blob: 722450631302cd7e1d3b53ab3b07e506eaa4fc36 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Vladislav Zolotarov3359fce2010-02-17 13:35:01 -08003 * Copyright (c) 2007-2010 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
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020026#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/skbuff.h>
32#include <linux/dma-mapping.h>
33#include <linux/bitops.h>
34#include <linux/irq.h>
35#include <linux/delay.h>
36#include <asm/byteorder.h>
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080040#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020041#include <net/ip.h>
42#include <net/tcp.h>
43#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070044#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <linux/workqueue.h>
46#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/prefetch.h>
49#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020050#include <linux/io.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000051#include <linux/stringify.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000053#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include "bnx2x.h"
55#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070056#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000057#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000058#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include <linux/firmware.h>
61#include "bnx2x_fw_file_hdr.h"
62/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000063#define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000068#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000070#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070071
Eilon Greenstein34f80b02008-06-23 20:33:01 -070072/* Time in jiffies before concluding the transmitter is hung */
73#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074
Andrew Morton53a10562008-02-09 23:16:41 -080075static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070076 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070079MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000080MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082MODULE_LICENSE("GPL");
83MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000084MODULE_FIRMWARE(FW_FILE_NAME_E1);
85MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087
Eilon Greenstein555f6c72009-02-12 08:36:11 +000088static int multi_mode = 1;
89module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070090MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000093int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000094module_param(num_queues, int, 0);
95MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000097
Eilon Greenstein19680c42008-08-13 15:47:33 -070098static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -070099module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000100MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000101
102static int int_mode;
103module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000104MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Eilon Greensteina18f5122009-08-12 08:23:26 +0000107static int dropless_fc;
108module_param(dropless_fc, int, 0);
109MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
Eilon Greenstein9898f862009-02-12 08:38:27 +0000111static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000113MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114
115static int mrrs = -1;
116module_param(mrrs, int, 0);
117MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
Eilon Greenstein9898f862009-02-12 08:38:27 +0000119static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200120module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121MODULE_PARM_DESC(debug, " Default debug msglevel");
122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800123static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000125#ifdef BCM_CNIC
126static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127#endif
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129enum bnx2x_board_type {
130 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700131 BCM57711 = 1,
132 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000133 BCM57712 = 3,
134 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135};
136
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700137/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800138static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200139 char *name;
140} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146};
147
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000148#ifndef PCI_DEVICE_ID_NX2_57712
149#define PCI_DEVICE_ID_NX2_57712 0x1662
150#endif
151#ifndef PCI_DEVICE_ID_NX2_57712E
152#define PCI_DEVICE_ID_NX2_57712E 0x1663
153#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700154
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000155static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000156 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
157 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
158 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000159 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
160 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200161 { 0 }
162};
163
164MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
165
166/****************************************************************************
167* General service functions
168****************************************************************************/
169
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000170static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
171 u32 addr, dma_addr_t mapping)
172{
173 REG_WR(bp, addr, U64_LO(mapping));
174 REG_WR(bp, addr + 4, U64_HI(mapping));
175}
176
177static inline void __storm_memset_fill(struct bnx2x *bp,
178 u32 addr, size_t size, u32 val)
179{
180 int i;
181 for (i = 0; i < size/4; i++)
182 REG_WR(bp, addr + (i * 4), val);
183}
184
185static inline void storm_memset_ustats_zero(struct bnx2x *bp,
186 u8 port, u16 stat_id)
187{
188 size_t size = sizeof(struct ustorm_per_client_stats);
189
190 u32 addr = BAR_USTRORM_INTMEM +
191 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
192
193 __storm_memset_fill(bp, addr, size, 0);
194}
195
196static inline void storm_memset_tstats_zero(struct bnx2x *bp,
197 u8 port, u16 stat_id)
198{
199 size_t size = sizeof(struct tstorm_per_client_stats);
200
201 u32 addr = BAR_TSTRORM_INTMEM +
202 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
203
204 __storm_memset_fill(bp, addr, size, 0);
205}
206
207static inline void storm_memset_xstats_zero(struct bnx2x *bp,
208 u8 port, u16 stat_id)
209{
210 size_t size = sizeof(struct xstorm_per_client_stats);
211
212 u32 addr = BAR_XSTRORM_INTMEM +
213 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
214
215 __storm_memset_fill(bp, addr, size, 0);
216}
217
218
219static inline void storm_memset_spq_addr(struct bnx2x *bp,
220 dma_addr_t mapping, u16 abs_fid)
221{
222 u32 addr = XSEM_REG_FAST_MEMORY +
223 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
224
225 __storm_memset_dma_mapping(bp, addr, mapping);
226}
227
228static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
229{
230 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
231}
232
233static inline void storm_memset_func_cfg(struct bnx2x *bp,
234 struct tstorm_eth_function_common_config *tcfg,
235 u16 abs_fid)
236{
237 size_t size = sizeof(struct tstorm_eth_function_common_config);
238
239 u32 addr = BAR_TSTRORM_INTMEM +
240 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
241
242 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
243}
244
245static inline void storm_memset_xstats_flags(struct bnx2x *bp,
246 struct stats_indication_flags *flags,
247 u16 abs_fid)
248{
249 size_t size = sizeof(struct stats_indication_flags);
250
251 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
252
253 __storm_memset_struct(bp, addr, size, (u32 *)flags);
254}
255
256static inline void storm_memset_tstats_flags(struct bnx2x *bp,
257 struct stats_indication_flags *flags,
258 u16 abs_fid)
259{
260 size_t size = sizeof(struct stats_indication_flags);
261
262 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
263
264 __storm_memset_struct(bp, addr, size, (u32 *)flags);
265}
266
267static inline void storm_memset_ustats_flags(struct bnx2x *bp,
268 struct stats_indication_flags *flags,
269 u16 abs_fid)
270{
271 size_t size = sizeof(struct stats_indication_flags);
272
273 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
274
275 __storm_memset_struct(bp, addr, size, (u32 *)flags);
276}
277
278static inline void storm_memset_cstats_flags(struct bnx2x *bp,
279 struct stats_indication_flags *flags,
280 u16 abs_fid)
281{
282 size_t size = sizeof(struct stats_indication_flags);
283
284 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
285
286 __storm_memset_struct(bp, addr, size, (u32 *)flags);
287}
288
289static inline void storm_memset_xstats_addr(struct bnx2x *bp,
290 dma_addr_t mapping, u16 abs_fid)
291{
292 u32 addr = BAR_XSTRORM_INTMEM +
293 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
294
295 __storm_memset_dma_mapping(bp, addr, mapping);
296}
297
298static inline void storm_memset_tstats_addr(struct bnx2x *bp,
299 dma_addr_t mapping, u16 abs_fid)
300{
301 u32 addr = BAR_TSTRORM_INTMEM +
302 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
303
304 __storm_memset_dma_mapping(bp, addr, mapping);
305}
306
307static inline void storm_memset_ustats_addr(struct bnx2x *bp,
308 dma_addr_t mapping, u16 abs_fid)
309{
310 u32 addr = BAR_USTRORM_INTMEM +
311 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
312
313 __storm_memset_dma_mapping(bp, addr, mapping);
314}
315
316static inline void storm_memset_cstats_addr(struct bnx2x *bp,
317 dma_addr_t mapping, u16 abs_fid)
318{
319 u32 addr = BAR_CSTRORM_INTMEM +
320 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
321
322 __storm_memset_dma_mapping(bp, addr, mapping);
323}
324
325static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
326 u16 pf_id)
327{
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
329 pf_id);
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
331 pf_id);
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
333 pf_id);
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
335 pf_id);
336}
337
338static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
339 u8 enable)
340{
341 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
342 enable);
343 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
344 enable);
345 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
346 enable);
347 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
348 enable);
349}
350
351static inline void storm_memset_eq_data(struct bnx2x *bp,
352 struct event_ring_data *eq_data,
353 u16 pfid)
354{
355 size_t size = sizeof(struct event_ring_data);
356
357 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
358
359 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
360}
361
362static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
363 u16 pfid)
364{
365 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
366 REG_WR16(bp, addr, eq_prod);
367}
368
369static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
370 u16 fw_sb_id, u8 sb_index,
371 u8 ticks)
372{
373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000374 int index_offset = CHIP_IS_E2(bp) ?
375 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000376 offsetof(struct hc_status_block_data_e1x, index_data);
377 u32 addr = BAR_CSTRORM_INTMEM +
378 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
379 index_offset +
380 sizeof(struct hc_index_data)*sb_index +
381 offsetof(struct hc_index_data, timeout);
382 REG_WR8(bp, addr, ticks);
383 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
384 port, fw_sb_id, sb_index, ticks);
385}
386static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
387 u16 fw_sb_id, u8 sb_index,
388 u8 disable)
389{
390 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391 int index_offset = CHIP_IS_E2(bp) ?
392 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000393 offsetof(struct hc_status_block_data_e1x, index_data);
394 u32 addr = BAR_CSTRORM_INTMEM +
395 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
396 index_offset +
397 sizeof(struct hc_index_data)*sb_index +
398 offsetof(struct hc_index_data, flags);
399 u16 flags = REG_RD16(bp, addr);
400 /* clear and set */
401 flags &= ~HC_INDEX_DATA_HC_ENABLED;
402 flags |= enable_flag;
403 REG_WR16(bp, addr, flags);
404 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
405 port, fw_sb_id, sb_index, disable);
406}
407
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200408/* used only at init
409 * locking is done by mcp
410 */
stephen hemminger8d962862010-10-21 07:50:56 +0000411static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412{
413 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
414 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
415 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
416 PCICFG_VENDOR_ID_OFFSET);
417}
418
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200419static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
420{
421 u32 val;
422
423 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
424 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
425 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
426 PCICFG_VENDOR_ID_OFFSET);
427
428 return val;
429}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000431#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
432#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
433#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
434#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
435#define DMAE_DP_DST_NONE "dst_addr [none]"
436
stephen hemminger8d962862010-10-21 07:50:56 +0000437static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
438 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000439{
440 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
441
442 switch (dmae->opcode & DMAE_COMMAND_DST) {
443 case DMAE_CMD_DST_PCI:
444 if (src_type == DMAE_CMD_SRC_PCI)
445 DP(msglvl, "DMAE: opcode 0x%08x\n"
446 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
447 "comp_addr [%x:%08x], comp_val 0x%08x\n",
448 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
449 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
450 dmae->comp_addr_hi, dmae->comp_addr_lo,
451 dmae->comp_val);
452 else
453 DP(msglvl, "DMAE: opcode 0x%08x\n"
454 "src [%08x], len [%d*4], dst [%x:%08x]\n"
455 "comp_addr [%x:%08x], comp_val 0x%08x\n",
456 dmae->opcode, dmae->src_addr_lo >> 2,
457 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
458 dmae->comp_addr_hi, dmae->comp_addr_lo,
459 dmae->comp_val);
460 break;
461 case DMAE_CMD_DST_GRC:
462 if (src_type == DMAE_CMD_SRC_PCI)
463 DP(msglvl, "DMAE: opcode 0x%08x\n"
464 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
465 "comp_addr [%x:%08x], comp_val 0x%08x\n",
466 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
467 dmae->len, dmae->dst_addr_lo >> 2,
468 dmae->comp_addr_hi, dmae->comp_addr_lo,
469 dmae->comp_val);
470 else
471 DP(msglvl, "DMAE: opcode 0x%08x\n"
472 "src [%08x], len [%d*4], dst [%08x]\n"
473 "comp_addr [%x:%08x], comp_val 0x%08x\n",
474 dmae->opcode, dmae->src_addr_lo >> 2,
475 dmae->len, dmae->dst_addr_lo >> 2,
476 dmae->comp_addr_hi, dmae->comp_addr_lo,
477 dmae->comp_val);
478 break;
479 default:
480 if (src_type == DMAE_CMD_SRC_PCI)
481 DP(msglvl, "DMAE: opcode 0x%08x\n"
482 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
483 "dst_addr [none]\n"
484 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
485 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
486 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
487 dmae->comp_val);
488 else
489 DP(msglvl, "DMAE: opcode 0x%08x\n"
490 DP_LEVEL "src_addr [%08x] len [%d * 4] "
491 "dst_addr [none]\n"
492 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
493 dmae->opcode, dmae->src_addr_lo >> 2,
494 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
495 dmae->comp_val);
496 break;
497 }
498
499}
500
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000501const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200502 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
503 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
504 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
505 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
506};
507
508/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000509void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200510{
511 u32 cmd_offset;
512 int i;
513
514 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
515 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
516 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
517
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700518 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
519 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200520 }
521 REG_WR(bp, dmae_reg_go_c[idx], 1);
522}
523
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000524u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
525{
526 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
527 DMAE_CMD_C_ENABLE);
528}
529
530u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
531{
532 return opcode & ~DMAE_CMD_SRC_RESET;
533}
534
535u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
536 bool with_comp, u8 comp_type)
537{
538 u32 opcode = 0;
539
540 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
541 (dst_type << DMAE_COMMAND_DST_SHIFT));
542
543 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
544
545 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
546 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
547 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
548 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
549
550#ifdef __BIG_ENDIAN
551 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
552#else
553 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
554#endif
555 if (with_comp)
556 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
557 return opcode;
558}
559
stephen hemminger8d962862010-10-21 07:50:56 +0000560static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
561 struct dmae_command *dmae,
562 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000563{
564 memset(dmae, 0, sizeof(struct dmae_command));
565
566 /* set the opcode */
567 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
568 true, DMAE_COMP_PCI);
569
570 /* fill in the completion parameters */
571 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
572 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
573 dmae->comp_val = DMAE_COMP_VAL;
574}
575
576/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000577static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
578 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000579{
580 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
581 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
582 int rc = 0;
583
584 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
585 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
586 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
587
588 /* lock the dmae channel */
589 mutex_lock(&bp->dmae_mutex);
590
591 /* reset completion */
592 *wb_comp = 0;
593
594 /* post the command on the channel used for initializations */
595 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
596
597 /* wait for completion */
598 udelay(5);
599 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
600 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
601
602 if (!cnt) {
603 BNX2X_ERR("DMAE timeout!\n");
604 rc = DMAE_TIMEOUT;
605 goto unlock;
606 }
607 cnt--;
608 udelay(50);
609 }
610 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
611 BNX2X_ERR("DMAE PCI error!\n");
612 rc = DMAE_PCI_ERROR;
613 }
614
615 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
616 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
617 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
618
619unlock:
620 mutex_unlock(&bp->dmae_mutex);
621 return rc;
622}
623
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700624void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
625 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200626{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000627 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700628
629 if (!bp->dmae_ready) {
630 u32 *data = bnx2x_sp(bp, wb_data[0]);
631
632 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
633 " using indirect\n", dst_addr, len32);
634 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
635 return;
636 }
637
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000638 /* set opcode and fixed command fields */
639 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000642 dmae.src_addr_lo = U64_LO(dma_addr);
643 dmae.src_addr_hi = U64_HI(dma_addr);
644 dmae.dst_addr_lo = dst_addr >> 2;
645 dmae.dst_addr_hi = 0;
646 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200647
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000648 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200649
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000650 /* issue the command and wait for completion */
651 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200652}
653
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700654void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000656 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700657
658 if (!bp->dmae_ready) {
659 u32 *data = bnx2x_sp(bp, wb_data[0]);
660 int i;
661
662 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
663 " using indirect\n", src_addr, len32);
664 for (i = 0; i < len32; i++)
665 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
666 return;
667 }
668
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000669 /* set opcode and fixed command fields */
670 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000673 dmae.src_addr_lo = src_addr >> 2;
674 dmae.src_addr_hi = 0;
675 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
676 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
677 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000681 /* issue the command and wait for completion */
682 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200684
stephen hemminger8d962862010-10-21 07:50:56 +0000685static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
686 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000687{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000688 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 int offset = 0;
690
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000691 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000692 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000693 addr + offset, dmae_wr_max);
694 offset += dmae_wr_max * 4;
695 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000696 }
697
698 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
699}
700
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700701/* used only for slowpath so not inlined */
702static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
703{
704 u32 wb_write[2];
705
706 wb_write[0] = val_hi;
707 wb_write[1] = val_lo;
708 REG_WR_DMAE(bp, reg, wb_write, 2);
709}
710
711#ifdef USE_WB_RD
712static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
713{
714 u32 wb_data[2];
715
716 REG_RD_DMAE(bp, reg, wb_data, 2);
717
718 return HILO_U64(wb_data[0], wb_data[1]);
719}
720#endif
721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200722static int bnx2x_mc_assert(struct bnx2x *bp)
723{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200724 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700725 int i, rc = 0;
726 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700728 /* XSTORM */
729 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
730 XSTORM_ASSERT_LIST_INDEX_OFFSET);
731 if (last_idx)
732 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200733
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200736
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700737 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i));
739 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
740 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
741 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
742 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
743 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
744 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200745
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700746 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
747 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
748 " 0x%08x 0x%08x 0x%08x\n",
749 i, row3, row2, row1, row0);
750 rc++;
751 } else {
752 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200753 }
754 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700755
756 /* TSTORM */
757 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
758 TSTORM_ASSERT_LIST_INDEX_OFFSET);
759 if (last_idx)
760 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
761
762 /* print the asserts */
763 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
764
765 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i));
767 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
768 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
769 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
770 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
771 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
772 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
773
774 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
775 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
776 " 0x%08x 0x%08x 0x%08x\n",
777 i, row3, row2, row1, row0);
778 rc++;
779 } else {
780 break;
781 }
782 }
783
784 /* CSTORM */
785 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
786 CSTORM_ASSERT_LIST_INDEX_OFFSET);
787 if (last_idx)
788 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
789
790 /* print the asserts */
791 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
792
793 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i));
795 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
796 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
797 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
798 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
799 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
800 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
801
802 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
803 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
804 " 0x%08x 0x%08x 0x%08x\n",
805 i, row3, row2, row1, row0);
806 rc++;
807 } else {
808 break;
809 }
810 }
811
812 /* USTORM */
813 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
814 USTORM_ASSERT_LIST_INDEX_OFFSET);
815 if (last_idx)
816 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
817
818 /* print the asserts */
819 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
820
821 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i));
823 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
824 USTORM_ASSERT_LIST_OFFSET(i) + 4);
825 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
826 USTORM_ASSERT_LIST_OFFSET(i) + 8);
827 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
828 USTORM_ASSERT_LIST_OFFSET(i) + 12);
829
830 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
831 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
832 " 0x%08x 0x%08x 0x%08x\n",
833 i, row3, row2, row1, row0);
834 rc++;
835 } else {
836 break;
837 }
838 }
839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200840 return rc;
841}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200843static void bnx2x_fw_dump(struct bnx2x *bp)
844{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000845 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200846 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000847 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200848 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000849 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000850 if (BP_NOMCP(bp)) {
851 BNX2X_ERR("NO MCP - can not dump\n");
852 return;
853 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000854
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000855 if (BP_PATH(bp) == 0)
856 trace_shmem_base = bp->common.shmem_base;
857 else
858 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
859 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000860 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000861 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
862 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864
Joe Perches7995c642010-02-17 15:01:52 +0000865 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000866 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000868 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200869 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000870 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200871 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000872 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000874 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000876 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200877 }
Joe Perches7995c642010-02-17 15:01:52 +0000878 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200879}
880
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000881void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200882{
883 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000884 u16 j;
885 struct hc_sp_status_block_data sp_sb_data;
886 int func = BP_FUNC(bp);
887#ifdef BNX2X_STOP_ON_ERROR
888 u16 start = 0, end = 0;
889#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200890
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700891 bp->stats_state = STATS_STATE_DISABLED;
892 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
893
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200894 BNX2X_ERR("begin crash dump -----------------\n");
895
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000896 /* Indices */
897 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000898 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000899 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000900 bp->def_idx, bp->def_att_idx,
901 bp->attn_state, bp->spq_prod_idx);
902 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
903 bp->def_status_blk->atten_status_block.attn_bits,
904 bp->def_status_blk->atten_status_block.attn_bits_ack,
905 bp->def_status_blk->atten_status_block.status_block_id,
906 bp->def_status_blk->atten_status_block.attn_bits_index);
907 BNX2X_ERR(" def (");
908 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
909 pr_cont("0x%x%s",
910 bp->def_status_blk->sp_sb.index_values[i],
911 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000912
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000913 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
914 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
915 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
916 i*sizeof(u32));
917
918 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
919 "pf_id(0x%x) vnic_id(0x%x) "
920 "vf_id(0x%x) vf_valid (0x%x)\n",
921 sp_sb_data.igu_sb_id,
922 sp_sb_data.igu_seg_id,
923 sp_sb_data.p_func.pf_id,
924 sp_sb_data.p_func.vnic_id,
925 sp_sb_data.p_func.vf_id,
926 sp_sb_data.p_func.vf_valid);
927
928
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000929 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000930 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000931 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000933 struct hc_status_block_data_e1x sb_data_e1x;
934 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000935 CHIP_IS_E2(bp) ?
936 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000937 sb_data_e1x.common.state_machine;
938 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000939 CHIP_IS_E2(bp) ?
940 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000941 sb_data_e1x.index_data;
942 int data_size;
943 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000945 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000946 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000948 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000951 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000952 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000953 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000954 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000955 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000956
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000958 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
959 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
960 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200961 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700962 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000963
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000964 loop = CHIP_IS_E2(bp) ?
965 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966
967 /* host sb data */
968
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000969#ifdef BCM_CNIC
970 if (IS_FCOE_FP(fp))
971 continue;
972#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000973 BNX2X_ERR(" run indexes (");
974 for (j = 0; j < HC_SB_MAX_SM; j++)
975 pr_cont("0x%x%s",
976 fp->sb_running_index[j],
977 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
978
979 BNX2X_ERR(" indexes (");
980 for (j = 0; j < loop; j++)
981 pr_cont("0x%x%s",
982 fp->sb_index_values[j],
983 (j == loop - 1) ? ")" : " ");
984 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000985 data_size = CHIP_IS_E2(bp) ?
986 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000987 sizeof(struct hc_status_block_data_e1x);
988 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000989 sb_data_p = CHIP_IS_E2(bp) ?
