to_cpu(sections[i].len);
11708 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011709 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011710 return -EINVAL;
11711 }
11712 }
11713
11714 /* Likewise for the init_ops offsets */
11715 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11716 ops_offsets = (u16 *)(firmware->data + offset);
11717 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11718
11719 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11720 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011721 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011722 return -EINVAL;
11723 }
11724 }
11725
11726 /* Check FW version */
11727 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11728 fw_ver = firmware->data + offset;
11729 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11730 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11731 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11732 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011733 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11734 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11735 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011736 BCM_5710_FW_MINOR_VERSION,
11737 BCM_5710_FW_REVISION_VERSION,
11738 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011739 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011740 }
11741
11742 return 0;
11743}
11744
Eric Dumazet1191cb82012-04-27 21:39:21 +000011745static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011746{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011747 const __be32 *source = (const __be32 *)_source;
11748 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011749 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011750
11751 for (i = 0; i < n/4; i++)
11752 target[i] = be32_to_cpu(source[i]);
11753}
11754
11755/*
11756 Ops array is stored in the following format:
11757 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11758 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011759static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011760{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011761 const __be32 *source = (const __be32 *)_source;
11762 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011763 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011764
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011765 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011766 tmp = be32_to_cpu(source[j]);
11767 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011768 target[i].offset = tmp & 0xffffff;
11769 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011770 }
11771}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011772
Ben Hutchings1aa8b472012-07-10 10:56:59 +000011773/* IRO array is stored in the following format:
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011774 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11775 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011776static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011777{
11778 const __be32 *source = (const __be32 *)_source;
11779 struct iro *target = (struct iro *)_target;
11780 u32 i, j, tmp;
11781
11782 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11783 target[i].base = be32_to_cpu(source[j]);
11784 j++;
11785 tmp = be32_to_cpu(source[j]);
11786 target[i].m1 = (tmp >> 16) & 0xffff;
11787 target[i].m2 = tmp & 0xffff;
11788 j++;
11789 tmp = be32_to_cpu(source[j]);
11790 target[i].m3 = (tmp >> 16) & 0xffff;
11791 target[i].size = tmp & 0xffff;
11792 j++;
11793 }
11794}
11795
Eric Dumazet1191cb82012-04-27 21:39:21 +000011796static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011797{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011798 const __be16 *source = (const __be16 *)_source;
11799 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011800 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011801
11802 for (i = 0; i < n/2; i++)
11803 target[i] = be16_to_cpu(source[i]);
11804}
11805
Joe Perches7995c642010-02-17 15:01:52 +000011806#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11807do { \
11808 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11809 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011810 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011811 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011812 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11813 (u8 *)bp->arr, len); \
11814} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011815
Yuval Mintz3b603062012-03-18 10:33:39 +000011816static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011817{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011818 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011819 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011820 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011821
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011822 if (bp->firmware)
11823 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011824
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011825 if (CHIP_IS_E1(bp))
11826 fw_file_name = FW_FILE_NAME_E1;
11827 else if (CHIP_IS_E1H(bp))
11828 fw_file_name = FW_FILE_NAME_E1H;
11829 else if (!CHIP_IS_E1x(bp))
11830 fw_file_name = FW_FILE_NAME_E2;
11831 else {
11832 BNX2X_ERR("Unsupported chip revision\n");
11833 return -EINVAL;
11834 }
11835 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011836
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011837 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11838 if (rc) {
11839 BNX2X_ERR("Can't load firmware file %s\n",
11840 fw_file_name);
11841 goto request_firmware_exit;
11842 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011843
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011844 rc = bnx2x_check_firmware(bp);
11845 if (rc) {
11846 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11847 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011848 }
11849
11850 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11851
11852 /* Initialize the pointers to the init arrays */
11853 /* Blob */
11854 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11855
11856 /* Opcodes */
11857 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11858
11859 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011860 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11861 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011862
11863 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011864 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11865 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11866 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11867 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11868 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11869 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11870 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11871 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11872 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11873 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11874 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11875 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11876 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11877 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11878 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11879 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011880 /* IRO */
11881 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011882
11883 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011884
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011885iro_alloc_err:
11886 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011887init_offsets_alloc_err:
11888 kfree(bp->init_ops);
11889init_ops_alloc_err:
11890 kfree(bp->init_data);
11891request_firmware_exit:
11892 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011893 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011894
11895 return rc;
11896}
11897
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011898static void bnx2x_release_firmware(struct bnx2x *bp)
11899{
