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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
Eilon Greenstein34f80b02008-06-23 20:33:01 -070077/* Time in jiffies before concluding the transmitter is hung */
78#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020079
Andrew Morton53a10562008-02-09 23:16:41 -080080static char version[] __devinitdata =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030081 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
83
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070084MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000085MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030086 "BCM57710/57711/57711E/"
87 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
88 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020089MODULE_LICENSE("GPL");
90MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000091MODULE_FIRMWARE(FW_FILE_NAME_E1);
92MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000093MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020094
Eilon Greensteinca003922009-08-12 22:53:28 -070095
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000096int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000097module_param(num_queues, int, 0);
Dmitry Kravkov96305232012-04-03 18:41:30 +000098MODULE_PARM_DESC(num_queues,
99 " Set number of queues (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000100
Eilon Greenstein19680c42008-08-13 15:47:33 -0700101static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700102module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000103MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000104
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000105#define INT_MODE_INTx 1
106#define INT_MODE_MSI 2
Eilon Greenstein8badd272009-02-12 08:36:15 +0000107static int int_mode;
108module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300109MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000110 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000111
Eilon Greensteina18f5122009-08-12 08:23:26 +0000112static int dropless_fc;
113module_param(dropless_fc, int, 0);
114MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
115
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000116static int mrrs = -1;
117module_param(mrrs, int, 0);
118MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
119
Eilon Greenstein9898f862009-02-12 08:38:27 +0000120static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200121module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122MODULE_PARM_DESC(debug, " Default debug msglevel");
123
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300125
126struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000127
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200128enum bnx2x_board_type {
129 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300130 BCM57711,
131 BCM57711E,
132 BCM57712,
133 BCM57712_MF,
134 BCM57800,
135 BCM57800_MF,
136 BCM57810,
137 BCM57810_MF,
138 BCM57840,
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000139 BCM57840_MF,
140 BCM57811,
141 BCM57811_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200142};
143
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700144/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800145static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146 char *name;
147} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300148 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
149 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
150 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
151 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
152 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
153 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
154 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
155 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
156 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
157 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000158 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet Multi Function"},
159 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet"},
160 { "Broadcom NetXtreme II BCM57811 10 Gigabit Ethernet Multi Function"},
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200161};
162
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300163#ifndef PCI_DEVICE_ID_NX2_57710
164#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
165#endif
166#ifndef PCI_DEVICE_ID_NX2_57711
167#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
168#endif
169#ifndef PCI_DEVICE_ID_NX2_57711E
170#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
171#endif
172#ifndef PCI_DEVICE_ID_NX2_57712
173#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
174#endif
175#ifndef PCI_DEVICE_ID_NX2_57712_MF
176#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
177#endif
178#ifndef PCI_DEVICE_ID_NX2_57800
179#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
180#endif
181#ifndef PCI_DEVICE_ID_NX2_57800_MF
182#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
183#endif
184#ifndef PCI_DEVICE_ID_NX2_57810
185#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
186#endif
187#ifndef PCI_DEVICE_ID_NX2_57810_MF
188#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
189#endif
190#ifndef PCI_DEVICE_ID_NX2_57840
191#define PCI_DEVICE_ID_NX2_57840 CHIP_NUM_57840
192#endif
193#ifndef PCI_DEVICE_ID_NX2_57840_MF
194#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
195#endif
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000196#ifndef PCI_DEVICE_ID_NX2_57811
197#define PCI_DEVICE_ID_NX2_57811 CHIP_NUM_57811
198#endif
199#ifndef PCI_DEVICE_ID_NX2_57811_MF
200#define PCI_DEVICE_ID_NX2_57811_MF CHIP_NUM_57811_MF
201#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000202static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000203 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
204 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
205 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000206 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300207 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
208 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
209 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
210 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
211 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
212 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840), BCM57840 },
213 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Barak Witkowski7e8e02d2012-04-03 18:41:28 +0000214 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
215 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200216 { 0 }
217};
218
219MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
220
Yuval Mintz452427b2012-03-26 20:47:07 +0000221/* Global resources for unloading a previously loaded device */
222#define BNX2X_PREV_WAIT_NEEDED 1
223static DEFINE_SEMAPHORE(bnx2x_prev_sem);
224static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200225/****************************************************************************
226* General service functions
227****************************************************************************/
228
Eric Dumazet1191cb82012-04-27 21:39:21 +0000229static void __storm_memset_dma_mapping(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300230 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000231{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300232 REG_WR(bp, addr, U64_LO(mapping));
233 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000234}
235
Eric Dumazet1191cb82012-04-27 21:39:21 +0000236static void storm_memset_spq_addr(struct bnx2x *bp,
237 dma_addr_t mapping, u16 abs_fid)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300238{
239 u32 addr = XSEM_REG_FAST_MEMORY +
240 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
241
242 __storm_memset_dma_mapping(bp, addr, mapping);
243}
244
Eric Dumazet1191cb82012-04-27 21:39:21 +0000245static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
246 u16 pf_id)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300247{
248 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
249 pf_id);
250 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
251 pf_id);
252 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
253 pf_id);
254 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
255 pf_id);
256}
257
Eric Dumazet1191cb82012-04-27 21:39:21 +0000258static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
259 u8 enable)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300260{
261 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
262 enable);
263 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
264 enable);
265 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
266 enable);
267 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
268 enable);
269}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000270
Eric Dumazet1191cb82012-04-27 21:39:21 +0000271static void storm_memset_eq_data(struct bnx2x *bp,
272 struct event_ring_data *eq_data,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000273 u16 pfid)
274{
275 size_t size = sizeof(struct event_ring_data);
276
277 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
278
279 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
280}
281
Eric Dumazet1191cb82012-04-27 21:39:21 +0000282static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
283 u16 pfid)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000284{
285 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
286 REG_WR16(bp, addr, eq_prod);
287}
288
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200289/* used only at init
290 * locking is done by mcp
291 */
stephen hemminger8d962862010-10-21 07:50:56 +0000292static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200293{
294 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
295 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
296 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
297 PCICFG_VENDOR_ID_OFFSET);
298}
299
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200300static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
301{
302 u32 val;
303
304 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
305 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
306 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
307 PCICFG_VENDOR_ID_OFFSET);
308
309 return val;
310}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200311
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000312#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
313#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
314#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
315#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
316#define DMAE_DP_DST_NONE "dst_addr [none]"
317
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000318
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200319/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000320void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200321{
322 u32 cmd_offset;
323 int i;
324
325 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
326 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
327 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200328 }
329 REG_WR(bp, dmae_reg_go_c[idx], 1);
330}
331
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000332u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
333{
334 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
335 DMAE_CMD_C_ENABLE);
336}
337
338u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
339{
340 return opcode & ~DMAE_CMD_SRC_RESET;
341}
342
343u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
344 bool with_comp, u8 comp_type)
345{
346 u32 opcode = 0;
347
348 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
349 (dst_type << DMAE_COMMAND_DST_SHIFT));
350
351 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
352
353 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400354 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
355 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000356 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
357
358#ifdef __BIG_ENDIAN
359 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
360#else
361 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
362#endif
363 if (with_comp)
364 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
365 return opcode;
366}
367
stephen hemminger8d962862010-10-21 07:50:56 +0000368static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
369 struct dmae_command *dmae,
370 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000371{
372 memset(dmae, 0, sizeof(struct dmae_command));
373
374 /* set the opcode */
375 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
376 true, DMAE_COMP_PCI);
377
378 /* fill in the completion parameters */
379 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
380 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
381 dmae->comp_val = DMAE_COMP_VAL;
382}
383
384/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000385static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
386 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000387{
388 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000389 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000390 int rc = 0;
391
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300392 /*
393 * Lock the dmae channel. Disable BHs to prevent a dead-lock
394 * as long as this code is called both from syscall context and
395 * from ndo_set_rx_mode() flow that may be called from BH.
396 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800397 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000398
399 /* reset completion */
400 *wb_comp = 0;
401
402 /* post the command on the channel used for initializations */
403 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
404
405 /* wait for completion */
406 udelay(5);
407 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000408
Ariel Elior95c6c6162012-01-26 06:01:52 +0000409 if (!cnt ||
410 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
411 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000412 BNX2X_ERR("DMAE timeout!\n");
413 rc = DMAE_TIMEOUT;
414 goto unlock;
415 }
416 cnt--;
417 udelay(50);
418 }
419 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
420 BNX2X_ERR("DMAE PCI error!\n");
421 rc = DMAE_PCI_ERROR;
422 }
423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000424unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800425 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000426 return rc;
427}
428
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700429void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
430 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200431{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000432 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700433
434 if (!bp->dmae_ready) {
435 u32 *data = bnx2x_sp(bp, wb_data[0]);
436
Ariel Elior127a4252012-01-26 06:01:46 +0000437 if (CHIP_IS_E1(bp))
438 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
439 else
440 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700441 return;
442 }
443
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000444 /* set opcode and fixed command fields */
445 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200446
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000447 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000448 dmae.src_addr_lo = U64_LO(dma_addr);
449 dmae.src_addr_hi = U64_HI(dma_addr);
450 dmae.dst_addr_lo = dst_addr >> 2;
451 dmae.dst_addr_hi = 0;
452 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200453
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000454 /* issue the command and wait for completion */
455 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200456}
457
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700458void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200459{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000460 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700461
462 if (!bp->dmae_ready) {
463 u32 *data = bnx2x_sp(bp, wb_data[0]);
464 int i;
465
Merav Sicron51c1a582012-03-18 10:33:38 +0000466 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000467 for (i = 0; i < len32; i++)
468 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000469 else
Ariel Elior127a4252012-01-26 06:01:46 +0000470 for (i = 0; i < len32; i++)
471 data[i] = REG_RD(bp, src_addr + i*4);
472
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700473 return;
474 }
475
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000476 /* set opcode and fixed command fields */
477 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000479 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000480 dmae.src_addr_lo = src_addr >> 2;
481 dmae.src_addr_hi = 0;
482 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
483 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
484 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200485
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000486 /* issue the command and wait for completion */
487 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200488}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200489
stephen hemminger8d962862010-10-21 07:50:56 +0000490static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
491 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000492{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000493 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000494 int offset = 0;
495
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000496 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000497 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000498 addr + offset, dmae_wr_max);
499 offset += dmae_wr_max * 4;
500 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000501 }
502
503 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
504}
505
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200506static int bnx2x_mc_assert(struct bnx2x *bp)
507{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200508 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700509 int i, rc = 0;
510 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200511
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700512 /* XSTORM */
513 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
514 XSTORM_ASSERT_LIST_INDEX_OFFSET);
515 if (last_idx)
516 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200517
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700518 /* print the asserts */
519 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200520
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700521 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
522 XSTORM_ASSERT_LIST_OFFSET(i));
523 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
524 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
525 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
526 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
527 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
528 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200529
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700530 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000531 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700532 i, row3, row2, row1, row0);
533 rc++;
534 } else {
535 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200536 }
537 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700538
539 /* TSTORM */
540 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
541 TSTORM_ASSERT_LIST_INDEX_OFFSET);
542 if (last_idx)
543 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
544
545 /* print the asserts */
546 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
547
548 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
549 TSTORM_ASSERT_LIST_OFFSET(i));
550 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
551 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
552 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
553 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
554 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
555 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
556
557 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000558 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700559 i, row3, row2, row1, row0);
560 rc++;
561 } else {
562 break;
563 }
564 }
565
566 /* CSTORM */
567 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
568 CSTORM_ASSERT_LIST_INDEX_OFFSET);
569 if (last_idx)
570 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
571
572 /* print the asserts */
573 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
574
575 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
576 CSTORM_ASSERT_LIST_OFFSET(i));
577 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
578 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
579 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
580 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
581 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
582 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
583
584 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000585 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700586 i, row3, row2, row1, row0);
587 rc++;
588 } else {
589 break;
590 }
591 }
592
593 /* USTORM */
594 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
595 USTORM_ASSERT_LIST_INDEX_OFFSET);
596 if (last_idx)
597 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
598
599 /* print the asserts */
600 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
601
602 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
603 USTORM_ASSERT_LIST_OFFSET(i));
604 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
605 USTORM_ASSERT_LIST_OFFSET(i) + 4);
606 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
607 USTORM_ASSERT_LIST_OFFSET(i) + 8);
608 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
609 USTORM_ASSERT_LIST_OFFSET(i) + 12);
610
611 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000612 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700613 i, row3, row2, row1, row0);
614 rc++;
615 } else {
616 break;
617 }
618 }
619
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200620 return rc;
621}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800622
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000623void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200624{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000625 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200626 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000627 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200628 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000629 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000630 if (BP_NOMCP(bp)) {
631 BNX2X_ERR("NO MCP - can not dump\n");
632 return;
633 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000634 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
635 (bp->common.bc_ver & 0xff0000) >> 16,
636 (bp->common.bc_ver & 0xff00) >> 8,
637 (bp->common.bc_ver & 0xff));
638
639 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
640 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000641 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000642
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000643 if (BP_PATH(bp) == 0)
644 trace_shmem_base = bp->common.shmem_base;
645 else
646 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000647 addr = trace_shmem_base - 0x800;
648
649 /* validate TRCB signature */
650 mark = REG_RD(bp, addr);
651 if (mark != MFW_TRACE_SIGNATURE) {
652 BNX2X_ERR("Trace buffer signature is missing.");
653 return ;
654 }
655
656 /* read cyclic buffer pointer */
657 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000658 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000659 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
660 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000661 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200662
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000663 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000664 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200665 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000666 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200667 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000668 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200669 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000670 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000672 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200673 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000674 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200675 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000676 printk("%s" "end of fw dump\n", lvl);
677}
678
Eric Dumazet1191cb82012-04-27 21:39:21 +0000679static void bnx2x_fw_dump(struct bnx2x *bp)
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000680{
681 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200682}
683
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000684void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200685{
686 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000687 u16 j;
688 struct hc_sp_status_block_data sp_sb_data;
689 int func = BP_FUNC(bp);
690#ifdef BNX2X_STOP_ON_ERROR
691 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000692 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000693#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200694
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700695 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000696 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700697 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
698
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200699 BNX2X_ERR("begin crash dump -----------------\n");
700
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000701 /* Indices */
702 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000703 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 +0300704 bp->def_idx, bp->def_att_idx, bp->attn_state,
705 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000706 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
707 bp->def_status_blk->atten_status_block.attn_bits,
708 bp->def_status_blk->atten_status_block.attn_bits_ack,
709 bp->def_status_blk->atten_status_block.status_block_id,
710 bp->def_status_blk->atten_status_block.attn_bits_index);
711 BNX2X_ERR(" def (");
712 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
713 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000714 bp->def_status_blk->sp_sb.index_values[i],
715 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000716
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000717 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
718 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
719 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
720 i*sizeof(u32));
721
Joe Perchesf1deab52011-08-14 12:16:21 +0000722 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 +0000723 sp_sb_data.igu_sb_id,
724 sp_sb_data.igu_seg_id,
725 sp_sb_data.p_func.pf_id,
726 sp_sb_data.p_func.vnic_id,
727 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300728 sp_sb_data.p_func.vf_valid,
729 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000730
731
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000732 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000733 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000734 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000735 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000736 struct hc_status_block_data_e1x sb_data_e1x;
737 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300738 CHIP_IS_E1x(bp) ?
739 sb_data_e1x.common.state_machine :
740 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000741 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300742 CHIP_IS_E1x(bp) ?
743 sb_data_e1x.index_data :
744 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000745 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000746 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000747 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000748
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000749 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000750 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 +0000751 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000752 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000753 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000754 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 +0000755 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000756 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000757
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000758 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000759 for_each_cos_in_tx_queue(fp, cos)
760 {
761 txdata = fp->txdata[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000762 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 +0000763 i, txdata.tx_pkt_prod,
764 txdata.tx_pkt_cons, txdata.tx_bd_prod,
765 txdata.tx_bd_cons,
766 le16_to_cpu(*txdata.tx_cons_sb));
767 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000768
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300769 loop = CHIP_IS_E1x(bp) ?
770 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000771
772 /* host sb data */
773
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000774#ifdef BCM_CNIC
775 if (IS_FCOE_FP(fp))
776 continue;
777#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000778 BNX2X_ERR(" run indexes (");
779 for (j = 0; j < HC_SB_MAX_SM; j++)
780 pr_cont("0x%x%s",
781 fp->sb_running_index[j],
782 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
783
784 BNX2X_ERR(" indexes (");
785 for (j = 0; j < loop; j++)
786 pr_cont("0x%x%s",
787 fp->sb_index_values[j],
788 (j == loop - 1) ? ")" : " ");
789 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300790 data_size = CHIP_IS_E1x(bp) ?
791 sizeof(struct hc_status_block_data_e1x) :
792 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000793 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300794 sb_data_p = CHIP_IS_E1x(bp) ?
795 (u32 *)&sb_data_e1x :
796 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000797 /* copy sb data in here */
798 for (j = 0; j < data_size; j++)
799 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
800 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
801 j * sizeof(u32));
802
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300803 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000804 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 +0000805 sb_data_e2.common.p_func.pf_id,
806 sb_data_e2.common.p_func.vf_id,
807 sb_data_e2.common.p_func.vf_valid,
808 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300809 sb_data_e2.common.same_igu_sb_1b,
810 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000811 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +0000812 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 +0000813 sb_data_e1x.common.p_func.pf_id,
814 sb_data_e1x.common.p_func.vf_id,
815 sb_data_e1x.common.p_func.vf_valid,
816 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300817 sb_data_e1x.common.same_igu_sb_1b,
818 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000819 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000820
821 /* SB_SMs data */
822 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000823 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",
824 j, hc_sm_p[j].__flags,
825 hc_sm_p[j].igu_sb_id,
826 hc_sm_p[j].igu_seg_id,
827 hc_sm_p[j].time_to_expire,
828 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000829 }
830
831 /* Indecies data */
832 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000833 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000834 hc_index_p[j].flags,
835 hc_index_p[j].timeout);
836 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000837 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200838
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000839#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000840 /* Rings */
841 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000842 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000843 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200844
845 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
846 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000847 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200848 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
849 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
850
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000851 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000852 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200853 }
854
Eilon Greenstein3196a882008-08-13 15:58:49 -0700855 start = RX_SGE(fp->rx_sge_prod);
856 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000857 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700858 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
859 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
860
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000861 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
862 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700863 }
864
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200865 start = RCQ_BD(fp->rx_comp_cons - 10);
866 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000867 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
869
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000870 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
871 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872 }
873 }
874
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000875 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000876 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000877 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000878 for_each_cos_in_tx_queue(fp, cos) {
879 struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000880
Ariel Elior6383c0b2011-07-14 08:31:57 +0000881 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
882 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
883 for (j = start; j != end; j = TX_BD(j + 1)) {
884 struct sw_tx_bd *sw_bd =
885 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000886
Merav Sicron51c1a582012-03-18 10:33:38 +0000887 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000888 i, cos, j, sw_bd->skb,
889 sw_bd->first_bd);
890 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000891
Ariel Elior6383c0b2011-07-14 08:31:57 +0000892 start = TX_BD(txdata->tx_bd_cons - 10);
893 end = TX_BD(txdata->tx_bd_cons + 254);
894 for (j = start; j != end; j = TX_BD(j + 1)) {
895 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000896
Merav Sicron51c1a582012-03-18 10:33:38 +0000897 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000898 i, cos, j, tx_bd[0], tx_bd[1],
899 tx_bd[2], tx_bd[3]);
900 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000901 }
902 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000903#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700904 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200905 bnx2x_mc_assert(bp);
906 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200907}
908
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300909/*
910 * FLR Support for E2
911 *
912 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
913 * initialization.
914 */
915#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +0000916#define FLR_WAIT_INTERVAL 50 /* usec */
917#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300918
919struct pbf_pN_buf_regs {
920 int pN;
921 u32 init_crd;
922 u32 crd;
923 u32 crd_freed;
924};
925
926struct pbf_pN_cmd_regs {
927 int pN;
928 u32 lines_occup;
929 u32 lines_freed;
930};
931
932static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
933 struct pbf_pN_buf_regs *regs,
934 u32 poll_count)
935{
936 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
937 u32 cur_cnt = poll_count;
938
939 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
940 crd = crd_start = REG_RD(bp, regs->crd);
941 init_crd = REG_RD(bp, regs->init_crd);
942
943 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
944 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
945 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
946
947 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
948 (init_crd - crd_start))) {
949 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000950 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300951 crd = REG_RD(bp, regs->crd);
952 crd_freed = REG_RD(bp, regs->crd_freed);
953 } else {
954 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
955 regs->pN);
956 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
957 regs->pN, crd);
958 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
959 regs->pN, crd_freed);
960 break;
961 }
962 }
963 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000964 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300965}
966
967static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
968 struct pbf_pN_cmd_regs *regs,
969 u32 poll_count)
970{
971 u32 occup, to_free, freed, freed_start;
972 u32 cur_cnt = poll_count;
973
974 occup = to_free = REG_RD(bp, regs->lines_occup);
975 freed = freed_start = REG_RD(bp, regs->lines_freed);
976
977 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
978 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
979
980 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
981 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +0000982 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300983 occup = REG_RD(bp, regs->lines_occup);
984 freed = REG_RD(bp, regs->lines_freed);
985 } else {
986 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
987 regs->pN);
988 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
989 regs->pN, occup);
990 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
991 regs->pN, freed);
992 break;
993 }
994 }
995 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +0000996 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300997}
998
Eric Dumazet1191cb82012-04-27 21:39:21 +0000999static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1000 u32 expected, u32 poll_count)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001001{
1002 u32 cur_cnt = poll_count;
1003 u32 val;
1004
1005 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001006 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001007
1008 return val;
1009}
1010
Eric Dumazet1191cb82012-04-27 21:39:21 +00001011static int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1012 char *msg, u32 poll_cnt)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001013{
1014 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1015 if (val != 0) {
1016 BNX2X_ERR("%s usage count=%d\n", msg, val);
1017 return 1;
1018 }
1019 return 0;
1020}
1021
1022static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1023{
1024 /* adjust polling timeout */
1025 if (CHIP_REV_IS_EMUL(bp))
1026 return FLR_POLL_CNT * 2000;
1027
1028 if (CHIP_REV_IS_FPGA(bp))
1029 return FLR_POLL_CNT * 120;
1030
1031 return FLR_POLL_CNT;
1032}
1033
1034static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1035{
1036 struct pbf_pN_cmd_regs cmd_regs[] = {
1037 {0, (CHIP_IS_E3B0(bp)) ?
1038 PBF_REG_TQ_OCCUPANCY_Q0 :
1039 PBF_REG_P0_TQ_OCCUPANCY,
1040 (CHIP_IS_E3B0(bp)) ?
1041 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1042 PBF_REG_P0_TQ_LINES_FREED_CNT},
1043 {1, (CHIP_IS_E3B0(bp)) ?
1044 PBF_REG_TQ_OCCUPANCY_Q1 :
1045 PBF_REG_P1_TQ_OCCUPANCY,
1046 (CHIP_IS_E3B0(bp)) ?
1047 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1048 PBF_REG_P1_TQ_LINES_FREED_CNT},
1049 {4, (CHIP_IS_E3B0(bp)) ?
1050 PBF_REG_TQ_OCCUPANCY_LB_Q :
1051 PBF_REG_P4_TQ_OCCUPANCY,
1052 (CHIP_IS_E3B0(bp)) ?
1053 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1054 PBF_REG_P4_TQ_LINES_FREED_CNT}
1055 };
1056
1057 struct pbf_pN_buf_regs buf_regs[] = {
1058 {0, (CHIP_IS_E3B0(bp)) ?
1059 PBF_REG_INIT_CRD_Q0 :
1060 PBF_REG_P0_INIT_CRD ,
1061 (CHIP_IS_E3B0(bp)) ?
1062 PBF_REG_CREDIT_Q0 :
1063 PBF_REG_P0_CREDIT,
1064 (CHIP_IS_E3B0(bp)) ?
1065 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1066 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1067 {1, (CHIP_IS_E3B0(bp)) ?
1068 PBF_REG_INIT_CRD_Q1 :
1069 PBF_REG_P1_INIT_CRD,
1070 (CHIP_IS_E3B0(bp)) ?
1071 PBF_REG_CREDIT_Q1 :
1072 PBF_REG_P1_CREDIT,
1073 (CHIP_IS_E3B0(bp)) ?
1074 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1075 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1076 {4, (CHIP_IS_E3B0(bp)) ?
1077 PBF_REG_INIT_CRD_LB_Q :
1078 PBF_REG_P4_INIT_CRD,
1079 (CHIP_IS_E3B0(bp)) ?
1080 PBF_REG_CREDIT_LB_Q :
1081 PBF_REG_P4_CREDIT,
1082 (CHIP_IS_E3B0(bp)) ?
1083 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1084 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1085 };
1086
1087 int i;
1088
1089 /* Verify the command queues are flushed P0, P1, P4 */
1090 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1091 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1092
1093
1094 /* Verify the transmission buffers are flushed P0, P1, P4 */
1095 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1096 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1097}
1098
1099#define OP_GEN_PARAM(param) \
1100 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1101
1102#define OP_GEN_TYPE(type) \
1103 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1104
1105#define OP_GEN_AGG_VECT(index) \
1106 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1107
1108
Eric Dumazet1191cb82012-04-27 21:39:21 +00001109static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001110 u32 poll_cnt)
1111{
1112 struct sdm_op_gen op_gen = {0};
1113
1114 u32 comp_addr = BAR_CSTRORM_INTMEM +
1115 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1116 int ret = 0;
1117
1118 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001119 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001120 return 1;
1121 }
1122
1123 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1124 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1125 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1126 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1127
Ariel Elior89db4ad2012-01-26 06:01:48 +00001128 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001129 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1130
1131 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1132 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001133 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1134 (REG_RD(bp, comp_addr)));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001135 ret = 1;
1136 }
1137 /* Zero completion for nxt FLR */
1138 REG_WR(bp, comp_addr, 0);
1139
1140 return ret;
1141}
1142
Eric Dumazet1191cb82012-04-27 21:39:21 +00001143static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001144{
1145 int pos;
1146 u16 status;
1147
Jon Mason77c98e62011-06-27 07:45:12 +00001148 pos = pci_pcie_cap(dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001149 if (!pos)
1150 return false;
1151
1152 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
1153 return status & PCI_EXP_DEVSTA_TRPND;
1154}
1155
1156/* PF FLR specific routines
1157*/
1158static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1159{
1160
1161 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1162 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1163 CFC_REG_NUM_LCIDS_INSIDE_PF,
1164 "CFC PF usage counter timed out",
1165 poll_cnt))
1166 return 1;
1167
1168
1169 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1170 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1171 DORQ_REG_PF_USAGE_CNT,
1172 "DQ PF usage counter timed out",
1173 poll_cnt))
1174 return 1;
1175
1176 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1177 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1178 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1179 "QM PF usage counter timed out",
1180 poll_cnt))
1181 return 1;
1182
1183 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1184 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1185 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1186 "Timers VNIC usage counter timed out",
1187 poll_cnt))
1188 return 1;
1189 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1190 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1191 "Timers NUM_SCANS usage counter timed out",
1192 poll_cnt))
1193 return 1;
1194
1195 /* Wait DMAE PF usage counter to zero */
1196 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1197 dmae_reg_go_c[INIT_DMAE_C(bp)],
1198 "DMAE dommand register timed out",
1199 poll_cnt))
1200 return 1;
1201
1202 return 0;
1203}
1204
1205static void bnx2x_hw_enable_status(struct bnx2x *bp)
1206{
1207 u32 val;
1208
1209 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1210 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1211
1212 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1213 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1214
1215 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1216 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1217
1218 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1219 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1220
1221 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1222 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1223
1224 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1225 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1226
1227 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1228 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1229
1230 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1231 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1232 val);
1233}
1234
1235static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1236{
1237 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1238
1239 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1240
1241 /* Re-enable PF target read access */
1242 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1243
1244 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001245 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001246 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1247 return -EBUSY;
1248
1249 /* Zero the igu 'trailing edge' and 'leading edge' */
1250
1251 /* Send the FW cleanup command */
1252 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1253 return -EBUSY;
1254
1255 /* ATC cleanup */
1256
1257 /* Verify TX hw is flushed */
1258 bnx2x_tx_hw_flushed(bp, poll_cnt);
1259
1260 /* Wait 100ms (not adjusted according to platform) */
1261 msleep(100);
1262
1263 /* Verify no pending pci transactions */
1264 if (bnx2x_is_pcie_pending(bp->pdev))
1265 BNX2X_ERR("PCIE Transactions still pending\n");
1266
1267 /* Debug */
1268 bnx2x_hw_enable_status(bp);
1269
1270 /*
1271 * Master enable - Due to WB DMAE writes performed before this
1272 * register is re-initialized as part of the regular function init
1273 */
1274 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1275
1276 return 0;
1277}
1278
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001279static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001280{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001281 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001282 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1283 u32 val = REG_RD(bp, addr);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001284 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1285 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1286 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001287
1288 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001289 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1290 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001291 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1292 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Dmitry Kravkov69c326b2012-05-02 01:16:33 +00001293 if (single_msix)
1294 val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001295 } else if (msi) {
1296 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1297 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1298 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1299 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001300 } else {
1301 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001302 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001303 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1304 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001305
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001306 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001307 DP(NETIF_MSG_IFUP,
1308 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001309
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001310 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001311
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001312 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1313 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001314 }
1315
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001316 if (CHIP_IS_E1(bp))
1317 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1318
Merav Sicron51c1a582012-03-18 10:33:38 +00001319 DP(NETIF_MSG_IFUP,
1320 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1321 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001322
1323 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001324 /*
1325 * Ensure that HC_CONFIG is written before leading/trailing edge config
1326 */
1327 mmiowb();
1328 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001329
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001330 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001331 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001332 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001333 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001334 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001335 /* enable nig and gpio3 attention */
1336 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001337 } else
1338 val = 0xffff;
1339
1340 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1341 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1342 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001343
1344 /* Make sure that interrupts are indeed enabled from here on */
1345 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001346}
1347
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001348static void bnx2x_igu_int_enable(struct bnx2x *bp)
1349{
1350 u32 val;
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001351 bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1352 bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1353 bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001354
1355 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1356
1357 if (msix) {
1358 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1359 IGU_PF_CONF_SINGLE_ISR_EN);
1360 val |= (IGU_PF_CONF_FUNC_EN |
1361 IGU_PF_CONF_MSI_MSIX_EN |
1362 IGU_PF_CONF_ATTN_BIT_EN);
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00001363
1364 if (single_msix)
1365 val |= IGU_PF_CONF_SINGLE_ISR_EN;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001366 } else if (msi) {
1367 val &= ~IGU_PF_CONF_INT_LINE_EN;
1368 val |= (IGU_PF_CONF_FUNC_EN |
1369 IGU_PF_CONF_MSI_MSIX_EN |
1370 IGU_PF_CONF_ATTN_BIT_EN |
1371 IGU_PF_CONF_SINGLE_ISR_EN);
1372 } else {
1373 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1374 val |= (IGU_PF_CONF_FUNC_EN |
1375 IGU_PF_CONF_INT_LINE_EN |
1376 IGU_PF_CONF_ATTN_BIT_EN |
1377 IGU_PF_CONF_SINGLE_ISR_EN);
1378 }
1379
Merav Sicron51c1a582012-03-18 10:33:38 +00001380 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001381 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1382
1383 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1384
Yuval Mintz79a85572012-04-03 18:41:25 +00001385 if (val & IGU_PF_CONF_INT_LINE_EN)
1386 pci_intx(bp->pdev, true);
1387
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001388 barrier();
1389
1390 /* init leading/trailing edge */
1391 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001392 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001393 if (bp->port.pmf)
1394 /* enable nig and gpio3 attention */
1395 val |= 0x1100;
1396 } else
1397 val = 0xffff;
1398
1399 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1400 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1401
1402 /* Make sure that interrupts are indeed enabled from here on */
1403 mmiowb();
1404}
1405
1406void bnx2x_int_enable(struct bnx2x *bp)
1407{
1408 if (bp->common.int_block == INT_BLOCK_HC)
1409 bnx2x_hc_int_enable(bp);
1410 else
1411 bnx2x_igu_int_enable(bp);
1412}
1413
1414static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001416 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001417 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1418 u32 val = REG_RD(bp, addr);
1419
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001420 /*
1421 * in E1 we must use only PCI configuration space to disable
1422 * MSI/MSIX capablility
1423 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1424 */
1425 if (CHIP_IS_E1(bp)) {
1426 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1427 * Use mask register to prevent from HC sending interrupts
1428 * after we exit the function
1429 */
1430 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1431
1432 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1433 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1434 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1435 } else
1436 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1437 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1438 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1439 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001440
Merav Sicron51c1a582012-03-18 10:33:38 +00001441 DP(NETIF_MSG_IFDOWN,
1442 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001443 val, port, addr);
1444
Eilon Greenstein8badd272009-02-12 08:36:15 +00001445 /* flush all outstanding writes */
1446 mmiowb();
1447
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001448 REG_WR(bp, addr, val);
1449 if (REG_RD(bp, addr) != val)
1450 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1451}
1452
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001453static void bnx2x_igu_int_disable(struct bnx2x *bp)
1454{
1455 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1456
1457 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1458 IGU_PF_CONF_INT_LINE_EN |
1459 IGU_PF_CONF_ATTN_BIT_EN);
1460
Merav Sicron51c1a582012-03-18 10:33:38 +00001461 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001462
1463 /* flush all outstanding writes */
1464 mmiowb();
1465
1466 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1467 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1468 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1469}
1470
Ariel Elior6383c0b2011-07-14 08:31:57 +00001471void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001472{
1473 if (bp->common.int_block == INT_BLOCK_HC)
1474 bnx2x_hc_int_disable(bp);
1475 else
1476 bnx2x_igu_int_disable(bp);
1477}
1478
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001479void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001480{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001481 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001482 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001483
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001484 if (disable_hw)
1485 /* prevent the HW from sending interrupts */
1486 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001487
1488 /* make sure all ISRs are done */
1489 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001490 synchronize_irq(bp->msix_table[0].vector);
1491 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001492#ifdef BCM_CNIC
1493 offset++;
1494#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001495 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001496 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001497 } else
1498 synchronize_irq(bp->pdev->irq);
1499
1500 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001501 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001502 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001503 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001504}
1505
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001506/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507
1508/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001509 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001510 */
1511
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001512/* Return true if succeeded to acquire the lock */
1513static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1514{
1515 u32 lock_status;
1516 u32 resource_bit = (1 << resource);
1517 int func = BP_FUNC(bp);
1518 u32 hw_lock_control_reg;
1519
Merav Sicron51c1a582012-03-18 10:33:38 +00001520 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1521 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001522
1523 /* Validating that the resource is within range */
1524 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001525 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001526 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1527 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001528 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001529 }
1530
1531 if (func <= 5)
1532 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1533 else
1534 hw_lock_control_reg =
1535 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1536
1537 /* Try to acquire the lock */
1538 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1539 lock_status = REG_RD(bp, hw_lock_control_reg);
1540 if (lock_status & resource_bit)
1541 return true;
1542
Merav Sicron51c1a582012-03-18 10:33:38 +00001543 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1544 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001545 return false;
1546}
1547
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001548/**
1549 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1550 *
1551 * @bp: driver handle
1552 *
1553 * Returns the recovery leader resource id according to the engine this function
1554 * belongs to. Currently only only 2 engines is supported.
1555 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001556static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001557{
1558 if (BP_PATH(bp))
1559 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1560 else
1561 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1562}
1563
1564/**
1565 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1566 *
1567 * @bp: driver handle
1568 *
Eric Dumazet1191cb82012-04-27 21:39:21 +00001569 * Tries to aquire a leader lock for current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001570 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00001571static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001572{
1573 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1574}
1575
Michael Chan993ac7b2009-10-10 13:46:56 +00001576#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001577static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001578#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001579
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001580void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001581{
1582 struct bnx2x *bp = fp->bp;
1583 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1584 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001585 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
1586 struct bnx2x_queue_sp_obj *q_obj = &fp->q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001587
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001588 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001589 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001590 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001591 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001592
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001593 switch (command) {
1594 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001595 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001596 drv_cmd = BNX2X_Q_CMD_UPDATE;
1597 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001598
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001599 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001600 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001601 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001602 break;
1603
Ariel Elior6383c0b2011-07-14 08:31:57 +00001604 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001605 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001606 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1607 break;
1608
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001609 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001610 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001611 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001612 break;
1613
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001614 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001615 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001616 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1617 break;
1618
1619 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001620 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001621 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001622 break;
1623
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001624 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001625 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1626 command, fp->index);
1627 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001628 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001629
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001630 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1631 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1632 /* q_obj->complete_cmd() failure means that this was
1633 * an unexpected completion.
1634 *
1635 * In this case we don't want to increase the bp->spq_left
1636 * because apparently we haven't sent this command the first
1637 * place.
1638 */
1639#ifdef BNX2X_STOP_ON_ERROR
1640 bnx2x_panic();
1641#else
1642 return;
1643#endif
1644
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001645 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001646 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001647 /* push the change in bp->spq_left and towards the memory */
1648 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001649
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001650 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1651
Barak Witkowskia3348722012-04-23 03:04:46 +00001652 if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1653 (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1654 /* if Q update ramrod is completed for last Q in AFEX vif set
1655 * flow, then ACK MCP at the end
1656 *
1657 * mark pending ACK to MCP bit.
1658 * prevent case that both bits are cleared.