990 (u32 *)&sb_data_e2 :
991 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000992 /* copy sb data in here */
993 for (j = 0; j < data_size; j++)
994 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
995 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
996 j * sizeof(u32));
997
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000998 if (CHIP_IS_E2(bp)) {
999 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1000 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1001 sb_data_e2.common.p_func.pf_id,
1002 sb_data_e2.common.p_func.vf_id,
1003 sb_data_e2.common.p_func.vf_valid,
1004 sb_data_e2.common.p_func.vnic_id,
1005 sb_data_e2.common.same_igu_sb_1b);
1006 } else {
1007 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1008 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1009 sb_data_e1x.common.p_func.pf_id,
1010 sb_data_e1x.common.p_func.vf_id,
1011 sb_data_e1x.common.p_func.vf_valid,
1012 sb_data_e1x.common.p_func.vnic_id,
1013 sb_data_e1x.common.same_igu_sb_1b);
1014 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001015
1016 /* SB_SMs data */
1017 for (j = 0; j < HC_SB_MAX_SM; j++) {
1018 pr_cont("SM[%d] __flags (0x%x) "
1019 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1020 "time_to_expire (0x%x) "
1021 "timer_value(0x%x)\n", j,
1022 hc_sm_p[j].__flags,
1023 hc_sm_p[j].igu_sb_id,
1024 hc_sm_p[j].igu_seg_id,
1025 hc_sm_p[j].time_to_expire,
1026 hc_sm_p[j].timer_value);
1027 }
1028
1029 /* Indecies data */
1030 for (j = 0; j < loop; j++) {
1031 pr_cont("INDEX[%d] flags (0x%x) "
1032 "timeout (0x%x)\n", j,
1033 hc_index_p[j].flags,
1034 hc_index_p[j].timeout);
1035 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001036 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001037
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001038#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 /* Rings */
1040 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001041 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001042 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001043
1044 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1045 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001046 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001047 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1048 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1049
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001050 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1051 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001052 }
1053
Eilon Greenstein3196a882008-08-13 15:58:49 -07001054 start = RX_SGE(fp->rx_sge_prod);
1055 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001056 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001057 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1058 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1059
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001060 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1061 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001062 }
1063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 start = RCQ_BD(fp->rx_comp_cons - 10);
1065 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001066 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001067 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1068
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001071 }
1072 }
1073
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001074 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001075 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001076 struct bnx2x_fastpath *fp = &bp->fp[i];
1077
1078 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1079 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1080 for (j = start; j != end; j = TX_BD(j + 1)) {
1081 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1082
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001083 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1084 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001085 }
1086
1087 start = TX_BD(fp->tx_bd_cons - 10);
1088 end = TX_BD(fp->tx_bd_cons + 254);
1089 for (j = start; j != end; j = TX_BD(j + 1)) {
1090 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1091
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001092 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1093 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001094 }
1095 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001096#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 bnx2x_mc_assert(bp);
1099 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001100}
1101
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001102static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001103{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001104 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001105 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1106 u32 val = REG_RD(bp, addr);
1107 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001109
1110 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001111 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1114 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001115 } else if (msi) {
1116 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1117 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1119 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001120 } else {
1121 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001123 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1124 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001125
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001126 if (!CHIP_IS_E1(bp)) {
1127 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1128 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001129
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001130 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001131
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001132 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1133 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134 }
1135
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001136 if (CHIP_IS_E1(bp))
1137 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1138
Eilon Greenstein8badd272009-02-12 08:36:15 +00001139 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1140 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001141
1142 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001143 /*
1144 * Ensure that HC_CONFIG is written before leading/trailing edge config
1145 */
1146 mmiowb();
1147 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001148
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001149 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001150 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001151 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001152 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001153 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001154 /* enable nig and gpio3 attention */
1155 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001156 } else
1157 val = 0xffff;
1158
1159 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1160 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1161 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001162
1163 /* Make sure that interrupts are indeed enabled from here on */
1164 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001165}
1166
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001167static void bnx2x_igu_int_enable(struct bnx2x *bp)
1168{
1169 u32 val;
1170 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1171 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1172
1173 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1174
1175 if (msix) {
1176 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1177 IGU_PF_CONF_SINGLE_ISR_EN);
1178 val |= (IGU_PF_CONF_FUNC_EN |
1179 IGU_PF_CONF_MSI_MSIX_EN |
1180 IGU_PF_CONF_ATTN_BIT_EN);
1181 } else if (msi) {
1182 val &= ~IGU_PF_CONF_INT_LINE_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_MSI_MSIX_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1187 } else {
1188 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_INT_LINE_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1193 }
1194
1195 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1196 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1197
1198 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1199
1200 barrier();
1201
1202 /* init leading/trailing edge */
1203 if (IS_MF(bp)) {
1204 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1205 if (bp->port.pmf)
1206 /* enable nig and gpio3 attention */
1207 val |= 0x1100;
1208 } else
1209 val = 0xffff;
1210
1211 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1212 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1213
1214 /* Make sure that interrupts are indeed enabled from here on */
1215 mmiowb();
1216}
1217
1218void bnx2x_int_enable(struct bnx2x *bp)
1219{
1220 if (bp->common.int_block == INT_BLOCK_HC)
1221 bnx2x_hc_int_enable(bp);
1222 else
1223 bnx2x_igu_int_enable(bp);
1224}
1225
1226static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001227{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001228 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001229 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1230 u32 val = REG_RD(bp, addr);
1231
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001232 /*
1233 * in E1 we must use only PCI configuration space to disable
1234 * MSI/MSIX capablility
1235 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1236 */
1237 if (CHIP_IS_E1(bp)) {
1238 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1239 * Use mask register to prevent from HC sending interrupts
1240 * after we exit the function
1241 */
1242 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1243
1244 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1245 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1246 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1247 } else
1248 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1249 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1250 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1251 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252
1253 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1254 val, port, addr);
1255
Eilon Greenstein8badd272009-02-12 08:36:15 +00001256 /* flush all outstanding writes */
1257 mmiowb();
1258
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001259 REG_WR(bp, addr, val);
1260 if (REG_RD(bp, addr) != val)
1261 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1262}
1263
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001264static void bnx2x_igu_int_disable(struct bnx2x *bp)
1265{
1266 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1267
1268 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1269 IGU_PF_CONF_INT_LINE_EN |
1270 IGU_PF_CONF_ATTN_BIT_EN);
1271
1272 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1273
1274 /* flush all outstanding writes */
1275 mmiowb();
1276
1277 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1278 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1279 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1280}
1281
stephen hemminger8d962862010-10-21 07:50:56 +00001282static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001283{
1284 if (bp->common.int_block == INT_BLOCK_HC)
1285 bnx2x_hc_int_disable(bp);
1286 else
1287 bnx2x_igu_int_disable(bp);
1288}
1289
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001290void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001291{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001292 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001293 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001295 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001296 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001297 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1298
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001299 if (disable_hw)
1300 /* prevent the HW from sending interrupts */
1301 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302
1303 /* make sure all ISRs are done */
1304 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001305 synchronize_irq(bp->msix_table[0].vector);
1306 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001307#ifdef BCM_CNIC
1308 offset++;
1309#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001310 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001311 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001312 } else
1313 synchronize_irq(bp->pdev->irq);
1314
1315 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001316 cancel_delayed_work(&bp->sp_task);
1317 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318}
1319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001320/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001321
1322/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001323 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001324 */
1325
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001326/* Return true if succeeded to acquire the lock */
1327static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1328{
1329 u32 lock_status;
1330 u32 resource_bit = (1 << resource);
1331 int func = BP_FUNC(bp);
1332 u32 hw_lock_control_reg;
1333
1334 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1335
1336 /* Validating that the resource is within range */
1337 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1338 DP(NETIF_MSG_HW,
1339 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1340 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001341 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001342 }
1343
1344 if (func <= 5)
1345 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1346 else
1347 hw_lock_control_reg =
1348 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1349
1350 /* Try to acquire the lock */
1351 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1352 lock_status = REG_RD(bp, hw_lock_control_reg);
1353 if (lock_status & resource_bit)
1354 return true;
1355
1356 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1357 return false;
1358}
1359
Michael Chan993ac7b2009-10-10 13:46:56 +00001360#ifdef BCM_CNIC
1361static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1362#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001363
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001364void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 union eth_rx_cqe *rr_cqe)
1366{
1367 struct bnx2x *bp = fp->bp;
1368 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1369 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001371 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001372 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001373 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001374 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 switch (command | fp->state) {
1377 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1378 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1379 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001380 break;
1381
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001382 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1383 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001384 fp->state = BNX2X_FP_STATE_HALTED;
1385 break;
1386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1388 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1389 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001390 break;
1391
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001392 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001393 BNX2X_ERR("unexpected MC reply (%d) "
1394 "fp[%d] state is %x\n",
1395 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001396 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001397 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001398
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001399 smp_mb__before_atomic_inc();
1400 atomic_inc(&bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001401 /* push the change in fp->state and towards the memory */
1402 smp_wmb();
1403
1404 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001405}
1406
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001407irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001409 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001410 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001411 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001412 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(status == 0)) {
1416 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1417 return IRQ_NONE;
1418 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001419 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001421 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1423 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1424 return IRQ_HANDLED;
1425 }
1426
Eilon Greenstein3196a882008-08-13 15:58:49 -07001427#ifdef BNX2X_STOP_ON_ERROR
1428 if (unlikely(bp->panic))
1429 return IRQ_HANDLED;
1430#endif
1431
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001432 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001433 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001435 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001436 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001437 /* Handle Rx and Tx according to SB id */
1438 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001439 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001441 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001442 status &= ~mask;
1443 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001444 }
1445
Michael Chan993ac7b2009-10-10 13:46:56 +00001446#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001447 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001448 if (status & (mask | 0x1)) {
1449 struct cnic_ops *c_ops = NULL;
1450
1451 rcu_read_lock();
1452 c_ops = rcu_dereference(bp->cnic_ops);
1453 if (c_ops)
1454 c_ops->cnic_handler(bp->cnic_data, NULL);
1455 rcu_read_unlock();
1456
1457 status &= ~mask;
1458 }
1459#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001461 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001462 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463
1464 status &= ~0x1;
1465 if (!status)
1466 return IRQ_HANDLED;
1467 }
1468
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001469 if (unlikely(status))
1470 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001471 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001472
1473 return IRQ_HANDLED;
1474}
1475
1476/* end of fast path */
1477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001478
1479/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001480
1481/*
1482 * General service functions
1483 */
1484
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001485int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001486{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001487 u32 lock_status;
1488 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001489 int func = BP_FUNC(bp);
1490 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001491 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001492
1493 /* Validating that the resource is within range */
1494 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1495 DP(NETIF_MSG_HW,
1496 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1497 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1498 return -EINVAL;
1499 }
1500
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001501 if (func <= 5) {
1502 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1503 } else {
1504 hw_lock_control_reg =
1505 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1506 }
1507
Eliezer Tamirf1410642008-02-28 11:51:50 -08001508 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001509 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001510 if (lock_status & resource_bit) {
1511 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1512 lock_status, resource_bit);
1513 return -EEXIST;
1514 }
1515
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001516 /* Try for 5 second every 5ms */
1517 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001518 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001519 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1520 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001521 if (lock_status & resource_bit)
1522 return 0;
1523
1524 msleep(5);
1525 }
1526 DP(NETIF_MSG_HW, "Timeout\n");
1527 return -EAGAIN;
1528}
1529
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001530int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001531{
1532 u32 lock_status;
1533 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001534 int func = BP_FUNC(bp);
1535 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001536
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001537 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1538
Eliezer Tamirf1410642008-02-28 11:51:50 -08001539 /* Validating that the resource is within range */
1540 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1541 DP(NETIF_MSG_HW,
1542 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1543 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1544 return -EINVAL;
1545 }
1546
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001547 if (func <= 5) {
1548 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1549 } else {
1550 hw_lock_control_reg =
1551 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1552 }
1553
Eliezer Tamirf1410642008-02-28 11:51:50 -08001554 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 if (!(lock_status & resource_bit)) {
1557 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1558 lock_status, resource_bit);
1559 return -EFAULT;
1560 }
1561
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001562 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001563 return 0;
1564}
1565
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001566
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001567int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1568{
1569 /* The GPIO should be swapped if swap register is set and active */
1570 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1571 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1572 int gpio_shift = gpio_num +
1573 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1574 u32 gpio_mask = (1 << gpio_shift);
1575 u32 gpio_reg;
1576 int value;
1577
1578 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1579 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1580 return -EINVAL;
1581 }
1582
1583 /* read GPIO value */
1584 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1585
1586 /* get the requested pin value */
1587 if ((gpio_reg & gpio_mask) == gpio_mask)
1588 value = 1;
1589 else
1590 value = 0;
1591
1592 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1593
1594 return value;
1595}
1596
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001597int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001598{
1599 /* The GPIO should be swapped if swap register is set and active */
1600 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001601 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001602 int gpio_shift = gpio_num +
1603 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1604 u32 gpio_mask = (1 << gpio_shift);
1605 u32 gpio_reg;
1606
1607 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1608 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1609 return -EINVAL;
1610 }
1611
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001612 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001613 /* read GPIO and mask except the float bits */
1614 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1615
1616 switch (mode) {
1617 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1618 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1619 gpio_num, gpio_shift);
1620 /* clear FLOAT and set CLR */
1621 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1622 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1623 break;
1624
1625 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1626 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1627 gpio_num, gpio_shift);
1628 /* clear FLOAT and set SET */
1629 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1631 break;
1632
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001633 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001634 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1635 gpio_num, gpio_shift);
1636 /* set FLOAT */
1637 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1638 break;
1639
1640 default:
1641 break;
1642 }
1643
1644 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001645 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001646
1647 return 0;
1648}
1649
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001650int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1651{
1652 /* The GPIO should be swapped if swap register is set and active */
1653 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1654 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1655 int gpio_shift = gpio_num +
1656 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1657 u32 gpio_mask = (1 << gpio_shift);
1658 u32 gpio_reg;
1659
1660 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1661 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1662 return -EINVAL;
1663 }
1664
1665 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1666 /* read GPIO int */
1667 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1668
1669 switch (mode) {
1670 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1671 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1672 "output low\n", gpio_num, gpio_shift);
1673 /* clear SET and set CLR */
1674 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1675 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 break;
1677
1678 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1679 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1680 "output high\n", gpio_num, gpio_shift);
1681 /* clear CLR and set SET */
1682 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1683 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1684 break;
1685
1686 default:
1687 break;
1688 }
1689
1690 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1691 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1692
1693 return 0;
1694}
1695
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1697{
1698 u32 spio_mask = (1 << spio_num);
1699 u32 spio_reg;
1700
1701 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1702 (spio_num > MISC_REGISTERS_SPIO_7)) {
1703 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1704 return -EINVAL;
1705 }
1706
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001707 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001708 /* read SPIO and mask except the float bits */
1709 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1710
1711 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1714 /* clear FLOAT and set CLR */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1717 break;
1718
Eilon Greenstein6378c022008-08-13 15:59:25 -07001719 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001720 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1721 /* clear FLOAT and set SET */
1722 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1724 break;
1725
1726 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1727 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1728 /* set FLOAT */
1729 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1730 break;
1731
1732 default:
1733 break;
1734 }
1735
1736 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001737 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001738
1739 return 0;
1740}
1741
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001742int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1743{
1744 u32 sel_phy_idx = 0;
1745 if (bp->link_vars.link_up) {
1746 sel_phy_idx = EXT_PHY1;
1747 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1748 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1749 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1750 sel_phy_idx = EXT_PHY2;
1751 } else {
1752
1753 switch (bnx2x_phy_selection(&bp->link_params)) {
1754 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1755 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1756 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1757 sel_phy_idx = EXT_PHY1;
1758 break;
1759 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1760 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1761 sel_phy_idx = EXT_PHY2;
1762 break;
1763 }
1764 }
1765 /*
1766 * The selected actived PHY is always after swapping (in case PHY
1767 * swapping is enabled). So when swapping is enabled, we need to reverse
1768 * the configuration
1769 */
1770
1771 if (bp->link_params.multi_phy_config &
1772 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1773 if (sel_phy_idx == EXT_PHY1)
1774 sel_phy_idx = EXT_PHY2;
1775 else if (sel_phy_idx == EXT_PHY2)
1776 sel_phy_idx = EXT_PHY1;
1777 }
1778 return LINK_CONFIG_IDX(sel_phy_idx);
1779}
1780
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001781void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001782{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001783 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001784 switch (bp->link_vars.ieee_fc &
1785 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001786 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001787 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001788 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001789 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001790
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001791 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001792 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001793 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001794 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001795
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001796 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001797 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001798 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001799
Eliezer Tamirf1410642008-02-28 11:51:50 -08001800 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001801 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001802 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001803 break;
1804 }
1805}
1806
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001807u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001808{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001809 if (!BP_NOMCP(bp)) {
1810 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001811 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1812 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001813 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001814 /* It is recommended to turn off RX FC for jumbo frames
1815 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001816 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001817 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001818 else
David S. Millerc0700f92008-12-16 23:53:20 -08001819 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001820
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001821 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001822
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001823 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001824 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001825 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1826 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001827
Eilon Greenstein19680c42008-08-13 15:47:33 -07001828 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001829
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001830 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001831
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001832 bnx2x_calc_fc_adv(bp);
1833
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001834 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1835 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001836 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001837 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001838 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001839 return rc;
1840 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001841 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001842 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001843}
1844
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001845void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001846{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001847 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001848 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001849 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001850 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001851 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001852
Eilon Greenstein19680c42008-08-13 15:47:33 -07001853 bnx2x_calc_fc_adv(bp);
1854 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001855 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001856}
1857
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001858static void bnx2x__link_reset(struct bnx2x *bp)
1859{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001860 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001861 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001862 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001863 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001864 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001865 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001866}
1867
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001868u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001869{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001870 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001871
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001872 if (!BP_NOMCP(bp)) {
1873 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001874 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1875 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001876 bnx2x_release_phy_lock(bp);
1877 } else
1878 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001879
1880 return rc;
1881}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001882
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001883static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001884{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001885 u32 r_param = bp->link_vars.line_speed / 8;
1886 u32 fair_periodic_timeout_usec;
1887 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001888
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001889 memset(&(bp->cmng.rs_vars), 0,
1890 sizeof(struct rate_shaping_vars_per_port));
1891 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001892
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001893 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1894 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001895
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001896 /* this is the threshold below which no timer arming will occur
1897 1.25 coefficient is for the threshold to be a little bigger
1898 than the real time, to compensate for timer in-accuracy */
1899 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001900 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1901
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001902 /* resolution of fairness timer */
1903 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1904 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1905 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001906
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001907 /* this is the threshold below which we won't arm the timer anymore */
1908 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001910 /* we multiply by 1e3/8 to get bytes/msec.
1911 We don't want the credits to pass a credit
1912 of the t_fair*FAIR_MEM (algorithm resolution) */
1913 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1914 /* since each tick is 4 usec */
1915 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001916}
1917
Eilon Greenstein2691d512009-08-12 08:22:08 +00001918/* Calculates the sum of vn_min_rates.
1919 It's needed for further normalizing of the min_rates.
1920 Returns:
1921 sum of vn_min_rates.
1922 or
1923 0 - if all the min_rates are 0.
1924 In the later case fainess algorithm should be deactivated.
1925 If not all min_rates are zero then those that are zeroes will be set to 1.
1926 */
1927static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1928{
1929 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001930 int vn;
1931
1932 bp->vn_weight_sum = 0;
1933 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001934 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001935 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1936 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1937
1938 /* Skip hidden vns */
1939 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1940 continue;
1941
1942 /* If min rate is zero - set it to 1 */
1943 if (!vn_min_rate)
1944 vn_min_rate = DEF_MIN_RATE;
1945 else
1946 all_zero = 0;
1947
1948 bp->vn_weight_sum += vn_min_rate;
1949 }
1950
1951 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001952 if (all_zero) {
1953 bp->cmng.flags.cmng_enables &=
1954 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1955 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1956 " fairness will be disabled\n");
1957 } else
1958 bp->cmng.flags.cmng_enables |=
1959 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001960}
1961
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001962static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001963{
1964 struct rate_shaping_vars_per_vn m_rs_vn;
1965 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001966 u32 vn_cfg = bp->mf_config[vn];
1967 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001968 u16 vn_min_rate, vn_max_rate;
1969 int i;
1970
1971 /* If function is hidden - set min and max to zeroes */
1972 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1973 vn_min_rate = 0;
1974 vn_max_rate = 0;
1975
1976 } else {
1977 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1978 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001979 /* If min rate is zero - set it to 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001980 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001981 vn_min_rate = DEF_MIN_RATE;
1982 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1983 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
1984 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001985
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001986 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001987 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001988 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001989
1990 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1991 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1992
1993 /* global vn counter - maximal Mbps for this vn */
1994 m_rs_vn.vn_counter.rate = vn_max_rate;
1995
1996 /* quota - number of bytes transmitted in this period */
1997 m_rs_vn.vn_counter.quota =
1998 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1999
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002000 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002001 /* credit for each period of the fairness algorithm:
2002 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002003 vn_weight_sum should not be larger than 10000, thus
2004 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2005 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002006 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002007 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2008 (8 * bp->vn_weight_sum))),
2009 (bp->cmng.fair_vars.fair_threshold * 2));
2010 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002011 m_fair_vn.vn_credit_delta);
2012 }
2013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 /* Store it to internal memory */
2015 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2016 REG_WR(bp, BAR_XSTRORM_INTMEM +
2017 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2018 ((u32 *)(&m_rs_vn))[i]);
2019
2020 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2021 REG_WR(bp, BAR_XSTRORM_INTMEM +
2022 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2023 ((u32 *)(&m_fair_vn))[i]);
2024}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002025
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002026static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2027{
2028 if (CHIP_REV_IS_SLOW(bp))
2029 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002030 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002031 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002032
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002033 return CMNG_FNS_NONE;
2034}
2035
2036static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2037{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002038 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002039
2040 if (BP_NOMCP(bp))
2041 return; /* what should be the default bvalue in this case */
2042
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002043 /* For 2 port configuration the absolute function number formula
2044 * is:
2045 * abs_func = 2 * vn + BP_PORT + BP_PATH
2046 *
2047 * and there are 4 functions per port
2048 *
2049 * For 4 port configuration it is
2050 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2051 *
2052 * and there are 2 functions per port
2053 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002054 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002055 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2056
2057 if (func >= E1H_FUNC_MAX)
2058 break;
2059
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002060 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002061 MF_CFG_RD(bp, func_mf_config[func].config);
2062 }
2063}
2064
2065static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2066{
2067
2068 if (cmng_type == CMNG_FNS_MINMAX) {
2069 int vn;
2070
2071 /* clear cmng_enables */
2072 bp->cmng.flags.cmng_enables = 0;
2073
2074 /* read mf conf from shmem */
2075 if (read_cfg)
2076 bnx2x_read_mf_cfg(bp);
2077
2078 /* Init rate shaping and fairness contexts */
2079 bnx2x_init_port_minmax(bp);
2080
2081 /* vn_weight_sum and enable fairness if not 0 */
2082 bnx2x_calc_vn_weight_sum(bp);
2083
2084 /* calculate and set min-max rate for each vn */
2085 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2086 bnx2x_init_vn_minmax(bp, vn);
2087
2088 /* always enable rate shaping and fairness */
2089 bp->cmng.flags.cmng_enables |=
2090 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2091 if (!bp->vn_weight_sum)
2092 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2093 " fairness will be disabled\n");
2094 return;
2095 }
2096
2097 /* rate shaping and fairness are disabled */
2098 DP(NETIF_MSG_IFUP,
2099 "rate shaping and fairness are disabled\n");
2100}
2101
2102static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2103{
2104 int port = BP_PORT(bp);
2105 int func;
2106 int vn;
2107
2108 /* Set the attention towards other drivers on the same port */
2109 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2110 if (vn == BP_E1HVN(bp))
2111 continue;
2112
2113 func = ((vn << 1) | port);
2114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2115 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2116 }
2117}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002118
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002119/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002120static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002121{
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002122 u32 prev_link_status = bp->link_vars.link_status;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002123 /* Make sure that we are synced with the current statistics */
2124 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2125
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002126 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002127
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002128 if (bp->link_vars.link_up) {
2129
Eilon Greenstein1c063282009-02-12 08:36:43 +00002130 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002131 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002132 int port = BP_PORT(bp);
2133 u32 pause_enabled = 0;
2134
2135 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2136 pause_enabled = 1;
2137
2138 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002139 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002140 pause_enabled);
2141 }
2142
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002143 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2144 struct host_port_stats *pstats;
2145
2146 pstats = bnx2x_sp(bp, port_stats);
2147 /* reset old bmac stats */
2148 memset(&(pstats->mac_stx[0]), 0,
2149 sizeof(struct mac_stx));
2150 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002151 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2153 }
2154
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002155 /* indicate link status only if link status actually changed */
2156 if (prev_link_status != bp->link_vars.link_status)
2157 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002158
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002159 if (IS_MF(bp))
2160 bnx2x_link_sync_notify(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002162 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2163 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002164
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002165 if (cmng_fns != CMNG_FNS_NONE) {
2166 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2167 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2168 } else
2169 /* rate shaping and fairness are disabled */
2170 DP(NETIF_MSG_IFUP,
2171 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002172 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002173}
2174
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002175void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002176{
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002177 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002178 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002179
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002180 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2181
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002182 if (bp->link_vars.link_up)
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2184 else
2185 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2186
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002187 /* the link status update could be the result of a DCC event
2188 hence re-read the shmem mf configuration */
2189 bnx2x_read_mf_cfg(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002190
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002191 /* indicate link status */
2192 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002193}
2194
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002195static void bnx2x_pmf_update(struct bnx2x *bp)
2196{
2197 int port = BP_PORT(bp);
2198 u32 val;
2199
2200 bp->port.pmf = 1;
2201 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2202
2203 /* enable nig attention */
2204 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002205 if (bp->common.int_block == INT_BLOCK_HC) {
2206 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2207 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2208 } else if (CHIP_IS_E2(bp)) {
2209 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2210 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2211 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002212
2213 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002214}
2215
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002216/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217
2218/* slow path */
2219
2220/*
2221 * General service functions
2222 */
2223
Eilon Greenstein2691d512009-08-12 08:22:08 +00002224/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002225u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002226{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002227 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002228 u32 seq = ++bp->fw_seq;
2229 u32 rc = 0;
2230 u32 cnt = 1;
2231 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2232
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002233 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2235 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2236
Eilon Greenstein2691d512009-08-12 08:22:08 +00002237 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2238
2239 do {
2240 /* let the FW do it's magic ... */
2241 msleep(delay);
2242
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002243 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002244
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002245 /* Give the FW up to 5 second (500*10ms) */
2246 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002247
2248 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2249 cnt*delay, rc, seq);
2250
2251 /* is this a reply to our command? */
2252 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2253 rc &= FW_MSG_CODE_MASK;
2254 else {
2255 /* FW BUG! */
2256 BNX2X_ERR("FW failed to respond!\n");
2257 bnx2x_fw_dump(bp);
2258 rc = 0;
2259 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002260 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002261
2262 return rc;
2263}
2264
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002265static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2266{
2267#ifdef BCM_CNIC
2268 if (IS_FCOE_FP(fp) && IS_MF(bp))
2269 return false;
2270#endif
2271 return true;
2272}
2273
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002274/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002275static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002276{
2277 u32 mask = (1 << cl_id);
2278
2279 /* initial seeting is BNX2X_ACCEPT_NONE */
2280 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2281 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2282 u8 unmatched_unicast = 0;
2283
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002284 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2285 unmatched_unicast = 1;
2286
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287 if (filters & BNX2X_PROMISCUOUS_MODE) {
2288 /* promiscious - accept all, drop none */
2289 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2290 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002291 if (IS_MF_SI(bp)) {
2292 /*
2293 * SI mode defines to accept in promiscuos mode
2294 * only unmatched packets
2295 */
2296 unmatched_unicast = 1;
2297 accp_all_ucast = 0;
2298 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002299 }
2300 if (filters & BNX2X_ACCEPT_UNICAST) {
2301 /* accept matched ucast */
2302 drop_all_ucast = 0;
2303 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002304 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002305 /* accept matched mcast */
2306 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002307
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002308 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2309 /* accept all mcast */
2310 drop_all_ucast = 0;
2311 accp_all_ucast = 1;
2312 }
2313 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2314 /* accept all mcast */
2315 drop_all_mcast = 0;
2316 accp_all_mcast = 1;
2317 }
2318 if (filters & BNX2X_ACCEPT_BROADCAST) {
2319 /* accept (all) bcast */
2320 drop_all_bcast = 0;
2321 accp_all_bcast = 1;
2322 }
2323
2324 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2325 bp->mac_filters.ucast_drop_all | mask :
2326 bp->mac_filters.ucast_drop_all & ~mask;
2327
2328 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2329 bp->mac_filters.mcast_drop_all | mask :
2330 bp->mac_filters.mcast_drop_all & ~mask;
2331
2332 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2333 bp->mac_filters.bcast_drop_all | mask :
2334 bp->mac_filters.bcast_drop_all & ~mask;
2335
2336 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2337 bp->mac_filters.ucast_accept_all | mask :
2338 bp->mac_filters.ucast_accept_all & ~mask;
2339
2340 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2341 bp->mac_filters.mcast_accept_all | mask :
2342 bp->mac_filters.mcast_accept_all & ~mask;
2343
2344 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2345 bp->mac_filters.bcast_accept_all | mask :
2346 bp->mac_filters.bcast_accept_all & ~mask;
2347
2348 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2349 bp->mac_filters.unmatched_unicast | mask :
2350 bp->mac_filters.unmatched_unicast & ~mask;
2351}
2352
stephen hemminger8d962862010-10-21 07:50:56 +00002353static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002354{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002355 struct tstorm_eth_function_common_config tcfg = {0};
2356 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002357
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002358 /* tpa */
2359 if (p->func_flgs & FUNC_FLG_TPA)
2360 tcfg.config_flags |=
2361 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002362
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002363 /* set rss flags */
2364 rss_flgs = (p->rss->mode <<
2365 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002366
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002367 if (p->rss->cap & RSS_IPV4_CAP)
2368 rss_flgs |= RSS_IPV4_CAP_MASK;
2369 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2370 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2371 if (p->rss->cap & RSS_IPV6_CAP)
2372 rss_flgs |= RSS_IPV6_CAP_MASK;
2373 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2374 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002375
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002376 tcfg.config_flags |= rss_flgs;
2377 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002378
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002379 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002380
2381 /* Enable the function in the FW */
2382 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2383 storm_memset_func_en(bp, p->func_id, 1);
2384
2385 /* statistics */
2386 if (p->func_flgs & FUNC_FLG_STATS) {
2387 struct stats_indication_flags stats_flags = {0};
2388 stats_flags.collect_eth = 1;
2389
2390 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2391 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2392
2393 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2394 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2395
2396 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2397 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2398
2399 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2400 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2401 }
2402
2403 /* spq */
2404 if (p->func_flgs & FUNC_FLG_SPQ) {
2405 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2406 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2407 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2408 }
2409}
2410
2411static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2412 struct bnx2x_fastpath *fp)
2413{
2414 u16 flags = 0;
2415
2416 /* calculate queue flags */
2417 flags |= QUEUE_FLG_CACHE_ALIGN;
2418 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002419 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002420
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002421 flags |= QUEUE_FLG_VLAN;
2422 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002423
2424 if (!fp->disable_tpa)
2425 flags |= QUEUE_FLG_TPA;
2426
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002427 flags = stat_counter_valid(bp, fp) ?
2428 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002429
2430 return flags;
2431}
2432
2433static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2434 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2435 struct bnx2x_rxq_init_params *rxq_init)
2436{
2437 u16 max_sge = 0;
2438 u16 sge_sz = 0;
2439 u16 tpa_agg_size = 0;
2440
2441 /* calculate queue flags */
2442 u16 flags = bnx2x_get_cl_flags(bp, fp);
2443
2444 if (!fp->disable_tpa) {
2445 pause->sge_th_hi = 250;
2446 pause->sge_th_lo = 150;
2447 tpa_agg_size = min_t(u32,
2448 (min_t(u32, 8, MAX_SKB_FRAGS) *
2449 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2450 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2451 SGE_PAGE_SHIFT;
2452 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2453 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2454 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2455 0xffff);
2456 }
2457
2458 /* pause - not for e1 */
2459 if (!CHIP_IS_E1(bp)) {
2460 pause->bd_th_hi = 350;
2461 pause->bd_th_lo = 250;
2462 pause->rcq_th_hi = 350;
2463 pause->rcq_th_lo = 250;
2464 pause->sge_th_hi = 0;
2465 pause->sge_th_lo = 0;
2466 pause->pri_map = 1;
2467 }
2468
2469 /* rxq setup */
2470 rxq_init->flags = flags;
2471 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2472 rxq_init->dscr_map = fp->rx_desc_mapping;
2473 rxq_init->sge_map = fp->rx_sge_mapping;
2474 rxq_init->rcq_map = fp->rx_comp_mapping;
2475 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002476
2477 /* Always use mini-jumbo MTU for FCoE L2 ring */
2478 if (IS_FCOE_FP(fp))
2479 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2480 else
2481 rxq_init->mtu = bp->dev->mtu;
2482
2483 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002484 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2485 rxq_init->cl_id = fp->cl_id;
2486 rxq_init->spcl_id = fp->cl_id;
2487 rxq_init->stat_id = fp->cl_id;
2488 rxq_init->tpa_agg_sz = tpa_agg_size;
2489 rxq_init->sge_buf_sz = sge_sz;
2490 rxq_init->max_sges_pkt = max_sge;
2491 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2492 rxq_init->fw_sb_id = fp->fw_sb_id;
2493
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002494 if (IS_FCOE_FP(fp))
2495 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2496 else
2497 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002498
2499 rxq_init->cid = HW_CID(bp, fp->cid);
2500
2501 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2502}
2503
2504static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2505 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2506{
2507 u16 flags = bnx2x_get_cl_flags(bp, fp);
2508
2509 txq_init->flags = flags;
2510 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2511 txq_init->dscr_map = fp->tx_desc_mapping;
2512 txq_init->stat_id = fp->cl_id;
2513 txq_init->cid = HW_CID(bp, fp->cid);
2514 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2515 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2516 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002517
2518 if (IS_FCOE_FP(fp)) {
2519 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2520 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2521 }
2522
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002523 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2524}
2525
stephen hemminger8d962862010-10-21 07:50:56 +00002526static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002527{
2528 struct bnx2x_func_init_params func_init = {0};
2529 struct bnx2x_rss_params rss = {0};
2530 struct event_ring_data eq_data = { {0} };
2531 u16 flags;
2532
2533 /* pf specific setups */
2534 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002535 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002536
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002537 if (CHIP_IS_E2(bp)) {
2538 /* reset IGU PF statistics: MSIX + ATTN */
2539 /* PF */
2540 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2541 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2542 (CHIP_MODE_IS_4_PORT(bp) ?
2543 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2544 /* ATTN */
2545 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2546 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2547 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2548 (CHIP_MODE_IS_4_PORT(bp) ?
2549 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2550 }
2551
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002552 /* function setup flags */
2553 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2554
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002555 if (CHIP_IS_E1x(bp))
2556 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2557 else
2558 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002559
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002560 /* function setup */
2561
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002562 /**
2563 * Although RSS is meaningless when there is a single HW queue we
2564 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002565 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002566 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2567 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2568 rss.mode = bp->multi_mode;
2569 rss.result_mask = MULTI_MASK;
2570 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002571
2572 func_init.func_flgs = flags;
2573 func_init.pf_id = BP_FUNC(bp);
2574 func_init.func_id = BP_FUNC(bp);
2575 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2576 func_init.spq_map = bp->spq_mapping;
2577 func_init.spq_prod = bp->spq_prod_idx;
2578
2579 bnx2x_func_init(bp, &func_init);
2580
2581 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2582
2583 /*
2584 Congestion management values depend on the link rate
2585 There is no active link so initial link rate is set to 10 Gbps.
2586 When the link comes up The congestion management values are
2587 re-calculated according to the actual link rate.
