blob: 404d93e6df21fd33782303a86e1724e80a7a1afc [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Vladislav Zolotarov3359fce2010-02-17 13:35:01 -08003 * Copyright (c) 2007-2010 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020026#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/skbuff.h>
32#include <linux/dma-mapping.h>
33#include <linux/bitops.h>
34#include <linux/irq.h>
35#include <linux/delay.h>
36#include <asm/byteorder.h>
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080040#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020041#include <net/ip.h>
42#include <net/tcp.h>
43#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070044#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <linux/workqueue.h>
46#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/prefetch.h>
49#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020050#include <linux/io.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000051#include <linux/stringify.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000053#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include "bnx2x.h"
55#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070056#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000057#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000058#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include <linux/firmware.h>
61#include "bnx2x_fw_file_hdr.h"
62/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000063#define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000068#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000070#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070071
Eilon Greenstein34f80b02008-06-23 20:33:01 -070072/* Time in jiffies before concluding the transmitter is hung */
73#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074
Andrew Morton53a10562008-02-09 23:16:41 -080075static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070076 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070079MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000080MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082MODULE_LICENSE("GPL");
83MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000084MODULE_FIRMWARE(FW_FILE_NAME_E1);
85MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087
Eilon Greenstein555f6c72009-02-12 08:36:11 +000088static int multi_mode = 1;
89module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070090MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000093int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000094module_param(num_queues, int, 0);
95MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000097
Eilon Greenstein19680c42008-08-13 15:47:33 -070098static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -070099module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000100MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000101
102static int int_mode;
103module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000104MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Eilon Greensteina18f5122009-08-12 08:23:26 +0000107static int dropless_fc;
108module_param(dropless_fc, int, 0);
109MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
Eilon Greenstein9898f862009-02-12 08:38:27 +0000111static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000113MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114
115static int mrrs = -1;
116module_param(mrrs, int, 0);
117MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
Eilon Greenstein9898f862009-02-12 08:38:27 +0000119static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200120module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121MODULE_PARM_DESC(debug, " Default debug msglevel");
122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800123static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000125#ifdef BCM_CNIC
126static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127#endif
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129enum bnx2x_board_type {
130 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700131 BCM57711 = 1,
132 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000133 BCM57712 = 3,
134 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135};
136
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700137/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800138static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200139 char *name;
140} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146};
147
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000148#ifndef PCI_DEVICE_ID_NX2_57712
149#define PCI_DEVICE_ID_NX2_57712 0x1662
150#endif
151#ifndef PCI_DEVICE_ID_NX2_57712E
152#define PCI_DEVICE_ID_NX2_57712E 0x1663
153#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700154
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000155static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000156 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
157 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
158 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000159 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
160 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200161 { 0 }
162};
163
164MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
165
166/****************************************************************************
167* General service functions
168****************************************************************************/
169
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000170static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
171 u32 addr, dma_addr_t mapping)
172{
173 REG_WR(bp, addr, U64_LO(mapping));
174 REG_WR(bp, addr + 4, U64_HI(mapping));
175}
176
177static inline void __storm_memset_fill(struct bnx2x *bp,
178 u32 addr, size_t size, u32 val)
179{
180 int i;
181 for (i = 0; i < size/4; i++)
182 REG_WR(bp, addr + (i * 4), val);
183}
184
185static inline void storm_memset_ustats_zero(struct bnx2x *bp,
186 u8 port, u16 stat_id)
187{
188 size_t size = sizeof(struct ustorm_per_client_stats);
189
190 u32 addr = BAR_USTRORM_INTMEM +
191 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
192
193 __storm_memset_fill(bp, addr, size, 0);
194}
195
196static inline void storm_memset_tstats_zero(struct bnx2x *bp,
197 u8 port, u16 stat_id)
198{
199 size_t size = sizeof(struct tstorm_per_client_stats);
200
201 u32 addr = BAR_TSTRORM_INTMEM +
202 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
203
204 __storm_memset_fill(bp, addr, size, 0);
205}
206
207static inline void storm_memset_xstats_zero(struct bnx2x *bp,
208 u8 port, u16 stat_id)
209{
210 size_t size = sizeof(struct xstorm_per_client_stats);
211
212 u32 addr = BAR_XSTRORM_INTMEM +
213 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
214
215 __storm_memset_fill(bp, addr, size, 0);
216}
217
218
219static inline void storm_memset_spq_addr(struct bnx2x *bp,
220 dma_addr_t mapping, u16 abs_fid)
221{
222 u32 addr = XSEM_REG_FAST_MEMORY +
223 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
224
225 __storm_memset_dma_mapping(bp, addr, mapping);
226}
227
228static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
229{
230 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
231}
232
233static inline void storm_memset_func_cfg(struct bnx2x *bp,
234 struct tstorm_eth_function_common_config *tcfg,
235 u16 abs_fid)
236{