1659 * At the end of load/unload driver checks that
1660 * sp_state is cleaerd, and this order prevents
1661 * races
1662 */
1663 smp_mb__before_clear_bit();
1664 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1665 wmb();
1666 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1667 smp_mb__after_clear_bit();
1668
1669 /* schedule workqueue to send ack to MCP */
1670 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1671 }
1672
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001673 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001674}
1675
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001676void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1677 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1678{
1679 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1680
1681 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1682 start);
1683}
1684
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001685irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001686{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001687 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001688 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001689 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001690 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001691 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001692
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001693 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001694 if (unlikely(status == 0)) {
1695 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1696 return IRQ_NONE;
1697 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001698 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001699
Eilon Greenstein3196a882008-08-13 15:58:49 -07001700#ifdef BNX2X_STOP_ON_ERROR
1701 if (unlikely(bp->panic))
1702 return IRQ_HANDLED;
1703#endif
1704
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001705 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001706 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001707
Ariel Elior6383c0b2011-07-14 08:31:57 +00001708 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001709 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001710 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001711 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001712 for_each_cos_in_tx_queue(fp, cos)
1713 prefetch(fp->txdata[cos].tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001714 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001715 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001716 status &= ~mask;
1717 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001718 }
1719
Michael Chan993ac7b2009-10-10 13:46:56 +00001720#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001721 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001722 if (status & (mask | 0x1)) {
1723 struct cnic_ops *c_ops = NULL;
1724
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001725 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1726 rcu_read_lock();
1727 c_ops = rcu_dereference(bp->cnic_ops);
1728 if (c_ops)
1729 c_ops->cnic_handler(bp->cnic_data, NULL);
1730 rcu_read_unlock();
1731 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001732
1733 status &= ~mask;
1734 }
1735#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001736
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001737 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001738 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001739
1740 status &= ~0x1;
1741 if (!status)
1742 return IRQ_HANDLED;
1743 }
1744
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001745 if (unlikely(status))
1746 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001747 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001748
1749 return IRQ_HANDLED;
1750}
1751
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001752/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001753
1754/*
1755 * General service functions
1756 */
1757
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001758int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001759{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001760 u32 lock_status;
1761 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001762 int func = BP_FUNC(bp);
1763 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001764 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001765
1766 /* Validating that the resource is within range */
1767 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001768 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001769 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1770 return -EINVAL;
1771 }
1772
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001773 if (func <= 5) {
1774 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1775 } else {
1776 hw_lock_control_reg =
1777 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1778 }
1779
Eliezer Tamirf1410642008-02-28 11:51:50 -08001780 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001781 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001782 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001783 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001784 lock_status, resource_bit);
1785 return -EEXIST;
1786 }
1787
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001788 /* Try for 5 second every 5ms */
1789 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001790 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001791 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1792 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001793 if (lock_status & resource_bit)
1794 return 0;
1795
1796 msleep(5);
1797 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001798 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001799 return -EAGAIN;
1800}
1801
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001802int bnx2x_release_leader_lock(struct bnx2x *bp)
1803{
1804 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1805}
1806
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001807int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001808{
1809 u32 lock_status;
1810 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001811 int func = BP_FUNC(bp);
1812 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001813
1814 /* Validating that the resource is within range */
1815 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001816 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001817 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1818 return -EINVAL;
1819 }
1820
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001821 if (func <= 5) {
1822 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1823 } else {
1824 hw_lock_control_reg =
1825 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1826 }
1827
Eliezer Tamirf1410642008-02-28 11:51:50 -08001828 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001829 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001830 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001831 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 -08001832 lock_status, resource_bit);
1833 return -EFAULT;
1834 }
1835
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001836 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001837 return 0;
1838}
1839
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001840
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001841int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1842{
1843 /* The GPIO should be swapped if swap register is set and active */
1844 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1845 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1846 int gpio_shift = gpio_num +
1847 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1848 u32 gpio_mask = (1 << gpio_shift);
1849 u32 gpio_reg;
1850 int value;
1851
1852 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1853 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1854 return -EINVAL;
1855 }
1856
1857 /* read GPIO value */
1858 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1859
1860 /* get the requested pin value */
1861 if ((gpio_reg & gpio_mask) == gpio_mask)
1862 value = 1;
1863 else
1864 value = 0;
1865
1866 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1867
1868 return value;
1869}
1870
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001871int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001872{
1873 /* The GPIO should be swapped if swap register is set and active */
1874 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001875 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001876 int gpio_shift = gpio_num +
1877 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1878 u32 gpio_mask = (1 << gpio_shift);
1879 u32 gpio_reg;
1880
1881 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1882 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1883 return -EINVAL;
1884 }
1885
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001886 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001887 /* read GPIO and mask except the float bits */
1888 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1889
1890 switch (mode) {
1891 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001892 DP(NETIF_MSG_LINK,
1893 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001894 gpio_num, gpio_shift);
1895 /* clear FLOAT and set CLR */
1896 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1897 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1898 break;
1899
1900 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001901 DP(NETIF_MSG_LINK,
1902 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001903 gpio_num, gpio_shift);
1904 /* clear FLOAT and set SET */
1905 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1906 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1907 break;
1908
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001909 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001910 DP(NETIF_MSG_LINK,
1911 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001912 gpio_num, gpio_shift);
1913 /* set FLOAT */
1914 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1915 break;
1916
1917 default:
1918 break;
1919 }
1920
1921 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001922 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001923
1924 return 0;
1925}
1926
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001927int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1928{
1929 u32 gpio_reg = 0;
1930 int rc = 0;
1931
1932 /* Any port swapping should be handled by caller. */
1933
1934 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1935 /* read GPIO and mask except the float bits */
1936 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1937 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1938 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1939 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1940
1941 switch (mode) {
1942 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1943 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1944 /* set CLR */
1945 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1946 break;
1947
1948 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1949 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1950 /* set SET */
1951 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
1952 break;
1953
1954 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1955 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
1956 /* set FLOAT */
1957 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1958 break;
1959
1960 default:
1961 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
1962 rc = -EINVAL;
1963 break;
1964 }
1965
1966 if (rc == 0)
1967 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1968
1969 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1970
1971 return rc;
1972}
1973
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001974int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1975{
1976 /* The GPIO should be swapped if swap register is set and active */
1977 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1978 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1979 int gpio_shift = gpio_num +
1980 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1981 u32 gpio_mask = (1 << gpio_shift);
1982 u32 gpio_reg;
1983
1984 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1985 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1986 return -EINVAL;
1987 }
1988
1989 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1990 /* read GPIO int */
1991 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1992
1993 switch (mode) {
1994 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00001995 DP(NETIF_MSG_LINK,
1996 "Clear GPIO INT %d (shift %d) -> output low\n",
1997 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001998 /* clear SET and set CLR */
1999 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2000 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2001 break;
2002
2003 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002004 DP(NETIF_MSG_LINK,
2005 "Set GPIO INT %d (shift %d) -> output high\n",
2006 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002007 /* clear CLR and set SET */
2008 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2009 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2010 break;
2011
2012 default:
2013 break;
2014 }
2015
2016 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2017 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2018
2019 return 0;
2020}
2021
Eliezer Tamirf1410642008-02-28 11:51:50 -08002022static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2023{
2024 u32 spio_mask = (1 << spio_num);
2025 u32 spio_reg;
2026
2027 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2028 (spio_num > MISC_REGISTERS_SPIO_7)) {
2029 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2030 return -EINVAL;
2031 }
2032
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002033 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002034 /* read SPIO and mask except the float bits */
2035 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2036
2037 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002038 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002039 DP(NETIF_MSG_HW, "Set SPIO %d -> output low\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002040 /* clear FLOAT and set CLR */
2041 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2042 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2043 break;
2044
Eilon Greenstein6378c022008-08-13 15:59:25 -07002045 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002046 DP(NETIF_MSG_HW, "Set SPIO %d -> output high\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002047 /* clear FLOAT and set SET */
2048 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2049 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2050 break;
2051
2052 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002053 DP(NETIF_MSG_HW, "Set SPIO %d -> input\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002054 /* set FLOAT */
2055 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2056 break;
2057
2058 default:
2059 break;
2060 }
2061
2062 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002063 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002064
2065 return 0;
2066}
2067
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002068void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002069{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002070 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002071 switch (bp->link_vars.ieee_fc &
2072 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002073 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002074 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002075 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002076 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002077
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002078 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002079 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002080 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002081 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002082
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002083 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002084 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002085 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002086
Eliezer Tamirf1410642008-02-28 11:51:50 -08002087 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002088 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002089 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002090 break;
2091 }
2092}
2093
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002094u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002095{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002096 if (!BP_NOMCP(bp)) {
2097 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002098 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2099 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002100 /*
2101 * Initialize link parameters structure variables
2102 * It is recommended to turn off RX FC for jumbo frames
2103 * for better performance
2104 */
2105 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002106 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002107 else
David S. Millerc0700f92008-12-16 23:53:20 -08002108 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002109
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002110 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002111
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002112 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002113 struct link_params *lp = &bp->link_params;
2114 lp->loopback_mode = LOOPBACK_XGXS;
2115 /* do PHY loopback at 10G speed, if possible */
2116 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2117 if (lp->speed_cap_mask[cfx_idx] &
2118 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2119 lp->req_line_speed[cfx_idx] =
2120 SPEED_10000;
2121 else
2122 lp->req_line_speed[cfx_idx] =
2123 SPEED_1000;
2124 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002125 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002126
Eilon Greenstein19680c42008-08-13 15:47:33 -07002127 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002128
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002129 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002130
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002131 bnx2x_calc_fc_adv(bp);
2132
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002133 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2134 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002135 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002136 } else
2137 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002138 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002139 return rc;
2140 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002141 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002142 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002143}
2144
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002145void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002146{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002147 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002148 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00002149 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002150 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002151 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002152
Eilon Greenstein19680c42008-08-13 15:47:33 -07002153 bnx2x_calc_fc_adv(bp);
2154 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002155 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002156}
2157
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002158static void bnx2x__link_reset(struct bnx2x *bp)
2159{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002160 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002161 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002162 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002163 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002164 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002165 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002166}
2167
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002168u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002169{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002170 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002171
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002172 if (!BP_NOMCP(bp)) {
2173 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002174 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2175 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002176 bnx2x_release_phy_lock(bp);
2177 } else
2178 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002179
2180 return rc;
2181}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002182
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002183
Eilon Greenstein2691d512009-08-12 08:22:08 +00002184/* Calculates the sum of vn_min_rates.
2185 It's needed for further normalizing of the min_rates.
2186 Returns:
2187 sum of vn_min_rates.
2188 or
2189 0 - if all the min_rates are 0.
2190 In the later case fainess algorithm should be deactivated.
2191 If not all min_rates are zero then those that are zeroes will be set to 1.
2192 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002193static void bnx2x_calc_vn_min(struct bnx2x *bp,
2194 struct cmng_init_input *input)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002195{
2196 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002197 int vn;
2198
David S. Miller8decf862011-09-22 03:23:13 -04002199 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002200 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002201 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2202 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2203
2204 /* Skip hidden vns */
2205 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Yuval Mintzb475d782012-04-03 18:41:29 +00002206 vn_min_rate = 0;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002207 /* If min rate is zero - set it to 1 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002208 else if (!vn_min_rate)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002209 vn_min_rate = DEF_MIN_RATE;
2210 else
2211 all_zero = 0;
2212
Yuval Mintzb475d782012-04-03 18:41:29 +00002213 input->vnic_min_rate[vn] = vn_min_rate;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002214 }
2215
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002216 /* if ETS or all min rates are zeros - disable fairness */
2217 if (BNX2X_IS_ETS_ENABLED(bp)) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002218 input->flags.cmng_enables &=
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002219 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2220 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2221 } else if (all_zero) {
Yuval Mintzb475d782012-04-03 18:41:29 +00002222 input->flags.cmng_enables &=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002223 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002224 DP(NETIF_MSG_IFUP,
2225 "All MIN values are zeroes fairness will be disabled\n");
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002226 } else
Yuval Mintzb475d782012-04-03 18:41:29 +00002227 input->flags.cmng_enables |=
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002228 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002229}
2230
Yuval Mintzb475d782012-04-03 18:41:29 +00002231static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2232 struct cmng_init_input *input)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002233{
Yuval Mintzb475d782012-04-03 18:41:29 +00002234 u16 vn_max_rate;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002235 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002236
Yuval Mintzb475d782012-04-03 18:41:29 +00002237 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002238 vn_max_rate = 0;
Yuval Mintzb475d782012-04-03 18:41:29 +00002239 else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002240 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2241
Yuval Mintzb475d782012-04-03 18:41:29 +00002242 if (IS_MF_SI(bp)) {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002243 /* maxCfg in percents of linkspeed */
2244 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
Yuval Mintzb475d782012-04-03 18:41:29 +00002245 } else /* SD modes */
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002246 /* maxCfg is absolute in 100Mb units */
2247 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002248 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002249
Yuval Mintzb475d782012-04-03 18:41:29 +00002250 DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002251
Yuval Mintzb475d782012-04-03 18:41:29 +00002252 input->vnic_max_rate[vn] = vn_max_rate;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002253}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002254
Yuval Mintzb475d782012-04-03 18:41:29 +00002255
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002256static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2257{
2258 if (CHIP_REV_IS_SLOW(bp))
2259 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002260 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002261 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002262
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002263 return CMNG_FNS_NONE;
2264}
2265
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002266void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002267{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002268 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002269
2270 if (BP_NOMCP(bp))
2271 return; /* what should be the default bvalue in this case */
2272
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002273 /* For 2 port configuration the absolute function number formula
2274 * is:
2275 * abs_func = 2 * vn + BP_PORT + BP_PATH
2276 *
2277 * and there are 4 functions per port
2278 *
2279 * For 4 port configuration it is
2280 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2281 *
2282 * and there are 2 functions per port
2283 */
David S. Miller8decf862011-09-22 03:23:13 -04002284 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002285 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2286
2287 if (func >= E1H_FUNC_MAX)
2288 break;
2289
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002290 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002291 MF_CFG_RD(bp, func_mf_config[func].config);
2292 }
Barak Witkowskia3348722012-04-23 03:04:46 +00002293 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2294 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2295 bp->flags |= MF_FUNC_DIS;
2296 } else {
2297 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2298 bp->flags &= ~MF_FUNC_DIS;
2299 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002300}
2301
2302static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2303{
Yuval Mintzb475d782012-04-03 18:41:29 +00002304 struct cmng_init_input input;
2305 memset(&input, 0, sizeof(struct cmng_init_input));
2306
2307 input.port_rate = bp->link_vars.line_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002308
2309 if (cmng_type == CMNG_FNS_MINMAX) {
2310 int vn;
2311
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002312 /* read mf conf from shmem */
2313 if (read_cfg)
2314 bnx2x_read_mf_cfg(bp);
2315
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002316 /* vn_weight_sum and enable fairness if not 0 */
Yuval Mintzb475d782012-04-03 18:41:29 +00002317 bnx2x_calc_vn_min(bp, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002318
2319 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002320 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002321 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Yuval Mintzb475d782012-04-03 18:41:29 +00002322 bnx2x_calc_vn_max(bp, vn, &input);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002323
2324 /* always enable rate shaping and fairness */
Yuval Mintzb475d782012-04-03 18:41:29 +00002325 input.flags.cmng_enables |=
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002326 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
Yuval Mintzb475d782012-04-03 18:41:29 +00002327
2328 bnx2x_init_cmng(&input, &bp->cmng);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002329 return;
2330 }
2331
2332 /* rate shaping and fairness are disabled */
2333 DP(NETIF_MSG_IFUP,
2334 "rate shaping and fairness are disabled\n");
2335}
2336
Eric Dumazet1191cb82012-04-27 21:39:21 +00002337static void storm_memset_cmng(struct bnx2x *bp,
2338 struct cmng_init *cmng,
2339 u8 port)
2340{
2341 int vn;
2342 size_t size = sizeof(struct cmng_struct_per_port);
2343
2344 u32 addr = BAR_XSTRORM_INTMEM +
2345 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2346
2347 __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2348
2349 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2350 int func = func_by_vn(bp, vn);
2351
2352 addr = BAR_XSTRORM_INTMEM +
2353 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2354 size = sizeof(struct rate_shaping_vars_per_vn);
2355 __storm_memset_struct(bp, addr, size,
2356 (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2357
2358 addr = BAR_XSTRORM_INTMEM +
2359 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2360 size = sizeof(struct fairness_vars_per_vn);
2361 __storm_memset_struct(bp, addr, size,
2362 (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2363 }
2364}
2365
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002366/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002367static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002368{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002369 /* Make sure that we are synced with the current statistics */
2370 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2371
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002372 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002373
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002374 if (bp->link_vars.link_up) {
2375
Eilon Greenstein1c063282009-02-12 08:36:43 +00002376 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002377 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002378 int port = BP_PORT(bp);
2379 u32 pause_enabled = 0;
2380
2381 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2382 pause_enabled = 1;
2383
2384 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002385 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002386 pause_enabled);
2387 }
2388
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002389 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002390 struct host_port_stats *pstats;
2391
2392 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002393 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002394 memset(&(pstats->mac_stx[0]), 0,
2395 sizeof(struct mac_stx));
2396 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002397 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002398 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2399 }
2400
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002401 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2402 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002403
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002404 if (cmng_fns != CMNG_FNS_NONE) {
2405 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2406 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2407 } else
2408 /* rate shaping and fairness are disabled */
2409 DP(NETIF_MSG_IFUP,
2410 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002411 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002412
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002413 __bnx2x_link_report(bp);
2414
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002415 if (IS_MF(bp))
2416 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002417}
2418
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002419void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002420{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002421 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002422 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002423
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002424 /* read updated dcb configuration */
2425 bnx2x_dcbx_pmf_update(bp);
2426
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002427 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2428
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002429 if (bp->link_vars.link_up)
2430 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2431 else
2432 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2433
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002434 /* indicate link status */
2435 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002436}
2437
Barak Witkowskia3348722012-04-23 03:04:46 +00002438static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2439 u16 vlan_val, u8 allowed_prio)
2440{
2441 struct bnx2x_func_state_params func_params = {0};
2442 struct bnx2x_func_afex_update_params *f_update_params =
2443 &func_params.params.afex_update;
2444
2445 func_params.f_obj = &bp->func_obj;
2446 func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2447
2448 /* no need to wait for RAMROD completion, so don't
2449 * set RAMROD_COMP_WAIT flag
2450 */
2451
2452 f_update_params->vif_id = vifid;
2453 f_update_params->afex_default_vlan = vlan_val;
2454 f_update_params->allowed_priorities = allowed_prio;
2455
2456 /* if ramrod can not be sent, response to MCP immediately */
2457 if (bnx2x_func_state_change(bp, &func_params) < 0)
2458 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2459
2460 return 0;
2461}
2462
2463static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2464 u16 vif_index, u8 func_bit_map)
2465{
2466 struct bnx2x_func_state_params func_params = {0};
2467 struct bnx2x_func_afex_viflists_params *update_params =
2468 &func_params.params.afex_viflists;
2469 int rc;
2470 u32 drv_msg_code;
2471
2472 /* validate only LIST_SET and LIST_GET are received from switch */
2473 if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2474 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2475 cmd_type);
2476
2477 func_params.f_obj = &bp->func_obj;
2478 func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2479
2480 /* set parameters according to cmd_type */
2481 update_params->afex_vif_list_command = cmd_type;
2482 update_params->vif_list_index = cpu_to_le16(vif_index);
2483 update_params->func_bit_map =
2484 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2485 update_params->func_to_clear = 0;
2486 drv_msg_code =
2487 (cmd_type == VIF_LIST_RULE_GET) ?
2488 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2489 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2490
2491 /* if ramrod can not be sent, respond to MCP immediately for
2492 * SET and GET requests (other are not triggered from MCP)
2493 */
2494 rc = bnx2x_func_state_change(bp, &func_params);
2495 if (rc < 0)
2496 bnx2x_fw_command(bp, drv_msg_code, 0);
2497
2498 return 0;
2499}
2500
2501static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2502{
2503 struct afex_stats afex_stats;
2504 u32 func = BP_ABS_FUNC(bp);
2505 u32 mf_config;
2506 u16 vlan_val;
2507 u32 vlan_prio;
2508 u16 vif_id;
2509 u8 allowed_prio;
2510 u8 vlan_mode;
2511 u32 addr_to_write, vifid, addrs, stats_type, i;
2512
2513 if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2514 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2515 DP(BNX2X_MSG_MCP,
2516 "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2517 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2518 }
2519
2520 if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2521 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2522 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2523 DP(BNX2X_MSG_MCP,
2524 "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2525 vifid, addrs);
2526 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2527 addrs);
2528 }
2529
2530 if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2531 addr_to_write = SHMEM2_RD(bp,
2532 afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2533 stats_type = SHMEM2_RD(bp,
2534 afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2535
2536 DP(BNX2X_MSG_MCP,
2537 "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2538 addr_to_write);
2539
2540 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2541
2542 /* write response to scratchpad, for MCP */
2543 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2544 REG_WR(bp, addr_to_write + i*sizeof(u32),
2545 *(((u32 *)(&afex_stats))+i));
2546
2547 /* send ack message to MCP */
2548 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2549 }
2550
2551 if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2552 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2553 bp->mf_config[BP_VN(bp)] = mf_config;
2554 DP(BNX2X_MSG_MCP,
2555 "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2556 mf_config);
2557
2558 /* if VIF_SET is "enabled" */
2559 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2560 /* set rate limit directly to internal RAM */
2561 struct cmng_init_input cmng_input;
2562 struct rate_shaping_vars_per_vn m_rs_vn;
2563 size_t size = sizeof(struct rate_shaping_vars_per_vn);
2564 u32 addr = BAR_XSTRORM_INTMEM +
2565 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2566
2567 bp->mf_config[BP_VN(bp)] = mf_config;
2568
2569 bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2570 m_rs_vn.vn_counter.rate =
2571 cmng_input.vnic_max_rate[BP_VN(bp)];
2572 m_rs_vn.vn_counter.quota =
2573 (m_rs_vn.vn_counter.rate *
2574 RS_PERIODIC_TIMEOUT_USEC) / 8;
2575
2576 __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2577
2578 /* read relevant values from mf_cfg struct in shmem */
2579 vif_id =
2580 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2581 FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2582 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2583 vlan_val =
2584 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2585 FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2586 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2587 vlan_prio = (mf_config &
2588 FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2589 FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2590 vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2591 vlan_mode =
2592 (MF_CFG_RD(bp,
2593 func_mf_config[func].afex_config) &
2594 FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2595 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2596 allowed_prio =
2597 (MF_CFG_RD(bp,
2598 func_mf_config[func].afex_config) &
2599 FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2600 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2601
2602 /* send ramrod to FW, return in case of failure */
2603 if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2604 allowed_prio))
2605 return;
2606
2607 bp->afex_def_vlan_tag = vlan_val;
2608 bp->afex_vlan_mode = vlan_mode;
2609 } else {
2610 /* notify link down because BP->flags is disabled */
2611 bnx2x_link_report(bp);
2612
2613 /* send INVALID VIF ramrod to FW */
2614 bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2615
2616 /* Reset the default afex VLAN */
2617 bp->afex_def_vlan_tag = -1;
2618 }
2619 }
2620}
2621
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002622static void bnx2x_pmf_update(struct bnx2x *bp)
2623{
2624 int port = BP_PORT(bp);
2625 u32 val;
2626
2627 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002628 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002629
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002630 /*
2631 * We need the mb() to ensure the ordering between the writing to
2632 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2633 */
2634 smp_mb();
2635
2636 /* queue a periodic task */
2637 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2638
Dmitry Kravkovef018542011-06-14 01:33:57 +00002639 bnx2x_dcbx_pmf_update(bp);
2640
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002641 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002642 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002643 if (bp->common.int_block == INT_BLOCK_HC) {
2644 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2645 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002646 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002647 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2648 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2649 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002650
2651 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002652}
2653
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002654/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002655
2656/* slow path */
2657
2658/*
2659 * General service functions
2660 */
2661
Eilon Greenstein2691d512009-08-12 08:22:08 +00002662/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002663u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002664{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002665 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002666 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002667 u32 rc = 0;
2668 u32 cnt = 1;
2669 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2670
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002671 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002672 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002673 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2674 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2675
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002676 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2677 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002678
2679 do {
2680 /* let the FW do it's magic ... */
2681 msleep(delay);
2682
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002683 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002684
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002685 /* Give the FW up to 5 second (500*10ms) */
2686 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687
2688 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2689 cnt*delay, rc, seq);
2690
2691 /* is this a reply to our command? */
2692 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2693 rc &= FW_MSG_CODE_MASK;
2694 else {
2695 /* FW BUG! */
2696 BNX2X_ERR("FW failed to respond!\n");
2697 bnx2x_fw_dump(bp);
2698 rc = 0;
2699 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002700 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002701
2702 return rc;
2703}
2704
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002705
Eric Dumazet1191cb82012-04-27 21:39:21 +00002706static void storm_memset_func_cfg(struct bnx2x *bp,
2707 struct tstorm_eth_function_common_config *tcfg,
2708 u16 abs_fid)
2709{
2710 size_t size = sizeof(struct tstorm_eth_function_common_config);
2711
2712 u32 addr = BAR_TSTRORM_INTMEM +
2713 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
2714
2715 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
2716}
2717
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002718void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002719{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002720 if (CHIP_IS_E1x(bp)) {
2721 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002722
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002723 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2724 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002725
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002726 /* Enable the function in the FW */
2727 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2728 storm_memset_func_en(bp, p->func_id, 1);
2729
2730 /* spq */
2731 if (p->func_flgs & FUNC_FLG_SPQ) {
2732 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2733 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2734 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2735 }
2736}
2737
Ariel Elior6383c0b2011-07-14 08:31:57 +00002738/**
2739 * bnx2x_get_tx_only_flags - Return common flags
2740 *
2741 * @bp device handle
2742 * @fp queue handle
2743 * @zero_stats TRUE if statistics zeroing is needed
2744 *
2745 * Return the flags that are common for the Tx-only and not normal connections.
2746 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00002747static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2748 struct bnx2x_fastpath *fp,
2749 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002750{
2751 unsigned long flags = 0;
2752
2753 /* PF driver will always initialize the Queue to an ACTIVE state */
2754 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2755
Ariel Elior6383c0b2011-07-14 08:31:57 +00002756 /* tx only connections collect statistics (on the same index as the
2757 * parent connection). The statistics are zeroed when the parent
2758 * connection is initialized.
2759 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002760
2761 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2762 if (zero_stats)
2763 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2764
Ariel Elior6383c0b2011-07-14 08:31:57 +00002765
2766 return flags;
2767}
2768
Eric Dumazet1191cb82012-04-27 21:39:21 +00002769static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2770 struct bnx2x_fastpath *fp,
2771 bool leading)
Ariel Elior6383c0b2011-07-14 08:31:57 +00002772{
2773 unsigned long flags = 0;
2774
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002775 /* calculate other queue flags */
2776 if (IS_MF_SD(bp))
2777 __set_bit(BNX2X_Q_FLG_OV, &flags);
2778
Barak Witkowskia3348722012-04-23 03:04:46 +00002779 if (IS_FCOE_FP(fp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002780 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Barak Witkowskia3348722012-04-23 03:04:46 +00002781 /* For FCoE - force usage of default priority (for afex) */
2782 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
2783 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002784
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002785 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002786 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002787 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002788 if (fp->mode == TPA_MODE_GRO)
2789 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002790 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002791
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002792 if (leading) {
2793 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2794 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2795 }
2796
2797 /* Always set HW VLAN stripping */
2798 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002799
Barak Witkowskia3348722012-04-23 03:04:46 +00002800 /* configure silent vlan removal */
2801 if (IS_MF_AFEX(bp))
2802 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
2803
Ariel Elior6383c0b2011-07-14 08:31:57 +00002804
2805 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002806}
2807
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002808static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002809 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2810 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002811{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002812 gen_init->stat_id = bnx2x_stats_id(fp);
2813 gen_init->spcl_id = fp->cl_id;
2814
2815 /* Always use mini-jumbo MTU for FCoE L2 ring */
2816 if (IS_FCOE_FP(fp))
2817 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2818 else
2819 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002820
2821 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002822}
2823
2824static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2825 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2826 struct bnx2x_rxq_setup_params *rxq_init)
2827{
2828 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002829 u16 sge_sz = 0;
2830 u16 tpa_agg_size = 0;
2831
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002832 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002833 pause->sge_th_lo = SGE_TH_LO(bp);
2834 pause->sge_th_hi = SGE_TH_HI(bp);
2835
2836 /* validate SGE ring has enough to cross high threshold */
2837 WARN_ON(bp->dropless_fc &&
2838 pause->sge_th_hi + FW_PREFETCH_CNT >
2839 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2840
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002841 tpa_agg_size = min_t(u32,
2842 (min_t(u32, 8, MAX_SKB_FRAGS) *
2843 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2844 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2845 SGE_PAGE_SHIFT;
2846 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2847 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2848 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2849 0xffff);
2850 }
2851
2852 /* pause - not for e1 */
2853 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002854 pause->bd_th_lo = BD_TH_LO(bp);
2855 pause->bd_th_hi = BD_TH_HI(bp);
2856
2857 pause->rcq_th_lo = RCQ_TH_LO(bp);
2858 pause->rcq_th_hi = RCQ_TH_HI(bp);
2859 /*
2860 * validate that rings have enough entries to cross
2861 * high thresholds
2862 */
2863 WARN_ON(bp->dropless_fc &&
2864 pause->bd_th_hi + FW_PREFETCH_CNT >
2865 bp->rx_ring_size);
2866 WARN_ON(bp->dropless_fc &&
2867 pause->rcq_th_hi + FW_PREFETCH_CNT >
2868 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002869
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002870 pause->pri_map = 1;
2871 }
2872
2873 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002874 rxq_init->dscr_map = fp->rx_desc_mapping;
2875 rxq_init->sge_map = fp->rx_sge_mapping;
2876 rxq_init->rcq_map = fp->rx_comp_mapping;
2877 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002878
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002879 /* This should be a maximum number of data bytes that may be
2880 * placed on the BD (not including paddings).
2881 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002882 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2883 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002884
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002885 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002886 rxq_init->tpa_agg_sz = tpa_agg_size;
2887 rxq_init->sge_buf_sz = sge_sz;
2888 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002889 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002890 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002891
2892 /* Maximum number or simultaneous TPA aggregation for this Queue.
2893 *
2894 * For PF Clients it should be the maximum avaliable number.
2895 * VF driver(s) may want to define it to a smaller value.
2896 */
David S. Miller8decf862011-09-22 03:23:13 -04002897 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002898
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002899 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2900 rxq_init->fw_sb_id = fp->fw_sb_id;
2901
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002902 if (IS_FCOE_FP(fp))
2903 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2904 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002905 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Barak Witkowskia3348722012-04-23 03:04:46 +00002906 /* configure silent vlan removal
2907 * if multi function mode is afex, then mask default vlan
2908 */
2909 if (IS_MF_AFEX(bp)) {
2910 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
2911 rxq_init->silent_removal_mask = VLAN_VID_MASK;
2912 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002913}
2914
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002915static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002916 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2917 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002918{
Ariel Elior6383c0b2011-07-14 08:31:57 +00002919 txq_init->dscr_map = fp->txdata[cos].tx_desc_mapping;
2920 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002921 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2922 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002923
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002924 /*
2925 * set the tss leading client id for TX classfication ==
2926 * leading RSS client id
2927 */
2928 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2929
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002930 if (IS_FCOE_FP(fp)) {
2931 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2932 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2933 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002934}
2935
stephen hemminger8d962862010-10-21 07:50:56 +00002936static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002937{
2938 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002939 struct event_ring_data eq_data = { {0} };
2940 u16 flags;
2941
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002942 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002943 /* reset IGU PF statistics: MSIX + ATTN */
2944 /* PF */
2945 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2946 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2947 (CHIP_MODE_IS_4_PORT(bp) ?
2948 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2949 /* ATTN */
2950 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2951 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2952 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2953 (CHIP_MODE_IS_4_PORT(bp) ?
2954 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2955 }
2956
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002957 /* function setup flags */
2958 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2959
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002960 /* This flag is relevant for E1x only.
2961 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002962 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002963 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002964
2965 func_init.func_flgs = flags;
2966 func_init.pf_id = BP_FUNC(bp);
2967 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002968 func_init.spq_map = bp->spq_mapping;
2969 func_init.spq_prod = bp->spq_prod_idx;
2970
2971 bnx2x_func_init(bp, &func_init);
2972
2973 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2974
2975 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002976 * Congestion management values depend on the link rate
2977 * There is no active link so initial link rate is set to 10 Gbps.
2978 * When the link comes up The congestion management values are
2979 * re-calculated according to the actual link rate.
2980 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002981 bp->link_vars.line_speed = SPEED_10000;
2982 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2983
2984 /* Only the PMF sets the HW */
2985 if (bp->port.pmf)
2986 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2987
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002988 /* init Event Queue */
2989 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2990 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2991 eq_data.producer = bp->eq_prod;
2992 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2993 eq_data.sb_id = DEF_SB_ID;
2994 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2995}
2996
2997
Eilon Greenstein2691d512009-08-12 08:22:08 +00002998static void bnx2x_e1h_disable(struct bnx2x *bp)
2999{
3000 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003001
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003002 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003003
3004 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003005}
3006
3007static void bnx2x_e1h_enable(struct bnx2x *bp)
3008{
3009 int port = BP_PORT(bp);
3010
3011 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
3012
Eilon Greenstein2691d512009-08-12 08:22:08 +00003013 /* Tx queue should be only reenabled */
3014 netif_tx_wake_all_queues(bp->dev);
3015
Eilon Greenstein061bc702009-10-15 00:18:47 -07003016 /*
3017 * Should not call netif_carrier_on since it will be called if the link
3018 * is up when checking for link state
3019 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00003020}
3021
Barak Witkowski1d187b32011-12-05 22:41:50 +00003022#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3023
3024static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3025{
3026 struct eth_stats_info *ether_stat =
3027 &bp->slowpath->drv_info_to_mcp.ether_stat;
3028
3029 /* leave last char as NULL */
3030 memcpy(ether_stat->version, DRV_MODULE_VERSION,
3031 ETH_STAT_INFO_VERSION_LEN - 1);
3032
3033 bp->fp[0].mac_obj.get_n_elements(bp, &bp->fp[0].mac_obj,
3034 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3035 ether_stat->mac_local);
3036
3037 ether_stat->mtu_size = bp->dev->mtu;
3038
3039 if (bp->dev->features & NETIF_F_RXCSUM)
3040 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3041 if (bp->dev->features & NETIF_F_TSO)
3042 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3043 ether_stat->feature_flags |= bp->common.boot_mode;
3044
3045 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3046
3047 ether_stat->txq_size = bp->tx_ring_size;
3048 ether_stat->rxq_size = bp->rx_ring_size;
3049}
3050
3051static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3052{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003053#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003054 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3055 struct fcoe_stats_info *fcoe_stat =
3056 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3057
3058 memcpy(fcoe_stat->mac_local, bp->fip_mac, ETH_ALEN);
3059
3060 fcoe_stat->qos_priority =
3061 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3062
3063 /* insert FCoE stats from ramrod response */
3064 if (!NO_FCOE(bp)) {
3065 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
3066 &bp->fw_stats_data->queue_stats[FCOE_IDX].
3067 tstorm_queue_statistics;
3068
3069 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
3070 &bp->fw_stats_data->queue_stats[FCOE_IDX].
3071 xstorm_queue_statistics;
3072
3073 struct fcoe_statistics_params *fw_fcoe_stat =
3074 &bp->fw_stats_data->fcoe;
3075
3076 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
3077 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3078
3079 ADD_64(fcoe_stat->rx_bytes_hi,
3080 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3081 fcoe_stat->rx_bytes_lo,
3082 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3083
3084 ADD_64(fcoe_stat->rx_bytes_hi,
3085 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3086 fcoe_stat->rx_bytes_lo,
3087 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3088
3089 ADD_64(fcoe_stat->rx_bytes_hi,
3090 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3091 fcoe_stat->rx_bytes_lo,
3092 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3093
3094 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3095 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3096
3097 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3098 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3099
3100 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3101 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3102
3103 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003104 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003105
3106 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3107 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3108
3109 ADD_64(fcoe_stat->tx_bytes_hi,
3110 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3111 fcoe_stat->tx_bytes_lo,
3112 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3113
3114 ADD_64(fcoe_stat->tx_bytes_hi,
3115 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3116 fcoe_stat->tx_bytes_lo,
3117 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3118
3119 ADD_64(fcoe_stat->tx_bytes_hi,
3120 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3121 fcoe_stat->tx_bytes_lo,
3122 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3123
3124 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3125 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3126
3127 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3128 fcoe_q_xstorm_stats->ucast_pkts_sent);
3129
3130 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3131 fcoe_q_xstorm_stats->bcast_pkts_sent);
3132
3133 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3134 fcoe_q_xstorm_stats->mcast_pkts_sent);
3135 }
3136
Barak Witkowski1d187b32011-12-05 22:41:50 +00003137 /* ask L5 driver to add data to the struct */
3138 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3139#endif
3140}
3141
3142static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3143{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003144#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003145 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3146 struct iscsi_stats_info *iscsi_stat =
3147 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3148
3149 memcpy(iscsi_stat->mac_local, bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
3150
3151 iscsi_stat->qos_priority =
3152 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3153
Barak Witkowski1d187b32011-12-05 22:41:50 +00003154 /* ask L5 driver to add data to the struct */
3155 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3156#endif
3157}
3158
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003159/* called due to MCP event (on pmf):
3160 * reread new bandwidth configuration
3161 * configure FW
3162 * notify others function about the change
3163 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003164static void bnx2x_config_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003165{
3166 if (bp->link_vars.link_up) {
3167 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3168 bnx2x_link_sync_notify(bp);
3169 }
3170 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3171}
3172
Eric Dumazet1191cb82012-04-27 21:39:21 +00003173static void bnx2x_set_mf_bw(struct bnx2x *bp)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003174{
3175 bnx2x_config_mf_bw(bp);
3176 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3177}
3178
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003179static void bnx2x_handle_eee_event(struct bnx2x *bp)
3180{
3181 DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3182 bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3183}
3184
Barak Witkowski1d187b32011-12-05 22:41:50 +00003185static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3186{
3187 enum drv_info_opcode op_code;
3188 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3189
3190 /* if drv_info version supported by MFW doesn't match - send NACK */
3191 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3192 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3193 return;
3194 }
3195
3196 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3197 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3198
3199 memset(&bp->slowpath->drv_info_to_mcp, 0,
3200 sizeof(union drv_info_to_mcp));
3201
3202 switch (op_code) {
3203 case ETH_STATS_OPCODE:
3204 bnx2x_drv_info_ether_stat(bp);
3205 break;
3206 case FCOE_STATS_OPCODE:
3207 bnx2x_drv_info_fcoe_stat(bp);
3208 break;
3209 case ISCSI_STATS_OPCODE:
3210 bnx2x_drv_info_iscsi_stat(bp);
3211 break;
3212 default:
3213 /* if op code isn't supported - send NACK */
3214 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3215 return;
3216 }
3217
3218 /* if we got drv_info attn from MFW then these fields are defined in
3219 * shmem2 for sure
3220 */
3221 SHMEM2_WR(bp, drv_info_host_addr_lo,
3222 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3223 SHMEM2_WR(bp, drv_info_host_addr_hi,
3224 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3225
3226 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3227}
3228
Eilon Greenstein2691d512009-08-12 08:22:08 +00003229static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3230{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003231 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003232
3233 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3234
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003235 /*
3236 * This is the only place besides the function initialization
3237 * where the bp->flags can change so it is done without any
3238 * locks
3239 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003240 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003241 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003242 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003243
3244 bnx2x_e1h_disable(bp);
3245 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003246 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003247 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003248
3249 bnx2x_e1h_enable(bp);
3250 }
3251 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3252 }
3253 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003254 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003255 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3256 }
3257
3258 /* Report results to MCP */
3259 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003260 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003261 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003262 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003263}
3264
Michael Chan28912902009-10-10 13:46:53 +00003265/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003266static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003267{
3268 struct eth_spe *next_spe = bp->spq_prod_bd;
3269
3270 if (bp->spq_prod_bd == bp->spq_last_bd) {
3271 bp->spq_prod_bd = bp->spq;
3272 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003273 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan28912902009-10-10 13:46:53 +00003274 } else {
3275 bp->spq_prod_bd++;
3276 bp->spq_prod_idx++;
3277 }
3278 return next_spe;
3279}
3280
3281/* must be called under the spq lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003282static void bnx2x_sp_prod_update(struct bnx2x *bp)
Michael Chan28912902009-10-10 13:46:53 +00003283{
3284 int func = BP_FUNC(bp);
3285
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003286 /*
3287 * Make sure that BD data is updated before writing the producer:
3288 * BD data is written to the memory, the producer is read from the
3289 * memory, thus we need a full memory barrier to ensure the ordering.