2588 */
2589 bp->link_vars.line_speed = SPEED_10000;
2590 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2591
2592 /* Only the PMF sets the HW */
2593 if (bp->port.pmf)
2594 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2595
2596 /* no rx until link is up */
2597 bp->rx_mode = BNX2X_RX_MODE_NONE;
2598 bnx2x_set_storm_rx_mode(bp);
2599
2600 /* init Event Queue */
2601 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2602 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2603 eq_data.producer = bp->eq_prod;
2604 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2605 eq_data.sb_id = DEF_SB_ID;
2606 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2607}
2608
2609
Eilon Greenstein2691d512009-08-12 08:22:08 +00002610static void bnx2x_e1h_disable(struct bnx2x *bp)
2611{
2612 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002613
2614 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002615
2616 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2617
Eilon Greenstein2691d512009-08-12 08:22:08 +00002618 netif_carrier_off(bp->dev);
2619}
2620
2621static void bnx2x_e1h_enable(struct bnx2x *bp)
2622{
2623 int port = BP_PORT(bp);
2624
2625 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2626
Eilon Greenstein2691d512009-08-12 08:22:08 +00002627 /* Tx queue should be only reenabled */
2628 netif_tx_wake_all_queues(bp->dev);
2629
Eilon Greenstein061bc702009-10-15 00:18:47 -07002630 /*
2631 * Should not call netif_carrier_on since it will be called if the link
2632 * is up when checking for link state
2633 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002634}
2635
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002636/* called due to MCP event (on pmf):
2637 * reread new bandwidth configuration
2638 * configure FW
2639 * notify others function about the change
2640 */
2641static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2642{
2643 if (bp->link_vars.link_up) {
2644 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2645 bnx2x_link_sync_notify(bp);
2646 }
2647 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2648}
2649
2650static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2651{
2652 bnx2x_config_mf_bw(bp);
2653 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2654}
2655
Eilon Greenstein2691d512009-08-12 08:22:08 +00002656static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2657{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002658 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002659
2660 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2661
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002662 /*
2663 * This is the only place besides the function initialization
2664 * where the bp->flags can change so it is done without any
2665 * locks
2666 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002667 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002668 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002669 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002670
2671 bnx2x_e1h_disable(bp);
2672 } else {
2673 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002674 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002675
2676 bnx2x_e1h_enable(bp);
2677 }
2678 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2679 }
2680 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002681 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002682 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2683 }
2684
2685 /* Report results to MCP */
2686 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002687 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002688 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002689 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002690}
2691
Michael Chan289129022009-10-10 13:46:53 +00002692/* must be called under the spq lock */
2693static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2694{
2695 struct eth_spe *next_spe = bp->spq_prod_bd;
2696
2697 if (bp->spq_prod_bd == bp->spq_last_bd) {
2698 bp->spq_prod_bd = bp->spq;
2699 bp->spq_prod_idx = 0;
2700 DP(NETIF_MSG_TIMER, "end of spq\n");
2701 } else {
2702 bp->spq_prod_bd++;
2703 bp->spq_prod_idx++;
2704 }
2705 return next_spe;
2706}
2707
2708/* must be called under the spq lock */
2709static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2710{
2711 int func = BP_FUNC(bp);
2712
2713 /* Make sure that BD data is updated before writing the producer */
2714 wmb();
2715
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002716 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002717 bp->spq_prod_idx);
Michael Chan289129022009-10-10 13:46:53 +00002718 mmiowb();
2719}
2720
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002721/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002722int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002723 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002724{
Michael Chan289129022009-10-10 13:46:53 +00002725 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002726 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002727
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002728#ifdef BNX2X_STOP_ON_ERROR
2729 if (unlikely(bp->panic))
2730 return -EIO;
2731#endif
2732
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002733 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002734
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002735 if (!atomic_read(&bp->spq_left)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002736 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002737 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738 bnx2x_panic();
2739 return -EBUSY;
2740 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002741
Michael Chan289129022009-10-10 13:46:53 +00002742 spe = bnx2x_sp_get_next(bp);
2743
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002744 /* CID needs port number to be encoded int it */
Michael Chan289129022009-10-10 13:46:53 +00002745 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002746 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2747 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002748
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002749 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002750 /* Common ramrods:
2751 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2752 * TRAFFIC_STOP, TRAFFIC_START
2753 */
2754 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2755 & SPE_HDR_CONN_TYPE;
2756 else
2757 /* ETH ramrods: SETUP, HALT */
2758 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2759 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002760
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002761 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2762 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002763
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002764 spe->hdr.type = cpu_to_le16(type);
2765
2766 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2767 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2768
2769 /* stats ramrod has it's own slot on the spq */
2770 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
2771 /* It's ok if the actual decrement is issued towards the memory
2772 * somewhere between the spin_lock and spin_unlock. Thus no
2773 * more explict memory barrier is needed.
2774 */
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002775 atomic_dec(&bp->spq_left);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002776
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002777 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002778 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2779 "type(0x%x) left %x\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002780 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2781 (u32)(U64_LO(bp->spq_mapping) +
2782 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002783 HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002784
Michael Chan289129022009-10-10 13:46:53 +00002785 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002786 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002787 return 0;
2788}
2789
2790/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002791static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002792{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002793 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002794 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002795
2796 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002797 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002798 val = (1UL << 31);
2799 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2800 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2801 if (val & (1L << 31))
2802 break;
2803
2804 msleep(5);
2805 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002806 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002807 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002808 rc = -EBUSY;
2809 }
2810
2811 return rc;
2812}
2813
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002814/* release split MCP access lock register */
2815static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002816{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002817 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002818}
2819
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002820#define BNX2X_DEF_SB_ATT_IDX 0x0001
2821#define BNX2X_DEF_SB_IDX 0x0002
2822
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002823static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2824{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002825 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002826 u16 rc = 0;
2827
2828 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002829 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2830 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002831 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002832 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002833
2834 if (bp->def_idx != def_sb->sp_sb.running_index) {
2835 bp->def_idx = def_sb->sp_sb.running_index;
2836 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002837 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002838
2839 /* Do not reorder: indecies reading should complete before handling */
2840 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841 return rc;
2842}
2843
2844/*
2845 * slow path service functions
2846 */
2847
2848static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2849{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002850 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002851 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2852 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002853 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2854 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002855 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002856 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002857 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002858
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002859 if (bp->attn_state & asserted)
2860 BNX2X_ERR("IGU ERROR\n");
2861
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002862 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2863 aeu_mask = REG_RD(bp, aeu_addr);
2864
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002865 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002866 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002867 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002868 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002869
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002870 REG_WR(bp, aeu_addr, aeu_mask);
2871 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002872
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002873 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002874 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002875 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002876
2877 if (asserted & ATTN_HARD_WIRED_MASK) {
2878 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002879
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002880 bnx2x_acquire_phy_lock(bp);
2881
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002882 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002883 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002884 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002885
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002886 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002887
2888 /* handle unicore attn? */
2889 }
2890 if (asserted & ATTN_SW_TIMER_4_FUNC)
2891 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2892
2893 if (asserted & GPIO_2_FUNC)
2894 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2895
2896 if (asserted & GPIO_3_FUNC)
2897 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2898
2899 if (asserted & GPIO_4_FUNC)
2900 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2901
2902 if (port == 0) {
2903 if (asserted & ATTN_GENERAL_ATTN_1) {
2904 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2905 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2906 }
2907 if (asserted & ATTN_GENERAL_ATTN_2) {
2908 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2909 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2910 }
2911 if (asserted & ATTN_GENERAL_ATTN_3) {
2912 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2913 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2914 }
2915 } else {
2916 if (asserted & ATTN_GENERAL_ATTN_4) {
2917 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2918 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2919 }
2920 if (asserted & ATTN_GENERAL_ATTN_5) {
2921 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2922 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2923 }
2924 if (asserted & ATTN_GENERAL_ATTN_6) {
2925 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2926 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2927 }
2928 }
2929
2930 } /* if hardwired */
2931
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002932 if (bp->common.int_block == INT_BLOCK_HC)
2933 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2934 COMMAND_REG_ATTN_BITS_SET);
2935 else
2936 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2937
2938 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2939 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2940 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002941
2942 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002943 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002944 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002945 bnx2x_release_phy_lock(bp);
2946 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002947}
2948
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002949static inline void bnx2x_fan_failure(struct bnx2x *bp)
2950{
2951 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002952 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002953 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002954 ext_phy_config =
2955 SHMEM_RD(bp,
2956 dev_info.port_hw_config[port].external_phy_config);
2957
2958 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2959 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002960 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002961 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002962
2963 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002964 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2965 " the driver to shutdown the card to prevent permanent"
2966 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002967}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002968
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002969static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2970{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002971 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002972 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002973 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002974
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002975 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2976 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002977
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002978 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002979
2980 val = REG_RD(bp, reg_offset);
2981 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2982 REG_WR(bp, reg_offset, val);
2983
2984 BNX2X_ERR("SPIO5 hw attention\n");
2985
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002986 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002987 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002988 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002989 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002990
Eilon Greenstein589abe32009-02-12 08:36:55 +00002991 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2992 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2993 bnx2x_acquire_phy_lock(bp);
2994 bnx2x_handle_module_detect_int(&bp->link_params);
2995 bnx2x_release_phy_lock(bp);
2996 }
2997
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002998 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2999
3000 val = REG_RD(bp, reg_offset);
3001 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3002 REG_WR(bp, reg_offset, val);
3003
3004 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003005 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003006 bnx2x_panic();
3007 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003008}
3009
3010static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3011{
3012 u32 val;
3013
Eilon Greenstein0626b892009-02-12 08:38:14 +00003014 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003015
3016 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3017 BNX2X_ERR("DB hw attention 0x%x\n", val);
3018 /* DORQ discard attention */
3019 if (val & 0x2)
3020 BNX2X_ERR("FATAL error from DORQ\n");
3021 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003022
3023 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3024
3025 int port = BP_PORT(bp);
3026 int reg_offset;
3027
3028 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3029 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3030
3031 val = REG_RD(bp, reg_offset);
3032 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3033 REG_WR(bp, reg_offset, val);
3034
3035 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003036 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003037 bnx2x_panic();
3038 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003039}
3040
3041static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3042{
3043 u32 val;
3044
3045 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3046
3047 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3048 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3049 /* CFC error attention */
3050 if (val & 0x2)
3051 BNX2X_ERR("FATAL error from CFC\n");
3052 }
3053
3054 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3055
3056 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3057 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3058 /* RQ_USDMDP_FIFO_OVERFLOW */
3059 if (val & 0x18000)
3060 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003061 if (CHIP_IS_E2(bp)) {
3062 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3063 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3064 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003065 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003066
3067 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3068
3069 int port = BP_PORT(bp);
3070 int reg_offset;
3071
3072 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3073 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3074
3075 val = REG_RD(bp, reg_offset);
3076 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3077 REG_WR(bp, reg_offset, val);
3078
3079 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003080 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003081 bnx2x_panic();
3082 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003083}
3084
3085static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3086{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003087 u32 val;
3088
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003089 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3090
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003091 if (attn & BNX2X_PMF_LINK_ASSERT) {
3092 int func = BP_FUNC(bp);
3093
3094 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003095 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3096 func_mf_config[BP_ABS_FUNC(bp)].config);
3097 val = SHMEM_RD(bp,
3098 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003099 if (val & DRV_STATUS_DCC_EVENT_MASK)
3100 bnx2x_dcc_event(bp,
3101 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003102
3103 if (val & DRV_STATUS_SET_MF_BW)
3104 bnx2x_set_mf_bw(bp);
3105
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003106 bnx2x__link_status_update(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003107 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003108 bnx2x_pmf_update(bp);
3109
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003110 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003111 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3112 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003113 /* start dcbx state machine */
3114 bnx2x_dcbx_set_params(bp,
3115 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003116 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003117
3118 BNX2X_ERR("MC assert!\n");
3119 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3120 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3121 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3122 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3123 bnx2x_panic();
3124
3125 } else if (attn & BNX2X_MCP_ASSERT) {
3126
3127 BNX2X_ERR("MCP assert!\n");
3128 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003129 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003130
3131 } else
3132 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3133 }
3134
3135 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003136 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3137 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003138 val = CHIP_IS_E1(bp) ? 0 :
3139 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003140 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3141 }
3142 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003143 val = CHIP_IS_E1(bp) ? 0 :
3144 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003145 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3146 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003147 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003148 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003149}
3150
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003151#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3152#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3153#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3154#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3155#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003156
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003157/*
3158 * should be run under rtnl lock
3159 */
3160static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3161{
3162 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3163 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3164 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3165 barrier();
3166 mmiowb();
3167}
3168
3169/*
3170 * should be run under rtnl lock
3171 */
3172static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3173{
3174 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3175 val |= (1 << 16);
3176 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3177 barrier();
3178 mmiowb();
3179}
3180
3181/*
3182 * should be run under rtnl lock
3183 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003184bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003185{
3186 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3187 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3188 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3189}
3190
3191/*
3192 * should be run under rtnl lock
3193 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003194inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003195{
3196 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3197
3198 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3199
3200 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3201 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3202 barrier();
3203 mmiowb();
3204}
3205
3206/*
3207 * should be run under rtnl lock
3208 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003209u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003210{
3211 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3212
3213 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3214
3215 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3216 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3217 barrier();
3218 mmiowb();
3219
3220 return val1;
3221}
3222
3223/*
3224 * should be run under rtnl lock
3225 */
3226static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3227{
3228 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3229}
3230
3231static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3232{
3233 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3234 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3235}
3236
3237static inline void _print_next_block(int idx, const char *blk)
3238{
3239 if (idx)
3240 pr_cont(", ");
3241 pr_cont("%s", blk);
3242}
3243
3244static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3245{
3246 int i = 0;
3247 u32 cur_bit = 0;
3248 for (i = 0; sig; i++) {
3249 cur_bit = ((u32)0x1 << i);
3250 if (sig & cur_bit) {
3251 switch (cur_bit) {
3252 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3253 _print_next_block(par_num++, "BRB");
3254 break;
3255 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3256 _print_next_block(par_num++, "PARSER");
3257 break;
3258 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3259 _print_next_block(par_num++, "TSDM");
3260 break;
3261 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3262 _print_next_block(par_num++, "SEARCHER");
3263 break;
3264 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3265 _print_next_block(par_num++, "TSEMI");
3266 break;
3267 }
3268
3269 /* Clear the bit */
3270 sig &= ~cur_bit;
3271 }
3272 }
3273
3274 return par_num;
3275}
3276
3277static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3278{
3279 int i = 0;
3280 u32 cur_bit = 0;
3281 for (i = 0; sig; i++) {
3282 cur_bit = ((u32)0x1 << i);
3283 if (sig & cur_bit) {
3284 switch (cur_bit) {
3285 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3286 _print_next_block(par_num++, "PBCLIENT");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3289 _print_next_block(par_num++, "QM");
3290 break;
3291 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3292 _print_next_block(par_num++, "XSDM");
3293 break;
3294 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3295 _print_next_block(par_num++, "XSEMI");
3296 break;
3297 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3298 _print_next_block(par_num++, "DOORBELLQ");
3299 break;
3300 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3301 _print_next_block(par_num++, "VAUX PCI CORE");
3302 break;
3303 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3304 _print_next_block(par_num++, "DEBUG");
3305 break;
3306 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3307 _print_next_block(par_num++, "USDM");
3308 break;
3309 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3310 _print_next_block(par_num++, "USEMI");
3311 break;
3312 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3313 _print_next_block(par_num++, "UPB");
3314 break;
3315 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3316 _print_next_block(par_num++, "CSDM");
3317 break;
3318 }
3319
3320 /* Clear the bit */
3321 sig &= ~cur_bit;
3322 }
3323 }
3324
3325 return par_num;
3326}
3327
3328static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3329{
3330 int i = 0;
3331 u32 cur_bit = 0;
3332 for (i = 0; sig; i++) {
3333 cur_bit = ((u32)0x1 << i);
3334 if (sig & cur_bit) {
3335 switch (cur_bit) {
3336 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3337 _print_next_block(par_num++, "CSEMI");
3338 break;
3339 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3340 _print_next_block(par_num++, "PXP");
3341 break;
3342 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3343 _print_next_block(par_num++,
3344 "PXPPCICLOCKCLIENT");
3345 break;
3346 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3347 _print_next_block(par_num++, "CFC");
3348 break;
3349 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3350 _print_next_block(par_num++, "CDU");
3351 break;
3352 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3353 _print_next_block(par_num++, "IGU");
3354 break;
3355 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3356 _print_next_block(par_num++, "MISC");
3357 break;
3358 }
3359
3360 /* Clear the bit */
3361 sig &= ~cur_bit;
3362 }
3363 }
3364
3365 return par_num;
3366}
3367
3368static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3369{
3370 int i = 0;
3371 u32 cur_bit = 0;
3372 for (i = 0; sig; i++) {
3373 cur_bit = ((u32)0x1 << i);
3374 if (sig & cur_bit) {
3375 switch (cur_bit) {
3376 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3377 _print_next_block(par_num++, "MCP ROM");
3378 break;
3379 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3380 _print_next_block(par_num++, "MCP UMP RX");
3381 break;
3382 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3383 _print_next_block(par_num++, "MCP UMP TX");
3384 break;
3385 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3386 _print_next_block(par_num++, "MCP SCPAD");
3387 break;
3388 }
3389
3390 /* Clear the bit */
3391 sig &= ~cur_bit;
3392 }
3393 }
3394
3395 return par_num;
3396}
3397
3398static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3399 u32 sig2, u32 sig3)
3400{
3401 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3402 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3403 int par_num = 0;
3404 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3405 "[0]:0x%08x [1]:0x%08x "
3406 "[2]:0x%08x [3]:0x%08x\n",
3407 sig0 & HW_PRTY_ASSERT_SET_0,
3408 sig1 & HW_PRTY_ASSERT_SET_1,
3409 sig2 & HW_PRTY_ASSERT_SET_2,
3410 sig3 & HW_PRTY_ASSERT_SET_3);
3411 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3412 bp->dev->name);
3413 par_num = bnx2x_print_blocks_with_parity0(
3414 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3415 par_num = bnx2x_print_blocks_with_parity1(
3416 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3417 par_num = bnx2x_print_blocks_with_parity2(
3418 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3419 par_num = bnx2x_print_blocks_with_parity3(
3420 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3421 printk("\n");
3422 return true;
3423 } else
3424 return false;
3425}
3426
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003427bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003428{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003430 int port = BP_PORT(bp);
3431
3432 attn.sig[0] = REG_RD(bp,
3433 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3434 port*4);
3435 attn.sig[1] = REG_RD(bp,
3436 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3437 port*4);
3438 attn.sig[2] = REG_RD(bp,
3439 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3440 port*4);
3441 attn.sig[3] = REG_RD(bp,
3442 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3443 port*4);
3444
3445 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3446 attn.sig[3]);
3447}
3448
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003449
3450static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3451{
3452 u32 val;
3453 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3454
3455 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3456 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3457 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3458 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3459 "ADDRESS_ERROR\n");
3460 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3461 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3462 "INCORRECT_RCV_BEHAVIOR\n");
3463 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3464 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3465 "WAS_ERROR_ATTN\n");
3466 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3467 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3468 "VF_LENGTH_VIOLATION_ATTN\n");
3469 if (val &
3470 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3471 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3472 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3473 if (val &
3474 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "TCPL_ERROR_ATTN\n");
3480 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3481 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3482 "TCPL_IN_TWO_RCBS_ATTN\n");
3483 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3484 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3485 "CSSNOOP_FIFO_OVERFLOW\n");
3486 }
3487 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3488 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3489 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3490 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3491 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3492 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3493 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3494 "_ATC_TCPL_TO_NOT_PEND\n");
3495 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3496 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3497 "ATC_GPA_MULTIPLE_HITS\n");
3498 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3499 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3500 "ATC_RCPL_TO_EMPTY_CNT\n");
3501 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3502 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3503 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3504 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3505 "ATC_IREQ_LESS_THAN_STU\n");
3506 }
3507
3508 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3509 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3510 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3511 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3512 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3513 }
3514
3515}
3516
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003517static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3518{
3519 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003520 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003521 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003522 u32 reg_addr;
3523 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003524 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003525
3526 /* need to take HW lock because MCP or other port might also
3527 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003528 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003529
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003530 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003531 bp->recovery_state = BNX2X_RECOVERY_INIT;
3532 bnx2x_set_reset_in_progress(bp);
3533 schedule_delayed_work(&bp->reset_task, 0);
3534 /* Disable HW interrupts */
3535 bnx2x_int_disable(bp);
3536 bnx2x_release_alr(bp);
3537 /* In case of parity errors don't handle attentions so that
3538 * other function would "see" parity errors.
3539 */
3540 return;
3541 }
3542
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003543 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3544 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3545 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3546 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003547 if (CHIP_IS_E2(bp))
3548 attn.sig[4] =
3549 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3550 else
3551 attn.sig[4] = 0;
3552
3553 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3554 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003555
3556 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3557 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003558 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003559
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003560 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3561 "%08x %08x %08x\n",
3562 index,
3563 group_mask->sig[0], group_mask->sig[1],
3564 group_mask->sig[2], group_mask->sig[3],
3565 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003566
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003567 bnx2x_attn_int_deasserted4(bp,
3568 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003569 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003570 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003571 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003572 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003573 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003574 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003575 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003576 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003577 }
3578 }
3579
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003580 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003581
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003582 if (bp->common.int_block == INT_BLOCK_HC)
3583 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3584 COMMAND_REG_ATTN_BITS_CLR);
3585 else
3586 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003587
3588 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003589 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3590 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003591 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003592
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003593 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003594 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003595
3596 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3597 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3598
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003599 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3600 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003601
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003602 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3603 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003604 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003605 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3606
3607 REG_WR(bp, reg_addr, aeu_mask);
3608 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003609
3610 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3611 bp->attn_state &= ~deasserted;
3612 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3613}
3614
3615static void bnx2x_attn_int(struct bnx2x *bp)
3616{
3617 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003618 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3619 attn_bits);
3620 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3621 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003622 u32 attn_state = bp->attn_state;
3623
3624 /* look for changed bits */
3625 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3626 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3627
3628 DP(NETIF_MSG_HW,
3629 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3630 attn_bits, attn_ack, asserted, deasserted);
3631
3632 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003633 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003634
3635 /* handle bits that were raised */
3636 if (asserted)
3637 bnx2x_attn_int_asserted(bp, asserted);
3638
3639 if (deasserted)
3640 bnx2x_attn_int_deasserted(bp, deasserted);
3641}
3642
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003643static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3644{
3645 /* No memory barriers */
3646 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3647 mmiowb(); /* keep prod updates ordered */
3648}
3649
3650#ifdef BCM_CNIC
3651static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3652 union event_ring_elem *elem)
3653{
3654 if (!bp->cnic_eth_dev.starting_cid ||
3655 cid < bp->cnic_eth_dev.starting_cid)
3656 return 1;
3657
3658 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3659
3660 if (unlikely(elem->message.data.cfc_del_event.error)) {
3661 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3662 cid);
3663 bnx2x_panic_dump(bp);
3664 }
3665 bnx2x_cnic_cfc_comp(bp, cid);
3666 return 0;
3667}
3668#endif
3669
3670static void bnx2x_eq_int(struct bnx2x *bp)
3671{
3672 u16 hw_cons, sw_cons, sw_prod;
3673 union event_ring_elem *elem;
3674 u32 cid;
3675 u8 opcode;
3676 int spqe_cnt = 0;
3677
3678 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3679
3680 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3681 * when we get the the next-page we nned to adjust so the loop
3682 * condition below will be met. The next element is the size of a
3683 * regular element and hence incrementing by 1
3684 */
3685 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3686 hw_cons++;
3687
3688 /* This function may never run in parralel with itself for a
3689 * specific bp, thus there is no need in "paired" read memory
3690 * barrier here.