11900 kfree(bp->init_ops_offsets);
11901 kfree(bp->init_ops);
11902 kfree(bp->init_data);
11903 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011904 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011905}
11906
11907
11908static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11909 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11910 .init_hw_cmn = bnx2x_init_hw_common,
11911 .init_hw_port = bnx2x_init_hw_port,
11912 .init_hw_func = bnx2x_init_hw_func,
11913
11914 .reset_hw_cmn = bnx2x_reset_common,
11915 .reset_hw_port = bnx2x_reset_port,
11916 .reset_hw_func = bnx2x_reset_func,
11917
11918 .gunzip_init = bnx2x_gunzip_init,
11919 .gunzip_end = bnx2x_gunzip_end,
11920
11921 .init_fw = bnx2x_init_firmware,
11922 .release_fw = bnx2x_release_firmware,
11923};
11924
11925void bnx2x__init_func_obj(struct bnx2x *bp)
11926{
11927 /* Prepare DMAE related driver resources */
11928 bnx2x_setup_dmae(bp);
11929
11930 bnx2x_init_func_obj(bp, &bp->func_obj,
11931 bnx2x_sp(bp, func_rdata),
11932 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000011933 bnx2x_sp(bp, func_afex_rdata),
11934 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011935 &bnx2x_func_sp_drv);
11936}
11937
11938/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011939static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011940{
Merav Sicron37ae41a2012-06-19 07:48:27 +000011941 int cid_count = BNX2X_L2_MAX_CID(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011942
Merav Sicron55c11942012-11-07 00:45:48 +000011943 if (CNIC_SUPPORT(bp))
11944 cid_count += CNIC_CID_MAX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011945 return roundup(cid_count, QM_CID_ROUND);
11946}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011947
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011948/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011949 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011950 *
11951 * @dev: pci device
11952 *
11953 */
Merav Sicron55c11942012-11-07 00:45:48 +000011954static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev,
11955 int cnic_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011956{
11957 int pos;
11958 u16 control;
11959
11960 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011961
Ariel Elior6383c0b2011-07-14 08:31:57 +000011962 /*
11963 * If MSI-X is not supported - return number of SBs needed to support
11964 * one fast path queue: one FP queue + SB for CNIC
11965 */
11966 if (!pos)
Merav Sicron55c11942012-11-07 00:45:48 +000011967 return 1 + cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011968
11969 /*
11970 * The value in the PCI configuration space is the index of the last
11971 * entry, namely one less than the actual size of the table, which is
11972 * exactly what we want to return from this function: number of all SBs
11973 * without the default SB.
11974 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011975 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011976 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011977}
11978
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011979static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11980 const struct pci_device_id *ent)
11981{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011982 struct net_device *dev = NULL;
11983 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011984 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011985 int rc, max_non_def_sbs;
Merav Sicron65565882012-06-19 07:48:26 +000011986 int rx_count, tx_count, rss_count, doorbell_size;
Merav Sicron55c11942012-11-07 00:45:48 +000011987 int cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011988 /*
11989 * An estimated maximum supported CoS number according to the chip
11990 * version.
11991 * We will try to roughly estimate the maximum number of CoSes this chip
11992 * may support in order to minimize the memory allocated for Tx
11993 * netdev_queue's. This number will be accurately calculated during the
11994 * initialization of bp->max_cos based on the chip versions AND chip
11995 * revision in the bnx2x_init_bp().
11996 */
11997 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011998
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011999 switch (ent->driver_data) {
12000 case BCM57710:
12001 case BCM57711:
12002 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000012003 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
12004 break;
12005
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012006 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012007 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000012008 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
12009 break;
12010
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012011 case BCM57800:
12012 case BCM57800_MF:
12013 case BCM57810:
12014 case BCM57810_MF:
Yuval Mintzc3def942012-07-23 10:25:43 +030012015 case BCM57840_O:
12016 case BCM57840_4_10:
12017 case BCM57840_2_20:
12018 case BCM57840_MFO:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012019 case BCM57840_MF:
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000012020 case BCM57811:
12021 case BCM57811_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000012022 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012023 break;
12024
12025 default:
12026 pr_err("Unknown board_type (%ld), aborting\n",
12027 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000012028 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012029 }
12030
Merav Sicron55c11942012-11-07 00:45:48 +000012031 cnic_cnt = 1;
12032 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev, cnic_cnt);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012033
Ariel Elior6383c0b2011-07-14 08:31:57 +000012034 WARN_ON(!max_non_def_sbs);
12035
12036 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
Merav Sicron55c11942012-11-07 00:45:48 +000012037 rss_count = max_non_def_sbs - cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012038
12039 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
Merav Sicron55c11942012-11-07 00:45:48 +000012040 rx_count = rss_count + cnic_cnt;
Ariel Elior6383c0b2011-07-14 08:31:57 +000012041
12042 /*
12043 * Maximum number of netdev Tx queues:
Merav Sicron37ae41a2012-06-19 07:48:27 +000012044 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
Ariel Elior6383c0b2011-07-14 08:31:57 +000012045 */
Merav Sicron55c11942012-11-07 00:45:48 +000012046 tx_count = rss_count * max_cos_est + cnic_cnt;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012047
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012048 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012049 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000012050 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012051 return -ENOMEM;
12052
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012053 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012054
Ariel Elior6383c0b2011-07-14 08:31:57 +000012055 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000012056 bp->msg_enable = debug;
Merav Sicron55c11942012-11-07 00:45:48 +000012057 bp->cnic_support = cnic_cnt;
12058
Eilon Greensteindf4770de2009-08-12 08:23:28 +000012059 pci_set_drvdata(pdev, dev);
12060
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012061 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012062 if (rc < 0) {
12063 free_netdev(dev);
12064 return rc;
12065 }
12066
Merav Sicron55c11942012-11-07 00:45:48 +000012067 BNX2X_DEV_INFO("Cnic support is %s\n", CNIC_SUPPORT(bp) ? "on" : "off");
Merav Sicron51c1a582012-03-18 10:33:38 +000012068 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012069
Merav Sicron60aa0502012-06-19 07:48:29 +000012070 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
12071 tx_count, rx_count);
12072
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012073 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000012074 if (rc)
12075 goto init_one_exit;
12076
Ariel Elior6383c0b2011-07-14 08:31:57 +000012077 /*
12078 * Map doorbels here as we need the real value of bp->max_cos which
12079 * is initialized in bnx2x_init_bp().
