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Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
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 }
2304 if (filters & BNX2X_ACCEPT_MULTICAST) {
2305 /* accept matched mcast */
2306 drop_all_mcast = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002307 if (IS_MF_SI(bp))
2308 /* since mcast addresses won't arrive with ovlan,
2309 * fw needs to accept all of them in
2310 * switch-independent mode */
2311 accp_all_mcast = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002312 }
2313 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2314 /* accept all mcast */
2315 drop_all_ucast = 0;
2316 accp_all_ucast = 1;
2317 }
2318 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2319 /* accept all mcast */
2320 drop_all_mcast = 0;
2321 accp_all_mcast = 1;
2322 }
2323 if (filters & BNX2X_ACCEPT_BROADCAST) {
2324 /* accept (all) bcast */
2325 drop_all_bcast = 0;
2326 accp_all_bcast = 1;
2327 }
2328
2329 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2330 bp->mac_filters.ucast_drop_all | mask :
2331 bp->mac_filters.ucast_drop_all & ~mask;
2332
2333 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2334 bp->mac_filters.mcast_drop_all | mask :
2335 bp->mac_filters.mcast_drop_all & ~mask;
2336
2337 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2338 bp->mac_filters.bcast_drop_all | mask :
2339 bp->mac_filters.bcast_drop_all & ~mask;
2340
2341 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2342 bp->mac_filters.ucast_accept_all | mask :
2343 bp->mac_filters.ucast_accept_all & ~mask;
2344
2345 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2346 bp->mac_filters.mcast_accept_all | mask :
2347 bp->mac_filters.mcast_accept_all & ~mask;
2348
2349 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2350 bp->mac_filters.bcast_accept_all | mask :
2351 bp->mac_filters.bcast_accept_all & ~mask;
2352
2353 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2354 bp->mac_filters.unmatched_unicast | mask :
2355 bp->mac_filters.unmatched_unicast & ~mask;
2356}
2357
stephen hemminger8d962862010-10-21 07:50:56 +00002358static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002359{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002360 struct tstorm_eth_function_common_config tcfg = {0};
2361 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002362
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002363 /* tpa */
2364 if (p->func_flgs & FUNC_FLG_TPA)
2365 tcfg.config_flags |=
2366 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002367
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002368 /* set rss flags */
2369 rss_flgs = (p->rss->mode <<
2370 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002371
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002372 if (p->rss->cap & RSS_IPV4_CAP)
2373 rss_flgs |= RSS_IPV4_CAP_MASK;
2374 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2375 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2376 if (p->rss->cap & RSS_IPV6_CAP)
2377 rss_flgs |= RSS_IPV6_CAP_MASK;
2378 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2379 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002380
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002381 tcfg.config_flags |= rss_flgs;
2382 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002383
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002384 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002385
2386 /* Enable the function in the FW */
2387 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2388 storm_memset_func_en(bp, p->func_id, 1);
2389
2390 /* statistics */
2391 if (p->func_flgs & FUNC_FLG_STATS) {
2392 struct stats_indication_flags stats_flags = {0};
2393 stats_flags.collect_eth = 1;
2394
2395 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2396 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2397
2398 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2399 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2400
2401 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2402 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2403
2404 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2405 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2406 }
2407
2408 /* spq */
2409 if (p->func_flgs & FUNC_FLG_SPQ) {
2410 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2411 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2412 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2413 }
2414}
2415
2416static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2417 struct bnx2x_fastpath *fp)
2418{
2419 u16 flags = 0;
2420
2421 /* calculate queue flags */
2422 flags |= QUEUE_FLG_CACHE_ALIGN;
2423 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002424 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002425
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002426 flags |= QUEUE_FLG_VLAN;
2427 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002428
2429 if (!fp->disable_tpa)
2430 flags |= QUEUE_FLG_TPA;
2431
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002432 flags = stat_counter_valid(bp, fp) ?
2433 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002434
2435 return flags;
2436}
2437
2438static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2439 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2440 struct bnx2x_rxq_init_params *rxq_init)
2441{
2442 u16 max_sge = 0;
2443 u16 sge_sz = 0;
2444 u16 tpa_agg_size = 0;
2445
2446 /* calculate queue flags */
2447 u16 flags = bnx2x_get_cl_flags(bp, fp);
2448
2449 if (!fp->disable_tpa) {
2450 pause->sge_th_hi = 250;
2451 pause->sge_th_lo = 150;
2452 tpa_agg_size = min_t(u32,
2453 (min_t(u32, 8, MAX_SKB_FRAGS) *
2454 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2455 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2456 SGE_PAGE_SHIFT;
2457 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2458 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2459 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2460 0xffff);
2461 }
2462
2463 /* pause - not for e1 */
2464 if (!CHIP_IS_E1(bp)) {
2465 pause->bd_th_hi = 350;
2466 pause->bd_th_lo = 250;
2467 pause->rcq_th_hi = 350;
2468 pause->rcq_th_lo = 250;
2469 pause->sge_th_hi = 0;
2470 pause->sge_th_lo = 0;
2471 pause->pri_map = 1;
2472 }
2473
2474 /* rxq setup */
2475 rxq_init->flags = flags;
2476 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2477 rxq_init->dscr_map = fp->rx_desc_mapping;
2478 rxq_init->sge_map = fp->rx_sge_mapping;
2479 rxq_init->rcq_map = fp->rx_comp_mapping;
2480 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2481 rxq_init->mtu = bp->dev->mtu;
2482 rxq_init->buf_sz = bp->rx_buf_size;
2483 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2484 rxq_init->cl_id = fp->cl_id;
2485 rxq_init->spcl_id = fp->cl_id;
2486 rxq_init->stat_id = fp->cl_id;
2487 rxq_init->tpa_agg_sz = tpa_agg_size;
2488 rxq_init->sge_buf_sz = sge_sz;
2489 rxq_init->max_sges_pkt = max_sge;
2490 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2491 rxq_init->fw_sb_id = fp->fw_sb_id;
2492
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002493 if (IS_FCOE_FP(fp))
2494 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2495 else
2496 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002497
2498 rxq_init->cid = HW_CID(bp, fp->cid);
2499
2500 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2501}
2502
2503static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2504 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2505{
2506 u16 flags = bnx2x_get_cl_flags(bp, fp);
2507
2508 txq_init->flags = flags;
2509 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2510 txq_init->dscr_map = fp->tx_desc_mapping;
2511 txq_init->stat_id = fp->cl_id;
2512 txq_init->cid = HW_CID(bp, fp->cid);
2513 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2514 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2515 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002516
2517 if (IS_FCOE_FP(fp)) {
2518 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2519 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2520 }
2521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002522 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2523}
2524
stephen hemminger8d962862010-10-21 07:50:56 +00002525static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002526{
2527 struct bnx2x_func_init_params func_init = {0};
2528 struct bnx2x_rss_params rss = {0};
2529 struct event_ring_data eq_data = { {0} };
2530 u16 flags;
2531
2532 /* pf specific setups */
2533 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002534 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002536 if (CHIP_IS_E2(bp)) {
2537 /* reset IGU PF statistics: MSIX + ATTN */
2538 /* PF */
2539 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2540 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2541 (CHIP_MODE_IS_4_PORT(bp) ?
2542 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2543 /* ATTN */
2544 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2545 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2546 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2547 (CHIP_MODE_IS_4_PORT(bp) ?
2548 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2549 }
2550
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002551 /* function setup flags */
2552 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2553
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002554 if (CHIP_IS_E1x(bp))
2555 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2556 else
2557 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002558
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002559 /* function setup */
2560
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002561 /**
2562 * Although RSS is meaningless when there is a single HW queue we
2563 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002564 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002565 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2566 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2567 rss.mode = bp->multi_mode;
2568 rss.result_mask = MULTI_MASK;
2569 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002570
2571 func_init.func_flgs = flags;
2572 func_init.pf_id = BP_FUNC(bp);
2573 func_init.func_id = BP_FUNC(bp);
2574 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2575 func_init.spq_map = bp->spq_mapping;
2576 func_init.spq_prod = bp->spq_prod_idx;
2577
2578 bnx2x_func_init(bp, &func_init);
2579
2580 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2581
2582 /*
2583 Congestion management values depend on the link rate
2584 There is no active link so initial link rate is set to 10 Gbps.
2585 When the link comes up The congestion management values are
2586 re-calculated according to the actual link rate.
2587 */
2588 bp->link_vars.line_speed = SPEED_10000;
2589 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2590
2591 /* Only the PMF sets the HW */
2592 if (bp->port.pmf)
2593 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2594
2595 /* no rx until link is up */
2596 bp->rx_mode = BNX2X_RX_MODE_NONE;
2597 bnx2x_set_storm_rx_mode(bp);
2598
2599 /* init Event Queue */
2600 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2601 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2602 eq_data.producer = bp->eq_prod;
2603 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2604 eq_data.sb_id = DEF_SB_ID;
2605 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2606}
2607
2608
Eilon Greenstein2691d512009-08-12 08:22:08 +00002609static void bnx2x_e1h_disable(struct bnx2x *bp)
2610{
2611 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612
2613 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002614
2615 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2616
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617 netif_carrier_off(bp->dev);
2618}
2619
2620static void bnx2x_e1h_enable(struct bnx2x *bp)
2621{
2622 int port = BP_PORT(bp);
2623
2624 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2625
Eilon Greenstein2691d512009-08-12 08:22:08 +00002626 /* Tx queue should be only reenabled */
2627 netif_tx_wake_all_queues(bp->dev);
2628
Eilon Greenstein061bc702009-10-15 00:18:47 -07002629 /*
2630 * Should not call netif_carrier_on since it will be called if the link
2631 * is up when checking for link state
2632 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002633}
2634
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002635/* called due to MCP event (on pmf):
2636 * reread new bandwidth configuration
2637 * configure FW
2638 * notify others function about the change
2639 */
2640static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2641{
2642 if (bp->link_vars.link_up) {
2643 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2644 bnx2x_link_sync_notify(bp);
2645 }
2646 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2647}
2648
2649static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2650{
2651 bnx2x_config_mf_bw(bp);
2652 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2653}
2654
Eilon Greenstein2691d512009-08-12 08:22:08 +00002655static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2656{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002657 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002658
2659 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2660
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002661 /*
2662 * This is the only place besides the function initialization
2663 * where the bp->flags can change so it is done without any
2664 * locks
2665 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002666 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002667 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002668 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002669
2670 bnx2x_e1h_disable(bp);
2671 } else {
2672 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002673 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002674
2675 bnx2x_e1h_enable(bp);
2676 }
2677 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2678 }
2679 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002680 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002681 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2682 }
2683
2684 /* Report results to MCP */
2685 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002686 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002688 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002689}
2690
Michael Chan28912902009-10-10 13:46:53 +00002691/* must be called under the spq lock */
2692static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2693{
2694 struct eth_spe *next_spe = bp->spq_prod_bd;
2695
2696 if (bp->spq_prod_bd == bp->spq_last_bd) {
2697 bp->spq_prod_bd = bp->spq;
2698 bp->spq_prod_idx = 0;
2699 DP(NETIF_MSG_TIMER, "end of spq\n");
2700 } else {
2701 bp->spq_prod_bd++;
2702 bp->spq_prod_idx++;
2703 }
2704 return next_spe;
2705}
2706
2707/* must be called under the spq lock */
2708static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2709{
2710 int func = BP_FUNC(bp);
2711
2712 /* Make sure that BD data is updated before writing the producer */
2713 wmb();
2714
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002715 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002716 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002717 mmiowb();
2718}
2719
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002720/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002721int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002722 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002723{
Michael Chan28912902009-10-10 13:46:53 +00002724 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002725 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002726
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002727#ifdef BNX2X_STOP_ON_ERROR
2728 if (unlikely(bp->panic))
2729 return -EIO;
2730#endif
2731
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002732 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002733
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002734 if (!atomic_read(&bp->spq_left)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002735 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002736 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002737 bnx2x_panic();
2738 return -EBUSY;
2739 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002740
Michael Chan28912902009-10-10 13:46:53 +00002741 spe = bnx2x_sp_get_next(bp);
2742
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002743 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002744 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002745 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2746 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002747
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002748 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002749 /* Common ramrods:
2750 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2751 * TRAFFIC_STOP, TRAFFIC_START
2752 */
2753 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2754 & SPE_HDR_CONN_TYPE;
2755 else
2756 /* ETH ramrods: SETUP, HALT */
2757 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2758 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002759
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002760 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2761 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002762
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002763 spe->hdr.type = cpu_to_le16(type);
2764
2765 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2766 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2767
2768 /* stats ramrod has it's own slot on the spq */
2769 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
2770 /* It's ok if the actual decrement is issued towards the memory
2771 * somewhere between the spin_lock and spin_unlock. Thus no
2772 * more explict memory barrier is needed.
2773 */
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002774 atomic_dec(&bp->spq_left);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002775
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002776 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002777 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2778 "type(0x%x) left %x\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002779 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2780 (u32)(U64_LO(bp->spq_mapping) +
2781 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002782 HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002783
Michael Chan28912902009-10-10 13:46:53 +00002784 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002785 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002786 return 0;
2787}
2788
2789/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002790static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002791{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002792 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002793 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002794
2795 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002796 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002797 val = (1UL << 31);
2798 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2799 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2800 if (val & (1L << 31))
2801 break;
2802
2803 msleep(5);
2804 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002805 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002806 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002807 rc = -EBUSY;
2808 }
2809
2810 return rc;
2811}
2812
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002813/* release split MCP access lock register */
2814static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002815{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002816 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002817}
2818
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002819#define BNX2X_DEF_SB_ATT_IDX 0x0001
2820#define BNX2X_DEF_SB_IDX 0x0002
2821
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002822static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2823{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002824 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002825 u16 rc = 0;
2826
2827 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2829 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002830 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002832
2833 if (bp->def_idx != def_sb->sp_sb.running_index) {
2834 bp->def_idx = def_sb->sp_sb.running_index;
2835 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002836 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002837
2838 /* Do not reorder: indecies reading should complete before handling */
2839 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840 return rc;
2841}
2842
2843/*
2844 * slow path service functions
2845 */
2846
2847static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2848{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002849 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002850 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2851 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002852 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2853 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002854 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002855 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002856 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002857
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002858 if (bp->attn_state & asserted)
2859 BNX2X_ERR("IGU ERROR\n");
2860
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002861 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2862 aeu_mask = REG_RD(bp, aeu_addr);
2863
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002864 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002865 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002866 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002867 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002868
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002869 REG_WR(bp, aeu_addr, aeu_mask);
2870 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002871
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002872 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002873 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002874 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002875
2876 if (asserted & ATTN_HARD_WIRED_MASK) {
2877 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002878
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002879 bnx2x_acquire_phy_lock(bp);
2880
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002881 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002882 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002883 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002884
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002885 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002886
2887 /* handle unicore attn? */
2888 }
2889 if (asserted & ATTN_SW_TIMER_4_FUNC)
2890 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2891
2892 if (asserted & GPIO_2_FUNC)
2893 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2894
2895 if (asserted & GPIO_3_FUNC)
2896 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2897
2898 if (asserted & GPIO_4_FUNC)
2899 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2900
2901 if (port == 0) {
2902 if (asserted & ATTN_GENERAL_ATTN_1) {
2903 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2904 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2905 }
2906 if (asserted & ATTN_GENERAL_ATTN_2) {
2907 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2908 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2909 }
2910 if (asserted & ATTN_GENERAL_ATTN_3) {
2911 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2912 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2913 }
2914 } else {
2915 if (asserted & ATTN_GENERAL_ATTN_4) {
2916 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2917 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2918 }
2919 if (asserted & ATTN_GENERAL_ATTN_5) {
2920 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2921 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2922 }
2923 if (asserted & ATTN_GENERAL_ATTN_6) {
2924 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2925 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2926 }
2927 }
2928
2929 } /* if hardwired */
2930
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002931 if (bp->common.int_block == INT_BLOCK_HC)
2932 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2933 COMMAND_REG_ATTN_BITS_SET);
2934 else
2935 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2936
2937 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2938 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2939 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002940
2941 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002942 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002943 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002944 bnx2x_release_phy_lock(bp);
2945 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002946}
2947
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002948static inline void bnx2x_fan_failure(struct bnx2x *bp)
2949{
2950 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002951 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002952 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002953 ext_phy_config =
2954 SHMEM_RD(bp,
2955 dev_info.port_hw_config[port].external_phy_config);
2956
2957 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2958 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002959 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002960 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002961
2962 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002963 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2964 " the driver to shutdown the card to prevent permanent"
2965 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002966}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002967
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002968static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2969{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002970 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002971 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002972 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002973
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002974 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2975 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002976
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002977 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002978
2979 val = REG_RD(bp, reg_offset);
2980 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2981 REG_WR(bp, reg_offset, val);
2982
2983 BNX2X_ERR("SPIO5 hw attention\n");
2984
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002985 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002986 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002987 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002988 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002989
Eilon Greenstein589abe32009-02-12 08:36:55 +00002990 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2991 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2992 bnx2x_acquire_phy_lock(bp);
2993 bnx2x_handle_module_detect_int(&bp->link_params);
2994 bnx2x_release_phy_lock(bp);
2995 }
2996
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002997 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2998
2999 val = REG_RD(bp, reg_offset);
3000 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3001 REG_WR(bp, reg_offset, val);
3002
3003 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003004 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003005 bnx2x_panic();
3006 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003007}
3008
3009static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3010{
3011 u32 val;
3012
Eilon Greenstein0626b892009-02-12 08:38:14 +00003013 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003014
3015 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3016 BNX2X_ERR("DB hw attention 0x%x\n", val);
3017 /* DORQ discard attention */
3018 if (val & 0x2)
3019 BNX2X_ERR("FATAL error from DORQ\n");
3020 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003021
3022 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3023
3024 int port = BP_PORT(bp);
3025 int reg_offset;
3026
3027 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3028 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3029
3030 val = REG_RD(bp, reg_offset);
3031 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3032 REG_WR(bp, reg_offset, val);
3033
3034 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003035 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003036 bnx2x_panic();
3037 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003038}
3039
3040static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3041{
3042 u32 val;
3043
3044 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3045
3046 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3047 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3048 /* CFC error attention */
3049 if (val & 0x2)
3050 BNX2X_ERR("FATAL error from CFC\n");
3051 }
3052
3053 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3054
3055 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3056 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3057 /* RQ_USDMDP_FIFO_OVERFLOW */
3058 if (val & 0x18000)
3059 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003060 if (CHIP_IS_E2(bp)) {
3061 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3062 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3063 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003064 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003065
3066 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3067
3068 int port = BP_PORT(bp);
3069 int reg_offset;
3070
3071 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3072 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3073
3074 val = REG_RD(bp, reg_offset);
3075 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3076 REG_WR(bp, reg_offset, val);
3077
3078 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003079 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003080 bnx2x_panic();
3081 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003082}
3083
3084static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3085{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003086 u32 val;
3087
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003088 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3089
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003090 if (attn & BNX2X_PMF_LINK_ASSERT) {
3091 int func = BP_FUNC(bp);
3092
3093 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003094 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3095 func_mf_config[BP_ABS_FUNC(bp)].config);
3096 val = SHMEM_RD(bp,
3097 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003098 if (val & DRV_STATUS_DCC_EVENT_MASK)
3099 bnx2x_dcc_event(bp,
3100 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003101
3102 if (val & DRV_STATUS_SET_MF_BW)
3103 bnx2x_set_mf_bw(bp);
3104
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003105 bnx2x__link_status_update(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003106 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003107 bnx2x_pmf_update(bp);
3108
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003109 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003110 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3111 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003112 /* start dcbx state machine */
3113 bnx2x_dcbx_set_params(bp,
3114 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003115 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003116
3117 BNX2X_ERR("MC assert!\n");
3118 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3119 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3120 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3121 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3122 bnx2x_panic();
3123
3124 } else if (attn & BNX2X_MCP_ASSERT) {
3125
3126 BNX2X_ERR("MCP assert!\n");
3127 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003128 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003129
3130 } else
3131 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3132 }
3133
3134 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003135 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3136 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003137 val = CHIP_IS_E1(bp) ? 0 :
3138 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003139 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3140 }
3141 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003142 val = CHIP_IS_E1(bp) ? 0 :
3143 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003144 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3145 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003146 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003147 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003148}
3149
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003150#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3151#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3152#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3153#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3154#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003155
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003156/*
3157 * should be run under rtnl lock
3158 */
3159static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3160{
3161 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3162 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3163 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3164 barrier();
3165 mmiowb();
3166}
3167
3168/*
3169 * should be run under rtnl lock
3170 */
3171static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3172{
3173 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3174 val |= (1 << 16);
3175 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3176 barrier();
3177 mmiowb();
3178}
3179
3180/*
3181 * should be run under rtnl lock
3182 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003183bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003184{
3185 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3186 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3187 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3188}
3189
3190/*
3191 * should be run under rtnl lock
3192 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003193inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003194{
3195 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3196
3197 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3198
3199 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3200 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3201 barrier();
3202 mmiowb();
3203}
3204
3205/*
3206 * should be run under rtnl lock
3207 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003208u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003209{
3210 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3211
3212 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3213
3214 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3215 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3216 barrier();
3217 mmiowb();
3218
3219 return val1;
3220}
3221
3222/*
3223 * should be run under rtnl lock
3224 */
3225static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3226{
3227 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3228}
3229
3230static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3231{
3232 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3233 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3234}
3235
3236static inline void _print_next_block(int idx, const char *blk)
3237{
3238 if (idx)
3239 pr_cont(", ");
3240 pr_cont("%s", blk);
3241}
3242
3243static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3244{
3245 int i = 0;
3246 u32 cur_bit = 0;
3247 for (i = 0; sig; i++) {
3248 cur_bit = ((u32)0x1 << i);
3249 if (sig & cur_bit) {
3250 switch (cur_bit) {
3251 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3252 _print_next_block(par_num++, "BRB");
3253 break;
3254 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3255 _print_next_block(par_num++, "PARSER");
3256 break;
3257 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3258 _print_next_block(par_num++, "TSDM");
3259 break;
3260 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3261 _print_next_block(par_num++, "SEARCHER");
3262 break;
3263 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3264 _print_next_block(par_num++, "TSEMI");
3265 break;
3266 }
3267
3268 /* Clear the bit */
3269 sig &= ~cur_bit;
3270 }
3271 }
3272
3273 return par_num;
3274}
3275
3276static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3277{
3278 int i = 0;
3279 u32 cur_bit = 0;
3280 for (i = 0; sig; i++) {
3281 cur_bit = ((u32)0x1 << i);
3282 if (sig & cur_bit) {
3283 switch (cur_bit) {
3284 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3285 _print_next_block(par_num++, "PBCLIENT");
3286 break;
3287 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3288 _print_next_block(par_num++, "QM");
3289 break;
3290 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3291 _print_next_block(par_num++, "XSDM");
3292 break;
3293 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3294 _print_next_block(par_num++, "XSEMI");
3295 break;
3296 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3297 _print_next_block(par_num++, "DOORBELLQ");
3298 break;
3299 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3300 _print_next_block(par_num++, "VAUX PCI CORE");
3301 break;
3302 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3303 _print_next_block(par_num++, "DEBUG");
3304 break;
3305 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3306 _print_next_block(par_num++, "USDM");
3307 break;
3308 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3309 _print_next_block(par_num++, "USEMI");
3310 break;
3311 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3312 _print_next_block(par_num++, "UPB");
3313 break;
3314 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3315 _print_next_block(par_num++, "CSDM");
3316 break;
3317 }
3318
3319 /* Clear the bit */
3320 sig &= ~cur_bit;
3321 }
3322 }
3323
3324 return par_num;
3325}
3326
3327static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3328{
3329 int i = 0;
3330 u32 cur_bit = 0;
3331 for (i = 0; sig; i++) {
3332 cur_bit = ((u32)0x1 << i);
3333 if (sig & cur_bit) {
3334 switch (cur_bit) {
3335 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3336 _print_next_block(par_num++, "CSEMI");
3337 break;
3338 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3339 _print_next_block(par_num++, "PXP");
3340 break;
3341 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3342 _print_next_block(par_num++,
3343 "PXPPCICLOCKCLIENT");
3344 break;
3345 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3346 _print_next_block(par_num++, "CFC");
3347 break;
3348 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3349 _print_next_block(par_num++, "CDU");
3350 break;
3351 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3352 _print_next_block(par_num++, "IGU");
3353 break;
3354 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3355 _print_next_block(par_num++, "MISC");
3356 break;
3357 }
3358
3359 /* Clear the bit */
3360 sig &= ~cur_bit;
3361 }
3362 }
3363
3364 return par_num;
3365}
3366
3367static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3368{
3369 int i = 0;
3370 u32 cur_bit = 0;
3371 for (i = 0; sig; i++) {
3372 cur_bit = ((u32)0x1 << i);
3373 if (sig & cur_bit) {
3374 switch (cur_bit) {
3375 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3376 _print_next_block(par_num++, "MCP ROM");
3377 break;
3378 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3379 _print_next_block(par_num++, "MCP UMP RX");
3380 break;
3381 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3382 _print_next_block(par_num++, "MCP UMP TX");
3383 break;
3384 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3385 _print_next_block(par_num++, "MCP SCPAD");
3386 break;
3387 }
3388
3389 /* Clear the bit */
3390 sig &= ~cur_bit;
3391 }
3392 }
3393
3394 return par_num;
3395}
3396
3397static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3398 u32 sig2, u32 sig3)
3399{
3400 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3401 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3402 int par_num = 0;
3403 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3404 "[0]:0x%08x [1]:0x%08x "
3405 "[2]:0x%08x [3]:0x%08x\n",
3406 sig0 & HW_PRTY_ASSERT_SET_0,
3407 sig1 & HW_PRTY_ASSERT_SET_1,
3408 sig2 & HW_PRTY_ASSERT_SET_2,
3409 sig3 & HW_PRTY_ASSERT_SET_3);
3410 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3411 bp->dev->name);
3412 par_num = bnx2x_print_blocks_with_parity0(
3413 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3414 par_num = bnx2x_print_blocks_with_parity1(
3415 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3416 par_num = bnx2x_print_blocks_with_parity2(
3417 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3418 par_num = bnx2x_print_blocks_with_parity3(
3419 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3420 printk("\n");
3421 return true;
3422 } else
3423 return false;
3424}
3425
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003426bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003427{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003428 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003429 int port = BP_PORT(bp);
3430
3431 attn.sig[0] = REG_RD(bp,
3432 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3433 port*4);
3434 attn.sig[1] = REG_RD(bp,
3435 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3436 port*4);
3437 attn.sig[2] = REG_RD(bp,
3438 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3439 port*4);
3440 attn.sig[3] = REG_RD(bp,
3441 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3442 port*4);
3443
3444 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3445 attn.sig[3]);
3446}
3447
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003448
3449static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3450{
3451 u32 val;
3452 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3453
3454 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3455 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3456 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3457 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3458 "ADDRESS_ERROR\n");
3459 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3460 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3461 "INCORRECT_RCV_BEHAVIOR\n");
3462 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3463 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3464 "WAS_ERROR_ATTN\n");
3465 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3466 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3467 "VF_LENGTH_VIOLATION_ATTN\n");
3468 if (val &
3469 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3470 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3471 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3472 if (val &
3473 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3474 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3475 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3476 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3477 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3478 "TCPL_ERROR_ATTN\n");
3479 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3480 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3481 "TCPL_IN_TWO_RCBS_ATTN\n");
3482 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3483 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3484 "CSSNOOP_FIFO_OVERFLOW\n");
3485 }
3486 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3487 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3488 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3489 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3490 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3491 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3492 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3493 "_ATC_TCPL_TO_NOT_PEND\n");
3494 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3495 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3496 "ATC_GPA_MULTIPLE_HITS\n");
3497 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3498 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3499 "ATC_RCPL_TO_EMPTY_CNT\n");
3500 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3501 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3502 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3503 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3504 "ATC_IREQ_LESS_THAN_STU\n");
3505 }
3506
3507 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3508 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3509 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3510 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3511 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3512 }
3513
3514}
3515
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003516static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3517{
3518 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003519 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003520 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003521 u32 reg_addr;
3522 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003523 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003524
3525 /* need to take HW lock because MCP or other port might also
3526 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003527 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003528
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003529 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003530 bp->recovery_state = BNX2X_RECOVERY_INIT;
3531 bnx2x_set_reset_in_progress(bp);
3532 schedule_delayed_work(&bp->reset_task, 0);
3533 /* Disable HW interrupts */
3534 bnx2x_int_disable(bp);
3535 bnx2x_release_alr(bp);
3536 /* In case of parity errors don't handle attentions so that
3537 * other function would "see" parity errors.