3691 */
3692 sw_cons = bp->eq_cons;
3693 sw_prod = bp->eq_prod;
3694
3695 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->spq_left %u\n",
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003696 hw_cons, sw_cons, atomic_read(&bp->spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003697
3698 for (; sw_cons != hw_cons;
3699 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3700
3701
3702 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3703
3704 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3705 opcode = elem->message.opcode;
3706
3707
3708 /* handle eq element */
3709 switch (opcode) {
3710 case EVENT_RING_OPCODE_STAT_QUERY:
3711 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3712 /* nothing to do with stats comp */
3713 continue;
3714
3715 case EVENT_RING_OPCODE_CFC_DEL:
3716 /* handle according to cid range */
3717 /*
3718 * we may want to verify here that the bp state is
3719 * HALTING
3720 */
3721 DP(NETIF_MSG_IFDOWN,
3722 "got delete ramrod for MULTI[%d]\n", cid);
3723#ifdef BCM_CNIC
3724 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3725 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003726 if (cid == BNX2X_FCOE_ETH_CID)
3727 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3728 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003729#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003730 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003731 BNX2X_FP_STATE_CLOSED;
3732
3733 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003734
3735 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3736 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3737 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3738 goto next_spqe;
3739 case EVENT_RING_OPCODE_START_TRAFFIC:
3740 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3741 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3742 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003743 }
3744
3745 switch (opcode | bp->state) {
3746 case (EVENT_RING_OPCODE_FUNCTION_START |
3747 BNX2X_STATE_OPENING_WAIT4_PORT):
3748 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3749 bp->state = BNX2X_STATE_FUNC_STARTED;
3750 break;
3751
3752 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3753 BNX2X_STATE_CLOSING_WAIT4_HALT):
3754 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3755 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3756 break;
3757
3758 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3759 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3760 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3761 bp->set_mac_pending = 0;
3762 break;
3763
3764 case (EVENT_RING_OPCODE_SET_MAC |
3765 BNX2X_STATE_CLOSING_WAIT4_HALT):
3766 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3767 bp->set_mac_pending = 0;
3768 break;
3769 default:
3770 /* unknown event log error and continue */
3771 BNX2X_ERR("Unknown EQ event %d\n",
3772 elem->message.opcode);
3773 }
3774next_spqe:
3775 spqe_cnt++;
3776 } /* for */
3777
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003778 smp_mb__before_atomic_inc();
3779 atomic_add(spqe_cnt, &bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003780
3781 bp->eq_cons = sw_cons;
3782 bp->eq_prod = sw_prod;
3783 /* Make sure that above mem writes were issued towards the memory */
3784 smp_wmb();
3785
3786 /* update producer */
3787 bnx2x_update_eq_prod(bp, bp->eq_prod);
3788}
3789
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003790static void bnx2x_sp_task(struct work_struct *work)
3791{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003792 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003793 u16 status;
3794
3795 /* Return here if interrupt is disabled */
3796 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003797 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003798 return;
3799 }
3800
3801 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003802/* if (status == 0) */
3803/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003804
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003805 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003806
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003807 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003808 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003810 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003811 }
3812
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003813 /* SP events: STAT_QUERY and others */
3814 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003815#ifdef BCM_CNIC
3816 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003817
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003818 if ((!NO_FCOE(bp)) &&
3819 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3820 napi_schedule(&bnx2x_fcoe(bp, napi));
3821#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003822 /* Handle EQ completions */
3823 bnx2x_eq_int(bp);
3824
3825 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3826 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3827
3828 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003829 }
3830
3831 if (unlikely(status))
3832 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3833 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003834
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003835 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3836 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003837}
3838
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003839irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003840{
3841 struct net_device *dev = dev_instance;
3842 struct bnx2x *bp = netdev_priv(dev);
3843
3844 /* Return here if interrupt is disabled */
3845 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003846 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003847 return IRQ_HANDLED;
3848 }
3849
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003850 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3851 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003852
3853#ifdef BNX2X_STOP_ON_ERROR
3854 if (unlikely(bp->panic))
3855 return IRQ_HANDLED;
3856#endif
3857
Michael Chan993ac7b2009-10-10 13:46:56 +00003858#ifdef BCM_CNIC
3859 {
3860 struct cnic_ops *c_ops;
3861
3862 rcu_read_lock();
3863 c_ops = rcu_dereference(bp->cnic_ops);
3864 if (c_ops)
3865 c_ops->cnic_handler(bp->cnic_data, NULL);
3866 rcu_read_unlock();
3867 }
3868#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003869 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003870
3871 return IRQ_HANDLED;
3872}
3873
3874/* end of slow path */
3875
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003876static void bnx2x_timer(unsigned long data)
3877{
3878 struct bnx2x *bp = (struct bnx2x *) data;
3879
3880 if (!netif_running(bp->dev))
3881 return;
3882
3883 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003884 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003885
3886 if (poll) {
3887 struct bnx2x_fastpath *fp = &bp->fp[0];
3888 int rc;
3889
Eilon Greenstein7961f792009-03-02 07:59:31 +00003890 bnx2x_tx_int(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003891 rc = bnx2x_rx_int(fp, 1000);
3892 }
3893
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003894 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003895 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003896 u32 drv_pulse;
3897 u32 mcp_pulse;
3898
3899 ++bp->fw_drv_pulse_wr_seq;
3900 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3901 /* TBD - add SYSTEM_TIME */
3902 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003903 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003904
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003905 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003906 MCP_PULSE_SEQ_MASK);
3907 /* The delta between driver pulse and mcp response
3908 * should be 1 (before mcp response) or 0 (after mcp response)
3909 */
3910 if ((drv_pulse != mcp_pulse) &&
3911 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3912 /* someone lost a heartbeat... */
3913 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3914 drv_pulse, mcp_pulse);
3915 }
3916 }
3917
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003918 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003919 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003920
Eliezer Tamirf1410642008-02-28 11:51:50 -08003921timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003922 mod_timer(&bp->timer, jiffies + bp->current_interval);
3923}
3924
3925/* end of Statistics */
3926
3927/* nic init */
3928
3929/*
3930 * nic init service functions
3931 */
3932
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003933static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003934{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003935 u32 i;
3936 if (!(len%4) && !(addr%4))
3937 for (i = 0; i < len; i += 4)
3938 REG_WR(bp, addr + i, fill);
3939 else
3940 for (i = 0; i < len; i++)
3941 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003942
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003943}
3944
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003945/* helper: writes FP SP data to FW - data_size in dwords */
3946static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3947 int fw_sb_id,
3948 u32 *sb_data_p,
3949 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003950{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003951 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003952 for (index = 0; index < data_size; index++)
3953 REG_WR(bp, BAR_CSTRORM_INTMEM +
3954 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3955 sizeof(u32)*index,
3956 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003957}
3958
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003959static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3960{
3961 u32 *sb_data_p;
3962 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003963 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003964 struct hc_status_block_data_e1x sb_data_e1x;
3965
3966 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003967 if (CHIP_IS_E2(bp)) {
3968 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3969 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3970 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3971 sb_data_e2.common.p_func.vf_valid = false;
3972 sb_data_p = (u32 *)&sb_data_e2;
3973 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3974 } else {
3975 memset(&sb_data_e1x, 0,
3976 sizeof(struct hc_status_block_data_e1x));
3977 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3978 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3979 sb_data_e1x.common.p_func.vf_valid = false;
3980 sb_data_p = (u32 *)&sb_data_e1x;
3981 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3982 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003983 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3984
3985 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3986 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3987 CSTORM_STATUS_BLOCK_SIZE);
3988 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3989 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3990 CSTORM_SYNC_BLOCK_SIZE);
3991}
3992
3993/* helper: writes SP SB data to FW */
3994static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3995 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003996{
3997 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003998 int i;
3999 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4000 REG_WR(bp, BAR_CSTRORM_INTMEM +
4001 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4002 i*sizeof(u32),
4003 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004004}
4005
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004006static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4007{
4008 int func = BP_FUNC(bp);
4009 struct hc_sp_status_block_data sp_sb_data;
4010 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4011
4012 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4013 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4014 sp_sb_data.p_func.vf_valid = false;
4015
4016 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4017
4018 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4019 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4020 CSTORM_SP_STATUS_BLOCK_SIZE);
4021 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4022 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4023 CSTORM_SP_SYNC_BLOCK_SIZE);
4024
4025}
4026
4027
4028static inline
4029void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4030 int igu_sb_id, int igu_seg_id)
4031{
4032 hc_sm->igu_sb_id = igu_sb_id;
4033 hc_sm->igu_seg_id = igu_seg_id;
4034 hc_sm->timer_value = 0xFF;
4035 hc_sm->time_to_expire = 0xFFFFFFFF;
4036}
4037
stephen hemminger8d962862010-10-21 07:50:56 +00004038static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004039 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4040{
4041 int igu_seg_id;
4042
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004043 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004044 struct hc_status_block_data_e1x sb_data_e1x;
4045 struct hc_status_block_sm *hc_sm_p;
4046 struct hc_index_data *hc_index_p;
4047 int data_size;
4048 u32 *sb_data_p;
4049
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004050 if (CHIP_INT_MODE_IS_BC(bp))
4051 igu_seg_id = HC_SEG_ACCESS_NORM;
4052 else
4053 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004054
4055 bnx2x_zero_fp_sb(bp, fw_sb_id);
4056
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004057 if (CHIP_IS_E2(bp)) {
4058 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4059 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4060 sb_data_e2.common.p_func.vf_id = vfid;
4061 sb_data_e2.common.p_func.vf_valid = vf_valid;
4062 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4063 sb_data_e2.common.same_igu_sb_1b = true;
4064 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4065 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4066 hc_sm_p = sb_data_e2.common.state_machine;
4067 hc_index_p = sb_data_e2.index_data;
4068 sb_data_p = (u32 *)&sb_data_e2;
4069 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4070 } else {
4071 memset(&sb_data_e1x, 0,
4072 sizeof(struct hc_status_block_data_e1x));
4073 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4074 sb_data_e1x.common.p_func.vf_id = 0xff;
4075 sb_data_e1x.common.p_func.vf_valid = false;
4076 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4077 sb_data_e1x.common.same_igu_sb_1b = true;
4078 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4079 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4080 hc_sm_p = sb_data_e1x.common.state_machine;
4081 hc_index_p = sb_data_e1x.index_data;
4082 sb_data_p = (u32 *)&sb_data_e1x;
4083 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4084 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004085
4086 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4087 igu_sb_id, igu_seg_id);
4088 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4089 igu_sb_id, igu_seg_id);
4090
4091 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4092
4093 /* write indecies to HW */
4094 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4095}
4096
4097static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4098 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004099{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004100 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004101 u8 ticks = usec / BNX2X_BTR;
4102
4103 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4104
4105 disable = disable ? 1 : (usec ? 0 : 1);
4106 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4107}
4108
4109static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4110 u16 tx_usec, u16 rx_usec)
4111{
4112 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4113 false, rx_usec);
4114 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4115 false, tx_usec);
4116}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004117
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004118static void bnx2x_init_def_sb(struct bnx2x *bp)
4119{
4120 struct host_sp_status_block *def_sb = bp->def_status_blk;
4121 dma_addr_t mapping = bp->def_status_blk_mapping;
4122 int igu_sp_sb_index;
4123 int igu_seg_id;
4124 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004125 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004126 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004127 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004128 int index;
4129 struct hc_sp_status_block_data sp_sb_data;
4130 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4131
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004132 if (CHIP_INT_MODE_IS_BC(bp)) {
4133 igu_sp_sb_index = DEF_SB_IGU_ID;
4134 igu_seg_id = HC_SEG_ACCESS_DEF;
4135 } else {
4136 igu_sp_sb_index = bp->igu_dsb_id;
4137 igu_seg_id = IGU_SEG_ACCESS_DEF;
4138 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004139
4140 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004141 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004143 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004144
Eliezer Tamir49d66772008-02-28 11:53:13 -08004145 bp->attn_state = 0;
4146
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004147 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4148 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004149 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004150 int sindex;
4151 /* take care of sig[0]..sig[4] */
4152 for (sindex = 0; sindex < 4; sindex++)
4153 bp->attn_group[index].sig[sindex] =
4154 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004155
4156 if (CHIP_IS_E2(bp))
4157 /*
4158 * enable5 is separate from the rest of the registers,
4159 * and therefore the address skip is 4
4160 * and not 16 between the different groups
4161 */
4162 bp->attn_group[index].sig[4] = REG_RD(bp,
4163 reg_offset + 0x10 + 0x4*index);
4164 else
4165 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166 }
4167
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004168 if (bp->common.int_block == INT_BLOCK_HC) {
4169 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4170 HC_REG_ATTN_MSG0_ADDR_L);
4171
4172 REG_WR(bp, reg_offset, U64_LO(section));
4173 REG_WR(bp, reg_offset + 4, U64_HI(section));
4174 } else if (CHIP_IS_E2(bp)) {
4175 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4176 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4177 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004178
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004179 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4180 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004181
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004182 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004183
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004184 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4185 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4186 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4187 sp_sb_data.igu_seg_id = igu_seg_id;
4188 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004189 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004190 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004191
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004192 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004194 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004195 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004197 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004198}
4199
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004200void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004201{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004202 int i;
4203
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004204 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004205 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4206 bp->rx_ticks, bp->tx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004207}
4208
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004209static void bnx2x_init_sp_ring(struct bnx2x *bp)
4210{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004211 spin_lock_init(&bp->spq_lock);
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004212 atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004213
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004214 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4216 bp->spq_prod_bd = bp->spq;
4217 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004218}
4219
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004220static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004221{
4222 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004223 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4224 union event_ring_elem *elem =
4225 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004227 elem->next_page.addr.hi =
4228 cpu_to_le32(U64_HI(bp->eq_mapping +
4229 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4230 elem->next_page.addr.lo =
4231 cpu_to_le32(U64_LO(bp->eq_mapping +
4232 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004233 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004234 bp->eq_cons = 0;
4235 bp->eq_prod = NUM_EQ_DESC;
4236 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004237}
4238
4239static void bnx2x_init_ind_table(struct bnx2x *bp)
4240{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004241 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004242 int i;
4243
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004244 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004245 return;
4246
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004247 DP(NETIF_MSG_IFUP,
4248 "Initializing indirection table multi_mode %d\n", bp->multi_mode);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004249 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004250 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004251 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004252 bp->fp->cl_id + (i % (bp->num_queues -
4253 NONE_ETH_CONTEXT_USE)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004254}
4255
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004256void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004257{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004258 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004259 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004260 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004261 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004262
Eilon Greenstein581ce432009-07-29 00:20:04 +00004263 /* All but management unicast packets should pass to the host as well */
4264 u32 llh_mask =
4265 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4266 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4267 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4268 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004269
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004270 switch (mode) {
4271 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004272 def_q_filters = BNX2X_ACCEPT_NONE;
4273#ifdef BCM_CNIC
4274 if (!NO_FCOE(bp)) {
4275 cl_id = bnx2x_fcoe(bp, cl_id);
4276 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4277 }
4278#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004280
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004281 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004282 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4283 BNX2X_ACCEPT_MULTICAST;
4284#ifdef BCM_CNIC
4285 cl_id = bnx2x_fcoe(bp, cl_id);
4286 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4287 BNX2X_ACCEPT_MULTICAST);
4288#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004289 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004290
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004291 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004292 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4293 BNX2X_ACCEPT_ALL_MULTICAST;
4294#ifdef BCM_CNIC
4295 cl_id = bnx2x_fcoe(bp, cl_id);
4296 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4297 BNX2X_ACCEPT_MULTICAST);
4298#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004299 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004300
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004301 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004302 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4303#ifdef BCM_CNIC
4304 cl_id = bnx2x_fcoe(bp, cl_id);
4305 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4306 BNX2X_ACCEPT_MULTICAST);
4307#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004308 /* pass management unicast packets as well */
4309 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004310 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004311
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004312 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004313 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4314 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004315 }
4316
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004317 cl_id = BP_L_ID(bp);
4318 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4319
Eilon Greenstein581ce432009-07-29 00:20:04 +00004320 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004321 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4322 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004323
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004324 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4325 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004326 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4327 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004328 bp->mac_filters.ucast_drop_all,
4329 bp->mac_filters.mcast_drop_all,
4330 bp->mac_filters.bcast_drop_all,
4331 bp->mac_filters.ucast_accept_all,
4332 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004333 bp->mac_filters.bcast_accept_all,
4334 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004335 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004336
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004337 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004338}
4339
Eilon Greenstein471de712008-08-13 15:49:35 -07004340static void bnx2x_init_internal_common(struct bnx2x *bp)
4341{
4342 int i;
4343
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004344 if (!CHIP_IS_E1(bp)) {
4345
4346 /* xstorm needs to know whether to add ovlan to packets or not,
4347 * in switch-independent we'll write 0 to here... */
4348 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004349 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004350 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004351 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004352 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004353 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004354 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004355 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004356 }
4357
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004358 if (IS_MF_SI(bp))
4359 /*
4360 * In switch independent mode, the TSTORM needs to accept
4361 * packets that failed classification, since approximate match
4362 * mac addresses aren't written to NIG LLH
4363 */
4364 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4365 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4366
Eilon Greenstein471de712008-08-13 15:49:35 -07004367 /* Zero this manually as its initialization is
4368 currently missing in the initTool */
4369 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4370 REG_WR(bp, BAR_USTRORM_INTMEM +
4371 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004372 if (CHIP_IS_E2(bp)) {
4373 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4374 CHIP_INT_MODE_IS_BC(bp) ?
4375 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4376 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004377}
4378
4379static void bnx2x_init_internal_port(struct bnx2x *bp)
4380{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004381 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004382 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004383}
4384
Eilon Greenstein471de712008-08-13 15:49:35 -07004385static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4386{
4387 switch (load_code) {
4388 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004389 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004390 bnx2x_init_internal_common(bp);
4391 /* no break */
4392
4393 case FW_MSG_CODE_DRV_LOAD_PORT:
4394 bnx2x_init_internal_port(bp);
4395 /* no break */
4396
4397 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004398 /* internal memory per function is
4399 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004400 break;
4401
4402 default:
4403 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4404 break;
4405 }
4406}
4407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004408static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4409{
4410 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4411
4412 fp->state = BNX2X_FP_STATE_CLOSED;
4413
4414 fp->index = fp->cid = fp_idx;
4415 fp->cl_id = BP_L_ID(bp) + fp_idx;
4416 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4417 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4418 /* qZone id equals to FW (per path) client id */
4419 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004420 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4421 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004422 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004423 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4424 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004425 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4426 /* Setup SB indicies */
4427 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4428 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4429
4430 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4431 "cl_id %d fw_sb %d igu_sb %d\n",
4432 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4433 fp->igu_sb_id);
4434 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4435 fp->fw_sb_id, fp->igu_sb_id);
4436
4437 bnx2x_update_fpsb_idx(fp);
4438}
4439
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004440void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004441{
4442 int i;
4443
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004444 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004445 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004446#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004447 if (!NO_FCOE(bp))
4448 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004449
4450 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4451 BNX2X_VF_ID_INVALID, false,
4452 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4453
Michael Chan37b091b2009-10-10 13:46:55 +00004454#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004455
Eilon Greenstein16119782009-03-02 07:59:27 +00004456 /* ensure status block indices were read */
4457 rmb();
4458
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004459 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004460 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004461 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004462 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004463 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004464 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004465 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004466 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004467 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004468 bnx2x_stats_init(bp);
4469
4470 /* At this point, we are ready for interrupts */
4471 atomic_set(&bp->intr_sem, 0);
4472
4473 /* flush all before enabling interrupts */
4474 mb();
4475 mmiowb();
4476
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004477 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004478
4479 /* Check for SPIO5 */
4480 bnx2x_attn_int_deasserted0(bp,
4481 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4482 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004483}
4484
4485/* end of nic init */
4486
4487/*
4488 * gzip service functions
4489 */
4490
4491static int bnx2x_gunzip_init(struct bnx2x *bp)
4492{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004493 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4494 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004495 if (bp->gunzip_buf == NULL)
4496 goto gunzip_nomem1;
4497
4498 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4499 if (bp->strm == NULL)
4500 goto gunzip_nomem2;
4501
4502 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4503 GFP_KERNEL);
4504 if (bp->strm->workspace == NULL)
4505 goto gunzip_nomem3;
4506
4507 return 0;
4508
4509gunzip_nomem3:
4510 kfree(bp->strm);
4511 bp->strm = NULL;
4512
4513gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004514 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4515 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004516 bp->gunzip_buf = NULL;
4517
4518gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004519 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4520 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004521 return -ENOMEM;
4522}
4523
4524static void bnx2x_gunzip_end(struct bnx2x *bp)
4525{
4526 kfree(bp->strm->workspace);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004527 kfree(bp->strm);
4528 bp->strm = NULL;
4529
4530 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004531 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4532 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004533 bp->gunzip_buf = NULL;
4534 }
4535}
4536
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004537static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004538{
4539 int n, rc;
4540
4541 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004542 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4543 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004544 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004545 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004546
4547 n = 10;
4548
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004549#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004550
4551 if (zbuf[3] & FNAME)
4552 while ((zbuf[n++] != 0) && (n < len));
4553
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004554 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004555 bp->strm->avail_in = len - n;
4556 bp->strm->next_out = bp->gunzip_buf;
4557 bp->strm->avail_out = FW_BUF_SIZE;
4558
4559 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4560 if (rc != Z_OK)
4561 return rc;
4562
4563 rc = zlib_inflate(bp->strm, Z_FINISH);
4564 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004565 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4566 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004567
4568 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4569 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004570 netdev_err(bp->dev, "Firmware decompression error:"
4571 " gunzip_outlen (%d) not aligned\n",
4572 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004573 bp->gunzip_outlen >>= 2;
4574
4575 zlib_inflateEnd(bp->strm);
4576
4577 if (rc == Z_STREAM_END)
4578 return 0;
4579
4580 return rc;
4581}
4582
4583/* nic load/unload */
4584
4585/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004586 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587 */
4588
4589/* send a NIG loopback debug packet */
4590static void bnx2x_lb_pckt(struct bnx2x *bp)
4591{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004593
4594 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 wb_write[0] = 0x55555555;
4596 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004597 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599
4600 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004601 wb_write[0] = 0x09000000;
4602 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004603 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004604 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004605}
4606
4607/* some of the internal memories
4608 * are not directly readable from the driver
4609 * to test them we send debug packets
4610 */
4611static int bnx2x_int_mem_test(struct bnx2x *bp)
4612{
4613 int factor;
4614 int count, i;
4615 u32 val = 0;
4616
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004617 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004618 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004619 else if (CHIP_REV_IS_EMUL(bp))
4620 factor = 200;
4621 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004622 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004624 /* Disable inputs of parser neighbor blocks */
4625 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4626 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4627 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004628 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004629
4630 /* Write 0 to parser credits for CFC search request */
4631 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4632
4633 /* send Ethernet packet */
4634 bnx2x_lb_pckt(bp);
4635
4636 /* TODO do i reset NIG statistic? */
4637 /* Wait until NIG register shows 1 packet of size 0x10 */
4638 count = 1000 * factor;
4639 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004640
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004641 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4642 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004643 if (val == 0x10)
4644 break;
4645
4646 msleep(10);
4647 count--;
4648 }
4649 if (val != 0x10) {
4650 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4651 return -1;
4652 }
4653
4654 /* Wait until PRS register shows 1 packet */
4655 count = 1000 * factor;
4656 while (count) {
4657 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004658 if (val == 1)
4659 break;
4660
4661 msleep(10);
4662 count--;
4663 }
4664 if (val != 0x1) {
4665 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4666 return -2;
4667 }
4668
4669 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004670 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004671 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004672 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004673 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004674 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4675 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004676
4677 DP(NETIF_MSG_HW, "part2\n");
4678
4679 /* Disable inputs of parser neighbor blocks */
4680 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4681 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4682 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004683 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004684
4685 /* Write 0 to parser credits for CFC search request */
4686 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4687
4688 /* send 10 Ethernet packets */
4689 for (i = 0; i < 10; i++)
4690 bnx2x_lb_pckt(bp);
4691
4692 /* Wait until NIG register shows 10 + 1
4693 packets of size 11*0x10 = 0xb0 */
4694 count = 1000 * factor;
4695 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004696
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004697 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4698 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004699 if (val == 0xb0)
4700 break;
4701
4702 msleep(10);
4703 count--;
4704 }
4705 if (val != 0xb0) {
4706 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4707 return -3;
4708 }
4709
4710 /* Wait until PRS register shows 2 packets */
4711 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4712 if (val != 2)
4713 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4714
4715 /* Write 1 to parser credits for CFC search request */
4716 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4717
4718 /* Wait until PRS register shows 3 packets */
4719 msleep(10 * factor);
4720 /* Wait until NIG register shows 1 packet of size 0x10 */
4721 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4722 if (val != 3)
4723 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4724
4725 /* clear NIG EOP FIFO */
4726 for (i = 0; i < 11; i++)
4727 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4728 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4729 if (val != 1) {
4730 BNX2X_ERR("clear of NIG failed\n");
4731 return -4;
4732 }
4733
4734 /* Reset and init BRB, PRS, NIG */
4735 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4736 msleep(50);
4737 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4738 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004739 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4740 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004741#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004742 /* set NIC mode */
4743 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4744#endif
4745
4746 /* Enable inputs of parser neighbor blocks */
4747 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4748 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4749 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004750 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004751
4752 DP(NETIF_MSG_HW, "done\n");
4753
4754 return 0; /* OK */
4755}
4756
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004757static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004758{
4759 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004760 if (CHIP_IS_E2(bp))
4761 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4762 else
4763 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004764 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4765 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004766 /*
4767 * mask read length error interrupts in brb for parser
4768 * (parsing unit and 'checksum and crc' unit)
4769 * these errors are legal (PU reads fixed length and CAC can cause
4770 * read length error on truncated packets)
4771 */
4772 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004773 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4774 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4775 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4776 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4777 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004778/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4779/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004780 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4781 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4782 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004783/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4784/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004785 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4786 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4787 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4788 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004789/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4790/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004791
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004792 if (CHIP_REV_IS_FPGA(bp))
4793 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004794 else if (CHIP_IS_E2(bp))
4795 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4796 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4797 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4798 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4799 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4800 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004801 else
4802 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004803 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4804 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4805 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004806/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4807/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004808 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4809 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004810/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004811 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004812}
4813
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004814static void bnx2x_reset_common(struct bnx2x *bp)
4815{
4816 /* reset_common */
4817 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4818 0xd3ffff7f);
4819 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4820}
4821
Eilon Greenstein573f2032009-08-12 08:24:14 +00004822static void bnx2x_init_pxp(struct bnx2x *bp)
4823{
4824 u16 devctl;
4825 int r_order, w_order;
4826
4827 pci_read_config_word(bp->pdev,
4828 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4829 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4830 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4831 if (bp->mrrs == -1)
4832 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4833 else {
4834 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4835 r_order = bp->mrrs;
4836 }
4837
4838 bnx2x_init_pxp_arb(bp, r_order, w_order);
4839}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004840
4841static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4842{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004843 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004844 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004845 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004846
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004847 if (BP_NOMCP(bp))
4848 return;
4849
4850 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004851 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4852 SHARED_HW_CFG_FAN_FAILURE_MASK;
4853
4854 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4855 is_required = 1;
4856
4857 /*
4858 * The fan failure mechanism is usually related to the PHY type since
4859 * the power consumption of the board is affected by the PHY. Currently,
4860 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4861 */
4862 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4863 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004864 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004865 bnx2x_fan_failure_det_req(
4866 bp,
4867 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004868 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004869 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004870 }
4871
4872 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4873
4874 if (is_required == 0)
4875 return;
4876
4877 /* Fan failure is indicated by SPIO 5 */
4878 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4879 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4880
4881 /* set to active low mode */
4882 val = REG_RD(bp, MISC_REG_SPIO_INT);
4883 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004884 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004885 REG_WR(bp, MISC_REG_SPIO_INT, val);
4886
4887 /* enable interrupt to signal the IGU */
4888 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4889 val |= (1 << MISC_REGISTERS_SPIO_5);
4890 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4891}
4892
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004893static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4894{
4895 u32 offset = 0;
4896
4897 if (CHIP_IS_E1(bp))
4898 return;
4899 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4900 return;
4901
4902 switch (BP_ABS_FUNC(bp)) {
4903 case 0:
4904 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4905 break;
4906 case 1:
4907 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4908 break;
4909 case 2:
4910 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4911 break;
4912 case 3:
4913 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4914 break;
4915 case 4:
4916 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4917 break;
4918 case 5:
4919 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4920 break;
4921 case 6:
4922 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4923 break;
4924 case 7:
4925 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4926 break;
4927 default:
4928 return;
4929 }
4930
4931 REG_WR(bp, offset, pretend_func_num);
4932 REG_RD(bp, offset);
4933 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4934}
4935
4936static void bnx2x_pf_disable(struct bnx2x *bp)
4937{
4938 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4939 val &= ~IGU_PF_CONF_FUNC_EN;
4940
4941 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4942 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4943 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4944}
4945
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004946static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004947{
4948 u32 val, i;
4949
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004950 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004951
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004952 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004953 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4954 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4955
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004956 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004957 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004958 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004959
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004960 if (CHIP_IS_E2(bp)) {
4961 u8 fid;
4962
4963 /**
4964 * 4-port mode or 2-port mode we need to turn of master-enable
4965 * for everyone, after that, turn it back on for self.
4966 * so, we disregard multi-function or not, and always disable
4967 * for all functions on the given path, this means 0,2,4,6 for
4968 * path 0 and 1,3,5,7 for path 1
4969 */
4970 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4971 if (fid == BP_ABS_FUNC(bp)) {
4972 REG_WR(bp,
4973 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4974 1);
4975 continue;
4976 }
4977
4978 bnx2x_pretend_func(bp, fid);
4979 /* clear pf enable */
4980 bnx2x_pf_disable(bp);
4981 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4982 }
4983 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004984
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004985 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004986 if (CHIP_IS_E1(bp)) {
4987 /* enable HW interrupt from PXP on USDM overflow
4988 bit 16 on INT_MASK_0 */
4989 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004990 }
4991
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004992 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004993 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004994
4995#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004996 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4997 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4998 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4999 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5000 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005001 /* make sure this value is 0 */
5002 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005003
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005004/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5005 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5006 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5007 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5008 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005009#endif
5010
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005011 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5012
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005013 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5014 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005015
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005016 /* let the HW do it's magic ... */
5017 msleep(100);
5018 /* finish PXP init */
5019 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5020 if (val != 1) {
5021 BNX2X_ERR("PXP2 CFG failed\n");
5022 return -EBUSY;
5023 }
5024 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5025 if (val != 1) {
5026 BNX2X_ERR("PXP2 RD_INIT failed\n");
5027 return -EBUSY;
5028 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005029
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005030 /* Timers bug workaround E2 only. We need to set the entire ILT to
5031 * have entries with value "0" and valid bit on.