12080 */
Merav Sicron37ae41a2012-06-19 07:48:27 +000012081 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
12082 if (doorbell_size > pci_resource_len(pdev, 2)) {
12083 dev_err(&bp->pdev->dev,
12084 "Cannot map doorbells, bar size too small, aborting\n");
12085 rc = -ENOMEM;
12086 goto init_one_exit;
12087 }
Ariel Elior6383c0b2011-07-14 08:31:57 +000012088 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Merav Sicron37ae41a2012-06-19 07:48:27 +000012089 doorbell_size);
Ariel Elior6383c0b2011-07-14 08:31:57 +000012090 if (!bp->doorbells) {
12091 dev_err(&bp->pdev->dev,
12092 "Cannot map doorbell space, aborting\n");
12093 rc = -ENOMEM;
12094 goto init_one_exit;
12095 }
12096
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012097 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000012098 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012099
Merav Sicron55c11942012-11-07 00:45:48 +000012100 /* disable FCOE L2 queue for E1x*/
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000012101 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012102 bp->flags |= NO_FCOE_FLAG;
12103
Dmitry Kravkov477864d2012-10-31 05:46:58 +000012104 /* disable FCOE for 57840 device, until FW supports it */
12105 switch (ent->driver_data) {
12106 case BCM57840_O:
12107 case BCM57840_4_10:
12108 case BCM57840_2_20:
12109 case BCM57840_MFO:
12110 case BCM57840_MF:
12111 bp->flags |= NO_FCOE_FLAG;
12112 }
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012113
12114 /* Set bp->num_queues for MSI-X mode*/
12115 bnx2x_set_num_queues(bp);
12116
Lucas De Marchi25985ed2011-03-30 22:57:33 -030012117 /* Configure interrupt mode: try to enable MSI-X/MSI if
Merav Sicron0e8d2ec2012-06-19 07:48:30 +000012118 * needed.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012119 */
12120 bnx2x_set_int_mode(bp);
12121
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080012122 rc = register_netdev(dev);
12123 if (rc) {
12124 dev_err(&pdev->dev, "Cannot register net device\n");
12125 goto init_one_exit;
12126 }
12127
Merav Sicron55c11942012-11-07 00:45:48 +000012128
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012129 if (!NO_FCOE(bp)) {
12130 /* Add storage MAC address */
12131 rtnl_lock();
12132 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12133 rtnl_unlock();
12134 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012135
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000012136 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012137
Merav Sicron51c1a582012-03-18 10:33:38 +000012138 BNX2X_DEV_INFO(
12139 "%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 +000012140 board_info[ent->driver_data].name,
12141 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
12142 pcie_width,
12143 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
12144 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
12145 "5GHz (Gen2)" : "2.5GHz",
12146 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000012147
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012148 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012149
12150init_one_exit:
12151 if (bp->regview)
12152 iounmap(bp->regview);
12153
12154 if (bp->doorbells)
12155 iounmap(bp->doorbells);
12156
12157 free_netdev(dev);
12158
12159 if (atomic_read(&pdev->enable_cnt) == 1)
12160 pci_release_regions(pdev);
12161
12162 pci_disable_device(pdev);
12163 pci_set_drvdata(pdev, NULL);
12164
12165 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012166}
12167
12168static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
12169{
12170 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080012171 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012172
Eliezer Tamir228241e2008-02-28 11:56:57 -080012173 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000012174 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080012175 return;
12176 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080012177 bp = netdev_priv(dev);
12178
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012179 /* Delete storage MAC address */
12180 if (!NO_FCOE(bp)) {
12181 rtnl_lock();
12182 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
12183 rtnl_unlock();
12184 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012185
Shmulik Ravid98507672011-02-28 12:19:55 -080012186#ifdef BCM_DCBNL
12187 /* Delete app tlvs from dcbnl */
12188 bnx2x_dcbnl_update_applist(bp, true);
12189#endif
12190
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012191 unregister_netdev(dev);
12192
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012193 /* Power on: we can't let PCI layer write to us while we are in D3 */
12194 bnx2x_set_power_state(bp, PCI_D0);
12195
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012196 /* Disable MSI/MSI-X */
12197 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000012198
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000012199 /* Power off */
12200 bnx2x_set_power_state(bp, PCI_D3hot);
12201
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012202 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000012203 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012204