3538 */
3539 return;
3540 }
3541
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3543 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3544 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3545 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003546 if (CHIP_IS_E2(bp))
3547 attn.sig[4] =
3548 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3549 else
3550 attn.sig[4] = 0;
3551
3552 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3553 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003554
3555 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3556 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003557 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003558
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003559 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3560 "%08x %08x %08x\n",
3561 index,
3562 group_mask->sig[0], group_mask->sig[1],
3563 group_mask->sig[2], group_mask->sig[3],
3564 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003565
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003566 bnx2x_attn_int_deasserted4(bp,
3567 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003568 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003569 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003570 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003571 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003572 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003573 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003574 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003575 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003576 }
3577 }
3578
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003579 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003580
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003581 if (bp->common.int_block == INT_BLOCK_HC)
3582 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3583 COMMAND_REG_ATTN_BITS_CLR);
3584 else
3585 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003586
3587 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003588 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3589 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003590 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003591
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003592 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003593 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003594
3595 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3596 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3597
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003598 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3599 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003600
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003601 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3602 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003603 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003604 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3605
3606 REG_WR(bp, reg_addr, aeu_mask);
3607 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003608
3609 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3610 bp->attn_state &= ~deasserted;
3611 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3612}
3613
3614static void bnx2x_attn_int(struct bnx2x *bp)
3615{
3616 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003617 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3618 attn_bits);
3619 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3620 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003621 u32 attn_state = bp->attn_state;
3622
3623 /* look for changed bits */
3624 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3625 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3626
3627 DP(NETIF_MSG_HW,
3628 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3629 attn_bits, attn_ack, asserted, deasserted);
3630
3631 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003632 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003633
3634 /* handle bits that were raised */
3635 if (asserted)
3636 bnx2x_attn_int_asserted(bp, asserted);
3637
3638 if (deasserted)
3639 bnx2x_attn_int_deasserted(bp, deasserted);
3640}
3641
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003642static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3643{
3644 /* No memory barriers */
3645 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3646 mmiowb(); /* keep prod updates ordered */
3647}
3648
3649#ifdef BCM_CNIC
3650static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3651 union event_ring_elem *elem)
3652{
3653 if (!bp->cnic_eth_dev.starting_cid ||
3654 cid < bp->cnic_eth_dev.starting_cid)
3655 return 1;
3656
3657 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3658
3659 if (unlikely(elem->message.data.cfc_del_event.error)) {
3660 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3661 cid);
3662 bnx2x_panic_dump(bp);
3663 }
3664 bnx2x_cnic_cfc_comp(bp, cid);
3665 return 0;
3666}
3667#endif
3668
3669static void bnx2x_eq_int(struct bnx2x *bp)
3670{
3671 u16 hw_cons, sw_cons, sw_prod;
3672 union event_ring_elem *elem;
3673 u32 cid;
3674 u8 opcode;
3675 int spqe_cnt = 0;
3676
3677 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3678
3679 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3680 * when we get the the next-page we nned to adjust so the loop
3681 * condition below will be met. The next element is the size of a
3682 * regular element and hence incrementing by 1
3683 */
3684 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3685 hw_cons++;
3686
3687 /* This function may never run in parralel with itself for a
3688 * specific bp, thus there is no need in "paired" read memory
3689 * barrier here.
3690 */
3691 sw_cons = bp->eq_cons;
3692 sw_prod = bp->eq_prod;
3693
3694 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->spq_left %u\n",
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003695 hw_cons, sw_cons, atomic_read(&bp->spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003696
3697 for (; sw_cons != hw_cons;
3698 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3699
3700
3701 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3702
3703 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3704 opcode = elem->message.opcode;
3705
3706
3707 /* handle eq element */
3708 switch (opcode) {
3709 case EVENT_RING_OPCODE_STAT_QUERY:
3710 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3711 /* nothing to do with stats comp */
3712 continue;
3713
3714 case EVENT_RING_OPCODE_CFC_DEL:
3715 /* handle according to cid range */
3716 /*
3717 * we may want to verify here that the bp state is
3718 * HALTING
3719 */
3720 DP(NETIF_MSG_IFDOWN,
3721 "got delete ramrod for MULTI[%d]\n", cid);
3722#ifdef BCM_CNIC
3723 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3724 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003725 if (cid == BNX2X_FCOE_ETH_CID)
3726 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3727 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003728#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003729 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003730 BNX2X_FP_STATE_CLOSED;
3731
3732 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003733
3734 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3735 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3736 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3737 goto next_spqe;
3738 case EVENT_RING_OPCODE_START_TRAFFIC:
3739 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3740 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3741 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003742 }
3743
3744 switch (opcode | bp->state) {
3745 case (EVENT_RING_OPCODE_FUNCTION_START |
3746 BNX2X_STATE_OPENING_WAIT4_PORT):
3747 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3748 bp->state = BNX2X_STATE_FUNC_STARTED;
3749 break;
3750
3751 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3752 BNX2X_STATE_CLOSING_WAIT4_HALT):
3753 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3754 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3755 break;
3756
3757 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3758 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3759 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3760 bp->set_mac_pending = 0;
3761 break;
3762
3763 case (EVENT_RING_OPCODE_SET_MAC |
3764 BNX2X_STATE_CLOSING_WAIT4_HALT):
3765 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3766 bp->set_mac_pending = 0;
3767 break;
3768 default:
3769 /* unknown event log error and continue */
3770 BNX2X_ERR("Unknown EQ event %d\n",
3771 elem->message.opcode);
3772 }
3773next_spqe:
3774 spqe_cnt++;
3775 } /* for */
3776
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003777 smp_mb__before_atomic_inc();
3778 atomic_add(spqe_cnt, &bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003779
3780 bp->eq_cons = sw_cons;
3781 bp->eq_prod = sw_prod;
3782 /* Make sure that above mem writes were issued towards the memory */
3783 smp_wmb();
3784
3785 /* update producer */
3786 bnx2x_update_eq_prod(bp, bp->eq_prod);
3787}
3788
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003789static void bnx2x_sp_task(struct work_struct *work)
3790{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003791 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003792 u16 status;
3793
3794 /* Return here if interrupt is disabled */
3795 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003796 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003797 return;
3798 }
3799
3800 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003801/* if (status == 0) */
3802/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003803
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003804 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003805
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003806 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003807 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003808 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003809 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003810 }
3811
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003812 /* SP events: STAT_QUERY and others */
3813 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003814#ifdef BCM_CNIC
3815 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003816
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003817 if ((!NO_FCOE(bp)) &&
3818 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3819 napi_schedule(&bnx2x_fcoe(bp, napi));
3820#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003821 /* Handle EQ completions */
3822 bnx2x_eq_int(bp);
3823
3824 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3825 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3826
3827 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003828 }
3829
3830 if (unlikely(status))
3831 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3832 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003833
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003834 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3835 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003836}
3837
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003838irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003839{
3840 struct net_device *dev = dev_instance;
3841 struct bnx2x *bp = netdev_priv(dev);
3842
3843 /* Return here if interrupt is disabled */
3844 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003845 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003846 return IRQ_HANDLED;
3847 }
3848
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003849 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3850 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003851
3852#ifdef BNX2X_STOP_ON_ERROR
3853 if (unlikely(bp->panic))
3854 return IRQ_HANDLED;
3855#endif
3856
Michael Chan993ac7b2009-10-10 13:46:56 +00003857#ifdef BCM_CNIC
3858 {
3859 struct cnic_ops *c_ops;
3860
3861 rcu_read_lock();
3862 c_ops = rcu_dereference(bp->cnic_ops);
3863 if (c_ops)
3864 c_ops->cnic_handler(bp->cnic_data, NULL);
3865 rcu_read_unlock();
3866 }
3867#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003868 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003869
3870 return IRQ_HANDLED;
3871}
3872
3873/* end of slow path */
3874
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003875static void bnx2x_timer(unsigned long data)
3876{
3877 struct bnx2x *bp = (struct bnx2x *) data;
3878
3879 if (!netif_running(bp->dev))
3880 return;
3881
3882 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003883 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003884
3885 if (poll) {
3886 struct bnx2x_fastpath *fp = &bp->fp[0];
3887 int rc;
3888
Eilon Greenstein7961f792009-03-02 07:59:31 +00003889 bnx2x_tx_int(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003890 rc = bnx2x_rx_int(fp, 1000);
3891 }
3892
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003893 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003894 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003895 u32 drv_pulse;
3896 u32 mcp_pulse;
3897
3898 ++bp->fw_drv_pulse_wr_seq;
3899 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3900 /* TBD - add SYSTEM_TIME */
3901 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003902 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003903
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003904 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003905 MCP_PULSE_SEQ_MASK);
3906 /* The delta between driver pulse and mcp response
3907 * should be 1 (before mcp response) or 0 (after mcp response)
3908 */
3909 if ((drv_pulse != mcp_pulse) &&
3910 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3911 /* someone lost a heartbeat... */
3912 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3913 drv_pulse, mcp_pulse);
3914 }
3915 }
3916
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003917 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003918 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003919
Eliezer Tamirf1410642008-02-28 11:51:50 -08003920timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003921 mod_timer(&bp->timer, jiffies + bp->current_interval);
3922}
3923
3924/* end of Statistics */
3925
3926/* nic init */
3927
3928/*
3929 * nic init service functions
3930 */
3931
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003932static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003933{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003934 u32 i;
3935 if (!(len%4) && !(addr%4))
3936 for (i = 0; i < len; i += 4)
3937 REG_WR(bp, addr + i, fill);
3938 else
3939 for (i = 0; i < len; i++)
3940 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003941
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003942}
3943
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003944/* helper: writes FP SP data to FW - data_size in dwords */
3945static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3946 int fw_sb_id,
3947 u32 *sb_data_p,
3948 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003949{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003950 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003951 for (index = 0; index < data_size; index++)
3952 REG_WR(bp, BAR_CSTRORM_INTMEM +
3953 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3954 sizeof(u32)*index,
3955 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003956}
3957
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003958static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3959{
3960 u32 *sb_data_p;
3961 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003962 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003963 struct hc_status_block_data_e1x sb_data_e1x;
3964
3965 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003966 if (CHIP_IS_E2(bp)) {
3967 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3968 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3969 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3970 sb_data_e2.common.p_func.vf_valid = false;
3971 sb_data_p = (u32 *)&sb_data_e2;
3972 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3973 } else {
3974 memset(&sb_data_e1x, 0,
3975 sizeof(struct hc_status_block_data_e1x));
3976 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3977 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3978 sb_data_e1x.common.p_func.vf_valid = false;
3979 sb_data_p = (u32 *)&sb_data_e1x;
3980 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3981 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003982 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3983
3984 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3985 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3986 CSTORM_STATUS_BLOCK_SIZE);
3987 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3988 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3989 CSTORM_SYNC_BLOCK_SIZE);
3990}
3991
3992/* helper: writes SP SB data to FW */
3993static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3994 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003995{
3996 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003997 int i;
3998 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3999 REG_WR(bp, BAR_CSTRORM_INTMEM +
4000 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4001 i*sizeof(u32),
4002 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004003}
4004
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004005static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4006{
4007 int func = BP_FUNC(bp);
4008 struct hc_sp_status_block_data sp_sb_data;
4009 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4010
4011 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4012 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4013 sp_sb_data.p_func.vf_valid = false;
4014
4015 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4016
4017 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4018 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4019 CSTORM_SP_STATUS_BLOCK_SIZE);
4020 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4021 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4022 CSTORM_SP_SYNC_BLOCK_SIZE);
4023
4024}
4025
4026
4027static inline
4028void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4029 int igu_sb_id, int igu_seg_id)
4030{
4031 hc_sm->igu_sb_id = igu_sb_id;
4032 hc_sm->igu_seg_id = igu_seg_id;
4033 hc_sm->timer_value = 0xFF;
4034 hc_sm->time_to_expire = 0xFFFFFFFF;
4035}
4036
stephen hemminger8d962862010-10-21 07:50:56 +00004037static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004038 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4039{
4040 int igu_seg_id;
4041
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004042 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004043 struct hc_status_block_data_e1x sb_data_e1x;
4044 struct hc_status_block_sm *hc_sm_p;
4045 struct hc_index_data *hc_index_p;
4046 int data_size;
4047 u32 *sb_data_p;
4048
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004049 if (CHIP_INT_MODE_IS_BC(bp))
4050 igu_seg_id = HC_SEG_ACCESS_NORM;
4051 else
4052 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004053
4054 bnx2x_zero_fp_sb(bp, fw_sb_id);
4055
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004056 if (CHIP_IS_E2(bp)) {
4057 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4058 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4059 sb_data_e2.common.p_func.vf_id = vfid;
4060 sb_data_e2.common.p_func.vf_valid = vf_valid;
4061 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4062 sb_data_e2.common.same_igu_sb_1b = true;
4063 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4064 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4065 hc_sm_p = sb_data_e2.common.state_machine;
4066 hc_index_p = sb_data_e2.index_data;
4067 sb_data_p = (u32 *)&sb_data_e2;
4068 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4069 } else {
4070 memset(&sb_data_e1x, 0,
4071 sizeof(struct hc_status_block_data_e1x));
4072 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4073 sb_data_e1x.common.p_func.vf_id = 0xff;
4074 sb_data_e1x.common.p_func.vf_valid = false;
4075 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4076 sb_data_e1x.common.same_igu_sb_1b = true;
4077 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4078 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4079 hc_sm_p = sb_data_e1x.common.state_machine;
4080 hc_index_p = sb_data_e1x.index_data;
4081 sb_data_p = (u32 *)&sb_data_e1x;
4082 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4083 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004084
4085 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4086 igu_sb_id, igu_seg_id);
4087 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4088 igu_sb_id, igu_seg_id);
4089
4090 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4091
4092 /* write indecies to HW */
4093 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4094}
4095
4096static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4097 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004098{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004099 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004100 u8 ticks = usec / BNX2X_BTR;
4101
4102 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4103
4104 disable = disable ? 1 : (usec ? 0 : 1);
4105 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4106}
4107
4108static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4109 u16 tx_usec, u16 rx_usec)
4110{
4111 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4112 false, rx_usec);
4113 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4114 false, tx_usec);
4115}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004116
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004117static void bnx2x_init_def_sb(struct bnx2x *bp)
4118{
4119 struct host_sp_status_block *def_sb = bp->def_status_blk;
4120 dma_addr_t mapping = bp->def_status_blk_mapping;
4121 int igu_sp_sb_index;
4122 int igu_seg_id;
4123 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004124 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004125 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004126 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004127 int index;
4128 struct hc_sp_status_block_data sp_sb_data;
4129 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4130
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004131 if (CHIP_INT_MODE_IS_BC(bp)) {
4132 igu_sp_sb_index = DEF_SB_IGU_ID;
4133 igu_seg_id = HC_SEG_ACCESS_DEF;
4134 } else {
4135 igu_sp_sb_index = bp->igu_dsb_id;
4136 igu_seg_id = IGU_SEG_ACCESS_DEF;
4137 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004138
4139 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004140 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004141 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004142 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004143
Eliezer Tamir49d66772008-02-28 11:53:13 -08004144 bp->attn_state = 0;
4145
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004146 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4147 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004148 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004149 int sindex;
4150 /* take care of sig[0]..sig[4] */
4151 for (sindex = 0; sindex < 4; sindex++)
4152 bp->attn_group[index].sig[sindex] =
4153 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004154
4155 if (CHIP_IS_E2(bp))
4156 /*
4157 * enable5 is separate from the rest of the registers,
4158 * and therefore the address skip is 4
4159 * and not 16 between the different groups
4160 */
4161 bp->attn_group[index].sig[4] = REG_RD(bp,
4162 reg_offset + 0x10 + 0x4*index);
4163 else
4164 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004165 }
4166
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004167 if (bp->common.int_block == INT_BLOCK_HC) {
4168 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4169 HC_REG_ATTN_MSG0_ADDR_L);
4170
4171 REG_WR(bp, reg_offset, U64_LO(section));
4172 REG_WR(bp, reg_offset + 4, U64_HI(section));
4173 } else if (CHIP_IS_E2(bp)) {
4174 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4175 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4176 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004177
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004178 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4179 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004180
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004181 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004182
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004183 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4184 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4185 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4186 sp_sb_data.igu_seg_id = igu_seg_id;
4187 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004188 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004189 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004190
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004191 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004192
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004193 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004194 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004195
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004196 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004197}
4198
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004199void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004200{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004201 int i;
4202
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004203 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004204 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4205 bp->rx_ticks, bp->tx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004206}
4207
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208static void bnx2x_init_sp_ring(struct bnx2x *bp)
4209{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004210 spin_lock_init(&bp->spq_lock);
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004211 atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004213 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004214 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4215 bp->spq_prod_bd = bp->spq;
4216 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004217}
4218
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004219static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220{
4221 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004222 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4223 union event_ring_elem *elem =
4224 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004225
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004226 elem->next_page.addr.hi =
4227 cpu_to_le32(U64_HI(bp->eq_mapping +
4228 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4229 elem->next_page.addr.lo =
4230 cpu_to_le32(U64_LO(bp->eq_mapping +
4231 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004232 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004233 bp->eq_cons = 0;
4234 bp->eq_prod = NUM_EQ_DESC;
4235 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004236}
4237
4238static void bnx2x_init_ind_table(struct bnx2x *bp)
4239{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004240 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004241 int i;
4242
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004243 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004244 return;
4245
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004246 DP(NETIF_MSG_IFUP,
4247 "Initializing indirection table multi_mode %d\n", bp->multi_mode);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004248 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004249 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004250 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004251 bp->fp->cl_id + (i % (bp->num_queues -
4252 NONE_ETH_CONTEXT_USE)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004253}
4254
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004255void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004256{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004257 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004258 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004259 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004260 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004261
Eilon Greenstein581ce432009-07-29 00:20:04 +00004262 /* All but management unicast packets should pass to the host as well */
4263 u32 llh_mask =
4264 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4265 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4266 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4267 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004268
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004269 switch (mode) {
4270 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004271 def_q_filters = BNX2X_ACCEPT_NONE;
4272#ifdef BCM_CNIC
4273 if (!NO_FCOE(bp)) {
4274 cl_id = bnx2x_fcoe(bp, cl_id);
4275 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4276 }
4277#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004278 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004279
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004280 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004281 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4282 BNX2X_ACCEPT_MULTICAST;
4283#ifdef BCM_CNIC
4284 cl_id = bnx2x_fcoe(bp, cl_id);
4285 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4286 BNX2X_ACCEPT_MULTICAST);
4287#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004288 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004289
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004290 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004291 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4292 BNX2X_ACCEPT_ALL_MULTICAST;
4293#ifdef BCM_CNIC
4294 cl_id = bnx2x_fcoe(bp, cl_id);
4295 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4296 BNX2X_ACCEPT_MULTICAST);
4297#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004298 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004299
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004300 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004301 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4302#ifdef BCM_CNIC
4303 cl_id = bnx2x_fcoe(bp, cl_id);
4304 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4305 BNX2X_ACCEPT_MULTICAST);
4306#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004307 /* pass management unicast packets as well */
4308 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004309 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004310
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004311 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004312 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4313 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004314 }
4315
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004316 cl_id = BP_L_ID(bp);
4317 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4318
Eilon Greenstein581ce432009-07-29 00:20:04 +00004319 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004320 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4321 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004322
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004323 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4324 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004325 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4326 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004327 bp->mac_filters.ucast_drop_all,
4328 bp->mac_filters.mcast_drop_all,
4329 bp->mac_filters.bcast_drop_all,
4330 bp->mac_filters.ucast_accept_all,
4331 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004332 bp->mac_filters.bcast_accept_all,
4333 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004334 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004335
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004336 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337}
4338
Eilon Greenstein471de712008-08-13 15:49:35 -07004339static void bnx2x_init_internal_common(struct bnx2x *bp)
4340{
4341 int i;
4342
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004343 if (!CHIP_IS_E1(bp)) {
4344
4345 /* xstorm needs to know whether to add ovlan to packets or not,
4346 * in switch-independent we'll write 0 to here... */
4347 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004348 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004349 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004350 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004351 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004352 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004353 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004354 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004355 }
4356
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004357 if (IS_MF_SI(bp))
4358 /*
4359 * In switch independent mode, the TSTORM needs to accept
4360 * packets that failed classification, since approximate match
4361 * mac addresses aren't written to NIG LLH
4362 */
4363 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4364 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4365
Eilon Greenstein471de712008-08-13 15:49:35 -07004366 /* Zero this manually as its initialization is
4367 currently missing in the initTool */
4368 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4369 REG_WR(bp, BAR_USTRORM_INTMEM +
4370 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004371 if (CHIP_IS_E2(bp)) {
4372 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4373 CHIP_INT_MODE_IS_BC(bp) ?