5032 * This needs to be done by the first PF that is loaded in a path
5033 * (i.e. common phase)
5034 */
5035 if (CHIP_IS_E2(bp)) {
5036 struct ilt_client_info ilt_cli;
5037 struct bnx2x_ilt ilt;
5038 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5039 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5040
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005041 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005042 ilt_cli.start = 0;
5043 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5044 ilt_cli.client_num = ILT_CLIENT_TM;
5045
5046 /* Step 1: set zeroes to all ilt page entries with valid bit on
5047 * Step 2: set the timers first/last ilt entry to point
5048 * to the entire range to prevent ILT range error for 3rd/4th
5049 * vnic (this code assumes existance of the vnic)
5050 *
5051 * both steps performed by call to bnx2x_ilt_client_init_op()
5052 * with dummy TM client
5053 *
5054 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5055 * and his brother are split registers
5056 */
5057 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5058 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5059 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5060
5061 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5062 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5063 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5064 }
5065
5066
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005067 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5068 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005069
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005070 if (CHIP_IS_E2(bp)) {
5071 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5072 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5073 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5074
5075 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5076
5077 /* let the HW do it's magic ... */
5078 do {
5079 msleep(200);
5080 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5081 } while (factor-- && (val != 1));
5082
5083 if (val != 1) {
5084 BNX2X_ERR("ATC_INIT failed\n");
5085 return -EBUSY;
5086 }
5087 }
5088
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005089 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005090
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005091 /* clean the DMAE memory */
5092 bp->dmae_ready = 1;
5093 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005094
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005095 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5096 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5097 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5098 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005099
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005100 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5101 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5102 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5103 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5104
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005105 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005106
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005107 if (CHIP_MODE_IS_4_PORT(bp))
5108 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005109
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005110 /* QM queues pointers table */
5111 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005112
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005113 /* soft reset pulse */
5114 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5115 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005116
Michael Chan37b091b2009-10-10 13:46:55 +00005117#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005118 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005119#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005120
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005121 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005122 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5123
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005124 if (!CHIP_REV_IS_SLOW(bp)) {
5125 /* enable hw interrupt from doorbell Q */
5126 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5127 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005128
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005129 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005130 if (CHIP_MODE_IS_4_PORT(bp)) {
5131 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5132 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5133 }
5134
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005135 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005136 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005137#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005138 /* set NIC mode */
5139 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005140#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005141 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005142 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005143
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005144 if (CHIP_IS_E2(bp)) {
5145 /* Bit-map indicating which L2 hdrs may appear after the
5146 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005147 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005148 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5149 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5150 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005151
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005152 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5153 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5154 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5155 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005156
Eilon Greensteinca003922009-08-12 22:53:28 -07005157 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5158 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5159 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5160 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005161
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005162 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5163 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5164 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5165 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005167 if (CHIP_MODE_IS_4_PORT(bp))
5168 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5169
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005170 /* sync semi rtc */
5171 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5172 0x80000000);
5173 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5174 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005175
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005176 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5177 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5178 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005179
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005180 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005181 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005182 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5183 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5184 }
5185
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005186 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005187 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5188 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005189
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005190 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005191#ifdef BCM_CNIC
5192 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5193 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5194 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5195 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5196 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5197 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5198 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5199 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5200 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5201 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5202#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005203 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005204
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005205 if (sizeof(union cdu_context) != 1024)
5206 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005207 dev_alert(&bp->pdev->dev, "please adjust the size "
5208 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005209 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005210
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005211 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005212 val = (4 << 24) + (0 << 12) + 1024;
5213 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005214
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005215 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005216 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005217 /* enable context validation interrupt from CFC */
5218 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5219
5220 /* set the thresholds to prevent CFC/CDU race */
5221 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005222
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005223 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005224
5225 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5226 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5227
5228 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005229 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005230
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005231 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005232 /* Reset PCIE errors for debug */
5233 REG_WR(bp, 0x2814, 0xffffffff);
5234 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005235
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005236 if (CHIP_IS_E2(bp)) {
5237 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5238 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5239 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5240 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5241 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5242 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5243 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5244 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5245 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5246 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5247 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5248 }
5249
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005250 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005251 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005252 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005253 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005254
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005255 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005256 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005257 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005258 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005259 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005260 if (CHIP_IS_E2(bp)) {
5261 /* Bit-map indicating which L2 hdrs may appear after the
5262 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005263 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005264 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005265
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005266 if (CHIP_REV_IS_SLOW(bp))
5267 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005268
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005269 /* finish CFC init */
5270 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5271 if (val != 1) {
5272 BNX2X_ERR("CFC LL_INIT failed\n");
5273 return -EBUSY;
5274 }
5275 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5276 if (val != 1) {
5277 BNX2X_ERR("CFC AC_INIT failed\n");
5278 return -EBUSY;
5279 }
5280 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5281 if (val != 1) {
5282 BNX2X_ERR("CFC CAM_INIT failed\n");
5283 return -EBUSY;
5284 }
5285 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005286
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005287 if (CHIP_IS_E1(bp)) {
5288 /* read NIG statistic
5289 to see if this is our first up since powerup */
5290 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5291 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005292
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005293 /* do internal memory self test */
5294 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5295 BNX2X_ERR("internal mem self test failed\n");
5296 return -EBUSY;
5297 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005298 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005299
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005300 bnx2x_setup_fan_failure_detection(bp);
5301
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005302 /* clear PXP2 attentions */
5303 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005304
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005305 bnx2x_enable_blocks_attention(bp);
5306 if (CHIP_PARITY_ENABLED(bp))
5307 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005308
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005309 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005310 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5311 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5312 CHIP_IS_E1x(bp)) {
5313 u32 shmem_base[2], shmem2_base[2];
5314 shmem_base[0] = bp->common.shmem_base;
5315 shmem2_base[0] = bp->common.shmem2_base;
5316 if (CHIP_IS_E2(bp)) {
5317 shmem_base[1] =
5318 SHMEM2_RD(bp, other_shmem_base_addr);
5319 shmem2_base[1] =
5320 SHMEM2_RD(bp, other_shmem2_base_addr);
5321 }
5322 bnx2x_acquire_phy_lock(bp);
5323 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5324 bp->common.chip_id);
5325 bnx2x_release_phy_lock(bp);
5326 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005327 } else
5328 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5329
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005330 return 0;
5331}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005332
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005333static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005334{
5335 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005336 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005337 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005338 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005339
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005340 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005341
5342 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005343
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005344 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005345 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005346
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005347 /* Timers bug workaround: disables the pf_master bit in pglue at
5348 * common phase, we need to enable it here before any dmae access are
5349 * attempted. Therefore we manually added the enable-master to the
5350 * port phase (it also happens in the function phase)
5351 */
5352 if (CHIP_IS_E2(bp))
5353 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5354
Eilon Greensteinca003922009-08-12 22:53:28 -07005355 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5356 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5357 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005358 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005359
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005360 /* QM cid (connection) count */
5361 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005362
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005363#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005364 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005365 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5366 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005367#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005368
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005369 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005370
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005371 if (CHIP_MODE_IS_4_PORT(bp))
5372 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005374 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5375 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5376 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5377 /* no pause for emulation and FPGA */
5378 low = 0;
5379 high = 513;
5380 } else {
5381 if (IS_MF(bp))
5382 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5383 else if (bp->dev->mtu > 4096) {
5384 if (bp->flags & ONE_PORT_FLAG)
5385 low = 160;
5386 else {
5387 val = bp->dev->mtu;
5388 /* (24*1024 + val*4)/256 */
5389 low = 96 + (val/64) +
5390 ((val % 64) ? 1 : 0);
5391 }
5392 } else
5393 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5394 high = low + 56; /* 14*1024/256 */
5395 }
5396 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5397 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5398 }
5399
5400 if (CHIP_MODE_IS_4_PORT(bp)) {
5401 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5402 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5403 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5404 BRB1_REG_MAC_GUARANTIED_0), 40);
5405 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005406
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005407 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005408
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005409 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005410 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005411 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005412 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005413
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005414 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5415 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5416 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5417 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005418 if (CHIP_MODE_IS_4_PORT(bp))
5419 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005420
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005421 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005422 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005423
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005424 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005425
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005426 if (!CHIP_IS_E2(bp)) {
5427 /* configure PBF to work without PAUSE mtu 9000 */
5428 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005429
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005430 /* update threshold */
5431 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5432 /* update init credit */
5433 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005434
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005435 /* probe changes */
5436 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5437 udelay(50);
5438 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5439 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005440
Michael Chan37b091b2009-10-10 13:46:55 +00005441#ifdef BCM_CNIC
5442 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005443#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005444 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005445 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005446
5447 if (CHIP_IS_E1(bp)) {
5448 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5449 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5450 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005451 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005452
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005453 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5454
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005455 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005456 /* init aeu_mask_attn_func_0/1:
5457 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5458 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5459 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005460 val = IS_MF(bp) ? 0xF7 : 0x7;
5461 /* Enable DCBX attention for all but E1 */
5462 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5463 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005464
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005465 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005466 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005467 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005468 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005469 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005470
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005471 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005472
5473 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5474
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005475 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005476 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005477 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005478 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005479
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005480 if (CHIP_IS_E2(bp)) {
5481 val = 0;
5482 switch (bp->mf_mode) {
5483 case MULTI_FUNCTION_SD:
5484 val = 1;
5485 break;
5486 case MULTI_FUNCTION_SI:
5487 val = 2;
5488 break;
5489 }
5490
5491 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5492 NIG_REG_LLH0_CLS_TYPE), val);
5493 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005494 {
5495 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5496 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5497 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5498 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005499 }
5500
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005501 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005502 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005503 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005504 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005505 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5506 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5507 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005508 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005509 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005510 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005511 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005512
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005513 return 0;
5514}
5515
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005516static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5517{
5518 int reg;
5519
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005520 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005521 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005522 else
5523 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005524
5525 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5526}
5527
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005528static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5529{
5530 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5531}
5532
5533static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5534{
5535 u32 i, base = FUNC_ILT_BASE(func);
5536 for (i = base; i < base + ILT_PER_FUNC; i++)
5537 bnx2x_ilt_wr(bp, i, 0);
5538}
5539
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005540static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005541{
5542 int port = BP_PORT(bp);
5543 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005544 struct bnx2x_ilt *ilt = BP_ILT(bp);
5545 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005546 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005547 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5548 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005549
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005550 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005551
Eilon Greenstein8badd272009-02-12 08:36:15 +00005552 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005553 if (bp->common.int_block == INT_BLOCK_HC) {
5554 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5555 val = REG_RD(bp, addr);
5556 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5557 REG_WR(bp, addr, val);
5558 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005559
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005560 ilt = BP_ILT(bp);
5561 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005562
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005563 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5564 ilt->lines[cdu_ilt_start + i].page =
5565 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5566 ilt->lines[cdu_ilt_start + i].page_mapping =
5567 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5568 /* cdu ilt pages are allocated manually so there's no need to
5569 set the size */
5570 }
5571 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005572
Michael Chan37b091b2009-10-10 13:46:55 +00005573#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005574 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005575
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005576 /* T1 hash bits value determines the T1 number of entries */
5577 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005578#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005579
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005580#ifndef BCM_CNIC
5581 /* set NIC mode */
5582 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5583#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005584
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005585 if (CHIP_IS_E2(bp)) {
5586 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5587
5588 /* Turn on a single ISR mode in IGU if driver is going to use
5589 * INT#x or MSI
5590 */
5591 if (!(bp->flags & USING_MSIX_FLAG))
5592 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5593 /*
5594 * Timers workaround bug: function init part.
5595 * Need to wait 20msec after initializing ILT,
5596 * needed to make sure there are no requests in
5597 * one of the PXP internal queues with "old" ILT addresses
5598 */
5599 msleep(20);
5600 /*
5601 * Master enable - Due to WB DMAE writes performed before this
5602 * register is re-initialized as part of the regular function
5603 * init
5604 */
5605 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5606 /* Enable the function in IGU */
5607 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5608 }
5609
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005610 bp->dmae_ready = 1;
5611
5612 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5613
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005614 if (CHIP_IS_E2(bp))
5615 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5616
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005617 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5618 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5619 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5620 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5621 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5622 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5623 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5624 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5625 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5626
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005627 if (CHIP_IS_E2(bp)) {
5628 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5629 BP_PATH(bp));
5630 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5631 BP_PATH(bp));
5632 }
5633
5634 if (CHIP_MODE_IS_4_PORT(bp))
5635 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5636
5637 if (CHIP_IS_E2(bp))
5638 REG_WR(bp, QM_REG_PF_EN, 1);
5639
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005640 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005641
5642 if (CHIP_MODE_IS_4_PORT(bp))
5643 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5644
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005645 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5646 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5647 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5648 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5649 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5650 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5651 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5652 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5653 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5654 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5655 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005656 if (CHIP_IS_E2(bp))
5657 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5658
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005659 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5660
5661 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5662
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005663 if (CHIP_IS_E2(bp))
5664 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5665
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005666 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005667 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005668 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005669 }
5670
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005671 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005673 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005674 if (bp->common.int_block == INT_BLOCK_HC) {
5675 if (CHIP_IS_E1H(bp)) {
5676 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5677
5678 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5679 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5680 }
5681 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5682
5683 } else {
5684 int num_segs, sb_idx, prod_offset;
5685
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005686 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5687
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005688 if (CHIP_IS_E2(bp)) {
5689 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5690 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5691 }
5692
5693 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5694
5695 if (CHIP_IS_E2(bp)) {
5696 int dsb_idx = 0;
5697 /**
5698 * Producer memory:
5699 * E2 mode: address 0-135 match to the mapping memory;
5700 * 136 - PF0 default prod; 137 - PF1 default prod;
5701 * 138 - PF2 default prod; 139 - PF3 default prod;
5702 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5703 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5704 * 144-147 reserved.
5705 *
5706 * E1.5 mode - In backward compatible mode;
5707 * for non default SB; each even line in the memory
5708 * holds the U producer and each odd line hold
5709 * the C producer. The first 128 producers are for
5710 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5711 * producers are for the DSB for each PF.
5712 * Each PF has five segments: (the order inside each
5713 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5714 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5715 * 144-147 attn prods;
5716 */
5717 /* non-default-status-blocks */
5718 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5719 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5720 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5721 prod_offset = (bp->igu_base_sb + sb_idx) *
5722 num_segs;
5723
5724 for (i = 0; i < num_segs; i++) {
5725 addr = IGU_REG_PROD_CONS_MEMORY +
5726 (prod_offset + i) * 4;
5727 REG_WR(bp, addr, 0);
5728 }
5729 /* send consumer update with value 0 */
5730 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5731 USTORM_ID, 0, IGU_INT_NOP, 1);
5732 bnx2x_igu_clear_sb(bp,
5733 bp->igu_base_sb + sb_idx);
5734 }
5735
5736 /* default-status-blocks */
5737 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5738 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5739
5740 if (CHIP_MODE_IS_4_PORT(bp))
5741 dsb_idx = BP_FUNC(bp);
5742 else
5743 dsb_idx = BP_E1HVN(bp);
5744
5745 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5746 IGU_BC_BASE_DSB_PROD + dsb_idx :
5747 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5748
5749 for (i = 0; i < (num_segs * E1HVN_MAX);
5750 i += E1HVN_MAX) {
5751 addr = IGU_REG_PROD_CONS_MEMORY +
5752 (prod_offset + i)*4;
5753 REG_WR(bp, addr, 0);
5754 }
5755 /* send consumer update with 0 */
5756 if (CHIP_INT_MODE_IS_BC(bp)) {
5757 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5758 USTORM_ID, 0, IGU_INT_NOP, 1);
5759 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5760 CSTORM_ID, 0, IGU_INT_NOP, 1);
5761 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5762 XSTORM_ID, 0, IGU_INT_NOP, 1);
5763 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5764 TSTORM_ID, 0, IGU_INT_NOP, 1);
5765 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5766 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5767 } else {
5768 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5769 USTORM_ID, 0, IGU_INT_NOP, 1);
5770 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5771 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5772 }
5773 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5774
5775 /* !!! these should become driver const once
5776 rf-tool supports split-68 const */
5777 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5778 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5779 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5780 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5781 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5782 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5783 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005784 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005785
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005786 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005787 REG_WR(bp, 0x2114, 0xffffffff);
5788 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005789
5790 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5791 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5792 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5793 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5794 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5795 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5796
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005797 if (CHIP_IS_E1x(bp)) {
5798 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5799 main_mem_base = HC_REG_MAIN_MEMORY +
5800 BP_PORT(bp) * (main_mem_size * 4);
5801 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5802 main_mem_width = 8;
5803
5804 val = REG_RD(bp, main_mem_prty_clr);
5805 if (val)
5806 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5807 "block during "
5808 "function init (0x%x)!\n", val);
5809
5810 /* Clear "false" parity errors in MSI-X table */
5811 for (i = main_mem_base;
5812 i < main_mem_base + main_mem_size * 4;
5813 i += main_mem_width) {
5814 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5815 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5816 i, main_mem_width / 4);
5817 }
5818 /* Clear HC parity attention */
5819 REG_RD(bp, main_mem_prty_clr);
5820 }
5821
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005822 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005823
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005824 return 0;
5825}
5826
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005827int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005828{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005829 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005830
5831 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005832 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005833
5834 bp->dmae_ready = 0;
5835 mutex_init(&bp->dmae_mutex);
Eilon Greenstein54016b22009-08-12 08:23:48 +00005836 rc = bnx2x_gunzip_init(bp);
5837 if (rc)
5838 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005839
5840 switch (load_code) {
5841 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005842 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005843 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005844 if (rc)
5845 goto init_hw_err;
5846 /* no break */
5847
5848 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005849 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005850 if (rc)
5851 goto init_hw_err;
5852 /* no break */
5853
5854 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005855 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005856 if (rc)
5857 goto init_hw_err;
5858 break;
5859
5860 default:
5861 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5862 break;
5863 }
5864
5865 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005866 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005867
5868 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005869 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005870 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005871 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5872 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005873
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005874init_hw_err:
5875 bnx2x_gunzip_end(bp);
5876
5877 return rc;
5878}
5879
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005880void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005881{
5882
5883#define BNX2X_PCI_FREE(x, y, size) \
5884 do { \
5885 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005886 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005887 x = NULL; \
5888 y = 0; \
5889 } \
5890 } while (0)
5891
5892#define BNX2X_FREE(x) \
5893 do { \
5894 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005895 kfree((void *)x); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005896 x = NULL; \
5897 } \
5898 } while (0)
5899
5900 int i;
5901
5902 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005903 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005904 for_each_queue(bp, i) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005905#ifdef BCM_CNIC
5906 /* FCoE client uses default status block */
5907 if (IS_FCOE_IDX(i)) {
5908 union host_hc_status_block *sb =
5909 &bnx2x_fp(bp, i, status_blk);
5910 memset(sb, 0, sizeof(union host_hc_status_block));
5911 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5912 } else {
5913#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005914 /* status blocks */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005915 if (CHIP_IS_E2(bp))
5916 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5917 bnx2x_fp(bp, i, status_blk_mapping),
5918 sizeof(struct host_hc_status_block_e2));
5919 else
5920 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5921 bnx2x_fp(bp, i, status_blk_mapping),
5922 sizeof(struct host_hc_status_block_e1x));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005923#ifdef BCM_CNIC
5924 }
5925#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005926 }
5927 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005928 for_each_rx_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005929
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005930 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005931 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5932 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5933 bnx2x_fp(bp, i, rx_desc_mapping),
5934 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5935
5936 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5937 bnx2x_fp(bp, i, rx_comp_mapping),
5938 sizeof(struct eth_fast_path_rx_cqe) *
5939 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005940
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005941 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005942 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005943 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5944 bnx2x_fp(bp, i, rx_sge_mapping),
5945 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5946 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005947 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005948 for_each_tx_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005949
5950 /* fastpath tx rings: tx_buf tx_desc */
5951 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5952 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5953 bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07005954 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005955 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005956 /* end of fastpath */
5957
5958 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005959 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005960
5961 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005962 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005963
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005964 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5965 bp->context.size);
5966
5967 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5968
5969 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005970
Michael Chan37b091b2009-10-10 13:46:55 +00005971#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005972 if (CHIP_IS_E2(bp))
5973 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5974 sizeof(struct host_hc_status_block_e2));
5975 else
5976 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5977 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005978
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005979 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005981
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005982 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005984 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5985 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5986
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005987#undef BNX2X_PCI_FREE
5988#undef BNX2X_KFREE
5989}
5990
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005991static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
5992{
5993 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
5994 if (CHIP_IS_E2(bp)) {
5995 bnx2x_fp(bp, index, sb_index_values) =
5996 (__le16 *)status_blk.e2_sb->sb.index_values;
5997 bnx2x_fp(bp, index, sb_running_index) =
5998 (__le16 *)status_blk.e2_sb->sb.running_index;
5999 } else {
6000 bnx2x_fp(bp, index, sb_index_values) =
6001 (__le16 *)status_blk.e1x_sb->sb.index_values;
6002 bnx2x_fp(bp, index, sb_running_index) =
6003 (__le16 *)status_blk.e1x_sb->sb.running_index;
6004 }
6005}
6006
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006007int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006008{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006009#define BNX2X_PCI_ALLOC(x, y, size) \
6010 do { \
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006011 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006012 if (x == NULL) \
6013 goto alloc_mem_err; \
6014 memset(x, 0, size); \
6015 } while (0)
6016
6017#define BNX2X_ALLOC(x, size) \
6018 do { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006019 x = kzalloc(size, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020 if (x == NULL) \
6021 goto alloc_mem_err; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022 } while (0)
6023
6024 int i;
6025
6026 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006027 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006028 for_each_queue(bp, i) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006029 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006030 bnx2x_fp(bp, i, bp) = bp;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006031 /* status blocks */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006032#ifdef BCM_CNIC
6033 if (!IS_FCOE_IDX(i)) {
6034#endif
6035 if (CHIP_IS_E2(bp))
6036 BNX2X_PCI_ALLOC(sb->e2_sb,
6037 &bnx2x_fp(bp, i, status_blk_mapping),
6038 sizeof(struct host_hc_status_block_e2));
6039 else
6040 BNX2X_PCI_ALLOC(sb->e1x_sb,
6041 &bnx2x_fp(bp, i, status_blk_mapping),
6042 sizeof(struct host_hc_status_block_e1x));
6043#ifdef BCM_CNIC
6044 }
6045#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006046 set_sb_shortcuts(bp, i);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006047 }
6048 /* Rx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006049 for_each_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006050
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006051 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006052 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6053 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6054 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6055 &bnx2x_fp(bp, i, rx_desc_mapping),
6056 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6057
6058 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6059 &bnx2x_fp(bp, i, rx_comp_mapping),
6060 sizeof(struct eth_fast_path_rx_cqe) *
6061 NUM_RCQ_BD);
6062
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006063 /* SGE ring */
6064 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6065 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6066 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6067 &bnx2x_fp(bp, i, rx_sge_mapping),
6068 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006069 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006070 /* Tx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006071 for_each_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006072
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006073 /* fastpath tx rings: tx_buf tx_desc */
6074 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6075 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6076 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6077 &bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006078 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006079 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006080 /* end of fastpath */
6081
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006082#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006083 if (CHIP_IS_E2(bp))
6084 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6085 sizeof(struct host_hc_status_block_e2));
6086 else
6087 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6088 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006089
6090 /* allocate searcher T2 table */
6091 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6092#endif
6093
6094
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006095 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006096 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006097
6098 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6099 sizeof(struct bnx2x_slowpath));
6100
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006101 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006102
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006103 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6104 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006106 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006108 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6109 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006110
6111 /* Slow path ring */
6112 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6113
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006114 /* EQ */
6115 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6116 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006117 return 0;
6118
6119alloc_mem_err:
6120 bnx2x_free_mem(bp);
6121 return -ENOMEM;
6122
6123#undef BNX2X_PCI_ALLOC
6124#undef BNX2X_ALLOC
6125}
6126
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006127/*
6128 * Init service functions
6129 */
stephen hemminger8d962862010-10-21 07:50:56 +00006130static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6131 int *state_p, int flags);
6132
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006133int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006134{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006135 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006136
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006137 /* Wait for completion */
6138 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6139 WAIT_RAMROD_COMMON);
6140}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006141
stephen hemminger8d962862010-10-21 07:50:56 +00006142static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006143{
6144 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006145
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006146 /* Wait for completion */
6147 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6148 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006149}
6150
Michael Chane665bfd2009-10-10 13:46:54 +00006151/**
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006152 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006153 *
6154 * @param bp driver descriptor
6155 * @param set set or clear an entry (1 or 0)
6156 * @param mac pointer to a buffer containing a MAC
6157 * @param cl_bit_vec bit vector of clients to register a MAC for
6158 * @param cam_offset offset in a CAM to use
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006159 * @param is_bcast is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006160 */
Joe Perches215faf92010-12-21 02:16:10 -08006161static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006162 u32 cl_bit_vec, u8 cam_offset,
6163 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006164{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006165 struct mac_configuration_cmd *config =
6166 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6167 int ramrod_flags = WAIT_RAMROD_COMMON;
6168
6169 bp->set_mac_pending = 1;
6170 smp_wmb();
6171
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006172 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006173 config->hdr.offset = cam_offset;
6174 config->hdr.client_id = 0xff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006175 config->hdr.reserved1 = 0;
6176
6177 /* primary MAC */
6178 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006179 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006180 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006181 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006182 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006183 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006184 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006185 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006186 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006187 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006188 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006189 SET_FLAG(config->config_table[0].flags,
6190 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6191 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006192 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006193 SET_FLAG(config->config_table[0].flags,
6194 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6195 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006197 if (is_bcast)
6198 SET_FLAG(config->config_table[0].flags,
6199 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6200
6201 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006202 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006203 config->config_table[0].msb_mac_addr,
6204 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006205 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006206
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006207 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006208 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006209 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6210
6211 /* Wait for a completion */
6212 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006213}
6214
stephen hemminger8d962862010-10-21 07:50:56 +00006215static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6216 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006217{
6218 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006219 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006220 u8 poll = flags & WAIT_RAMROD_POLL;
6221 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006222
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006223 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6224 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006225
6226 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006227 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006228 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006229 if (common)
6230 bnx2x_eq_int(bp);
6231 else {
6232 bnx2x_rx_int(bp->fp, 10);
6233 /* if index is different from 0
6234 * the reply for some commands will
6235 * be on the non default queue
6236 */
6237 if (idx)
6238 bnx2x_rx_int(&bp->fp[idx], 10);
6239 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006240 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006241
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006242 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006243 if (*state_p == state) {
6244#ifdef BNX2X_STOP_ON_ERROR
6245 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6246#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006247 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006248 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006249
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006250 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006251
6252 if (bp->panic)
6253 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006254 }
6255
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006256 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006257 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6258 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006259#ifdef BNX2X_STOP_ON_ERROR
6260 bnx2x_panic();
6261#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006262
Eliezer Tamir49d66772008-02-28 11:53:13 -08006263 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006264}
6265
stephen hemminger8d962862010-10-21 07:50:56 +00006266static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006267{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006268 if (CHIP_IS_E1H(bp))
6269 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6270 else if (CHIP_MODE_IS_4_PORT(bp))
6271 return BP_FUNC(bp) * 32 + rel_offset;
6272 else
6273 return BP_VN(bp) * 32 + rel_offset;
Michael Chane665bfd2009-10-10 13:46:54 +00006274}
6275
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006276/**
6277 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6278 * relevant. In addition, current implementation is tuned for a
6279 * single ETH MAC.
6280 *
6281 * When multiple unicast ETH MACs PF configuration in switch
6282 * independent mode is required (NetQ, multiple netdev MACs,
6283 * etc.), consider better utilisation of 16 per function MAC
6284 * entries in the LLH memory.
6285 */
6286enum {
6287 LLH_CAM_ISCSI_ETH_LINE = 0,
6288 LLH_CAM_ETH_LINE,
6289 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6290};
6291
6292static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6293 int set,
6294 unsigned char *dev_addr,
6295 int index)
6296{
6297 u32 wb_data[2];
6298 u32 mem_offset, ena_offset, mem_index;
6299 /**
6300 * indexes mapping:
6301 * 0..7 - goes to MEM
6302 * 8..15 - goes to MEM2
6303 */
6304
6305 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6306 return;
6307
6308 /* calculate memory start offset according to the mapping
6309 * and index in the memory */
6310 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6311 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6312 NIG_REG_LLH0_FUNC_MEM;
6313 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6314 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6315 mem_index = index;
6316 } else {
6317 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6318 NIG_REG_P0_LLH_FUNC_MEM2;
6319 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6320 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6321 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6322 }
6323
6324 if (set) {
6325 /* LLH_FUNC_MEM is a u64 WB register */
6326 mem_offset += 8*mem_index;
6327
6328 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6329 (dev_addr[4] << 8) | dev_addr[5]);
6330 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6331
6332 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6333 }
6334
6335 /* enable/disable the entry */
6336 REG_WR(bp, ena_offset + 4*mem_index, set);
6337
6338}
6339
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006340void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006341{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006342 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6343 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6344
6345 /* networking MAC */
6346 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6347 (1 << bp->fp->cl_id), cam_offset , 0);
6348
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006349 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6350
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006351 if (CHIP_IS_E1(bp)) {
6352 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006353 static const u8 bcast[ETH_ALEN] = {
6354 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6355 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006356 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6357 }
6358}
6359static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
6360{
6361 int i = 0, old;
6362 struct net_device *dev = bp->dev;
6363 struct netdev_hw_addr *ha;
6364 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6365 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6366
6367 netdev_for_each_mc_addr(ha, dev) {
6368 /* copy mac */
6369 config_cmd->config_table[i].msb_mac_addr =
6370 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6371 config_cmd->config_table[i].middle_mac_addr =
6372 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6373 config_cmd->config_table[i].lsb_mac_addr =
6374 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6375
6376 config_cmd->config_table[i].vlan_id = 0;
6377 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6378 config_cmd->config_table[i].clients_bit_vector =
6379 cpu_to_le32(1 << BP_L_ID(bp));
6380
6381 SET_FLAG(config_cmd->config_table[i].flags,
6382 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6383 T_ETH_MAC_COMMAND_SET);
6384
6385 DP(NETIF_MSG_IFUP,
6386 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6387 config_cmd->config_table[i].msb_mac_addr,
6388 config_cmd->config_table[i].middle_mac_addr,
6389 config_cmd->config_table[i].lsb_mac_addr);
6390 i++;
6391 }
6392 old = config_cmd->hdr.length;
6393 if (old > i) {
6394 for (; i < old; i++) {
6395 if (CAM_IS_INVALID(config_cmd->
6396 config_table[i])) {
6397 /* already invalidated */
6398 break;
6399 }
6400 /* invalidate */
6401 SET_FLAG(config_cmd->config_table[i].flags,
6402 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6403 T_ETH_MAC_COMMAND_INVALIDATE);
6404 }
6405 }
6406
6407 config_cmd->hdr.length = i;
6408 config_cmd->hdr.offset = offset;
6409 config_cmd->hdr.client_id = 0xff;
6410 config_cmd->hdr.reserved1 = 0;
6411
6412 bp->set_mac_pending = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006413 smp_wmb();
6414
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006415 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6416 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6417}
6418static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6419{
6420 int i;
6421 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6422 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6423 int ramrod_flags = WAIT_RAMROD_COMMON;
6424
6425 bp->set_mac_pending = 1;
6426 smp_wmb();
6427
6428 for (i = 0; i < config_cmd->hdr.length; i++)
6429 SET_FLAG(config_cmd->config_table[i].flags,
6430 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6431 T_ETH_MAC_COMMAND_INVALIDATE);
6432
6433 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6434 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006435
6436 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006437 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6438 ramrod_flags);
6439
Michael Chane665bfd2009-10-10 13:46:54 +00006440}
6441
Michael Chan993ac7b2009-10-10 13:46:56 +00006442#ifdef BCM_CNIC
6443/**
6444 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6445 * MAC(s). This function will wait until the ramdord completion
6446 * returns.
6447 *
6448 * @param bp driver handle
6449 * @param set set or clear the CAM entry
6450 *
6451 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6452 */
stephen hemminger8d962862010-10-21 07:50:56 +00006453static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006454{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006455 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6456 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006457 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6458 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006459 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006460 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006461
6462 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006463 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006464 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006465
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006466 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006467
6468 return 0;
6469}
6470
6471/**
6472 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6473 * ETH MAC(s). This function will wait until the ramdord
6474 * completion returns.
6475 *
6476 * @param bp driver handle
6477 * @param set set or clear the CAM entry
6478 *
6479 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6480 */
6481int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6482{
6483 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6484 /**
6485 * CAM allocation for E1H
6486 * eth unicasts: by func number
6487 * iscsi: by func number
6488 * fip unicast: by func number
6489 * fip multicast: by func number
6490 */
6491 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6492 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6493
6494 return 0;
6495}
6496
6497int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6498{
6499 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6500
6501 /**
6502 * CAM allocation for E1H
6503 * eth unicasts: by func number
6504 * iscsi: by func number
6505 * fip unicast: by func number
6506 * fip multicast: by func number
6507 */
6508 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6509 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6510
Michael Chan993ac7b2009-10-10 13:46:56 +00006511 return 0;
6512}
6513#endif
6514
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006515static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6516 struct bnx2x_client_init_params *params,
6517 u8 activate,
6518 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006519{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006520 /* Clear the buffer */
6521 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006522
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006523 /* general */
6524 data->general.client_id = params->rxq_params.cl_id;
6525 data->general.statistics_counter_id = params->rxq_params.stat_id;
6526 data->general.statistics_en_flg =
6527 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006528 data->general.is_fcoe_flg =
6529 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006530 data->general.activate_flg = activate;
6531 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006532
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006533 /* Rx data */
6534 data->rx.tpa_en_flg =
6535 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6536 data->rx.vmqueue_mode_en_flg = 0;
6537 data->rx.cache_line_alignment_log_size =
6538 params->rxq_params.cache_line_log;
6539 data->rx.enable_dynamic_hc =
6540 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6541 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6542 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6543 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6544
6545 /* We don't set drop flags */
6546 data->rx.drop_ip_cs_err_flg = 0;
6547 data->rx.drop_tcp_cs_err_flg = 0;
6548 data->rx.drop_ttl0_flg = 0;
6549 data->rx.drop_udp_cs_err_flg = 0;
6550
6551 data->rx.inner_vlan_removal_enable_flg =
6552 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6553 data->rx.outer_vlan_removal_enable_flg =
6554 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6555 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6556 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6557 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6558 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6559 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6560 data->rx.bd_page_base.lo =
6561 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6562 data->rx.bd_page_base.hi =
6563 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6564 data->rx.sge_page_base.lo =
6565 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6566 data->rx.sge_page_base.hi =
6567 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6568 data->rx.cqe_page_base.lo =
6569 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6570 data->rx.cqe_page_base.hi =
6571 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6572 data->rx.is_leading_rss =
6573 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6574 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6575
6576 /* Tx data */
6577 data->tx.enforce_security_flg = 0; /* VF specific */
6578 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6579 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6580 data->tx.mtu = 0; /* VF specific */
6581 data->tx.tx_bd_page_base.lo =
6582 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6583 data->tx.tx_bd_page_base.hi =
6584 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6585
6586 /* flow control data */
6587 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6588 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6589 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6590 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6591 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6592 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6593 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6594
6595 data->fc.safc_group_num = params->txq_params.cos;
6596 data->fc.safc_group_en_flg =
6597 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006598 data->fc.traffic_type =
6599 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6600 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006601}
6602
6603static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6604{
6605 /* ustorm cxt validation */
6606 cxt->ustorm_ag_context.cdu_usage =
6607 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6608 ETH_CONNECTION_TYPE);
6609 /* xcontext validation */
6610 cxt->xstorm_ag_context.cdu_reserved =
6611 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6612 ETH_CONNECTION_TYPE);
6613}
6614
stephen hemminger8d962862010-10-21 07:50:56 +00006615static int bnx2x_setup_fw_client(struct bnx2x *bp,
6616 struct bnx2x_client_init_params *params,
6617 u8 activate,
6618 struct client_init_ramrod_data *data,
6619 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006620{
6621 u16 hc_usec;
6622 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6623 int ramrod_flags = 0, rc;
6624
6625 /* HC and context validation values */
6626 hc_usec = params->txq_params.hc_rate ?