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012205 if (bp->regview)
12206 iounmap(bp->regview);
12207
12208 if (bp->doorbells)
12209 iounmap(bp->doorbells);
12210
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000012211 bnx2x_release_firmware(bp);
12212
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012213 bnx2x_free_mem_bp(bp);
12214
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012215 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070012216
12217 if (atomic_read(&pdev->enable_cnt) == 1)
12218 pci_release_regions(pdev);
12219
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012220 pci_disable_device(pdev);
12221 pci_set_drvdata(pdev, NULL);
12222}
12223
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012224static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
12225{
12226 int i;
12227
12228 bp->state = BNX2X_STATE_ERROR;
12229
12230 bp->rx_mode = BNX2X_RX_MODE_NONE;
12231
Merav Sicron55c11942012-11-07 00:45:48 +000012232 if (CNIC_LOADED(bp))
12233 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
12234
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012235 /* Stop Tx */
12236 bnx2x_tx_disable(bp);
12237
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012238 bnx2x_netif_stop(bp, 0);
Merav Sicron26614ba2012-08-27 03:26:19 +000012239 /* Delete all NAPI objects */
12240 bnx2x_del_all_napi(bp);
Merav Sicron55c11942012-11-07 00:45:48 +000012241 if (CNIC_LOADED(bp))
12242 bnx2x_del_all_napi_cnic(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012243
12244 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012245
12246 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012247
12248 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012249 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012250
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012251 /* Free SKBs, SGEs, TPA pool and driver internals */
12252 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012253
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012254 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012255 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000012256
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012257 bnx2x_free_mem(bp);
12258
12259 bp->state = BNX2X_STATE_CLOSED;
12260
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012261 netif_carrier_off(bp->dev);
12262
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012263 return 0;
12264}
12265
12266static void bnx2x_eeh_recover(struct bnx2x *bp)
12267{
12268 u32 val;
12269
12270 mutex_init(&bp->port.phy_mutex);
12271
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012272
12273 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12274 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12275 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12276 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012277}
12278
Wendy Xiong493adb12008-06-23 20:36:22 -070012279/**
12280 * bnx2x_io_error_detected - called when PCI error is detected
12281 * @pdev: Pointer to PCI device
12282 * @state: The current pci connection state
12283 *
12284 * This function is called after a PCI bus error affecting
12285 * this device has been detected.
12286 */
12287static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12288 pci_channel_state_t state)
12289{
12290 struct net_device *dev = pci_get_drvdata(pdev);
12291 struct bnx2x *bp = netdev_priv(dev);
12292
12293 rtnl_lock();
12294
12295 netif_device_detach(dev);
12296
Dean Nelson07ce50e42009-07-31 09:13:25 +000012297 if (state == pci_channel_io_perm_failure) {
12298 rtnl_unlock();
12299 return PCI_ERS_RESULT_DISCONNECT;
12300 }
12301
Wendy Xiong493adb12008-06-23 20:36:22 -070012302 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012303 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012304
12305 pci_disable_device(pdev);
12306
12307 rtnl_unlock();
12308
12309 /* Request a slot reset */
12310 return PCI_ERS_RESULT_NEED_RESET;
12311}
12312
12313/**
12314 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12315 * @pdev: Pointer to PCI device
12316 *
12317 * Restart the card from scratch, as if from a cold-boot.
12318 */
12319static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12320{
12321 struct net_device *dev = pci_get_drvdata(pdev);
12322 struct bnx2x *bp = netdev_priv(dev);
12323
12324 rtnl_lock();
12325
12326 if (pci_enable_device(pdev)) {
12327 dev_err(&pdev->dev,
12328 "Cannot re-enable PCI device after reset\n");
12329 rtnl_unlock();
12330 return PCI_ERS_RESULT_DISCONNECT;
12331 }
12332
12333 pci_set_master(pdev);
12334 pci_restore_state(pdev);
12335
12336 if (netif_running(dev))
12337 bnx2x_set_power_state(bp, PCI_D0);
12338
12339 rtnl_unlock();
12340
12341 return PCI_ERS_RESULT_RECOVERED;
12342}
12343
12344/**
12345 * bnx2x_io_resume - called when traffic can start flowing again
12346 * @pdev: Pointer to PCI device
12347 *
12348 * This callback is called when the error recovery driver tells us that
12349 * its OK to resume normal operation.