4374 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4375 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004376}
4377
4378static void bnx2x_init_internal_port(struct bnx2x *bp)
4379{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004380 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004381 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004382}
4383
Eilon Greenstein471de712008-08-13 15:49:35 -07004384static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4385{
4386 switch (load_code) {
4387 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004388 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004389 bnx2x_init_internal_common(bp);
4390 /* no break */
4391
4392 case FW_MSG_CODE_DRV_LOAD_PORT:
4393 bnx2x_init_internal_port(bp);
4394 /* no break */
4395
4396 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004397 /* internal memory per function is
4398 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004399 break;
4400
4401 default:
4402 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4403 break;
4404 }
4405}
4406
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004407static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4408{
4409 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4410
4411 fp->state = BNX2X_FP_STATE_CLOSED;
4412
4413 fp->index = fp->cid = fp_idx;
4414 fp->cl_id = BP_L_ID(bp) + fp_idx;
4415 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4416 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4417 /* qZone id equals to FW (per path) client id */
4418 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004419 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4420 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004421 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004422 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4423 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004424 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4425 /* Setup SB indicies */
4426 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4427 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4428
4429 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4430 "cl_id %d fw_sb %d igu_sb %d\n",
4431 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4432 fp->igu_sb_id);
4433 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4434 fp->fw_sb_id, fp->igu_sb_id);
4435
4436 bnx2x_update_fpsb_idx(fp);
4437}
4438
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004439void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004440{
4441 int i;
4442
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004443 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004444 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004445#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004446 if (!NO_FCOE(bp))
4447 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004448
4449 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4450 BNX2X_VF_ID_INVALID, false,
4451 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4452
Michael Chan37b091b2009-10-10 13:46:55 +00004453#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004454
Eilon Greenstein16119782009-03-02 07:59:27 +00004455 /* ensure status block indices were read */
4456 rmb();
4457
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004458 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004459 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004460 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004461 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004462 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004463 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004464 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004465 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004466 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004467 bnx2x_stats_init(bp);
4468
4469 /* At this point, we are ready for interrupts */
4470 atomic_set(&bp->intr_sem, 0);
4471
4472 /* flush all before enabling interrupts */
4473 mb();
4474 mmiowb();
4475
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004476 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004477
4478 /* Check for SPIO5 */
4479 bnx2x_attn_int_deasserted0(bp,
4480 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4481 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004482}
4483
4484/* end of nic init */
4485
4486/*
4487 * gzip service functions
4488 */
4489
4490static int bnx2x_gunzip_init(struct bnx2x *bp)
4491{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004492 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4493 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004494 if (bp->gunzip_buf == NULL)
4495 goto gunzip_nomem1;
4496
4497 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4498 if (bp->strm == NULL)
4499 goto gunzip_nomem2;
4500
4501 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4502 GFP_KERNEL);
4503 if (bp->strm->workspace == NULL)
4504 goto gunzip_nomem3;
4505
4506 return 0;
4507
4508gunzip_nomem3:
4509 kfree(bp->strm);
4510 bp->strm = NULL;
4511
4512gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004513 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4514 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004515 bp->gunzip_buf = NULL;
4516
4517gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004518 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4519 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004520 return -ENOMEM;
4521}
4522
4523static void bnx2x_gunzip_end(struct bnx2x *bp)
4524{
4525 kfree(bp->strm->workspace);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004526 kfree(bp->strm);
4527 bp->strm = NULL;
4528
4529 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004530 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4531 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004532 bp->gunzip_buf = NULL;
4533 }
4534}
4535
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004536static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004537{
4538 int n, rc;
4539
4540 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004541 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4542 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004543 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004544 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004545
4546 n = 10;
4547
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004548#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004549
4550 if (zbuf[3] & FNAME)
4551 while ((zbuf[n++] != 0) && (n < len));
4552
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004553 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004554 bp->strm->avail_in = len - n;
4555 bp->strm->next_out = bp->gunzip_buf;
4556 bp->strm->avail_out = FW_BUF_SIZE;
4557
4558 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4559 if (rc != Z_OK)
4560 return rc;
4561
4562 rc = zlib_inflate(bp->strm, Z_FINISH);
4563 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004564 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4565 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004566
4567 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4568 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004569 netdev_err(bp->dev, "Firmware decompression error:"
4570 " gunzip_outlen (%d) not aligned\n",
4571 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004572 bp->gunzip_outlen >>= 2;
4573
4574 zlib_inflateEnd(bp->strm);
4575
4576 if (rc == Z_STREAM_END)
4577 return 0;
4578
4579 return rc;
4580}
4581
4582/* nic load/unload */
4583
4584/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004585 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 */
4587
4588/* send a NIG loopback debug packet */
4589static void bnx2x_lb_pckt(struct bnx2x *bp)
4590{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004591 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592
4593 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004594 wb_write[0] = 0x55555555;
4595 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004596 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004597 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598
4599 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600 wb_write[0] = 0x09000000;
4601 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004602 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004603 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004604}
4605
4606/* some of the internal memories
4607 * are not directly readable from the driver
4608 * to test them we send debug packets
4609 */
4610static int bnx2x_int_mem_test(struct bnx2x *bp)
4611{
4612 int factor;
4613 int count, i;
4614 u32 val = 0;
4615
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004616 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004617 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004618 else if (CHIP_REV_IS_EMUL(bp))
4619 factor = 200;
4620 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004621 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004622
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623 /* Disable inputs of parser neighbor blocks */
4624 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4625 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4626 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004627 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004628
4629 /* Write 0 to parser credits for CFC search request */
4630 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4631
4632 /* send Ethernet packet */
4633 bnx2x_lb_pckt(bp);
4634
4635 /* TODO do i reset NIG statistic? */
4636 /* Wait until NIG register shows 1 packet of size 0x10 */
4637 count = 1000 * factor;
4638 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004639
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004640 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4641 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004642 if (val == 0x10)
4643 break;
4644
4645 msleep(10);
4646 count--;
4647 }
4648 if (val != 0x10) {
4649 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4650 return -1;
4651 }
4652
4653 /* Wait until PRS register shows 1 packet */
4654 count = 1000 * factor;
4655 while (count) {
4656 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004657 if (val == 1)
4658 break;
4659
4660 msleep(10);
4661 count--;
4662 }
4663 if (val != 0x1) {
4664 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4665 return -2;
4666 }
4667
4668 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004669 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004670 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004671 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004672 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004673 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4674 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004675
4676 DP(NETIF_MSG_HW, "part2\n");
4677
4678 /* Disable inputs of parser neighbor blocks */
4679 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4680 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4681 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004682 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004683
4684 /* Write 0 to parser credits for CFC search request */
4685 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4686
4687 /* send 10 Ethernet packets */
4688 for (i = 0; i < 10; i++)
4689 bnx2x_lb_pckt(bp);
4690
4691 /* Wait until NIG register shows 10 + 1
4692 packets of size 11*0x10 = 0xb0 */
4693 count = 1000 * factor;
4694 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004695
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004696 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4697 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004698 if (val == 0xb0)
4699 break;
4700
4701 msleep(10);
4702 count--;
4703 }
4704 if (val != 0xb0) {
4705 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4706 return -3;
4707 }
4708
4709 /* Wait until PRS register shows 2 packets */
4710 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4711 if (val != 2)
4712 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4713
4714 /* Write 1 to parser credits for CFC search request */
4715 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4716
4717 /* Wait until PRS register shows 3 packets */
4718 msleep(10 * factor);
4719 /* Wait until NIG register shows 1 packet of size 0x10 */
4720 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4721 if (val != 3)
4722 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4723
4724 /* clear NIG EOP FIFO */
4725 for (i = 0; i < 11; i++)
4726 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4727 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4728 if (val != 1) {
4729 BNX2X_ERR("clear of NIG failed\n");
4730 return -4;
4731 }
4732
4733 /* Reset and init BRB, PRS, NIG */
4734 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4735 msleep(50);
4736 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4737 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004738 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4739 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004740#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004741 /* set NIC mode */
4742 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4743#endif
4744
4745 /* Enable inputs of parser neighbor blocks */
4746 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4747 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4748 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004749 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004750
4751 DP(NETIF_MSG_HW, "done\n");
4752
4753 return 0; /* OK */
4754}
4755
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004756static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004757{
4758 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004759 if (CHIP_IS_E2(bp))
4760 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4761 else
4762 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004763 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4764 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004765 /*
4766 * mask read length error interrupts in brb for parser
4767 * (parsing unit and 'checksum and crc' unit)
4768 * these errors are legal (PU reads fixed length and CAC can cause
4769 * read length error on truncated packets)
4770 */
4771 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004772 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4773 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4774 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4775 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4776 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004777/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4778/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004779 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4780 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4781 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004782/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4783/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004784 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4785 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4786 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4787 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004788/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4789/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004790
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004791 if (CHIP_REV_IS_FPGA(bp))
4792 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004793 else if (CHIP_IS_E2(bp))
4794 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4795 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4796 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4797 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4798 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4799 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004800 else
4801 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004802 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4803 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4804 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004805/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4806/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004807 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4808 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004809/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004810 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004811}
4812
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004813static void bnx2x_reset_common(struct bnx2x *bp)
4814{
4815 /* reset_common */
4816 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4817 0xd3ffff7f);
4818 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4819}
4820
Eilon Greenstein573f2032009-08-12 08:24:14 +00004821static void bnx2x_init_pxp(struct bnx2x *bp)
4822{
4823 u16 devctl;
4824 int r_order, w_order;
4825
4826 pci_read_config_word(bp->pdev,
4827 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4828 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4829 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4830 if (bp->mrrs == -1)
4831 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4832 else {
4833 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4834 r_order = bp->mrrs;
4835 }
4836
4837 bnx2x_init_pxp_arb(bp, r_order, w_order);
4838}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004839
4840static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4841{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004842 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004843 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004844 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004845
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004846 if (BP_NOMCP(bp))
4847 return;
4848
4849 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004850 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4851 SHARED_HW_CFG_FAN_FAILURE_MASK;
4852
4853 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4854 is_required = 1;
4855
4856 /*
4857 * The fan failure mechanism is usually related to the PHY type since
4858 * the power consumption of the board is affected by the PHY. Currently,
4859 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4860 */
4861 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4862 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004863 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004864 bnx2x_fan_failure_det_req(
4865 bp,
4866 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004867 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004868 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004869 }
4870
4871 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4872
4873 if (is_required == 0)
4874 return;
4875
4876 /* Fan failure is indicated by SPIO 5 */
4877 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4878 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4879
4880 /* set to active low mode */
4881 val = REG_RD(bp, MISC_REG_SPIO_INT);
4882 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004883 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004884 REG_WR(bp, MISC_REG_SPIO_INT, val);
4885
4886 /* enable interrupt to signal the IGU */
4887 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4888 val |= (1 << MISC_REGISTERS_SPIO_5);
4889 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4890}
4891
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004892static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4893{
4894 u32 offset = 0;
4895
4896 if (CHIP_IS_E1(bp))
4897 return;
4898 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4899 return;
4900
4901 switch (BP_ABS_FUNC(bp)) {
4902 case 0:
4903 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4904 break;
4905 case 1:
4906 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4907 break;
4908 case 2:
4909 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4910 break;
4911 case 3:
4912 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4913 break;
4914 case 4:
4915 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4916 break;
4917 case 5:
4918 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4919 break;
4920 case 6:
4921 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4922 break;
4923 case 7:
4924 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4925 break;
4926 default:
4927 return;
4928 }
4929
4930 REG_WR(bp, offset, pretend_func_num);
4931 REG_RD(bp, offset);
4932 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4933}
4934
4935static void bnx2x_pf_disable(struct bnx2x *bp)
4936{
4937 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4938 val &= ~IGU_PF_CONF_FUNC_EN;
4939
4940 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4941 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4942 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4943}
4944
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004945static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004946{
4947 u32 val, i;
4948
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004949 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004950
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004951 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004952 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4953 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4954
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004955 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004956 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004957 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004958
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004959 if (CHIP_IS_E2(bp)) {
4960 u8 fid;
4961
4962 /**
4963 * 4-port mode or 2-port mode we need to turn of master-enable
4964 * for everyone, after that, turn it back on for self.
4965 * so, we disregard multi-function or not, and always disable
4966 * for all functions on the given path, this means 0,2,4,6 for
4967 * path 0 and 1,3,5,7 for path 1
4968 */
4969 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4970 if (fid == BP_ABS_FUNC(bp)) {
4971 REG_WR(bp,
4972 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4973 1);
4974 continue;
4975 }
4976
4977 bnx2x_pretend_func(bp, fid);
4978 /* clear pf enable */
4979 bnx2x_pf_disable(bp);
4980 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4981 }
4982 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004983
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004984 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004985 if (CHIP_IS_E1(bp)) {
4986 /* enable HW interrupt from PXP on USDM overflow
4987 bit 16 on INT_MASK_0 */
4988 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004989 }
4990
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004991 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004992 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004993
4994#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004995 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4996 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4997 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4998 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
4999 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005000 /* make sure this value is 0 */
5001 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005002
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005003/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5004 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5005 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5006 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5007 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005008#endif
5009
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005010 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5011
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005012 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5013 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005014
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005015 /* let the HW do it's magic ... */
5016 msleep(100);
5017 /* finish PXP init */
5018 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5019 if (val != 1) {
5020 BNX2X_ERR("PXP2 CFG failed\n");
5021 return -EBUSY;
5022 }
5023 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5024 if (val != 1) {
5025 BNX2X_ERR("PXP2 RD_INIT failed\n");
5026 return -EBUSY;
5027 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005028
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005029 /* Timers bug workaround E2 only. We need to set the entire ILT to
5030 * have entries with value "0" and valid bit on.
5031 * This needs to be done by the first PF that is loaded in a path
5032 * (i.e. common phase)
5033 */
5034 if (CHIP_IS_E2(bp)) {
5035 struct ilt_client_info ilt_cli;
5036 struct bnx2x_ilt ilt;
5037 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5038 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5039
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005040 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005041 ilt_cli.start = 0;
5042 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5043 ilt_cli.client_num = ILT_CLIENT_TM;
5044
5045 /* Step 1: set zeroes to all ilt page entries with valid bit on
5046 * Step 2: set the timers first/last ilt entry to point
5047 * to the entire range to prevent ILT range error for 3rd/4th
5048 * vnic (this code assumes existance of the vnic)
5049 *
5050 * both steps performed by call to bnx2x_ilt_client_init_op()
5051 * with dummy TM client
5052 *
5053 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5054 * and his brother are split registers
5055 */
5056 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5057 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5058 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5059
5060 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5061 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5062 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5063 }
5064
5065
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005066 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5067 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005068
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005069 if (CHIP_IS_E2(bp)) {
5070 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5071 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5072 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5073
5074 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5075
5076 /* let the HW do it's magic ... */
5077 do {
5078 msleep(200);
5079 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5080 } while (factor-- && (val != 1));
5081
5082 if (val != 1) {
5083 BNX2X_ERR("ATC_INIT failed\n");
5084 return -EBUSY;
5085 }
5086 }
5087
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005088 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005089
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005090 /* clean the DMAE memory */
5091 bp->dmae_ready = 1;
5092 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005093
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005094 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5095 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5096 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5097 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005098
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005099 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5100 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5101 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5102 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5103
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005104 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005105
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005106 if (CHIP_MODE_IS_4_PORT(bp))
5107 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005108
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005109 /* QM queues pointers table */
5110 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005111
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005112 /* soft reset pulse */
5113 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5114 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005115
Michael Chan37b091b2009-10-10 13:46:55 +00005116#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005117 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005118#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005119
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005120 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005121 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5122
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005123 if (!CHIP_REV_IS_SLOW(bp)) {
5124 /* enable hw interrupt from doorbell Q */
5125 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005128 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005129 if (CHIP_MODE_IS_4_PORT(bp)) {
5130 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5131 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5132 }
5133
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005134 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005135 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005136#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005137 /* set NIC mode */
5138 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005139#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005140 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005141 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005142
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005143 if (CHIP_IS_E2(bp)) {
5144 /* Bit-map indicating which L2 hdrs may appear after the
5145 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005146 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005147 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5148 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5149 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005150
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005151 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5152 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5153 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5154 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155
Eilon Greensteinca003922009-08-12 22:53:28 -07005156 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5157 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5158 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5159 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005161 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5162 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5163 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5164 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005165
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005166 if (CHIP_MODE_IS_4_PORT(bp))
5167 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5168
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005169 /* sync semi rtc */
5170 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5171 0x80000000);
5172 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5173 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005174
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005175 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5176 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5177 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005178
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005179 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005180 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005181 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5182 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5183 }
5184
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005185 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005186 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5187 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005188
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005189 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005190#ifdef BCM_CNIC
5191 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5192 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5193 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5194 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5195 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5196 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5197 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5198 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5199 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5200 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5201#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005202 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005203
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005204 if (sizeof(union cdu_context) != 1024)
5205 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005206 dev_alert(&bp->pdev->dev, "please adjust the size "
5207 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005208 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005209
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005210 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005211 val = (4 << 24) + (0 << 12) + 1024;
5212 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005213
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005214 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005215 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005216 /* enable context validation interrupt from CFC */
5217 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5218
5219 /* set the thresholds to prevent CFC/CDU race */
5220 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005221
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005222 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005223
5224 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5225 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5226
5227 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005228 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005229
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005230 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005231 /* Reset PCIE errors for debug */
5232 REG_WR(bp, 0x2814, 0xffffffff);
5233 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005234
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005235 if (CHIP_IS_E2(bp)) {
5236 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5237 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5238 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5239 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5240 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5241 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5242 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5243 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5244 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5245 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5246 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5247 }
5248
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005249 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005250 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005251 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005252 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005253
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005254 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005255 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005256 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005257 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005258 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005259 if (CHIP_IS_E2(bp)) {
5260 /* Bit-map indicating which L2 hdrs may appear after the
5261 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005262 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005263 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005264
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005265 if (CHIP_REV_IS_SLOW(bp))
5266 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005267
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005268 /* finish CFC init */
5269 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5270 if (val != 1) {
5271 BNX2X_ERR("CFC LL_INIT failed\n");
5272 return -EBUSY;
5273 }
5274 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5275 if (val != 1) {
5276 BNX2X_ERR("CFC AC_INIT failed\n");
5277 return -EBUSY;
5278 }
5279 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5280 if (val != 1) {
5281 BNX2X_ERR("CFC CAM_INIT failed\n");
5282 return -EBUSY;
5283 }
5284 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005285
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005286 if (CHIP_IS_E1(bp)) {
5287 /* read NIG statistic
5288 to see if this is our first up since powerup */
5289 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5290 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005291
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005292 /* do internal memory self test */
5293 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5294 BNX2X_ERR("internal mem self test failed\n");
5295 return -EBUSY;
5296 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005297 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005298
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005299 bnx2x_setup_fan_failure_detection(bp);
5300
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005301 /* clear PXP2 attentions */
5302 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005303
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005304 bnx2x_enable_blocks_attention(bp);
5305 if (CHIP_PARITY_ENABLED(bp))
5306 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005307
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005308 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005309 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5310 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5311 CHIP_IS_E1x(bp)) {
5312 u32 shmem_base[2], shmem2_base[2];
5313 shmem_base[0] = bp->common.shmem_base;
5314 shmem2_base[0] = bp->common.shmem2_base;
5315 if (CHIP_IS_E2(bp)) {
5316 shmem_base[1] =
5317 SHMEM2_RD(bp, other_shmem_base_addr);
5318 shmem2_base[1] =
5319 SHMEM2_RD(bp, other_shmem2_base_addr);
5320 }
5321 bnx2x_acquire_phy_lock(bp);
5322 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5323 bp->common.chip_id);
5324 bnx2x_release_phy_lock(bp);
5325 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005326 } else
5327 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005329 return 0;
5330}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005331
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005332static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005333{
5334 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005335 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005336 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005337 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005338
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005339 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005340
5341 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005342
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005343 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005344 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005345
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005346 /* Timers bug workaround: disables the pf_master bit in pglue at
5347 * common phase, we need to enable it here before any dmae access are
5348 * attempted. Therefore we manually added the enable-master to the
5349 * port phase (it also happens in the function phase)
5350 */
5351 if (CHIP_IS_E2(bp))
5352 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5353
Eilon Greensteinca003922009-08-12 22:53:28 -07005354 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5355 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5356 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005357 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005358
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005359 /* QM cid (connection) count */
5360 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005361
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005362#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005363 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005364 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5365 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005366#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005367
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005368 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005369
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005370 if (CHIP_MODE_IS_4_PORT(bp))
5371 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005372
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005373 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5374 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5375 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5376 /* no pause for emulation and FPGA */
5377 low = 0;
5378 high = 513;
5379 } else {
5380 if (IS_MF(bp))
5381 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5382 else if (bp->dev->mtu > 4096) {
5383 if (bp->flags & ONE_PORT_FLAG)
5384 low = 160;
5385 else {
5386 val = bp->dev->mtu;
5387 /* (24*1024 + val*4)/256 */
5388 low = 96 + (val/64) +
5389 ((val % 64) ? 1 : 0);
5390 }
5391 } else
5392 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5393 high = low + 56; /* 14*1024/256 */
5394 }
5395 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5396 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5397 }
5398
5399 if (CHIP_MODE_IS_4_PORT(bp)) {
5400 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5401 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5402 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5403 BRB1_REG_MAC_GUARANTIED_0), 40);
5404 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005405
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005406 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005407
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005408 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005409 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005410 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005411 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005412
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005413 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5414 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5415 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5416 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005417 if (CHIP_MODE_IS_4_PORT(bp))
5418 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005419
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005420 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005421 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005422
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005423 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005425 if (!CHIP_IS_E2(bp)) {
5426 /* configure PBF to work without PAUSE mtu 9000 */
5427 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005429 /* update threshold */
5430 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5431 /* update init credit */
5432 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005433
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005434 /* probe changes */
5435 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5436 udelay(50);
5437 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5438 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005439
Michael Chan37b091b2009-10-10 13:46:55 +00005440#ifdef BCM_CNIC
5441 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005442#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005443 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005444 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005445
5446 if (CHIP_IS_E1(bp)) {
5447 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5448 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5449 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005450 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005451
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005452 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5453
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005454 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005455 /* init aeu_mask_attn_func_0/1:
5456 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5457 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5458 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005459 val = IS_MF(bp) ? 0xF7 : 0x7;
5460 /* Enable DCBX attention for all but E1 */
5461 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5462 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005463
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005464 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005465 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005466 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005467 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005468 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005469
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005470 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005471
5472 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005474 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005475 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005476 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005477 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005479 if (CHIP_IS_E2(bp)) {
5480 val = 0;
5481 switch (bp->mf_mode) {
5482 case MULTI_FUNCTION_SD:
5483 val = 1;
5484 break;
5485 case MULTI_FUNCTION_SI:
5486 val = 2;
5487 break;
5488 }
5489
5490 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5491 NIG_REG_LLH0_CLS_TYPE), val);
5492 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005493 {
5494 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5495 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5496 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5497 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005498 }
5499
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005500 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005501 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005502 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005503 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005504 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5505 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5506 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005507 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005508 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005509 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005510 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005511
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005512 return 0;
5513}
5514
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005515static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5516{
5517 int reg;
5518
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005519 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005520 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005521 else
5522 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005523
5524 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5525}
5526
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005527static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5528{
5529 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5530}
5531
5532static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5533{
5534 u32 i, base = FUNC_ILT_BASE(func);
5535 for (i = base; i < base + ILT_PER_FUNC; i++)
5536 bnx2x_ilt_wr(bp, i, 0);
5537}
5538
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005539static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005540{
5541 int port = BP_PORT(bp);
5542 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005543 struct bnx2x_ilt *ilt = BP_ILT(bp);
5544 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005545 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005546 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5547 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005548
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005549 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005550
Eilon Greenstein8badd272009-02-12 08:36:15 +00005551 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005552 if (bp->common.int_block == INT_BLOCK_HC) {
5553 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5554 val = REG_RD(bp, addr);
5555 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5556 REG_WR(bp, addr, val);
5557 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005558
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005559 ilt = BP_ILT(bp);
5560 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005561
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005562 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5563 ilt->lines[cdu_ilt_start + i].page =
5564 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5565 ilt->lines[cdu_ilt_start + i].page_mapping =
5566 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5567 /* cdu ilt pages are allocated manually so there's no need to
5568 set the size */
5569 }
5570 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005571
Michael Chan37b091b2009-10-10 13:46:55 +00005572#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005573 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005574
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005575 /* T1 hash bits value determines the T1 number of entries */
5576 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005577#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005578
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005579#ifndef BCM_CNIC
5580 /* set NIC mode */
5581 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5582#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005583
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005584 if (CHIP_IS_E2(bp)) {
5585 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5586
5587 /* Turn on a single ISR mode in IGU if driver is going to use
5588 * INT#x or MSI
5589 */
5590 if (!(bp->flags & USING_MSIX_FLAG))
5591 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5592 /*
5593 * Timers workaround bug: function init part.