6627 1000000 / params->txq_params.hc_rate : 0;
6628 bnx2x_update_coalesce_sb_index(bp,
6629 params->txq_params.fw_sb_id,
6630 params->txq_params.sb_cq_index,
6631 !(params->txq_params.flags & QUEUE_FLG_HC),
6632 hc_usec);
6633
6634 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6635
6636 hc_usec = params->rxq_params.hc_rate ?
6637 1000000 / params->rxq_params.hc_rate : 0;
6638 bnx2x_update_coalesce_sb_index(bp,
6639 params->rxq_params.fw_sb_id,
6640 params->rxq_params.sb_cq_index,
6641 !(params->rxq_params.flags & QUEUE_FLG_HC),
6642 hc_usec);
6643
6644 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6645 params->rxq_params.cid);
6646
6647 /* zero stats */
6648 if (params->txq_params.flags & QUEUE_FLG_STATS)
6649 storm_memset_xstats_zero(bp, BP_PORT(bp),
6650 params->txq_params.stat_id);
6651
6652 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6653 storm_memset_ustats_zero(bp, BP_PORT(bp),
6654 params->rxq_params.stat_id);
6655 storm_memset_tstats_zero(bp, BP_PORT(bp),
6656 params->rxq_params.stat_id);
6657 }
6658
6659 /* Fill the ramrod data */
6660 bnx2x_fill_cl_init_data(bp, params, activate, data);
6661
6662 /* SETUP ramrod.
6663 *
6664 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6665 * barrier except from mmiowb() is needed to impose a
6666 * proper ordering of memory operations.
6667 */
6668 mmiowb();
6669
6670
6671 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6672 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006674 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006675 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6676 params->ramrod_params.index,
6677 params->ramrod_params.pstate,
6678 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006679 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006680}
6681
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006682/**
6683 * Configure interrupt mode according to current configuration.
6684 * In case of MSI-X it will also try to enable MSI-X.
6685 *
6686 * @param bp
6687 *
6688 * @return int
6689 */
6690static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006691{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006692 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006693
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006694 switch (bp->int_mode) {
6695 case INT_MODE_MSI:
6696 bnx2x_enable_msi(bp);
6697 /* falling through... */
6698 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006699 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006700 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006701 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006702 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006703 /* Set number of queues according to bp->multi_mode value */
6704 bnx2x_set_num_queues(bp);
6705
6706 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6707 bp->num_queues);
6708
6709 /* if we can't use MSI-X we only need one fp,
6710 * so try to enable MSI-X with the requested number of fp's
6711 * and fallback to MSI or legacy INTx with one fp
6712 */
6713 rc = bnx2x_enable_msix(bp);
6714 if (rc) {
6715 /* failed to enable MSI-X */
6716 if (bp->multi_mode)
6717 DP(NETIF_MSG_IFUP,
6718 "Multi requested but failed to "
6719 "enable MSI-X (%d), "
6720 "set number of queues to %d\n",
6721 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006722 1 + NONE_ETH_CONTEXT_USE);
6723 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006724
6725 if (!(bp->flags & DISABLE_MSI_FLAG))
6726 bnx2x_enable_msi(bp);
6727 }
6728
Eilon Greensteinca003922009-08-12 22:53:28 -07006729 break;
6730 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006731
6732 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006733}
6734
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006735/* must be called prioir to any HW initializations */
6736static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6737{
6738 return L2_ILT_LINES(bp);
6739}
6740
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006741void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006742{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006743 struct ilt_client_info *ilt_client;
6744 struct bnx2x_ilt *ilt = BP_ILT(bp);
6745 u16 line = 0;
6746
6747 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6748 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6749
6750 /* CDU */
6751 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6752 ilt_client->client_num = ILT_CLIENT_CDU;
6753 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6754 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6755 ilt_client->start = line;
6756 line += L2_ILT_LINES(bp);
6757#ifdef BCM_CNIC
6758 line += CNIC_ILT_LINES;
6759#endif
6760 ilt_client->end = line - 1;
6761
6762 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6763 "flags 0x%x, hw psz %d\n",
6764 ilt_client->start,
6765 ilt_client->end,
6766 ilt_client->page_size,
6767 ilt_client->flags,
6768 ilog2(ilt_client->page_size >> 12));
6769
6770 /* QM */
6771 if (QM_INIT(bp->qm_cid_count)) {
6772 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6773 ilt_client->client_num = ILT_CLIENT_QM;
6774 ilt_client->page_size = QM_ILT_PAGE_SZ;
6775 ilt_client->flags = 0;
6776 ilt_client->start = line;
6777
6778 /* 4 bytes for each cid */
6779 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6780 QM_ILT_PAGE_SZ);
6781
6782 ilt_client->end = line - 1;
6783
6784 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6785 "flags 0x%x, hw psz %d\n",
6786 ilt_client->start,
6787 ilt_client->end,
6788 ilt_client->page_size,
6789 ilt_client->flags,
6790 ilog2(ilt_client->page_size >> 12));
6791
6792 }
6793 /* SRC */
6794 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6795#ifdef BCM_CNIC
6796 ilt_client->client_num = ILT_CLIENT_SRC;
6797 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6798 ilt_client->flags = 0;
6799 ilt_client->start = line;
6800 line += SRC_ILT_LINES;
6801 ilt_client->end = line - 1;
6802
6803 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6804 "flags 0x%x, hw psz %d\n",
6805 ilt_client->start,
6806 ilt_client->end,
6807 ilt_client->page_size,
6808 ilt_client->flags,
6809 ilog2(ilt_client->page_size >> 12));
6810
6811#else
6812 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6813#endif
6814
6815 /* TM */
6816 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6817#ifdef BCM_CNIC
6818 ilt_client->client_num = ILT_CLIENT_TM;
6819 ilt_client->page_size = TM_ILT_PAGE_SZ;
6820 ilt_client->flags = 0;
6821 ilt_client->start = line;
6822 line += TM_ILT_LINES;
6823 ilt_client->end = line - 1;
6824
6825 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6826 "flags 0x%x, hw psz %d\n",
6827 ilt_client->start,
6828 ilt_client->end,
6829 ilt_client->page_size,
6830 ilt_client->flags,
6831 ilog2(ilt_client->page_size >> 12));
6832
6833#else
6834 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6835#endif
6836}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006837
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006838int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6839 int is_leading)
6840{
6841 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006842 int rc;
6843
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006844 /* reset IGU state skip FCoE L2 queue */
6845 if (!IS_FCOE_FP(fp))
6846 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006847 IGU_INT_ENABLE, 0);
6848
6849 params.ramrod_params.pstate = &fp->state;
6850 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6851 params.ramrod_params.index = fp->index;
6852 params.ramrod_params.cid = fp->cid;
6853
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006854#ifdef BCM_CNIC
6855 if (IS_FCOE_FP(fp))
6856 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6857
6858#endif
6859
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006860 if (is_leading)
6861 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6862
6863 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6864
6865 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6866
6867 rc = bnx2x_setup_fw_client(bp, &params, 1,
6868 bnx2x_sp(bp, client_init_data),
6869 bnx2x_sp_mapping(bp, client_init_data));
6870 return rc;
6871}
6872
stephen hemminger8d962862010-10-21 07:50:56 +00006873static int bnx2x_stop_fw_client(struct bnx2x *bp,
6874 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006875{
6876 int rc;
6877
6878 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6879
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006880 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006881 *p->pstate = BNX2X_FP_STATE_HALTING;
6882 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6883 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006885 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006886 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6887 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006888 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006889 return rc;
6890
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006891 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6892 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6893 p->cl_id, 0);
6894 /* Wait for completion */
6895 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6896 p->pstate, poll_flag);
6897 if (rc) /* timeout */
6898 return rc;
6899
6900
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006901 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006902 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006903
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006904 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006905 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6906 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006907 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006908}
6909
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006910static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006911{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006912 struct bnx2x_client_ramrod_params client_stop = {0};
6913 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006914
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006915 client_stop.index = index;
6916 client_stop.cid = fp->cid;
6917 client_stop.cl_id = fp->cl_id;
6918 client_stop.pstate = &(fp->state);
6919 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006920
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006921 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006922}
6923
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006924
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006925static void bnx2x_reset_func(struct bnx2x *bp)
6926{
6927 int port = BP_PORT(bp);
6928 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006929 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006930 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006931 (CHIP_IS_E2(bp) ?
6932 offsetof(struct hc_status_block_data_e2, common) :
6933 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006934 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6935 int pfid_offset = offsetof(struct pci_entity, pf_id);
6936
6937 /* Disable the function in the FW */
6938 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6939 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6940 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6941 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6942
6943 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006944 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006945 struct bnx2x_fastpath *fp = &bp->fp[i];
6946 REG_WR8(bp,
6947 BAR_CSTRORM_INTMEM +
6948 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6949 + pfunc_offset_fp + pfid_offset,
6950 HC_FUNCTION_DISABLED);
6951 }
6952
6953 /* SP SB */
6954 REG_WR8(bp,
6955 BAR_CSTRORM_INTMEM +
6956 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6957 pfunc_offset_sp + pfid_offset,
6958 HC_FUNCTION_DISABLED);
6959
6960
6961 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6962 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6963 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006964
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006965 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006966 if (bp->common.int_block == INT_BLOCK_HC) {
6967 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6968 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6969 } else {
6970 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6971 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6972 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006973
Michael Chan37b091b2009-10-10 13:46:55 +00006974#ifdef BCM_CNIC
6975 /* Disable Timer scan */
6976 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6977 /*
6978 * Wait for at least 10ms and up to 2 second for the timers scan to
6979 * complete
6980 */
6981 for (i = 0; i < 200; i++) {
6982 msleep(10);
6983 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6984 break;
6985 }
6986#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006987 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006988 bnx2x_clear_func_ilt(bp, func);
6989
6990 /* Timers workaround bug for E2: if this is vnic-3,
6991 * we need to set the entire ilt range for this timers.
6992 */
6993 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6994 struct ilt_client_info ilt_cli;
6995 /* use dummy TM client */
6996 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6997 ilt_cli.start = 0;
6998 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6999 ilt_cli.client_num = ILT_CLIENT_TM;
7000
7001 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7002 }
7003
7004 /* this assumes that reset_port() called before reset_func()*/
7005 if (CHIP_IS_E2(bp))
7006 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007007
7008 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007009}
7010
7011static void bnx2x_reset_port(struct bnx2x *bp)
7012{
7013 int port = BP_PORT(bp);
7014 u32 val;
7015
7016 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7017
7018 /* Do not rcv packets to BRB */
7019 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7020 /* Do not direct rcv packets that are not for MCP to the BRB */
7021 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7022 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7023
7024 /* Configure AEU */
7025 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7026
7027 msleep(100);
7028 /* Check for BRB port occupancy */
7029 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7030 if (val)
7031 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007032 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007033
7034 /* TODO: Close Doorbell port? */
7035}
7036
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007037static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7038{
7039 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007040 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007041
7042 switch (reset_code) {
7043 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7044 bnx2x_reset_port(bp);
7045 bnx2x_reset_func(bp);
7046 bnx2x_reset_common(bp);
7047 break;
7048
7049 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7050 bnx2x_reset_port(bp);
7051 bnx2x_reset_func(bp);
7052 break;
7053
7054 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7055 bnx2x_reset_func(bp);
7056 break;
7057
7058 default:
7059 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7060 break;
7061 }
7062}
7063
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007064#ifdef BCM_CNIC
7065static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7066{
7067 if (bp->flags & FCOE_MACS_SET) {
7068 if (!IS_MF_SD(bp))
7069 bnx2x_set_fip_eth_mac_addr(bp, 0);
7070
7071 bnx2x_set_all_enode_macs(bp, 0);
7072
7073 bp->flags &= ~FCOE_MACS_SET;
7074 }
7075}
7076#endif
7077
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007078void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007079{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007080 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007081 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007082 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007083
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007084 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007085 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007086 struct bnx2x_fastpath *fp = &bp->fp[i];
7087
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007088 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007089 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007090
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007091 if (!cnt) {
7092 BNX2X_ERR("timeout waiting for queue[%d]\n",
7093 i);
7094#ifdef BNX2X_STOP_ON_ERROR
7095 bnx2x_panic();
7096 return -EBUSY;
7097#else
7098 break;
7099#endif
7100 }
7101 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007102 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007103 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007104 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007105 /* Give HW time to discard old tx messages */
7106 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007107
Yitchak Gertner65abd742008-08-25 15:26:24 -07007108 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007109 /* invalidate mc list,
7110 * wait and poll (interrupts are off)
7111 */
7112 bnx2x_invlidate_e1_mc_list(bp);
7113 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007114
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007115 } else {
Yitchak Gertner65abd742008-08-25 15:26:24 -07007116 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7117
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007118 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007119
7120 for (i = 0; i < MC_HASH_SIZE; i++)
7121 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7122 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007123
Michael Chan993ac7b2009-10-10 13:46:56 +00007124#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007125 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007126#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007127
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007128 if (unload_mode == UNLOAD_NORMAL)
7129 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007130
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007131 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007132 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007133
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007134 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007135 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007136 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007137 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007138 /* The mac address is written to entries 1-4 to
7139 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007140 u8 entry = (BP_E1HVN(bp) + 1)*8;
7141
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007142 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007143 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007144
7145 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7146 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007147 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007148
7149 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007150
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007151 } else
7152 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7153
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007154 /* Close multi and leading connections
7155 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007156 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007157
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007158 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007159#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007160 return;
7161#else
7162 goto unload_error;
7163#endif
7164
7165 rc = bnx2x_func_stop(bp);
7166 if (rc) {
7167 BNX2X_ERR("Function stop failed!\n");
7168#ifdef BNX2X_STOP_ON_ERROR
7169 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007170#else
7171 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007172#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007173 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007174#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007175unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007176#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007177 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007178 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007179 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007180 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7181 "%d, %d, %d\n", BP_PATH(bp),
7182 load_count[BP_PATH(bp)][0],
7183 load_count[BP_PATH(bp)][1],
7184 load_count[BP_PATH(bp)][2]);
7185 load_count[BP_PATH(bp)][0]--;
7186 load_count[BP_PATH(bp)][1 + port]--;
7187 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7188 "%d, %d, %d\n", BP_PATH(bp),
7189 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7190 load_count[BP_PATH(bp)][2]);
7191 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007193 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007194 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7195 else
7196 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7197 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007198
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007199 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7200 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7201 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007202
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007203 /* Disable HW interrupts, NAPI */
7204 bnx2x_netif_stop(bp, 1);
7205
7206 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007207 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007208
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007209 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007210 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007211
7212 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007213 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007214 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007215
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007216}
7217
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007218void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007219{
7220 u32 val;
7221
7222 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7223
7224 if (CHIP_IS_E1(bp)) {
7225 int port = BP_PORT(bp);
7226 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7227 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7228
7229 val = REG_RD(bp, addr);
7230 val &= ~(0x300);
7231 REG_WR(bp, addr, val);
7232 } else if (CHIP_IS_E1H(bp)) {
7233 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7234 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7235 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7236 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7237 }
7238}
7239
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007240/* Close gates #2, #3 and #4: */
7241static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7242{
7243 u32 val, addr;
7244
7245 /* Gates #2 and #4a are closed/opened for "not E1" only */
7246 if (!CHIP_IS_E1(bp)) {
7247 /* #4 */
7248 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7249 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7250 close ? (val | 0x1) : (val & (~(u32)1)));
7251 /* #2 */
7252 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7253 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7254 close ? (val | 0x1) : (val & (~(u32)1)));
7255 }
7256
7257 /* #3 */
7258 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7259 val = REG_RD(bp, addr);
7260 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7261
7262 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7263 close ? "closing" : "opening");
7264 mmiowb();
7265}
7266
7267#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7268
7269static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7270{
7271 /* Do some magic... */
7272 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7273 *magic_val = val & SHARED_MF_CLP_MAGIC;
7274 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7275}
7276
7277/* Restore the value of the `magic' bit.
7278 *
7279 * @param pdev Device handle.
7280 * @param magic_val Old value of the `magic' bit.
7281 */
7282static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7283{
7284 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007285 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7286 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7287 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7288}
7289
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007290/**
7291 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007292 *
7293 * @param bp
7294 * @param magic_val Old value of 'magic' bit.
7295 */
7296static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7297{
7298 u32 shmem;
7299 u32 validity_offset;
7300
7301 DP(NETIF_MSG_HW, "Starting\n");
7302
7303 /* Set `magic' bit in order to save MF config */
7304 if (!CHIP_IS_E1(bp))
7305 bnx2x_clp_reset_prep(bp, magic_val);
7306
7307 /* Get shmem offset */
7308 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7309 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7310
7311 /* Clear validity map flags */
7312 if (shmem > 0)
7313 REG_WR(bp, shmem + validity_offset, 0);
7314}
7315
7316#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7317#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7318
7319/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7320 * depending on the HW type.
7321 *
7322 * @param bp
7323 */
7324static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7325{
7326 /* special handling for emulation and FPGA,
7327 wait 10 times longer */
7328 if (CHIP_REV_IS_SLOW(bp))
7329 msleep(MCP_ONE_TIMEOUT*10);
7330 else
7331 msleep(MCP_ONE_TIMEOUT);
7332}
7333
7334static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7335{
7336 u32 shmem, cnt, validity_offset, val;
7337 int rc = 0;
7338
7339 msleep(100);
7340
7341 /* Get shmem offset */
7342 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7343 if (shmem == 0) {
7344 BNX2X_ERR("Shmem 0 return failure\n");
7345 rc = -ENOTTY;
7346 goto exit_lbl;
7347 }
7348
7349 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7350
7351 /* Wait for MCP to come up */
7352 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7353 /* TBD: its best to check validity map of last port.
7354 * currently checks on port 0.
7355 */
7356 val = REG_RD(bp, shmem + validity_offset);
7357 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7358 shmem + validity_offset, val);
7359
7360 /* check that shared memory is valid. */
7361 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7362 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7363 break;
7364
7365 bnx2x_mcp_wait_one(bp);
7366 }
7367
7368 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7369
7370 /* Check that shared memory is valid. This indicates that MCP is up. */
7371 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7372 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7373 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7374 rc = -ENOTTY;
7375 goto exit_lbl;
7376 }
7377
7378exit_lbl:
7379 /* Restore the `magic' bit value */
7380 if (!CHIP_IS_E1(bp))
7381 bnx2x_clp_reset_done(bp, magic_val);
7382
7383 return rc;
7384}
7385
7386static void bnx2x_pxp_prep(struct bnx2x *bp)
7387{
7388 if (!CHIP_IS_E1(bp)) {
7389 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7390 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7391 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7392 mmiowb();
7393 }
7394}
7395
7396/*
7397 * Reset the whole chip except for:
7398 * - PCIE core
7399 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7400 * one reset bit)
7401 * - IGU
7402 * - MISC (including AEU)
7403 * - GRC
7404 * - RBCN, RBCP
7405 */
7406static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7407{
7408 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7409
7410 not_reset_mask1 =
7411 MISC_REGISTERS_RESET_REG_1_RST_HC |
7412 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7413 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7414
7415 not_reset_mask2 =
7416 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7417 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7418 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7419 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7420 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7421 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7422 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7423 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7424
7425 reset_mask1 = 0xffffffff;
7426
7427 if (CHIP_IS_E1(bp))
7428 reset_mask2 = 0xffff;
7429 else
7430 reset_mask2 = 0x1ffff;
7431
7432 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7433 reset_mask1 & (~not_reset_mask1));
7434 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7435 reset_mask2 & (~not_reset_mask2));
7436
7437 barrier();
7438 mmiowb();
7439
7440 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7441 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7442 mmiowb();
7443}
7444
7445static int bnx2x_process_kill(struct bnx2x *bp)
7446{
7447 int cnt = 1000;
7448 u32 val = 0;
7449 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7450
7451
7452 /* Empty the Tetris buffer, wait for 1s */
7453 do {
7454 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7455 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7456 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7457 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7458 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7459 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7460 ((port_is_idle_0 & 0x1) == 0x1) &&
7461 ((port_is_idle_1 & 0x1) == 0x1) &&
7462 (pgl_exp_rom2 == 0xffffffff))
7463 break;
7464 msleep(1);
7465 } while (cnt-- > 0);
7466
7467 if (cnt <= 0) {
7468 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7469 " are still"
7470 " outstanding read requests after 1s!\n");
7471 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7472 " port_is_idle_0=0x%08x,"
7473 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7474 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7475 pgl_exp_rom2);
7476 return -EAGAIN;
7477 }
7478
7479 barrier();
7480
7481 /* Close gates #2, #3 and #4 */
7482 bnx2x_set_234_gates(bp, true);
7483
7484 /* TBD: Indicate that "process kill" is in progress to MCP */
7485
7486 /* Clear "unprepared" bit */
7487 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7488 barrier();
7489
7490 /* Make sure all is written to the chip before the reset */
7491 mmiowb();
7492
7493 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7494 * PSWHST, GRC and PSWRD Tetris buffer.
7495 */
7496 msleep(1);
7497
7498 /* Prepare to chip reset: */
7499 /* MCP */
7500 bnx2x_reset_mcp_prep(bp, &val);
7501
7502 /* PXP */
7503 bnx2x_pxp_prep(bp);
7504 barrier();
7505
7506 /* reset the chip */
7507 bnx2x_process_kill_chip_reset(bp);
7508 barrier();
7509
7510 /* Recover after reset: */
7511 /* MCP */
7512 if (bnx2x_reset_mcp_comp(bp, val))
7513 return -EAGAIN;
7514
7515 /* PXP */
7516 bnx2x_pxp_prep(bp);
7517
7518 /* Open the gates #2, #3 and #4 */
7519 bnx2x_set_234_gates(bp, false);
7520
7521 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7522 * reset state, re-enable attentions. */
7523
7524 return 0;
7525}
7526
7527static int bnx2x_leader_reset(struct bnx2x *bp)
7528{
7529 int rc = 0;
7530 /* Try to recover after the failure */
7531 if (bnx2x_process_kill(bp)) {
7532 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7533 bp->dev->name);
7534 rc = -EAGAIN;
7535 goto exit_leader_reset;
7536 }
7537
7538 /* Clear "reset is in progress" bit and update the driver state */
7539 bnx2x_set_reset_done(bp);
7540 bp->recovery_state = BNX2X_RECOVERY_DONE;
7541
7542exit_leader_reset:
7543 bp->is_leader = 0;
7544 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7545 smp_wmb();
7546 return rc;
7547}
7548
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007549/* Assumption: runs under rtnl lock. This together with the fact
7550 * that it's called only from bnx2x_reset_task() ensure that it
7551 * will never be called when netif_running(bp->dev) is false.
7552 */
7553static void bnx2x_parity_recover(struct bnx2x *bp)
7554{
7555 DP(NETIF_MSG_HW, "Handling parity\n");
7556 while (1) {
7557 switch (bp->recovery_state) {
7558 case BNX2X_RECOVERY_INIT:
7559 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7560 /* Try to get a LEADER_LOCK HW lock */
7561 if (bnx2x_trylock_hw_lock(bp,
7562 HW_LOCK_RESOURCE_RESERVED_08))
7563 bp->is_leader = 1;
7564
7565 /* Stop the driver */
7566 /* If interface has been removed - break */
7567 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7568 return;
7569
7570 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7571 /* Ensure "is_leader" and "recovery_state"
7572 * update values are seen on other CPUs
7573 */
7574 smp_wmb();
7575 break;
7576
7577 case BNX2X_RECOVERY_WAIT:
7578 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7579 if (bp->is_leader) {
7580 u32 load_counter = bnx2x_get_load_cnt(bp);
7581 if (load_counter) {
7582 /* Wait until all other functions get
7583 * down.
7584 */
7585 schedule_delayed_work(&bp->reset_task,
7586 HZ/10);
7587 return;
7588 } else {
7589 /* If all other functions got down -
7590 * try to bring the chip back to
7591 * normal. In any case it's an exit
7592 * point for a leader.
7593 */
7594 if (bnx2x_leader_reset(bp) ||
7595 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7596 printk(KERN_ERR"%s: Recovery "
7597 "has failed. Power cycle is "
7598 "needed.\n", bp->dev->name);
7599 /* Disconnect this device */
7600 netif_device_detach(bp->dev);
7601 /* Block ifup for all function
7602 * of this ASIC until
7603 * "process kill" or power
7604 * cycle.
7605 */
7606 bnx2x_set_reset_in_progress(bp);
7607 /* Shut down the power */
7608 bnx2x_set_power_state(bp,
7609 PCI_D3hot);
7610 return;
7611 }
7612
7613 return;
7614 }
7615 } else { /* non-leader */
7616 if (!bnx2x_reset_is_done(bp)) {
7617 /* Try to get a LEADER_LOCK HW lock as
7618 * long as a former leader may have
7619 * been unloaded by the user or
7620 * released a leadership by another
7621 * reason.
7622 */
7623 if (bnx2x_trylock_hw_lock(bp,
7624 HW_LOCK_RESOURCE_RESERVED_08)) {
7625 /* I'm a leader now! Restart a
7626 * switch case.
7627 */
7628 bp->is_leader = 1;
7629 break;
7630 }
7631
7632 schedule_delayed_work(&bp->reset_task,
7633 HZ/10);
7634 return;
7635
7636 } else { /* A leader has completed
7637 * the "process kill". It's an exit
7638 * point for a non-leader.
7639 */
7640 bnx2x_nic_load(bp, LOAD_NORMAL);
7641 bp->recovery_state =
7642 BNX2X_RECOVERY_DONE;
7643 smp_wmb();
7644 return;
7645 }
7646 }
7647 default:
7648 return;
7649 }
7650 }
7651}
7652
7653/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7654 * scheduled on a general queue in order to prevent a dead lock.
7655 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007656static void bnx2x_reset_task(struct work_struct *work)
7657{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007658 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007659
7660#ifdef BNX2X_STOP_ON_ERROR
7661 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7662 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007663 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007664 return;
7665#endif
7666
7667 rtnl_lock();
7668
7669 if (!netif_running(bp->dev))
7670 goto reset_task_exit;
7671
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007672 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7673 bnx2x_parity_recover(bp);
7674 else {
7675 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7676 bnx2x_nic_load(bp, LOAD_NORMAL);
7677 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007678
7679reset_task_exit:
7680 rtnl_unlock();
7681}
7682
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007683/* end of nic load/unload */
7684
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007685/*
7686 * Init service functions
7687 */
7688
stephen hemminger8d962862010-10-21 07:50:56 +00007689static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007690{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007691 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7692 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7693 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007694}
7695
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007696static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007697{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007698 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007699
7700 /* Flush all outstanding writes */
7701 mmiowb();
7702
7703 /* Pretend to be function 0 */
7704 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007705 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007706
7707 /* From now we are in the "like-E1" mode */
7708 bnx2x_int_disable(bp);
7709
7710 /* Flush all outstanding writes */
7711 mmiowb();
7712
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007713 /* Restore the original function */
7714 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7715 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007716}
7717
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007718static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007719{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007720 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007721 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007722 else
7723 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007724}
7725
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007726static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007727{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007728 u32 val;
7729
7730 /* Check if there is any driver already loaded */
7731 val = REG_RD(bp, MISC_REG_UNPREPARED);
7732 if (val == 0x1) {
7733 /* Check if it is the UNDI driver
7734 * UNDI driver initializes CID offset for normal bell to 0x7
7735 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007736 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007737 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7738 if (val == 0x7) {
7739 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007740 /* save our pf_num */
7741 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007742 u32 swap_en;
7743 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007744
Eilon Greensteinb4661732009-01-14 06:43:56 +00007745 /* clear the UNDI indication */
7746 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007748 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7749
7750 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007751 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007752 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007753 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007754 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007755 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007756
7757 /* if UNDI is loaded on the other port */
7758 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7759
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007760 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007761 bnx2x_fw_command(bp,
7762 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007763
7764 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007765 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007766 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007767 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007768 DRV_MSG_SEQ_NUMBER_MASK);
7769 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007770
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007771 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007772 }
7773
Eilon Greensteinb4661732009-01-14 06:43:56 +00007774 /* now it's safe to release the lock */
7775 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7776
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007777 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007778
7779 /* close input traffic and wait for it */
7780 /* Do not rcv packets to BRB */
7781 REG_WR(bp,
7782 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7783 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7784 /* Do not direct rcv packets that are not for MCP to
7785 * the BRB */
7786 REG_WR(bp,
7787 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7788 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7789 /* clear AEU */
7790 REG_WR(bp,
7791 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7792 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7793 msleep(10);
7794
7795 /* save NIG port swap info */
7796 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7797 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007798 /* reset device */
7799 REG_WR(bp,
7800 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007801 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007802 REG_WR(bp,
7803 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7804 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007805 /* take the NIG out of reset and restore swap values */
7806 REG_WR(bp,
7807 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7808 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7809 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7810 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7811
7812 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007813 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007814
7815 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007816 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007817 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007818 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007819 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007820 } else
7821 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007822 }
7823}
7824
7825static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7826{
7827 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007828 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007829
7830 /* Get the chip revision id and number. */
7831 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7832 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7833 id = ((val & 0xffff) << 16);
7834 val = REG_RD(bp, MISC_REG_CHIP_REV);
7835 id |= ((val & 0xf) << 12);
7836 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7837 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007838 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007839 id |= (val & 0xf);
7840 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007841
7842 /* Set doorbell size */
7843 bp->db_size = (1 << BNX2X_DB_SHIFT);
7844
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007845 if (CHIP_IS_E2(bp)) {
7846 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7847 if ((val & 1) == 0)
7848 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7849 else
7850 val = (val >> 1) & 1;
7851 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7852 "2_PORT_MODE");
7853 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7854 CHIP_2_PORT_MODE;
7855
7856 if (CHIP_MODE_IS_4_PORT(bp))
7857 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7858 else
7859 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7860 } else {
7861 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7862 bp->pfid = bp->pf_num; /* 0..7 */
7863 }
7864
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007865 /*
7866 * set base FW non-default (fast path) status block id, this value is
7867 * used to initialize the fw_sb_id saved on the fp/queue structure to
7868 * determine the id used by the FW.