3290 */
3291 mb();
Michael Chan28912902009-10-10 13:46:53 +00003292
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003293 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003294 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003295 mmiowb();
3296}
3297
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003298/**
3299 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3300 *
3301 * @cmd: command to check
3302 * @cmd_type: command type
3303 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003304static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003305{
3306 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003307 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003308 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3309 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3310 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3311 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3312 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3313 return true;
3314 else
3315 return false;
3316
3317}
3318
3319
3320/**
3321 * bnx2x_sp_post - place a single command on an SP ring
3322 *
3323 * @bp: driver handle
3324 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3325 * @cid: SW CID the command is related to
3326 * @data_hi: command private data address (high 32 bits)
3327 * @data_lo: command private data address (low 32 bits)
3328 * @cmd_type: command type (e.g. NONE, ETH)
3329 *
3330 * SP data is handled as if it's always an address pair, thus data fields are
3331 * not swapped to little endian in upper functions. Instead this function swaps
3332 * data as if it's two u32 fields.
3333 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003334int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003335 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003336{
Michael Chan28912902009-10-10 13:46:53 +00003337 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003338 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003339 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003340
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003341#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003342 if (unlikely(bp->panic)) {
3343 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003344 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003345 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003346#endif
3347
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003348 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003349
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003350 if (common) {
3351 if (!atomic_read(&bp->eq_spq_left)) {
3352 BNX2X_ERR("BUG! EQ ring full!\n");
3353 spin_unlock_bh(&bp->spq_lock);
3354 bnx2x_panic();
3355 return -EBUSY;
3356 }
3357 } else if (!atomic_read(&bp->cq_spq_left)) {
3358 BNX2X_ERR("BUG! SPQ ring full!\n");
3359 spin_unlock_bh(&bp->spq_lock);
3360 bnx2x_panic();
3361 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003362 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003363
Michael Chan28912902009-10-10 13:46:53 +00003364 spe = bnx2x_sp_get_next(bp);
3365
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003366 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003367 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003368 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3369 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003370
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003371 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003372
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003373 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3374 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003376 spe->hdr.type = cpu_to_le16(type);
3377
3378 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3379 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3380
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003381 /*
3382 * It's ok if the actual decrement is issued towards the memory
3383 * somewhere between the spin_lock and spin_unlock. Thus no
3384 * more explict memory barrier is needed.
3385 */
3386 if (common)
3387 atomic_dec(&bp->eq_spq_left);
3388 else
3389 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003390
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003391
Merav Sicron51c1a582012-03-18 10:33:38 +00003392 DP(BNX2X_MSG_SP,
3393 "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 +00003394 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3395 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003396 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003397 HW_CID(bp, cid), data_hi, data_lo, type,
3398 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003399
Michael Chan28912902009-10-10 13:46:53 +00003400 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003401 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003402 return 0;
3403}
3404
3405/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003406static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003407{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003408 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003409 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003410
3411 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003412 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003413 val = (1UL << 31);
3414 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3415 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3416 if (val & (1L << 31))
3417 break;
3418
3419 msleep(5);
3420 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003421 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003422 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003423 rc = -EBUSY;
3424 }
3425
3426 return rc;
3427}
3428
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003429/* release split MCP access lock register */
3430static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003431{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003432 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003433}
3434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003435#define BNX2X_DEF_SB_ATT_IDX 0x0001
3436#define BNX2X_DEF_SB_IDX 0x0002
3437
Eric Dumazet1191cb82012-04-27 21:39:21 +00003438static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003439{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003440 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003441 u16 rc = 0;
3442
3443 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003444 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3445 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003446 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003447 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003448
3449 if (bp->def_idx != def_sb->sp_sb.running_index) {
3450 bp->def_idx = def_sb->sp_sb.running_index;
3451 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003452 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003453
3454 /* Do not reorder: indecies reading should complete before handling */
3455 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003456 return rc;
3457}
3458
3459/*
3460 * slow path service functions
3461 */
3462
3463static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3464{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003465 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003466 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3467 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003468 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3469 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003470 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003471 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003472 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003473
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003474 if (bp->attn_state & asserted)
3475 BNX2X_ERR("IGU ERROR\n");
3476
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003477 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3478 aeu_mask = REG_RD(bp, aeu_addr);
3479
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003480 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003481 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003482 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003483 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003484
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003485 REG_WR(bp, aeu_addr, aeu_mask);
3486 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003487
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003488 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003489 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003490 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003491
3492 if (asserted & ATTN_HARD_WIRED_MASK) {
3493 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003494
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003495 bnx2x_acquire_phy_lock(bp);
3496
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003497 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003498 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003499
Yaniv Rosner361c3912011-06-14 01:33:19 +00003500 /* If nig_mask is not set, no need to call the update
3501 * function.
3502 */
3503 if (nig_mask) {
3504 REG_WR(bp, nig_int_mask_addr, 0);
3505
3506 bnx2x_link_attn(bp);
3507 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003508
3509 /* handle unicore attn? */
3510 }
3511 if (asserted & ATTN_SW_TIMER_4_FUNC)
3512 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3513
3514 if (asserted & GPIO_2_FUNC)
3515 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3516
3517 if (asserted & GPIO_3_FUNC)
3518 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3519
3520 if (asserted & GPIO_4_FUNC)
3521 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3522
3523 if (port == 0) {
3524 if (asserted & ATTN_GENERAL_ATTN_1) {
3525 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3526 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3527 }
3528 if (asserted & ATTN_GENERAL_ATTN_2) {
3529 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3530 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3531 }
3532 if (asserted & ATTN_GENERAL_ATTN_3) {
3533 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3534 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3535 }
3536 } else {
3537 if (asserted & ATTN_GENERAL_ATTN_4) {
3538 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3539 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3540 }
3541 if (asserted & ATTN_GENERAL_ATTN_5) {
3542 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3543 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3544 }
3545 if (asserted & ATTN_GENERAL_ATTN_6) {
3546 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3547 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3548 }
3549 }
3550
3551 } /* if hardwired */
3552
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003553 if (bp->common.int_block == INT_BLOCK_HC)
3554 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3555 COMMAND_REG_ATTN_BITS_SET);
3556 else
3557 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3558
3559 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3560 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3561 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003562
3563 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003564 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003565 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003566 bnx2x_release_phy_lock(bp);
3567 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003568}
3569
Eric Dumazet1191cb82012-04-27 21:39:21 +00003570static void bnx2x_fan_failure(struct bnx2x *bp)
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003571{
3572 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003573 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003574 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003575 ext_phy_config =
3576 SHMEM_RD(bp,
3577 dev_info.port_hw_config[port].external_phy_config);
3578
3579 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3580 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003581 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003582 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003583
3584 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003585 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3586 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003587
3588 /*
3589 * Scheudle device reset (unload)
3590 * This is due to some boards consuming sufficient power when driver is
3591 * up to overheat if fan fails.
3592 */
3593 smp_mb__before_clear_bit();
3594 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3595 smp_mb__after_clear_bit();
3596 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3597
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003598}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003599
Eric Dumazet1191cb82012-04-27 21:39:21 +00003600static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003601{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003602 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003603 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003604 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003605
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003606 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3607 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003608
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003609 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003610
3611 val = REG_RD(bp, reg_offset);
3612 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3613 REG_WR(bp, reg_offset, val);
3614
3615 BNX2X_ERR("SPIO5 hw attention\n");
3616
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003617 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003618 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003619 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003620 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003621
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003622 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003623 bnx2x_acquire_phy_lock(bp);
3624 bnx2x_handle_module_detect_int(&bp->link_params);
3625 bnx2x_release_phy_lock(bp);
3626 }
3627
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003628 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3629
3630 val = REG_RD(bp, reg_offset);
3631 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3632 REG_WR(bp, reg_offset, val);
3633
3634 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003635 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003636 bnx2x_panic();
3637 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003638}
3639
Eric Dumazet1191cb82012-04-27 21:39:21 +00003640static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003641{
3642 u32 val;
3643
Eilon Greenstein0626b892009-02-12 08:38:14 +00003644 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003645
3646 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3647 BNX2X_ERR("DB hw attention 0x%x\n", val);
3648 /* DORQ discard attention */
3649 if (val & 0x2)
3650 BNX2X_ERR("FATAL error from DORQ\n");
3651 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003652
3653 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3654
3655 int port = BP_PORT(bp);
3656 int reg_offset;
3657
3658 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3659 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3660
3661 val = REG_RD(bp, reg_offset);
3662 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3663 REG_WR(bp, reg_offset, val);
3664
3665 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003666 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003667 bnx2x_panic();
3668 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003669}
3670
Eric Dumazet1191cb82012-04-27 21:39:21 +00003671static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003672{
3673 u32 val;
3674
3675 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3676
3677 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3678 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3679 /* CFC error attention */
3680 if (val & 0x2)
3681 BNX2X_ERR("FATAL error from CFC\n");
3682 }
3683
3684 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003685 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003686 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003687 /* RQ_USDMDP_FIFO_OVERFLOW */
3688 if (val & 0x18000)
3689 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003690
3691 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003692 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3693 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3694 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003695 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003696
3697 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3698
3699 int port = BP_PORT(bp);
3700 int reg_offset;
3701
3702 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3703 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3704
3705 val = REG_RD(bp, reg_offset);
3706 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3707 REG_WR(bp, reg_offset, val);
3708
3709 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003710 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003711 bnx2x_panic();
3712 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003713}
3714
Eric Dumazet1191cb82012-04-27 21:39:21 +00003715static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003716{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003717 u32 val;
3718
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003719 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3720
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003721 if (attn & BNX2X_PMF_LINK_ASSERT) {
3722 int func = BP_FUNC(bp);
3723
3724 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Barak Witkowskia3348722012-04-23 03:04:46 +00003725 bnx2x_read_mf_cfg(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003726 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3727 func_mf_config[BP_ABS_FUNC(bp)].config);
3728 val = SHMEM_RD(bp,
3729 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003730 if (val & DRV_STATUS_DCC_EVENT_MASK)
3731 bnx2x_dcc_event(bp,
3732 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003733
3734 if (val & DRV_STATUS_SET_MF_BW)
3735 bnx2x_set_mf_bw(bp);
3736
Barak Witkowski1d187b32011-12-05 22:41:50 +00003737 if (val & DRV_STATUS_DRV_INFO_REQ)
3738 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003739 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003740 bnx2x_pmf_update(bp);
3741
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003742 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003743 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3744 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003745 /* start dcbx state machine */
3746 bnx2x_dcbx_set_params(bp,
3747 BNX2X_DCBX_STATE_NEG_RECEIVED);
Barak Witkowskia3348722012-04-23 03:04:46 +00003748 if (val & DRV_STATUS_AFEX_EVENT_MASK)
3749 bnx2x_handle_afex_cmd(bp,
3750 val & DRV_STATUS_AFEX_EVENT_MASK);
Yuval Mintzc8c60d82012-06-06 17:13:07 +00003751 if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
3752 bnx2x_handle_eee_event(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003753 if (bp->link_vars.periodic_flags &
3754 PERIODIC_FLAGS_LINK_EVENT) {
3755 /* sync with link */
3756 bnx2x_acquire_phy_lock(bp);
3757 bp->link_vars.periodic_flags &=
3758 ~PERIODIC_FLAGS_LINK_EVENT;
3759 bnx2x_release_phy_lock(bp);
3760 if (IS_MF(bp))
3761 bnx2x_link_sync_notify(bp);
3762 bnx2x_link_report(bp);
3763 }
3764 /* Always call it here: bnx2x_link_report() will
3765 * prevent the link indication duplication.
3766 */
3767 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003768 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003769
3770 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003771 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003772 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3773 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3774 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3775 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3776 bnx2x_panic();
3777
3778 } else if (attn & BNX2X_MCP_ASSERT) {
3779
3780 BNX2X_ERR("MCP assert!\n");
3781 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003782 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003783
3784 } else
3785 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3786 }
3787
3788 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003789 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3790 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003791 val = CHIP_IS_E1(bp) ? 0 :
3792 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003793 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3794 }
3795 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003796 val = CHIP_IS_E1(bp) ? 0 :
3797 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003798 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3799 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003800 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003801 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003802}
3803
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003804/*
3805 * Bits map:
3806 * 0-7 - Engine0 load counter.
3807 * 8-15 - Engine1 load counter.
3808 * 16 - Engine0 RESET_IN_PROGRESS bit.
3809 * 17 - Engine1 RESET_IN_PROGRESS bit.
3810 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3811 * on the engine
3812 * 19 - Engine1 ONE_IS_LOADED.
3813 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3814 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3815 * just the one belonging to its engine).
3816 *
3817 */
3818#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3819
3820#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3821#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3822#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3823#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3824#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3825#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3826#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003827
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003828/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003829 * Set the GLOBAL_RESET bit.
3830 *
3831 * Should be run under rtnl lock
3832 */
3833void bnx2x_set_reset_global(struct bnx2x *bp)
3834{
Ariel Eliorf16da432012-01-26 06:01:50 +00003835 u32 val;
3836 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3837 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003838 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003839 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003840}
3841
3842/*
3843 * Clear the GLOBAL_RESET bit.
3844 *
3845 * Should be run under rtnl lock
3846 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003847static void bnx2x_clear_reset_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003848{
Ariel Eliorf16da432012-01-26 06:01:50 +00003849 u32 val;
3850 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3851 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003852 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003853 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003854}
3855
3856/*
3857 * Checks the GLOBAL_RESET bit.
3858 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003859 * should be run under rtnl lock
3860 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003861static bool bnx2x_reset_is_global(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003862{
3863 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3864
3865 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3866 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3867}
3868
3869/*
3870 * Clear RESET_IN_PROGRESS bit for the current engine.
3871 *
3872 * Should be run under rtnl lock
3873 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003874static void bnx2x_set_reset_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003875{
Ariel Eliorf16da432012-01-26 06:01:50 +00003876 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003877 u32 bit = BP_PATH(bp) ?
3878 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003879 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3880 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003881
3882 /* Clear the bit */
3883 val &= ~bit;
3884 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003885
3886 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003887}
3888
3889/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003890 * Set RESET_IN_PROGRESS for the current engine.
3891 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003892 * should be run under rtnl lock
3893 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003894void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003895{
Ariel Eliorf16da432012-01-26 06:01:50 +00003896 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003897 u32 bit = BP_PATH(bp) ?
3898 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003899 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3900 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003901
3902 /* Set the bit */
3903 val |= bit;
3904 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003905 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003906}
3907
3908/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003909 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003910 * should be run under rtnl lock
3911 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003912bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003913{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003914 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3915 u32 bit = engine ?
3916 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3917
3918 /* return false if bit is set */
3919 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003920}
3921
3922/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003923 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003924 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003925 * should be run under rtnl lock
3926 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003927void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003928{
Ariel Eliorf16da432012-01-26 06:01:50 +00003929 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003930 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3931 BNX2X_PATH0_LOAD_CNT_MASK;
3932 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3933 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003934
Ariel Eliorf16da432012-01-26 06:01:50 +00003935 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3936 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3937
Merav Sicron51c1a582012-03-18 10:33:38 +00003938 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003939
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003940 /* get the current counter value */
3941 val1 = (val & mask) >> shift;
3942
Ariel Elior889b9af2012-01-26 06:01:51 +00003943 /* set bit of that PF */
3944 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003945
3946 /* clear the old value */
3947 val &= ~mask;
3948
3949 /* set the new one */
3950 val |= ((val1 << shift) & mask);
3951
3952 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003953 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003954}
3955
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003956/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003957 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003958 *
3959 * @bp: driver handle
3960 *
3961 * Should be run under rtnl lock.
3962 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003963 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003964 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003965bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003966{
Ariel Eliorf16da432012-01-26 06:01:50 +00003967 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003968 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3969 BNX2X_PATH0_LOAD_CNT_MASK;
3970 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3971 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003972
Ariel Eliorf16da432012-01-26 06:01:50 +00003973 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3974 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00003975 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003976
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003977 /* get the current counter value */
3978 val1 = (val & mask) >> shift;
3979
Ariel Elior889b9af2012-01-26 06:01:51 +00003980 /* clear bit of that PF */
3981 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003982
3983 /* clear the old value */
3984 val &= ~mask;
3985
3986 /* set the new one */
3987 val |= ((val1 << shift) & mask);
3988
3989 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003990 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3991 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003992}
3993
3994/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003995 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003996 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003997 * should be run under rtnl lock
3998 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00003999static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004000{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004001 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4002 BNX2X_PATH0_LOAD_CNT_MASK);
4003 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4004 BNX2X_PATH0_LOAD_CNT_SHIFT);
4005 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4006
Merav Sicron51c1a582012-03-18 10:33:38 +00004007 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004008
4009 val = (val & mask) >> shift;
4010
Merav Sicron51c1a582012-03-18 10:33:38 +00004011 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4012 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004013
Ariel Elior889b9af2012-01-26 06:01:51 +00004014 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004015}
4016
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004017/*
Ariel Elior889b9af2012-01-26 06:01:51 +00004018 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004019 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004020static void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004021{
Ariel Eliorf16da432012-01-26 06:01:50 +00004022 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004023 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00004024 BNX2X_PATH0_LOAD_CNT_MASK);
4025 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4026 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004027 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00004028 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004029}
4030
Eric Dumazet1191cb82012-04-27 21:39:21 +00004031static void _print_next_block(int idx, const char *blk)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004032{
Joe Perchesf1deab52011-08-14 12:16:21 +00004033 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004034}
4035
Eric Dumazet1191cb82012-04-27 21:39:21 +00004036static int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
4037 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004038{
4039 int i = 0;
4040 u32 cur_bit = 0;
4041 for (i = 0; sig; i++) {
4042 cur_bit = ((u32)0x1 << i);
4043 if (sig & cur_bit) {
4044 switch (cur_bit) {
4045 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004046 if (print)
4047 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004048 break;
4049 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004050 if (print)
4051 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004052 break;
4053 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004054 if (print)
4055 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004056 break;
4057 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004058 if (print)
4059 _print_next_block(par_num++,
4060 "SEARCHER");
4061 break;
4062 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4063 if (print)
4064 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004065 break;
4066 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004067 if (print)
4068 _print_next_block(par_num++, "TSEMI");
4069 break;
4070 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4071 if (print)
4072 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004073 break;
4074 }
4075
4076 /* Clear the bit */
4077 sig &= ~cur_bit;
4078 }
4079 }
4080
4081 return par_num;
4082}
4083
Eric Dumazet1191cb82012-04-27 21:39:21 +00004084static int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
4085 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004086{
4087 int i = 0;
4088 u32 cur_bit = 0;
4089 for (i = 0; sig; i++) {
4090 cur_bit = ((u32)0x1 << i);
4091 if (sig & cur_bit) {
4092 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004093 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4094 if (print)
4095 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004096 break;
4097 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004098 if (print)
4099 _print_next_block(par_num++, "QM");
4100 break;
4101 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4102 if (print)
4103 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004104 break;
4105 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004106 if (print)
4107 _print_next_block(par_num++, "XSDM");
4108 break;
4109 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4110 if (print)
4111 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004112 break;
4113 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004114 if (print)
4115 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004116 break;
4117 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004118 if (print)
4119 _print_next_block(par_num++,
4120 "DOORBELLQ");
4121 break;
4122 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4123 if (print)
4124 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004125 break;
4126 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004127 if (print)
4128 _print_next_block(par_num++,
4129 "VAUX PCI CORE");
4130 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004131 break;
4132 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004133 if (print)
4134 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004135 break;
4136 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004137 if (print)
4138 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004139 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004140 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4141 if (print)
4142 _print_next_block(par_num++, "UCM");
4143 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004144 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004145 if (print)
4146 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004147 break;
4148 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004149 if (print)
4150 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004151 break;
4152 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004153 if (print)
4154 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004155 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004156 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4157 if (print)
4158 _print_next_block(par_num++, "CCM");
4159 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004160 }
4161
4162 /* Clear the bit */
4163 sig &= ~cur_bit;
4164 }
4165 }
4166
4167 return par_num;
4168}
4169
Eric Dumazet1191cb82012-04-27 21:39:21 +00004170static int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4171 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004172{
4173 int i = 0;
4174 u32 cur_bit = 0;
4175 for (i = 0; sig; i++) {
4176 cur_bit = ((u32)0x1 << i);
4177 if (sig & cur_bit) {
4178 switch (cur_bit) {
4179 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004180 if (print)
4181 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004182 break;
4183 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004184 if (print)
4185 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004186 break;
4187 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004188 if (print)
4189 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004190 "PXPPCICLOCKCLIENT");
4191 break;
4192 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004193 if (print)
4194 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004195 break;
4196 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004197 if (print)
4198 _print_next_block(par_num++, "CDU");
4199 break;
4200 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4201 if (print)
4202 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004203 break;
4204 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004205 if (print)
4206 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004207 break;
4208 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004209 if (print)
4210 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004211 break;
4212 }
4213
4214 /* Clear the bit */
4215 sig &= ~cur_bit;
4216 }
4217 }
4218
4219 return par_num;
4220}
4221
Eric Dumazet1191cb82012-04-27 21:39:21 +00004222static int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4223 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004224{
4225 int i = 0;
4226 u32 cur_bit = 0;
4227 for (i = 0; sig; i++) {
4228 cur_bit = ((u32)0x1 << i);
4229 if (sig & cur_bit) {
4230 switch (cur_bit) {
4231 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004232 if (print)
4233 _print_next_block(par_num++, "MCP ROM");
4234 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004235 break;
4236 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004237 if (print)
4238 _print_next_block(par_num++,
4239 "MCP UMP RX");
4240 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004241 break;
4242 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004243 if (print)
4244 _print_next_block(par_num++,
4245 "MCP UMP TX");
4246 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004247 break;
4248 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004249 if (print)
4250 _print_next_block(par_num++,
4251 "MCP SCPAD");
4252 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004253 break;
4254 }
4255
4256 /* Clear the bit */
4257 sig &= ~cur_bit;
4258 }
4259 }
4260
4261 return par_num;
4262}
4263
Eric Dumazet1191cb82012-04-27 21:39:21 +00004264static int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4265 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004266{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004267 int i = 0;
4268 u32 cur_bit = 0;
4269 for (i = 0; sig; i++) {
4270 cur_bit = ((u32)0x1 << i);
4271 if (sig & cur_bit) {
4272 switch (cur_bit) {
4273 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4274 if (print)
4275 _print_next_block(par_num++, "PGLUE_B");
4276 break;
4277 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4278 if (print)
4279 _print_next_block(par_num++, "ATC");
4280 break;
4281 }
4282
4283 /* Clear the bit */
4284 sig &= ~cur_bit;
4285 }
4286 }
4287
4288 return par_num;
4289}
4290
Eric Dumazet1191cb82012-04-27 21:39:21 +00004291static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4292 u32 *sig)
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004293{
4294 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4295 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4296 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4297 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4298 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004299 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004300 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4301 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004302 sig[0] & HW_PRTY_ASSERT_SET_0,
4303 sig[1] & HW_PRTY_ASSERT_SET_1,
4304 sig[2] & HW_PRTY_ASSERT_SET_2,
4305 sig[3] & HW_PRTY_ASSERT_SET_3,
4306 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004307 if (print)
4308 netdev_err(bp->dev,
4309 "Parity errors detected in blocks: ");
4310 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004311 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004312 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004313 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004314 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004315 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004316 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004317 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4318 par_num = bnx2x_check_blocks_with_parity4(
4319 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4320
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004321 if (print)
4322 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004323
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004324 return true;
4325 } else
4326 return false;
4327}
4328
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004329/**
4330 * bnx2x_chk_parity_attn - checks for parity attentions.
4331 *
4332 * @bp: driver handle
4333 * @global: true if there was a global attention
4334 * @print: show parity attention in syslog
4335 */
4336bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004338 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004339 int port = BP_PORT(bp);
4340
4341 attn.sig[0] = REG_RD(bp,
4342 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4343 port*4);
4344 attn.sig[1] = REG_RD(bp,
4345 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4346 port*4);
4347 attn.sig[2] = REG_RD(bp,
4348 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4349 port*4);
4350 attn.sig[3] = REG_RD(bp,
4351 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4352 port*4);
4353
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004354 if (!CHIP_IS_E1x(bp))
4355 attn.sig[4] = REG_RD(bp,
4356 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4357 port*4);
4358
4359 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004360}
4361
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004362
Eric Dumazet1191cb82012-04-27 21:39:21 +00004363static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004364{
4365 u32 val;
4366 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4367
4368 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4369 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4370 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004371 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004372 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004373 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004374 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004375 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004376 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004377 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004378 if (val &
4379 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004380 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004381 if (val &
4382 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004383 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004384 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004385 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004386 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004387 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004388 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004389 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004390 }
4391 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4392 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4393 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4394 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4395 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4396 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004397 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004398 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004399 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004400 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004401 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004402 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4403 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4404 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004405 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004406 }
4407
4408 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4409 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4410 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4411 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4412 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4413 }
4414
4415}
4416
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004417static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4418{
4419 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004420 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004421 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004422 u32 reg_addr;
4423 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004424 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004425 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004426
4427 /* need to take HW lock because MCP or other port might also
4428 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004429 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004430
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004431 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4432#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004433 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004434 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004435 /* Disable HW interrupts */
4436 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004437 /* In case of parity errors don't handle attentions so that
4438 * other function would "see" parity errors.
4439 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004440#else
4441 bnx2x_panic();
4442#endif
4443 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004444 return;
4445 }
4446
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004447 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4448 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4449 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4450 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004451 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004452 attn.sig[4] =
4453 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4454 else
4455 attn.sig[4] = 0;
4456
4457 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4458 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004459
4460 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4461 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004462 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004463
Merav Sicron51c1a582012-03-18 10:33:38 +00004464 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004465 index,
4466 group_mask->sig[0], group_mask->sig[1],
4467 group_mask->sig[2], group_mask->sig[3],
4468 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004469
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004470 bnx2x_attn_int_deasserted4(bp,
4471 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004472 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004473 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004474 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004475 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004476 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004477 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004478 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004479 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004480 }
4481 }
4482
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004483 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004484
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004485 if (bp->common.int_block == INT_BLOCK_HC)
4486 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4487 COMMAND_REG_ATTN_BITS_CLR);
4488 else
4489 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004490
4491 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004492 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4493 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004494 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004495
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004496 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004497 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004498
4499 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4500 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4501
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004502 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4503 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004504
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004505 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4506 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004507 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004508 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4509
4510 REG_WR(bp, reg_addr, aeu_mask);
4511 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004512
4513 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4514 bp->attn_state &= ~deasserted;
4515 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4516}
4517
4518static void bnx2x_attn_int(struct bnx2x *bp)
4519{
4520 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004521 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4522 attn_bits);
4523 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4524 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004525 u32 attn_state = bp->attn_state;
4526
4527 /* look for changed bits */
4528 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4529 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4530
4531 DP(NETIF_MSG_HW,
4532 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4533 attn_bits, attn_ack, asserted, deasserted);
4534
4535 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004536 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004537
4538 /* handle bits that were raised */
4539 if (asserted)
4540 bnx2x_attn_int_asserted(bp, asserted);
4541
4542 if (deasserted)
4543 bnx2x_attn_int_deasserted(bp, deasserted);
4544}
4545
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004546void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4547 u16 index, u8 op, u8 update)
4548{
4549 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4550
4551 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4552 igu_addr);
4553}
4554
Eric Dumazet1191cb82012-04-27 21:39:21 +00004555static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004556{
4557 /* No memory barriers */
4558 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4559 mmiowb(); /* keep prod updates ordered */
4560}
4561
4562#ifdef BCM_CNIC
4563static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4564 union event_ring_elem *elem)
4565{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004566 u8 err = elem->message.error;
4567
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004568 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004569 (cid < bp->cnic_eth_dev.starting_cid &&
4570 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004571 return 1;
4572
4573 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4574
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004575 if (unlikely(err)) {
4576
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004577 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4578 cid);
4579 bnx2x_panic_dump(bp);
4580 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004581 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004582 return 0;
4583}
4584#endif
4585
Eric Dumazet1191cb82012-04-27 21:39:21 +00004586static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004587{
4588 struct bnx2x_mcast_ramrod_params rparam;
4589 int rc;
4590
4591 memset(&rparam, 0, sizeof(rparam));
4592
4593 rparam.mcast_obj = &bp->mcast_obj;
4594
4595 netif_addr_lock_bh(bp->dev);
4596
4597 /* Clear pending state for the last command */
4598 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4599
4600 /* If there are pending mcast commands - send them */
4601 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4602 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4603 if (rc < 0)
4604 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4605 rc);
4606 }
4607
4608 netif_addr_unlock_bh(bp->dev);
4609}
4610
Eric Dumazet1191cb82012-04-27 21:39:21 +00004611static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4612 union event_ring_elem *elem)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004613{
4614 unsigned long ramrod_flags = 0;
4615 int rc = 0;
4616 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4617 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4618
4619 /* Always push next commands out, don't wait here */
4620 __set_bit(RAMROD_CONT, &ramrod_flags);
4621
4622 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4623 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004624 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004625#ifdef BCM_CNIC
4626 if (cid == BNX2X_ISCSI_ETH_CID)
4627 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4628 else
4629#endif
4630 vlan_mac_obj = &bp->fp[cid].mac_obj;
4631
4632 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004633 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004634 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004635 /* This is only relevant for 57710 where multicast MACs are
4636 * configured as unicast MACs using the same ramrod.
4637 */
4638 bnx2x_handle_mcast_eqe(bp);
4639 return;
4640 default:
4641 BNX2X_ERR("Unsupported classification command: %d\n",
4642 elem->message.data.eth_event.echo);
4643 return;
4644 }
4645
4646 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4647
4648 if (rc < 0)
4649 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4650 else if (rc > 0)
4651 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4652
4653}
4654
4655#ifdef BCM_CNIC
4656static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4657#endif
4658
Eric Dumazet1191cb82012-04-27 21:39:21 +00004659static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004660{
4661 netif_addr_lock_bh(bp->dev);
4662
4663 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4664
4665 /* Send rx_mode command again if was requested */
4666 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4667 bnx2x_set_storm_rx_mode(bp);
4668#ifdef BCM_CNIC
4669 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4670 &bp->sp_state))
4671 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4672 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4673 &bp->sp_state))
4674 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4675#endif
4676
4677 netif_addr_unlock_bh(bp->dev);
4678}
4679
Eric Dumazet1191cb82012-04-27 21:39:21 +00004680static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
Barak Witkowskia3348722012-04-23 03:04:46 +00004681 union event_ring_elem *elem)
4682{
4683 if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
4684 DP(BNX2X_MSG_SP,
4685 "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
4686 elem->message.data.vif_list_event.func_bit_map);
4687 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
4688 elem->message.data.vif_list_event.func_bit_map);
4689 } else if (elem->message.data.vif_list_event.echo ==
4690 VIF_LIST_RULE_SET) {
4691 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
4692 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
4693 }
4694}
4695
4696/* called with rtnl_lock */
Eric Dumazet1191cb82012-04-27 21:39:21 +00004697static void bnx2x_after_function_update(struct bnx2x *bp)
Barak Witkowskia3348722012-04-23 03:04:46 +00004698{
4699 int q, rc;
4700 struct bnx2x_fastpath *fp;
4701 struct bnx2x_queue_state_params queue_params = {NULL};
4702 struct bnx2x_queue_update_params *q_update_params =
4703 &queue_params.params.update;
4704
4705 /* Send Q update command with afex vlan removal values for all Qs */
4706 queue_params.cmd = BNX2X_Q_CMD_UPDATE;
4707
4708 /* set silent vlan removal values according to vlan mode */
4709 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4710 &q_update_params->update_flags);
4711 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
4712 &q_update_params->update_flags);
4713 __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4714
4715 /* in access mode mark mask and value are 0 to strip all vlans */
4716 if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
4717 q_update_params->silent_removal_value = 0;
4718 q_update_params->silent_removal_mask = 0;
4719 } else {
4720 q_update_params->silent_removal_value =
4721 (bp->afex_def_vlan_tag & VLAN_VID_MASK);
4722 q_update_params->silent_removal_mask = VLAN_VID_MASK;
4723 }
4724
4725 for_each_eth_queue(bp, q) {
4726 /* Set the appropriate Queue object */
4727 fp = &bp->fp[q];
4728 queue_params.q_obj = &fp->q_obj;
4729
4730 /* send the ramrod */
4731 rc = bnx2x_queue_state_change(bp, &queue_params);
4732 if (rc < 0)
4733 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4734 q);
4735 }
4736
4737#ifdef BCM_CNIC
4738 if (!NO_FCOE(bp)) {
4739 fp = &bp->fp[FCOE_IDX];
4740 queue_params.q_obj = &fp->q_obj;
4741
4742 /* clear pending completion bit */
4743 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
4744
4745 /* mark latest Q bit */
4746 smp_mb__before_clear_bit();
4747 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
4748 smp_mb__after_clear_bit();
4749
4750 /* send Q update ramrod for FCoE Q */
4751 rc = bnx2x_queue_state_change(bp, &queue_params);
4752 if (rc < 0)
4753 BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
4754 q);
4755 } else {
4756 /* If no FCoE ring - ACK MCP now */
4757 bnx2x_link_report(bp);
4758 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4759 }
4760#else
4761 /* If no FCoE ring - ACK MCP now */
4762 bnx2x_link_report(bp);
4763 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
4764#endif /* BCM_CNIC */
4765}
4766
Eric Dumazet1191cb82012-04-27 21:39:21 +00004767static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004768 struct bnx2x *bp, u32 cid)
4769{
Joe Perches94f05b02011-08-14 12:16:20 +00004770 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004771#ifdef BCM_CNIC
4772 if (cid == BNX2X_FCOE_ETH_CID)
4773 return &bnx2x_fcoe(bp, q_obj);
4774 else
4775#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +00004776 return &bnx2x_fp(bp, CID_TO_FP(cid), q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004777}
4778
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004779static void bnx2x_eq_int(struct bnx2x *bp)
4780{
4781 u16 hw_cons, sw_cons, sw_prod;
4782 union event_ring_elem *elem;
4783 u32 cid;
4784 u8 opcode;
4785 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004786 struct bnx2x_queue_sp_obj *q_obj;
4787 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4788 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004789
4790 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4791
4792 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4793 * when we get the the next-page we nned to adjust so the loop
4794 * condition below will be met. The next element is the size of a
4795 * regular element and hence incrementing by 1
4796 */
4797 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4798 hw_cons++;
4799
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004800 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004801 * specific bp, thus there is no need in "paired" read memory
4802 * barrier here.
4803 */
4804 sw_cons = bp->eq_cons;
4805 sw_prod = bp->eq_prod;
4806
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004807 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004808 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004809
4810 for (; sw_cons != hw_cons;
4811 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4812
4813
4814 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4815
4816 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4817 opcode = elem->message.opcode;
4818
4819
4820 /* handle eq element */
4821 switch (opcode) {
4822 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004823 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4824 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004825 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004826 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004827 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004828
4829 case EVENT_RING_OPCODE_CFC_DEL:
4830 /* handle according to cid range */
4831 /*
4832 * we may want to verify here that the bp state is
4833 * HALTING
4834 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004835 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004836 "got delete ramrod for MULTI[%d]\n", cid);
4837#ifdef BCM_CNIC
4838 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4839 goto next_spqe;
4840#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004841 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4842
4843 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4844 break;
4845
4846
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004847
4848 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004849
4850 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004851 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004852 if (f_obj->complete_cmd(bp, f_obj,
4853 BNX2X_F_CMD_TX_STOP))
4854 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004855 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4856 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004857
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004858 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004859 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004860 if (f_obj->complete_cmd(bp, f_obj,
4861 BNX2X_F_CMD_TX_START))
4862 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004863 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4864 goto next_spqe;
Barak Witkowskia3348722012-04-23 03:04:46 +00004865 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
4866 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
4867 "AFEX: ramrod completed FUNCTION_UPDATE\n");
4868 f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_AFEX_UPDATE);
4869
4870 /* We will perform the Queues update from sp_rtnl task
4871 * as all Queue SP operations should run under
4872 * rtnl_lock.