5594 * Need to wait 20msec after initializing ILT,
5595 * needed to make sure there are no requests in
5596 * one of the PXP internal queues with "old" ILT addresses
5597 */
5598 msleep(20);
5599 /*
5600 * Master enable - Due to WB DMAE writes performed before this
5601 * register is re-initialized as part of the regular function
5602 * init
5603 */
5604 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5605 /* Enable the function in IGU */
5606 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5607 }
5608
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005609 bp->dmae_ready = 1;
5610
5611 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5612
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005613 if (CHIP_IS_E2(bp))
5614 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5615
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005616 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5617 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5618 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5619 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5620 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5621 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5622 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5623 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5624 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5625
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005626 if (CHIP_IS_E2(bp)) {
5627 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5628 BP_PATH(bp));
5629 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5630 BP_PATH(bp));
5631 }
5632
5633 if (CHIP_MODE_IS_4_PORT(bp))
5634 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5635
5636 if (CHIP_IS_E2(bp))
5637 REG_WR(bp, QM_REG_PF_EN, 1);
5638
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005639 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005640
5641 if (CHIP_MODE_IS_4_PORT(bp))
5642 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5643
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005644 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5645 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5646 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5647 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5648 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5649 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5650 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5651 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5652 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5653 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5654 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005655 if (CHIP_IS_E2(bp))
5656 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5657
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005658 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5659
5660 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005662 if (CHIP_IS_E2(bp))
5663 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5664
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005665 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005666 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005667 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005668 }
5669
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005670 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005672 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005673 if (bp->common.int_block == INT_BLOCK_HC) {
5674 if (CHIP_IS_E1H(bp)) {
5675 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5676
5677 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5678 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5679 }
5680 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5681
5682 } else {
5683 int num_segs, sb_idx, prod_offset;
5684
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005685 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5686
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005687 if (CHIP_IS_E2(bp)) {
5688 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5689 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5690 }
5691
5692 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5693
5694 if (CHIP_IS_E2(bp)) {
5695 int dsb_idx = 0;
5696 /**
5697 * Producer memory:
5698 * E2 mode: address 0-135 match to the mapping memory;
5699 * 136 - PF0 default prod; 137 - PF1 default prod;
5700 * 138 - PF2 default prod; 139 - PF3 default prod;
5701 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5702 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5703 * 144-147 reserved.
5704 *
5705 * E1.5 mode - In backward compatible mode;
5706 * for non default SB; each even line in the memory
5707 * holds the U producer and each odd line hold
5708 * the C producer. The first 128 producers are for
5709 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5710 * producers are for the DSB for each PF.
5711 * Each PF has five segments: (the order inside each
5712 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5713 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5714 * 144-147 attn prods;
5715 */
5716 /* non-default-status-blocks */
5717 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5718 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5719 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5720 prod_offset = (bp->igu_base_sb + sb_idx) *
5721 num_segs;
5722
5723 for (i = 0; i < num_segs; i++) {
5724 addr = IGU_REG_PROD_CONS_MEMORY +
5725 (prod_offset + i) * 4;
5726 REG_WR(bp, addr, 0);
5727 }
5728 /* send consumer update with value 0 */
5729 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5730 USTORM_ID, 0, IGU_INT_NOP, 1);
5731 bnx2x_igu_clear_sb(bp,
5732 bp->igu_base_sb + sb_idx);
5733 }
5734
5735 /* default-status-blocks */
5736 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5737 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5738
5739 if (CHIP_MODE_IS_4_PORT(bp))
5740 dsb_idx = BP_FUNC(bp);
5741 else
5742 dsb_idx = BP_E1HVN(bp);
5743
5744 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5745 IGU_BC_BASE_DSB_PROD + dsb_idx :
5746 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5747
5748 for (i = 0; i < (num_segs * E1HVN_MAX);
5749 i += E1HVN_MAX) {
5750 addr = IGU_REG_PROD_CONS_MEMORY +
5751 (prod_offset + i)*4;
5752 REG_WR(bp, addr, 0);
5753 }
5754 /* send consumer update with 0 */
5755 if (CHIP_INT_MODE_IS_BC(bp)) {
5756 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5757 USTORM_ID, 0, IGU_INT_NOP, 1);
5758 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5759 CSTORM_ID, 0, IGU_INT_NOP, 1);
5760 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5761 XSTORM_ID, 0, IGU_INT_NOP, 1);
5762 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5763 TSTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5765 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5766 } else {
5767 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5768 USTORM_ID, 0, IGU_INT_NOP, 1);
5769 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5770 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5771 }
5772 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5773
5774 /* !!! these should become driver const once
5775 rf-tool supports split-68 const */
5776 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5777 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5778 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5779 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5780 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5781 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5782 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005783 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005784
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005785 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005786 REG_WR(bp, 0x2114, 0xffffffff);
5787 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005788
5789 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5790 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5791 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5792 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5793 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5794 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5795
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005796 if (CHIP_IS_E1x(bp)) {
5797 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5798 main_mem_base = HC_REG_MAIN_MEMORY +
5799 BP_PORT(bp) * (main_mem_size * 4);
5800 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5801 main_mem_width = 8;
5802
5803 val = REG_RD(bp, main_mem_prty_clr);
5804 if (val)
5805 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5806 "block during "
5807 "function init (0x%x)!\n", val);
5808
5809 /* Clear "false" parity errors in MSI-X table */
5810 for (i = main_mem_base;
5811 i < main_mem_base + main_mem_size * 4;
5812 i += main_mem_width) {
5813 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5814 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5815 i, main_mem_width / 4);
5816 }
5817 /* Clear HC parity attention */
5818 REG_RD(bp, main_mem_prty_clr);
5819 }
5820
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005821 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005822
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005823 return 0;
5824}
5825
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005826int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005827{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005828 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005829
5830 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005831 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005832
5833 bp->dmae_ready = 0;
5834 mutex_init(&bp->dmae_mutex);
Eilon Greenstein54016b22009-08-12 08:23:48 +00005835 rc = bnx2x_gunzip_init(bp);
5836 if (rc)
5837 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005838
5839 switch (load_code) {
5840 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005841 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005842 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005843 if (rc)
5844 goto init_hw_err;
5845 /* no break */
5846
5847 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005848 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005849 if (rc)
5850 goto init_hw_err;
5851 /* no break */
5852
5853 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005854 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005855 if (rc)
5856 goto init_hw_err;
5857 break;
5858
5859 default:
5860 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5861 break;
5862 }
5863
5864 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005865 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005866
5867 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005868 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005869 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005870 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5871 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005872
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005873init_hw_err:
5874 bnx2x_gunzip_end(bp);
5875
5876 return rc;
5877}
5878
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005879void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005880{
5881
5882#define BNX2X_PCI_FREE(x, y, size) \
5883 do { \
5884 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005885 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005886 x = NULL; \
5887 y = 0; \
5888 } \
5889 } while (0)
5890
5891#define BNX2X_FREE(x) \
5892 do { \
5893 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005894 kfree((void *)x); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005895 x = NULL; \
5896 } \
5897 } while (0)
5898
5899 int i;
5900
5901 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005902 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005903 for_each_queue(bp, i) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005904#ifdef BCM_CNIC
5905 /* FCoE client uses default status block */
5906 if (IS_FCOE_IDX(i)) {
5907 union host_hc_status_block *sb =
5908 &bnx2x_fp(bp, i, status_blk);
5909 memset(sb, 0, sizeof(union host_hc_status_block));
5910 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5911 } else {
5912#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005913 /* status blocks */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005914 if (CHIP_IS_E2(bp))
5915 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5916 bnx2x_fp(bp, i, status_blk_mapping),
5917 sizeof(struct host_hc_status_block_e2));
5918 else
5919 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5920 bnx2x_fp(bp, i, status_blk_mapping),
5921 sizeof(struct host_hc_status_block_e1x));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005922#ifdef BCM_CNIC
5923 }
5924#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005925 }
5926 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005927 for_each_rx_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005928
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005929 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005930 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5931 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5932 bnx2x_fp(bp, i, rx_desc_mapping),
5933 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5934
5935 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5936 bnx2x_fp(bp, i, rx_comp_mapping),
5937 sizeof(struct eth_fast_path_rx_cqe) *
5938 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005939
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005940 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005941 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005942 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5943 bnx2x_fp(bp, i, rx_sge_mapping),
5944 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5945 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005946 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005947 for_each_tx_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005948
5949 /* fastpath tx rings: tx_buf tx_desc */
5950 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5951 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5952 bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07005953 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005954 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005955 /* end of fastpath */
5956
5957 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005958 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005959
5960 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005961 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005962
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005963 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5964 bp->context.size);
5965
5966 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5967
5968 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005969
Michael Chan37b091b2009-10-10 13:46:55 +00005970#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005971 if (CHIP_IS_E2(bp))
5972 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5973 sizeof(struct host_hc_status_block_e2));
5974 else
5975 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5976 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005977
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005978 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005980
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005981 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005982
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005983 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5984 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5985
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986#undef BNX2X_PCI_FREE
5987#undef BNX2X_KFREE
5988}
5989
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005990static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
5991{
5992 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
5993 if (CHIP_IS_E2(bp)) {
5994 bnx2x_fp(bp, index, sb_index_values) =
5995 (__le16 *)status_blk.e2_sb->sb.index_values;
5996 bnx2x_fp(bp, index, sb_running_index) =
5997 (__le16 *)status_blk.e2_sb->sb.running_index;
5998 } else {
5999 bnx2x_fp(bp, index, sb_index_values) =
6000 (__le16 *)status_blk.e1x_sb->sb.index_values;
6001 bnx2x_fp(bp, index, sb_running_index) =
6002 (__le16 *)status_blk.e1x_sb->sb.running_index;
6003 }
6004}
6005
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006006int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006007{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006008#define BNX2X_PCI_ALLOC(x, y, size) \
6009 do { \
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006010 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006011 if (x == NULL) \
6012 goto alloc_mem_err; \
6013 memset(x, 0, size); \
6014 } while (0)
6015
6016#define BNX2X_ALLOC(x, size) \
6017 do { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006018 x = kzalloc(size, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006019 if (x == NULL) \
6020 goto alloc_mem_err; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006021 } while (0)
6022
6023 int i;
6024
6025 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006026 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006027 for_each_queue(bp, i) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006028 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006029 bnx2x_fp(bp, i, bp) = bp;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006030 /* status blocks */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006031#ifdef BCM_CNIC
6032 if (!IS_FCOE_IDX(i)) {
6033#endif
6034 if (CHIP_IS_E2(bp))
6035 BNX2X_PCI_ALLOC(sb->e2_sb,
6036 &bnx2x_fp(bp, i, status_blk_mapping),
6037 sizeof(struct host_hc_status_block_e2));
6038 else
6039 BNX2X_PCI_ALLOC(sb->e1x_sb,
6040 &bnx2x_fp(bp, i, status_blk_mapping),
6041 sizeof(struct host_hc_status_block_e1x));
6042#ifdef BCM_CNIC
6043 }
6044#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006045 set_sb_shortcuts(bp, i);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006046 }
6047 /* Rx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006048 for_each_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006049
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006050 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006051 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6052 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6053 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6054 &bnx2x_fp(bp, i, rx_desc_mapping),
6055 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6056
6057 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6058 &bnx2x_fp(bp, i, rx_comp_mapping),
6059 sizeof(struct eth_fast_path_rx_cqe) *
6060 NUM_RCQ_BD);
6061
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006062 /* SGE ring */
6063 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6064 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6065 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6066 &bnx2x_fp(bp, i, rx_sge_mapping),
6067 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006068 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006069 /* Tx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006070 for_each_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006071
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006072 /* fastpath tx rings: tx_buf tx_desc */
6073 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6074 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6075 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6076 &bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006077 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006078 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006079 /* end of fastpath */
6080
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006081#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006082 if (CHIP_IS_E2(bp))
6083 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6084 sizeof(struct host_hc_status_block_e2));
6085 else
6086 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6087 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006088
6089 /* allocate searcher T2 table */
6090 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6091#endif
6092
6093
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006094 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006095 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006096
6097 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6098 sizeof(struct bnx2x_slowpath));
6099
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006100 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006101
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006102 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6103 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006104
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006105 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006106
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006107 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6108 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006109
6110 /* Slow path ring */
6111 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6112
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006113 /* EQ */
6114 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6115 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006116 return 0;
6117
6118alloc_mem_err:
6119 bnx2x_free_mem(bp);
6120 return -ENOMEM;
6121
6122#undef BNX2X_PCI_ALLOC
6123#undef BNX2X_ALLOC
6124}
6125
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006126/*
6127 * Init service functions
6128 */
stephen hemminger8d962862010-10-21 07:50:56 +00006129static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6130 int *state_p, int flags);
6131
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006132int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006133{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006134 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006135
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006136 /* Wait for completion */
6137 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6138 WAIT_RAMROD_COMMON);
6139}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006140
stephen hemminger8d962862010-10-21 07:50:56 +00006141static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006142{
6143 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006144
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006145 /* Wait for completion */
6146 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6147 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006148}
6149
Michael Chane665bfd2009-10-10 13:46:54 +00006150/**
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006151 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006152 *
6153 * @param bp driver descriptor
6154 * @param set set or clear an entry (1 or 0)
6155 * @param mac pointer to a buffer containing a MAC
6156 * @param cl_bit_vec bit vector of clients to register a MAC for
6157 * @param cam_offset offset in a CAM to use
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006158 * @param is_bcast is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006159 */
Joe Perches215faf92010-12-21 02:16:10 -08006160static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006161 u32 cl_bit_vec, u8 cam_offset,
6162 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006163{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006164 struct mac_configuration_cmd *config =
6165 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6166 int ramrod_flags = WAIT_RAMROD_COMMON;
6167
6168 bp->set_mac_pending = 1;
6169 smp_wmb();
6170
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006171 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006172 config->hdr.offset = cam_offset;
6173 config->hdr.client_id = 0xff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006174 config->hdr.reserved1 = 0;
6175
6176 /* primary MAC */
6177 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006178 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006179 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006180 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006181 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006182 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006183 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006184 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006185 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006186 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006187 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006188 SET_FLAG(config->config_table[0].flags,
6189 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6190 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006191 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006192 SET_FLAG(config->config_table[0].flags,
6193 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6194 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006195
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006196 if (is_bcast)
6197 SET_FLAG(config->config_table[0].flags,
6198 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6199
6200 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006201 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006202 config->config_table[0].msb_mac_addr,
6203 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006204 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006205
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006206 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006207 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006208 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6209
6210 /* Wait for a completion */
6211 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006212}
6213
stephen hemminger8d962862010-10-21 07:50:56 +00006214static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6215 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006216{
6217 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006218 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006219 u8 poll = flags & WAIT_RAMROD_POLL;
6220 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006221
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006222 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6223 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006224
6225 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006226 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006227 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006228 if (common)
6229 bnx2x_eq_int(bp);
6230 else {
6231 bnx2x_rx_int(bp->fp, 10);
6232 /* if index is different from 0
6233 * the reply for some commands will
6234 * be on the non default queue
6235 */
6236 if (idx)
6237 bnx2x_rx_int(&bp->fp[idx], 10);
6238 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006239 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006240
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006241 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006242 if (*state_p == state) {
6243#ifdef BNX2X_STOP_ON_ERROR
6244 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6245#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006246 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006247 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006248
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006249 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006250
6251 if (bp->panic)
6252 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006253 }
6254
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006255 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006256 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6257 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006258#ifdef BNX2X_STOP_ON_ERROR
6259 bnx2x_panic();
6260#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006261
Eliezer Tamir49d66772008-02-28 11:53:13 -08006262 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006263}
6264
stephen hemminger8d962862010-10-21 07:50:56 +00006265static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006266{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006267 if (CHIP_IS_E1H(bp))
6268 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6269 else if (CHIP_MODE_IS_4_PORT(bp))
6270 return BP_FUNC(bp) * 32 + rel_offset;
6271 else
6272 return BP_VN(bp) * 32 + rel_offset;
Michael Chane665bfd2009-10-10 13:46:54 +00006273}
6274
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006275/**
6276 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6277 * relevant. In addition, current implementation is tuned for a
6278 * single ETH MAC.
6279 *
6280 * When multiple unicast ETH MACs PF configuration in switch
6281 * independent mode is required (NetQ, multiple netdev MACs,
6282 * etc.), consider better utilisation of 16 per function MAC
6283 * entries in the LLH memory.
6284 */
6285enum {
6286 LLH_CAM_ISCSI_ETH_LINE = 0,
6287 LLH_CAM_ETH_LINE,
6288 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6289};
6290
6291static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6292 int set,
6293 unsigned char *dev_addr,
6294 int index)
6295{
6296 u32 wb_data[2];
6297 u32 mem_offset, ena_offset, mem_index;
6298 /**
6299 * indexes mapping:
6300 * 0..7 - goes to MEM
6301 * 8..15 - goes to MEM2
6302 */
6303
6304 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6305 return;
6306
6307 /* calculate memory start offset according to the mapping
6308 * and index in the memory */
6309 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6310 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6311 NIG_REG_LLH0_FUNC_MEM;
6312 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6313 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6314 mem_index = index;
6315 } else {
6316 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6317 NIG_REG_P0_LLH_FUNC_MEM2;
6318 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6319 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6320 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6321 }
6322
6323 if (set) {
6324 /* LLH_FUNC_MEM is a u64 WB register */
6325 mem_offset += 8*mem_index;
6326
6327 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6328 (dev_addr[4] << 8) | dev_addr[5]);
6329 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6330
6331 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6332 }
6333
6334 /* enable/disable the entry */
6335 REG_WR(bp, ena_offset + 4*mem_index, set);
6336
6337}
6338
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006339void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006340{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006341 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6342 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6343
6344 /* networking MAC */
6345 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6346 (1 << bp->fp->cl_id), cam_offset , 0);
6347
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006348 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6349
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006350 if (CHIP_IS_E1(bp)) {
6351 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006352 static const u8 bcast[ETH_ALEN] = {
6353 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6354 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006355 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6356 }
6357}
6358static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
6359{
6360 int i = 0, old;
6361 struct net_device *dev = bp->dev;
6362 struct netdev_hw_addr *ha;
6363 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6364 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6365
6366 netdev_for_each_mc_addr(ha, dev) {
6367 /* copy mac */
6368 config_cmd->config_table[i].msb_mac_addr =
6369 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6370 config_cmd->config_table[i].middle_mac_addr =
6371 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6372 config_cmd->config_table[i].lsb_mac_addr =
6373 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6374
6375 config_cmd->config_table[i].vlan_id = 0;
6376 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6377 config_cmd->config_table[i].clients_bit_vector =
6378 cpu_to_le32(1 << BP_L_ID(bp));
6379
6380 SET_FLAG(config_cmd->config_table[i].flags,
6381 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6382 T_ETH_MAC_COMMAND_SET);
6383
6384 DP(NETIF_MSG_IFUP,
6385 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6386 config_cmd->config_table[i].msb_mac_addr,
6387 config_cmd->config_table[i].middle_mac_addr,
6388 config_cmd->config_table[i].lsb_mac_addr);
6389 i++;
6390 }
6391 old = config_cmd->hdr.length;
6392 if (old > i) {
6393 for (; i < old; i++) {
6394 if (CAM_IS_INVALID(config_cmd->
6395 config_table[i])) {
6396 /* already invalidated */
6397 break;
6398 }
6399 /* invalidate */
6400 SET_FLAG(config_cmd->config_table[i].flags,
6401 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6402 T_ETH_MAC_COMMAND_INVALIDATE);
6403 }
6404 }
6405
6406 config_cmd->hdr.length = i;
6407 config_cmd->hdr.offset = offset;
6408 config_cmd->hdr.client_id = 0xff;
6409 config_cmd->hdr.reserved1 = 0;
6410
6411 bp->set_mac_pending = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006412 smp_wmb();
6413
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006414 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6415 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6416}
6417static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6418{
6419 int i;
6420 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6421 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6422 int ramrod_flags = WAIT_RAMROD_COMMON;
6423
6424 bp->set_mac_pending = 1;
6425 smp_wmb();
6426
6427 for (i = 0; i < config_cmd->hdr.length; i++)
6428 SET_FLAG(config_cmd->config_table[i].flags,
6429 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6430 T_ETH_MAC_COMMAND_INVALIDATE);
6431
6432 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6433 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006434
6435 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006436 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6437 ramrod_flags);
6438
Michael Chane665bfd2009-10-10 13:46:54 +00006439}
6440
Michael Chan993ac7b2009-10-10 13:46:56 +00006441#ifdef BCM_CNIC
6442/**
6443 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6444 * MAC(s). This function will wait until the ramdord completion
6445 * returns.