12350 */
12351static void bnx2x_io_resume(struct pci_dev *pdev)
12352{
12353 struct net_device *dev = pci_get_drvdata(pdev);
12354 struct bnx2x *bp = netdev_priv(dev);
12355
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012356 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012357 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012358 return;
12359 }
12360
Wendy Xiong493adb12008-06-23 20:36:22 -070012361 rtnl_lock();
12362
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012363 bnx2x_eeh_recover(bp);
12364
Wendy Xiong493adb12008-06-23 20:36:22 -070012365 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012366 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012367
12368 netif_device_attach(dev);
12369
12370 rtnl_unlock();
12371}
12372
Stephen Hemminger3646f0e2012-09-07 09:33:15 -070012373static const struct pci_error_handlers bnx2x_err_handler = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012374 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012375 .slot_reset = bnx2x_io_slot_reset,
12376 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012377};
12378
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012379static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012380 .name = DRV_MODULE_NAME,
12381 .id_table = bnx2x_pci_tbl,
12382 .probe = bnx2x_init_one,
12383 .remove = __devexit_p(bnx2x_remove_one),
12384 .suspend = bnx2x_suspend,
12385 .resume = bnx2x_resume,
12386 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012387};
12388
12389static int __init bnx2x_init(void)
12390{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012391 int ret;
12392
Joe Perches7995c642010-02-17 15:01:52 +000012393 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012394
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012395 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12396 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012397 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012398 return -ENOMEM;
12399 }
12400
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012401 ret = pci_register_driver(&bnx2x_pci_driver);
12402 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012403 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012404 destroy_workqueue(bnx2x_wq);
12405 }
12406 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012407}
12408
12409static void __exit bnx2x_cleanup(void)
12410{
Yuval Mintz452427b2012-03-26 20:47:07 +000012411 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012412 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012413
12414 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012415
12416 /* Free globablly allocated resources */
12417 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12418 struct bnx2x_prev_path_list *tmp =
12419 list_entry(pos, struct bnx2x_prev_path_list, list);
12420 list_del(pos);
12421 kfree(tmp);
12422 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012423}
12424
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012425void bnx2x_notify_link_changed(struct bnx2x *bp)
12426{
12427 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12428}
12429
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012430module_init(bnx2x_init);
12431module_exit(bnx2x_cleanup);
12432
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012433/**
12434 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12435 *
12436 * @bp: driver handle
12437 * @set: set or clear the CAM entry
12438 *
12439 * This function will wait until the ramdord completion returns.
12440 * Return 0 if success, -ENODEV if ramrod doesn't return.
12441 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012442static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012443{
12444 unsigned long ramrod_flags = 0;
12445
12446 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12447 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12448 &bp->iscsi_l2_mac_obj, true,
12449 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12450}
Michael Chan993ac7b2009-10-10 13:46:56 +000012451
12452/* count denotes the number of new completions we have seen */
12453static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12454{
12455 struct eth_spe *spe;
Merav Sicrona0529972012-06-19 07:48:25 +000012456 int cxt_index, cxt_offset;
Michael Chan993ac7b2009-10-10 13:46:56 +000012457
12458#ifdef BNX2X_STOP_ON_ERROR
12459 if (unlikely(bp->panic))
12460 return;
12461#endif
12462
12463 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012464 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012465 bp->cnic_spq_pending -= count;
12466
Michael Chan993ac7b2009-10-10 13:46:56 +000012467
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012468 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12469 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12470 & SPE_HDR_CONN_TYPE) >>
12471 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012472 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12473 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012474
12475 /* Set validation for iSCSI L2 client before sending SETUP
12476 * ramrod
12477 */
12478 if (type == ETH_CONNECTION_TYPE) {
Merav Sicrona0529972012-06-19 07:48:25 +000012479 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
Merav Sicron37ae41a2012-06-19 07:48:27 +000012480 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
Merav Sicrona0529972012-06-19 07:48:25 +000012481 ILT_PAGE_CIDS;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012482 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
Merav Sicrona0529972012-06-19 07:48:25 +000012483 (cxt_index * ILT_PAGE_CIDS);
12484 bnx2x_set_ctx_validation(bp,
12485 &bp->context[cxt_index].