7869 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007870 if (CHIP_IS_E1x(bp))
7871 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7872 else /* E2 */
7873 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7874
7875 bp->link_params.chip_id = bp->common.chip_id;
7876 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007877
Eilon Greenstein1c063282009-02-12 08:36:43 +00007878 val = (REG_RD(bp, 0x2874) & 0x55);
7879 if ((bp->common.chip_id & 0x1) ||
7880 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7881 bp->flags |= ONE_PORT_FLAG;
7882 BNX2X_DEV_INFO("single port device\n");
7883 }
7884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007885 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7886 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7887 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7888 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7889 bp->common.flash_size, bp->common.flash_size);
7890
7891 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007892 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7893 MISC_REG_GENERIC_CR_1 :
7894 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007895 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007896 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007897 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7898 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007899
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007900 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007901 BNX2X_DEV_INFO("MCP not active\n");
7902 bp->flags |= NO_MCP_FLAG;
7903 return;
7904 }
7905
7906 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7907 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7908 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007909 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007910
7911 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007912 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007913
7914 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7915 SHARED_HW_CFG_LED_MODE_MASK) >>
7916 SHARED_HW_CFG_LED_MODE_SHIFT);
7917
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007918 bp->link_params.feature_config_flags = 0;
7919 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7920 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7921 bp->link_params.feature_config_flags |=
7922 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7923 else
7924 bp->link_params.feature_config_flags &=
7925 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7926
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007927 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7928 bp->common.bc_ver = val;
7929 BNX2X_DEV_INFO("bc_ver %X\n", val);
7930 if (val < BNX2X_BC_VER) {
7931 /* for now only warn
7932 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007933 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7934 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007935 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007936 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007937 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007938 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7939
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007940 bp->link_params.feature_config_flags |=
7941 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7942 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007943
7944 if (BP_E1HVN(bp) == 0) {
7945 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7946 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7947 } else {
7948 /* no WOL capability for E1HVN != 0 */
7949 bp->flags |= NO_WOL_FLAG;
7950 }
7951 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007952 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007953
7954 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7955 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7956 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7957 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7958
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007959 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7960 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007961}
7962
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007963#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7964#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7965
7966static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7967{
7968 int pfid = BP_FUNC(bp);
7969 int vn = BP_E1HVN(bp);
7970 int igu_sb_id;
7971 u32 val;
7972 u8 fid;
7973
7974 bp->igu_base_sb = 0xff;
7975 bp->igu_sb_cnt = 0;
7976 if (CHIP_INT_MODE_IS_BC(bp)) {
7977 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007978 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007979
7980 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7981 FP_SB_MAX_E1x;
7982
7983 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7984 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7985
7986 return;
7987 }
7988
7989 /* IGU in normal mode - read CAM */
7990 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7991 igu_sb_id++) {
7992 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7993 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7994 continue;
7995 fid = IGU_FID(val);
7996 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7997 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7998 continue;
7999 if (IGU_VEC(val) == 0)
8000 /* default status block */
8001 bp->igu_dsb_id = igu_sb_id;
8002 else {
8003 if (bp->igu_base_sb == 0xff)
8004 bp->igu_base_sb = igu_sb_id;
8005 bp->igu_sb_cnt++;
8006 }
8007 }
8008 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008009 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8010 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008011 if (bp->igu_sb_cnt == 0)
8012 BNX2X_ERR("CAM configuration error\n");
8013}
8014
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008015static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8016 u32 switch_cfg)
8017{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008018 int cfg_size = 0, idx, port = BP_PORT(bp);
8019
8020 /* Aggregation of supported attributes of all external phys */
8021 bp->port.supported[0] = 0;
8022 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008023 switch (bp->link_params.num_phys) {
8024 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008025 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8026 cfg_size = 1;
8027 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008028 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008029 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8030 cfg_size = 1;
8031 break;
8032 case 3:
8033 if (bp->link_params.multi_phy_config &
8034 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8035 bp->port.supported[1] =
8036 bp->link_params.phy[EXT_PHY1].supported;
8037 bp->port.supported[0] =
8038 bp->link_params.phy[EXT_PHY2].supported;
8039 } else {
8040 bp->port.supported[0] =
8041 bp->link_params.phy[EXT_PHY1].supported;
8042 bp->port.supported[1] =
8043 bp->link_params.phy[EXT_PHY2].supported;
8044 }
8045 cfg_size = 2;
8046 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008047 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008048
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008049 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008050 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008051 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008052 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008053 dev_info.port_hw_config[port].external_phy_config),
8054 SHMEM_RD(bp,
8055 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008056 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008057 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008058
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008059 switch (switch_cfg) {
8060 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008061 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8062 port*0x10);
8063 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008064 break;
8065
8066 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008067 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8068 port*0x18);
8069 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008070 break;
8071
8072 default:
8073 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008074 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008075 return;
8076 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008077 /* mask what we support according to speed_cap_mask per configuration */
8078 for (idx = 0; idx < cfg_size; idx++) {
8079 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008080 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008081 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008082
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008083 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008084 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008085 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008086
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008087 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008088 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008089 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008090
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008091 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008092 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008093 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008094
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008095 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008096 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008097 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008098 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008099
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008100 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008101 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008102 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008103
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008104 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008105 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008106 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008107
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008108 }
8109
8110 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8111 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008112}
8113
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008114static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008115{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008116 u32 link_config, idx, cfg_size = 0;
8117 bp->port.advertising[0] = 0;
8118 bp->port.advertising[1] = 0;
8119 switch (bp->link_params.num_phys) {
8120 case 1:
8121 case 2:
8122 cfg_size = 1;
8123 break;
8124 case 3:
8125 cfg_size = 2;
8126 break;
8127 }
8128 for (idx = 0; idx < cfg_size; idx++) {
8129 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8130 link_config = bp->port.link_config[idx];
8131 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008132 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008133 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8134 bp->link_params.req_line_speed[idx] =
8135 SPEED_AUTO_NEG;
8136 bp->port.advertising[idx] |=
8137 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008138 } else {
8139 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008140 bp->link_params.req_line_speed[idx] =
8141 SPEED_10000;
8142 bp->port.advertising[idx] |=
8143 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008144 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008145 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008146 }
8147 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008148
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008149 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008150 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8151 bp->link_params.req_line_speed[idx] =
8152 SPEED_10;
8153 bp->port.advertising[idx] |=
8154 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008155 ADVERTISED_TP);
8156 } else {
8157 BNX2X_ERROR("NVRAM config error. "
8158 "Invalid link_config 0x%x"
8159 " speed_cap_mask 0x%x\n",
8160 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008161 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008162 return;
8163 }
8164 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008165
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008166 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008167 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8168 bp->link_params.req_line_speed[idx] =
8169 SPEED_10;
8170 bp->link_params.req_duplex[idx] =
8171 DUPLEX_HALF;
8172 bp->port.advertising[idx] |=
8173 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008174 ADVERTISED_TP);
8175 } else {
8176 BNX2X_ERROR("NVRAM config error. "
8177 "Invalid link_config 0x%x"
8178 " speed_cap_mask 0x%x\n",
8179 link_config,
8180 bp->link_params.speed_cap_mask[idx]);
8181 return;
8182 }
8183 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008184
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008185 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8186 if (bp->port.supported[idx] &
8187 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008188 bp->link_params.req_line_speed[idx] =
8189 SPEED_100;
8190 bp->port.advertising[idx] |=
8191 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008192 ADVERTISED_TP);
8193 } else {
8194 BNX2X_ERROR("NVRAM config error. "
8195 "Invalid link_config 0x%x"
8196 " speed_cap_mask 0x%x\n",
8197 link_config,
8198 bp->link_params.speed_cap_mask[idx]);
8199 return;
8200 }
8201 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008202
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008203 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8204 if (bp->port.supported[idx] &
8205 SUPPORTED_100baseT_Half) {
8206 bp->link_params.req_line_speed[idx] =
8207 SPEED_100;
8208 bp->link_params.req_duplex[idx] =
8209 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008210 bp->port.advertising[idx] |=
8211 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008212 ADVERTISED_TP);
8213 } else {
8214 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008215 "Invalid link_config 0x%x"
8216 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008217 link_config,
8218 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008219 return;
8220 }
8221 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008222
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008223 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008224 if (bp->port.supported[idx] &
8225 SUPPORTED_1000baseT_Full) {
8226 bp->link_params.req_line_speed[idx] =
8227 SPEED_1000;
8228 bp->port.advertising[idx] |=
8229 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008230 ADVERTISED_TP);
8231 } else {
8232 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008233 "Invalid link_config 0x%x"
8234 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008235 link_config,
8236 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008237 return;
8238 }
8239 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008240
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008241 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008242 if (bp->port.supported[idx] &
8243 SUPPORTED_2500baseX_Full) {
8244 bp->link_params.req_line_speed[idx] =
8245 SPEED_2500;
8246 bp->port.advertising[idx] |=
8247 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008248 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008249 } else {
8250 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008251 "Invalid link_config 0x%x"
8252 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008253 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008254 bp->link_params.speed_cap_mask[idx]);
8255 return;
8256 }
8257 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008258
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008259 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8260 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8261 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008262 if (bp->port.supported[idx] &
8263 SUPPORTED_10000baseT_Full) {
8264 bp->link_params.req_line_speed[idx] =
8265 SPEED_10000;
8266 bp->port.advertising[idx] |=
8267 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008268 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008269 } else {
8270 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008271 "Invalid link_config 0x%x"
8272 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008273 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008274 bp->link_params.speed_cap_mask[idx]);
8275 return;
8276 }
8277 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008278
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008279 default:
8280 BNX2X_ERROR("NVRAM config error. "
8281 "BAD link speed link_config 0x%x\n",
8282 link_config);
8283 bp->link_params.req_line_speed[idx] =
8284 SPEED_AUTO_NEG;
8285 bp->port.advertising[idx] =
8286 bp->port.supported[idx];
8287 break;
8288 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008289
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008290 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008291 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008292 if ((bp->link_params.req_flow_ctrl[idx] ==
8293 BNX2X_FLOW_CTRL_AUTO) &&
8294 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8295 bp->link_params.req_flow_ctrl[idx] =
8296 BNX2X_FLOW_CTRL_NONE;
8297 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008298
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008299 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8300 " 0x%x advertising 0x%x\n",
8301 bp->link_params.req_line_speed[idx],
8302 bp->link_params.req_duplex[idx],
8303 bp->link_params.req_flow_ctrl[idx],
8304 bp->port.advertising[idx]);
8305 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008306}
8307
Michael Chane665bfd2009-10-10 13:46:54 +00008308static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8309{
8310 mac_hi = cpu_to_be16(mac_hi);
8311 mac_lo = cpu_to_be32(mac_lo);
8312 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8313 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8314}
8315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008316static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008317{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008318 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008319 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008320 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008321
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008322 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008323 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008324
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008325 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008326 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008327
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008328 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008329 SHMEM_RD(bp,
8330 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008331 bp->link_params.speed_cap_mask[1] =
8332 SHMEM_RD(bp,
8333 dev_info.port_hw_config[port].speed_capability_mask2);
8334 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008335 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8336
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008337 bp->port.link_config[1] =
8338 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008339
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008340 bp->link_params.multi_phy_config =
8341 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008342 /* If the device is capable of WoL, set the default state according
8343 * to the HW
8344 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008345 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008346 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8347 (config & PORT_FEATURE_WOL_ENABLED));
8348
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008349 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008350 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008351 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008352 bp->link_params.speed_cap_mask[0],
8353 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008354
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008355 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008356 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008357 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008358 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008359
8360 bnx2x_link_settings_requested(bp);
8361
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008362 /*
8363 * If connected directly, work with the internal PHY, otherwise, work
8364 * with the external PHY
8365 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008366 ext_phy_config =
8367 SHMEM_RD(bp,
8368 dev_info.port_hw_config[port].external_phy_config);
8369 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008370 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008371 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008372
8373 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8374 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8375 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008376 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008377
8378 /*
8379 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8380 * In MF mode, it is set to cover self test cases
8381 */
8382 if (IS_MF(bp))
8383 bp->port.need_hw_lock = 1;
8384 else
8385 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8386 bp->common.shmem_base,
8387 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008388}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008389
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008390#ifdef BCM_CNIC
8391static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8392{
8393 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8394 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8395 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8396 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8397
8398 /* Get the number of maximum allowed iSCSI and FCoE connections */
8399 bp->cnic_eth_dev.max_iscsi_conn =
8400 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8401 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8402
8403 bp->cnic_eth_dev.max_fcoe_conn =
8404 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8405 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8406
8407 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8408 bp->cnic_eth_dev.max_iscsi_conn,
8409 bp->cnic_eth_dev.max_fcoe_conn);
8410
8411 /* If mamimum allowed number of connections is zero -
8412 * disable the feature.
8413 */
8414 if (!bp->cnic_eth_dev.max_iscsi_conn)
8415 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8416
8417 if (!bp->cnic_eth_dev.max_fcoe_conn)
8418 bp->flags |= NO_FCOE_FLAG;
8419}
8420#endif
8421
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008422static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8423{
8424 u32 val, val2;
8425 int func = BP_ABS_FUNC(bp);
8426 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008427#ifdef BCM_CNIC
8428 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8429 u8 *fip_mac = bp->fip_mac;
8430#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008431
8432 if (BP_NOMCP(bp)) {
8433 BNX2X_ERROR("warning: random MAC workaround active\n");
8434 random_ether_addr(bp->dev->dev_addr);
8435 } else if (IS_MF(bp)) {
8436 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8437 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8438 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8439 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8440 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8441
8442#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008443 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8444 * FCoE MAC then the appropriate feature should be disabled.
8445 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008446 if (IS_MF_SI(bp)) {
8447 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8448 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8449 val2 = MF_CFG_RD(bp, func_ext_config[func].
8450 iscsi_mac_addr_upper);
8451 val = MF_CFG_RD(bp, func_ext_config[func].
8452 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008453 BNX2X_DEV_INFO("Read iSCSI MAC: "
8454 "0x%x:0x%04x\n", val2, val);
8455 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8456
8457 /* Disable iSCSI OOO if MAC configuration is
8458 * invalid.
8459 */
8460 if (!is_valid_ether_addr(iscsi_mac)) {
8461 bp->flags |= NO_ISCSI_OOO_FLAG |
8462 NO_ISCSI_FLAG;
8463 memset(iscsi_mac, 0, ETH_ALEN);
8464 }
8465 } else
8466 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8467
8468 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8469 val2 = MF_CFG_RD(bp, func_ext_config[func].
8470 fcoe_mac_addr_upper);
8471 val = MF_CFG_RD(bp, func_ext_config[func].
8472 fcoe_mac_addr_lower);
8473 BNX2X_DEV_INFO("Read FCoE MAC to "
8474 "0x%x:0x%04x\n", val2, val);
8475 bnx2x_set_mac_buf(fip_mac, val, val2);
8476
8477 /* Disable FCoE if MAC configuration is
8478 * invalid.
8479 */
8480 if (!is_valid_ether_addr(fip_mac)) {
8481 bp->flags |= NO_FCOE_FLAG;
8482 memset(bp->fip_mac, 0, ETH_ALEN);
8483 }
8484 } else
8485 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008486 }
8487#endif
8488 } else {
8489 /* in SF read MACs from port configuration */
8490 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8491 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8492 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8493
8494#ifdef BCM_CNIC
8495 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8496 iscsi_mac_upper);
8497 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8498 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008499 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008500#endif
8501 }
8502
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008503 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8504 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008505
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008506#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008507 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008508 if (!CHIP_IS_E1x(bp)) {
8509 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008510 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8511 else if (!IS_MF(bp))
8512 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008513 }
8514#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008515}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008516
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008517static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8518{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008519 int /*abs*/func = BP_ABS_FUNC(bp);
8520 int vn, port;
8521 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008522 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008523
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008524 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008525
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008526 if (CHIP_IS_E1x(bp)) {
8527 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008528
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008529 bp->igu_dsb_id = DEF_SB_IGU_ID;
8530 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008531 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8532 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008533 } else {
8534 bp->common.int_block = INT_BLOCK_IGU;
8535 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8536 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8537 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8538 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8539 } else
8540 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8541
8542 bnx2x_get_igu_cam_info(bp);
8543
8544 }
8545 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8546 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8547
8548 /*
8549 * Initialize MF configuration
8550 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008551
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008552 bp->mf_ov = 0;
8553 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008554 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008555 port = BP_PORT(bp);
8556
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008557 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008558 DP(NETIF_MSG_PROBE,
8559 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8560 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8561 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008562 if (SHMEM2_HAS(bp, mf_cfg_addr))
8563 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8564 else
8565 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008566 offsetof(struct shmem_region, func_mb) +
8567 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008568 /*
8569 * get mf configuration:
8570 * 1. existance of MF configuration
8571 * 2. MAC address must be legal (check only upper bytes)
8572 * for Switch-Independent mode;
8573 * OVLAN must be legal for Switch-Dependent mode
8574 * 3. SF_MODE configures specific MF mode
8575 */
8576 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8577 /* get mf configuration */
8578 val = SHMEM_RD(bp,
8579 dev_info.shared_feature_config.config);
8580 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008581
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008582 switch (val) {
8583 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8584 val = MF_CFG_RD(bp, func_mf_config[func].
8585 mac_upper);
8586 /* check for legal mac (upper bytes)*/
8587 if (val != 0xffff) {
8588 bp->mf_mode = MULTI_FUNCTION_SI;
8589 bp->mf_config[vn] = MF_CFG_RD(bp,
8590 func_mf_config[func].config);
8591 } else
8592 DP(NETIF_MSG_PROBE, "illegal MAC "
8593 "address for SI\n");
8594 break;
8595 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8596 /* get OV configuration */
8597 val = MF_CFG_RD(bp,
8598 func_mf_config[FUNC_0].e1hov_tag);
8599 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8600
8601 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8602 bp->mf_mode = MULTI_FUNCTION_SD;
8603 bp->mf_config[vn] = MF_CFG_RD(bp,
8604 func_mf_config[func].config);
8605 } else
8606 DP(NETIF_MSG_PROBE, "illegal OV for "
8607 "SD\n");
8608 break;
8609 default:
8610 /* Unknown configuration: reset mf_config */
8611 bp->mf_config[vn] = 0;
8612 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8613 val);
8614 }
8615 }
8616
Eilon Greenstein2691d512009-08-12 08:22:08 +00008617 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008618 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008619
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008620 switch (bp->mf_mode) {
8621 case MULTI_FUNCTION_SD:
8622 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8623 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008624 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008625 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008626 BNX2X_DEV_INFO("MF OV for func %d is %d"
8627 " (0x%04x)\n", func,
8628 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008629 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008630 BNX2X_ERR("No valid MF OV for func %d,"
8631 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008632 rc = -EPERM;
8633 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008634 break;
8635 case MULTI_FUNCTION_SI:
8636 BNX2X_DEV_INFO("func %d is in MF "
8637 "switch-independent mode\n", func);
8638 break;
8639 default:
8640 if (vn) {
8641 BNX2X_ERR("VN %d in single function mode,"
8642 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008643 rc = -EPERM;
8644 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008645 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008646 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008647
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008648 }
8649
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008650 /* adjust igu_sb_cnt to MF for E1x */
8651 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008652 bp->igu_sb_cnt /= E1HVN_MAX;
8653
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008654 /*
8655 * adjust E2 sb count: to be removed when FW will support
8656 * more then 16 L2 clients
8657 */
8658#define MAX_L2_CLIENTS 16
8659 if (CHIP_IS_E2(bp))
8660 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8661 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8662
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008663 if (!BP_NOMCP(bp)) {
8664 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008665
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008666 bp->fw_seq =
8667 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8668 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008669 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8670 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008671
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008672 /* Get MAC addresses */
8673 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008674
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008675#ifdef BCM_CNIC
8676 bnx2x_get_cnic_info(bp);
8677#endif
8678
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008679 return rc;
8680}
8681
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008682static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8683{
8684 int cnt, i, block_end, rodi;
8685 char vpd_data[BNX2X_VPD_LEN+1];
8686 char str_id_reg[VENDOR_ID_LEN+1];
8687 char str_id_cap[VENDOR_ID_LEN+1];
8688 u8 len;
8689
8690 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8691 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8692
8693 if (cnt < BNX2X_VPD_LEN)
8694 goto out_not_found;
8695
8696 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8697 PCI_VPD_LRDT_RO_DATA);
8698 if (i < 0)
8699 goto out_not_found;
8700
8701
8702 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8703 pci_vpd_lrdt_size(&vpd_data[i]);
8704
8705 i += PCI_VPD_LRDT_TAG_SIZE;
8706
8707 if (block_end > BNX2X_VPD_LEN)
8708 goto out_not_found;
8709
8710 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8711 PCI_VPD_RO_KEYWORD_MFR_ID);
8712 if (rodi < 0)
8713 goto out_not_found;
8714
8715 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8716
8717 if (len != VENDOR_ID_LEN)
8718 goto out_not_found;
8719
8720 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8721
8722 /* vendor specific info */
8723 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8724 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8725 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8726 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8727
8728 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8729 PCI_VPD_RO_KEYWORD_VENDOR0);
8730 if (rodi >= 0) {
8731 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8732
8733 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8734
8735 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8736 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8737 bp->fw_ver[len] = ' ';
8738 }
8739 }
8740 return;
8741 }
8742out_not_found:
8743 return;
8744}
8745
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008746static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8747{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008748 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008749 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008750 int rc;
8751
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008752 /* Disable interrupt handling until HW is initialized */
8753 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008754 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008755
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008756 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008757 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008758 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008759#ifdef BCM_CNIC
8760 mutex_init(&bp->cnic_mutex);
8761#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008762
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008763 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008764 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008765
8766 rc = bnx2x_get_hwinfo(bp);
8767
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008768 if (!rc)
8769 rc = bnx2x_alloc_mem_bp(bp);
8770
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008771 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008772
8773 func = BP_FUNC(bp);
8774
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008775 /* need to reset chip if undi was active */
8776 if (!BP_NOMCP(bp))
8777 bnx2x_undi_unload(bp);
8778
8779 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008780 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008781
8782 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008783 dev_err(&bp->pdev->dev, "MCP disabled, "
8784 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008785
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008786 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008787 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008788
Dmitry Kravkov4fd89b72010-04-01 19:45:34 -07008789 bp->dev->features |= NETIF_F_GRO;
8790
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008791 /* Set TPA flags */
8792 if (disable_tpa) {
8793 bp->flags &= ~TPA_ENABLE_FLAG;
8794 bp->dev->features &= ~NETIF_F_LRO;
8795 } else {
8796 bp->flags |= TPA_ENABLE_FLAG;
8797 bp->dev->features |= NETIF_F_LRO;
8798 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008799 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008800
Eilon Greensteina18f5122009-08-12 08:23:26 +00008801 if (CHIP_IS_E1(bp))
8802 bp->dropless_fc = 0;
8803 else
8804 bp->dropless_fc = dropless_fc;
8805
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008806 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008807
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008808 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008809
8810 bp->rx_csum = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008811
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008812 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008813 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8814 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008815
Eilon Greenstein87942b42009-02-12 08:36:49 +00008816 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8817 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008818
8819 init_timer(&bp->timer);
8820 bp->timer.expires = jiffies + bp->current_interval;
8821 bp->timer.data = (unsigned long) bp;
8822 bp->timer.function = bnx2x_timer;
8823
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008824 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008825 bnx2x_dcbx_init_params(bp);
8826
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008827 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008828}
8829
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008830
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008831/****************************************************************************
8832* General service functions
8833****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008834
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008835/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008836static int bnx2x_open(struct net_device *dev)
8837{
8838 struct bnx2x *bp = netdev_priv(dev);
8839
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008840 netif_carrier_off(dev);
8841
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008842 bnx2x_set_power_state(bp, PCI_D0);
8843
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008844 if (!bnx2x_reset_is_done(bp)) {
8845 do {
8846 /* Reset MCP mail box sequence if there is on going
8847 * recovery
8848 */
8849 bp->fw_seq = 0;
8850
8851 /* If it's the first function to load and reset done
8852 * is still not cleared it may mean that. We don't
8853 * check the attention state here because it may have
8854 * already been cleared by a "common" reset but we
8855 * shell proceed with "process kill" anyway.