6446 *
6447 * @param bp driver handle
6448 * @param set set or clear the CAM entry
6449 *
6450 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6451 */
stephen hemminger8d962862010-10-21 07:50:56 +00006452static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006453{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006454 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6455 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006456 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6457 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006458 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006459 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006460
6461 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006462 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006463 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006464
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006465 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006466
6467 return 0;
6468}
6469
6470/**
6471 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6472 * ETH MAC(s). This function will wait until the ramdord
6473 * completion returns.
6474 *
6475 * @param bp driver handle
6476 * @param set set or clear the CAM entry
6477 *
6478 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6479 */
6480int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6481{
6482 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6483 /**
6484 * CAM allocation for E1H
6485 * eth unicasts: by func number
6486 * iscsi: by func number
6487 * fip unicast: by func number
6488 * fip multicast: by func number
6489 */
6490 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6491 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6492
6493 return 0;
6494}
6495
6496int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6497{
6498 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6499
6500 /**
6501 * CAM allocation for E1H
6502 * eth unicasts: by func number
6503 * iscsi: by func number
6504 * fip unicast: by func number
6505 * fip multicast: by func number
6506 */
6507 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6508 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6509
Michael Chan993ac7b2009-10-10 13:46:56 +00006510 return 0;
6511}
6512#endif
6513
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006514static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6515 struct bnx2x_client_init_params *params,
6516 u8 activate,
6517 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006518{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006519 /* Clear the buffer */
6520 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006522 /* general */
6523 data->general.client_id = params->rxq_params.cl_id;
6524 data->general.statistics_counter_id = params->rxq_params.stat_id;
6525 data->general.statistics_en_flg =
6526 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006527 data->general.is_fcoe_flg =
6528 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006529 data->general.activate_flg = activate;
6530 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006531
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006532 /* Rx data */
6533 data->rx.tpa_en_flg =
6534 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6535 data->rx.vmqueue_mode_en_flg = 0;
6536 data->rx.cache_line_alignment_log_size =
6537 params->rxq_params.cache_line_log;
6538 data->rx.enable_dynamic_hc =
6539 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6540 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6541 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6542 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6543
6544 /* We don't set drop flags */
6545 data->rx.drop_ip_cs_err_flg = 0;
6546 data->rx.drop_tcp_cs_err_flg = 0;
6547 data->rx.drop_ttl0_flg = 0;
6548 data->rx.drop_udp_cs_err_flg = 0;
6549
6550 data->rx.inner_vlan_removal_enable_flg =
6551 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6552 data->rx.outer_vlan_removal_enable_flg =
6553 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6554 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6555 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6556 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6557 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6558 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6559 data->rx.bd_page_base.lo =
6560 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6561 data->rx.bd_page_base.hi =
6562 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6563 data->rx.sge_page_base.lo =
6564 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6565 data->rx.sge_page_base.hi =
6566 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6567 data->rx.cqe_page_base.lo =
6568 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6569 data->rx.cqe_page_base.hi =
6570 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6571 data->rx.is_leading_rss =
6572 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6573 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6574
6575 /* Tx data */
6576 data->tx.enforce_security_flg = 0; /* VF specific */
6577 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6578 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6579 data->tx.mtu = 0; /* VF specific */
6580 data->tx.tx_bd_page_base.lo =
6581 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6582 data->tx.tx_bd_page_base.hi =
6583 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6584
6585 /* flow control data */
6586 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6587 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6588 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6589 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6590 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6591 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6592 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6593
6594 data->fc.safc_group_num = params->txq_params.cos;
6595 data->fc.safc_group_en_flg =
6596 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006597 data->fc.traffic_type =
6598 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6599 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006600}
6601
6602static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6603{
6604 /* ustorm cxt validation */
6605 cxt->ustorm_ag_context.cdu_usage =
6606 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6607 ETH_CONNECTION_TYPE);
6608 /* xcontext validation */
6609 cxt->xstorm_ag_context.cdu_reserved =
6610 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6611 ETH_CONNECTION_TYPE);
6612}
6613
stephen hemminger8d962862010-10-21 07:50:56 +00006614static int bnx2x_setup_fw_client(struct bnx2x *bp,
6615 struct bnx2x_client_init_params *params,
6616 u8 activate,
6617 struct client_init_ramrod_data *data,
6618 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006619{
6620 u16 hc_usec;
6621 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6622 int ramrod_flags = 0, rc;
6623
6624 /* HC and context validation values */
6625 hc_usec = params->txq_params.hc_rate ?
6626 1000000 / params->txq_params.hc_rate : 0;
6627 bnx2x_update_coalesce_sb_index(bp,
6628 params->txq_params.fw_sb_id,
6629 params->txq_params.sb_cq_index,
6630 !(params->txq_params.flags & QUEUE_FLG_HC),
6631 hc_usec);
6632
6633 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6634
6635 hc_usec = params->rxq_params.hc_rate ?
6636 1000000 / params->rxq_params.hc_rate : 0;
6637 bnx2x_update_coalesce_sb_index(bp,
6638 params->rxq_params.fw_sb_id,
6639 params->rxq_params.sb_cq_index,
6640 !(params->rxq_params.flags & QUEUE_FLG_HC),
6641 hc_usec);
6642
6643 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6644 params->rxq_params.cid);
6645
6646 /* zero stats */
6647 if (params->txq_params.flags & QUEUE_FLG_STATS)
6648 storm_memset_xstats_zero(bp, BP_PORT(bp),
6649 params->txq_params.stat_id);
6650
6651 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6652 storm_memset_ustats_zero(bp, BP_PORT(bp),
6653 params->rxq_params.stat_id);
6654 storm_memset_tstats_zero(bp, BP_PORT(bp),
6655 params->rxq_params.stat_id);
6656 }
6657
6658 /* Fill the ramrod data */
6659 bnx2x_fill_cl_init_data(bp, params, activate, data);
6660
6661 /* SETUP ramrod.
6662 *
6663 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6664 * barrier except from mmiowb() is needed to impose a
6665 * proper ordering of memory operations.
6666 */
6667 mmiowb();
6668
6669
6670 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6671 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006673 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006674 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6675 params->ramrod_params.index,
6676 params->ramrod_params.pstate,
6677 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006678 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006679}
6680
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006681/**
6682 * Configure interrupt mode according to current configuration.
6683 * In case of MSI-X it will also try to enable MSI-X.
6684 *
6685 * @param bp
6686 *
6687 * @return int
6688 */
6689static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006690{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006691 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006692
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006693 switch (bp->int_mode) {
6694 case INT_MODE_MSI:
6695 bnx2x_enable_msi(bp);
6696 /* falling through... */
6697 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006698 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006699 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006700 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006701 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006702 /* Set number of queues according to bp->multi_mode value */
6703 bnx2x_set_num_queues(bp);
6704
6705 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6706 bp->num_queues);
6707
6708 /* if we can't use MSI-X we only need one fp,
6709 * so try to enable MSI-X with the requested number of fp's
6710 * and fallback to MSI or legacy INTx with one fp
6711 */
6712 rc = bnx2x_enable_msix(bp);
6713 if (rc) {
6714 /* failed to enable MSI-X */
6715 if (bp->multi_mode)
6716 DP(NETIF_MSG_IFUP,
6717 "Multi requested but failed to "
6718 "enable MSI-X (%d), "
6719 "set number of queues to %d\n",
6720 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006721 1 + NONE_ETH_CONTEXT_USE);
6722 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006723
6724 if (!(bp->flags & DISABLE_MSI_FLAG))
6725 bnx2x_enable_msi(bp);
6726 }
6727
Eilon Greensteinca003922009-08-12 22:53:28 -07006728 break;
6729 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006730
6731 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006732}
6733
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006734/* must be called prioir to any HW initializations */
6735static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6736{
6737 return L2_ILT_LINES(bp);
6738}
6739
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006740void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006741{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006742 struct ilt_client_info *ilt_client;
6743 struct bnx2x_ilt *ilt = BP_ILT(bp);
6744 u16 line = 0;
6745
6746 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6747 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6748
6749 /* CDU */
6750 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6751 ilt_client->client_num = ILT_CLIENT_CDU;
6752 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6753 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6754 ilt_client->start = line;
6755 line += L2_ILT_LINES(bp);
6756#ifdef BCM_CNIC
6757 line += CNIC_ILT_LINES;
6758#endif
6759 ilt_client->end = line - 1;
6760
6761 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6762 "flags 0x%x, hw psz %d\n",
6763 ilt_client->start,
6764 ilt_client->end,
6765 ilt_client->page_size,
6766 ilt_client->flags,
6767 ilog2(ilt_client->page_size >> 12));
6768
6769 /* QM */
6770 if (QM_INIT(bp->qm_cid_count)) {
6771 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6772 ilt_client->client_num = ILT_CLIENT_QM;
6773 ilt_client->page_size = QM_ILT_PAGE_SZ;
6774 ilt_client->flags = 0;
6775 ilt_client->start = line;
6776
6777 /* 4 bytes for each cid */
6778 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6779 QM_ILT_PAGE_SZ);
6780
6781 ilt_client->end = line - 1;
6782
6783 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6784 "flags 0x%x, hw psz %d\n",
6785 ilt_client->start,
6786 ilt_client->end,
6787 ilt_client->page_size,
6788 ilt_client->flags,
6789 ilog2(ilt_client->page_size >> 12));
6790
6791 }
6792 /* SRC */
6793 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6794#ifdef BCM_CNIC
6795 ilt_client->client_num = ILT_CLIENT_SRC;
6796 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6797 ilt_client->flags = 0;
6798 ilt_client->start = line;
6799 line += SRC_ILT_LINES;
6800 ilt_client->end = line - 1;
6801
6802 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6803 "flags 0x%x, hw psz %d\n",
6804 ilt_client->start,
6805 ilt_client->end,
6806 ilt_client->page_size,
6807 ilt_client->flags,
6808 ilog2(ilt_client->page_size >> 12));
6809
6810#else
6811 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6812#endif
6813
6814 /* TM */
6815 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6816#ifdef BCM_CNIC
6817 ilt_client->client_num = ILT_CLIENT_TM;
6818 ilt_client->page_size = TM_ILT_PAGE_SZ;
6819 ilt_client->flags = 0;
6820 ilt_client->start = line;
6821 line += TM_ILT_LINES;
6822 ilt_client->end = line - 1;
6823
6824 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6825 "flags 0x%x, hw psz %d\n",
6826 ilt_client->start,
6827 ilt_client->end,
6828 ilt_client->page_size,
6829 ilt_client->flags,
6830 ilog2(ilt_client->page_size >> 12));
6831
6832#else
6833 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6834#endif
6835}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006836
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006837int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6838 int is_leading)
6839{
6840 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006841 int rc;
6842
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006843 /* reset IGU state skip FCoE L2 queue */
6844 if (!IS_FCOE_FP(fp))
6845 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006846 IGU_INT_ENABLE, 0);
6847
6848 params.ramrod_params.pstate = &fp->state;
6849 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6850 params.ramrod_params.index = fp->index;
6851 params.ramrod_params.cid = fp->cid;
6852
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006853#ifdef BCM_CNIC
6854 if (IS_FCOE_FP(fp))
6855 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6856
6857#endif
6858
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006859 if (is_leading)
6860 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6861
6862 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6863
6864 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6865
6866 rc = bnx2x_setup_fw_client(bp, &params, 1,
6867 bnx2x_sp(bp, client_init_data),
6868 bnx2x_sp_mapping(bp, client_init_data));
6869 return rc;
6870}
6871
stephen hemminger8d962862010-10-21 07:50:56 +00006872static int bnx2x_stop_fw_client(struct bnx2x *bp,
6873 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006874{
6875 int rc;
6876
6877 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6878
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006879 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006880 *p->pstate = BNX2X_FP_STATE_HALTING;
6881 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6882 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006883
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006884 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006885 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6886 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006887 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006888 return rc;
6889
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006890 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6891 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6892 p->cl_id, 0);
6893 /* Wait for completion */
6894 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6895 p->pstate, poll_flag);
6896 if (rc) /* timeout */
6897 return rc;
6898
6899
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006900 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006901 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006902
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006903 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006904 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6905 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006906 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006907}
6908
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006909static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006910{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006911 struct bnx2x_client_ramrod_params client_stop = {0};
6912 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006913
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006914 client_stop.index = index;
6915 client_stop.cid = fp->cid;
6916 client_stop.cl_id = fp->cl_id;
6917 client_stop.pstate = &(fp->state);
6918 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006919
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006920 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006921}
6922
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006923
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006924static void bnx2x_reset_func(struct bnx2x *bp)
6925{
6926 int port = BP_PORT(bp);
6927 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006928 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006929 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006930 (CHIP_IS_E2(bp) ?
6931 offsetof(struct hc_status_block_data_e2, common) :
6932 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006933 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6934 int pfid_offset = offsetof(struct pci_entity, pf_id);
6935
6936 /* Disable the function in the FW */
6937 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6938 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6939 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6940 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6941
6942 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006943 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006944 struct bnx2x_fastpath *fp = &bp->fp[i];
6945 REG_WR8(bp,
6946 BAR_CSTRORM_INTMEM +
6947 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6948 + pfunc_offset_fp + pfid_offset,
6949 HC_FUNCTION_DISABLED);
6950 }
6951
6952 /* SP SB */
6953 REG_WR8(bp,
6954 BAR_CSTRORM_INTMEM +
6955 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6956 pfunc_offset_sp + pfid_offset,
6957 HC_FUNCTION_DISABLED);
6958
6959
6960 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6961 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6962 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006963
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006964 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006965 if (bp->common.int_block == INT_BLOCK_HC) {
6966 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6967 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6968 } else {
6969 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6970 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6971 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006972
Michael Chan37b091b2009-10-10 13:46:55 +00006973#ifdef BCM_CNIC
6974 /* Disable Timer scan */
6975 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6976 /*
6977 * Wait for at least 10ms and up to 2 second for the timers scan to
6978 * complete
6979 */
6980 for (i = 0; i < 200; i++) {
6981 msleep(10);
6982 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6983 break;
6984 }
6985#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006986 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006987 bnx2x_clear_func_ilt(bp, func);
6988
6989 /* Timers workaround bug for E2: if this is vnic-3,
6990 * we need to set the entire ilt range for this timers.
6991 */
6992 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6993 struct ilt_client_info ilt_cli;
6994 /* use dummy TM client */
6995 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6996 ilt_cli.start = 0;
6997 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6998 ilt_cli.client_num = ILT_CLIENT_TM;
6999
7000 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7001 }
7002
7003 /* this assumes that reset_port() called before reset_func()*/
7004 if (CHIP_IS_E2(bp))
7005 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007006
7007 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007008}
7009
7010static void bnx2x_reset_port(struct bnx2x *bp)
7011{
7012 int port = BP_PORT(bp);
7013 u32 val;
7014
7015 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7016
7017 /* Do not rcv packets to BRB */
7018 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7019 /* Do not direct rcv packets that are not for MCP to the BRB */
7020 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7021 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7022
7023 /* Configure AEU */
7024 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7025
7026 msleep(100);
7027 /* Check for BRB port occupancy */
7028 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7029 if (val)
7030 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007031 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007032
7033 /* TODO: Close Doorbell port? */
7034}
7035
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007036static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7037{
7038 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007039 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007040
7041 switch (reset_code) {
7042 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7043 bnx2x_reset_port(bp);
7044 bnx2x_reset_func(bp);
7045 bnx2x_reset_common(bp);
7046 break;
7047
7048 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7049 bnx2x_reset_port(bp);
7050 bnx2x_reset_func(bp);
7051 break;
7052
7053 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7054 bnx2x_reset_func(bp);
7055 break;
7056
7057 default:
7058 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7059 break;
7060 }
7061}
7062
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007063#ifdef BCM_CNIC
7064static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7065{
7066 if (bp->flags & FCOE_MACS_SET) {
7067 if (!IS_MF_SD(bp))
7068 bnx2x_set_fip_eth_mac_addr(bp, 0);
7069
7070 bnx2x_set_all_enode_macs(bp, 0);
7071
7072 bp->flags &= ~FCOE_MACS_SET;
7073 }
7074}
7075#endif
7076
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007077void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007078{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007079 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007080 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007081 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007082
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007083 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007084 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007085 struct bnx2x_fastpath *fp = &bp->fp[i];
7086
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007087 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007088 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007089
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007090 if (!cnt) {
7091 BNX2X_ERR("timeout waiting for queue[%d]\n",
7092 i);
7093#ifdef BNX2X_STOP_ON_ERROR
7094 bnx2x_panic();
7095 return -EBUSY;
7096#else
7097 break;
7098#endif
7099 }
7100 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007101 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007102 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007103 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007104 /* Give HW time to discard old tx messages */
7105 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007106
Yitchak Gertner65abd742008-08-25 15:26:24 -07007107 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007108 /* invalidate mc list,
7109 * wait and poll (interrupts are off)
7110 */
7111 bnx2x_invlidate_e1_mc_list(bp);
7112 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007113
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007114 } else {
Yitchak Gertner65abd742008-08-25 15:26:24 -07007115 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7116
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007117 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007118
7119 for (i = 0; i < MC_HASH_SIZE; i++)
7120 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7121 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007122
Michael Chan993ac7b2009-10-10 13:46:56 +00007123#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007124 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007125#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007126
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007127 if (unload_mode == UNLOAD_NORMAL)
7128 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007129
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007130 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007131 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007132
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007133 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007134 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007135 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007136 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007137 /* The mac address is written to entries 1-4 to
7138 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007139 u8 entry = (BP_E1HVN(bp) + 1)*8;
7140
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007141 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007142 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007143
7144 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7145 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007146 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007147
7148 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007149
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007150 } else
7151 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7152
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007153 /* Close multi and leading connections
7154 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007155 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007156
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007157 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007158#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007159 return;
7160#else
7161 goto unload_error;
7162#endif
7163
7164 rc = bnx2x_func_stop(bp);
7165 if (rc) {
7166 BNX2X_ERR("Function stop failed!\n");
7167#ifdef BNX2X_STOP_ON_ERROR
7168 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007169#else
7170 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007171#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007172 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007173#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007174unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007175#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007176 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007177 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007178 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007179 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7180 "%d, %d, %d\n", BP_PATH(bp),
7181 load_count[BP_PATH(bp)][0],
7182 load_count[BP_PATH(bp)][1],
7183 load_count[BP_PATH(bp)][2]);
7184 load_count[BP_PATH(bp)][0]--;
7185 load_count[BP_PATH(bp)][1 + port]--;
7186 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7187 "%d, %d, %d\n", BP_PATH(bp),
7188 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7189 load_count[BP_PATH(bp)][2]);
7190 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007191 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007192 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007193 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7194 else
7195 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7196 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007197
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007198 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7199 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7200 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007201
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007202 /* Disable HW interrupts, NAPI */
7203 bnx2x_netif_stop(bp, 1);
7204
7205 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007206 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007207
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007208 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007209 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007210
7211 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007212 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007213 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007214
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007215}
7216
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007217void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007218{
7219 u32 val;
7220
7221 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7222
7223 if (CHIP_IS_E1(bp)) {
7224 int port = BP_PORT(bp);
7225 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7226 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7227
7228 val = REG_RD(bp, addr);
7229 val &= ~(0x300);
7230 REG_WR(bp, addr, val);
7231 } else if (CHIP_IS_E1H(bp)) {
7232 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7233 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7234 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7235 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7236 }
7237}
7238
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007239/* Close gates #2, #3 and #4: */
7240static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7241{
7242 u32 val, addr;
7243
7244 /* Gates #2 and #4a are closed/opened for "not E1" only */
7245 if (!CHIP_IS_E1(bp)) {
7246 /* #4 */
7247 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7248 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7249 close ? (val | 0x1) : (val & (~(u32)1)));
7250 /* #2 */
7251 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7252 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7253 close ? (val | 0x1) : (val & (~(u32)1)));
7254 }
7255
7256 /* #3 */
7257 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7258 val = REG_RD(bp, addr);
7259 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7260
7261 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7262 close ? "closing" : "opening");
7263 mmiowb();
7264}
7265
7266#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7267
7268static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7269{
7270 /* Do some magic... */
7271 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7272 *magic_val = val & SHARED_MF_CLP_MAGIC;
7273 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7274}
7275
7276/* Restore the value of the `magic' bit.
7277 *
7278 * @param pdev Device handle.
7279 * @param magic_val Old value of the `magic' bit.
7280 */
7281static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7282{
7283 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007284 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7285 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7286 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7287}
7288
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007289/**
7290 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007291 *
7292 * @param bp
7293 * @param magic_val Old value of 'magic' bit.
7294 */
7295static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7296{
7297 u32 shmem;
7298 u32 validity_offset;
7299
7300 DP(NETIF_MSG_HW, "Starting\n");
7301
7302 /* Set `magic' bit in order to save MF config */
7303 if (!CHIP_IS_E1(bp))
7304 bnx2x_clp_reset_prep(bp, magic_val);
7305
7306 /* Get shmem offset */
7307 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7308 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7309
7310 /* Clear validity map flags */
7311 if (shmem > 0)
7312 REG_WR(bp, shmem + validity_offset, 0);
7313}
7314
7315#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7316#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7317
7318/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7319 * depending on the HW type.
7320 *
7321 * @param bp
7322 */
7323static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7324{
7325 /* special handling for emulation and FPGA,
7326 wait 10 times longer */
7327 if (CHIP_REV_IS_SLOW(bp))
7328 msleep(MCP_ONE_TIMEOUT*10);
7329 else
7330 msleep(MCP_ONE_TIMEOUT);
7331}
7332
7333static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7334{
7335 u32 shmem, cnt, validity_offset, val;
7336 int rc = 0;
7337
7338 msleep(100);
7339
7340 /* Get shmem offset */
7341 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7342 if (shmem == 0) {
7343 BNX2X_ERR("Shmem 0 return failure\n");
7344 rc = -ENOTTY;
7345 goto exit_lbl;
7346 }
7347
7348 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7349
7350 /* Wait for MCP to come up */
7351 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7352 /* TBD: its best to check validity map of last port.
7353 * currently checks on port 0.