12486 vcxt[cxt_offset].eth,
Merav Sicron37ae41a2012-06-19 07:48:27 +000012487 BNX2X_ISCSI_ETH_CID(bp));
Merav Sicrona0529972012-06-19 07:48:25 +000012488 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012489 }
12490
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012491 /*
12492 * There may be not more than 8 L2, not more than 8 L5 SPEs
12493 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012494 * COMMON ramrods is not more than the EQ and SPQ can
12495 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012496 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012497 if (type == ETH_CONNECTION_TYPE) {
12498 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012499 break;
12500 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012501 atomic_dec(&bp->cq_spq_left);
12502 } else if (type == NONE_CONNECTION_TYPE) {
12503 if (!atomic_read(&bp->eq_spq_left))
12504 break;
12505 else
12506 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012507 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12508 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012509 if (bp->cnic_spq_pending >=
12510 bp->cnic_eth_dev.max_kwqe_pending)
12511 break;
12512 else
12513 bp->cnic_spq_pending++;
12514 } else {
12515 BNX2X_ERR("Unknown SPE type: %d\n", type);
12516 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012517 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012518 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012519
12520 spe = bnx2x_sp_get_next(bp);
12521 *spe = *bp->cnic_kwq_cons;
12522
Merav Sicron51c1a582012-03-18 10:33:38 +000012523 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012524 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12525
12526 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12527 bp->cnic_kwq_cons = bp->cnic_kwq;
12528 else
12529 bp->cnic_kwq_cons++;
12530 }
12531 bnx2x_sp_prod_update(bp);
12532 spin_unlock_bh(&bp->spq_lock);
12533}
12534
12535static int bnx2x_cnic_sp_queue(struct net_device *dev,
12536 struct kwqe_16 *kwqes[], u32 count)
12537{
12538 struct bnx2x *bp = netdev_priv(dev);
12539 int i;
12540
12541#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012542 if (unlikely(bp->panic)) {
12543 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012544 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012545 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012546#endif
12547
Ariel Elior95c6c6162012-01-26 06:01:52 +000012548 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12549 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012550 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012551 return -EAGAIN;
12552 }
12553
Michael Chan993ac7b2009-10-10 13:46:56 +000012554 spin_lock_bh(&bp->spq_lock);
12555
12556 for (i = 0; i < count; i++) {
12557 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12558
12559 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12560 break;
12561
12562 *bp->cnic_kwq_prod = *spe;
12563
12564 bp->cnic_kwq_pending++;
12565
Merav Sicron51c1a582012-03-18 10:33:38 +000012566 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012567 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012568 spe->data.update_data_addr.hi,
12569 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012570 bp->cnic_kwq_pending);
12571
12572 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12573 bp->cnic_kwq_prod = bp->cnic_kwq;
12574 else
12575 bp->cnic_kwq_prod++;
12576 }
12577
12578 spin_unlock_bh(&bp->spq_lock);
12579
12580 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12581 bnx2x_cnic_sp_post(bp, 0);
12582
12583 return i;
12584}
12585
12586static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12587{
12588 struct cnic_ops *c_ops;
12589 int rc = 0;
12590
12591 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012592 c_ops = rcu_dereference_protected(bp->cnic_ops,
12593 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012594 if (c_ops)
12595 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12596 mutex_unlock(&bp->cnic_mutex);
12597
12598 return rc;
12599}
12600
12601static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12602{
12603 struct cnic_ops *c_ops;
12604 int rc = 0;
12605
12606 rcu_read_lock();
12607 c_ops = rcu_dereference(bp->cnic_ops);
12608 if (c_ops)
12609 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12610 rcu_read_unlock();
12611
12612 return rc;
12613}
12614
12615/*
12616 * for commands that have no data
12617 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012618int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012619{
12620 struct cnic_ctl_info ctl = {0};
12621
12622 ctl.cmd = cmd;
12623
12624 return bnx2x_cnic_ctl_send(bp, &ctl);
12625}
12626
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012627static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012628{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012629 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012630
12631 /* first we tell CNIC and only then we count this as a completion */
12632 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12633 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012634 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012635
12636 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012637 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012638}
12639
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012640
12641/* Called with netif_addr_lock_bh() taken.
12642 * Sets an rx_mode config for an iSCSI ETH client.
12643 * Doesn't block.
12644 * Completion should be checked outside.
12645 */
12646static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12647{
12648 unsigned long accept_flags = 0, ramrod_flags = 0;
12649 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12650 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12651
12652 if (start) {
12653 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12654 * because it's the only way for UIO Queue to accept
12655 * multicasts (in non-promiscuous mode only one Queue per
12656 * function will receive multicast packets (leading in our
12657 * case).