4873 */
4874 smp_mb__before_clear_bit();
4875 set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
4876 &bp->sp_rtnl_state);
4877 smp_mb__after_clear_bit();
4878
4879 schedule_delayed_work(&bp->sp_rtnl_task, 0);
4880 goto next_spqe;
4881
4882 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
4883 f_obj->complete_cmd(bp, f_obj,
4884 BNX2X_F_CMD_AFEX_VIFLISTS);
4885 bnx2x_after_afex_vif_lists(bp, elem);
4886 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004887 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004888 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4889 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004890 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4891 break;
4892
4893 goto next_spqe;
4894
4895 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004896 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4897 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004898 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4899 break;
4900
4901 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004902 }
4903
4904 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004905 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4906 BNX2X_STATE_OPEN):
4907 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004908 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004909 cid = elem->message.data.eth_event.echo &
4910 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004911 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004912 cid);
4913 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004914 break;
4915
4916 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4917 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004918 case (EVENT_RING_OPCODE_SET_MAC |
4919 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004920 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4921 BNX2X_STATE_OPEN):
4922 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4923 BNX2X_STATE_DIAG):
4924 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4925 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004926 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004927 bnx2x_handle_classification_eqe(bp, elem);
4928 break;
4929
4930 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4931 BNX2X_STATE_OPEN):
4932 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4933 BNX2X_STATE_DIAG):
4934 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4935 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004936 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004937 bnx2x_handle_mcast_eqe(bp);
4938 break;
4939
4940 case (EVENT_RING_OPCODE_FILTERS_RULES |
4941 BNX2X_STATE_OPEN):
4942 case (EVENT_RING_OPCODE_FILTERS_RULES |
4943 BNX2X_STATE_DIAG):
4944 case (EVENT_RING_OPCODE_FILTERS_RULES |
4945 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004946 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004947 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004948 break;
4949 default:
4950 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004951 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4952 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004953 }
4954next_spqe:
4955 spqe_cnt++;
4956 } /* for */
4957
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004958 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004959 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004960
4961 bp->eq_cons = sw_cons;
4962 bp->eq_prod = sw_prod;
4963 /* Make sure that above mem writes were issued towards the memory */
4964 smp_wmb();
4965
4966 /* update producer */
4967 bnx2x_update_eq_prod(bp, bp->eq_prod);
4968}
4969
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004970static void bnx2x_sp_task(struct work_struct *work)
4971{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004972 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004973 u16 status;
4974
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004975 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004976/* if (status == 0) */
4977/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004978
Merav Sicron51c1a582012-03-18 10:33:38 +00004979 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004980
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004981 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004982 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004983 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004984 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004985 }
4986
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004987 /* SP events: STAT_QUERY and others */
4988 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004989#ifdef BCM_CNIC
4990 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004991
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004992 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004993 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
4994 /*
4995 * Prevent local bottom-halves from running as
4996 * we are going to change the local NAPI list.
4997 */
4998 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004999 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00005000 local_bh_enable();
5001 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005002#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005003 /* Handle EQ completions */
5004 bnx2x_eq_int(bp);
5005
5006 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5007 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5008
5009 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005010 }
5011
5012 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00005013 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005014 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005015
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005016 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5017 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Barak Witkowskia3348722012-04-23 03:04:46 +00005018
5019 /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5020 if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5021 &bp->sp_state)) {
5022 bnx2x_link_report(bp);
5023 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5024 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005025}
5026
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005027irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005028{
5029 struct net_device *dev = dev_instance;
5030 struct bnx2x *bp = netdev_priv(dev);
5031
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005032 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5033 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005034
5035#ifdef BNX2X_STOP_ON_ERROR
5036 if (unlikely(bp->panic))
5037 return IRQ_HANDLED;
5038#endif
5039
Michael Chan993ac7b2009-10-10 13:46:56 +00005040#ifdef BCM_CNIC
5041 {
5042 struct cnic_ops *c_ops;
5043
5044 rcu_read_lock();
5045 c_ops = rcu_dereference(bp->cnic_ops);
5046 if (c_ops)
5047 c_ops->cnic_handler(bp->cnic_data, NULL);
5048 rcu_read_unlock();
5049 }
5050#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08005051 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005052
5053 return IRQ_HANDLED;
5054}
5055
5056/* end of slow path */
5057
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005058
5059void bnx2x_drv_pulse(struct bnx2x *bp)
5060{
5061 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5062 bp->fw_drv_pulse_wr_seq);
5063}
5064
5065
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005066static void bnx2x_timer(unsigned long data)
5067{
5068 struct bnx2x *bp = (struct bnx2x *) data;
5069
5070 if (!netif_running(bp->dev))
5071 return;
5072
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005073 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005074 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005075 u32 drv_pulse;
5076 u32 mcp_pulse;
5077
5078 ++bp->fw_drv_pulse_wr_seq;
5079 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5080 /* TBD - add SYSTEM_TIME */
5081 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005082 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005083
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005084 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005085 MCP_PULSE_SEQ_MASK);
5086 /* The delta between driver pulse and mcp response
5087 * should be 1 (before mcp response) or 0 (after mcp response)
5088 */
5089 if ((drv_pulse != mcp_pulse) &&
5090 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
5091 /* someone lost a heartbeat... */
5092 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5093 drv_pulse, mcp_pulse);
5094 }
5095 }
5096
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07005097 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07005098 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005099
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005100 mod_timer(&bp->timer, jiffies + bp->current_interval);
5101}
5102
5103/* end of Statistics */
5104
5105/* nic init */
5106
5107/*
5108 * nic init service functions
5109 */
5110
Eric Dumazet1191cb82012-04-27 21:39:21 +00005111static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005112{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005113 u32 i;
5114 if (!(len%4) && !(addr%4))
5115 for (i = 0; i < len; i += 4)
5116 REG_WR(bp, addr + i, fill);
5117 else
5118 for (i = 0; i < len; i++)
5119 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005120
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005121}
5122
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005123/* helper: writes FP SP data to FW - data_size in dwords */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005124static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5125 int fw_sb_id,
5126 u32 *sb_data_p,
5127 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005128{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005129 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005130 for (index = 0; index < data_size; index++)
5131 REG_WR(bp, BAR_CSTRORM_INTMEM +
5132 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5133 sizeof(u32)*index,
5134 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005135}
5136
Eric Dumazet1191cb82012-04-27 21:39:21 +00005137static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005138{
5139 u32 *sb_data_p;
5140 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005141 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005142 struct hc_status_block_data_e1x sb_data_e1x;
5143
5144 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005145 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005146 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005147 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005148 sb_data_e2.common.p_func.vf_valid = false;
5149 sb_data_p = (u32 *)&sb_data_e2;
5150 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5151 } else {
5152 memset(&sb_data_e1x, 0,
5153 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005154 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005155 sb_data_e1x.common.p_func.vf_valid = false;
5156 sb_data_p = (u32 *)&sb_data_e1x;
5157 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5158 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005159 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5160
5161 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5162 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5163 CSTORM_STATUS_BLOCK_SIZE);
5164 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5165 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5166 CSTORM_SYNC_BLOCK_SIZE);
5167}
5168
5169/* helper: writes SP SB data to FW */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005170static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005171 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005172{
5173 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005174 int i;
5175 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5176 REG_WR(bp, BAR_CSTRORM_INTMEM +
5177 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5178 i*sizeof(u32),
5179 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005180}
5181
Eric Dumazet1191cb82012-04-27 21:39:21 +00005182static void bnx2x_zero_sp_sb(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005183{
5184 int func = BP_FUNC(bp);
5185 struct hc_sp_status_block_data sp_sb_data;
5186 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5187
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005188 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005189 sp_sb_data.p_func.vf_valid = false;
5190
5191 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5192
5193 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5194 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5195 CSTORM_SP_STATUS_BLOCK_SIZE);
5196 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5197 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5198 CSTORM_SP_SYNC_BLOCK_SIZE);
5199
5200}
5201
5202
Eric Dumazet1191cb82012-04-27 21:39:21 +00005203static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005204 int igu_sb_id, int igu_seg_id)
5205{
5206 hc_sm->igu_sb_id = igu_sb_id;
5207 hc_sm->igu_seg_id = igu_seg_id;
5208 hc_sm->timer_value = 0xFF;
5209 hc_sm->time_to_expire = 0xFFFFFFFF;
5210}
5211
David S. Miller8decf862011-09-22 03:23:13 -04005212
5213/* allocates state machine ids. */
Eric Dumazet1191cb82012-04-27 21:39:21 +00005214static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
David S. Miller8decf862011-09-22 03:23:13 -04005215{
5216 /* zero out state machine indices */
5217 /* rx indices */
5218 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5219
5220 /* tx indices */
5221 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5222 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5223 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5224 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5225
5226 /* map indices */
5227 /* rx indices */
5228 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5229 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5230
5231 /* tx indices */
5232 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5233 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5234 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5235 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5236 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5237 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5238 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5239 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5240}
5241
stephen hemminger8d962862010-10-21 07:50:56 +00005242static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005243 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5244{
5245 int igu_seg_id;
5246
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005247 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005248 struct hc_status_block_data_e1x sb_data_e1x;
5249 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005250 int data_size;
5251 u32 *sb_data_p;
5252
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005253 if (CHIP_INT_MODE_IS_BC(bp))
5254 igu_seg_id = HC_SEG_ACCESS_NORM;
5255 else
5256 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005257
5258 bnx2x_zero_fp_sb(bp, fw_sb_id);
5259
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005260 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005261 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005262 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005263 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5264 sb_data_e2.common.p_func.vf_id = vfid;
5265 sb_data_e2.common.p_func.vf_valid = vf_valid;
5266 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5267 sb_data_e2.common.same_igu_sb_1b = true;
5268 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5269 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5270 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005271 sb_data_p = (u32 *)&sb_data_e2;
5272 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005273 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005274 } else {
5275 memset(&sb_data_e1x, 0,
5276 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005277 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005278 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5279 sb_data_e1x.common.p_func.vf_id = 0xff;
5280 sb_data_e1x.common.p_func.vf_valid = false;
5281 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5282 sb_data_e1x.common.same_igu_sb_1b = true;
5283 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5284 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5285 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005286 sb_data_p = (u32 *)&sb_data_e1x;
5287 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005288 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005289 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005290
5291 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5292 igu_sb_id, igu_seg_id);
5293 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5294 igu_sb_id, igu_seg_id);
5295
Merav Sicron51c1a582012-03-18 10:33:38 +00005296 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005297
5298 /* write indecies to HW */
5299 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5300}
5301
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005302static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005303 u16 tx_usec, u16 rx_usec)
5304{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005305 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005306 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005307 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5308 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5309 tx_usec);
5310 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5311 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5312 tx_usec);
5313 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5314 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5315 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005316}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005317
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005318static void bnx2x_init_def_sb(struct bnx2x *bp)
5319{
5320 struct host_sp_status_block *def_sb = bp->def_status_blk;
5321 dma_addr_t mapping = bp->def_status_blk_mapping;
5322 int igu_sp_sb_index;
5323 int igu_seg_id;
5324 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005325 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005326 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005327 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005328 int index;
5329 struct hc_sp_status_block_data sp_sb_data;
5330 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5331
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005332 if (CHIP_INT_MODE_IS_BC(bp)) {
5333 igu_sp_sb_index = DEF_SB_IGU_ID;
5334 igu_seg_id = HC_SEG_ACCESS_DEF;
5335 } else {
5336 igu_sp_sb_index = bp->igu_dsb_id;
5337 igu_seg_id = IGU_SEG_ACCESS_DEF;
5338 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005339
5340 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005341 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005342 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005343 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005344
Eliezer Tamir49d66772008-02-28 11:53:13 -08005345 bp->attn_state = 0;
5346
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005347 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5348 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005349 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5350 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005351 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005352 int sindex;
5353 /* take care of sig[0]..sig[4] */
5354 for (sindex = 0; sindex < 4; sindex++)
5355 bp->attn_group[index].sig[sindex] =
5356 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005357
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005358 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005359 /*
5360 * enable5 is separate from the rest of the registers,
5361 * and therefore the address skip is 4
5362 * and not 16 between the different groups
5363 */
5364 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005365 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005366 else
5367 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005368 }
5369
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005370 if (bp->common.int_block == INT_BLOCK_HC) {
5371 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5372 HC_REG_ATTN_MSG0_ADDR_L);
5373
5374 REG_WR(bp, reg_offset, U64_LO(section));
5375 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005376 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005377 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5378 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5379 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005380
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005381 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5382 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005383
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005384 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005385
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005386 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005387 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5388 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5389 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5390 sp_sb_data.igu_seg_id = igu_seg_id;
5391 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005392 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005393 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005394
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005395 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005396
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005397 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005398}
5399
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005400void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005401{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005402 int i;
5403
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005404 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005405 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005406 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407}
5408
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005409static void bnx2x_init_sp_ring(struct bnx2x *bp)
5410{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005411 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005412 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005413
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005414 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005415 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5416 bp->spq_prod_bd = bp->spq;
5417 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005418}
5419
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005420static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005421{
5422 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005423 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5424 union event_ring_elem *elem =
5425 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005427 elem->next_page.addr.hi =
5428 cpu_to_le32(U64_HI(bp->eq_mapping +
5429 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5430 elem->next_page.addr.lo =
5431 cpu_to_le32(U64_LO(bp->eq_mapping +
5432 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005433 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005434 bp->eq_cons = 0;
5435 bp->eq_prod = NUM_EQ_DESC;
5436 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005437 /* we want a warning message before it gets rought... */
5438 atomic_set(&bp->eq_spq_left,
5439 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005440}
5441
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005442
5443/* called with netif_addr_lock_bh() */
5444void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5445 unsigned long rx_mode_flags,
5446 unsigned long rx_accept_flags,
5447 unsigned long tx_accept_flags,
5448 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005449{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005450 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5451 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005452
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005453 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005454
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005455 /* Prepare ramrod parameters */
5456 ramrod_param.cid = 0;
5457 ramrod_param.cl_id = cl_id;
5458 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5459 ramrod_param.func_id = BP_FUNC(bp);
5460
5461 ramrod_param.pstate = &bp->sp_state;
5462 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5463
5464 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5465 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5466
5467 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5468
5469 ramrod_param.ramrod_flags = ramrod_flags;
5470 ramrod_param.rx_mode_flags = rx_mode_flags;
5471
5472 ramrod_param.rx_accept_flags = rx_accept_flags;
5473 ramrod_param.tx_accept_flags = tx_accept_flags;
5474
5475 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5476 if (rc < 0) {
5477 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5478 return;
5479 }
5480}
5481
5482/* called with netif_addr_lock_bh() */
5483void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5484{
5485 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5486 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5487
5488#ifdef BCM_CNIC
5489 if (!NO_FCOE(bp))
5490
5491 /* Configure rx_mode of FCoE Queue */
5492 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5493#endif
5494
5495 switch (bp->rx_mode) {
5496 case BNX2X_RX_MODE_NONE:
5497 /*
5498 * 'drop all' supersedes any accept flags that may have been
5499 * passed to the function.
5500 */
5501 break;
5502 case BNX2X_RX_MODE_NORMAL:
5503 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5504 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5505 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5506
5507 /* internal switching mode */
5508 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5509 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5510 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5511
5512 break;
5513 case BNX2X_RX_MODE_ALLMULTI:
5514 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5515 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5516 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5517
5518 /* internal switching mode */
5519 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5520 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5521 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5522
5523 break;
5524 case BNX2X_RX_MODE_PROMISC:
5525 /* According to deffinition of SI mode, iface in promisc mode
5526 * should receive matched and unmatched (in resolution of port)
5527 * unicast packets.
5528 */
5529 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5530 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5531 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5532 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5533
5534 /* internal switching mode */
5535 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5536 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5537
5538 if (IS_MF_SI(bp))
5539 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5540 else
5541 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5542
5543 break;
5544 default:
5545 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5546 return;
5547 }
5548
5549 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5550 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5551 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5552 }
5553
5554 __set_bit(RAMROD_RX, &ramrod_flags);
5555 __set_bit(RAMROD_TX, &ramrod_flags);
5556
5557 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5558 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005559}
5560
Eilon Greenstein471de712008-08-13 15:49:35 -07005561static void bnx2x_init_internal_common(struct bnx2x *bp)
5562{
5563 int i;
5564
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005565 if (IS_MF_SI(bp))
5566 /*
5567 * In switch independent mode, the TSTORM needs to accept
5568 * packets that failed classification, since approximate match
5569 * mac addresses aren't written to NIG LLH
5570 */
5571 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5572 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005573 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5574 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5575 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005576
Eilon Greenstein471de712008-08-13 15:49:35 -07005577 /* Zero this manually as its initialization is
5578 currently missing in the initTool */
5579 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5580 REG_WR(bp, BAR_USTRORM_INTMEM +
5581 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005582 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005583 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5584 CHIP_INT_MODE_IS_BC(bp) ?
5585 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5586 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005587}
5588
Eilon Greenstein471de712008-08-13 15:49:35 -07005589static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5590{
5591 switch (load_code) {
5592 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005593 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005594 bnx2x_init_internal_common(bp);
5595 /* no break */
5596
5597 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005598 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005599 /* no break */
5600
5601 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005602 /* internal memory per function is
5603 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005604 break;
5605
5606 default:
5607 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5608 break;
5609 }
5610}
5611
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005612static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5613{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005614 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005615}
5616
5617static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5618{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005619 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005620}
5621
Eric Dumazet1191cb82012-04-27 21:39:21 +00005622static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005623{
5624 if (CHIP_IS_E1x(fp->bp))
5625 return BP_L_ID(fp->bp) + fp->index;
5626 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5627 return bnx2x_fp_igu_sb_id(fp);
5628}
5629
Ariel Elior6383c0b2011-07-14 08:31:57 +00005630static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005631{
5632 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005633 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005634 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005635 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005636 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005637 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005638 fp->cl_id = bnx2x_fp_cl_id(fp);
5639 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5640 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005641 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005642 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5643
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005644 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005645 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005646
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005647 /* Setup SB indicies */
5648 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005649
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005650 /* Configure Queue State object */
5651 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5652 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005653
5654 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5655
5656 /* init tx data */
5657 for_each_cos_in_tx_queue(fp, cos) {
5658 bnx2x_init_txdata(bp, &fp->txdata[cos],
5659 CID_COS_TO_TX_ONLY_CID(fp->cid, cos),
5660 FP_COS_TO_TXQ(fp, cos),
5661 BNX2X_TX_SB_INDEX_BASE + cos);
5662 cids[cos] = fp->txdata[cos].cid;
5663 }
5664
5665 bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, cids, fp->max_cos,
5666 BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
5667 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005668
5669 /**
5670 * Configure classification DBs: Always enable Tx switching
5671 */
5672 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5673
Merav Sicron51c1a582012-03-18 10:33:38 +00005674 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 +03005675 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005676 fp->igu_sb_id);
5677 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5678 fp->fw_sb_id, fp->igu_sb_id);
5679
5680 bnx2x_update_fpsb_idx(fp);
5681}
5682
Eric Dumazet1191cb82012-04-27 21:39:21 +00005683static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
5684{
5685 int i;
5686
5687 for (i = 1; i <= NUM_TX_RINGS; i++) {
5688 struct eth_tx_next_bd *tx_next_bd =
5689 &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
5690
5691 tx_next_bd->addr_hi =
5692 cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
5693 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5694 tx_next_bd->addr_lo =
5695 cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
5696 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
5697 }
5698
5699 SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
5700 txdata->tx_db.data.zero_fill1 = 0;
5701 txdata->tx_db.data.prod = 0;
5702
5703 txdata->tx_pkt_prod = 0;
5704 txdata->tx_pkt_cons = 0;
5705 txdata->tx_bd_prod = 0;
5706 txdata->tx_bd_cons = 0;
5707 txdata->tx_pkt = 0;
5708}
5709
5710static void bnx2x_init_tx_rings(struct bnx2x *bp)
5711{
5712 int i;
5713 u8 cos;
5714
5715 for_each_tx_queue(bp, i)
5716 for_each_cos_in_tx_queue(&bp->fp[i], cos)
5717 bnx2x_init_tx_ring_one(&bp->fp[i].txdata[cos]);
5718}
5719
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005720void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005721{
5722 int i;
5723
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005724 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005725 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005726#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005727 if (!NO_FCOE(bp))
5728 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005729
5730 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5731 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005732 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005733
Michael Chan37b091b2009-10-10 13:46:55 +00005734#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005735
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005736 /* Initialize MOD_ABS interrupts */
5737 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5738 bp->common.shmem_base, bp->common.shmem2_base,
5739 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005740 /* ensure status block indices were read */
5741 rmb();
5742
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005743 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005744 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005745 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005746 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005747 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005748 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005749 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005750 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005751 bnx2x_stats_init(bp);
5752
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005753 /* flush all before enabling interrupts */
5754 mb();
5755 mmiowb();
5756
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005757 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005758
5759 /* Check for SPIO5 */
5760 bnx2x_attn_int_deasserted0(bp,
5761 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5762 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005763}
5764
5765/* end of nic init */
5766
5767/*
5768 * gzip service functions
5769 */
5770
5771static int bnx2x_gunzip_init(struct bnx2x *bp)
5772{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005773 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5774 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005775 if (bp->gunzip_buf == NULL)
5776 goto gunzip_nomem1;
5777
5778 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5779 if (bp->strm == NULL)
5780 goto gunzip_nomem2;
5781
David S. Miller7ab24bf2011-06-29 05:48:41 -07005782 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005783 if (bp->strm->workspace == NULL)
5784 goto gunzip_nomem3;
5785
5786 return 0;
5787
5788gunzip_nomem3:
5789 kfree(bp->strm);
5790 bp->strm = NULL;
5791
5792gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005793 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5794 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005795 bp->gunzip_buf = NULL;
5796
5797gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005798 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005799 return -ENOMEM;
5800}
5801
5802static void bnx2x_gunzip_end(struct bnx2x *bp)
5803{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005804 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005805 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005806 kfree(bp->strm);
5807 bp->strm = NULL;
5808 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005809
5810 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005811 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5812 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005813 bp->gunzip_buf = NULL;
5814 }
5815}
5816
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005817static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005818{
5819 int n, rc;
5820
5821 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005822 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5823 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005824 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005825 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005826
5827 n = 10;
5828
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005829#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005830
5831 if (zbuf[3] & FNAME)
5832 while ((zbuf[n++] != 0) && (n < len));
5833
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005834 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005835 bp->strm->avail_in = len - n;
5836 bp->strm->next_out = bp->gunzip_buf;
5837 bp->strm->avail_out = FW_BUF_SIZE;
5838
5839 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5840 if (rc != Z_OK)
5841 return rc;
5842
5843 rc = zlib_inflate(bp->strm, Z_FINISH);
5844 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005845 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5846 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005847
5848 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5849 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005850 netdev_err(bp->dev,
5851 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005852 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005853 bp->gunzip_outlen >>= 2;
5854
5855 zlib_inflateEnd(bp->strm);
5856
5857 if (rc == Z_STREAM_END)
5858 return 0;
5859
5860 return rc;
5861}
5862
5863/* nic load/unload */
5864
5865/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005866 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005867 */
5868
5869/* send a NIG loopback debug packet */
5870static void bnx2x_lb_pckt(struct bnx2x *bp)
5871{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005872 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005873
5874 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005875 wb_write[0] = 0x55555555;
5876 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005877 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005878 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005879
5880 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005881 wb_write[0] = 0x09000000;
5882 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005883 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005884 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005885}
5886
5887/* some of the internal memories
5888 * are not directly readable from the driver
5889 * to test them we send debug packets
5890 */
5891static int bnx2x_int_mem_test(struct bnx2x *bp)
5892{
5893 int factor;
5894 int count, i;
5895 u32 val = 0;
5896
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005897 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005898 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005899 else if (CHIP_REV_IS_EMUL(bp))
5900 factor = 200;
5901 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005902 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005903
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005904 /* Disable inputs of parser neighbor blocks */
5905 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5906 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5907 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005908 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005909
5910 /* Write 0 to parser credits for CFC search request */
5911 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5912
5913 /* send Ethernet packet */
5914 bnx2x_lb_pckt(bp);
5915
5916 /* TODO do i reset NIG statistic? */
5917 /* Wait until NIG register shows 1 packet of size 0x10 */
5918 count = 1000 * factor;
5919 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005920
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005921 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5922 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005923 if (val == 0x10)
5924 break;
5925
5926 msleep(10);
5927 count--;
5928 }
5929 if (val != 0x10) {
5930 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5931 return -1;
5932 }
5933
5934 /* Wait until PRS register shows 1 packet */
5935 count = 1000 * factor;
5936 while (count) {
5937 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005938 if (val == 1)
5939 break;
5940
5941 msleep(10);
5942 count--;
5943 }
5944 if (val != 0x1) {
5945 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5946 return -2;
5947 }
5948
5949 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005950 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005951 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005952 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005953 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005954 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5955 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005956
5957 DP(NETIF_MSG_HW, "part2\n");
5958
5959 /* Disable inputs of parser neighbor blocks */
5960 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5961 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5962 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005963 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005964
5965 /* Write 0 to parser credits for CFC search request */
5966 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5967
5968 /* send 10 Ethernet packets */
5969 for (i = 0; i < 10; i++)
5970 bnx2x_lb_pckt(bp);
5971
5972 /* Wait until NIG register shows 10 + 1
5973 packets of size 11*0x10 = 0xb0 */
5974 count = 1000 * factor;
5975 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005976
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005977 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5978 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979 if (val == 0xb0)
5980 break;
5981
5982 msleep(10);
5983 count--;
5984 }
5985 if (val != 0xb0) {
5986 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5987 return -3;
5988 }
5989
5990 /* Wait until PRS register shows 2 packets */
5991 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5992 if (val != 2)
5993 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5994
5995 /* Write 1 to parser credits for CFC search request */
5996 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5997
5998 /* Wait until PRS register shows 3 packets */
5999 msleep(10 * factor);
6000 /* Wait until NIG register shows 1 packet of size 0x10 */
6001 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6002 if (val != 3)
6003 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6004
6005 /* clear NIG EOP FIFO */
6006 for (i = 0; i < 11; i++)
6007 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6008 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6009 if (val != 1) {
6010 BNX2X_ERR("clear of NIG failed\n");
6011 return -4;
6012 }
6013
6014 /* Reset and init BRB, PRS, NIG */
6015 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6016 msleep(50);
6017 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6018 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006019 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6020 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006021#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022 /* set NIC mode */
6023 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6024#endif
6025
6026 /* Enable inputs of parser neighbor blocks */
6027 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6028 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6029 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006030 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006031
6032 DP(NETIF_MSG_HW, "done\n");
6033
6034 return 0; /* OK */
6035}
6036
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006037static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006038{
6039 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006040 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006041 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6042 else
6043 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006044 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6045 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006046 /*
6047 * mask read length error interrupts in brb for parser
6048 * (parsing unit and 'checksum and crc' unit)
6049 * these errors are legal (PU reads fixed length and CAC can cause
6050 * read length error on truncated packets)
6051 */
6052 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006053 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6054 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6055 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6056 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6057 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006058/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6059/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006060 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6061 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6062 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006063/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6064/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006065 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6066 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6067 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6068 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006069/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6070/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006071
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006072 if (CHIP_REV_IS_FPGA(bp))
6073 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006074 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006075 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
6076 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
6077 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
6078 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
6079 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
6080 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006081 else
6082 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006083 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6084 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6085 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006086/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006087
6088 if (!CHIP_IS_E1x(bp))
6089 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6090 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6091
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006092 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6093 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006094/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006095 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006096}
6097
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006098static void bnx2x_reset_common(struct bnx2x *bp)
6099{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006100 u32 val = 0x1400;
6101
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006102 /* reset_common */
6103 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6104 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006105
6106 if (CHIP_IS_E3(bp)) {
6107 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6108 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6109 }
6110
6111 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6112}
6113
6114static void bnx2x_setup_dmae(struct bnx2x *bp)
6115{
6116 bp->dmae_ready = 0;
6117 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006118}
6119
Eilon Greenstein573f2032009-08-12 08:24:14 +00006120static void bnx2x_init_pxp(struct bnx2x *bp)
6121{
6122 u16 devctl;
6123 int r_order, w_order;
6124
6125 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00006126 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00006127 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6128 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6129 if (bp->mrrs == -1)
6130 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6131 else {
6132 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6133 r_order = bp->mrrs;
6134 }
6135
6136 bnx2x_init_pxp_arb(bp, r_order, w_order);
6137}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006138
6139static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6140{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006141 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006142 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006143 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006144
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00006145 if (BP_NOMCP(bp))
6146 return;
6147
6148 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006149 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6150 SHARED_HW_CFG_FAN_FAILURE_MASK;
6151
6152 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6153 is_required = 1;
6154
6155 /*
6156 * The fan failure mechanism is usually related to the PHY type since
6157 * the power consumption of the board is affected by the PHY. Currently,
6158 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6159 */
6160 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6161 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006162 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006163 bnx2x_fan_failure_det_req(
6164 bp,
6165 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006166 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00006167 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006168 }
6169
6170 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6171
6172 if (is_required == 0)
6173 return;
6174
6175 /* Fan failure is indicated by SPIO 5 */
6176 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
6177 MISC_REGISTERS_SPIO_INPUT_HI_Z);
6178
6179 /* set to active low mode */
6180 val = REG_RD(bp, MISC_REG_SPIO_INT);
6181 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006182 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006183 REG_WR(bp, MISC_REG_SPIO_INT, val);
6184
6185 /* enable interrupt to signal the IGU */
6186 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6187 val |= (1 << MISC_REGISTERS_SPIO_5);
6188 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6189}
6190
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006191static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
6192{
6193 u32 offset = 0;
6194
6195 if (CHIP_IS_E1(bp))
6196 return;
6197 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
6198 return;
6199
6200 switch (BP_ABS_FUNC(bp)) {
6201 case 0:
6202 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
6203 break;
6204 case 1:
6205 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
6206 break;
6207 case 2:
6208 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
6209 break;
6210 case 3:
6211 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
6212 break;
6213 case 4:
6214 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
6215 break;
6216 case 5:
6217 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
6218 break;
6219 case 6:
6220 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
6221 break;
6222 case 7:
6223 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
6224 break;
6225 default:
6226 return;
6227 }
6228
6229 REG_WR(bp, offset, pretend_func_num);
6230 REG_RD(bp, offset);
6231 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
6232}
6233
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006234void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006235{
6236 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6237 val &= ~IGU_PF_CONF_FUNC_EN;
6238
6239 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6240 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6241 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6242}
6243
Eric Dumazet1191cb82012-04-27 21:39:21 +00006244static void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006245{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006246 u32 shmem_base[2], shmem2_base[2];
6247 shmem_base[0] = bp->common.shmem_base;
6248 shmem2_base[0] = bp->common.shmem2_base;
6249 if (!CHIP_IS_E1x(bp)) {
6250 shmem_base[1] =
6251 SHMEM2_RD(bp, other_shmem_base_addr);
6252 shmem2_base[1] =
6253 SHMEM2_RD(bp, other_shmem2_base_addr);
6254 }
6255 bnx2x_acquire_phy_lock(bp);
6256 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6257 bp->common.chip_id);
6258 bnx2x_release_phy_lock(bp);
6259}
6260
6261/**
6262 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6263 *
6264 * @bp: driver handle
6265 */
6266static int bnx2x_init_hw_common(struct bnx2x *bp)
6267{
6268 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006269
Merav Sicron51c1a582012-03-18 10:33:38 +00006270 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006271
David S. Miller823dcd22011-08-20 10:39:12 -07006272 /*
6273 * take the UNDI lock to protect undi_unload flow from accessing
6274 * registers while we're resetting the chip
6275 */
David S. Miller8decf862011-09-22 03:23:13 -04006276 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006277
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006278 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006279 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006280
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006281 val = 0xfffc;
6282 if (CHIP_IS_E3(bp)) {
6283 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6284 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6285 }
6286 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006287
David S. Miller8decf862011-09-22 03:23:13 -04006288 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006289
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006290 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6291
6292 if (!CHIP_IS_E1x(bp)) {
6293 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006294
6295 /**
6296 * 4-port mode or 2-port mode we need to turn of master-enable
6297 * for everyone, after that, turn it back on for self.
6298 * so, we disregard multi-function or not, and always disable
6299 * for all functions on the given path, this means 0,2,4,6 for
6300 * path 0 and 1,3,5,7 for path 1
6301 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006302 for (abs_func_id = BP_PATH(bp);
6303 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6304 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006305 REG_WR(bp,
6306 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6307 1);
6308 continue;
6309 }
6310
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006311 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006312 /* clear pf enable */
6313 bnx2x_pf_disable(bp);
6314 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6315 }
6316 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006317
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006318 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006319 if (CHIP_IS_E1(bp)) {
6320 /* enable HW interrupt from PXP on USDM overflow
6321 bit 16 on INT_MASK_0 */
6322 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006323 }
6324
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006325 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006326 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006327
6328#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006329 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6330 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6331 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6332 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6333 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006334 /* make sure this value is 0 */
6335 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006336
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006337/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6338 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6339 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6340 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6341 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006342#endif
6343
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006344 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6345
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006346 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6347 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006348
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006349 /* let the HW do it's magic ... */
6350 msleep(100);
6351 /* finish PXP init */
6352 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6353 if (val != 1) {
6354 BNX2X_ERR("PXP2 CFG failed\n");
6355 return -EBUSY;
6356 }
6357 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6358 if (val != 1) {
6359 BNX2X_ERR("PXP2 RD_INIT failed\n");
6360 return -EBUSY;
6361 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006362
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006363 /* Timers bug workaround E2 only. We need to set the entire ILT to
6364 * have entries with value "0" and valid bit on.
6365 * This needs to be done by the first PF that is loaded in a path
6366 * (i.e. common phase)
6367 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006368 if (!CHIP_IS_E1x(bp)) {
6369/* In E2 there is a bug in the timers block that can cause function 6 / 7
6370 * (i.e. vnic3) to start even if it is marked as "scan-off".
6371 * This occurs when a different function (func2,3) is being marked
6372 * as "scan-off". Real-life scenario for example: if a driver is being
6373 * load-unloaded while func6,7 are down. This will cause the timer to access
6374 * the ilt, translate to a logical address and send a request to read/write.
6375 * Since the ilt for the function that is down is not valid, this will cause
6376 * a translation error which is unrecoverable.
6377 * The Workaround is intended to make sure that when this happens nothing fatal
6378 * will occur. The workaround:
6379 * 1. First PF driver which loads on a path will:
6380 * a. After taking the chip out of reset, by using pretend,
6381 * it will write "0" to the following registers of
6382 * the other vnics.
6383 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6384 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6385 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6386 * And for itself it will write '1' to
6387 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6388 * dmae-operations (writing to pram for example.)
6389 * note: can be done for only function 6,7 but cleaner this
6390 * way.
6391 * b. Write zero+valid to the entire ILT.
6392 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6393 * VNIC3 (of that port). The range allocated will be the
6394 * entire ILT. This is needed to prevent ILT range error.
6395 * 2. Any PF driver load flow:
6396 * a. ILT update with the physical addresses of the allocated
6397 * logical pages.
6398 * b. Wait 20msec. - note that this timeout is needed to make
6399 * sure there are no requests in one of the PXP internal
6400 * queues with "old" ILT addresses.
6401 * c. PF enable in the PGLC.
6402 * d. Clear the was_error of the PF in the PGLC. (could have
6403 * occured while driver was down)
6404 * e. PF enable in the CFC (WEAK + STRONG)
6405 * f. Timers scan enable
6406 * 3. PF driver unload flow:
6407 * a. Clear the Timers scan_en.
6408 * b. Polling for scan_on=0 for that PF.
6409 * c. Clear the PF enable bit in the PXP.
6410 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6411 * e. Write zero+valid to all ILT entries (The valid bit must
6412 * stay set)
6413 * f. If this is VNIC 3 of a port then also init
6414 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6415 * to the last enrty in the ILT.
6416 *
6417 * Notes:
6418 * Currently the PF error in the PGLC is non recoverable.
6419 * In the future the there will be a recovery routine for this error.
6420 * Currently attention is masked.
6421 * Having an MCP lock on the load/unload process does not guarantee that
6422 * there is no Timer disable during Func6/7 enable. This is because the
6423 * Timers scan is currently being cleared by the MCP on FLR.
6424 * Step 2.d can be done only for PF6/7 and the driver can also check if
6425 * there is error before clearing it. But the flow above is simpler and
6426 * more general.
6427 * All ILT entries are written by zero+valid and not just PF6/7
6428 * ILT entries since in the future the ILT entries allocation for
6429 * PF-s might be dynamic.