7354 */
7355 val = REG_RD(bp, shmem + validity_offset);
7356 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7357 shmem + validity_offset, val);
7358
7359 /* check that shared memory is valid. */
7360 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7361 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7362 break;
7363
7364 bnx2x_mcp_wait_one(bp);
7365 }
7366
7367 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7368
7369 /* Check that shared memory is valid. This indicates that MCP is up. */
7370 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7371 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7372 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7373 rc = -ENOTTY;
7374 goto exit_lbl;
7375 }
7376
7377exit_lbl:
7378 /* Restore the `magic' bit value */
7379 if (!CHIP_IS_E1(bp))
7380 bnx2x_clp_reset_done(bp, magic_val);
7381
7382 return rc;
7383}
7384
7385static void bnx2x_pxp_prep(struct bnx2x *bp)
7386{
7387 if (!CHIP_IS_E1(bp)) {
7388 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7389 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7390 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7391 mmiowb();
7392 }
7393}
7394
7395/*
7396 * Reset the whole chip except for:
7397 * - PCIE core
7398 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7399 * one reset bit)
7400 * - IGU
7401 * - MISC (including AEU)
7402 * - GRC
7403 * - RBCN, RBCP
7404 */
7405static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7406{
7407 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7408
7409 not_reset_mask1 =
7410 MISC_REGISTERS_RESET_REG_1_RST_HC |
7411 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7412 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7413
7414 not_reset_mask2 =
7415 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7416 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7417 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7418 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7419 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7420 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7421 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7422 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7423
7424 reset_mask1 = 0xffffffff;
7425
7426 if (CHIP_IS_E1(bp))
7427 reset_mask2 = 0xffff;
7428 else
7429 reset_mask2 = 0x1ffff;
7430
7431 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7432 reset_mask1 & (~not_reset_mask1));
7433 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7434 reset_mask2 & (~not_reset_mask2));
7435
7436 barrier();
7437 mmiowb();
7438
7439 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7440 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7441 mmiowb();
7442}
7443
7444static int bnx2x_process_kill(struct bnx2x *bp)
7445{
7446 int cnt = 1000;
7447 u32 val = 0;
7448 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7449
7450
7451 /* Empty the Tetris buffer, wait for 1s */
7452 do {
7453 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7454 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7455 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7456 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7457 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7458 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7459 ((port_is_idle_0 & 0x1) == 0x1) &&
7460 ((port_is_idle_1 & 0x1) == 0x1) &&
7461 (pgl_exp_rom2 == 0xffffffff))
7462 break;
7463 msleep(1);
7464 } while (cnt-- > 0);
7465
7466 if (cnt <= 0) {
7467 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7468 " are still"
7469 " outstanding read requests after 1s!\n");
7470 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7471 " port_is_idle_0=0x%08x,"
7472 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7473 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7474 pgl_exp_rom2);
7475 return -EAGAIN;
7476 }
7477
7478 barrier();
7479
7480 /* Close gates #2, #3 and #4 */
7481 bnx2x_set_234_gates(bp, true);
7482
7483 /* TBD: Indicate that "process kill" is in progress to MCP */
7484
7485 /* Clear "unprepared" bit */
7486 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7487 barrier();
7488
7489 /* Make sure all is written to the chip before the reset */
7490 mmiowb();
7491
7492 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7493 * PSWHST, GRC and PSWRD Tetris buffer.
7494 */
7495 msleep(1);
7496
7497 /* Prepare to chip reset: */
7498 /* MCP */
7499 bnx2x_reset_mcp_prep(bp, &val);
7500
7501 /* PXP */
7502 bnx2x_pxp_prep(bp);
7503 barrier();
7504
7505 /* reset the chip */
7506 bnx2x_process_kill_chip_reset(bp);
7507 barrier();
7508
7509 /* Recover after reset: */
7510 /* MCP */
7511 if (bnx2x_reset_mcp_comp(bp, val))
7512 return -EAGAIN;
7513
7514 /* PXP */
7515 bnx2x_pxp_prep(bp);
7516
7517 /* Open the gates #2, #3 and #4 */
7518 bnx2x_set_234_gates(bp, false);
7519
7520 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7521 * reset state, re-enable attentions. */
7522
7523 return 0;
7524}
7525
7526static int bnx2x_leader_reset(struct bnx2x *bp)
7527{
7528 int rc = 0;
7529 /* Try to recover after the failure */
7530 if (bnx2x_process_kill(bp)) {
7531 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7532 bp->dev->name);
7533 rc = -EAGAIN;
7534 goto exit_leader_reset;
7535 }
7536
7537 /* Clear "reset is in progress" bit and update the driver state */
7538 bnx2x_set_reset_done(bp);
7539 bp->recovery_state = BNX2X_RECOVERY_DONE;
7540
7541exit_leader_reset:
7542 bp->is_leader = 0;
7543 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7544 smp_wmb();
7545 return rc;
7546}
7547
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007548/* Assumption: runs under rtnl lock. This together with the fact
7549 * that it's called only from bnx2x_reset_task() ensure that it
7550 * will never be called when netif_running(bp->dev) is false.
7551 */
7552static void bnx2x_parity_recover(struct bnx2x *bp)
7553{
7554 DP(NETIF_MSG_HW, "Handling parity\n");
7555 while (1) {
7556 switch (bp->recovery_state) {
7557 case BNX2X_RECOVERY_INIT:
7558 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7559 /* Try to get a LEADER_LOCK HW lock */
7560 if (bnx2x_trylock_hw_lock(bp,
7561 HW_LOCK_RESOURCE_RESERVED_08))
7562 bp->is_leader = 1;
7563
7564 /* Stop the driver */
7565 /* If interface has been removed - break */
7566 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7567 return;
7568
7569 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7570 /* Ensure "is_leader" and "recovery_state"
7571 * update values are seen on other CPUs
7572 */
7573 smp_wmb();
7574 break;
7575
7576 case BNX2X_RECOVERY_WAIT:
7577 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7578 if (bp->is_leader) {
7579 u32 load_counter = bnx2x_get_load_cnt(bp);
7580 if (load_counter) {
7581 /* Wait until all other functions get
7582 * down.
7583 */
7584 schedule_delayed_work(&bp->reset_task,
7585 HZ/10);
7586 return;
7587 } else {
7588 /* If all other functions got down -
7589 * try to bring the chip back to
7590 * normal. In any case it's an exit
7591 * point for a leader.
7592 */
7593 if (bnx2x_leader_reset(bp) ||
7594 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7595 printk(KERN_ERR"%s: Recovery "
7596 "has failed. Power cycle is "
7597 "needed.\n", bp->dev->name);
7598 /* Disconnect this device */
7599 netif_device_detach(bp->dev);
7600 /* Block ifup for all function
7601 * of this ASIC until
7602 * "process kill" or power
7603 * cycle.
7604 */
7605 bnx2x_set_reset_in_progress(bp);
7606 /* Shut down the power */
7607 bnx2x_set_power_state(bp,
7608 PCI_D3hot);
7609 return;
7610 }
7611
7612 return;
7613 }
7614 } else { /* non-leader */
7615 if (!bnx2x_reset_is_done(bp)) {
7616 /* Try to get a LEADER_LOCK HW lock as
7617 * long as a former leader may have
7618 * been unloaded by the user or
7619 * released a leadership by another
7620 * reason.
7621 */
7622 if (bnx2x_trylock_hw_lock(bp,
7623 HW_LOCK_RESOURCE_RESERVED_08)) {
7624 /* I'm a leader now! Restart a
7625 * switch case.
7626 */
7627 bp->is_leader = 1;
7628 break;
7629 }
7630
7631 schedule_delayed_work(&bp->reset_task,
7632 HZ/10);
7633 return;
7634
7635 } else { /* A leader has completed
7636 * the "process kill". It's an exit
7637 * point for a non-leader.
7638 */
7639 bnx2x_nic_load(bp, LOAD_NORMAL);
7640 bp->recovery_state =
7641 BNX2X_RECOVERY_DONE;
7642 smp_wmb();
7643 return;
7644 }
7645 }
7646 default:
7647 return;
7648 }
7649 }
7650}
7651
7652/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7653 * scheduled on a general queue in order to prevent a dead lock.
7654 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007655static void bnx2x_reset_task(struct work_struct *work)
7656{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007657 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007658
7659#ifdef BNX2X_STOP_ON_ERROR
7660 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7661 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007662 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007663 return;
7664#endif
7665
7666 rtnl_lock();
7667
7668 if (!netif_running(bp->dev))
7669 goto reset_task_exit;
7670
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007671 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7672 bnx2x_parity_recover(bp);
7673 else {
7674 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7675 bnx2x_nic_load(bp, LOAD_NORMAL);
7676 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007677
7678reset_task_exit:
7679 rtnl_unlock();
7680}
7681
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007682/* end of nic load/unload */
7683
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007684/*
7685 * Init service functions
7686 */
7687
stephen hemminger8d962862010-10-21 07:50:56 +00007688static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007689{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007690 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7691 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7692 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007693}
7694
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007695static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007696{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007697 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007698
7699 /* Flush all outstanding writes */
7700 mmiowb();
7701
7702 /* Pretend to be function 0 */
7703 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007704 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007705
7706 /* From now we are in the "like-E1" mode */
7707 bnx2x_int_disable(bp);
7708
7709 /* Flush all outstanding writes */
7710 mmiowb();
7711
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007712 /* Restore the original function */
7713 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7714 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007715}
7716
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007717static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007718{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007719 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007720 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007721 else
7722 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007723}
7724
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007725static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007726{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007727 u32 val;
7728
7729 /* Check if there is any driver already loaded */
7730 val = REG_RD(bp, MISC_REG_UNPREPARED);
7731 if (val == 0x1) {
7732 /* Check if it is the UNDI driver
7733 * UNDI driver initializes CID offset for normal bell to 0x7
7734 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007735 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007736 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7737 if (val == 0x7) {
7738 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007739 /* save our pf_num */
7740 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007741 u32 swap_en;
7742 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007743
Eilon Greensteinb4661732009-01-14 06:43:56 +00007744 /* clear the UNDI indication */
7745 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7746
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007747 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7748
7749 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007750 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007751 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007752 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007753 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007754 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007755
7756 /* if UNDI is loaded on the other port */
7757 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7758
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007759 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007760 bnx2x_fw_command(bp,
7761 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007762
7763 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007764 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007765 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007766 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007767 DRV_MSG_SEQ_NUMBER_MASK);
7768 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007769
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007770 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007771 }
7772
Eilon Greensteinb4661732009-01-14 06:43:56 +00007773 /* now it's safe to release the lock */
7774 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7775
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007776 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007777
7778 /* close input traffic and wait for it */
7779 /* Do not rcv packets to BRB */
7780 REG_WR(bp,
7781 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7782 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7783 /* Do not direct rcv packets that are not for MCP to
7784 * the BRB */
7785 REG_WR(bp,
7786 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7787 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7788 /* clear AEU */
7789 REG_WR(bp,
7790 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7791 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7792 msleep(10);
7793
7794 /* save NIG port swap info */
7795 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7796 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007797 /* reset device */
7798 REG_WR(bp,
7799 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007800 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007801 REG_WR(bp,
7802 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7803 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007804 /* take the NIG out of reset and restore swap values */
7805 REG_WR(bp,
7806 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7807 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7808 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7809 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7810
7811 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007812 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007813
7814 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007815 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007816 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007817 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007818 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007819 } else
7820 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007821 }
7822}
7823
7824static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7825{
7826 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007827 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007828
7829 /* Get the chip revision id and number. */
7830 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7831 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7832 id = ((val & 0xffff) << 16);
7833 val = REG_RD(bp, MISC_REG_CHIP_REV);
7834 id |= ((val & 0xf) << 12);
7835 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7836 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007837 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007838 id |= (val & 0xf);
7839 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007840
7841 /* Set doorbell size */
7842 bp->db_size = (1 << BNX2X_DB_SHIFT);
7843
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007844 if (CHIP_IS_E2(bp)) {
7845 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7846 if ((val & 1) == 0)
7847 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7848 else
7849 val = (val >> 1) & 1;
7850 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7851 "2_PORT_MODE");
7852 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7853 CHIP_2_PORT_MODE;
7854
7855 if (CHIP_MODE_IS_4_PORT(bp))
7856 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7857 else
7858 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7859 } else {
7860 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7861 bp->pfid = bp->pf_num; /* 0..7 */
7862 }
7863
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007864 /*
7865 * set base FW non-default (fast path) status block id, this value is
7866 * used to initialize the fw_sb_id saved on the fp/queue structure to
7867 * determine the id used by the FW.
7868 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007869 if (CHIP_IS_E1x(bp))
7870 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7871 else /* E2 */
7872 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7873
7874 bp->link_params.chip_id = bp->common.chip_id;
7875 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007876
Eilon Greenstein1c063282009-02-12 08:36:43 +00007877 val = (REG_RD(bp, 0x2874) & 0x55);
7878 if ((bp->common.chip_id & 0x1) ||
7879 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7880 bp->flags |= ONE_PORT_FLAG;
7881 BNX2X_DEV_INFO("single port device\n");
7882 }
7883
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007884 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7885 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7886 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7887 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7888 bp->common.flash_size, bp->common.flash_size);
7889
7890 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007891 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7892 MISC_REG_GENERIC_CR_1 :
7893 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007894 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007895 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007896 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7897 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007898
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007899 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007900 BNX2X_DEV_INFO("MCP not active\n");
7901 bp->flags |= NO_MCP_FLAG;
7902 return;
7903 }
7904
7905 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7906 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7907 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007908 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007909
7910 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007911 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007912
7913 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7914 SHARED_HW_CFG_LED_MODE_MASK) >>
7915 SHARED_HW_CFG_LED_MODE_SHIFT);
7916
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007917 bp->link_params.feature_config_flags = 0;
7918 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7919 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7920 bp->link_params.feature_config_flags |=
7921 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7922 else
7923 bp->link_params.feature_config_flags &=
7924 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7925
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007926 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7927 bp->common.bc_ver = val;
7928 BNX2X_DEV_INFO("bc_ver %X\n", val);
7929 if (val < BNX2X_BC_VER) {
7930 /* for now only warn
7931 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007932 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7933 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007934 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007935 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007936 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007937 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7938
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007939 bp->link_params.feature_config_flags |=
7940 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7941 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007942
7943 if (BP_E1HVN(bp) == 0) {
7944 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7945 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7946 } else {
7947 /* no WOL capability for E1HVN != 0 */
7948 bp->flags |= NO_WOL_FLAG;
7949 }
7950 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007951 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007952
7953 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7954 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7955 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7956 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7957
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007958 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7959 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007960}
7961
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007962#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7963#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7964
7965static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7966{
7967 int pfid = BP_FUNC(bp);
7968 int vn = BP_E1HVN(bp);
7969 int igu_sb_id;
7970 u32 val;
7971 u8 fid;
7972
7973 bp->igu_base_sb = 0xff;
7974 bp->igu_sb_cnt = 0;
7975 if (CHIP_INT_MODE_IS_BC(bp)) {
7976 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007977 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007978
7979 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7980 FP_SB_MAX_E1x;
7981
7982 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7983 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7984
7985 return;
7986 }
7987
7988 /* IGU in normal mode - read CAM */
7989 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7990 igu_sb_id++) {
7991 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7992 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7993 continue;
7994 fid = IGU_FID(val);
7995 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7996 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7997 continue;
7998 if (IGU_VEC(val) == 0)
7999 /* default status block */
8000 bp->igu_dsb_id = igu_sb_id;
8001 else {
8002 if (bp->igu_base_sb == 0xff)
8003 bp->igu_base_sb = igu_sb_id;
8004 bp->igu_sb_cnt++;
8005 }
8006 }
8007 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008008 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8009 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008010 if (bp->igu_sb_cnt == 0)
8011 BNX2X_ERR("CAM configuration error\n");
8012}
8013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008014static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8015 u32 switch_cfg)
8016{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008017 int cfg_size = 0, idx, port = BP_PORT(bp);
8018
8019 /* Aggregation of supported attributes of all external phys */
8020 bp->port.supported[0] = 0;
8021 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008022 switch (bp->link_params.num_phys) {
8023 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008024 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8025 cfg_size = 1;
8026 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008027 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008028 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8029 cfg_size = 1;
8030 break;
8031 case 3:
8032 if (bp->link_params.multi_phy_config &
8033 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8034 bp->port.supported[1] =
8035 bp->link_params.phy[EXT_PHY1].supported;
8036 bp->port.supported[0] =
8037 bp->link_params.phy[EXT_PHY2].supported;
8038 } else {
8039 bp->port.supported[0] =
8040 bp->link_params.phy[EXT_PHY1].supported;
8041 bp->port.supported[1] =
8042 bp->link_params.phy[EXT_PHY2].supported;
8043 }
8044 cfg_size = 2;
8045 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008046 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008047
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008048 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008049 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008050 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008051 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008052 dev_info.port_hw_config[port].external_phy_config),
8053 SHMEM_RD(bp,
8054 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008055 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008056 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008057
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008058 switch (switch_cfg) {
8059 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008060 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8061 port*0x10);
8062 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008063 break;
8064
8065 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008066 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8067 port*0x18);
8068 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008069 break;
8070
8071 default:
8072 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008073 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008074 return;
8075 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008076 /* mask what we support according to speed_cap_mask per configuration */
8077 for (idx = 0; idx < cfg_size; idx++) {
8078 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008079 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008080 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008081
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008082 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008083 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008084 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008085
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008086 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008087 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008088 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008089
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008090 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008091 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008092 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008093
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008094 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008095 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008096 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008097 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008098
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008099 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008100 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008101 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008102
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008103 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008104 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008105 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008106
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008107 }
8108
8109 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8110 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008111}
8112
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008113static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008114{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008115 u32 link_config, idx, cfg_size = 0;
8116 bp->port.advertising[0] = 0;
8117 bp->port.advertising[1] = 0;
8118 switch (bp->link_params.num_phys) {
8119 case 1:
8120 case 2:
8121 cfg_size = 1;
8122 break;
8123 case 3:
8124 cfg_size = 2;
8125 break;
8126 }
8127 for (idx = 0; idx < cfg_size; idx++) {
8128 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8129 link_config = bp->port.link_config[idx];
8130 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008131 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008132 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8133 bp->link_params.req_line_speed[idx] =
8134 SPEED_AUTO_NEG;
8135 bp->port.advertising[idx] |=
8136 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008137 } else {
8138 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008139 bp->link_params.req_line_speed[idx] =
8140 SPEED_10000;
8141 bp->port.advertising[idx] |=
8142 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008143 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008144 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008145 }
8146 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008147
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008148 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008149 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8150 bp->link_params.req_line_speed[idx] =
8151 SPEED_10;
8152 bp->port.advertising[idx] |=
8153 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008154 ADVERTISED_TP);
8155 } else {
8156 BNX2X_ERROR("NVRAM config error. "
8157 "Invalid link_config 0x%x"
8158 " speed_cap_mask 0x%x\n",
8159 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008160 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008161 return;
8162 }
8163 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008164
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008165 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008166 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8167 bp->link_params.req_line_speed[idx] =
8168 SPEED_10;
8169 bp->link_params.req_duplex[idx] =
8170 DUPLEX_HALF;
8171 bp->port.advertising[idx] |=
8172 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008173 ADVERTISED_TP);
8174 } else {
8175 BNX2X_ERROR("NVRAM config error. "
8176 "Invalid link_config 0x%x"
8177 " speed_cap_mask 0x%x\n",
8178 link_config,
8179 bp->link_params.speed_cap_mask[idx]);
8180 return;
8181 }
8182 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008183
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008184 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8185 if (bp->port.supported[idx] &
8186 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008187 bp->link_params.req_line_speed[idx] =
8188 SPEED_100;
8189 bp->port.advertising[idx] |=
8190 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008191 ADVERTISED_TP);
8192 } else {
8193 BNX2X_ERROR("NVRAM config error. "
8194 "Invalid link_config 0x%x"
8195 " speed_cap_mask 0x%x\n",
8196 link_config,
8197 bp->link_params.speed_cap_mask[idx]);
8198 return;
8199 }
8200 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008201
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008202 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8203 if (bp->port.supported[idx] &
8204 SUPPORTED_100baseT_Half) {
8205 bp->link_params.req_line_speed[idx] =
8206 SPEED_100;
8207 bp->link_params.req_duplex[idx] =
8208 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008209 bp->port.advertising[idx] |=
8210 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008211 ADVERTISED_TP);
8212 } else {
8213 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008214 "Invalid link_config 0x%x"
8215 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008216 link_config,
8217 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008218 return;
8219 }
8220 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008221
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008222 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008223 if (bp->port.supported[idx] &
8224 SUPPORTED_1000baseT_Full) {
8225 bp->link_params.req_line_speed[idx] =
8226 SPEED_1000;
8227 bp->port.advertising[idx] |=
8228 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008229 ADVERTISED_TP);
8230 } else {
8231 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008232 "Invalid link_config 0x%x"
8233 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008234 link_config,
8235 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008236 return;
8237 }
8238 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008239
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008240 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008241 if (bp->port.supported[idx] &
8242 SUPPORTED_2500baseX_Full) {
8243 bp->link_params.req_line_speed[idx] =
8244 SPEED_2500;
8245 bp->port.advertising[idx] |=
8246 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008247 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008248 } else {
8249 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008250 "Invalid link_config 0x%x"
8251 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008252 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008253 bp->link_params.speed_cap_mask[idx]);
8254 return;
8255 }
8256 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008257
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008258 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8259 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8260 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008261 if (bp->port.supported[idx] &
8262 SUPPORTED_10000baseT_Full) {
8263 bp->link_params.req_line_speed[idx] =
8264 SPEED_10000;
8265 bp->port.advertising[idx] |=
8266 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008267 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008268 } else {
8269 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008270 "Invalid link_config 0x%x"
8271 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008272 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008273 bp->link_params.speed_cap_mask[idx]);
8274 return;
8275 }
8276 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008277
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008278 default:
8279 BNX2X_ERROR("NVRAM config error. "
8280 "BAD link speed link_config 0x%x\n",
8281 link_config);
8282 bp->link_params.req_line_speed[idx] =
8283 SPEED_AUTO_NEG;
8284 bp->port.advertising[idx] =
8285 bp->port.supported[idx];
8286 break;
8287 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008288
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008289 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008290 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008291 if ((bp->link_params.req_flow_ctrl[idx] ==
8292 BNX2X_FLOW_CTRL_AUTO) &&
8293 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8294 bp->link_params.req_flow_ctrl[idx] =
8295 BNX2X_FLOW_CTRL_NONE;
8296 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008297
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008298 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8299 " 0x%x advertising 0x%x\n",
8300 bp->link_params.req_line_speed[idx],
8301 bp->link_params.req_duplex[idx],
8302 bp->link_params.req_flow_ctrl[idx],
8303 bp->port.advertising[idx]);
8304 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008305}
8306
Michael Chane665bfd2009-10-10 13:46:54 +00008307static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8308{
8309 mac_hi = cpu_to_be16(mac_hi);
8310 mac_lo = cpu_to_be32(mac_lo);
8311 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8312 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8313}
8314
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008315static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008316{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008317 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008318 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008319 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008320
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008321 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008322 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008323
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008324 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008325 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008326
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008327 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008328 SHMEM_RD(bp,
8329 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008330 bp->link_params.speed_cap_mask[1] =
8331 SHMEM_RD(bp,
8332 dev_info.port_hw_config[port].speed_capability_mask2);
8333 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008334 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8335
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008336 bp->port.link_config[1] =
8337 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008338
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008339 bp->link_params.multi_phy_config =
8340 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008341 /* If the device is capable of WoL, set the default state according
8342 * to the HW
8343 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008344 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008345 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8346 (config & PORT_FEATURE_WOL_ENABLED));
8347
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008348 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008349 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008350 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008351 bp->link_params.speed_cap_mask[0],
8352 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008353
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008354 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008355 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008356 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008357 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008358
8359 bnx2x_link_settings_requested(bp);
8360
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008361 /*
8362 * If connected directly, work with the internal PHY, otherwise, work
8363 * with the external PHY
8364 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008365 ext_phy_config =
8366 SHMEM_RD(bp,
8367 dev_info.port_hw_config[port].external_phy_config);
8368 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008369 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008370 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008371
8372 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8373 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8374 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008375 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008376
8377 /*
8378 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8379 * In MF mode, it is set to cover self test cases
8380 */
8381 if (IS_MF(bp))
8382 bp->port.need_hw_lock = 1;
8383 else
8384 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8385 bp->common.shmem_base,
8386 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008387}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008388
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008389#ifdef BCM_CNIC
8390static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8391{
8392 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8393 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8394 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8395 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8396
8397 /* Get the number of maximum allowed iSCSI and FCoE connections */
8398 bp->cnic_eth_dev.max_iscsi_conn =
8399 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8400 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8401
8402 bp->cnic_eth_dev.max_fcoe_conn =
8403 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8404 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8405
8406 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8407 bp->cnic_eth_dev.max_iscsi_conn,
8408 bp->cnic_eth_dev.max_fcoe_conn);
8409
8410 /* If mamimum allowed number of connections is zero -
8411 * disable the feature.