12658 */
12659 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12660 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12661 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12662 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12663
12664 /* Clear STOP_PENDING bit if START is requested */
12665 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12666
12667 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12668 } else
12669 /* Clear START_PENDING bit if STOP is requested */
12670 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12671
12672 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12673 set_bit(sched_state, &bp->sp_state);
12674 else {
12675 __set_bit(RAMROD_RX, &ramrod_flags);
12676 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12677 ramrod_flags);
12678 }
12679}
12680
12681
Michael Chan993ac7b2009-10-10 13:46:56 +000012682static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12683{
12684 struct bnx2x *bp = netdev_priv(dev);
12685 int rc = 0;
12686
12687 switch (ctl->cmd) {
12688 case DRV_CTL_CTXTBL_WR_CMD: {
12689 u32 index = ctl->data.io.offset;
12690 dma_addr_t addr = ctl->data.io.dma_addr;
12691
12692 bnx2x_ilt_wr(bp, index, addr);
12693 break;
12694 }
12695
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012696 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12697 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012698
12699 bnx2x_cnic_sp_post(bp, count);
12700 break;
12701 }
12702
12703 /* rtnl_lock is held. */
12704 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012705 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12706 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012707
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012708 /* Configure the iSCSI classification object */
12709 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12710 cp->iscsi_l2_client_id,
12711 cp->iscsi_l2_cid, BP_FUNC(bp),
12712 bnx2x_sp(bp, mac_rdata),
12713 bnx2x_sp_mapping(bp, mac_rdata),
12714 BNX2X_FILTER_MAC_PENDING,
12715 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12716 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012717
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012718 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012719 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12720 if (rc)
12721 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012722
12723 mmiowb();
12724 barrier();
12725
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012726 /* Start accepting on iSCSI L2 ring */
12727
12728 netif_addr_lock_bh(dev);
12729 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12730 netif_addr_unlock_bh(dev);
12731
12732 /* bits to wait on */
12733 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12734 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12735
12736 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12737 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012738
Michael Chan993ac7b2009-10-10 13:46:56 +000012739 break;
12740 }
12741
12742 /* rtnl_lock is held. */
12743 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012744 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012745
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012746 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012747 netif_addr_lock_bh(dev);
12748 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12749 netif_addr_unlock_bh(dev);
12750
12751 /* bits to wait on */
12752 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12753 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12754
12755 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12756 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012757
12758 mmiowb();
12759 barrier();
12760
12761 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012762 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12763 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012764 break;
12765 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012766 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12767 int count = ctl->data.credit.credit_count;
12768
12769 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012770 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012771 smp_mb__after_atomic_inc();
12772 break;
12773 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012774 case DRV_CTL_ULP_REGISTER_CMD: {
Barak Witkowski2e499d32012-06-26 01:31:19 +000012775 int ulp_type = ctl->data.register_data.ulp_type;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012776
12777 if (CHIP_IS_E3(bp)) {
12778 int idx = BP_FW_MB_IDX(bp);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012779 u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12780 int path = BP_PATH(bp);
12781 int port = BP_PORT(bp);
12782 int i;
12783 u32 scratch_offset;
12784 u32 *host_addr;
Barak Witkowski1d187b32011-12-05 22:41:50 +000012785
Barak Witkowski2e499d32012-06-26 01:31:19 +000012786 /* first write capability to shmem2 */
Barak Witkowski1d187b32011-12-05 22:41:50 +000012787 if (ulp_type == CNIC_ULP_ISCSI)
12788 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12789 else if (ulp_type == CNIC_ULP_FCOE)
12790 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12791 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
Barak Witkowski2e499d32012-06-26 01:31:19 +000012792
12793 if ((ulp_type != CNIC_ULP_FCOE) ||
12794 (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
12795 (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES)))
12796 break;
12797
12798 /* if reached here - should write fcoe capabilities */
12799 scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
12800 if (!scratch_offset)
12801 break;
12802 scratch_offset += offsetof(struct glob_ncsi_oem_data,
12803 fcoe_features[path][port]);
12804 host_addr = (u32 *) &(ctl->data.register_data.