6430 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006431 struct ilt_client_info ilt_cli;
6432 struct bnx2x_ilt ilt;
6433 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6434 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6435
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006436 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006437 ilt_cli.start = 0;
6438 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6439 ilt_cli.client_num = ILT_CLIENT_TM;
6440
6441 /* Step 1: set zeroes to all ilt page entries with valid bit on
6442 * Step 2: set the timers first/last ilt entry to point
6443 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006444 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006445 *
6446 * both steps performed by call to bnx2x_ilt_client_init_op()
6447 * with dummy TM client
6448 *
6449 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6450 * and his brother are split registers
6451 */
6452 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6453 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6454 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6455
6456 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6457 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6458 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6459 }
6460
6461
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006462 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6463 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006464
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006465 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006466 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6467 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006468 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006469
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006470 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006471
6472 /* let the HW do it's magic ... */
6473 do {
6474 msleep(200);
6475 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6476 } while (factor-- && (val != 1));
6477
6478 if (val != 1) {
6479 BNX2X_ERR("ATC_INIT failed\n");
6480 return -EBUSY;
6481 }
6482 }
6483
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006484 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006485
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006486 /* clean the DMAE memory */
6487 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006488 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006489
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006490 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6491
6492 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6493
6494 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6495
6496 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006497
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006498 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6499 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6500 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6501 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6502
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006503 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006504
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006505
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006506 /* QM queues pointers table */
6507 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006508
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006509 /* soft reset pulse */
6510 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6511 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006512
Michael Chan37b091b2009-10-10 13:46:55 +00006513#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006514 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006515#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006516
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006517 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006518 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006519 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006520 /* enable hw interrupt from doorbell Q */
6521 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006522
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006523 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006524
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006525 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006526 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006527
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006528 if (!CHIP_IS_E1(bp))
6529 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6530
Barak Witkowskia3348722012-04-23 03:04:46 +00006531 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
6532 if (IS_MF_AFEX(bp)) {
6533 /* configure that VNTag and VLAN headers must be
6534 * received in afex mode
6535 */
6536 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
6537 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
6538 REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
6539 REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
6540 REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
6541 } else {
6542 /* Bit-map indicating which L2 hdrs may appear
6543 * after the basic Ethernet header
6544 */
6545 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6546 bp->path_has_ovlan ? 7 : 6);
6547 }
6548 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006549
6550 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6551 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6552 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6553 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6554
6555 if (!CHIP_IS_E1x(bp)) {
6556 /* reset VFC memories */
6557 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6558 VFC_MEMORIES_RST_REG_CAM_RST |
6559 VFC_MEMORIES_RST_REG_RAM_RST);
6560 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6561 VFC_MEMORIES_RST_REG_CAM_RST |
6562 VFC_MEMORIES_RST_REG_RAM_RST);
6563
6564 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006565 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006566
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006567 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6568 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6569 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6570 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006571
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006572 /* sync semi rtc */
6573 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6574 0x80000000);
6575 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6576 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006577
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006578 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6579 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6580 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006581
Barak Witkowskia3348722012-04-23 03:04:46 +00006582 if (!CHIP_IS_E1x(bp)) {
6583 if (IS_MF_AFEX(bp)) {
6584 /* configure that VNTag and VLAN headers must be
6585 * sent in afex mode
6586 */
6587 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
6588 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
6589 REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
6590 REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
6591 REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
6592 } else {
6593 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6594 bp->path_has_ovlan ? 7 : 6);
6595 }
6596 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006597
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006598 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006599
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006600 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6601
Michael Chan37b091b2009-10-10 13:46:55 +00006602#ifdef BCM_CNIC
6603 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6604 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6605 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6606 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6607 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6608 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6609 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6610 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6611 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6612 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6613#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006614 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006615
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006616 if (sizeof(union cdu_context) != 1024)
6617 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006618 dev_alert(&bp->pdev->dev,
6619 "please adjust the size of cdu_context(%ld)\n",
6620 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006621
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006622 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006623 val = (4 << 24) + (0 << 12) + 1024;
6624 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006625
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006626 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006627 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006628 /* enable context validation interrupt from CFC */
6629 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6630
6631 /* set the thresholds to prevent CFC/CDU race */
6632 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006633
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006634 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006635
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006636 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006637 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6638
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006639 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6640 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006641
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006642 /* Reset PCIE errors for debug */
6643 REG_WR(bp, 0x2814, 0xffffffff);
6644 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006645
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006646 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006647 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6648 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6649 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6650 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6651 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6652 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6653 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6654 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6655 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6656 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6657 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6658 }
6659
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006660 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006661 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006662 /* in E3 this done in per-port section */
6663 if (!CHIP_IS_E3(bp))
6664 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6665 }
6666 if (CHIP_IS_E1H(bp))
6667 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006668 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006669
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006670 if (CHIP_REV_IS_SLOW(bp))
6671 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006673 /* finish CFC init */
6674 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6675 if (val != 1) {
6676 BNX2X_ERR("CFC LL_INIT failed\n");
6677 return -EBUSY;
6678 }
6679 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6680 if (val != 1) {
6681 BNX2X_ERR("CFC AC_INIT failed\n");
6682 return -EBUSY;
6683 }
6684 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6685 if (val != 1) {
6686 BNX2X_ERR("CFC CAM_INIT failed\n");
6687 return -EBUSY;
6688 }
6689 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006690
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006691 if (CHIP_IS_E1(bp)) {
6692 /* read NIG statistic
6693 to see if this is our first up since powerup */
6694 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6695 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006696
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006697 /* do internal memory self test */
6698 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6699 BNX2X_ERR("internal mem self test failed\n");
6700 return -EBUSY;
6701 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006702 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006703
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006704 bnx2x_setup_fan_failure_detection(bp);
6705
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006706 /* clear PXP2 attentions */
6707 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006708
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006709 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006710 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006711
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006712 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006713 if (CHIP_IS_E1x(bp))
6714 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006715 } else
6716 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6717
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006718 return 0;
6719}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006720
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006721/**
6722 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6723 *
6724 * @bp: driver handle
6725 */
6726static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6727{
6728 int rc = bnx2x_init_hw_common(bp);
6729
6730 if (rc)
6731 return rc;
6732
6733 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6734 if (!BP_NOMCP(bp))
6735 bnx2x__common_init_phy(bp);
6736
6737 return 0;
6738}
6739
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006740static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006741{
6742 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006743 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006744 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006745 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006746
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006747 bnx2x__link_reset(bp);
6748
Merav Sicron51c1a582012-03-18 10:33:38 +00006749 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006750
6751 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006752
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006753 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6754 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6755 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006756
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006757 /* Timers bug workaround: disables the pf_master bit in pglue at
6758 * common phase, we need to enable it here before any dmae access are
6759 * attempted. Therefore we manually added the enable-master to the
6760 * port phase (it also happens in the function phase)
6761 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006762 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006763 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6764
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006765 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6766 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6767 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6768 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6769
6770 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6771 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6772 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6773 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006774
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006775 /* QM cid (connection) count */
6776 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006777
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006778#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006779 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006780 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6781 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006782#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006783
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006784 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006785
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006786 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006787 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6788
6789 if (IS_MF(bp))
6790 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6791 else if (bp->dev->mtu > 4096) {
6792 if (bp->flags & ONE_PORT_FLAG)
6793 low = 160;
6794 else {
6795 val = bp->dev->mtu;
6796 /* (24*1024 + val*4)/256 */
6797 low = 96 + (val/64) +
6798 ((val % 64) ? 1 : 0);
6799 }
6800 } else
6801 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6802 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006803 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6804 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6805 }
6806
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006807 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006808 REG_WR(bp, (BP_PORT(bp) ?
6809 BRB1_REG_MAC_GUARANTIED_1 :
6810 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006811
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006812
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006813 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
Barak Witkowskia3348722012-04-23 03:04:46 +00006814 if (CHIP_IS_E3B0(bp)) {
6815 if (IS_MF_AFEX(bp)) {
6816 /* configure headers for AFEX mode */
6817 REG_WR(bp, BP_PORT(bp) ?
6818 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6819 PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
6820 REG_WR(bp, BP_PORT(bp) ?
6821 PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
6822 PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
6823 REG_WR(bp, BP_PORT(bp) ?
6824 PRS_REG_MUST_HAVE_HDRS_PORT_1 :
6825 PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
6826 } else {
6827 /* Ovlan exists only if we are in multi-function +
6828 * switch-dependent mode, in switch-independent there
6829 * is no ovlan headers
6830 */
6831 REG_WR(bp, BP_PORT(bp) ?
6832 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6833 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6834 (bp->path_has_ovlan ? 7 : 6));
6835 }
6836 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006837
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006838 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6839 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6840 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6841 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6842
6843 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6844 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6845 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6846 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6847
6848 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6849 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6850
6851 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6852
6853 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006854 /* configure PBF to work without PAUSE mtu 9000 */
6855 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006856
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006857 /* update threshold */
6858 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6859 /* update init credit */
6860 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006861
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006862 /* probe changes */
6863 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6864 udelay(50);
6865 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6866 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006867
Michael Chan37b091b2009-10-10 13:46:55 +00006868#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006869 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006870#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006871 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6872 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006873
6874 if (CHIP_IS_E1(bp)) {
6875 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6876 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6877 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006878 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006879
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006880 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006881
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006882 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006883 /* init aeu_mask_attn_func_0/1:
6884 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6885 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6886 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006887 val = IS_MF(bp) ? 0xF7 : 0x7;
6888 /* Enable DCBX attention for all but E1 */
6889 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6890 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006891
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006892 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006893
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006894 if (!CHIP_IS_E1x(bp)) {
6895 /* Bit-map indicating which L2 hdrs may appear after the
6896 * basic Ethernet header
6897 */
Barak Witkowskia3348722012-04-23 03:04:46 +00006898 if (IS_MF_AFEX(bp))
6899 REG_WR(bp, BP_PORT(bp) ?
6900 NIG_REG_P1_HDRS_AFTER_BASIC :
6901 NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
6902 else
6903 REG_WR(bp, BP_PORT(bp) ?
6904 NIG_REG_P1_HDRS_AFTER_BASIC :
6905 NIG_REG_P0_HDRS_AFTER_BASIC,
6906 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006907
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006908 if (CHIP_IS_E3(bp))
6909 REG_WR(bp, BP_PORT(bp) ?
6910 NIG_REG_LLH1_MF_MODE :
6911 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6912 }
6913 if (!CHIP_IS_E3(bp))
6914 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006915
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006916 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006917 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006918 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006919 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006920
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006921 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006922 val = 0;
6923 switch (bp->mf_mode) {
6924 case MULTI_FUNCTION_SD:
6925 val = 1;
6926 break;
6927 case MULTI_FUNCTION_SI:
Barak Witkowskia3348722012-04-23 03:04:46 +00006928 case MULTI_FUNCTION_AFEX:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006929 val = 2;
6930 break;
6931 }
6932
6933 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6934 NIG_REG_LLH0_CLS_TYPE), val);
6935 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006936 {
6937 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6938 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6939 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6940 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006941 }
6942
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006943
6944 /* If SPIO5 is set to generate interrupts, enable it for this port */
6945 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6946 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006947 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6948 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6949 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006950 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006951 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006952 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006953
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006954 return 0;
6955}
6956
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006957static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6958{
6959 int reg;
Yuval Mintz32d68de2012-04-03 18:41:24 +00006960 u32 wb_write[2];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006961
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006962 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006963 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006964 else
6965 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006966
Yuval Mintz32d68de2012-04-03 18:41:24 +00006967 wb_write[0] = ONCHIP_ADDR1(addr);
6968 wb_write[1] = ONCHIP_ADDR2(addr);
6969 REG_WR_DMAE(bp, reg, wb_write, 2);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006970}
6971
Eric Dumazet1191cb82012-04-27 21:39:21 +00006972static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
6973 u8 idu_sb_id, bool is_Pf)
6974{
6975 u32 data, ctl, cnt = 100;
6976 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
6977 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
6978 u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
6979 u32 sb_bit = 1 << (idu_sb_id%32);
6980 u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
6981 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
6982
6983 /* Not supported in BC mode */
6984 if (CHIP_INT_MODE_IS_BC(bp))
6985 return;
6986
6987 data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
6988 << IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
6989 IGU_REGULAR_CLEANUP_SET |
6990 IGU_REGULAR_BCLEANUP;
6991
6992 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
6993 func_encode << IGU_CTRL_REG_FID_SHIFT |
6994 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
6995
6996 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
6997 data, igu_addr_data);
6998 REG_WR(bp, igu_addr_data, data);
6999 mmiowb();
7000 barrier();
7001 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7002 ctl, igu_addr_ctl);
7003 REG_WR(bp, igu_addr_ctl, ctl);
7004 mmiowb();
7005 barrier();
7006
7007 /* wait for clean up to finish */
7008 while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7009 msleep(20);
7010
7011
7012 if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7013 DP(NETIF_MSG_HW,
7014 "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7015 idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7016 }
7017}
7018
7019static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007020{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007021 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007022}
7023
Eric Dumazet1191cb82012-04-27 21:39:21 +00007024static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007025{
7026 u32 i, base = FUNC_ILT_BASE(func);
7027 for (i = base; i < base + ILT_PER_FUNC; i++)
7028 bnx2x_ilt_wr(bp, i, 0);
7029}
7030
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007031static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007032{
7033 int port = BP_PORT(bp);
7034 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007035 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007036 struct bnx2x_ilt *ilt = BP_ILT(bp);
7037 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00007038 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007039 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00007040 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007041
Merav Sicron51c1a582012-03-18 10:33:38 +00007042 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007043
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007044 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00007045 if (!CHIP_IS_E1x(bp)) {
7046 rc = bnx2x_pf_flr_clnup(bp);
7047 if (rc)
7048 return rc;
7049 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007050
Eilon Greenstein8badd272009-02-12 08:36:15 +00007051 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007052 if (bp->common.int_block == INT_BLOCK_HC) {
7053 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7054 val = REG_RD(bp, addr);
7055 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7056 REG_WR(bp, addr, val);
7057 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00007058
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007059 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7060 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7061
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007062 ilt = BP_ILT(bp);
7063 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007064
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007065 for (i = 0; i < L2_ILT_LINES(bp); i++) {
7066 ilt->lines[cdu_ilt_start + i].page =
7067 bp->context.vcxt + (ILT_PAGE_CIDS * i);
7068 ilt->lines[cdu_ilt_start + i].page_mapping =
7069 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
7070 /* cdu ilt pages are allocated manually so there's no need to
7071 set the size */
7072 }
7073 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007074
Michael Chan37b091b2009-10-10 13:46:55 +00007075#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007076 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00007077
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007078 /* T1 hash bits value determines the T1 number of entries */
7079 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00007080#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007081
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007082#ifndef BCM_CNIC
7083 /* set NIC mode */
7084 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7085#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007086
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007087 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007088 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7089
7090 /* Turn on a single ISR mode in IGU if driver is going to use
7091 * INT#x or MSI
7092 */
7093 if (!(bp->flags & USING_MSIX_FLAG))
7094 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
7095 /*
7096 * Timers workaround bug: function init part.
7097 * Need to wait 20msec after initializing ILT,
7098 * needed to make sure there are no requests in
7099 * one of the PXP internal queues with "old" ILT addresses
7100 */
7101 msleep(20);
7102 /*
7103 * Master enable - Due to WB DMAE writes performed before this
7104 * register is re-initialized as part of the regular function
7105 * init
7106 */
7107 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7108 /* Enable the function in IGU */
7109 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
7110 }
7111
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007112 bp->dmae_ready = 1;
7113
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007114 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007115
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007116 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007117 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
7118
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007119 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7120 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7121 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7122 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7123 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7124 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7125 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7126 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7127 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7128 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7129 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7130 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7131 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007132
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007133 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007134 REG_WR(bp, QM_REG_PF_EN, 1);
7135
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007136 if (!CHIP_IS_E1x(bp)) {
7137 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7138 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7139 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7140 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
7141 }
7142 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007143
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007144 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7145 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7146 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7147 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7148 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7149 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7150 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7151 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7152 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7153 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7154 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7155 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007156 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
7157
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007158 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007159
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007160 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007161
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007162 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007163 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
7164
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007165 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007166 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00007167 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007168 }
7169
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007170 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007171
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007172 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007173 if (bp->common.int_block == INT_BLOCK_HC) {
7174 if (CHIP_IS_E1H(bp)) {
7175 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7176
7177 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7178 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7179 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007180 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007181
7182 } else {
7183 int num_segs, sb_idx, prod_offset;
7184
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007185 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
7186
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007187 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007188 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7189 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7190 }
7191
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007192 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007193
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007194 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007195 int dsb_idx = 0;
7196 /**
7197 * Producer memory:
7198 * E2 mode: address 0-135 match to the mapping memory;
7199 * 136 - PF0 default prod; 137 - PF1 default prod;
7200 * 138 - PF2 default prod; 139 - PF3 default prod;
7201 * 140 - PF0 attn prod; 141 - PF1 attn prod;
7202 * 142 - PF2 attn prod; 143 - PF3 attn prod;
7203 * 144-147 reserved.
7204 *
7205 * E1.5 mode - In backward compatible mode;
7206 * for non default SB; each even line in the memory
7207 * holds the U producer and each odd line hold
7208 * the C producer. The first 128 producers are for
7209 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
7210 * producers are for the DSB for each PF.
7211 * Each PF has five segments: (the order inside each
7212 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
7213 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
7214 * 144-147 attn prods;
7215 */
7216 /* non-default-status-blocks */
7217 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7218 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
7219 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
7220 prod_offset = (bp->igu_base_sb + sb_idx) *
7221 num_segs;
7222
7223 for (i = 0; i < num_segs; i++) {
7224 addr = IGU_REG_PROD_CONS_MEMORY +
7225 (prod_offset + i) * 4;
7226 REG_WR(bp, addr, 0);
7227 }
7228 /* send consumer update with value 0 */
7229 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
7230 USTORM_ID, 0, IGU_INT_NOP, 1);
7231 bnx2x_igu_clear_sb(bp,
7232 bp->igu_base_sb + sb_idx);
7233 }
7234
7235 /* default-status-blocks */
7236 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
7237 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
7238
7239 if (CHIP_MODE_IS_4_PORT(bp))
7240 dsb_idx = BP_FUNC(bp);
7241 else
David S. Miller8decf862011-09-22 03:23:13 -04007242 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007243
7244 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
7245 IGU_BC_BASE_DSB_PROD + dsb_idx :
7246 IGU_NORM_BASE_DSB_PROD + dsb_idx);
7247
David S. Miller8decf862011-09-22 03:23:13 -04007248 /*
7249 * igu prods come in chunks of E1HVN_MAX (4) -
7250 * does not matters what is the current chip mode
7251 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007252 for (i = 0; i < (num_segs * E1HVN_MAX);
7253 i += E1HVN_MAX) {
7254 addr = IGU_REG_PROD_CONS_MEMORY +
7255 (prod_offset + i)*4;
7256 REG_WR(bp, addr, 0);
7257 }
7258 /* send consumer update with 0 */
7259 if (CHIP_INT_MODE_IS_BC(bp)) {
7260 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7261 USTORM_ID, 0, IGU_INT_NOP, 1);
7262 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7263 CSTORM_ID, 0, IGU_INT_NOP, 1);
7264 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7265 XSTORM_ID, 0, IGU_INT_NOP, 1);
7266 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7267 TSTORM_ID, 0, IGU_INT_NOP, 1);
7268 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7269 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7270 } else {
7271 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7272 USTORM_ID, 0, IGU_INT_NOP, 1);
7273 bnx2x_ack_sb(bp, bp->igu_dsb_id,
7274 ATTENTION_ID, 0, IGU_INT_NOP, 1);
7275 }
7276 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
7277
7278 /* !!! these should become driver const once
7279 rf-tool supports split-68 const */
7280 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
7281 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
7282 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
7283 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
7284 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
7285 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
7286 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007287 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007288
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007289 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007290 REG_WR(bp, 0x2114, 0xffffffff);
7291 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007292
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007293 if (CHIP_IS_E1x(bp)) {
7294 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
7295 main_mem_base = HC_REG_MAIN_MEMORY +
7296 BP_PORT(bp) * (main_mem_size * 4);
7297 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
7298 main_mem_width = 8;
7299
7300 val = REG_RD(bp, main_mem_prty_clr);
7301 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00007302 DP(NETIF_MSG_HW,
7303 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
7304 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00007305
7306 /* Clear "false" parity errors in MSI-X table */
7307 for (i = main_mem_base;
7308 i < main_mem_base + main_mem_size * 4;
7309 i += main_mem_width) {
7310 bnx2x_read_dmae(bp, i, main_mem_width / 4);
7311 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
7312 i, main_mem_width / 4);
7313 }
7314 /* Clear HC parity attention */
7315 REG_RD(bp, main_mem_prty_clr);
7316 }
7317
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007318#ifdef BNX2X_STOP_ON_ERROR
7319 /* Enable STORMs SP logging */
7320 REG_WR8(bp, BAR_USTRORM_INTMEM +
7321 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7322 REG_WR8(bp, BAR_TSTRORM_INTMEM +
7323 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7324 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7325 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7326 REG_WR8(bp, BAR_XSTRORM_INTMEM +
7327 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
7328#endif
7329
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007330 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007331
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007332 return 0;
7333}
7334
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007335
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007336void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007337{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007338 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007339 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007340 /* end of fastpath */
7341
7342 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007343 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007344
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007345 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7346 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7347
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007348 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007349 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007350
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007351 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
7352 bp->context.size);
7353
7354 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7355
7356 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007357
Michael Chan37b091b2009-10-10 13:46:55 +00007358#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007359 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007360 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7361 sizeof(struct host_hc_status_block_e2));
7362 else
7363 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7364 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007365
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007366 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007367#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007368
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007369 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007370
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007371 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7372 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007373}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007374
Eric Dumazet1191cb82012-04-27 21:39:21 +00007375static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007376{
7377 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007378 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007379
Barak Witkowski50f0a562011-12-05 21:52:23 +00007380 /* number of queues for statistics is number of eth queues + FCoE */
7381 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007382
7383 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007384 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7385 * num of queues
7386 */
7387 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007388
7389
7390 /* Request is built from stats_query_header and an array of
7391 * stats_query_cmd_group each of which contains
7392 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7393 * configured in the stats_query_header.
7394 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007395 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7396 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007397
7398 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7399 num_groups * sizeof(struct stats_query_cmd_group);
7400
7401 /* Data for statistics requests + stats_conter
7402 *
7403 * stats_counter holds per-STORM counters that are incremented
7404 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007405 *
7406 * memory for FCoE offloaded statistics are counted anyway,
7407 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007408 */
7409 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7410 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007411 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007412 sizeof(struct per_queue_stats) * num_queue_stats +
7413 sizeof(struct stats_counter);
7414
7415 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7416 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7417
7418 /* Set shortcuts */
7419 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7420 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7421
7422 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7423 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7424
7425 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7426 bp->fw_stats_req_sz;
7427 return 0;
7428
7429alloc_mem_err:
7430 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7431 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007432 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007433 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007434}
7435
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007436
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007437int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007438{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007439#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007440 if (!CHIP_IS_E1x(bp))
7441 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007442 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7443 sizeof(struct host_hc_status_block_e2));
7444 else
7445 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7446 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007447
7448 /* allocate searcher T2 table */
7449 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7450#endif
7451
7452
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007453 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007454 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007455
7456 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7457 sizeof(struct bnx2x_slowpath));
7458
Mintz Yuval82fa8482012-02-15 02:10:29 +00007459#ifdef BCM_CNIC
7460 /* write address to which L5 should insert its values */
7461 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7462#endif
7463
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007464 /* Allocated memory for FW statistics */
7465 if (bnx2x_alloc_fw_stats_mem(bp))
7466 goto alloc_mem_err;
7467
Ariel Elior6383c0b2011-07-14 08:31:57 +00007468 bp->context.size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007469
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007470 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
7471 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007472
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007473 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007474
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007475 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7476 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007477
7478 /* Slow path ring */
7479 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7480
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007481 /* EQ */
7482 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7483 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007484
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007485
7486 /* fastpath */
7487 /* need to be done at the end, since it's self adjusting to amount
7488 * of memory available for RSS queues
7489 */
7490 if (bnx2x_alloc_fp_mem(bp))
7491 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007492 return 0;
7493
7494alloc_mem_err:
7495 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007496 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007497 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007498}
7499
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007500/*
7501 * Init service functions
7502 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007503
7504int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7505 struct bnx2x_vlan_mac_obj *obj, bool set,
7506 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007507{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007508 int rc;
7509 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007510
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007511 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007512
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007513 /* Fill general parameters */
7514 ramrod_param.vlan_mac_obj = obj;
7515 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007516
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007517 /* Fill a user request section if needed */
7518 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7519 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007520
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007521 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007522
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007523 /* Set the command: ADD or DEL */
7524 if (set)
7525 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7526 else
7527 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007528 }
7529
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007530 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7531 if (rc < 0)
7532 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7533 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007534}
7535
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007536int bnx2x_del_all_macs(struct bnx2x *bp,
7537 struct bnx2x_vlan_mac_obj *mac_obj,
7538 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007539{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007540 int rc;
7541 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7542
7543 /* Wait for completion of requested */
7544 if (wait_for_comp)
7545 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7546
7547 /* Set the mac type of addresses we want to clear */
7548 __set_bit(mac_type, &vlan_mac_flags);
7549
7550 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7551 if (rc < 0)
7552 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7553
7554 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007555}
7556
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007557int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007558{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007559 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007560
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007561#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +00007562 if (is_zero_ether_addr(bp->dev->dev_addr) &&
7563 (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007564 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7565 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007566 return 0;
7567 }
7568#endif
7569
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007570 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007571
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007572 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7573 /* Eth MAC is set on RSS leading client (fp[0]) */
7574 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->fp->mac_obj, set,
7575 BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007576}
7577
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007578int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007579{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007580 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007581}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007582
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007583/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007584 * bnx2x_set_int_mode - configure interrupt mode
7585 *
7586 * @bp: driver handle
7587 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007588 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007589 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007590static void __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007591{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007592 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007593 case INT_MODE_MSI:
7594 bnx2x_enable_msi(bp);
7595 /* falling through... */
7596 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007597 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Merav Sicron51c1a582012-03-18 10:33:38 +00007598 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007599 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007600 default:
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007601 /* Set number of queues for MSI-X mode */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007602 bnx2x_set_num_queues(bp);
7603
Merav Sicron51c1a582012-03-18 10:33:38 +00007604 BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007605
7606 /* if we can't use MSI-X we only need one fp,
7607 * so try to enable MSI-X with the requested number of fp's
7608 * and fallback to MSI or legacy INTx with one fp
7609 */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007610 if (bnx2x_enable_msix(bp) ||
7611 bp->flags & USING_SINGLE_MSIX_FLAG) {
7612 /* failed to enable multiple MSI-X */
7613 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
Merav Sicron51c1a582012-03-18 10:33:38 +00007614 bp->num_queues, 1 + NON_ETH_CONTEXT_USE);
7615
Ariel Elior6383c0b2011-07-14 08:31:57 +00007616 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007617
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007618 /* Try to enable MSI */
Dmitry Kravkov30a5de72012-04-03 18:41:26 +00007619 if (!(bp->flags & USING_SINGLE_MSIX_FLAG) &&
7620 !(bp->flags & DISABLE_MSI_FLAG))
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007621 bnx2x_enable_msi(bp);
7622 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007623 break;
7624 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007625}
7626
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007627/* must be called prioir to any HW initializations */
7628static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7629{
7630 return L2_ILT_LINES(bp);
7631}
7632
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007633void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007634{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007635 struct ilt_client_info *ilt_client;
7636 struct bnx2x_ilt *ilt = BP_ILT(bp);
7637 u16 line = 0;
7638
7639 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7640 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7641
7642 /* CDU */
7643 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7644 ilt_client->client_num = ILT_CLIENT_CDU;
7645 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7646 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7647 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007648 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007649#ifdef BCM_CNIC
7650 line += CNIC_ILT_LINES;
7651#endif
7652 ilt_client->end = line - 1;
7653
Merav Sicron51c1a582012-03-18 10:33:38 +00007654 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 +00007655 ilt_client->start,
7656 ilt_client->end,
7657 ilt_client->page_size,
7658 ilt_client->flags,
7659 ilog2(ilt_client->page_size >> 12));
7660
7661 /* QM */
7662 if (QM_INIT(bp->qm_cid_count)) {
7663 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7664 ilt_client->client_num = ILT_CLIENT_QM;
7665 ilt_client->page_size = QM_ILT_PAGE_SZ;
7666 ilt_client->flags = 0;
7667 ilt_client->start = line;
7668
7669 /* 4 bytes for each cid */
7670 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7671 QM_ILT_PAGE_SZ);
7672
7673 ilt_client->end = line - 1;
7674
Merav Sicron51c1a582012-03-18 10:33:38 +00007675 DP(NETIF_MSG_IFUP,
7676 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007677 ilt_client->start,
7678 ilt_client->end,
7679 ilt_client->page_size,
7680 ilt_client->flags,
7681 ilog2(ilt_client->page_size >> 12));
7682
7683 }
7684 /* SRC */
7685 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7686#ifdef BCM_CNIC
7687 ilt_client->client_num = ILT_CLIENT_SRC;
7688 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7689 ilt_client->flags = 0;
7690 ilt_client->start = line;
7691 line += SRC_ILT_LINES;
7692 ilt_client->end = line - 1;
7693
Merav Sicron51c1a582012-03-18 10:33:38 +00007694 DP(NETIF_MSG_IFUP,
7695 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007696 ilt_client->start,
7697 ilt_client->end,
7698 ilt_client->page_size,
7699 ilt_client->flags,
7700 ilog2(ilt_client->page_size >> 12));
7701
7702#else
7703 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7704#endif
7705
7706 /* TM */
7707 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7708#ifdef BCM_CNIC
7709 ilt_client->client_num = ILT_CLIENT_TM;
7710 ilt_client->page_size = TM_ILT_PAGE_SZ;
7711 ilt_client->flags = 0;
7712 ilt_client->start = line;
7713 line += TM_ILT_LINES;
7714 ilt_client->end = line - 1;
7715
Merav Sicron51c1a582012-03-18 10:33:38 +00007716 DP(NETIF_MSG_IFUP,
7717 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007718 ilt_client->start,
7719 ilt_client->end,
7720 ilt_client->page_size,
7721 ilt_client->flags,
7722 ilog2(ilt_client->page_size >> 12));
7723
7724#else
7725 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7726#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007727 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007728}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007729
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007730/**
7731 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7732 *
7733 * @bp: driver handle
7734 * @fp: pointer to fastpath
7735 * @init_params: pointer to parameters structure
7736 *
7737 * parameters configured:
7738 * - HC configuration
7739 * - Queue's CDU context
7740 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00007741static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007742 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007743{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007744
7745 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007746 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7747 if (!IS_FCOE_FP(fp)) {
7748 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7749 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7750
7751 /* If HC is supporterd, enable host coalescing in the transition
7752 * to INIT state.
7753 */
7754 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7755 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7756
7757 /* HC rate */
7758 init_params->rx.hc_rate = bp->rx_ticks ?
7759 (1000000 / bp->rx_ticks) : 0;
7760 init_params->tx.hc_rate = bp->tx_ticks ?
7761 (1000000 / bp->tx_ticks) : 0;
7762
7763 /* FW SB ID */
7764 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7765 fp->fw_sb_id;
7766
7767 /*
7768 * CQ index among the SB indices: FCoE clients uses the default
7769 * SB, therefore it's different.
7770 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007771 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7772 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007773 }
7774
Ariel Elior6383c0b2011-07-14 08:31:57 +00007775 /* set maximum number of COSs supported by this queue */
7776 init_params->max_cos = fp->max_cos;
7777
Merav Sicron51c1a582012-03-18 10:33:38 +00007778 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007779 fp->index, init_params->max_cos);
7780
7781 /* set the context pointers queue object */
7782 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++)
7783 init_params->cxts[cos] =
7784 &bp->context.vcxt[fp->txdata[cos].cid].eth;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007785}
7786
Ariel Elior6383c0b2011-07-14 08:31:57 +00007787int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7788 struct bnx2x_queue_state_params *q_params,
7789 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7790 int tx_index, bool leading)
7791{
7792 memset(tx_only_params, 0, sizeof(*tx_only_params));
7793
7794 /* Set the command */
7795 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7796
7797 /* Set tx-only QUEUE flags: don't zero statistics */
7798 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7799
7800 /* choose the index of the cid to send the slow path on */
7801 tx_only_params->cid_index = tx_index;
7802
7803 /* Set general TX_ONLY_SETUP parameters */
7804 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7805
7806 /* Set Tx TX_ONLY_SETUP parameters */
7807 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7808
Merav Sicron51c1a582012-03-18 10:33:38 +00007809 DP(NETIF_MSG_IFUP,
7810 "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 +00007811 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7812 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7813 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7814
7815 /* send the ramrod */
7816 return bnx2x_queue_state_change(bp, q_params);
7817}
7818
7819
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007820/**
7821 * bnx2x_setup_queue - setup queue
7822 *
7823 * @bp: driver handle
7824 * @fp: pointer to fastpath
7825 * @leading: is leading
7826 *
7827 * This function performs 2 steps in a Queue state machine
7828 * actually: 1) RESET->INIT 2) INIT->SETUP
7829 */
7830
7831int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7832 bool leading)
7833{
Yuval Mintz3b603062012-03-18 10:33:39 +00007834 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007835 struct bnx2x_queue_setup_params *setup_params =
7836 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007837 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7838 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007839 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007840 u8 tx_index;
7841
Merav Sicron51c1a582012-03-18 10:33:38 +00007842 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007843
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007844 /* reset IGU state skip FCoE L2 queue */
7845 if (!IS_FCOE_FP(fp))
7846 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007847 IGU_INT_ENABLE, 0);
7848
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007849 q_params.q_obj = &fp->q_obj;
7850 /* We want to wait for completion in this context */
7851 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007852
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007853 /* Prepare the INIT parameters */
7854 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007855
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007856 /* Set the command */
7857 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007858
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007859 /* Change the state to INIT */
7860 rc = bnx2x_queue_state_change(bp, &q_params);
7861 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007862 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007863 return rc;
7864 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007865
Merav Sicron51c1a582012-03-18 10:33:38 +00007866 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007867
7868
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007869 /* Now move the Queue to the SETUP state... */
7870 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007871
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007872 /* Set QUEUE flags */
7873 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007874
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007875 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007876 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7877 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007878
Ariel Elior6383c0b2011-07-14 08:31:57 +00007879 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007880 &setup_params->rxq_params);
7881
Ariel Elior6383c0b2011-07-14 08:31:57 +00007882 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7883 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007884
7885 /* Set the command */
7886 q_params.cmd = BNX2X_Q_CMD_SETUP;
7887
7888 /* Change the state to SETUP */
7889 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007890 if (rc) {
7891 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7892 return rc;
7893 }
7894
7895 /* loop through the relevant tx-only indices */
7896 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7897 tx_index < fp->max_cos;
7898 tx_index++) {
7899
7900 /* prepare and send tx-only ramrod*/
7901 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7902 tx_only_params, tx_index, leading);
7903 if (rc) {
7904 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7905 fp->index, tx_index);
7906 return rc;
7907 }
7908 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007909
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007910 return rc;
7911}
7912
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007913static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007914{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007915 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007916 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00007917 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007918 int rc, tx_index;
7919
Merav Sicron51c1a582012-03-18 10:33:38 +00007920 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007921
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007922 q_params.q_obj = &fp->q_obj;
7923 /* We want to wait for completion in this context */
7924 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007925
Ariel Elior6383c0b2011-07-14 08:31:57 +00007926
7927 /* close tx-only connections */
7928 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7929 tx_index < fp->max_cos;
7930 tx_index++){
7931
7932 /* ascertain this is a normal queue*/
7933 txdata = &fp->txdata[tx_index];
7934
Merav Sicron51c1a582012-03-18 10:33:38 +00007935 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007936 txdata->txq_index);
7937
7938 /* send halt terminate on tx-only connection */
7939 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7940 memset(&q_params.params.terminate, 0,
7941 sizeof(q_params.params.terminate));
7942 q_params.params.terminate.cid_index = tx_index;
7943
7944 rc = bnx2x_queue_state_change(bp, &q_params);
7945 if (rc)
7946 return rc;
7947
7948 /* send halt terminate on tx-only connection */
7949 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7950 memset(&q_params.params.cfc_del, 0,
7951 sizeof(q_params.params.cfc_del));
7952 q_params.params.cfc_del.cid_index = tx_index;
7953 rc = bnx2x_queue_state_change(bp, &q_params);
7954 if (rc)
7955 return rc;
7956 }
7957 /* Stop the primary connection: */
7958 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007959 q_params.cmd = BNX2X_Q_CMD_HALT;
7960 rc = bnx2x_queue_state_change(bp, &q_params);
7961 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007962 return rc;
7963
Ariel Elior6383c0b2011-07-14 08:31:57 +00007964 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007965 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007966 memset(&q_params.params.terminate, 0,
7967 sizeof(q_params.params.terminate));
7968 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007969 rc = bnx2x_queue_state_change(bp, &q_params);
7970 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007971 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007972 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007973 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007974 memset(&q_params.params.cfc_del, 0,
7975 sizeof(q_params.params.cfc_del));
7976 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007977 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007978}
7979
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007980
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007981static void bnx2x_reset_func(struct bnx2x *bp)
7982{
7983 int port = BP_PORT(bp);
7984 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007985 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007986
7987 /* Disable the function in the FW */
7988 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7989 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7990 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7991 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7992
7993 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007994 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007995 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007996 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007997 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
7998 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007999 }
8000
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008001#ifdef BCM_CNIC
8002 /* CNIC SB */
8003 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8004 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
8005 SB_DISABLED);
8006#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008007 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008008 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00008009 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8010 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008011
8012 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8013 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8014 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08008015
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008016 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008017 if (bp->common.int_block == INT_BLOCK_HC) {
8018 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8019 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8020 } else {
8021 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8022 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8023 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008024
Michael Chan37b091b2009-10-10 13:46:55 +00008025#ifdef BCM_CNIC
8026 /* Disable Timer scan */
8027 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8028 /*
8029 * Wait for at least 10ms and up to 2 second for the timers scan to
8030 * complete
8031 */
8032 for (i = 0; i < 200; i++) {
8033 msleep(10);
8034 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8035 break;
8036 }
8037#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008038 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008039 bnx2x_clear_func_ilt(bp, func);
8040
8041 /* Timers workaround bug for E2: if this is vnic-3,
8042 * we need to set the entire ilt range for this timers.
8043 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008044 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008045 struct ilt_client_info ilt_cli;
8046 /* use dummy TM client */
8047 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
8048 ilt_cli.start = 0;
8049 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
8050 ilt_cli.client_num = ILT_CLIENT_TM;
8051
8052 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
8053 }
8054
8055 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008056 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008057 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008058
8059 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008060}
8061
8062static void bnx2x_reset_port(struct bnx2x *bp)
8063{
8064 int port = BP_PORT(bp);
8065 u32 val;
8066
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008067 /* Reset physical Link */
8068 bnx2x__link_reset(bp);
8069
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008070 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
8071
8072 /* Do not rcv packets to BRB */
8073 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
8074 /* Do not direct rcv packets that are not for MCP to the BRB */
8075 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8076 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
8077
8078 /* Configure AEU */
8079 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
8080
8081 msleep(100);
8082 /* Check for BRB port occupancy */
8083 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
8084 if (val)
8085 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07008086 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008087
8088 /* TODO: Close Doorbell port? */
8089}
8090
Eric Dumazet1191cb82012-04-27 21:39:21 +00008091static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008092{
Yuval Mintz3b603062012-03-18 10:33:39 +00008093 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008094
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008095 /* Prepare parameters for function state transitions */
8096 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008097
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008098 func_params.f_obj = &bp->func_obj;
8099 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008100
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008101 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008102
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008103 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008104}
8105
Eric Dumazet1191cb82012-04-27 21:39:21 +00008106static int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008107{
Yuval Mintz3b603062012-03-18 10:33:39 +00008108 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008109 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008110
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008111 /* Prepare parameters for function state transitions */
8112 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
8113 func_params.f_obj = &bp->func_obj;
8114 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008115
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008116 /*
8117 * Try to stop the function the 'good way'. If fails (in case
8118 * of a parity error during bnx2x_chip_cleanup()) and we are
8119 * not in a debug mode, perform a state transaction in order to
8120 * enable further HW_RESET transaction.
8121 */
8122 rc = bnx2x_func_state_change(bp, &func_params);
8123 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008124#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008125 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008126#else
Merav Sicron51c1a582012-03-18 10:33:38 +00008127 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008128 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
8129 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008130#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07008131 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008132
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008133 return 0;
8134}
Yitchak Gertner65abd742008-08-25 15:26:24 -07008135
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008136/**
8137 * bnx2x_send_unload_req - request unload mode from the MCP.