8412 */
8413 if (!bp->cnic_eth_dev.max_iscsi_conn)
8414 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8415
8416 if (!bp->cnic_eth_dev.max_fcoe_conn)
8417 bp->flags |= NO_FCOE_FLAG;
8418}
8419#endif
8420
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008421static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8422{
8423 u32 val, val2;
8424 int func = BP_ABS_FUNC(bp);
8425 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008426#ifdef BCM_CNIC
8427 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8428 u8 *fip_mac = bp->fip_mac;
8429#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008430
8431 if (BP_NOMCP(bp)) {
8432 BNX2X_ERROR("warning: random MAC workaround active\n");
8433 random_ether_addr(bp->dev->dev_addr);
8434 } else if (IS_MF(bp)) {
8435 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8436 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8437 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8438 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8439 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8440
8441#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008442 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8443 * FCoE MAC then the appropriate feature should be disabled.
8444 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008445 if (IS_MF_SI(bp)) {
8446 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8447 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8448 val2 = MF_CFG_RD(bp, func_ext_config[func].
8449 iscsi_mac_addr_upper);
8450 val = MF_CFG_RD(bp, func_ext_config[func].
8451 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008452 BNX2X_DEV_INFO("Read iSCSI MAC: "
8453 "0x%x:0x%04x\n", val2, val);
8454 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8455
8456 /* Disable iSCSI OOO if MAC configuration is
8457 * invalid.
8458 */
8459 if (!is_valid_ether_addr(iscsi_mac)) {
8460 bp->flags |= NO_ISCSI_OOO_FLAG |
8461 NO_ISCSI_FLAG;
8462 memset(iscsi_mac, 0, ETH_ALEN);
8463 }
8464 } else
8465 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8466
8467 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8468 val2 = MF_CFG_RD(bp, func_ext_config[func].
8469 fcoe_mac_addr_upper);
8470 val = MF_CFG_RD(bp, func_ext_config[func].
8471 fcoe_mac_addr_lower);
8472 BNX2X_DEV_INFO("Read FCoE MAC to "
8473 "0x%x:0x%04x\n", val2, val);
8474 bnx2x_set_mac_buf(fip_mac, val, val2);
8475
8476 /* Disable FCoE if MAC configuration is
8477 * invalid.
8478 */
8479 if (!is_valid_ether_addr(fip_mac)) {
8480 bp->flags |= NO_FCOE_FLAG;
8481 memset(bp->fip_mac, 0, ETH_ALEN);
8482 }
8483 } else
8484 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008485 }
8486#endif
8487 } else {
8488 /* in SF read MACs from port configuration */
8489 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8490 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8491 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8492
8493#ifdef BCM_CNIC
8494 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8495 iscsi_mac_upper);
8496 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8497 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008498 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008499#endif
8500 }
8501
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008502 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8503 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008504
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008505#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008506 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008507 if (!CHIP_IS_E1x(bp)) {
8508 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008509 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8510 else if (!IS_MF(bp))
8511 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008512 }
8513#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008514}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008515
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008516static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8517{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008518 int /*abs*/func = BP_ABS_FUNC(bp);
8519 int vn, port;
8520 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008521 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008522
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008523 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008524
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008525 if (CHIP_IS_E1x(bp)) {
8526 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008527
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008528 bp->igu_dsb_id = DEF_SB_IGU_ID;
8529 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008530 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8531 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008532 } else {
8533 bp->common.int_block = INT_BLOCK_IGU;
8534 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8535 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8536 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8537 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8538 } else
8539 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8540
8541 bnx2x_get_igu_cam_info(bp);
8542
8543 }
8544 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8545 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8546
8547 /*
8548 * Initialize MF configuration
8549 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008550
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008551 bp->mf_ov = 0;
8552 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008553 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008554 port = BP_PORT(bp);
8555
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008556 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008557 DP(NETIF_MSG_PROBE,
8558 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8559 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8560 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008561 if (SHMEM2_HAS(bp, mf_cfg_addr))
8562 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8563 else
8564 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008565 offsetof(struct shmem_region, func_mb) +
8566 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008567 /*
8568 * get mf configuration:
8569 * 1. existance of MF configuration
8570 * 2. MAC address must be legal (check only upper bytes)
8571 * for Switch-Independent mode;
8572 * OVLAN must be legal for Switch-Dependent mode
8573 * 3. SF_MODE configures specific MF mode
8574 */
8575 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8576 /* get mf configuration */
8577 val = SHMEM_RD(bp,
8578 dev_info.shared_feature_config.config);
8579 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008580
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008581 switch (val) {
8582 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8583 val = MF_CFG_RD(bp, func_mf_config[func].
8584 mac_upper);
8585 /* check for legal mac (upper bytes)*/
8586 if (val != 0xffff) {
8587 bp->mf_mode = MULTI_FUNCTION_SI;
8588 bp->mf_config[vn] = MF_CFG_RD(bp,
8589 func_mf_config[func].config);
8590 } else
8591 DP(NETIF_MSG_PROBE, "illegal MAC "
8592 "address for SI\n");
8593 break;
8594 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8595 /* get OV configuration */
8596 val = MF_CFG_RD(bp,
8597 func_mf_config[FUNC_0].e1hov_tag);
8598 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8599
8600 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8601 bp->mf_mode = MULTI_FUNCTION_SD;
8602 bp->mf_config[vn] = MF_CFG_RD(bp,
8603 func_mf_config[func].config);
8604 } else
8605 DP(NETIF_MSG_PROBE, "illegal OV for "
8606 "SD\n");
8607 break;
8608 default:
8609 /* Unknown configuration: reset mf_config */
8610 bp->mf_config[vn] = 0;
8611 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8612 val);
8613 }
8614 }
8615
Eilon Greenstein2691d512009-08-12 08:22:08 +00008616 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008617 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008618
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008619 switch (bp->mf_mode) {
8620 case MULTI_FUNCTION_SD:
8621 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8622 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008623 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008624 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008625 BNX2X_DEV_INFO("MF OV for func %d is %d"
8626 " (0x%04x)\n", func,
8627 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008628 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008629 BNX2X_ERR("No valid MF OV for func %d,"
8630 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008631 rc = -EPERM;
8632 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008633 break;
8634 case MULTI_FUNCTION_SI:
8635 BNX2X_DEV_INFO("func %d is in MF "
8636 "switch-independent mode\n", func);
8637 break;
8638 default:
8639 if (vn) {
8640 BNX2X_ERR("VN %d in single function mode,"
8641 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008642 rc = -EPERM;
8643 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008644 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008645 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008646
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008647 }
8648
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008649 /* adjust igu_sb_cnt to MF for E1x */
8650 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008651 bp->igu_sb_cnt /= E1HVN_MAX;
8652
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008653 /*
8654 * adjust E2 sb count: to be removed when FW will support
8655 * more then 16 L2 clients
8656 */
8657#define MAX_L2_CLIENTS 16
8658 if (CHIP_IS_E2(bp))
8659 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8660 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8661
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008662 if (!BP_NOMCP(bp)) {
8663 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008665 bp->fw_seq =
8666 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8667 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008668 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8669 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008670
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008671 /* Get MAC addresses */
8672 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008673
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008674#ifdef BCM_CNIC
8675 bnx2x_get_cnic_info(bp);
8676#endif
8677
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008678 return rc;
8679}
8680
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008681static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8682{
8683 int cnt, i, block_end, rodi;
8684 char vpd_data[BNX2X_VPD_LEN+1];
8685 char str_id_reg[VENDOR_ID_LEN+1];
8686 char str_id_cap[VENDOR_ID_LEN+1];
8687 u8 len;
8688
8689 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8690 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8691
8692 if (cnt < BNX2X_VPD_LEN)
8693 goto out_not_found;
8694
8695 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8696 PCI_VPD_LRDT_RO_DATA);
8697 if (i < 0)
8698 goto out_not_found;
8699
8700
8701 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8702 pci_vpd_lrdt_size(&vpd_data[i]);
8703
8704 i += PCI_VPD_LRDT_TAG_SIZE;
8705
8706 if (block_end > BNX2X_VPD_LEN)
8707 goto out_not_found;
8708
8709 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8710 PCI_VPD_RO_KEYWORD_MFR_ID);
8711 if (rodi < 0)
8712 goto out_not_found;
8713
8714 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8715
8716 if (len != VENDOR_ID_LEN)
8717 goto out_not_found;
8718
8719 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8720
8721 /* vendor specific info */
8722 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8723 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8724 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8725 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8726
8727 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8728 PCI_VPD_RO_KEYWORD_VENDOR0);
8729 if (rodi >= 0) {
8730 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8731
8732 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8733
8734 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8735 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8736 bp->fw_ver[len] = ' ';
8737 }
8738 }
8739 return;
8740 }
8741out_not_found:
8742 return;
8743}
8744
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008745static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8746{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008747 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008748 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008749 int rc;
8750
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008751 /* Disable interrupt handling until HW is initialized */
8752 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008753 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008754
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008755 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008756 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008757 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008758#ifdef BCM_CNIC
8759 mutex_init(&bp->cnic_mutex);
8760#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008761
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008762 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008763 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008764
8765 rc = bnx2x_get_hwinfo(bp);
8766
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008767 if (!rc)
8768 rc = bnx2x_alloc_mem_bp(bp);
8769
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008770 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008771
8772 func = BP_FUNC(bp);
8773
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008774 /* need to reset chip if undi was active */
8775 if (!BP_NOMCP(bp))
8776 bnx2x_undi_unload(bp);
8777
8778 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008779 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008780
8781 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008782 dev_err(&bp->pdev->dev, "MCP disabled, "
8783 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008784
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008785 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008786 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008787
Dmitry Kravkov4fd89b7a2010-04-01 19:45:34 -07008788 bp->dev->features |= NETIF_F_GRO;
8789
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008790 /* Set TPA flags */
8791 if (disable_tpa) {
8792 bp->flags &= ~TPA_ENABLE_FLAG;
8793 bp->dev->features &= ~NETIF_F_LRO;
8794 } else {
8795 bp->flags |= TPA_ENABLE_FLAG;
8796 bp->dev->features |= NETIF_F_LRO;
8797 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008798 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008799
Eilon Greensteina18f5122009-08-12 08:23:26 +00008800 if (CHIP_IS_E1(bp))
8801 bp->dropless_fc = 0;
8802 else
8803 bp->dropless_fc = dropless_fc;
8804
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008805 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008806
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008807 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008808
8809 bp->rx_csum = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008810
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008811 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008812 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8813 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008814
Eilon Greenstein87942b42009-02-12 08:36:49 +00008815 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8816 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008817
8818 init_timer(&bp->timer);
8819 bp->timer.expires = jiffies + bp->current_interval;
8820 bp->timer.data = (unsigned long) bp;
8821 bp->timer.function = bnx2x_timer;
8822
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008823 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008824 bnx2x_dcbx_init_params(bp);
8825
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008826 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008827}
8828
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008829
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008830/****************************************************************************
8831* General service functions
8832****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008833
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008834/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008835static int bnx2x_open(struct net_device *dev)
8836{
8837 struct bnx2x *bp = netdev_priv(dev);
8838
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008839 netif_carrier_off(dev);
8840
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008841 bnx2x_set_power_state(bp, PCI_D0);
8842
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008843 if (!bnx2x_reset_is_done(bp)) {
8844 do {
8845 /* Reset MCP mail box sequence if there is on going
8846 * recovery
8847 */
8848 bp->fw_seq = 0;
8849
8850 /* If it's the first function to load and reset done
8851 * is still not cleared it may mean that. We don't
8852 * check the attention state here because it may have
8853 * already been cleared by a "common" reset but we
8854 * shell proceed with "process kill" anyway.
8855 */
8856 if ((bnx2x_get_load_cnt(bp) == 0) &&
8857 bnx2x_trylock_hw_lock(bp,
8858 HW_LOCK_RESOURCE_RESERVED_08) &&
8859 (!bnx2x_leader_reset(bp))) {
8860 DP(NETIF_MSG_HW, "Recovered in open\n");
8861 break;
8862 }
8863
8864 bnx2x_set_power_state(bp, PCI_D3hot);
8865
8866 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8867 " completed yet. Try again later. If u still see this"
8868 " message after a few retries then power cycle is"
8869 " required.\n", bp->dev->name);
8870
8871 return -EAGAIN;
8872 } while (0);
8873 }
8874
8875 bp->recovery_state = BNX2X_RECOVERY_DONE;
8876
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008877 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008878}
8879
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008880/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008881static int bnx2x_close(struct net_device *dev)
8882{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008883 struct bnx2x *bp = netdev_priv(dev);
8884
8885 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008886 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008887 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008888
8889 return 0;
8890}
8891
Eilon Greensteinf5372252009-02-12 08:38:30 +00008892/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008893void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008894{
8895 struct bnx2x *bp = netdev_priv(dev);
8896 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8897 int port = BP_PORT(bp);
8898
8899 if (bp->state != BNX2X_STATE_OPEN) {
8900 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8901 return;
8902 }
8903
8904 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8905
8906 if (dev->flags & IFF_PROMISC)
8907 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008908 else if ((dev->flags & IFF_ALLMULTI) ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00008909 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8910 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008911 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008912 else { /* some multicasts */
8913 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008914 /*
8915 * set mc list, do not wait as wait implies sleep
8916 * and set_rx_mode can be invoked from non-sleepable
8917 * context
8918 */
8919 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8920 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8921 BNX2X_MAX_MULTICAST*(1 + port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008922
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008923 bnx2x_set_e1_mc_list(bp, offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008924 } else { /* E1H */
8925 /* Accept one or more multicasts */
Jiri Pirko22bedad32010-04-01 21:22:57 +00008926 struct netdev_hw_addr *ha;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008927 u32 mc_filter[MC_HASH_SIZE];
8928 u32 crc, bit, regidx;
8929 int i;
8930
8931 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8932
Jiri Pirko22bedad32010-04-01 21:22:57 +00008933 netdev_for_each_mc_addr(ha, dev) {
Johannes Berg7c510e42008-10-27 17:47:26 -07008934 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008935 bnx2x_mc_addr(ha));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008936
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008937 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8938 ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008939 bit = (crc >> 24) & 0xff;
8940 regidx = bit >> 5;
8941 bit &= 0x1f;
8942 mc_filter[regidx] |= (1 << bit);
8943 }
8944
8945 for (i = 0; i < MC_HASH_SIZE; i++)
8946 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8947 mc_filter[i]);
8948 }
8949 }
8950
8951 bp->rx_mode = rx_mode;
8952 bnx2x_set_storm_rx_mode(bp);
8953}
8954
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008955/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008956static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8957 int devad, u16 addr)
8958{
8959 struct bnx2x *bp = netdev_priv(netdev);
8960 u16 value;
8961 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008962
8963 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8964 prtad, devad, addr);
8965
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008966 /* The HW expects different devad if CL22 is used */
8967 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8968
8969 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008970 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008971 bnx2x_release_phy_lock(bp);
8972 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8973
8974 if (!rc)
8975 rc = value;
8976 return rc;
8977}
8978
8979/* called with rtnl_lock */
8980static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8981 u16 addr, u16 value)
8982{
8983 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008984 int rc;
8985
8986 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8987 " value 0x%x\n", prtad, devad, addr, value);
8988
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008989 /* The HW expects different devad if CL22 is used */
8990 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8991
8992 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008993 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008994 bnx2x_release_phy_lock(bp);
8995 return rc;
8996}
8997
8998/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008999static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9000{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009001 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009002 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009003
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009004 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9005 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009006
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009007 if (!netif_running(dev))
9008 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009009
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009010 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009011}
9012
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009013#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009014static void poll_bnx2x(struct net_device *dev)
9015{
9016 struct bnx2x *bp = netdev_priv(dev);
9017
9018 disable_irq(bp->pdev->irq);
9019 bnx2x_interrupt(bp->pdev->irq, dev);
9020 enable_irq(bp->pdev->irq);
9021}
9022#endif
9023
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009024static const struct net_device_ops bnx2x_netdev_ops = {
9025 .ndo_open = bnx2x_open,
9026 .ndo_stop = bnx2x_close,
9027 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009028 .ndo_select_queue = bnx2x_select_queue,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009029 .ndo_set_multicast_list = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009030 .ndo_set_mac_address = bnx2x_change_mac_addr,
9031 .ndo_validate_addr = eth_validate_addr,
9032 .ndo_do_ioctl = bnx2x_ioctl,
9033 .ndo_change_mtu = bnx2x_change_mtu,
9034 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009035#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009036 .ndo_poll_controller = poll_bnx2x,
9037#endif
9038};
9039
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009040static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9041 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009042{
9043 struct bnx2x *bp;
9044 int rc;
9045
9046 SET_NETDEV_DEV(dev, &pdev->dev);
9047 bp = netdev_priv(dev);
9048
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009049 bp->dev = dev;
9050 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009051 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009052 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009053
9054 rc = pci_enable_device(pdev);
9055 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009056 dev_err(&bp->pdev->dev,
9057 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009058 goto err_out;
9059 }
9060
9061 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009062 dev_err(&bp->pdev->dev,
9063 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009064 rc = -ENODEV;
9065 goto err_out_disable;
9066 }
9067
9068 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009069 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9070 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009071 rc = -ENODEV;
9072 goto err_out_disable;
9073 }
9074
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009075 if (atomic_read(&pdev->enable_cnt) == 1) {
9076 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9077 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009078 dev_err(&bp->pdev->dev,
9079 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009080 goto err_out_disable;
9081 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009082
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009083 pci_set_master(pdev);
9084 pci_save_state(pdev);
9085 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009086
9087 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9088 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009089 dev_err(&bp->pdev->dev,
9090 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009091 rc = -EIO;
9092 goto err_out_release;
9093 }
9094
9095 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9096 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009097 dev_err(&bp->pdev->dev,
9098 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009099 rc = -EIO;
9100 goto err_out_release;
9101 }
9102
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009103 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009104 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009105 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009106 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9107 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009108 rc = -EIO;
9109 goto err_out_release;
9110 }
9111
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009112 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009113 dev_err(&bp->pdev->dev,
9114 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009115 rc = -EIO;
9116 goto err_out_release;
9117 }
9118
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009119 dev->mem_start = pci_resource_start(pdev, 0);
9120 dev->base_addr = dev->mem_start;
9121 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009122
9123 dev->irq = pdev->irq;
9124
Arjan van de Ven275f1652008-10-20 21:42:39 -07009125 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009126 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009127 dev_err(&bp->pdev->dev,
9128 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009129 rc = -ENOMEM;
9130 goto err_out_release;
9131 }
9132
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009133 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009134 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009135 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009136 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009137 dev_err(&bp->pdev->dev,
9138 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009139 rc = -ENOMEM;
9140 goto err_out_unmap;
9141 }
9142
9143 bnx2x_set_power_state(bp, PCI_D0);
9144
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009145 /* clean indirect addresses */
9146 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9147 PCICFG_VENDOR_ID_OFFSET);
9148 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9149 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9150 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9151 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009152
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009153 /* Reset the load counter */
9154 bnx2x_clear_load_cnt(bp);
9155
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009156 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009157
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009158 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009159 bnx2x_set_ethtool_ops(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009160 dev->features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009161 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009162 if (bp->flags & USING_DAC_FLAG)
9163 dev->features |= NETIF_F_HIGHDMA;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009164 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9165 dev->features |= NETIF_F_TSO6;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009166 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009167
9168 dev->vlan_features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009169 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009170 if (bp->flags & USING_DAC_FLAG)
9171 dev->vlan_features |= NETIF_F_HIGHDMA;
9172 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9173 dev->vlan_features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009174
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009175#ifdef BCM_DCB
9176 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9177#endif
9178
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009179 /* get_port_hwinfo() will set prtad and mmds properly */
9180 bp->mdio.prtad = MDIO_PRTAD_NONE;
9181 bp->mdio.mmds = 0;
9182 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9183 bp->mdio.dev = dev;
9184 bp->mdio.mdio_read = bnx2x_mdio_read;
9185 bp->mdio.mdio_write = bnx2x_mdio_write;
9186
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009187 return 0;
9188
9189err_out_unmap:
9190 if (bp->regview) {
9191 iounmap(bp->regview);
9192 bp->regview = NULL;
9193 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009194 if (bp->doorbells) {
9195 iounmap(bp->doorbells);
9196 bp->doorbells = NULL;
9197 }
9198
9199err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009200 if (atomic_read(&pdev->enable_cnt) == 1)
9201 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009202
9203err_out_disable:
9204 pci_disable_device(pdev);
9205 pci_set_drvdata(pdev, NULL);
9206
9207err_out:
9208 return rc;
9209}
9210
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009211static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9212 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009213{
9214 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9215
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009216 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9217
9218 /* return value of 1=2.5GHz 2=5GHz */
9219 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009220}
9221
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009222static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009223{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009224 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009225 struct bnx2x_fw_file_hdr *fw_hdr;
9226 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009227 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009228 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009229 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009230 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009231
9232 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9233 return -EINVAL;
9234
9235 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9236 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9237
9238 /* Make sure none of the offsets and sizes make us read beyond
9239 * the end of the firmware data */
9240 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9241 offset = be32_to_cpu(sections[i].offset);
9242 len = be32_to_cpu(sections[i].len);
9243 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009244 dev_err(&bp->pdev->dev,
9245 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009246 return -EINVAL;
9247 }
9248 }
9249
9250 /* Likewise for the init_ops offsets */
9251 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9252 ops_offsets = (u16 *)(firmware->data + offset);
9253 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9254
9255 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9256 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009257 dev_err(&bp->pdev->dev,
9258 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009259 return -EINVAL;
9260 }
9261 }
9262
9263 /* Check FW version */
9264 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9265 fw_ver = firmware->data + offset;
9266 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9267 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9268 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9269 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009270 dev_err(&bp->pdev->dev,
9271 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009272 fw_ver[0], fw_ver[1], fw_ver[2],
9273 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9274 BCM_5710_FW_MINOR_VERSION,
9275 BCM_5710_FW_REVISION_VERSION,
9276 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009277 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009278 }
9279
9280 return 0;
9281}
9282
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009283static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009284{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009285 const __be32 *source = (const __be32 *)_source;
9286 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009287 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009288
9289 for (i = 0; i < n/4; i++)
9290 target[i] = be32_to_cpu(source[i]);
9291}
9292
9293/*
9294 Ops array is stored in the following format:
9295 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9296 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009297static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009298{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009299 const __be32 *source = (const __be32 *)_source;
9300 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009301 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009302
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009303 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009304 tmp = be32_to_cpu(source[j]);
9305 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009306 target[i].offset = tmp & 0xffffff;
9307 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009308 }
9309}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009310
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009311/**
9312 * IRO array is stored in the following format:
9313 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9314 */
9315static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9316{
9317 const __be32 *source = (const __be32 *)_source;
9318 struct iro *target = (struct iro *)_target;
9319 u32 i, j, tmp;
9320
9321 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9322 target[i].base = be32_to_cpu(source[j]);
9323 j++;
9324 tmp = be32_to_cpu(source[j]);
9325 target[i].m1 = (tmp >> 16) & 0xffff;
9326 target[i].m2 = tmp & 0xffff;
9327 j++;
9328 tmp = be32_to_cpu(source[j]);
9329 target[i].m3 = (tmp >> 16) & 0xffff;
9330 target[i].size = tmp & 0xffff;
9331 j++;
9332 }
9333}
9334
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009335static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009336{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009337 const __be16 *source = (const __be16 *)_source;
9338 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009339 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009340
9341 for (i = 0; i < n/2; i++)
9342 target[i] = be16_to_cpu(source[i]);
9343}
9344
Joe Perches7995c642010-02-17 15:01:52 +00009345#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9346do { \
9347 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9348 bp->arr = kmalloc(len, GFP_KERNEL); \
9349 if (!bp->arr) { \
9350 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9351 goto lbl; \
9352 } \
9353 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9354 (u8 *)bp->arr, len); \
9355} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009356
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009357int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009358{
Ben Hutchings45229b42009-11-07 11:53:39 +00009359 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009360 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009361 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009362
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009363 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009364 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009365 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009366 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009367 else if (CHIP_IS_E2(bp))
9368 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009369 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009370 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009371 return -EINVAL;
9372 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009373
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009374 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009375
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009376 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009377 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009378 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009379 goto request_firmware_exit;
9380 }
9381
9382 rc = bnx2x_check_firmware(bp);
9383 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009384 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009385 goto request_firmware_exit;
9386 }
9387
9388 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9389
9390 /* Initialize the pointers to the init arrays */
9391 /* Blob */
9392 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9393
9394 /* Opcodes */
9395 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9396
9397 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009398 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9399 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009400
9401 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009402 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9403 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9404 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9405 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9406 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9407 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9408 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9409 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9410 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9411 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9412 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9413 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9414 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9415 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9416 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9417 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009418 /* IRO */
9419 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009420
9421 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009422
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009423iro_alloc_err:
9424 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009425init_offsets_alloc_err:
9426 kfree(bp->init_ops);
9427init_ops_alloc_err:
9428 kfree(bp->init_data);
9429request_firmware_exit:
9430 release_firmware(bp->firmware);
9431
9432 return rc;
9433}
9434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009435static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9436{
9437 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009438
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009439#ifdef BCM_CNIC
9440 cid_count += CNIC_CID_MAX;
9441#endif
9442 return roundup(cid_count, QM_CID_ROUND);
9443}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009444
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009445static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9446 const struct pci_device_id *ent)
9447{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009448 struct net_device *dev = NULL;
9449 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009450 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009451 int rc, cid_count;
9452
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009453 switch (ent->driver_data) {
9454 case BCM57710:
9455 case BCM57711:
9456 case BCM57711E:
9457 cid_count = FP_SB_MAX_E1x;
9458 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009459
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009460 case BCM57712:
9461 case BCM57712E:
9462 cid_count = FP_SB_MAX_E2;
9463 break;
9464
9465 default:
9466 pr_err("Unknown board_type (%ld), aborting\n",
9467 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009468 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009469 }
9470
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009471 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009472
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009473 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009474 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009475 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009476 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009477 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009478 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009479
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009480 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009481 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009482
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009483 pci_set_drvdata(pdev, dev);
9484
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009485 bp->l2_cid_count = cid_count;
9486
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009487 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009488 if (rc < 0) {
9489 free_netdev(dev);
9490 return rc;
9491 }
9492
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009493 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009494 if (rc)
9495 goto init_one_exit;
9496
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009497 /* calc qm_cid_count */
9498 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9499
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009500#ifdef BCM_CNIC
9501 /* disable FCOE L2 queue for E1x*/
9502 if (CHIP_IS_E1x(bp))
9503 bp->flags |= NO_FCOE_FLAG;
9504
9505#endif
9506
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009507 /* Configure interupt mode: try to enable MSI-X/MSI if
9508 * needed, set bp->num_queues appropriately.