8856 */
8857 if ((bnx2x_get_load_cnt(bp) == 0) &&
8858 bnx2x_trylock_hw_lock(bp,
8859 HW_LOCK_RESOURCE_RESERVED_08) &&
8860 (!bnx2x_leader_reset(bp))) {
8861 DP(NETIF_MSG_HW, "Recovered in open\n");
8862 break;
8863 }
8864
8865 bnx2x_set_power_state(bp, PCI_D3hot);
8866
8867 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8868 " completed yet. Try again later. If u still see this"
8869 " message after a few retries then power cycle is"
8870 " required.\n", bp->dev->name);
8871
8872 return -EAGAIN;
8873 } while (0);
8874 }
8875
8876 bp->recovery_state = BNX2X_RECOVERY_DONE;
8877
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008878 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008879}
8880
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008881/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008882static int bnx2x_close(struct net_device *dev)
8883{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008884 struct bnx2x *bp = netdev_priv(dev);
8885
8886 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008887 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008888 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008889
8890 return 0;
8891}
8892
Eilon Greensteinf5372252009-02-12 08:38:30 +00008893/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008894void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008895{
8896 struct bnx2x *bp = netdev_priv(dev);
8897 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8898 int port = BP_PORT(bp);
8899
8900 if (bp->state != BNX2X_STATE_OPEN) {
8901 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8902 return;
8903 }
8904
8905 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8906
8907 if (dev->flags & IFF_PROMISC)
8908 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008909 else if ((dev->flags & IFF_ALLMULTI) ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00008910 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8911 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008912 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008913 else { /* some multicasts */
8914 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008915 /*
8916 * set mc list, do not wait as wait implies sleep
8917 * and set_rx_mode can be invoked from non-sleepable
8918 * context
8919 */
8920 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8921 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8922 BNX2X_MAX_MULTICAST*(1 + port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008923
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008924 bnx2x_set_e1_mc_list(bp, offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008925 } else { /* E1H */
8926 /* Accept one or more multicasts */
Jiri Pirko22bedad32010-04-01 21:22:57 +00008927 struct netdev_hw_addr *ha;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008928 u32 mc_filter[MC_HASH_SIZE];
8929 u32 crc, bit, regidx;
8930 int i;
8931
8932 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8933
Jiri Pirko22bedad32010-04-01 21:22:57 +00008934 netdev_for_each_mc_addr(ha, dev) {
Johannes Berg7c510e42008-10-27 17:47:26 -07008935 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008936 bnx2x_mc_addr(ha));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008937
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008938 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8939 ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008940 bit = (crc >> 24) & 0xff;
8941 regidx = bit >> 5;
8942 bit &= 0x1f;
8943 mc_filter[regidx] |= (1 << bit);
8944 }
8945
8946 for (i = 0; i < MC_HASH_SIZE; i++)
8947 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8948 mc_filter[i]);
8949 }
8950 }
8951
8952 bp->rx_mode = rx_mode;
8953 bnx2x_set_storm_rx_mode(bp);
8954}
8955
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008956/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008957static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8958 int devad, u16 addr)
8959{
8960 struct bnx2x *bp = netdev_priv(netdev);
8961 u16 value;
8962 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008963
8964 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8965 prtad, devad, addr);
8966
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008967 /* The HW expects different devad if CL22 is used */
8968 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8969
8970 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008971 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008972 bnx2x_release_phy_lock(bp);
8973 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8974
8975 if (!rc)
8976 rc = value;
8977 return rc;
8978}
8979
8980/* called with rtnl_lock */
8981static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8982 u16 addr, u16 value)
8983{
8984 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008985 int rc;
8986
8987 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8988 " value 0x%x\n", prtad, devad, addr, value);
8989
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008990 /* The HW expects different devad if CL22 is used */
8991 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8992
8993 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008994 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008995 bnx2x_release_phy_lock(bp);
8996 return rc;
8997}
8998
8999/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009000static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9001{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009002 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009003 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009004
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009005 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9006 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009007
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009008 if (!netif_running(dev))
9009 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009010
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009011 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009012}
9013
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009014#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009015static void poll_bnx2x(struct net_device *dev)
9016{
9017 struct bnx2x *bp = netdev_priv(dev);
9018
9019 disable_irq(bp->pdev->irq);
9020 bnx2x_interrupt(bp->pdev->irq, dev);
9021 enable_irq(bp->pdev->irq);
9022}
9023#endif
9024
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009025static const struct net_device_ops bnx2x_netdev_ops = {
9026 .ndo_open = bnx2x_open,
9027 .ndo_stop = bnx2x_close,
9028 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009029 .ndo_select_queue = bnx2x_select_queue,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009030 .ndo_set_multicast_list = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009031 .ndo_set_mac_address = bnx2x_change_mac_addr,
9032 .ndo_validate_addr = eth_validate_addr,
9033 .ndo_do_ioctl = bnx2x_ioctl,
9034 .ndo_change_mtu = bnx2x_change_mtu,
9035 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009036#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009037 .ndo_poll_controller = poll_bnx2x,
9038#endif
9039};
9040
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009041static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9042 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009043{
9044 struct bnx2x *bp;
9045 int rc;
9046
9047 SET_NETDEV_DEV(dev, &pdev->dev);
9048 bp = netdev_priv(dev);
9049
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009050 bp->dev = dev;
9051 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009052 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009053 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009054
9055 rc = pci_enable_device(pdev);
9056 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009057 dev_err(&bp->pdev->dev,
9058 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009059 goto err_out;
9060 }
9061
9062 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009063 dev_err(&bp->pdev->dev,
9064 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009065 rc = -ENODEV;
9066 goto err_out_disable;
9067 }
9068
9069 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009070 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9071 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009072 rc = -ENODEV;
9073 goto err_out_disable;
9074 }
9075
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009076 if (atomic_read(&pdev->enable_cnt) == 1) {
9077 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9078 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009079 dev_err(&bp->pdev->dev,
9080 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009081 goto err_out_disable;
9082 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009083
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009084 pci_set_master(pdev);
9085 pci_save_state(pdev);
9086 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009087
9088 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9089 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009090 dev_err(&bp->pdev->dev,
9091 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009092 rc = -EIO;
9093 goto err_out_release;
9094 }
9095
9096 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9097 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009098 dev_err(&bp->pdev->dev,
9099 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009100 rc = -EIO;
9101 goto err_out_release;
9102 }
9103
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009104 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009105 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009106 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009107 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9108 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009109 rc = -EIO;
9110 goto err_out_release;
9111 }
9112
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009113 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009114 dev_err(&bp->pdev->dev,
9115 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009116 rc = -EIO;
9117 goto err_out_release;
9118 }
9119
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009120 dev->mem_start = pci_resource_start(pdev, 0);
9121 dev->base_addr = dev->mem_start;
9122 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009123
9124 dev->irq = pdev->irq;
9125
Arjan van de Ven275f1652008-10-20 21:42:39 -07009126 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009127 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009128 dev_err(&bp->pdev->dev,
9129 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009130 rc = -ENOMEM;
9131 goto err_out_release;
9132 }
9133
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009134 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009135 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009136 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009137 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009138 dev_err(&bp->pdev->dev,
9139 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009140 rc = -ENOMEM;
9141 goto err_out_unmap;
9142 }
9143
9144 bnx2x_set_power_state(bp, PCI_D0);
9145
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009146 /* clean indirect addresses */
9147 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9148 PCICFG_VENDOR_ID_OFFSET);
9149 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9150 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9151 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9152 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009153
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009154 /* Reset the load counter */
9155 bnx2x_clear_load_cnt(bp);
9156
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009157 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009158
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009159 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009160 bnx2x_set_ethtool_ops(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009161 dev->features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009162 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009163 if (bp->flags & USING_DAC_FLAG)
9164 dev->features |= NETIF_F_HIGHDMA;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009165 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9166 dev->features |= NETIF_F_TSO6;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009167 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009168
9169 dev->vlan_features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009170 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009171 if (bp->flags & USING_DAC_FLAG)
9172 dev->vlan_features |= NETIF_F_HIGHDMA;
9173 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9174 dev->vlan_features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009175
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009176#ifdef BCM_DCB
9177 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9178#endif
9179
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009180 /* get_port_hwinfo() will set prtad and mmds properly */
9181 bp->mdio.prtad = MDIO_PRTAD_NONE;
9182 bp->mdio.mmds = 0;
9183 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9184 bp->mdio.dev = dev;
9185 bp->mdio.mdio_read = bnx2x_mdio_read;
9186 bp->mdio.mdio_write = bnx2x_mdio_write;
9187
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009188 return 0;
9189
9190err_out_unmap:
9191 if (bp->regview) {
9192 iounmap(bp->regview);
9193 bp->regview = NULL;
9194 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009195 if (bp->doorbells) {
9196 iounmap(bp->doorbells);
9197 bp->doorbells = NULL;
9198 }
9199
9200err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009201 if (atomic_read(&pdev->enable_cnt) == 1)
9202 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009203
9204err_out_disable:
9205 pci_disable_device(pdev);
9206 pci_set_drvdata(pdev, NULL);
9207
9208err_out:
9209 return rc;
9210}
9211
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009212static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9213 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009214{
9215 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9216
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009217 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9218
9219 /* return value of 1=2.5GHz 2=5GHz */
9220 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009221}
9222
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009223static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009224{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009225 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009226 struct bnx2x_fw_file_hdr *fw_hdr;
9227 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009228 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009229 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009230 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009231 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009232
9233 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9234 return -EINVAL;
9235
9236 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9237 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9238
9239 /* Make sure none of the offsets and sizes make us read beyond
9240 * the end of the firmware data */
9241 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9242 offset = be32_to_cpu(sections[i].offset);
9243 len = be32_to_cpu(sections[i].len);
9244 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009245 dev_err(&bp->pdev->dev,
9246 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009247 return -EINVAL;
9248 }
9249 }
9250
9251 /* Likewise for the init_ops offsets */
9252 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9253 ops_offsets = (u16 *)(firmware->data + offset);
9254 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9255
9256 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9257 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009258 dev_err(&bp->pdev->dev,
9259 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009260 return -EINVAL;
9261 }
9262 }
9263
9264 /* Check FW version */
9265 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9266 fw_ver = firmware->data + offset;
9267 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9268 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9269 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9270 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009271 dev_err(&bp->pdev->dev,
9272 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009273 fw_ver[0], fw_ver[1], fw_ver[2],
9274 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9275 BCM_5710_FW_MINOR_VERSION,
9276 BCM_5710_FW_REVISION_VERSION,
9277 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009278 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009279 }
9280
9281 return 0;
9282}
9283
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009284static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009285{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009286 const __be32 *source = (const __be32 *)_source;
9287 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009288 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009289
9290 for (i = 0; i < n/4; i++)
9291 target[i] = be32_to_cpu(source[i]);
9292}
9293
9294/*
9295 Ops array is stored in the following format:
9296 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9297 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009298static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009299{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009300 const __be32 *source = (const __be32 *)_source;
9301 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009302 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009303
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009304 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009305 tmp = be32_to_cpu(source[j]);
9306 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009307 target[i].offset = tmp & 0xffffff;
9308 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009309 }
9310}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009311
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009312/**
9313 * IRO array is stored in the following format:
9314 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9315 */
9316static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9317{
9318 const __be32 *source = (const __be32 *)_source;
9319 struct iro *target = (struct iro *)_target;
9320 u32 i, j, tmp;
9321
9322 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9323 target[i].base = be32_to_cpu(source[j]);
9324 j++;
9325 tmp = be32_to_cpu(source[j]);
9326 target[i].m1 = (tmp >> 16) & 0xffff;
9327 target[i].m2 = tmp & 0xffff;
9328 j++;
9329 tmp = be32_to_cpu(source[j]);
9330 target[i].m3 = (tmp >> 16) & 0xffff;
9331 target[i].size = tmp & 0xffff;
9332 j++;
9333 }
9334}
9335
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009336static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009337{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009338 const __be16 *source = (const __be16 *)_source;
9339 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009340 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009341
9342 for (i = 0; i < n/2; i++)
9343 target[i] = be16_to_cpu(source[i]);
9344}
9345
Joe Perches7995c642010-02-17 15:01:52 +00009346#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9347do { \
9348 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9349 bp->arr = kmalloc(len, GFP_KERNEL); \
9350 if (!bp->arr) { \
9351 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9352 goto lbl; \
9353 } \
9354 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9355 (u8 *)bp->arr, len); \
9356} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009357
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009358int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009359{
Ben Hutchings45229b42009-11-07 11:53:39 +00009360 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009361 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009362 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009363
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009364 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009365 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009366 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009367 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009368 else if (CHIP_IS_E2(bp))
9369 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009370 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009371 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009372 return -EINVAL;
9373 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009374
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009375 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009376
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009377 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009378 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009379 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009380 goto request_firmware_exit;
9381 }
9382
9383 rc = bnx2x_check_firmware(bp);
9384 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009385 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009386 goto request_firmware_exit;
9387 }
9388
9389 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9390
9391 /* Initialize the pointers to the init arrays */
9392 /* Blob */
9393 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9394
9395 /* Opcodes */
9396 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9397
9398 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009399 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9400 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009401
9402 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009403 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9404 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9405 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9406 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9407 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9408 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9409 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9410 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9411 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9412 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9413 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9414 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9415 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9416 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9417 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9418 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009419 /* IRO */
9420 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009421
9422 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009423
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009424iro_alloc_err:
9425 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009426init_offsets_alloc_err:
9427 kfree(bp->init_ops);
9428init_ops_alloc_err:
9429 kfree(bp->init_data);
9430request_firmware_exit:
9431 release_firmware(bp->firmware);
9432
9433 return rc;
9434}
9435
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009436static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9437{
9438 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009439
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009440#ifdef BCM_CNIC
9441 cid_count += CNIC_CID_MAX;
9442#endif
9443 return roundup(cid_count, QM_CID_ROUND);
9444}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009445
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009446static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9447 const struct pci_device_id *ent)
9448{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009449 struct net_device *dev = NULL;
9450 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009451 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009452 int rc, cid_count;
9453
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009454 switch (ent->driver_data) {
9455 case BCM57710:
9456 case BCM57711:
9457 case BCM57711E:
9458 cid_count = FP_SB_MAX_E1x;
9459 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009460
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009461 case BCM57712:
9462 case BCM57712E:
9463 cid_count = FP_SB_MAX_E2;
9464 break;
9465
9466 default:
9467 pr_err("Unknown board_type (%ld), aborting\n",
9468 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009469 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009470 }
9471
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009472 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009473
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009474 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009475 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009476 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009477 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009478 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009479 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009480
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009481 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009482 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009483
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009484 pci_set_drvdata(pdev, dev);
9485
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009486 bp->l2_cid_count = cid_count;
9487
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009488 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009489 if (rc < 0) {
9490 free_netdev(dev);
9491 return rc;
9492 }
9493
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009494 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009495 if (rc)
9496 goto init_one_exit;
9497
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009498 /* calc qm_cid_count */
9499 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9500
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009501#ifdef BCM_CNIC
9502 /* disable FCOE L2 queue for E1x*/
9503 if (CHIP_IS_E1x(bp))
9504 bp->flags |= NO_FCOE_FLAG;
9505
9506#endif
9507
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009508 /* Configure interupt mode: try to enable MSI-X/MSI if
9509 * needed, set bp->num_queues appropriately.
9510 */
9511 bnx2x_set_int_mode(bp);
9512
9513 /* Add all NAPI objects */
9514 bnx2x_add_all_napi(bp);
9515
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009516 rc = register_netdev(dev);
9517 if (rc) {
9518 dev_err(&pdev->dev, "Cannot register net device\n");
9519 goto init_one_exit;
9520 }
9521
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009522#ifdef BCM_CNIC
9523 if (!NO_FCOE(bp)) {
9524 /* Add storage MAC address */
9525 rtnl_lock();
9526 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9527 rtnl_unlock();
9528 }
9529#endif
9530
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009531 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009532
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009533 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9534 " IRQ %d, ", board_info[ent->driver_data].name,
9535 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009536 pcie_width,
9537 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9538 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9539 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009540 dev->base_addr, bp->pdev->irq);
9541 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009542
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009543 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009544
9545init_one_exit:
9546 if (bp->regview)
9547 iounmap(bp->regview);
9548
9549 if (bp->doorbells)
9550 iounmap(bp->doorbells);
9551
9552 free_netdev(dev);
9553
9554 if (atomic_read(&pdev->enable_cnt) == 1)
9555 pci_release_regions(pdev);
9556
9557 pci_disable_device(pdev);
9558 pci_set_drvdata(pdev, NULL);
9559
9560 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009561}
9562
9563static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9564{
9565 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009566 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009567
Eliezer Tamir228241e2008-02-28 11:56:57 -08009568 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009569 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009570 return;
9571 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009572 bp = netdev_priv(dev);
9573
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009574#ifdef BCM_CNIC
9575 /* Delete storage MAC address */
9576 if (!NO_FCOE(bp)) {
9577 rtnl_lock();
9578 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9579 rtnl_unlock();
9580 }
9581#endif
9582
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009583 unregister_netdev(dev);
9584
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009585 /* Delete all NAPI objects */
9586 bnx2x_del_all_napi(bp);
9587
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009588 /* Power on: we can't let PCI layer write to us while we are in D3 */
9589 bnx2x_set_power_state(bp, PCI_D0);
9590
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009591 /* Disable MSI/MSI-X */
9592 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009593
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009594 /* Power off */
9595 bnx2x_set_power_state(bp, PCI_D3hot);
9596
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009597 /* Make sure RESET task is not scheduled before continuing */
9598 cancel_delayed_work_sync(&bp->reset_task);
9599
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009600 if (bp->regview)
9601 iounmap(bp->regview);
9602
9603 if (bp->doorbells)
9604 iounmap(bp->doorbells);
9605
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009606 bnx2x_free_mem_bp(bp);
9607
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009608 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009609
9610 if (atomic_read(&pdev->enable_cnt) == 1)
9611 pci_release_regions(pdev);
9612
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009613 pci_disable_device(pdev);
9614 pci_set_drvdata(pdev, NULL);
9615}
9616
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009617static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9618{
9619 int i;
9620
9621 bp->state = BNX2X_STATE_ERROR;
9622
9623 bp->rx_mode = BNX2X_RX_MODE_NONE;
9624
9625 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009626 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009627
9628 del_timer_sync(&bp->timer);
9629 bp->stats_state = STATS_STATE_DISABLED;
9630 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9631
9632 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009633 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009634
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009635 /* Free SKBs, SGEs, TPA pool and driver internals */
9636 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009637
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009638 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009639 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009640
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009641 bnx2x_free_mem(bp);
9642
9643 bp->state = BNX2X_STATE_CLOSED;
9644
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009645 return 0;
9646}
9647
9648static void bnx2x_eeh_recover(struct bnx2x *bp)
9649{
9650 u32 val;
9651
9652 mutex_init(&bp->port.phy_mutex);
9653
9654 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9655 bp->link_params.shmem_base = bp->common.shmem_base;
9656 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9657
9658 if (!bp->common.shmem_base ||
9659 (bp->common.shmem_base < 0xA0000) ||
9660 (bp->common.shmem_base >= 0xC0000)) {
9661 BNX2X_DEV_INFO("MCP not active\n");
9662 bp->flags |= NO_MCP_FLAG;
9663 return;
9664 }
9665
9666 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9667 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9668 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9669 BNX2X_ERR("BAD MCP validity signature\n");
9670
9671 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009672 bp->fw_seq =
9673 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9674 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009675 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9676 }
9677}
9678
Wendy Xiong493adb12008-06-23 20:36:22 -07009679/**
9680 * bnx2x_io_error_detected - called when PCI error is detected
9681 * @pdev: Pointer to PCI device
9682 * @state: The current pci connection state
9683 *
9684 * This function is called after a PCI bus error affecting
9685 * this device has been detected.
9686 */
9687static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9688 pci_channel_state_t state)
9689{
9690 struct net_device *dev = pci_get_drvdata(pdev);
9691 struct bnx2x *bp = netdev_priv(dev);
9692
9693 rtnl_lock();
9694
9695 netif_device_detach(dev);
9696
Dean Nelson07ce50e42009-07-31 09:13:25 +00009697 if (state == pci_channel_io_perm_failure) {
9698 rtnl_unlock();
9699 return PCI_ERS_RESULT_DISCONNECT;
9700 }
9701
Wendy Xiong493adb12008-06-23 20:36:22 -07009702 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009703 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009704
9705 pci_disable_device(pdev);
9706
9707 rtnl_unlock();
9708
9709 /* Request a slot reset */
9710 return PCI_ERS_RESULT_NEED_RESET;
9711}
9712
9713/**
9714 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9715 * @pdev: Pointer to PCI device
9716 *
9717 * Restart the card from scratch, as if from a cold-boot.
9718 */
9719static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9720{
9721 struct net_device *dev = pci_get_drvdata(pdev);
9722 struct bnx2x *bp = netdev_priv(dev);
9723
9724 rtnl_lock();
9725
9726 if (pci_enable_device(pdev)) {
9727 dev_err(&pdev->dev,
9728 "Cannot re-enable PCI device after reset\n");
9729 rtnl_unlock();
9730 return PCI_ERS_RESULT_DISCONNECT;
9731 }
9732
9733 pci_set_master(pdev);
9734 pci_restore_state(pdev);
9735
9736 if (netif_running(dev))
9737 bnx2x_set_power_state(bp, PCI_D0);
9738
9739 rtnl_unlock();
9740
9741 return PCI_ERS_RESULT_RECOVERED;
9742}
9743
9744/**
9745 * bnx2x_io_resume - called when traffic can start flowing again
9746 * @pdev: Pointer to PCI device
9747 *
9748 * This callback is called when the error recovery driver tells us that
9749 * its OK to resume normal operation.
9750 */
9751static void bnx2x_io_resume(struct pci_dev *pdev)
9752{
9753 struct net_device *dev = pci_get_drvdata(pdev);
9754 struct bnx2x *bp = netdev_priv(dev);
9755
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009756 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009757 printk(KERN_ERR "Handling parity error recovery. "
9758 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009759 return;
9760 }
9761
Wendy Xiong493adb12008-06-23 20:36:22 -07009762 rtnl_lock();
9763
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009764 bnx2x_eeh_recover(bp);
9765
Wendy Xiong493adb12008-06-23 20:36:22 -07009766 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009767 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009768
9769 netif_device_attach(dev);
9770
9771 rtnl_unlock();
9772}
9773
9774static struct pci_error_handlers bnx2x_err_handler = {
9775 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009776 .slot_reset = bnx2x_io_slot_reset,
9777 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009778};
9779
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009780static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009781 .name = DRV_MODULE_NAME,
9782 .id_table = bnx2x_pci_tbl,
9783 .probe = bnx2x_init_one,
9784 .remove = __devexit_p(bnx2x_remove_one),
9785 .suspend = bnx2x_suspend,
9786 .resume = bnx2x_resume,
9787 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009788};
9789
9790static int __init bnx2x_init(void)
9791{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009792 int ret;
9793
Joe Perches7995c642010-02-17 15:01:52 +00009794 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009795
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009796 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9797 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009798 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009799 return -ENOMEM;
9800 }
9801
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009802 ret = pci_register_driver(&bnx2x_pci_driver);
9803 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009804 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009805 destroy_workqueue(bnx2x_wq);
9806 }
9807 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009808}
9809
9810static void __exit bnx2x_cleanup(void)
9811{
9812 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009813
9814 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009815}
9816
9817module_init(bnx2x_init);
9818module_exit(bnx2x_cleanup);
9819
Michael Chan993ac7b2009-10-10 13:46:56 +00009820#ifdef BCM_CNIC
9821
9822/* count denotes the number of new completions we have seen */
9823static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9824{
9825 struct eth_spe *spe;
9826
9827#ifdef BNX2X_STOP_ON_ERROR
9828 if (unlikely(bp->panic))
9829 return;
9830#endif
9831
9832 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009833 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009834 bp->cnic_spq_pending -= count;
9835
Michael Chan993ac7b2009-10-10 13:46:56 +00009836
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009837 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9838 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9839 & SPE_HDR_CONN_TYPE) >>
9840 SPE_HDR_CONN_TYPE_SHIFT;
9841
9842 /* Set validation for iSCSI L2 client before sending SETUP
9843 * ramrod
9844 */
9845 if (type == ETH_CONNECTION_TYPE) {
9846 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9847 hdr.conn_and_cmd_data) >>
9848 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9849
9850 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9851 bnx2x_set_ctx_validation(&bp->context.
9852 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9853 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9854 }
9855
9856 /* There may be not more than 8 L2 and COMMON SPEs and not more
9857 * than 8 L5 SPEs in the air.
9858 */
9859 if ((type == NONE_CONNECTION_TYPE) ||
9860 (type == ETH_CONNECTION_TYPE)) {
9861 if (!atomic_read(&bp->spq_left))
9862 break;
9863 else
9864 atomic_dec(&bp->spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009865 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9866 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009867 if (bp->cnic_spq_pending >=
9868 bp->cnic_eth_dev.max_kwqe_pending)
9869 break;
9870 else
9871 bp->cnic_spq_pending++;
9872 } else {
9873 BNX2X_ERR("Unknown SPE type: %d\n", type);
9874 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009875 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009876 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009877
9878 spe = bnx2x_sp_get_next(bp);
9879 *spe = *bp->cnic_kwq_cons;
9880
Michael Chan993ac7b2009-10-10 13:46:56 +00009881 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9882 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9883
9884 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9885 bp->cnic_kwq_cons = bp->cnic_kwq;
9886 else
9887 bp->cnic_kwq_cons++;
9888 }
9889 bnx2x_sp_prod_update(bp);
9890 spin_unlock_bh(&bp->spq_lock);
9891}
9892
9893static int bnx2x_cnic_sp_queue(struct net_device *dev,
9894 struct kwqe_16 *kwqes[], u32 count)
9895{
9896 struct bnx2x *bp = netdev_priv(dev);
9897 int i;
9898
9899#ifdef BNX2X_STOP_ON_ERROR
9900 if (unlikely(bp->panic))
9901 return -EIO;
9902#endif
9903
9904 spin_lock_bh(&bp->spq_lock);
9905
9906 for (i = 0; i < count; i++) {
9907 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9908
9909 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9910 break;
9911
9912 *bp->cnic_kwq_prod = *spe;
9913
9914 bp->cnic_kwq_pending++;
9915
9916 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9917 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009918 spe->data.update_data_addr.hi,
9919 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009920 bp->cnic_kwq_pending);
9921
9922 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9923 bp->cnic_kwq_prod = bp->cnic_kwq;
9924 else
9925 bp->cnic_kwq_prod++;
9926 }
9927
9928 spin_unlock_bh(&bp->spq_lock);
9929
9930 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9931 bnx2x_cnic_sp_post(bp, 0);
9932
9933 return i;
9934}
9935
9936static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9937{
9938 struct cnic_ops *c_ops;
9939 int rc = 0;
9940
9941 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +00009942 c_ops = rcu_dereference_protected(bp->cnic_ops,
9943 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +00009944 if (c_ops)
9945 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9946 mutex_unlock(&bp->cnic_mutex);
9947
9948 return rc;
9949}
9950
9951static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9952{
9953 struct cnic_ops *c_ops;
9954 int rc = 0;
9955
9956 rcu_read_lock();
9957 c_ops = rcu_dereference(bp->cnic_ops);
9958 if (c_ops)
9959 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9960 rcu_read_unlock();
9961
9962 return rc;
9963}
9964
9965/*
9966 * for commands that have no data
9967 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009968int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +00009969{
9970 struct cnic_ctl_info ctl = {0};
9971
9972 ctl.cmd = cmd;
9973
9974 return bnx2x_cnic_ctl_send(bp, &ctl);
9975}
9976
9977static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9978{
9979 struct cnic_ctl_info ctl;
9980
9981 /* first we tell CNIC and only then we count this as a completion */
9982 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9983 ctl.data.comp.cid = cid;
9984
9985 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009986 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009987}
9988
9989static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9990{
9991 struct bnx2x *bp = netdev_priv(dev);
9992 int rc = 0;
9993
9994 switch (ctl->cmd) {
9995 case DRV_CTL_CTXTBL_WR_CMD: {
9996 u32 index = ctl->data.io.offset;
9997 dma_addr_t addr = ctl->data.io.dma_addr;
9998
9999 bnx2x_ilt_wr(bp, index, addr);
10000 break;
10001 }
10002
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010003 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10004 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010005
10006 bnx2x_cnic_sp_post(bp, count);
10007 break;
10008 }
10009
10010 /* rtnl_lock is held. */
10011 case DRV_CTL_START_L2_CMD: {
10012 u32 cli = ctl->data.ring.client_id;
10013
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010014 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10015 bnx2x_del_fcoe_eth_macs(bp);
10016
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010017 /* Set iSCSI MAC address */
10018 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10019
10020 mmiowb();
10021 barrier();
10022
10023 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10024 * because it's the only way for UIO Client to accept
10025 * multicasts (in non-promiscuous mode only one Client per
10026 * function will receive multicast packets (leading in our
10027 * case).
10028 */
10029 bnx2x_rxq_set_mac_filters(bp, cli,
10030 BNX2X_ACCEPT_UNICAST |
10031 BNX2X_ACCEPT_BROADCAST |
10032 BNX2X_ACCEPT_ALL_MULTICAST);
10033 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10034
Michael Chan993ac7b2009-10-10 13:46:56 +000010035 break;
10036 }
10037
10038 /* rtnl_lock is held. */
10039 case DRV_CTL_STOP_L2_CMD: {
10040 u32 cli = ctl->data.ring.client_id;
10041
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010042 /* Stop accepting on iSCSI L2 ring */
10043 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10044 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10045
10046 mmiowb();
10047 barrier();
10048
10049 /* Unset iSCSI L2 MAC */
10050 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010051 break;
10052 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010053 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10054 int count = ctl->data.credit.credit_count;
10055
10056 smp_mb__before_atomic_inc();
10057 atomic_add(count, &bp->spq_left);
10058 smp_mb__after_atomic_inc();
10059 break;
10060 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010061
10062 default:
10063 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10064 rc = -EINVAL;
10065 }
10066
10067 return rc;
10068}
10069
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010070void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010071{
10072 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10073
10074 if (bp->flags & USING_MSIX_FLAG) {
10075 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10076 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10077 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10078 } else {
10079 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10080 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10081 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010082 if (CHIP_IS_E2(bp))
10083 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10084 else
10085 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10086
Michael Chan993ac7b2009-10-10 13:46:56 +000010087 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010088 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010089 cp->irq_arr[1].status_blk = bp->def_status_blk;
10090 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010091 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010092
10093 cp->num_irq = 2;
10094}
10095
10096static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10097 void *data)
10098{
10099 struct bnx2x *bp = netdev_priv(dev);
10100 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10101
10102 if (ops == NULL)
10103 return -EINVAL;
10104
10105 if (atomic_read(&bp->intr_sem) != 0)
10106 return -EBUSY;
10107
10108 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10109 if (!bp->cnic_kwq)
10110 return -ENOMEM;
10111
10112 bp->cnic_kwq_cons = bp->cnic_kwq;
10113 bp->cnic_kwq_prod = bp->cnic_kwq;
10114 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10115
10116 bp->cnic_spq_pending = 0;
10117 bp->cnic_kwq_pending = 0;
10118
10119 bp->cnic_data = data;
10120
10121 cp->num_irq = 0;
10122 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010123 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010124
Michael Chan993ac7b2009-10-10 13:46:56 +000010125 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010126
Michael Chan993ac7b2009-10-10 13:46:56 +000010127 rcu_assign_pointer(bp->cnic_ops, ops);
10128
10129 return 0;
10130}
10131
10132static int bnx2x_unregister_cnic(struct net_device *dev)
10133{
10134 struct bnx2x *bp = netdev_priv(dev);
10135 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10136
10137 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010138 cp->drv_state = 0;
10139 rcu_assign_pointer(bp->cnic_ops, NULL);
10140 mutex_unlock(&bp->cnic_mutex);
10141 synchronize_rcu();
10142 kfree(bp->cnic_kwq);
10143 bp->cnic_kwq = NULL;
10144
10145 return 0;
10146}
10147
10148struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10149{
10150 struct bnx2x *bp = netdev_priv(dev);
10151 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10152
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010153 /* If both iSCSI and FCoE are disabled - return NULL in
10154 * order to indicate CNIC that it should not try to work
10155 * with this device.
10156 */
10157 if (NO_ISCSI(bp) && NO_FCOE(bp))
10158 return NULL;
10159
Michael Chan993ac7b2009-10-10 13:46:56 +000010160 cp->drv_owner = THIS_MODULE;
10161 cp->chip_id = CHIP_ID(bp);
10162 cp->pdev = bp->pdev;
10163 cp->io_base = bp->regview;
10164 cp->io_base2 = bp->doorbells;
10165 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010166 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010167 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10168 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010169 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010170 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010171 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10172 cp->drv_ctl = bnx2x_drv_ctl;
10173 cp->drv_register_cnic = bnx2x_register_cnic;
10174 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010175 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10176 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10177 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010178 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010179
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010180 if (NO_ISCSI_OOO(bp))
10181 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10182
10183 if (NO_ISCSI(bp))
10184 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10185
10186 if (NO_FCOE(bp))
10187 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10188
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010189 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10190 "starting cid %d\n",
10191 cp->ctx_blk_size,
10192 cp->ctx_tbl_offset,
10193 cp->ctx_tbl_len,
10194 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010195 return cp;
10196}
10197EXPORT_SYMBOL(bnx2x_cnic_probe);
10198
10199#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010200