8138 *
8139 * @bp: driver handle
8140 * @unload_mode: requested function's unload mode
8141 *
8142 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
8143 */
8144u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
8145{
8146 u32 reset_code = 0;
8147 int port = BP_PORT(bp);
8148
8149 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008150 if (unload_mode == UNLOAD_NORMAL)
8151 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008152
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008153 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008154 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008155
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00008156 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008157 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008158 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008159 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04008160 u16 pmc;
8161
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008162 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04008163 * preserve entry 0 which is used by the PMF
8164 */
David S. Miller8decf862011-09-22 03:23:13 -04008165 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008166
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008167 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008168 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008169
8170 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
8171 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07008172 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008173
David S. Miller88c51002011-10-07 13:38:43 -04008174 /* Enable the PME and clear the status */
8175 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
8176 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
8177 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
8178
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008179 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08008180
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008181 } else
8182 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
8183
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008184 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008185 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008186 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008187 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008188 int path = BP_PATH(bp);
8189
Merav Sicron51c1a582012-03-18 10:33:38 +00008190 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008191 path, load_count[path][0], load_count[path][1],
8192 load_count[path][2]);
8193 load_count[path][0]--;
8194 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00008195 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008196 path, load_count[path][0], load_count[path][1],
8197 load_count[path][2]);
8198 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008199 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008200 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008201 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
8202 else
8203 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
8204 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008205
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008206 return reset_code;
8207}
8208
8209/**
8210 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
8211 *
8212 * @bp: driver handle
8213 */
8214void bnx2x_send_unload_done(struct bnx2x *bp)
8215{
8216 /* Report UNLOAD_DONE to MCP */
8217 if (!BP_NOMCP(bp))
8218 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8219}
8220
Eric Dumazet1191cb82012-04-27 21:39:21 +00008221static int bnx2x_func_wait_started(struct bnx2x *bp)
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008222{
8223 int tout = 50;
8224 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
8225
8226 if (!bp->port.pmf)
8227 return 0;
8228
8229 /*
8230 * (assumption: No Attention from MCP at this stage)
8231 * PMF probably in the middle of TXdisable/enable transaction
8232 * 1. Sync IRS for default SB
8233 * 2. Sync SP queue - this guarantes us that attention handling started
8234 * 3. Wait, that TXdisable/enable transaction completes
8235 *
8236 * 1+2 guranty that if DCBx attention was scheduled it already changed
8237 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
8238 * received complettion for the transaction the state is TX_STOPPED.
8239 * State will return to STARTED after completion of TX_STOPPED-->STARTED
8240 * transaction.
8241 */
8242
8243 /* make sure default SB ISR is done */
8244 if (msix)
8245 synchronize_irq(bp->msix_table[0].vector);
8246 else
8247 synchronize_irq(bp->pdev->irq);
8248
8249 flush_workqueue(bnx2x_wq);
8250
8251 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
8252 BNX2X_F_STATE_STARTED && tout--)
8253 msleep(20);
8254
8255 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
8256 BNX2X_F_STATE_STARTED) {
8257#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008258 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008259 return -EBUSY;
8260#else
8261 /*
8262 * Failed to complete the transaction in a "good way"
8263 * Force both transactions with CLR bit
8264 */
Yuval Mintz3b603062012-03-18 10:33:39 +00008265 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008266
Merav Sicron51c1a582012-03-18 10:33:38 +00008267 DP(NETIF_MSG_IFDOWN,
8268 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008269
8270 func_params.f_obj = &bp->func_obj;
8271 __set_bit(RAMROD_DRV_CLR_ONLY,
8272 &func_params.ramrod_flags);
8273
8274 /* STARTED-->TX_ST0PPED */
8275 func_params.cmd = BNX2X_F_CMD_TX_STOP;
8276 bnx2x_func_state_change(bp, &func_params);
8277
8278 /* TX_ST0PPED-->STARTED */
8279 func_params.cmd = BNX2X_F_CMD_TX_START;
8280 return bnx2x_func_state_change(bp, &func_params);
8281#endif
8282 }
8283
8284 return 0;
8285}
8286
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008287void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
8288{
8289 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00008290 int i, rc = 0;
8291 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00008292 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008293 u32 reset_code;
8294
8295 /* Wait until tx fastpath tasks complete */
8296 for_each_tx_queue(bp, i) {
8297 struct bnx2x_fastpath *fp = &bp->fp[i];
8298
Ariel Elior6383c0b2011-07-14 08:31:57 +00008299 for_each_cos_in_tx_queue(fp, cos)
8300 rc = bnx2x_clean_tx_queue(bp, &fp->txdata[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008301#ifdef BNX2X_STOP_ON_ERROR
8302 if (rc)
8303 return;
8304#endif
8305 }
8306
8307 /* Give HW time to discard old tx messages */
8308 usleep_range(1000, 1000);
8309
8310 /* Clean all ETH MACs */
8311 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_ETH_MAC, false);
8312 if (rc < 0)
8313 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
8314
8315 /* Clean up UC list */
8316 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_UC_LIST_MAC,
8317 true);
8318 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00008319 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
8320 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008321
8322 /* Disable LLH */
8323 if (!CHIP_IS_E1(bp))
8324 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
8325
8326 /* Set "drop all" (stop Rx).
8327 * We need to take a netif_addr_lock() here in order to prevent
8328 * a race between the completion code and this code.
8329 */
8330 netif_addr_lock_bh(bp->dev);
8331 /* Schedule the rx_mode command */
8332 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8333 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8334 else
8335 bnx2x_set_storm_rx_mode(bp);
8336
8337 /* Cleanup multicast configuration */
8338 rparam.mcast_obj = &bp->mcast_obj;
8339 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8340 if (rc < 0)
8341 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8342
8343 netif_addr_unlock_bh(bp->dev);
8344
8345
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008346
8347 /*
8348 * Send the UNLOAD_REQUEST to the MCP. This will return if
8349 * this function should perform FUNC, PORT or COMMON HW
8350 * reset.
8351 */
8352 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8353
8354 /*
8355 * (assumption: No Attention from MCP at this stage)
8356 * PMF probably in the middle of TXdisable/enable transaction
8357 */
8358 rc = bnx2x_func_wait_started(bp);
8359 if (rc) {
8360 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8361#ifdef BNX2X_STOP_ON_ERROR
8362 return;
8363#endif
8364 }
8365
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008366 /* Close multi and leading connections
8367 * Completions for ramrods are collected in a synchronous way
8368 */
8369 for_each_queue(bp, i)
8370 if (bnx2x_stop_queue(bp, i))
8371#ifdef BNX2X_STOP_ON_ERROR
8372 return;
8373#else
8374 goto unload_error;
8375#endif
8376 /* If SP settings didn't get completed so far - something
8377 * very wrong has happen.
8378 */
8379 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8380 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8381
8382#ifndef BNX2X_STOP_ON_ERROR
8383unload_error:
8384#endif
8385 rc = bnx2x_func_stop(bp);
8386 if (rc) {
8387 BNX2X_ERR("Function stop failed!\n");
8388#ifdef BNX2X_STOP_ON_ERROR
8389 return;
8390#endif
8391 }
8392
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008393 /* Disable HW interrupts, NAPI */
8394 bnx2x_netif_stop(bp, 1);
8395
8396 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008397 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008398
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008399 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008400 rc = bnx2x_reset_hw(bp, reset_code);
8401 if (rc)
8402 BNX2X_ERR("HW_RESET failed\n");
8403
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008404
8405 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008406 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008407}
8408
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008409void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008410{
8411 u32 val;
8412
Merav Sicron51c1a582012-03-18 10:33:38 +00008413 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008414
8415 if (CHIP_IS_E1(bp)) {
8416 int port = BP_PORT(bp);
8417 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8418 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8419
8420 val = REG_RD(bp, addr);
8421 val &= ~(0x300);
8422 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008423 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008424 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8425 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8426 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8427 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8428 }
8429}
8430
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008431/* Close gates #2, #3 and #4: */
8432static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8433{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008434 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008435
8436 /* Gates #2 and #4a are closed/opened for "not E1" only */
8437 if (!CHIP_IS_E1(bp)) {
8438 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008439 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008440 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008441 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008442 }
8443
8444 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008445 if (CHIP_IS_E1x(bp)) {
8446 /* Prevent interrupts from HC on both ports */
8447 val = REG_RD(bp, HC_REG_CONFIG_1);
8448 REG_WR(bp, HC_REG_CONFIG_1,
8449 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8450 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8451
8452 val = REG_RD(bp, HC_REG_CONFIG_0);
8453 REG_WR(bp, HC_REG_CONFIG_0,
8454 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8455 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8456 } else {
8457 /* Prevent incomming interrupts in IGU */
8458 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8459
8460 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8461 (!close) ?
8462 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8463 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8464 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008465
Merav Sicron51c1a582012-03-18 10:33:38 +00008466 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008467 close ? "closing" : "opening");
8468 mmiowb();
8469}
8470
8471#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8472
8473static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8474{
8475 /* Do some magic... */
8476 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8477 *magic_val = val & SHARED_MF_CLP_MAGIC;
8478 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8479}
8480
Dmitry Kravkove8920672011-05-04 23:52:40 +00008481/**
8482 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008483 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008484 * @bp: driver handle
8485 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008486 */
8487static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8488{
8489 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008490 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8491 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8492 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8493}
8494
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008495/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008496 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008497 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008498 * @bp: driver handle
8499 * @magic_val: old value of 'magic' bit.
8500 *
8501 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008502 */
8503static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8504{
8505 u32 shmem;
8506 u32 validity_offset;
8507
Merav Sicron51c1a582012-03-18 10:33:38 +00008508 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008509
8510 /* Set `magic' bit in order to save MF config */
8511 if (!CHIP_IS_E1(bp))
8512 bnx2x_clp_reset_prep(bp, magic_val);
8513
8514 /* Get shmem offset */
8515 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8516 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8517
8518 /* Clear validity map flags */
8519 if (shmem > 0)
8520 REG_WR(bp, shmem + validity_offset, 0);
8521}
8522
8523#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8524#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8525
Dmitry Kravkove8920672011-05-04 23:52:40 +00008526/**
8527 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008528 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008529 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008530 */
Eric Dumazet1191cb82012-04-27 21:39:21 +00008531static void bnx2x_mcp_wait_one(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008532{
8533 /* special handling for emulation and FPGA,
8534 wait 10 times longer */
8535 if (CHIP_REV_IS_SLOW(bp))
8536 msleep(MCP_ONE_TIMEOUT*10);
8537 else
8538 msleep(MCP_ONE_TIMEOUT);
8539}
8540
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008541/*
8542 * initializes bp->common.shmem_base and waits for validity signature to appear
8543 */
8544static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008545{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008546 int cnt = 0;
8547 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008548
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008549 do {
8550 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8551 if (bp->common.shmem_base) {
8552 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8553 if (val & SHR_MEM_VALIDITY_MB)
8554 return 0;
8555 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008556
8557 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008558
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008559 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008560
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008561 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008562
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008563 return -ENODEV;
8564}
8565
8566static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8567{
8568 int rc = bnx2x_init_shmem(bp);
8569
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008570 /* Restore the `magic' bit value */
8571 if (!CHIP_IS_E1(bp))
8572 bnx2x_clp_reset_done(bp, magic_val);
8573
8574 return rc;
8575}
8576
8577static void bnx2x_pxp_prep(struct bnx2x *bp)
8578{
8579 if (!CHIP_IS_E1(bp)) {
8580 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8581 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008582 mmiowb();
8583 }
8584}
8585
8586/*
8587 * Reset the whole chip except for:
8588 * - PCIE core
8589 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8590 * one reset bit)
8591 * - IGU
8592 * - MISC (including AEU)
8593 * - GRC
8594 * - RBCN, RBCP
8595 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008596static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008597{
8598 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008599 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008600
8601 /*
8602 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8603 * (per chip) blocks.
8604 */
8605 global_bits2 =
8606 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8607 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008608
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008609 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008610 not_reset_mask1 =
8611 MISC_REGISTERS_RESET_REG_1_RST_HC |
8612 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8613 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8614
8615 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008616 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008617 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8618 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8619 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8620 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8621 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8622 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008623 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8624 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8625 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008626
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008627 /*
8628 * Keep the following blocks in reset:
8629 * - all xxMACs are handled by the bnx2x_link code.
8630 */
8631 stay_reset2 =
8632 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8633 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8634 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8635 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8636 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8637 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8638 MISC_REGISTERS_RESET_REG_2_XMAC |
8639 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8640
8641 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008642 reset_mask1 = 0xffffffff;
8643
8644 if (CHIP_IS_E1(bp))
8645 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008646 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008647 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008648 else if (CHIP_IS_E2(bp))
8649 reset_mask2 = 0xfffff;
8650 else /* CHIP_IS_E3 */
8651 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008652
8653 /* Don't reset global blocks unless we need to */
8654 if (!global)
8655 reset_mask2 &= ~global_bits2;
8656
8657 /*
8658 * In case of attention in the QM, we need to reset PXP
8659 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8660 * because otherwise QM reset would release 'close the gates' shortly
8661 * before resetting the PXP, then the PSWRQ would send a write
8662 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8663 * read the payload data from PSWWR, but PSWWR would not
8664 * respond. The write queue in PGLUE would stuck, dmae commands
8665 * would not return. Therefore it's important to reset the second
8666 * reset register (containing the
8667 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8668 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8669 * bit).
8670 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008671 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8672 reset_mask2 & (~not_reset_mask2));
8673
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008674 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8675 reset_mask1 & (~not_reset_mask1));
8676
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008677 barrier();
8678 mmiowb();
8679
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008680 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8681 reset_mask2 & (~stay_reset2));
8682
8683 barrier();
8684 mmiowb();
8685
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008686 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008687 mmiowb();
8688}
8689
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008690/**
8691 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8692 * It should get cleared in no more than 1s.
8693 *
8694 * @bp: driver handle
8695 *
8696 * It should get cleared in no more than 1s. Returns 0 if
8697 * pending writes bit gets cleared.
8698 */
8699static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8700{
8701 u32 cnt = 1000;
8702 u32 pend_bits = 0;
8703
8704 do {
8705 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8706
8707 if (pend_bits == 0)
8708 break;
8709
8710 usleep_range(1000, 1000);
8711 } while (cnt-- > 0);
8712
8713 if (cnt <= 0) {
8714 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8715 pend_bits);
8716 return -EBUSY;
8717 }
8718
8719 return 0;
8720}
8721
8722static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008723{
8724 int cnt = 1000;
8725 u32 val = 0;
8726 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8727
8728
8729 /* Empty the Tetris buffer, wait for 1s */
8730 do {
8731 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8732 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8733 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8734 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8735 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8736 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8737 ((port_is_idle_0 & 0x1) == 0x1) &&
8738 ((port_is_idle_1 & 0x1) == 0x1) &&
8739 (pgl_exp_rom2 == 0xffffffff))
8740 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008741 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008742 } while (cnt-- > 0);
8743
8744 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008745 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
8746 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 +00008747 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8748 pgl_exp_rom2);
8749 return -EAGAIN;
8750 }
8751
8752 barrier();
8753
8754 /* Close gates #2, #3 and #4 */
8755 bnx2x_set_234_gates(bp, true);
8756
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008757 /* Poll for IGU VQs for 57712 and newer chips */
8758 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8759 return -EAGAIN;
8760
8761
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008762 /* TBD: Indicate that "process kill" is in progress to MCP */
8763
8764 /* Clear "unprepared" bit */
8765 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8766 barrier();
8767
8768 /* Make sure all is written to the chip before the reset */
8769 mmiowb();
8770
8771 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8772 * PSWHST, GRC and PSWRD Tetris buffer.
8773 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008774 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008775
8776 /* Prepare to chip reset: */
8777 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008778 if (global)
8779 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008780
8781 /* PXP */
8782 bnx2x_pxp_prep(bp);
8783 barrier();
8784
8785 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008786 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008787 barrier();
8788
8789 /* Recover after reset: */
8790 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008791 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008792 return -EAGAIN;
8793
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008794 /* TBD: Add resetting the NO_MCP mode DB here */
8795
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008796 /* PXP */
8797 bnx2x_pxp_prep(bp);
8798
8799 /* Open the gates #2, #3 and #4 */
8800 bnx2x_set_234_gates(bp, false);
8801
8802 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8803 * reset state, re-enable attentions. */
8804
8805 return 0;
8806}
8807
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008808int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008809{
8810 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008811 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008812 u32 load_code;
8813
8814 /* if not going to reset MCP - load "fake" driver to reset HW while
8815 * driver is owner of the HW
8816 */
8817 if (!global && !BP_NOMCP(bp)) {
8818 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8819 if (!load_code) {
8820 BNX2X_ERR("MCP response failure, aborting\n");
8821 rc = -EAGAIN;
8822 goto exit_leader_reset;
8823 }
8824 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8825 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8826 BNX2X_ERR("MCP unexpected resp, aborting\n");
8827 rc = -EAGAIN;
8828 goto exit_leader_reset2;
8829 }
8830 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8831 if (!load_code) {
8832 BNX2X_ERR("MCP response failure, aborting\n");
8833 rc = -EAGAIN;
8834 goto exit_leader_reset2;
8835 }
8836 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008837
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008838 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008839 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008840 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
8841 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008842 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008843 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008844 }
8845
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008846 /*
8847 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8848 * state.
8849 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008850 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008851 if (global)
8852 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008853
Ariel Elior95c6c6162012-01-26 06:01:52 +00008854exit_leader_reset2:
8855 /* unload "fake driver" if it was loaded */
8856 if (!global && !BP_NOMCP(bp)) {
8857 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8858 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8859 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008860exit_leader_reset:
8861 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008862 bnx2x_release_leader_lock(bp);
8863 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008864 return rc;
8865}
8866
Eric Dumazet1191cb82012-04-27 21:39:21 +00008867static void bnx2x_recovery_failed(struct bnx2x *bp)
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008868{
8869 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8870
8871 /* Disconnect this device */
8872 netif_device_detach(bp->dev);
8873
8874 /*
8875 * Block ifup for all function on this engine until "process kill"
8876 * or power cycle.
8877 */
8878 bnx2x_set_reset_in_progress(bp);
8879
8880 /* Shut down the power */
8881 bnx2x_set_power_state(bp, PCI_D3hot);
8882
8883 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8884
8885 smp_mb();
8886}
8887
8888/*
8889 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008890 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008891 * will never be called when netif_running(bp->dev) is false.
8892 */
8893static void bnx2x_parity_recover(struct bnx2x *bp)
8894{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008895 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008896 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008897 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008898
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008899 DP(NETIF_MSG_HW, "Handling parity\n");
8900 while (1) {
8901 switch (bp->recovery_state) {
8902 case BNX2X_RECOVERY_INIT:
8903 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008904 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8905 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008906
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008907 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008908 if (bnx2x_trylock_leader_lock(bp)) {
8909 bnx2x_set_reset_in_progress(bp);
8910 /*
8911 * Check if there is a global attention and if
8912 * there was a global attention, set the global
8913 * reset bit.
8914 */
8915
8916 if (global)
8917 bnx2x_set_reset_global(bp);
8918
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008919 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008920 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008921
8922 /* Stop the driver */
8923 /* If interface has been removed - break */
8924 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8925 return;
8926
8927 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008928
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008929 /* Ensure "is_leader", MCP command sequence and
8930 * "recovery_state" update values are seen on other
8931 * CPUs.
8932 */
8933 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008934 break;
8935
8936 case BNX2X_RECOVERY_WAIT:
8937 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8938 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008939 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008940 bool other_load_status =
8941 bnx2x_get_load_status(bp, other_engine);
8942 bool load_status =
8943 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008944 global = bnx2x_reset_is_global(bp);
8945
8946 /*
8947 * In case of a parity in a global block, let
8948 * the first leader that performs a
8949 * leader_reset() reset the global blocks in
8950 * order to clear global attentions. Otherwise
8951 * the the gates will remain closed for that
8952 * engine.
8953 */
Ariel Elior889b9af2012-01-26 06:01:51 +00008954 if (load_status ||
8955 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008956 /* Wait until all other functions get
8957 * down.
8958 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008959 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008960 HZ/10);
8961 return;
8962 } else {
8963 /* If all other functions got down -
8964 * try to bring the chip back to
8965 * normal. In any case it's an exit
8966 * point for a leader.
8967 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008968 if (bnx2x_leader_reset(bp)) {
8969 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008970 return;
8971 }
8972
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008973 /* If we are here, means that the
8974 * leader has succeeded and doesn't
8975 * want to be a leader any more. Try
8976 * to continue as a none-leader.
8977 */
8978 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008979 }
8980 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008981 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008982 /* Try to get a LEADER_LOCK HW lock as
8983 * long as a former leader may have
8984 * been unloaded by the user or
8985 * released a leadership by another
8986 * reason.
8987 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008988 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008989 /* I'm a leader now! Restart a
8990 * switch case.
8991 */
8992 bp->is_leader = 1;
8993 break;
8994 }
8995
Ariel Elior7be08a72011-07-14 08:31:19 +00008996 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008997 HZ/10);
8998 return;
8999
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009000 } else {
9001 /*
9002 * If there was a global attention, wait
9003 * for it to be cleared.
9004 */
9005 if (bnx2x_reset_is_global(bp)) {
9006 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00009007 &bp->sp_rtnl_task,
9008 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009009 return;
9010 }
9011
Ariel Elior7a752992012-01-26 06:01:53 +00009012 error_recovered =
9013 bp->eth_stats.recoverable_error;
9014 error_unrecovered =
9015 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009016 bp->recovery_state =
9017 BNX2X_RECOVERY_NIC_LOADING;
9018 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00009019 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00009020 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00009021 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00009022 /* Disconnect this device */
9023 netif_device_detach(bp->dev);
9024 /* Shut down the power */
9025 bnx2x_set_power_state(
9026 bp, PCI_D3hot);
9027 smp_mb();
9028 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009029 bp->recovery_state =
9030 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00009031 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009032 smp_mb();
9033 }
Ariel Elior7a752992012-01-26 06:01:53 +00009034 bp->eth_stats.recoverable_error =
9035 error_recovered;
9036 bp->eth_stats.unrecoverable_error =
9037 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00009038
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009039 return;
9040 }
9041 }
9042 default:
9043 return;
9044 }
9045 }
9046}
9047
Michal Schmidt56ad3152012-02-16 02:38:48 +00009048static int bnx2x_close(struct net_device *dev);
9049
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009050/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
9051 * scheduled on a general queue in order to prevent a dead lock.
9052 */
Ariel Elior7be08a72011-07-14 08:31:19 +00009053static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009054{
Ariel Elior7be08a72011-07-14 08:31:19 +00009055 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009056
9057 rtnl_lock();
9058
9059 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00009060 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009061
Ariel Elior7be08a72011-07-14 08:31:19 +00009062 /* if stop on error is defined no recovery flows should be executed */
9063#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00009064 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 +00009065 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009066 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00009067#endif
9068
9069 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
9070 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009071 * Clear all pending SP commands as we are going to reset the
9072 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00009073 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009074 bp->sp_rtnl_state = 0;
9075 smp_mb();
9076
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009077 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009078
9079 goto sp_rtnl_exit;
9080 }
9081
9082 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
9083 /*
9084 * Clear all pending SP commands as we are going to reset the
9085 * function anyway.
9086 */
9087 bp->sp_rtnl_state = 0;
9088 smp_mb();
9089
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009090 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9091 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009092
9093 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009094 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00009095#ifdef BNX2X_STOP_ON_ERROR
9096sp_rtnl_not_reset:
9097#endif
9098 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
9099 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Barak Witkowskia3348722012-04-23 03:04:46 +00009100 if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
9101 bnx2x_after_function_update(bp);
Ariel Elior83048592011-11-13 04:34:29 +00009102 /*
9103 * in case of fan failure we need to reset id if the "stop on error"
9104 * debug flag is set, since we trying to prevent permanent overheating
9105 * damage
9106 */
9107 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009108 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00009109 netif_device_detach(bp->dev);
9110 bnx2x_close(bp->dev);
9111 }
9112
Ariel Elior7be08a72011-07-14 08:31:19 +00009113sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009114 rtnl_unlock();
9115}
9116
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009117/* end of nic load/unload */
9118
Yaniv Rosner3deb8162011-06-14 01:34:33 +00009119static void bnx2x_period_task(struct work_struct *work)
9120{
9121 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
9122
9123 if (!netif_running(bp->dev))
9124 goto period_task_exit;
9125
9126 if (CHIP_REV_IS_SLOW(bp)) {
9127 BNX2X_ERR("period task called on emulation, ignoring\n");
9128 goto period_task_exit;
9129 }
9130
9131 bnx2x_acquire_phy_lock(bp);
9132 /*
9133 * The barrier is needed to ensure the ordering between the writing to
9134 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
9135 * the reading here.
9136 */
9137 smp_mb();
9138 if (bp->port.pmf) {
9139 bnx2x_period_func(&bp->link_params, &bp->link_vars);
9140
9141 /* Re-queue task in 1 sec */
9142 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
9143 }
9144
9145 bnx2x_release_phy_lock(bp);
9146period_task_exit:
9147 return;
9148}
9149
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009150/*
9151 * Init service functions
9152 */
9153
stephen hemminger8d962862010-10-21 07:50:56 +00009154static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009155{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009156 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
9157 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
9158 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009159}
9160
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009161static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009162{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009163 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009164
9165 /* Flush all outstanding writes */
9166 mmiowb();
9167
9168 /* Pretend to be function 0 */
9169 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009170 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009171
9172 /* From now we are in the "like-E1" mode */
9173 bnx2x_int_disable(bp);
9174
9175 /* Flush all outstanding writes */
9176 mmiowb();
9177
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009178 /* Restore the original function */
9179 REG_WR(bp, reg, BP_ABS_FUNC(bp));
9180 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009181}
9182
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009183static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009184{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009185 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009186 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009187 else
9188 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00009189}
9190
Yuval Mintz452427b2012-03-26 20:47:07 +00009191static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009192{
Yuval Mintz452427b2012-03-26 20:47:07 +00009193 u32 val, base_addr, offset, mask, reset_reg;
9194 bool mac_stopped = false;
9195 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009196
Yuval Mintz452427b2012-03-26 20:47:07 +00009197 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04009198
Yuval Mintz452427b2012-03-26 20:47:07 +00009199 if (!CHIP_IS_E3(bp)) {
9200 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
9201 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
9202 if ((mask & reset_reg) && val) {
9203 u32 wb_data[2];
9204 BNX2X_DEV_INFO("Disable bmac Rx\n");
9205 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
9206 : NIG_REG_INGRESS_BMAC0_MEM;
9207 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
9208 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00009209
Yuval Mintz452427b2012-03-26 20:47:07 +00009210 /*
9211 * use rd/wr since we cannot use dmae. This is safe
9212 * since MCP won't access the bus due to the request
9213 * to unload, and no function on the path can be
9214 * loaded at this time.
9215 */
9216 wb_data[0] = REG_RD(bp, base_addr + offset);
9217 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
9218 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
9219 REG_WR(bp, base_addr + offset, wb_data[0]);
9220 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009221
Yuval Mintz452427b2012-03-26 20:47:07 +00009222 }
9223 BNX2X_DEV_INFO("Disable emac Rx\n");
9224 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00009225
Yuval Mintz452427b2012-03-26 20:47:07 +00009226 mac_stopped = true;
9227 } else {
9228 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
9229 BNX2X_DEV_INFO("Disable xmac Rx\n");
9230 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
9231 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
9232 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9233 val & ~(1 << 1));
9234 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
9235 val | (1 << 1));
9236 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
9237 mac_stopped = true;
9238 }
9239 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
9240 if (mask & reset_reg) {
9241 BNX2X_DEV_INFO("Disable umac Rx\n");
9242 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
9243 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
9244 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04009245 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009246 }
Ariel Eliorf16da432012-01-26 06:01:50 +00009247
Yuval Mintz452427b2012-03-26 20:47:07 +00009248 if (mac_stopped)
9249 msleep(20);
9250
9251}
9252
9253#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
9254#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
9255#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
9256#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
9257
9258static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port,
9259 u8 inc)
9260{
9261 u16 rcq, bd;
9262 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
9263
9264 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
9265 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
9266
9267 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
9268 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
9269
9270 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
9271 port, bd, rcq);
9272}
9273
9274static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp)
9275{
9276 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9277 if (!rc) {
9278 BNX2X_ERR("MCP response failure, aborting\n");
9279 return -EBUSY;
9280 }
9281
9282 return 0;
9283}
9284
9285static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp)
9286{
9287 struct bnx2x_prev_path_list *tmp_list;
9288 int rc = false;
9289
9290 if (down_trylock(&bnx2x_prev_sem))
9291 return false;
9292
9293 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
9294 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
9295 bp->pdev->bus->number == tmp_list->bus &&
9296 BP_PATH(bp) == tmp_list->path) {
9297 rc = true;
9298 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
9299 BP_PATH(bp));
9300 break;
9301 }
9302 }
9303
9304 up(&bnx2x_prev_sem);
9305
9306 return rc;
9307}
9308
9309static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
9310{
9311 struct bnx2x_prev_path_list *tmp_list;
9312 int rc;
9313
9314 tmp_list = (struct bnx2x_prev_path_list *)
9315 kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
9316 if (!tmp_list) {
9317 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
9318 return -ENOMEM;
9319 }
9320
9321 tmp_list->bus = bp->pdev->bus->number;
9322 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
9323 tmp_list->path = BP_PATH(bp);
9324
9325 rc = down_interruptible(&bnx2x_prev_sem);
9326 if (rc) {
9327 BNX2X_ERR("Received %d when tried to take lock\n", rc);
9328 kfree(tmp_list);
9329 } else {
9330 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
9331 BP_PATH(bp));
9332 list_add(&tmp_list->list, &bnx2x_prev_list);
9333 up(&bnx2x_prev_sem);
9334 }
9335
9336 return rc;
9337}
9338
9339static bool __devinit bnx2x_can_flr(struct bnx2x *bp)
9340{
9341 int pos;
9342 u32 cap;
9343 struct pci_dev *dev = bp->pdev;
9344
9345 pos = pci_pcie_cap(dev);
9346 if (!pos)
9347 return false;
9348
9349 pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP, &cap);
9350 if (!(cap & PCI_EXP_DEVCAP_FLR))
9351 return false;
9352
9353 return true;
9354}
9355
9356static int __devinit bnx2x_do_flr(struct bnx2x *bp)
9357{
9358 int i, pos;
9359 u16 status;
9360 struct pci_dev *dev = bp->pdev;
9361
9362 /* probe the capability first */
9363 if (bnx2x_can_flr(bp))
9364 return -ENOTTY;
9365
9366 pos = pci_pcie_cap(dev);
9367 if (!pos)
9368 return -ENOTTY;
9369
9370 /* Wait for Transaction Pending bit clean */
9371 for (i = 0; i < 4; i++) {
9372 if (i)
9373 msleep((1 << (i - 1)) * 100);
9374
9375 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
9376 if (!(status & PCI_EXP_DEVSTA_TRPND))
9377 goto clear;
9378 }
9379
9380 dev_err(&dev->dev,
9381 "transaction is not cleared; proceeding with reset anyway\n");
9382
9383clear:
9384 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9385 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9386 bp->common.bc_ver);
9387 return -EINVAL;
9388 }
9389
9390 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9391
9392 return 0;
9393}
9394
9395static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9396{
9397 int rc;
9398
9399 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9400
9401 /* Test if previous unload process was already finished for this path */
9402 if (bnx2x_prev_is_path_marked(bp))
9403 return bnx2x_prev_mcp_done(bp);
9404
9405 /* If function has FLR capabilities, and existing FW version matches
9406 * the one required, then FLR will be sufficient to clean any residue
9407 * left by previous driver
9408 */
9409 if (bnx2x_test_firmware_version(bp, false) && bnx2x_can_flr(bp))
9410 return bnx2x_do_flr(bp);
9411
9412 /* Close the MCP request, return failure*/
9413 rc = bnx2x_prev_mcp_done(bp);
9414 if (!rc)
9415 rc = BNX2X_PREV_WAIT_NEEDED;
9416
9417 return rc;
9418}
9419
9420static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9421{
9422 u32 reset_reg, tmp_reg = 0, rc;
9423 /* It is possible a previous function received 'common' answer,
9424 * but hasn't loaded yet, therefore creating a scenario of
9425 * multiple functions receiving 'common' on the same path.
9426 */
9427 BNX2X_DEV_INFO("Common unload Flow\n");
9428
9429 if (bnx2x_prev_is_path_marked(bp))
9430 return bnx2x_prev_mcp_done(bp);
9431
9432 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9433
9434 /* Reset should be performed after BRB is emptied */
9435 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9436 u32 timer_count = 1000;
9437 bool prev_undi = false;
9438
9439 /* Close the MAC Rx to prevent BRB from filling up */
9440 bnx2x_prev_unload_close_mac(bp);
9441
9442 /* Check if the UNDI driver was previously loaded
9443 * UNDI driver initializes CID offset for normal bell to 0x7
9444 */
9445 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9446 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9447 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9448 if (tmp_reg == 0x7) {
9449 BNX2X_DEV_INFO("UNDI previously loaded\n");
9450 prev_undi = true;
9451 /* clear the UNDI indication */
9452 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9453 }
9454 }
9455 /* wait until BRB is empty */
9456 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9457 while (timer_count) {
9458 u32 prev_brb = tmp_reg;
9459
9460 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9461 if (!tmp_reg)
9462 break;
9463
9464 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9465
9466 /* reset timer as long as BRB actually gets emptied */
9467 if (prev_brb > tmp_reg)
9468 timer_count = 1000;
9469 else
9470 timer_count--;
9471
9472 /* If UNDI resides in memory, manually increment it */
9473 if (prev_undi)
9474 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9475
9476 udelay(10);
9477 }
9478
9479 if (!timer_count)
9480 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9481
9482 }
9483
9484 /* No packets are in the pipeline, path is ready for reset */
9485 bnx2x_reset_common(bp);
9486
9487 rc = bnx2x_prev_mark_path(bp);
9488 if (rc) {
9489 bnx2x_prev_mcp_done(bp);
9490 return rc;
9491 }
9492
9493 return bnx2x_prev_mcp_done(bp);
9494}
9495
Ariel Elior24f06712012-05-06 07:05:57 +00009496/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9497 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9498 * the addresses of the transaction, resulting in was-error bit set in the pci
9499 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9500 * to clear the interrupt which detected this from the pglueb and the was done
9501 * bit
9502 */
9503static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9504{
9505 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9506 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9507 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9508 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
9509 }
9510}
9511
Yuval Mintz452427b2012-03-26 20:47:07 +00009512static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9513{
9514 int time_counter = 10;
9515 u32 rc, fw, hw_lock_reg, hw_lock_val;
9516 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9517
Ariel Elior24f06712012-05-06 07:05:57 +00009518 /* clear hw from errors which may have resulted from an interrupted
9519 * dmae transaction.