9509 */
9510 bnx2x_set_int_mode(bp);
9511
9512 /* Add all NAPI objects */
9513 bnx2x_add_all_napi(bp);
9514
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009515 rc = register_netdev(dev);
9516 if (rc) {
9517 dev_err(&pdev->dev, "Cannot register net device\n");
9518 goto init_one_exit;
9519 }
9520
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009521#ifdef BCM_CNIC
9522 if (!NO_FCOE(bp)) {
9523 /* Add storage MAC address */
9524 rtnl_lock();
9525 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9526 rtnl_unlock();
9527 }
9528#endif
9529
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009530 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009531
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009532 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9533 " IRQ %d, ", board_info[ent->driver_data].name,
9534 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009535 pcie_width,
9536 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9537 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9538 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009539 dev->base_addr, bp->pdev->irq);
9540 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009541
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009542 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009543
9544init_one_exit:
9545 if (bp->regview)
9546 iounmap(bp->regview);
9547
9548 if (bp->doorbells)
9549 iounmap(bp->doorbells);
9550
9551 free_netdev(dev);
9552
9553 if (atomic_read(&pdev->enable_cnt) == 1)
9554 pci_release_regions(pdev);
9555
9556 pci_disable_device(pdev);
9557 pci_set_drvdata(pdev, NULL);
9558
9559 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009560}
9561
9562static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9563{
9564 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009565 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009566
Eliezer Tamir228241e2008-02-28 11:56:57 -08009567 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009568 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009569 return;
9570 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009571 bp = netdev_priv(dev);
9572
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009573#ifdef BCM_CNIC
9574 /* Delete storage MAC address */
9575 if (!NO_FCOE(bp)) {
9576 rtnl_lock();
9577 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9578 rtnl_unlock();
9579 }
9580#endif
9581
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009582 unregister_netdev(dev);
9583
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009584 /* Delete all NAPI objects */
9585 bnx2x_del_all_napi(bp);
9586
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009587 /* Power on: we can't let PCI layer write to us while we are in D3 */
9588 bnx2x_set_power_state(bp, PCI_D0);
9589
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009590 /* Disable MSI/MSI-X */
9591 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009592
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009593 /* Power off */
9594 bnx2x_set_power_state(bp, PCI_D3hot);
9595
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009596 /* Make sure RESET task is not scheduled before continuing */
9597 cancel_delayed_work_sync(&bp->reset_task);
9598
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009599 if (bp->regview)
9600 iounmap(bp->regview);
9601
9602 if (bp->doorbells)
9603 iounmap(bp->doorbells);
9604
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009605 bnx2x_free_mem_bp(bp);
9606
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009607 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009608
9609 if (atomic_read(&pdev->enable_cnt) == 1)
9610 pci_release_regions(pdev);
9611
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009612 pci_disable_device(pdev);
9613 pci_set_drvdata(pdev, NULL);
9614}
9615
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009616static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9617{
9618 int i;
9619
9620 bp->state = BNX2X_STATE_ERROR;
9621
9622 bp->rx_mode = BNX2X_RX_MODE_NONE;
9623
9624 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009625 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009626
9627 del_timer_sync(&bp->timer);
9628 bp->stats_state = STATS_STATE_DISABLED;
9629 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9630
9631 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009632 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009633
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009634 /* Free SKBs, SGEs, TPA pool and driver internals */
9635 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009636
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009637 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009638 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009639
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009640 bnx2x_free_mem(bp);
9641
9642 bp->state = BNX2X_STATE_CLOSED;
9643
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009644 return 0;
9645}
9646
9647static void bnx2x_eeh_recover(struct bnx2x *bp)
9648{
9649 u32 val;
9650
9651 mutex_init(&bp->port.phy_mutex);
9652
9653 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9654 bp->link_params.shmem_base = bp->common.shmem_base;
9655 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9656
9657 if (!bp->common.shmem_base ||
9658 (bp->common.shmem_base < 0xA0000) ||
9659 (bp->common.shmem_base >= 0xC0000)) {
9660 BNX2X_DEV_INFO("MCP not active\n");
9661 bp->flags |= NO_MCP_FLAG;
9662 return;
9663 }
9664
9665 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9666 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9667 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9668 BNX2X_ERR("BAD MCP validity signature\n");
9669
9670 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009671 bp->fw_seq =
9672 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9673 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009674 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9675 }
9676}
9677
Wendy Xiong493adb12008-06-23 20:36:22 -07009678/**
9679 * bnx2x_io_error_detected - called when PCI error is detected
9680 * @pdev: Pointer to PCI device
9681 * @state: The current pci connection state
9682 *
9683 * This function is called after a PCI bus error affecting
9684 * this device has been detected.
9685 */
9686static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9687 pci_channel_state_t state)
9688{
9689 struct net_device *dev = pci_get_drvdata(pdev);
9690 struct bnx2x *bp = netdev_priv(dev);
9691
9692 rtnl_lock();
9693
9694 netif_device_detach(dev);
9695
Dean Nelson07ce50e2009-07-31 09:13:25 +00009696 if (state == pci_channel_io_perm_failure) {
9697 rtnl_unlock();
9698 return PCI_ERS_RESULT_DISCONNECT;
9699 }
9700
Wendy Xiong493adb12008-06-23 20:36:22 -07009701 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009702 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009703
9704 pci_disable_device(pdev);
9705
9706 rtnl_unlock();
9707
9708 /* Request a slot reset */
9709 return PCI_ERS_RESULT_NEED_RESET;
9710}
9711
9712/**
9713 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9714 * @pdev: Pointer to PCI device
9715 *
9716 * Restart the card from scratch, as if from a cold-boot.
9717 */
9718static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9719{
9720 struct net_device *dev = pci_get_drvdata(pdev);
9721 struct bnx2x *bp = netdev_priv(dev);
9722
9723 rtnl_lock();
9724
9725 if (pci_enable_device(pdev)) {
9726 dev_err(&pdev->dev,
9727 "Cannot re-enable PCI device after reset\n");
9728 rtnl_unlock();
9729 return PCI_ERS_RESULT_DISCONNECT;
9730 }
9731
9732 pci_set_master(pdev);
9733 pci_restore_state(pdev);
9734
9735 if (netif_running(dev))
9736 bnx2x_set_power_state(bp, PCI_D0);
9737
9738 rtnl_unlock();
9739
9740 return PCI_ERS_RESULT_RECOVERED;
9741}
9742
9743/**
9744 * bnx2x_io_resume - called when traffic can start flowing again
9745 * @pdev: Pointer to PCI device
9746 *
9747 * This callback is called when the error recovery driver tells us that
9748 * its OK to resume normal operation.
9749 */
9750static void bnx2x_io_resume(struct pci_dev *pdev)
9751{
9752 struct net_device *dev = pci_get_drvdata(pdev);
9753 struct bnx2x *bp = netdev_priv(dev);
9754
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009755 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009756 printk(KERN_ERR "Handling parity error recovery. "
9757 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009758 return;
9759 }
9760
Wendy Xiong493adb12008-06-23 20:36:22 -07009761 rtnl_lock();
9762
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009763 bnx2x_eeh_recover(bp);
9764
Wendy Xiong493adb12008-06-23 20:36:22 -07009765 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009766 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009767
9768 netif_device_attach(dev);
9769
9770 rtnl_unlock();
9771}
9772
9773static struct pci_error_handlers bnx2x_err_handler = {
9774 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009775 .slot_reset = bnx2x_io_slot_reset,
9776 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009777};
9778
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009779static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009780 .name = DRV_MODULE_NAME,
9781 .id_table = bnx2x_pci_tbl,
9782 .probe = bnx2x_init_one,
9783 .remove = __devexit_p(bnx2x_remove_one),
9784 .suspend = bnx2x_suspend,
9785 .resume = bnx2x_resume,
9786 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009787};
9788
9789static int __init bnx2x_init(void)
9790{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009791 int ret;
9792
Joe Perches7995c642010-02-17 15:01:52 +00009793 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009794
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009795 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9796 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009797 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009798 return -ENOMEM;
9799 }
9800
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009801 ret = pci_register_driver(&bnx2x_pci_driver);
9802 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009803 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009804 destroy_workqueue(bnx2x_wq);
9805 }
9806 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009807}
9808
9809static void __exit bnx2x_cleanup(void)
9810{
9811 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009812
9813 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009814}
9815
9816module_init(bnx2x_init);
9817module_exit(bnx2x_cleanup);
9818
Michael Chan993ac7b2009-10-10 13:46:56 +00009819#ifdef BCM_CNIC
9820
9821/* count denotes the number of new completions we have seen */
9822static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9823{
9824 struct eth_spe *spe;
9825
9826#ifdef BNX2X_STOP_ON_ERROR
9827 if (unlikely(bp->panic))
9828 return;
9829#endif
9830
9831 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009832 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009833 bp->cnic_spq_pending -= count;
9834
Michael Chan993ac7b2009-10-10 13:46:56 +00009835
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009836 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9837 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9838 & SPE_HDR_CONN_TYPE) >>
9839 SPE_HDR_CONN_TYPE_SHIFT;
9840
9841 /* Set validation for iSCSI L2 client before sending SETUP
9842 * ramrod
9843 */
9844 if (type == ETH_CONNECTION_TYPE) {
9845 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9846 hdr.conn_and_cmd_data) >>
9847 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9848
9849 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9850 bnx2x_set_ctx_validation(&bp->context.
9851 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9852 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9853 }
9854
9855 /* There may be not more than 8 L2 and COMMON SPEs and not more
9856 * than 8 L5 SPEs in the air.
9857 */
9858 if ((type == NONE_CONNECTION_TYPE) ||
9859 (type == ETH_CONNECTION_TYPE)) {
9860 if (!atomic_read(&bp->spq_left))
9861 break;
9862 else
9863 atomic_dec(&bp->spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009864 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9865 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009866 if (bp->cnic_spq_pending >=
9867 bp->cnic_eth_dev.max_kwqe_pending)
9868 break;
9869 else
9870 bp->cnic_spq_pending++;
9871 } else {
9872 BNX2X_ERR("Unknown SPE type: %d\n", type);
9873 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009874 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009875 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009876
9877 spe = bnx2x_sp_get_next(bp);
9878 *spe = *bp->cnic_kwq_cons;
9879
Michael Chan993ac7b2009-10-10 13:46:56 +00009880 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9881 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9882
9883 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9884 bp->cnic_kwq_cons = bp->cnic_kwq;
9885 else
9886 bp->cnic_kwq_cons++;
9887 }
9888 bnx2x_sp_prod_update(bp);
9889 spin_unlock_bh(&bp->spq_lock);
9890}
9891
9892static int bnx2x_cnic_sp_queue(struct net_device *dev,
9893 struct kwqe_16 *kwqes[], u32 count)
9894{
9895 struct bnx2x *bp = netdev_priv(dev);
9896 int i;
9897
9898#ifdef BNX2X_STOP_ON_ERROR
9899 if (unlikely(bp->panic))
9900 return -EIO;
9901#endif
9902
9903 spin_lock_bh(&bp->spq_lock);
9904
9905 for (i = 0; i < count; i++) {
9906 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9907
9908 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9909 break;
9910
9911 *bp->cnic_kwq_prod = *spe;
9912
9913 bp->cnic_kwq_pending++;
9914
9915 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9916 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009917 spe->data.update_data_addr.hi,
9918 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009919 bp->cnic_kwq_pending);
9920
9921 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9922 bp->cnic_kwq_prod = bp->cnic_kwq;
9923 else
9924 bp->cnic_kwq_prod++;
9925 }
9926
9927 spin_unlock_bh(&bp->spq_lock);
9928
9929 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9930 bnx2x_cnic_sp_post(bp, 0);
9931
9932 return i;
9933}
9934
9935static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9936{
9937 struct cnic_ops *c_ops;
9938 int rc = 0;
9939
9940 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +00009941 c_ops = rcu_dereference_protected(bp->cnic_ops,
9942 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +00009943 if (c_ops)
9944 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9945 mutex_unlock(&bp->cnic_mutex);
9946
9947 return rc;
9948}
9949
9950static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9951{
9952 struct cnic_ops *c_ops;
9953 int rc = 0;
9954
9955 rcu_read_lock();
9956 c_ops = rcu_dereference(bp->cnic_ops);
9957 if (c_ops)
9958 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9959 rcu_read_unlock();
9960
9961 return rc;
9962}
9963
9964/*
9965 * for commands that have no data
9966 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009967int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +00009968{
9969 struct cnic_ctl_info ctl = {0};
9970
9971 ctl.cmd = cmd;
9972
9973 return bnx2x_cnic_ctl_send(bp, &ctl);
9974}
9975
9976static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9977{
9978 struct cnic_ctl_info ctl;
9979
9980 /* first we tell CNIC and only then we count this as a completion */
9981 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9982 ctl.data.comp.cid = cid;
9983
9984 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009985 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009986}
9987
9988static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9989{
9990 struct bnx2x *bp = netdev_priv(dev);
9991 int rc = 0;
9992
9993 switch (ctl->cmd) {
9994 case DRV_CTL_CTXTBL_WR_CMD: {
9995 u32 index = ctl->data.io.offset;
9996 dma_addr_t addr = ctl->data.io.dma_addr;
9997
9998 bnx2x_ilt_wr(bp, index, addr);
9999 break;
10000 }
10001
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010002 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10003 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010004
10005 bnx2x_cnic_sp_post(bp, count);
10006 break;
10007 }
10008
10009 /* rtnl_lock is held. */
10010 case DRV_CTL_START_L2_CMD: {
10011 u32 cli = ctl->data.ring.client_id;
10012
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010013 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10014 bnx2x_del_fcoe_eth_macs(bp);
10015
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010016 /* Set iSCSI MAC address */
10017 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10018
10019 mmiowb();
10020 barrier();
10021
10022 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10023 * because it's the only way for UIO Client to accept
10024 * multicasts (in non-promiscuous mode only one Client per
10025 * function will receive multicast packets (leading in our
10026 * case).
10027 */
10028 bnx2x_rxq_set_mac_filters(bp, cli,
10029 BNX2X_ACCEPT_UNICAST |
10030 BNX2X_ACCEPT_BROADCAST |
10031 BNX2X_ACCEPT_ALL_MULTICAST);
10032 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10033
Michael Chan993ac7b2009-10-10 13:46:56 +000010034 break;
10035 }
10036
10037 /* rtnl_lock is held. */
10038 case DRV_CTL_STOP_L2_CMD: {
10039 u32 cli = ctl->data.ring.client_id;
10040
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010041 /* Stop accepting on iSCSI L2 ring */
10042 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10043 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10044
10045 mmiowb();
10046 barrier();
10047
10048 /* Unset iSCSI L2 MAC */
10049 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010050 break;
10051 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010052 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10053 int count = ctl->data.credit.credit_count;
10054
10055 smp_mb__before_atomic_inc();
10056 atomic_add(count, &bp->spq_left);
10057 smp_mb__after_atomic_inc();
10058 break;
10059 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010060
10061 default:
10062 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10063 rc = -EINVAL;
10064 }
10065
10066 return rc;
10067}
10068
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010069void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010070{
10071 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10072
10073 if (bp->flags & USING_MSIX_FLAG) {
10074 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10075 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10076 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10077 } else {
10078 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10079 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10080 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010081 if (CHIP_IS_E2(bp))
10082 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10083 else
10084 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10085
Michael Chan993ac7b2009-10-10 13:46:56 +000010086 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010087 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010088 cp->irq_arr[1].status_blk = bp->def_status_blk;
10089 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010090 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010091
10092 cp->num_irq = 2;
10093}
10094
10095static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10096 void *data)
10097{
10098 struct bnx2x *bp = netdev_priv(dev);
10099 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10100
10101 if (ops == NULL)
10102 return -EINVAL;
10103
10104 if (atomic_read(&bp->intr_sem) != 0)
10105 return -EBUSY;
10106
10107 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10108 if (!bp->cnic_kwq)
10109 return -ENOMEM;
10110
10111 bp->cnic_kwq_cons = bp->cnic_kwq;
10112 bp->cnic_kwq_prod = bp->cnic_kwq;
10113 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10114
10115 bp->cnic_spq_pending = 0;
10116 bp->cnic_kwq_pending = 0;
10117
10118 bp->cnic_data = data;
10119
10120 cp->num_irq = 0;
10121 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010122 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010123
Michael Chan993ac7b2009-10-10 13:46:56 +000010124 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010125
Michael Chan993ac7b2009-10-10 13:46:56 +000010126 rcu_assign_pointer(bp->cnic_ops, ops);
10127
10128 return 0;
10129}
10130
10131static int bnx2x_unregister_cnic(struct net_device *dev)
10132{
10133 struct bnx2x *bp = netdev_priv(dev);
10134 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10135
10136 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010137 cp->drv_state = 0;
10138 rcu_assign_pointer(bp->cnic_ops, NULL);
10139 mutex_unlock(&bp->cnic_mutex);
10140 synchronize_rcu();
10141 kfree(bp->cnic_kwq);
10142 bp->cnic_kwq = NULL;
10143
10144 return 0;
10145}
10146
10147struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10148{
10149 struct bnx2x *bp = netdev_priv(dev);
10150 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10151
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010152 /* If both iSCSI and FCoE are disabled - return NULL in
10153 * order to indicate CNIC that it should not try to work
10154 * with this device.
10155 */
10156 if (NO_ISCSI(bp) && NO_FCOE(bp))
10157 return NULL;
10158
Michael Chan993ac7b2009-10-10 13:46:56 +000010159 cp->drv_owner = THIS_MODULE;
10160 cp->chip_id = CHIP_ID(bp);
10161 cp->pdev = bp->pdev;
10162 cp->io_base = bp->regview;
10163 cp->io_base2 = bp->doorbells;
10164 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010165 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010166 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10167 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010168 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010169 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010170 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10171 cp->drv_ctl = bnx2x_drv_ctl;
10172 cp->drv_register_cnic = bnx2x_register_cnic;
10173 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010174 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10175 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10176 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010177 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010178
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010179 if (NO_ISCSI_OOO(bp))
10180 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10181
10182 if (NO_ISCSI(bp))
10183 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10184
10185 if (NO_FCOE(bp))
10186 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10187
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010188 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10189 "starting cid %d\n",
10190 cp->ctx_blk_size,
10191 cp->ctx_tbl_offset,
10192 cp->ctx_tbl_len,
10193 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010194 return cp;
10195}
10196EXPORT_SYMBOL(bnx2x_cnic_probe);
10197
10198#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010199