12805 fcoe_features);
12806 for (i = 0; i < sizeof(struct fcoe_capabilities);
12807 i += 4)
12808 REG_WR(bp, scratch_offset + i,
12809 *(host_addr + i/4));
Barak Witkowski1d187b32011-12-05 22:41:50 +000012810 }
12811 break;
12812 }
Barak Witkowski2e499d32012-06-26 01:31:19 +000012813
Barak Witkowski1d187b32011-12-05 22:41:50 +000012814 case DRV_CTL_ULP_UNREGISTER_CMD: {
12815 int ulp_type = ctl->data.ulp_type;
12816
12817 if (CHIP_IS_E3(bp)) {
12818 int idx = BP_FW_MB_IDX(bp);
12819 u32 cap;
12820
12821 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12822 if (ulp_type == CNIC_ULP_ISCSI)
12823 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12824 else if (ulp_type == CNIC_ULP_FCOE)
12825 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12826 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12827 }
12828 break;
12829 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012830
12831 default:
12832 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12833 rc = -EINVAL;
12834 }
12835
12836 return rc;
12837}
12838
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012839void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012840{
12841 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12842
12843 if (bp->flags & USING_MSIX_FLAG) {
12844 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12845 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12846 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12847 } else {
12848 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12849 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12850 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012851 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012852 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12853 else
12854 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12855
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012856 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12857 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012858 cp->irq_arr[1].status_blk = bp->def_status_blk;
12859 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012860 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012861
12862 cp->num_irq = 2;
12863}
12864
Merav Sicron37ae41a2012-06-19 07:48:27 +000012865void bnx2x_setup_cnic_info(struct bnx2x *bp)
12866{
12867 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12868
12869
12870 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12871 bnx2x_cid_ilt_lines(bp);
12872 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
12873 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
12874 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
12875
12876 if (NO_ISCSI_OOO(bp))
12877 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12878}
12879
Michael Chan993ac7b2009-10-10 13:46:56 +000012880static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12881 void *data)
12882{
12883 struct bnx2x *bp = netdev_priv(dev);
12884 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
Merav Sicron55c11942012-11-07 00:45:48 +000012885 int rc;
12886
12887 DP(NETIF_MSG_IFUP, "Register_cnic called\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012888
Merav Sicron51c1a582012-03-18 10:33:38 +000012889 if (ops == NULL) {
12890 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012891 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012892 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012893
Merav Sicron55c11942012-11-07 00:45:48 +000012894 if (!CNIC_SUPPORT(bp)) {
12895 BNX2X_ERR("Can't register CNIC when not supported\n");
12896 return -EOPNOTSUPP;
12897 }
12898
12899 if (!CNIC_LOADED(bp)) {
12900 rc = bnx2x_load_cnic(bp);
12901 if (rc) {
12902 BNX2X_ERR("CNIC-related load failed\n");
12903 return rc;
12904 }
12905
12906 }
12907
12908 bp->cnic_enabled = true;
12909
Michael Chan993ac7b2009-10-10 13:46:56 +000012910 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12911 if (!bp->cnic_kwq)
12912 return -ENOMEM;
12913
12914 bp->cnic_kwq_cons = bp->cnic_kwq;
12915 bp->cnic_kwq_prod = bp->cnic_kwq;
12916 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12917
12918 bp->cnic_spq_pending = 0;
12919 bp->cnic_kwq_pending = 0;
12920
12921 bp->cnic_data = data;
12922
12923 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012924 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012925 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012926
Michael Chan993ac7b2009-10-10 13:46:56 +000012927 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012928
Michael Chan993ac7b2009-10-10 13:46:56 +000012929 rcu_assign_pointer(bp->cnic_ops, ops);
12930
12931 return 0;
12932}
12933
12934static int bnx2x_unregister_cnic(struct net_device *dev)
12935{
12936 struct bnx2x *bp = netdev_priv(dev);
12937 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12938
12939 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012940 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012941 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012942 mutex_unlock(&bp->cnic_mutex);
12943 synchronize_rcu();
12944 kfree(bp->cnic_kwq);
12945 bp->cnic_kwq = NULL;
12946
12947 return 0;
12948}
12949
12950struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12951{
12952 struct bnx2x *bp = netdev_priv(dev);
12953 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12954
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012955 /* If both iSCSI and FCoE are disabled - return NULL in
12956 * order to indicate CNIC that it should not try to work
12957 * with this device.
12958 */
12959 if (NO_ISCSI(bp) && NO_FCOE(bp))
12960 return NULL;
12961
Michael Chan993ac7b2009-10-10 13:46:56 +000012962 cp->drv_owner = THIS_MODULE;
12963 cp->chip_id = CHIP_ID(bp);
12964 cp->pdev = bp->pdev;
12965 cp->io_base = bp->regview;
12966 cp->io_base2 = bp->doorbells;
12967 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012968 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012969 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12970 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012971 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012972 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012973 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12974 cp->drv_ctl = bnx2x_drv_ctl;
12975 cp->drv_register_cnic = bnx2x_register_cnic;
12976 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Merav Sicron37ae41a2012-06-19 07:48:27 +000012977 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012978 cp->iscsi_l2_client_id =
12979 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Merav Sicron37ae41a2012-06-19 07:48:27 +000012980 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012981
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012982 if (NO_ISCSI_OOO(bp))
12983 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12984
12985 if (NO_ISCSI(bp))
12986 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12987
12988 if (NO_FCOE(bp))
12989 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12990
Merav Sicron51c1a582012-03-18 10:33:38 +000012991 BNX2X_DEV_INFO(
12992 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012993 cp->ctx_blk_size,
12994 cp->ctx_tbl_offset,
12995 cp->ctx_tbl_len,
12996 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012997 return cp;
12998}
12999EXPORT_SYMBOL(bnx2x_cnic_probe);
13000
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070013001