9520 */
9521 bnx2x_prev_interrupted_dmae(bp);
9522
9523 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009524 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9525 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9526 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9527
9528 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9529 if (hw_lock_val) {
9530 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9531 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9532 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9533 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9534 }
9535
9536 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9537 REG_WR(bp, hw_lock_reg, 0xffffffff);
9538 } else
9539 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9540
9541 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9542 BNX2X_DEV_INFO("Release previously held alr\n");
9543 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9544 }
9545
9546
9547 do {
9548 /* Lock MCP using an unload request */
9549 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9550 if (!fw) {
9551 BNX2X_ERR("MCP response failure, aborting\n");
9552 rc = -EBUSY;
9553 break;
9554 }
9555
9556 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9557 rc = bnx2x_prev_unload_common(bp);
9558 break;
9559 }
9560
9561 /* non-common reply from MCP night require looping */
9562 rc = bnx2x_prev_unload_uncommon(bp);
9563 if (rc != BNX2X_PREV_WAIT_NEEDED)
9564 break;
9565
9566 msleep(20);
9567 } while (--time_counter);
9568
9569 if (!time_counter || rc) {
9570 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9571 rc = -EBUSY;
9572 }
9573
9574 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9575
9576 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009577}
9578
9579static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9580{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009581 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009582 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009583
9584 /* Get the chip revision id and number. */
9585 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9586 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9587 id = ((val & 0xffff) << 16);
9588 val = REG_RD(bp, MISC_REG_CHIP_REV);
9589 id |= ((val & 0xf) << 12);
9590 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9591 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009592 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009593 id |= (val & 0xf);
9594 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009595
Barak Witkowski7e8e02d2012-04-03 18:41:28 +00009596 /* force 57811 according to MISC register */
9597 if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
9598 if (CHIP_IS_57810(bp))
9599 bp->common.chip_id = (CHIP_NUM_57811 << 16) |
9600 (bp->common.chip_id & 0x0000FFFF);
9601 else if (CHIP_IS_57810_MF(bp))
9602 bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
9603 (bp->common.chip_id & 0x0000FFFF);
9604 bp->common.chip_id |= 0x1;
9605 }
9606
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009607 /* Set doorbell size */
9608 bp->db_size = (1 << BNX2X_DB_SHIFT);
9609
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009610 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009611 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9612 if ((val & 1) == 0)
9613 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9614 else
9615 val = (val >> 1) & 1;
9616 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9617 "2_PORT_MODE");
9618 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9619 CHIP_2_PORT_MODE;
9620
9621 if (CHIP_MODE_IS_4_PORT(bp))
9622 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9623 else
9624 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9625 } else {
9626 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9627 bp->pfid = bp->pf_num; /* 0..7 */
9628 }
9629
Merav Sicron51c1a582012-03-18 10:33:38 +00009630 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9631
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009632 bp->link_params.chip_id = bp->common.chip_id;
9633 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009634
Eilon Greenstein1c063282009-02-12 08:36:43 +00009635 val = (REG_RD(bp, 0x2874) & 0x55);
9636 if ((bp->common.chip_id & 0x1) ||
9637 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9638 bp->flags |= ONE_PORT_FLAG;
9639 BNX2X_DEV_INFO("single port device\n");
9640 }
9641
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009642 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009643 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009644 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9645 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9646 bp->common.flash_size, bp->common.flash_size);
9647
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009648 bnx2x_init_shmem(bp);
9649
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009650
9651
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009652 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9653 MISC_REG_GENERIC_CR_1 :
9654 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009655
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009656 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009657 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009658 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9659 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009660
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009661 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009662 BNX2X_DEV_INFO("MCP not active\n");
9663 bp->flags |= NO_MCP_FLAG;
9664 return;
9665 }
9666
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009667 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009668 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009669
9670 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9671 SHARED_HW_CFG_LED_MODE_MASK) >>
9672 SHARED_HW_CFG_LED_MODE_SHIFT);
9673
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009674 bp->link_params.feature_config_flags = 0;
9675 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9676 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9677 bp->link_params.feature_config_flags |=
9678 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9679 else
9680 bp->link_params.feature_config_flags &=
9681 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9682
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009683 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9684 bp->common.bc_ver = val;
9685 BNX2X_DEV_INFO("bc_ver %X\n", val);
9686 if (val < BNX2X_BC_VER) {
9687 /* for now only warn
9688 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009689 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9690 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009691 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009692 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009693 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009694 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9695
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009696 bp->link_params.feature_config_flags |=
9697 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9698 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Barak Witkowskia3348722012-04-23 03:04:46 +00009699 bp->link_params.feature_config_flags |=
9700 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
9701 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009702 bp->link_params.feature_config_flags |=
9703 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9704 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009705 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9706 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009707
Barak Witkowski1d187b32011-12-05 22:41:50 +00009708 boot_mode = SHMEM_RD(bp,
9709 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9710 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9711 switch (boot_mode) {
9712 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9713 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9714 break;
9715 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9716 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9717 break;
9718 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9719 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9720 break;
9721 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9722 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9723 break;
9724 }
9725
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009726 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9727 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9728
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009729 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009730 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009731
9732 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9733 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9734 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9735 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9736
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009737 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9738 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009739}
9740
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009741#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9742#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9743
9744static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9745{
9746 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009747 int igu_sb_id;
9748 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009749 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009750
9751 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009752 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009753 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009754 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009755 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9756 FP_SB_MAX_E1x;
9757
9758 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9759 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9760
9761 return;
9762 }
9763
9764 /* IGU in normal mode - read CAM */
9765 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9766 igu_sb_id++) {
9767 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9768 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9769 continue;
9770 fid = IGU_FID(val);
9771 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9772 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9773 continue;
9774 if (IGU_VEC(val) == 0)
9775 /* default status block */
9776 bp->igu_dsb_id = igu_sb_id;
9777 else {
9778 if (bp->igu_base_sb == 0xff)
9779 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009780 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009781 }
9782 }
9783 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009784
Ariel Elior6383c0b2011-07-14 08:31:57 +00009785#ifdef CONFIG_PCI_MSI
9786 /*
9787 * It's expected that number of CAM entries for this functions is equal
9788 * to the number evaluated based on the MSI-X table size. We want a
9789 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009790 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009791 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9792#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009793
Ariel Elior6383c0b2011-07-14 08:31:57 +00009794 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009795 BNX2X_ERR("CAM configuration error\n");
9796}
9797
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009798static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9799 u32 switch_cfg)
9800{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009801 int cfg_size = 0, idx, port = BP_PORT(bp);
9802
9803 /* Aggregation of supported attributes of all external phys */
9804 bp->port.supported[0] = 0;
9805 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009806 switch (bp->link_params.num_phys) {
9807 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009808 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9809 cfg_size = 1;
9810 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009811 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009812 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9813 cfg_size = 1;
9814 break;
9815 case 3:
9816 if (bp->link_params.multi_phy_config &
9817 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9818 bp->port.supported[1] =
9819 bp->link_params.phy[EXT_PHY1].supported;
9820 bp->port.supported[0] =
9821 bp->link_params.phy[EXT_PHY2].supported;
9822 } else {
9823 bp->port.supported[0] =
9824 bp->link_params.phy[EXT_PHY1].supported;
9825 bp->port.supported[1] =
9826 bp->link_params.phy[EXT_PHY2].supported;
9827 }
9828 cfg_size = 2;
9829 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009830 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009831
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009832 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009833 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009834 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009835 dev_info.port_hw_config[port].external_phy_config),
9836 SHMEM_RD(bp,
9837 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009838 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009839 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009840
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009841 if (CHIP_IS_E3(bp))
9842 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9843 else {
9844 switch (switch_cfg) {
9845 case SWITCH_CFG_1G:
9846 bp->port.phy_addr = REG_RD(
9847 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9848 break;
9849 case SWITCH_CFG_10G:
9850 bp->port.phy_addr = REG_RD(
9851 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9852 break;
9853 default:
9854 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9855 bp->port.link_config[0]);
9856 return;
9857 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009858 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009859 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009860 /* mask what we support according to speed_cap_mask per configuration */
9861 for (idx = 0; idx < cfg_size; idx++) {
9862 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009863 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009864 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009865
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009866 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009867 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009868 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009869
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009870 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009871 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009872 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009873
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009874 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009875 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009876 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009877
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009878 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009879 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009880 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009881 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009882
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009883 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009884 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009885 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009886
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009887 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009888 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009889 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009890
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009891 }
9892
9893 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9894 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009895}
9896
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009897static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009898{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009899 u32 link_config, idx, cfg_size = 0;
9900 bp->port.advertising[0] = 0;
9901 bp->port.advertising[1] = 0;
9902 switch (bp->link_params.num_phys) {
9903 case 1:
9904 case 2:
9905 cfg_size = 1;
9906 break;
9907 case 3:
9908 cfg_size = 2;
9909 break;
9910 }
9911 for (idx = 0; idx < cfg_size; idx++) {
9912 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9913 link_config = bp->port.link_config[idx];
9914 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009915 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009916 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9917 bp->link_params.req_line_speed[idx] =
9918 SPEED_AUTO_NEG;
9919 bp->port.advertising[idx] |=
9920 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009921 if (bp->link_params.phy[EXT_PHY1].type ==
9922 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9923 bp->port.advertising[idx] |=
9924 (SUPPORTED_100baseT_Half |
9925 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009926 } else {
9927 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009928 bp->link_params.req_line_speed[idx] =
9929 SPEED_10000;
9930 bp->port.advertising[idx] |=
9931 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009932 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009933 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009934 }
9935 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009936
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009937 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009938 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9939 bp->link_params.req_line_speed[idx] =
9940 SPEED_10;
9941 bp->port.advertising[idx] |=
9942 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009943 ADVERTISED_TP);
9944 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009945 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009946 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009947 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009948 return;
9949 }
9950 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009951
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009952 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009953 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
9954 bp->link_params.req_line_speed[idx] =
9955 SPEED_10;
9956 bp->link_params.req_duplex[idx] =
9957 DUPLEX_HALF;
9958 bp->port.advertising[idx] |=
9959 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009960 ADVERTISED_TP);
9961 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009962 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009963 link_config,
9964 bp->link_params.speed_cap_mask[idx]);
9965 return;
9966 }
9967 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009968
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009969 case PORT_FEATURE_LINK_SPEED_100M_FULL:
9970 if (bp->port.supported[idx] &
9971 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009972 bp->link_params.req_line_speed[idx] =
9973 SPEED_100;
9974 bp->port.advertising[idx] |=
9975 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009976 ADVERTISED_TP);
9977 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009978 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009979 link_config,
9980 bp->link_params.speed_cap_mask[idx]);
9981 return;
9982 }
9983 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009984
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009985 case PORT_FEATURE_LINK_SPEED_100M_HALF:
9986 if (bp->port.supported[idx] &
9987 SUPPORTED_100baseT_Half) {
9988 bp->link_params.req_line_speed[idx] =
9989 SPEED_100;
9990 bp->link_params.req_duplex[idx] =
9991 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009992 bp->port.advertising[idx] |=
9993 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009994 ADVERTISED_TP);
9995 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009996 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009997 link_config,
9998 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009999 return;
10000 }
10001 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010002
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010003 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010004 if (bp->port.supported[idx] &
10005 SUPPORTED_1000baseT_Full) {
10006 bp->link_params.req_line_speed[idx] =
10007 SPEED_1000;
10008 bp->port.advertising[idx] |=
10009 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010010 ADVERTISED_TP);
10011 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010012 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010013 link_config,
10014 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010015 return;
10016 }
10017 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010018
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010019 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010020 if (bp->port.supported[idx] &
10021 SUPPORTED_2500baseX_Full) {
10022 bp->link_params.req_line_speed[idx] =
10023 SPEED_2500;
10024 bp->port.advertising[idx] |=
10025 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010026 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010027 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010028 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010029 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010030 bp->link_params.speed_cap_mask[idx]);
10031 return;
10032 }
10033 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010034
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010035 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010036 if (bp->port.supported[idx] &
10037 SUPPORTED_10000baseT_Full) {
10038 bp->link_params.req_line_speed[idx] =
10039 SPEED_10000;
10040 bp->port.advertising[idx] |=
10041 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010042 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010043 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +000010044 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010045 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010046 bp->link_params.speed_cap_mask[idx]);
10047 return;
10048 }
10049 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010050 case PORT_FEATURE_LINK_SPEED_20G:
10051 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010052
Yaniv Rosner3c9ada22011-06-14 01:34:12 +000010053 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010054 default:
Merav Sicron51c1a582012-03-18 10:33:38 +000010055 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010056 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010057 bp->link_params.req_line_speed[idx] =
10058 SPEED_AUTO_NEG;
10059 bp->port.advertising[idx] =
10060 bp->port.supported[idx];
10061 break;
10062 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010063
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010064 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010065 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010066 if ((bp->link_params.req_flow_ctrl[idx] ==
10067 BNX2X_FLOW_CTRL_AUTO) &&
10068 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
10069 bp->link_params.req_flow_ctrl[idx] =
10070 BNX2X_FLOW_CTRL_NONE;
10071 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010072
Merav Sicron51c1a582012-03-18 10:33:38 +000010073 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 +000010074 bp->link_params.req_line_speed[idx],
10075 bp->link_params.req_duplex[idx],
10076 bp->link_params.req_flow_ctrl[idx],
10077 bp->port.advertising[idx]);
10078 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010079}
10080
Michael Chane665bfd2009-10-10 13:46:54 +000010081static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
10082{
10083 mac_hi = cpu_to_be16(mac_hi);
10084 mac_lo = cpu_to_be32(mac_lo);
10085 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
10086 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
10087}
10088
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010089static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010090{
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010091 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +000010092 u32 config;
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010093 u32 ext_phy_type, ext_phy_config, eee_mode;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010094
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010095 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010096 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010097
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010098 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010099 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010100
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010101 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010102 SHMEM_RD(bp,
10103 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010104 bp->link_params.speed_cap_mask[1] =
10105 SHMEM_RD(bp,
10106 dev_info.port_hw_config[port].speed_capability_mask2);
10107 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010108 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
10109
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010110 bp->port.link_config[1] =
10111 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +000010112
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010113 bp->link_params.multi_phy_config =
10114 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010115 /* If the device is capable of WoL, set the default state according
10116 * to the HW
10117 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +000010118 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +000010119 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
10120 (config & PORT_FEATURE_WOL_ENABLED));
10121
Merav Sicron51c1a582012-03-18 10:33:38 +000010122 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010123 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010124 bp->link_params.speed_cap_mask[0],
10125 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010126
Yaniv Rosnera22f0782010-09-07 11:41:20 +000010127 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000010128 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010129 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010130 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010131
10132 bnx2x_link_settings_requested(bp);
10133
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010134 /*
10135 * If connected directly, work with the internal PHY, otherwise, work
10136 * with the external PHY
10137 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010138 ext_phy_config =
10139 SHMEM_RD(bp,
10140 dev_info.port_hw_config[port].external_phy_config);
10141 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010142 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010143 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010144
10145 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
10146 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
10147 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +000010148 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +000010149
10150 /*
10151 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
10152 * In MF mode, it is set to cover self test cases
10153 */
10154 if (IS_MF(bp))
10155 bp->port.need_hw_lock = 1;
10156 else
10157 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
10158 bp->common.shmem_base,
10159 bp->common.shmem2_base);
Yuval Mintzc8c60d82012-06-06 17:13:07 +000010160
10161 /* Configure link feature according to nvram value */
10162 eee_mode = (((SHMEM_RD(bp, dev_info.
10163 port_feature_config[port].eee_power_mode)) &
10164 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
10165 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
10166 if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
10167 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
10168 EEE_MODE_ENABLE_LPI |
10169 EEE_MODE_OUTPUT_TIME;
10170 } else {
10171 bp->link_params.eee_mode = 0;
10172 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010173}
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010174
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010175void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010176{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010177 u32 no_flags = NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010178#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010179 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010180
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010181 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010182 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010183
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010184 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010185 bp->cnic_eth_dev.max_iscsi_conn =
10186 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
10187 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
10188
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010189 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
10190 bp->cnic_eth_dev.max_iscsi_conn);
10191
10192 /*
10193 * If maximum allowed number of connections is zero -
10194 * disable the feature.
10195 */
10196 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010197 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010198#else
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010199 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010200#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010201}
10202
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010203#ifdef BCM_CNIC
10204static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
10205{
10206 /* Port info */
10207 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10208 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
10209 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10210 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
10211
10212 /* Node info */
10213 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10214 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
10215 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10216 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
10217}
10218#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010219static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
10220{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010221#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010222 int port = BP_PORT(bp);
10223 int func = BP_ABS_FUNC(bp);
10224
10225 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
10226 drv_lic_key[port].max_fcoe_conn);
10227
10228 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010229 bp->cnic_eth_dev.max_fcoe_conn =
10230 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
10231 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
10232
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010233 /* Read the WWN: */
10234 if (!IS_MF(bp)) {
10235 /* Port info */
10236 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
10237 SHMEM_RD(bp,
10238 dev_info.port_hw_config[port].
10239 fcoe_wwn_port_name_upper);
10240 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
10241 SHMEM_RD(bp,
10242 dev_info.port_hw_config[port].
10243 fcoe_wwn_port_name_lower);
10244
10245 /* Node info */
10246 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
10247 SHMEM_RD(bp,
10248 dev_info.port_hw_config[port].
10249 fcoe_wwn_node_name_upper);
10250 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
10251 SHMEM_RD(bp,
10252 dev_info.port_hw_config[port].
10253 fcoe_wwn_node_name_lower);
10254 } else if (!IS_MF_SD(bp)) {
10255 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10256
10257 /*
10258 * Read the WWN info only if the FCoE feature is enabled for
10259 * this function.
10260 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010261 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
10262 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010263
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010264 } else if (IS_MF_FCOE_SD(bp))
10265 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010266
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010267 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010268
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010269 /*
10270 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010271 * disable the feature.
10272 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010273 if (!bp->cnic_eth_dev.max_fcoe_conn)
10274 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +000010275#else
10276 bp->flags |= NO_FCOE_FLAG;
10277#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010278}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +000010279
10280static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
10281{
10282 /*
10283 * iSCSI may be dynamically disabled but reading
10284 * info here we will decrease memory usage by driver
10285 * if the feature is disabled for good
10286 */
10287 bnx2x_get_iscsi_info(bp);
10288 bnx2x_get_fcoe_info(bp);
10289}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010290
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010291static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
10292{
10293 u32 val, val2;
10294 int func = BP_ABS_FUNC(bp);
10295 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010296#ifdef BCM_CNIC
10297 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
10298 u8 *fip_mac = bp->fip_mac;
10299#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010300
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010301 /* Zero primary MAC configuration */
10302 memset(bp->dev->dev_addr, 0, ETH_ALEN);
10303
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010304 if (BP_NOMCP(bp)) {
10305 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +000010306 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010307 } else if (IS_MF(bp)) {
10308 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
10309 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
10310 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
10311 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
10312 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10313
10314#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010315 /*
10316 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010317 * FCoE MAC then the appropriate feature should be disabled.
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010318 *
10319 * In non SD mode features configuration comes from
10320 * struct func_ext_config.
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010321 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010322 if (!IS_MF_SD(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010323 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
10324 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
10325 val2 = MF_CFG_RD(bp, func_ext_config[func].
10326 iscsi_mac_addr_upper);
10327 val = MF_CFG_RD(bp, func_ext_config[func].
10328 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010329 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +000010330 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10331 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010332 } else
10333 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
10334
10335 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
10336 val2 = MF_CFG_RD(bp, func_ext_config[func].
10337 fcoe_mac_addr_upper);
10338 val = MF_CFG_RD(bp, func_ext_config[func].
10339 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010340 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010341 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010342 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010343
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010344 } else
10345 bp->flags |= NO_FCOE_FLAG;
Barak Witkowskia3348722012-04-23 03:04:46 +000010346
10347 bp->mf_ext_config = cfg;
10348
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010349 } else { /* SD MODE */
10350 if (IS_MF_STORAGE_SD(bp)) {
10351 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
10352 /* use primary mac as iscsi mac */
10353 memcpy(iscsi_mac, bp->dev->dev_addr,
10354 ETH_ALEN);
10355
10356 BNX2X_DEV_INFO("SD ISCSI MODE\n");
10357 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
10358 iscsi_mac);
10359 } else { /* FCoE */
10360 memcpy(fip_mac, bp->dev->dev_addr,
10361 ETH_ALEN);
10362 BNX2X_DEV_INFO("SD FCoE MODE\n");
10363 BNX2X_DEV_INFO("Read FIP MAC: %pM\n",
10364 fip_mac);
10365 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010366 /* Zero primary MAC configuration */
10367 memset(bp->dev->dev_addr, 0, ETH_ALEN);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010368 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010369 }
Barak Witkowskia3348722012-04-23 03:04:46 +000010370
10371 if (IS_MF_FCOE_AFEX(bp))
10372 /* use FIP MAC as primary MAC */
10373 memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
10374
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010375#endif
10376 } else {
10377 /* in SF read MACs from port configuration */
10378 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
10379 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
10380 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
10381
10382#ifdef BCM_CNIC
10383 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10384 iscsi_mac_upper);
10385 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10386 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010387 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +000010388
10389 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
10390 fcoe_fip_mac_upper);
10391 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
10392 fcoe_fip_mac_lower);
10393 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010394#endif
10395 }
10396
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010397 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
10398 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +000010399
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010400#ifdef BCM_CNIC
Dmitry Kravkov426b9242011-05-04 23:49:53 +000010401 /* Disable iSCSI if MAC configuration is
10402 * invalid.
10403 */
10404 if (!is_valid_ether_addr(iscsi_mac)) {
10405 bp->flags |= NO_ISCSI_FLAG;
10406 memset(iscsi_mac, 0, ETH_ALEN);
10407 }
10408
10409 /* Disable FCoE if MAC configuration is
10410 * invalid.
10411 */
10412 if (!is_valid_ether_addr(fip_mac)) {
10413 bp->flags |= NO_FCOE_FLAG;
10414 memset(bp->fip_mac, 0, ETH_ALEN);
10415 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010416#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010417
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010418 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010419 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010420 "bad Ethernet MAC address configuration: %pM\n"
10421 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010422 bp->dev->dev_addr);
Merav Sicron51c1a582012-03-18 10:33:38 +000010423
10424
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010425}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010426
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010427static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10428{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010429 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010430 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010431 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010432 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010433
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010434 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010435
Ariel Elior6383c0b2011-07-14 08:31:57 +000010436 /*
10437 * initialize IGU parameters
10438 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010439 if (CHIP_IS_E1x(bp)) {
10440 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010441
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010442 bp->igu_dsb_id = DEF_SB_IGU_ID;
10443 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010444 } else {
10445 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010446
10447 /* do not allow device reset during IGU info preocessing */
10448 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10449
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010450 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010451
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010452 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010453 int tout = 5000;
10454
10455 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10456
10457 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10458 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10459 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10460
10461 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10462 tout--;
10463 usleep_range(1000, 1000);
10464 }
10465
10466 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10467 dev_err(&bp->pdev->dev,
10468 "FORCING Normal Mode failed!!!\n");
10469 return -EPERM;
10470 }
10471 }
10472
10473 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10474 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010475 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10476 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010477 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010478
10479 bnx2x_get_igu_cam_info(bp);
10480
David S. Miller8decf862011-09-22 03:23:13 -040010481 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010482 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010483
10484 /*
10485 * set base FW non-default (fast path) status block id, this value is
10486 * used to initialize the fw_sb_id saved on the fp/queue structure to
10487 * determine the id used by the FW.
10488 */
10489 if (CHIP_IS_E1x(bp))
10490 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10491 else /*
10492 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10493 * the same queue are indicated on the same IGU SB). So we prefer
10494 * FW and IGU SBs to be the same value.
10495 */
10496 bp->base_fw_ndsb = bp->igu_base_sb;
10497
10498 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10499 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10500 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010501
10502 /*
10503 * Initialize MF configuration
10504 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010505
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010506 bp->mf_ov = 0;
10507 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010508 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010509
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010510 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010511 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10512 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10513 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10514
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010515 if (SHMEM2_HAS(bp, mf_cfg_addr))
10516 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10517 else
10518 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010519 offsetof(struct shmem_region, func_mb) +
10520 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010521 /*
10522 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010523 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010524 * 2. MAC address must be legal (check only upper bytes)
10525 * for Switch-Independent mode;
10526 * OVLAN must be legal for Switch-Dependent mode
10527 * 3. SF_MODE configures specific MF mode
10528 */
10529 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10530 /* get mf configuration */
10531 val = SHMEM_RD(bp,
10532 dev_info.shared_feature_config.config);
10533 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010534
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010535 switch (val) {
10536 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10537 val = MF_CFG_RD(bp, func_mf_config[func].
10538 mac_upper);
10539 /* check for legal mac (upper bytes)*/
10540 if (val != 0xffff) {
10541 bp->mf_mode = MULTI_FUNCTION_SI;
10542 bp->mf_config[vn] = MF_CFG_RD(bp,
10543 func_mf_config[func].config);
10544 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010545 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010546 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010547 case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
10548 if ((!CHIP_IS_E1x(bp)) &&
10549 (MF_CFG_RD(bp, func_mf_config[func].
10550 mac_upper) != 0xffff) &&
10551 (SHMEM2_HAS(bp,
10552 afex_driver_support))) {
10553 bp->mf_mode = MULTI_FUNCTION_AFEX;
10554 bp->mf_config[vn] = MF_CFG_RD(bp,
10555 func_mf_config[func].config);
10556 } else {
10557 BNX2X_DEV_INFO("can not configure afex mode\n");
10558 }
10559 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010560 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10561 /* get OV configuration */
10562 val = MF_CFG_RD(bp,
10563 func_mf_config[FUNC_0].e1hov_tag);
10564 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10565
10566 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10567 bp->mf_mode = MULTI_FUNCTION_SD;
10568 bp->mf_config[vn] = MF_CFG_RD(bp,
10569 func_mf_config[func].config);
10570 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010571 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010572 break;
10573 default:
10574 /* Unknown configuration: reset mf_config */
10575 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010576 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010577 }
10578 }
10579
Eilon Greenstein2691d512009-08-12 08:22:08 +000010580 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010581 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010582
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010583 switch (bp->mf_mode) {
10584 case MULTI_FUNCTION_SD:
10585 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10586 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010587 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010588 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010589 bp->path_has_ovlan = true;
10590
Merav Sicron51c1a582012-03-18 10:33:38 +000010591 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10592 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010593 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010594 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010595 "No valid MF OV for func %d, aborting\n",
10596 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010597 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010598 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010599 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010600 case MULTI_FUNCTION_AFEX:
10601 BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
10602 break;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010603 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010604 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10605 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010606 break;
10607 default:
10608 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010609 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010610 "VN %d is in a single function mode, aborting\n",
10611 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010612 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010613 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010614 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010615 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010616
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010617 /* check if other port on the path needs ovlan:
10618 * Since MF configuration is shared between ports
10619 * Possible mixed modes are only
10620 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10621 */
10622 if (CHIP_MODE_IS_4_PORT(bp) &&
10623 !bp->path_has_ovlan &&
10624 !IS_MF(bp) &&
10625 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10626 u8 other_port = !BP_PORT(bp);
10627 u8 other_func = BP_PATH(bp) + 2*other_port;
10628 val = MF_CFG_RD(bp,
10629 func_mf_config[other_func].e1hov_tag);
10630 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10631 bp->path_has_ovlan = true;
10632 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010633 }
10634
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010635 /* adjust igu_sb_cnt to MF for E1x */
10636 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010637 bp->igu_sb_cnt /= E1HVN_MAX;
10638
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010639 /* port info */
10640 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010641
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010642 /* Get MAC addresses */
10643 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010644
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010645 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010646
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010647 return rc;
10648}
10649
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010650static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10651{
10652 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010653 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010654 char str_id_reg[VENDOR_ID_LEN+1];
10655 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010656 char *vpd_data;
10657 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010658 u8 len;
10659
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010660 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010661 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10662
10663 if (cnt < BNX2X_VPD_LEN)
10664 goto out_not_found;
10665
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010666 /* VPD RO tag should be first tag after identifier string, hence
10667 * we should be able to find it in first BNX2X_VPD_LEN chars
10668 */
10669 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010670 PCI_VPD_LRDT_RO_DATA);
10671 if (i < 0)
10672 goto out_not_found;
10673
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010674 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010675 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010676
10677 i += PCI_VPD_LRDT_TAG_SIZE;
10678
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010679 if (block_end > BNX2X_VPD_LEN) {
10680 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10681 if (vpd_extended_data == NULL)
10682 goto out_not_found;
10683
10684 /* read rest of vpd image into vpd_extended_data */
10685 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10686 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10687 block_end - BNX2X_VPD_LEN,
10688 vpd_extended_data + BNX2X_VPD_LEN);
10689 if (cnt < (block_end - BNX2X_VPD_LEN))
10690 goto out_not_found;
10691 vpd_data = vpd_extended_data;
10692 } else
10693 vpd_data = vpd_start;
10694
10695 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010696
10697 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10698 PCI_VPD_RO_KEYWORD_MFR_ID);
10699 if (rodi < 0)
10700 goto out_not_found;
10701
10702 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10703
10704 if (len != VENDOR_ID_LEN)
10705 goto out_not_found;
10706
10707 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10708
10709 /* vendor specific info */
10710 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10711 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10712 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10713 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10714
10715 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10716 PCI_VPD_RO_KEYWORD_VENDOR0);
10717 if (rodi >= 0) {
10718 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10719
10720 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10721
10722 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10723 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10724 bp->fw_ver[len] = ' ';
10725 }
10726 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010727 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010728 return;
10729 }
10730out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010731 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010732 return;
10733}
10734
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010735static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10736{
10737 u32 flags = 0;
10738
10739 if (CHIP_REV_IS_FPGA(bp))
10740 SET_FLAGS(flags, MODE_FPGA);
10741 else if (CHIP_REV_IS_EMUL(bp))
10742 SET_FLAGS(flags, MODE_EMUL);
10743 else
10744 SET_FLAGS(flags, MODE_ASIC);
10745
10746 if (CHIP_MODE_IS_4_PORT(bp))
10747 SET_FLAGS(flags, MODE_PORT4);
10748 else
10749 SET_FLAGS(flags, MODE_PORT2);
10750
10751 if (CHIP_IS_E2(bp))
10752 SET_FLAGS(flags, MODE_E2);
10753 else if (CHIP_IS_E3(bp)) {
10754 SET_FLAGS(flags, MODE_E3);
10755 if (CHIP_REV(bp) == CHIP_REV_Ax)
10756 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010757 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10758 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010759 }
10760
10761 if (IS_MF(bp)) {
10762 SET_FLAGS(flags, MODE_MF);
10763 switch (bp->mf_mode) {
10764 case MULTI_FUNCTION_SD:
10765 SET_FLAGS(flags, MODE_MF_SD);
10766 break;
10767 case MULTI_FUNCTION_SI:
10768 SET_FLAGS(flags, MODE_MF_SI);
10769 break;
Barak Witkowskia3348722012-04-23 03:04:46 +000010770 case MULTI_FUNCTION_AFEX:
10771 SET_FLAGS(flags, MODE_MF_AFEX);
10772 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010773 }
10774 } else
10775 SET_FLAGS(flags, MODE_SF);
10776
10777#if defined(__LITTLE_ENDIAN)
10778 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10779#else /*(__BIG_ENDIAN)*/
10780 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10781#endif
10782 INIT_MODE_FLAGS(bp) = flags;
10783}
10784
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010785static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10786{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010787 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010788 int rc;
10789
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010790 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010791 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010792 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010793#ifdef BCM_CNIC
10794 mutex_init(&bp->cnic_mutex);
10795#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010796
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010797 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010798 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010799 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010800 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010801 if (rc)
10802 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010803
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010804 bnx2x_set_modes_bitmap(bp);
10805
10806 rc = bnx2x_alloc_mem_bp(bp);
10807 if (rc)
10808 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010809
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010810 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010811
10812 func = BP_FUNC(bp);
10813
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010814 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000010815 if (!BP_NOMCP(bp)) {
10816 /* init fw_seq */
10817 bp->fw_seq =
10818 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
10819 DRV_MSG_SEQ_NUMBER_MASK;
10820 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10821
10822 bnx2x_prev_unload(bp);
10823 }
10824
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010825
10826 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010827 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010828
10829 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000010830 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010831
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010832 bp->disable_tpa = disable_tpa;
10833
10834#ifdef BCM_CNIC
Barak Witkowskia3348722012-04-23 03:04:46 +000010835 bp->disable_tpa |= IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010836#endif
10837
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010838 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010839 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010840 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010841 bp->dev->features &= ~NETIF_F_LRO;
10842 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010843 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010844 bp->dev->features |= NETIF_F_LRO;
10845 }
10846
Eilon Greensteina18f5122009-08-12 08:23:26 +000010847 if (CHIP_IS_E1(bp))
10848 bp->dropless_fc = 0;
10849 else
10850 bp->dropless_fc = dropless_fc;
10851
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010852 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010853
Barak Witkowskia3348722012-04-23 03:04:46 +000010854 bp->tx_ring_size = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010855
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010856 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010857 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10858 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010859
Michal Schmidtfc543632012-02-14 09:05:46 +000010860 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010861
10862 init_timer(&bp->timer);
10863 bp->timer.expires = jiffies + bp->current_interval;
10864 bp->timer.data = (unsigned long) bp;
10865 bp->timer.function = bnx2x_timer;
10866
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010867 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010868 bnx2x_dcbx_init_params(bp);
10869
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010870#ifdef BCM_CNIC
10871 if (CHIP_IS_E1x(bp))
10872 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10873 else
10874 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10875#endif
10876
Ariel Elior6383c0b2011-07-14 08:31:57 +000010877 /* multiple tx priority */
10878 if (CHIP_IS_E1x(bp))
10879 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10880 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10881 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10882 if (CHIP_IS_E3B0(bp))
10883 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10884
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010885 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010886}
10887
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010888
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010889/****************************************************************************
10890* General service functions
10891****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010892
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010893/*
10894 * net_device service functions
10895 */
10896
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010897/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010898static int bnx2x_open(struct net_device *dev)
10899{
10900 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010901 bool global = false;
10902 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010903 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010904
Mintz Yuval1355b702012-02-15 02:10:22 +000010905 bp->stats_init = true;
10906
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010907 netif_carrier_off(dev);
10908
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010909 bnx2x_set_power_state(bp, PCI_D0);
10910
Ariel Elior889b9af2012-01-26 06:01:51 +000010911 other_load_status = bnx2x_get_load_status(bp, other_engine);
10912 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010913
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010914 /*
10915 * If parity had happen during the unload, then attentions
10916 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10917 * want the first function loaded on the current engine to
10918 * complete the recovery.
10919 */
10920 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10921 bnx2x_chk_parity_attn(bp, &global, true))
10922 do {
10923 /*
10924 * If there are attentions and they are in a global
10925 * blocks, set the GLOBAL_RESET bit regardless whether
10926 * it will be this function that will complete the
10927 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010928 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010929 if (global)
10930 bnx2x_set_reset_global(bp);
10931
10932 /*
10933 * Only the first function on the current engine should
10934 * try to recover in open. In case of attentions in
10935 * global blocks only the first in the chip should try
10936 * to recover.
10937 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010938 if ((!load_status &&
10939 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010940 bnx2x_trylock_leader_lock(bp) &&
10941 !bnx2x_leader_reset(bp)) {
10942 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010943 break;
10944 }
10945
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010946 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010947 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010948 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010949
Merav Sicron51c1a582012-03-18 10:33:38 +000010950 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
10951 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010952
10953 return -EAGAIN;
10954 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010955
10956 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010957 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010958}
10959
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010960/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000010961static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010962{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010963 struct bnx2x *bp = netdev_priv(dev);
10964
10965 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010966 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010967
10968 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000010969 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010970
10971 return 0;
10972}
10973
Eric Dumazet1191cb82012-04-27 21:39:21 +000010974static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
10975 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010976{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010977 int mc_count = netdev_mc_count(bp->dev);
10978 struct bnx2x_mcast_list_elem *mc_mac =
10979 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010980 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010981
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010982 if (!mc_mac)
10983 return -ENOMEM;
10984
10985 INIT_LIST_HEAD(&p->mcast_list);
10986
10987 netdev_for_each_mc_addr(ha, bp->dev) {
10988 mc_mac->mac = bnx2x_mc_addr(ha);
10989 list_add_tail(&mc_mac->link, &p->mcast_list);
10990 mc_mac++;
10991 }
10992
10993 p->mcast_list_len = mc_count;
10994
10995 return 0;
10996}
10997
Eric Dumazet1191cb82012-04-27 21:39:21 +000010998static void bnx2x_free_mcast_macs_list(
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010999 struct bnx2x_mcast_ramrod_params *p)
11000{
11001 struct bnx2x_mcast_list_elem *mc_mac =
11002 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
11003 link);
11004
11005 WARN_ON(!mc_mac);
11006 kfree(mc_mac);
11007}
11008
11009/**
11010 * bnx2x_set_uc_list - configure a new unicast MACs list.
11011 *
11012 * @bp: driver handle
11013 *
11014 * We will use zero (0) as a MAC type for these MACs.
11015 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011016static int bnx2x_set_uc_list(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011017{
11018 int rc;
11019 struct net_device *dev = bp->dev;
11020 struct netdev_hw_addr *ha;
11021 struct bnx2x_vlan_mac_obj *mac_obj = &bp->fp->mac_obj;
11022 unsigned long ramrod_flags = 0;
11023
11024 /* First schedule a cleanup up of old configuration */
11025 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
11026 if (rc < 0) {
11027 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
11028 return rc;
11029 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011030
11031 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011032 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
11033 BNX2X_UC_LIST_MAC, &ramrod_flags);
11034 if (rc < 0) {
11035 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
11036 rc);
11037 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011038 }
11039 }
11040
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011041 /* Execute the pending commands */
11042 __set_bit(RAMROD_CONT, &ramrod_flags);
11043 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
11044 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011045}
11046
Eric Dumazet1191cb82012-04-27 21:39:21 +000011047static int bnx2x_set_mc_list(struct bnx2x *bp)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011048{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011049 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000011050 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011051 int rc = 0;
11052
11053 rparam.mcast_obj = &bp->mcast_obj;
11054
11055 /* first, clear all configured multicast MACs */
11056 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
11057 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011058 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011059 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011060 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011061
11062 /* then, configure a new MACs list */
11063 if (netdev_mc_count(dev)) {
11064 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
11065 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011066 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
11067 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011068 return rc;
11069 }
11070
11071 /* Now add the new MACs */
11072 rc = bnx2x_config_mcast(bp, &rparam,
11073 BNX2X_MCAST_CMD_ADD);
11074 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000011075 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
11076 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011077
11078 bnx2x_free_mcast_macs_list(&rparam);
11079 }
11080
11081 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011082}
11083
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011084
11085/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011086void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011087{
11088 struct bnx2x *bp = netdev_priv(dev);
11089 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011090
11091 if (bp->state != BNX2X_STATE_OPEN) {
11092 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
11093 return;
11094 }
11095
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011096 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011097
11098 if (dev->flags & IFF_PROMISC)
11099 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011100 else if ((dev->flags & IFF_ALLMULTI) ||
11101 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
11102 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011103 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011104 else {
11105 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011106 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011107 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011108
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011109 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011110 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011111 }
11112
11113 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011114#ifdef BCM_CNIC
11115 /* handle ISCSI SD mode */
11116 if (IS_MF_ISCSI_SD(bp))
11117 bp->rx_mode = BNX2X_RX_MODE_NONE;
11118#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011119
11120 /* Schedule the rx_mode command */
11121 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
11122 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
11123 return;
11124 }
11125
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011126 bnx2x_set_storm_rx_mode(bp);
11127}
11128
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011129/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011130static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
11131 int devad, u16 addr)
11132{
11133 struct bnx2x *bp = netdev_priv(netdev);
11134 u16 value;
11135 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011136
11137 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
11138 prtad, devad, addr);
11139
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011140 /* The HW expects different devad if CL22 is used */
11141 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11142
11143 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011144 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011145 bnx2x_release_phy_lock(bp);
11146 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
11147
11148 if (!rc)
11149 rc = value;
11150 return rc;
11151}
11152
11153/* called with rtnl_lock */
11154static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
11155 u16 addr, u16 value)
11156{
11157 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011158 int rc;
11159
Merav Sicron51c1a582012-03-18 10:33:38 +000011160 DP(NETIF_MSG_LINK,
11161 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
11162 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011163
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011164 /* The HW expects different devad if CL22 is used */
11165 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
11166
11167 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000011168 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011169 bnx2x_release_phy_lock(bp);
11170 return rc;
11171}
11172
11173/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011174static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11175{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011176 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011177 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011178
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011179 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
11180 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011181
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011182 if (!netif_running(dev))
11183 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070011184
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011185 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011186}
11187
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011188#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011189static void poll_bnx2x(struct net_device *dev)
11190{
11191 struct bnx2x *bp = netdev_priv(dev);
11192
11193 disable_irq(bp->pdev->irq);
11194 bnx2x_interrupt(bp->pdev->irq, dev);
11195 enable_irq(bp->pdev->irq);
11196}
11197#endif
11198
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011199static int bnx2x_validate_addr(struct net_device *dev)
11200{
11201 struct bnx2x *bp = netdev_priv(dev);
11202
Merav Sicron51c1a582012-03-18 10:33:38 +000011203 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
11204 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011205 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011206 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011207 return 0;
11208}
11209
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011210static const struct net_device_ops bnx2x_netdev_ops = {
11211 .ndo_open = bnx2x_open,
11212 .ndo_stop = bnx2x_close,
11213 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000011214 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011215 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011216 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000011217 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011218 .ndo_do_ioctl = bnx2x_ioctl,
11219 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000011220 .ndo_fix_features = bnx2x_fix_features,
11221 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011222 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000011223#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011224 .ndo_poll_controller = poll_bnx2x,
11225#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000011226 .ndo_setup_tc = bnx2x_setup_tc,
11227
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000011228#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
11229 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
11230#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011231};
11232
Eric Dumazet1191cb82012-04-27 21:39:21 +000011233static int bnx2x_set_coherency_mask(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011234{
11235 struct device *dev = &bp->pdev->dev;
11236
11237 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
11238 bp->flags |= USING_DAC_FLAG;
11239 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011240 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011241 return -EIO;
11242 }
11243 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
11244 dev_err(dev, "System does not support DMA, aborting\n");
11245 return -EIO;
11246 }
11247
11248 return 0;
11249}
11250
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011251static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011252 struct net_device *dev,
11253 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011254{
11255 struct bnx2x *bp;
11256 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000011257 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000011258 bool chip_is_e1x = (board_type == BCM57710 ||
11259 board_type == BCM57711 ||
11260 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011261
11262 SET_NETDEV_DEV(dev, &pdev->dev);
11263 bp = netdev_priv(dev);
11264
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011265 bp->dev = dev;
11266 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011267 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011268
11269 rc = pci_enable_device(pdev);
11270 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011271 dev_err(&bp->pdev->dev,
11272 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011273 goto err_out;
11274 }
11275
11276 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011277 dev_err(&bp->pdev->dev,
11278 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011279 rc = -ENODEV;
11280 goto err_out_disable;
11281 }
11282
11283 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011284 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
11285 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011286 rc = -ENODEV;
11287 goto err_out_disable;
11288 }
11289
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011290 if (atomic_read(&pdev->enable_cnt) == 1) {
11291 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
11292 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011293 dev_err(&bp->pdev->dev,
11294 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011295 goto err_out_disable;
11296 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011297
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011298 pci_set_master(pdev);
11299 pci_save_state(pdev);
11300 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011301
11302 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11303 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011304 dev_err(&bp->pdev->dev,
11305 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011306 rc = -EIO;
11307 goto err_out_release;
11308 }
11309
Jon Mason77c98e62011-06-27 07:45:12 +000011310 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011311 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011312 rc = -EIO;
11313 goto err_out_release;
11314 }
11315
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011316 rc = bnx2x_set_coherency_mask(bp);
11317 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011318 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011319
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011320 dev->mem_start = pci_resource_start(pdev, 0);
11321 dev->base_addr = dev->mem_start;
11322 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011323
11324 dev->irq = pdev->irq;
11325
Arjan van de Ven275f1652008-10-20 21:42:39 -070011326 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011327 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011328 dev_err(&bp->pdev->dev,
11329 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011330 rc = -ENOMEM;
11331 goto err_out_release;
11332 }
11333
Ariel Eliorc22610d02012-01-26 06:01:47 +000011334 /* In E1/E1H use pci device function given by kernel.
11335 * In E2/E3 read physical function from ME register since these chips
11336 * support Physical Device Assignment where kernel BDF maybe arbitrary
11337 * (depending on hypervisor).
11338 */
11339 if (chip_is_e1x)
11340 bp->pf_num = PCI_FUNC(pdev->devfn);
11341 else {/* chip is E2/3*/
11342 pci_read_config_dword(bp->pdev,
11343 PCICFG_ME_REGISTER, &pci_cfg_dword);
11344 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
11345 ME_REG_ABS_PF_NUM_SHIFT);
11346 }
Merav Sicron51c1a582012-03-18 10:33:38 +000011347 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000011348
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011349 bnx2x_set_power_state(bp, PCI_D0);
11350
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011351 /* clean indirect addresses */
11352 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
11353 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040011354 /*
11355 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070011356 * is not used by the driver.
11357 */
11358 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
11359 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
11360 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
11361 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040011362
Ariel Elior65087cf2012-01-23 07:31:55 +000011363 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040011364 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
11365 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
11366 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
11367 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
11368 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011369
Shmulik Ravid21894002011-07-24 03:57:04 +000011370 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011371 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000011372 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011373 */
Ariel Elior65087cf2012-01-23 07:31:55 +000011374 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000011375 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011376
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011377 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000011378 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011379
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011380 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011381
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080011382 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000011383 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000011384
Jiri Pirko01789342011-08-16 06:29:00 +000011385 dev->priv_flags |= IFF_UNICAST_FLT;
11386
Michał Mirosław66371c42011-04-12 09:38:23 +000011387 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000011388 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
11389 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
11390 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000011391
11392 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
11393 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
11394
11395 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011396 if (bp->flags & USING_DAC_FLAG)
11397 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011398
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000011399 /* Add Loopback capability to the device */
11400 dev->hw_features |= NETIF_F_LOOPBACK;
11401
Shmulik Ravid98507672011-02-28 12:19:55 -080011402#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000011403 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
11404#endif
11405
Eilon Greenstein01cd4522009-08-12 08:23:08 +000011406 /* get_port_hwinfo() will set prtad and mmds properly */
11407 bp->mdio.prtad = MDIO_PRTAD_NONE;
11408 bp->mdio.mmds = 0;
11409 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
11410 bp->mdio.dev = dev;
11411 bp->mdio.mdio_read = bnx2x_mdio_read;
11412 bp->mdio.mdio_write = bnx2x_mdio_write;
11413
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011414 return 0;
11415
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011416err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011417 if (atomic_read(&pdev->enable_cnt) == 1)
11418 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011419
11420err_out_disable:
11421 pci_disable_device(pdev);
11422 pci_set_drvdata(pdev, NULL);
11423
11424err_out:
11425 return rc;
11426}
11427
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011428static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11429 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011430{
11431 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11432
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011433 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11434
11435 /* return value of 1=2.5GHz 2=5GHz */
11436 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011437}
11438
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011439static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011440{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011441 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011442 struct bnx2x_fw_file_hdr *fw_hdr;
11443 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011444 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011445 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011446 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011447 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011448
Merav Sicron51c1a582012-03-18 10:33:38 +000011449 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11450 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011451 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011452 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011453
11454 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11455 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11456
11457 /* Make sure none of the offsets and sizes make us read beyond
11458 * the end of the firmware data */
11459 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11460 offset = be32_to_cpu(sections[i].offset);
11461 len = be32_to_cpu(sections[i].len);
11462 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011463 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011464 return -EINVAL;
11465 }
11466 }
11467
11468 /* Likewise for the init_ops offsets */
11469 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11470 ops_offsets = (u16 *)(firmware->data + offset);
11471 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11472
11473 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11474 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011475 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011476 return -EINVAL;
11477 }
11478 }
11479
11480 /* Check FW version */
11481 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11482 fw_ver = firmware->data + offset;
11483 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11484 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11485 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11486 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011487 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11488 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11489 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011490 BCM_5710_FW_MINOR_VERSION,
11491 BCM_5710_FW_REVISION_VERSION,
11492 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011493 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011494 }
11495
11496 return 0;
11497}
11498
Eric Dumazet1191cb82012-04-27 21:39:21 +000011499static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011500{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011501 const __be32 *source = (const __be32 *)_source;
11502 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011503 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011504
11505 for (i = 0; i < n/4; i++)
11506 target[i] = be32_to_cpu(source[i]);
11507}
11508
11509/*
11510 Ops array is stored in the following format:
11511 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11512 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011513static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011514{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011515 const __be32 *source = (const __be32 *)_source;
11516 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011517 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011518
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011519 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011520 tmp = be32_to_cpu(source[j]);
11521 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011522 target[i].offset = tmp & 0xffffff;
11523 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011524 }
11525}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011526
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011527/**
11528 * IRO array is stored in the following format:
11529 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11530 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011531static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011532{
11533 const __be32 *source = (const __be32 *)_source;
11534 struct iro *target = (struct iro *)_target;
11535 u32 i, j, tmp;
11536
11537 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11538 target[i].base = be32_to_cpu(source[j]);
11539 j++;
11540 tmp = be32_to_cpu(source[j]);
11541 target[i].m1 = (tmp >> 16) & 0xffff;
11542 target[i].m2 = tmp & 0xffff;
11543 j++;
11544 tmp = be32_to_cpu(source[j]);
11545 target[i].m3 = (tmp >> 16) & 0xffff;
11546 target[i].size = tmp & 0xffff;
11547 j++;
11548 }
11549}
11550
Eric Dumazet1191cb82012-04-27 21:39:21 +000011551static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011552{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011553 const __be16 *source = (const __be16 *)_source;
11554 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011555 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011556
11557 for (i = 0; i < n/2; i++)
11558 target[i] = be16_to_cpu(source[i]);
11559}
11560
Joe Perches7995c642010-02-17 15:01:52 +000011561#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11562do { \
11563 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11564 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011565 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011566 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011567 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11568 (u8 *)bp->arr, len); \
11569} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011570
Yuval Mintz3b603062012-03-18 10:33:39 +000011571static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011572{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011573 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011574 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011575 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011576
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011577 if (bp->firmware)
11578 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011579
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011580 if (CHIP_IS_E1(bp))
11581 fw_file_name = FW_FILE_NAME_E1;
11582 else if (CHIP_IS_E1H(bp))
11583 fw_file_name = FW_FILE_NAME_E1H;
11584 else if (!CHIP_IS_E1x(bp))
11585 fw_file_name = FW_FILE_NAME_E2;
11586 else {
11587 BNX2X_ERR("Unsupported chip revision\n");
11588 return -EINVAL;
11589 }
11590 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011591
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011592 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11593 if (rc) {
11594 BNX2X_ERR("Can't load firmware file %s\n",
11595 fw_file_name);
11596 goto request_firmware_exit;
11597 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011598
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011599 rc = bnx2x_check_firmware(bp);
11600 if (rc) {
11601 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11602 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011603 }
11604
11605 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11606
11607 /* Initialize the pointers to the init arrays */
11608 /* Blob */
11609 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11610
11611 /* Opcodes */
11612 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11613
11614 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011615 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11616 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011617
11618 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011619 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11620 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11621 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11622 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11623 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11624 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11625 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11626 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11627 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11628 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11629 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11630 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11631 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11632 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11633 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11634 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011635 /* IRO */
11636 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011637
11638 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011639
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011640iro_alloc_err:
11641 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011642init_offsets_alloc_err:
11643 kfree(bp->init_ops);
11644init_ops_alloc_err:
11645 kfree(bp->init_data);
11646request_firmware_exit:
11647 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011648 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011649
11650 return rc;
11651}
11652
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011653static void bnx2x_release_firmware(struct bnx2x *bp)
11654{
11655 kfree(bp->init_ops_offsets);
11656 kfree(bp->init_ops);
11657 kfree(bp->init_data);
11658 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011659 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011660}
11661
11662
11663static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11664 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11665 .init_hw_cmn = bnx2x_init_hw_common,
11666 .init_hw_port = bnx2x_init_hw_port,
11667 .init_hw_func = bnx2x_init_hw_func,
11668
11669 .reset_hw_cmn = bnx2x_reset_common,
11670 .reset_hw_port = bnx2x_reset_port,
11671 .reset_hw_func = bnx2x_reset_func,
11672
11673 .gunzip_init = bnx2x_gunzip_init,
11674 .gunzip_end = bnx2x_gunzip_end,
11675
11676 .init_fw = bnx2x_init_firmware,
11677 .release_fw = bnx2x_release_firmware,
11678};
11679
11680void bnx2x__init_func_obj(struct bnx2x *bp)
11681{
11682 /* Prepare DMAE related driver resources */
11683 bnx2x_setup_dmae(bp);
11684
11685 bnx2x_init_func_obj(bp, &bp->func_obj,
11686 bnx2x_sp(bp, func_rdata),
11687 bnx2x_sp_mapping(bp, func_rdata),
Barak Witkowskia3348722012-04-23 03:04:46 +000011688 bnx2x_sp(bp, func_afex_rdata),
11689 bnx2x_sp_mapping(bp, func_afex_rdata),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011690 &bnx2x_func_sp_drv);
11691}
11692
11693/* must be called after sriov-enable */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011694static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011695{
Ariel Elior6383c0b2011-07-14 08:31:57 +000011696 int cid_count = BNX2X_L2_CID_COUNT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011697
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011698#ifdef BCM_CNIC
11699 cid_count += CNIC_CID_MAX;
11700#endif
11701 return roundup(cid_count, QM_CID_ROUND);
11702}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011703
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011704/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011705 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011706 *
11707 * @dev: pci device
11708 *
11709 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000011710static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011711{
11712 int pos;
11713 u16 control;
11714
11715 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011716
Ariel Elior6383c0b2011-07-14 08:31:57 +000011717 /*
11718 * If MSI-X is not supported - return number of SBs needed to support
11719 * one fast path queue: one FP queue + SB for CNIC
11720 */
11721 if (!pos)
11722 return 1 + CNIC_PRESENT;
11723
11724 /*
11725 * The value in the PCI configuration space is the index of the last
11726 * entry, namely one less than the actual size of the table, which is
11727 * exactly what we want to return from this function: number of all SBs
11728 * without the default SB.
11729 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011730 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011731 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011732}
11733
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011734static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11735 const struct pci_device_id *ent)
11736{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011737 struct net_device *dev = NULL;
11738 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011739 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011740 int rc, max_non_def_sbs;
11741 int rx_count, tx_count, rss_count;
11742 /*
11743 * An estimated maximum supported CoS number according to the chip
11744 * version.
11745 * We will try to roughly estimate the maximum number of CoSes this chip
11746 * may support in order to minimize the memory allocated for Tx
11747 * netdev_queue's. This number will be accurately calculated during the
11748 * initialization of bp->max_cos based on the chip versions AND chip
11749 * revision in the bnx2x_init_bp().
11750 */
11751 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011752
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011753 switch (ent->driver_data) {
11754 case BCM57710:
11755 case BCM57711:
11756 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011757 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11758 break;
11759
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011760 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011761 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011762 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11763 break;
11764
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011765 case BCM57800:
11766 case BCM57800_MF:
11767 case BCM57810:
11768 case BCM57810_MF:
11769 case BCM57840:
11770 case BCM57840_MF:
Barak Witkowski7e8e02d2012-04-03 18:41:28 +000011771 case BCM57811:
11772 case BCM57811_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011773 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011774 break;
11775
11776 default:
11777 pr_err("Unknown board_type (%ld), aborting\n",
11778 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011779 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011780 }
11781
Ariel Elior6383c0b2011-07-14 08:31:57 +000011782 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11783
11784 /* !!! FIXME !!!
11785 * Do not allow the maximum SB count to grow above 16
11786 * since Special CIDs starts from 16*BNX2X_MULTI_TX_COS=48.
11787 * We will use the FP_SB_MAX_E1x macro for this matter.
11788 */
11789 max_non_def_sbs = min_t(int, FP_SB_MAX_E1x, max_non_def_sbs);
11790
11791 WARN_ON(!max_non_def_sbs);
11792
11793 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11794 rss_count = max_non_def_sbs - CNIC_PRESENT;
11795
11796 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11797 rx_count = rss_count + FCOE_PRESENT;
11798
11799 /*
11800 * Maximum number of netdev Tx queues:
11801 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
11802 */
11803 tx_count = MAX_TXQS_PER_COS * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011804
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011805 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011806 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011807 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011808 return -ENOMEM;
11809
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011810 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011811
Merav Sicron51c1a582012-03-18 10:33:38 +000011812 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +000011813 tx_count, rx_count);
11814
11815 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011816 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011817 pci_set_drvdata(pdev, dev);
11818
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011819 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011820 if (rc < 0) {
11821 free_netdev(dev);
11822 return rc;
11823 }
11824
Merav Sicron51c1a582012-03-18 10:33:38 +000011825 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011826
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011827 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011828 if (rc)
11829 goto init_one_exit;
11830
Ariel Elior6383c0b2011-07-14 08:31:57 +000011831 /*
11832 * Map doorbels here as we need the real value of bp->max_cos which
11833 * is initialized in bnx2x_init_bp().
11834 */
11835 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
11836 min_t(u64, BNX2X_DB_SIZE(bp),
11837 pci_resource_len(pdev, 2)));
11838 if (!bp->doorbells) {
11839 dev_err(&bp->pdev->dev,
11840 "Cannot map doorbell space, aborting\n");
11841 rc = -ENOMEM;
11842 goto init_one_exit;
11843 }
11844
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011845 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011846 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011847
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011848#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011849 /* disable FCOE L2 queue for E1x */
11850 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011851 bp->flags |= NO_FCOE_FLAG;
11852
11853#endif
11854
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011855 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011856 * needed, set bp->num_queues appropriately.
11857 */
11858 bnx2x_set_int_mode(bp);
11859
11860 /* Add all NAPI objects */
11861 bnx2x_add_all_napi(bp);
11862
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011863 rc = register_netdev(dev);
11864 if (rc) {
11865 dev_err(&pdev->dev, "Cannot register net device\n");
11866 goto init_one_exit;
11867 }
11868
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011869#ifdef BCM_CNIC
11870 if (!NO_FCOE(bp)) {
11871 /* Add storage MAC address */
11872 rtnl_lock();
11873 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11874 rtnl_unlock();
11875 }
11876#endif
11877
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011878 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011879
Merav Sicron51c1a582012-03-18 10:33:38 +000011880 BNX2X_DEV_INFO(
11881 "%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 +000011882 board_info[ent->driver_data].name,
11883 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11884 pcie_width,
11885 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11886 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11887 "5GHz (Gen2)" : "2.5GHz",
11888 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011889
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011890 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011891
11892init_one_exit:
11893 if (bp->regview)
11894 iounmap(bp->regview);
11895
11896 if (bp->doorbells)
11897 iounmap(bp->doorbells);
11898
11899 free_netdev(dev);
11900
11901 if (atomic_read(&pdev->enable_cnt) == 1)
11902 pci_release_regions(pdev);
11903
11904 pci_disable_device(pdev);
11905 pci_set_drvdata(pdev, NULL);
11906
11907 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011908}
11909
11910static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11911{
11912 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011913 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011914
Eliezer Tamir228241e2008-02-28 11:56:57 -080011915 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011916 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011917 return;
11918 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011919 bp = netdev_priv(dev);
11920
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011921#ifdef BCM_CNIC
11922 /* Delete storage MAC address */
11923 if (!NO_FCOE(bp)) {
11924 rtnl_lock();
11925 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11926 rtnl_unlock();
11927 }
11928#endif
11929
Shmulik Ravid98507672011-02-28 12:19:55 -080011930#ifdef BCM_DCBNL
11931 /* Delete app tlvs from dcbnl */
11932 bnx2x_dcbnl_update_applist(bp, true);
11933#endif
11934
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011935 unregister_netdev(dev);
11936
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011937 /* Delete all NAPI objects */
11938 bnx2x_del_all_napi(bp);
11939
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011940 /* Power on: we can't let PCI layer write to us while we are in D3 */
11941 bnx2x_set_power_state(bp, PCI_D0);
11942
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011943 /* Disable MSI/MSI-X */
11944 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011945
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011946 /* Power off */
11947 bnx2x_set_power_state(bp, PCI_D3hot);
11948
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011949 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000011950 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011951
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011952 if (bp->regview)
11953 iounmap(bp->regview);
11954
11955 if (bp->doorbells)
11956 iounmap(bp->doorbells);
11957
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011958 bnx2x_release_firmware(bp);
11959
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011960 bnx2x_free_mem_bp(bp);
11961
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011962 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011963
11964 if (atomic_read(&pdev->enable_cnt) == 1)
11965 pci_release_regions(pdev);
11966
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011967 pci_disable_device(pdev);
11968 pci_set_drvdata(pdev, NULL);
11969}
11970
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011971static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
11972{
11973 int i;
11974
11975 bp->state = BNX2X_STATE_ERROR;
11976
11977 bp->rx_mode = BNX2X_RX_MODE_NONE;
11978
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011979#ifdef BCM_CNIC
11980 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
11981#endif
11982 /* Stop Tx */
11983 bnx2x_tx_disable(bp);
11984
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011985 bnx2x_netif_stop(bp, 0);
11986
11987 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011988
11989 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011990
11991 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011992 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011993
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011994 /* Free SKBs, SGEs, TPA pool and driver internals */
11995 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011996
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011997 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011998 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011999
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012000 bnx2x_free_mem(bp);
12001
12002 bp->state = BNX2X_STATE_CLOSED;
12003
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012004 netif_carrier_off(bp->dev);
12005
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012006 return 0;
12007}
12008
12009static void bnx2x_eeh_recover(struct bnx2x *bp)
12010{
12011 u32 val;
12012
12013 mutex_init(&bp->port.phy_mutex);
12014
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012015
12016 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
12017 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12018 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
12019 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012020}
12021
Wendy Xiong493adb12008-06-23 20:36:22 -070012022/**
12023 * bnx2x_io_error_detected - called when PCI error is detected
12024 * @pdev: Pointer to PCI device
12025 * @state: The current pci connection state
12026 *
12027 * This function is called after a PCI bus error affecting
12028 * this device has been detected.
12029 */
12030static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
12031 pci_channel_state_t state)
12032{
12033 struct net_device *dev = pci_get_drvdata(pdev);
12034 struct bnx2x *bp = netdev_priv(dev);
12035
12036 rtnl_lock();
12037
12038 netif_device_detach(dev);
12039
Dean Nelson07ce50e2009-07-31 09:13:25 +000012040 if (state == pci_channel_io_perm_failure) {
12041 rtnl_unlock();
12042 return PCI_ERS_RESULT_DISCONNECT;
12043 }
12044
Wendy Xiong493adb12008-06-23 20:36:22 -070012045 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012046 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070012047
12048 pci_disable_device(pdev);
12049
12050 rtnl_unlock();
12051
12052 /* Request a slot reset */
12053 return PCI_ERS_RESULT_NEED_RESET;
12054}
12055
12056/**
12057 * bnx2x_io_slot_reset - called after the PCI bus has been reset
12058 * @pdev: Pointer to PCI device
12059 *
12060 * Restart the card from scratch, as if from a cold-boot.
12061 */
12062static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
12063{
12064 struct net_device *dev = pci_get_drvdata(pdev);
12065 struct bnx2x *bp = netdev_priv(dev);
12066
12067 rtnl_lock();
12068
12069 if (pci_enable_device(pdev)) {
12070 dev_err(&pdev->dev,
12071 "Cannot re-enable PCI device after reset\n");
12072 rtnl_unlock();
12073 return PCI_ERS_RESULT_DISCONNECT;
12074 }
12075
12076 pci_set_master(pdev);
12077 pci_restore_state(pdev);
12078
12079 if (netif_running(dev))
12080 bnx2x_set_power_state(bp, PCI_D0);
12081
12082 rtnl_unlock();
12083
12084 return PCI_ERS_RESULT_RECOVERED;
12085}
12086
12087/**
12088 * bnx2x_io_resume - called when traffic can start flowing again
12089 * @pdev: Pointer to PCI device
12090 *
12091 * This callback is called when the error recovery driver tells us that
12092 * its OK to resume normal operation.
12093 */
12094static void bnx2x_io_resume(struct pci_dev *pdev)
12095{
12096 struct net_device *dev = pci_get_drvdata(pdev);
12097 struct bnx2x *bp = netdev_priv(dev);
12098
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012099 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012100 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000012101 return;
12102 }
12103
Wendy Xiong493adb12008-06-23 20:36:22 -070012104 rtnl_lock();
12105
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012106 bnx2x_eeh_recover(bp);
12107
Wendy Xiong493adb12008-06-23 20:36:22 -070012108 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070012109 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070012110
12111 netif_device_attach(dev);
12112
12113 rtnl_unlock();
12114}
12115
12116static struct pci_error_handlers bnx2x_err_handler = {
12117 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000012118 .slot_reset = bnx2x_io_slot_reset,
12119 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070012120};
12121
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012122static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070012123 .name = DRV_MODULE_NAME,
12124 .id_table = bnx2x_pci_tbl,
12125 .probe = bnx2x_init_one,
12126 .remove = __devexit_p(bnx2x_remove_one),
12127 .suspend = bnx2x_suspend,
12128 .resume = bnx2x_resume,
12129 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012130};
12131
12132static int __init bnx2x_init(void)
12133{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012134 int ret;
12135
Joe Perches7995c642010-02-17 15:01:52 +000012136 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000012137
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012138 bnx2x_wq = create_singlethread_workqueue("bnx2x");
12139 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000012140 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012141 return -ENOMEM;
12142 }
12143
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012144 ret = pci_register_driver(&bnx2x_pci_driver);
12145 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000012146 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000012147 destroy_workqueue(bnx2x_wq);
12148 }
12149 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012150}
12151
12152static void __exit bnx2x_cleanup(void)
12153{
Yuval Mintz452427b2012-03-26 20:47:07 +000012154 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012155 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080012156
12157 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000012158
12159 /* Free globablly allocated resources */
12160 list_for_each_safe(pos, q, &bnx2x_prev_list) {
12161 struct bnx2x_prev_path_list *tmp =
12162 list_entry(pos, struct bnx2x_prev_path_list, list);
12163 list_del(pos);
12164 kfree(tmp);
12165 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012166}
12167
Yaniv Rosner3deb8162011-06-14 01:34:33 +000012168void bnx2x_notify_link_changed(struct bnx2x *bp)
12169{
12170 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
12171}
12172
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020012173module_init(bnx2x_init);
12174module_exit(bnx2x_cleanup);
12175
Michael Chan993ac7b2009-10-10 13:46:56 +000012176#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012177/**
12178 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
12179 *
12180 * @bp: driver handle
12181 * @set: set or clear the CAM entry
12182 *
12183 * This function will wait until the ramdord completion returns.
12184 * Return 0 if success, -ENODEV if ramrod doesn't return.
12185 */
Eric Dumazet1191cb82012-04-27 21:39:21 +000012186static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012187{
12188 unsigned long ramrod_flags = 0;
12189
12190 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12191 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
12192 &bp->iscsi_l2_mac_obj, true,
12193 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
12194}
Michael Chan993ac7b2009-10-10 13:46:56 +000012195
12196/* count denotes the number of new completions we have seen */
12197static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
12198{
12199 struct eth_spe *spe;
12200
12201#ifdef BNX2X_STOP_ON_ERROR
12202 if (unlikely(bp->panic))
12203 return;
12204#endif
12205
12206 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012207 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000012208 bp->cnic_spq_pending -= count;
12209
Michael Chan993ac7b2009-10-10 13:46:56 +000012210
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012211 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
12212 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
12213 & SPE_HDR_CONN_TYPE) >>
12214 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012215 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
12216 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012217
12218 /* Set validation for iSCSI L2 client before sending SETUP
12219 * ramrod
12220 */
12221 if (type == ETH_CONNECTION_TYPE) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012222 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012223 bnx2x_set_ctx_validation(bp, &bp->context.
12224 vcxt[BNX2X_ISCSI_ETH_CID].eth,
12225 BNX2X_ISCSI_ETH_CID);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012226 }
12227
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012228 /*
12229 * There may be not more than 8 L2, not more than 8 L5 SPEs
12230 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012231 * COMMON ramrods is not more than the EQ and SPQ can
12232 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012233 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012234 if (type == ETH_CONNECTION_TYPE) {
12235 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012236 break;
12237 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012238 atomic_dec(&bp->cq_spq_left);
12239 } else if (type == NONE_CONNECTION_TYPE) {
12240 if (!atomic_read(&bp->eq_spq_left))
12241 break;
12242 else
12243 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012244 } else if ((type == ISCSI_CONNECTION_TYPE) ||
12245 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012246 if (bp->cnic_spq_pending >=
12247 bp->cnic_eth_dev.max_kwqe_pending)
12248 break;
12249 else
12250 bp->cnic_spq_pending++;
12251 } else {
12252 BNX2X_ERR("Unknown SPE type: %d\n", type);
12253 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000012254 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012255 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012256
12257 spe = bnx2x_sp_get_next(bp);
12258 *spe = *bp->cnic_kwq_cons;
12259
Merav Sicron51c1a582012-03-18 10:33:38 +000012260 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012261 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
12262
12263 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
12264 bp->cnic_kwq_cons = bp->cnic_kwq;
12265 else
12266 bp->cnic_kwq_cons++;
12267 }
12268 bnx2x_sp_prod_update(bp);
12269 spin_unlock_bh(&bp->spq_lock);
12270}
12271
12272static int bnx2x_cnic_sp_queue(struct net_device *dev,
12273 struct kwqe_16 *kwqes[], u32 count)
12274{
12275 struct bnx2x *bp = netdev_priv(dev);
12276 int i;
12277
12278#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000012279 if (unlikely(bp->panic)) {
12280 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012281 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000012282 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012283#endif
12284
Ariel Elior95c6c6162012-01-26 06:01:52 +000012285 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
12286 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000012287 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000012288 return -EAGAIN;
12289 }
12290
Michael Chan993ac7b2009-10-10 13:46:56 +000012291 spin_lock_bh(&bp->spq_lock);
12292
12293 for (i = 0; i < count; i++) {
12294 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
12295
12296 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
12297 break;
12298
12299 *bp->cnic_kwq_prod = *spe;
12300
12301 bp->cnic_kwq_pending++;
12302
Merav Sicron51c1a582012-03-18 10:33:38 +000012303 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000012304 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012305 spe->data.update_data_addr.hi,
12306 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000012307 bp->cnic_kwq_pending);
12308
12309 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
12310 bp->cnic_kwq_prod = bp->cnic_kwq;
12311 else
12312 bp->cnic_kwq_prod++;
12313 }
12314
12315 spin_unlock_bh(&bp->spq_lock);
12316
12317 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
12318 bnx2x_cnic_sp_post(bp, 0);
12319
12320 return i;
12321}
12322
12323static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12324{
12325 struct cnic_ops *c_ops;
12326 int rc = 0;
12327
12328 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000012329 c_ops = rcu_dereference_protected(bp->cnic_ops,
12330 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000012331 if (c_ops)
12332 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12333 mutex_unlock(&bp->cnic_mutex);
12334
12335 return rc;
12336}
12337
12338static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
12339{
12340 struct cnic_ops *c_ops;
12341 int rc = 0;
12342
12343 rcu_read_lock();
12344 c_ops = rcu_dereference(bp->cnic_ops);
12345 if (c_ops)
12346 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
12347 rcu_read_unlock();
12348
12349 return rc;
12350}
12351
12352/*
12353 * for commands that have no data
12354 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012355int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000012356{
12357 struct cnic_ctl_info ctl = {0};
12358
12359 ctl.cmd = cmd;
12360
12361 return bnx2x_cnic_ctl_send(bp, &ctl);
12362}
12363
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012364static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000012365{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012366 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000012367
12368 /* first we tell CNIC and only then we count this as a completion */
12369 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
12370 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012371 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000012372
12373 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012374 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000012375}
12376
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012377
12378/* Called with netif_addr_lock_bh() taken.
12379 * Sets an rx_mode config for an iSCSI ETH client.
12380 * Doesn't block.
12381 * Completion should be checked outside.
12382 */
12383static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
12384{
12385 unsigned long accept_flags = 0, ramrod_flags = 0;
12386 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
12387 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
12388
12389 if (start) {
12390 /* Start accepting on iSCSI L2 ring. Accept all multicasts
12391 * because it's the only way for UIO Queue to accept
12392 * multicasts (in non-promiscuous mode only one Queue per
12393 * function will receive multicast packets (leading in our
12394 * case).
12395 */
12396 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
12397 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
12398 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
12399 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
12400
12401 /* Clear STOP_PENDING bit if START is requested */
12402 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
12403
12404 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
12405 } else
12406 /* Clear START_PENDING bit if STOP is requested */
12407 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
12408
12409 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
12410 set_bit(sched_state, &bp->sp_state);
12411 else {
12412 __set_bit(RAMROD_RX, &ramrod_flags);
12413 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
12414 ramrod_flags);
12415 }
12416}
12417
12418
Michael Chan993ac7b2009-10-10 13:46:56 +000012419static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
12420{
12421 struct bnx2x *bp = netdev_priv(dev);
12422 int rc = 0;
12423
12424 switch (ctl->cmd) {
12425 case DRV_CTL_CTXTBL_WR_CMD: {
12426 u32 index = ctl->data.io.offset;
12427 dma_addr_t addr = ctl->data.io.dma_addr;
12428
12429 bnx2x_ilt_wr(bp, index, addr);
12430 break;
12431 }
12432
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012433 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12434 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012435
12436 bnx2x_cnic_sp_post(bp, count);
12437 break;
12438 }
12439
12440 /* rtnl_lock is held. */
12441 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012442 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12443 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012444
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012445 /* Configure the iSCSI classification object */
12446 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12447 cp->iscsi_l2_client_id,
12448 cp->iscsi_l2_cid, BP_FUNC(bp),
12449 bnx2x_sp(bp, mac_rdata),
12450 bnx2x_sp_mapping(bp, mac_rdata),
12451 BNX2X_FILTER_MAC_PENDING,
12452 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12453 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012454
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012455 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012456 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12457 if (rc)
12458 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012459
12460 mmiowb();
12461 barrier();
12462
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012463 /* Start accepting on iSCSI L2 ring */
12464
12465 netif_addr_lock_bh(dev);
12466 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12467 netif_addr_unlock_bh(dev);
12468
12469 /* bits to wait on */
12470 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12471 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12472
12473 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12474 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012475
Michael Chan993ac7b2009-10-10 13:46:56 +000012476 break;
12477 }
12478
12479 /* rtnl_lock is held. */
12480 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012481 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012482
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012483 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012484 netif_addr_lock_bh(dev);
12485 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12486 netif_addr_unlock_bh(dev);
12487
12488 /* bits to wait on */
12489 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12490 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12491
12492 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12493 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012494
12495 mmiowb();
12496 barrier();
12497
12498 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012499 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12500 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012501 break;
12502 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012503 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12504 int count = ctl->data.credit.credit_count;
12505
12506 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012507 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012508 smp_mb__after_atomic_inc();
12509 break;
12510 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012511 case DRV_CTL_ULP_REGISTER_CMD: {
12512 int ulp_type = ctl->data.ulp_type;
12513
12514 if (CHIP_IS_E3(bp)) {
12515 int idx = BP_FW_MB_IDX(bp);
12516 u32 cap;
12517
12518 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12519 if (ulp_type == CNIC_ULP_ISCSI)
12520 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12521 else if (ulp_type == CNIC_ULP_FCOE)
12522 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12523 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12524 }
12525 break;
12526 }
12527 case DRV_CTL_ULP_UNREGISTER_CMD: {
12528 int ulp_type = ctl->data.ulp_type;
12529
12530 if (CHIP_IS_E3(bp)) {
12531 int idx = BP_FW_MB_IDX(bp);
12532 u32 cap;
12533
12534 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12535 if (ulp_type == CNIC_ULP_ISCSI)
12536 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12537 else if (ulp_type == CNIC_ULP_FCOE)
12538 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12539 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12540 }
12541 break;
12542 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012543
12544 default:
12545 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12546 rc = -EINVAL;
12547 }
12548
12549 return rc;
12550}
12551
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012552void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012553{
12554 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12555
12556 if (bp->flags & USING_MSIX_FLAG) {
12557 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12558 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12559 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12560 } else {
12561 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12562 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12563 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012564 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012565 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12566 else
12567 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12568
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012569 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12570 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012571 cp->irq_arr[1].status_blk = bp->def_status_blk;
12572 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012573 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012574
12575 cp->num_irq = 2;
12576}
12577
12578static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12579 void *data)
12580{
12581 struct bnx2x *bp = netdev_priv(dev);
12582 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12583
Merav Sicron51c1a582012-03-18 10:33:38 +000012584 if (ops == NULL) {
12585 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012586 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012587 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012588
Michael Chan993ac7b2009-10-10 13:46:56 +000012589 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12590 if (!bp->cnic_kwq)
12591 return -ENOMEM;
12592
12593 bp->cnic_kwq_cons = bp->cnic_kwq;
12594 bp->cnic_kwq_prod = bp->cnic_kwq;
12595 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12596
12597 bp->cnic_spq_pending = 0;
12598 bp->cnic_kwq_pending = 0;
12599
12600 bp->cnic_data = data;
12601
12602 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012603 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012604 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012605
Michael Chan993ac7b2009-10-10 13:46:56 +000012606 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012607
Michael Chan993ac7b2009-10-10 13:46:56 +000012608 rcu_assign_pointer(bp->cnic_ops, ops);
12609
12610 return 0;
12611}
12612
12613static int bnx2x_unregister_cnic(struct net_device *dev)
12614{
12615 struct bnx2x *bp = netdev_priv(dev);
12616 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12617
12618 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012619 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012620 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012621 mutex_unlock(&bp->cnic_mutex);
12622 synchronize_rcu();
12623 kfree(bp->cnic_kwq);
12624 bp->cnic_kwq = NULL;
12625
12626 return 0;
12627}
12628
12629struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12630{
12631 struct bnx2x *bp = netdev_priv(dev);
12632 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12633
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012634 /* If both iSCSI and FCoE are disabled - return NULL in
12635 * order to indicate CNIC that it should not try to work
12636 * with this device.
12637 */
12638 if (NO_ISCSI(bp) && NO_FCOE(bp))
12639 return NULL;
12640
Michael Chan993ac7b2009-10-10 13:46:56 +000012641 cp->drv_owner = THIS_MODULE;
12642 cp->chip_id = CHIP_ID(bp);
12643 cp->pdev = bp->pdev;
12644 cp->io_base = bp->regview;
12645 cp->io_base2 = bp->doorbells;
12646 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012647 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012648 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12649 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012650 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012651 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012652 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12653 cp->drv_ctl = bnx2x_drv_ctl;
12654 cp->drv_register_cnic = bnx2x_register_cnic;
12655 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012656 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012657 cp->iscsi_l2_client_id =
12658 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012659 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012660
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012661 if (NO_ISCSI_OOO(bp))
12662 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12663
12664 if (NO_ISCSI(bp))
12665 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12666
12667 if (NO_FCOE(bp))
12668 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12669
Merav Sicron51c1a582012-03-18 10:33:38 +000012670 BNX2X_DEV_INFO(
12671 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012672 cp->ctx_blk_size,
12673 cp->ctx_tbl_offset,
12674 cp->ctx_tbl_len,
12675 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012676 return cp;
12677}
12678EXPORT_SYMBOL(bnx2x_cnic_probe);
12679
12680#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012681