237 size_t size = sizeof(struct tstorm_eth_function_common_config);
238
239 u32 addr = BAR_TSTRORM_INTMEM +
240 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
241
242 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
243}
244
245static inline void storm_memset_xstats_flags(struct bnx2x *bp,
246 struct stats_indication_flags *flags,
247 u16 abs_fid)
248{
249 size_t size = sizeof(struct stats_indication_flags);
250
251 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
252
253 __storm_memset_struct(bp, addr, size, (u32 *)flags);
254}
255
256static inline void storm_memset_tstats_flags(struct bnx2x *bp,
257 struct stats_indication_flags *flags,
258 u16 abs_fid)
259{
260 size_t size = sizeof(struct stats_indication_flags);
261
262 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
263
264 __storm_memset_struct(bp, addr, size, (u32 *)flags);
265}
266
267static inline void storm_memset_ustats_flags(struct bnx2x *bp,
268 struct stats_indication_flags *flags,
269 u16 abs_fid)
270{
271 size_t size = sizeof(struct stats_indication_flags);
272
273 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
274
275 __storm_memset_struct(bp, addr, size, (u32 *)flags);
276}
277
278static inline void storm_memset_cstats_flags(struct bnx2x *bp,
279 struct stats_indication_flags *flags,
280 u16 abs_fid)
281{
282 size_t size = sizeof(struct stats_indication_flags);
283
284 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
285
286 __storm_memset_struct(bp, addr, size, (u32 *)flags);
287}
288
289static inline void storm_memset_xstats_addr(struct bnx2x *bp,
290 dma_addr_t mapping, u16 abs_fid)
291{
292 u32 addr = BAR_XSTRORM_INTMEM +
293 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
294
295 __storm_memset_dma_mapping(bp, addr, mapping);
296}
297
298static inline void storm_memset_tstats_addr(struct bnx2x *bp,
299 dma_addr_t mapping, u16 abs_fid)
300{
301 u32 addr = BAR_TSTRORM_INTMEM +
302 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
303
304 __storm_memset_dma_mapping(bp, addr, mapping);
305}
306
307static inline void storm_memset_ustats_addr(struct bnx2x *bp,
308 dma_addr_t mapping, u16 abs_fid)
309{
310 u32 addr = BAR_USTRORM_INTMEM +
311 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
312
313 __storm_memset_dma_mapping(bp, addr, mapping);
314}
315
316static inline void storm_memset_cstats_addr(struct bnx2x *bp,
317 dma_addr_t mapping, u16 abs_fid)
318{
319 u32 addr = BAR_CSTRORM_INTMEM +
320 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
321
322 __storm_memset_dma_mapping(bp, addr, mapping);
323}
324
325static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
326 u16 pf_id)
327{
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
329 pf_id);
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
331 pf_id);
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
333 pf_id);
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
335 pf_id);
336}
337
338static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
339 u8 enable)
340{
341 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
342 enable);
343 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
344 enable);
345 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
346 enable);
347 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
348 enable);
349}
350
351static inline void storm_memset_eq_data(struct bnx2x *bp,
352 struct event_ring_data *eq_data,
353 u16 pfid)
354{
355 size_t size = sizeof(struct event_ring_data);
356
357 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
358
359 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
360}
361
362static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
363 u16 pfid)
364{
365 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
366 REG_WR16(bp, addr, eq_prod);
367}
368
369static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
370 u16 fw_sb_id, u8 sb_index,
371 u8 ticks)
372{
373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000374 int index_offset = CHIP_IS_E2(bp) ?
375 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000376 offsetof(struct hc_status_block_data_e1x, index_data);
377 u32 addr = BAR_CSTRORM_INTMEM +
378 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
379 index_offset +
380 sizeof(struct hc_index_data)*sb_index +
381 offsetof(struct hc_index_data, timeout);
382 REG_WR8(bp, addr, ticks);
383 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
384 port, fw_sb_id, sb_index, ticks);
385}
386static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
387 u16 fw_sb_id, u8 sb_index,
388 u8 disable)
389{
390 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391 int index_offset = CHIP_IS_E2(bp) ?
392 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000393 offsetof(struct hc_status_block_data_e1x, index_data);
394 u32 addr = BAR_CSTRORM_INTMEM +
395 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
396 index_offset +
397 sizeof(struct hc_index_data)*sb_index +
398 offsetof(struct hc_index_data, flags);
399 u16 flags = REG_RD16(bp, addr);
400 /* clear and set */
401 flags &= ~HC_INDEX_DATA_HC_ENABLED;
402 flags |= enable_flag;
403 REG_WR16(bp, addr, flags);
404 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
405 port, fw_sb_id, sb_index, disable);
406}
407
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200408/* used only at init
409 * locking is done by mcp
410 */
stephen hemminger8d962862010-10-21 07:50:56 +0000411static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412{
413 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
414 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
415 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
416 PCICFG_VENDOR_ID_OFFSET);
417}
418
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200419static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
420{
421 u32 val;
422
423 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
424 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
425 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
426 PCICFG_VENDOR_ID_OFFSET);
427
428 return val;
429}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000431#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
432#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
433#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
434#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
435#define DMAE_DP_DST_NONE "dst_addr [none]"
436
stephen hemminger8d962862010-10-21 07:50:56 +0000437static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
438 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000439{
440 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
441
442 switch (dmae->opcode & DMAE_COMMAND_DST) {
443 case DMAE_CMD_DST_PCI:
444 if (src_type == DMAE_CMD_SRC_PCI)
445 DP(msglvl, "DMAE: opcode 0x%08x\n"
446 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
447 "comp_addr [%x:%08x], comp_val 0x%08x\n",
448 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
449 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
450 dmae->comp_addr_hi, dmae->comp_addr_lo,
451 dmae->comp_val);
452 else
453 DP(msglvl, "DMAE: opcode 0x%08x\n"
454 "src [%08x], len [%d*4], dst [%x:%08x]\n"
455 "comp_addr [%x:%08x], comp_val 0x%08x\n",
456 dmae->opcode, dmae->src_addr_lo >> 2,
457 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
458 dmae->comp_addr_hi, dmae->comp_addr_lo,
459 dmae->comp_val);
460 break;
461 case DMAE_CMD_DST_GRC:
462 if (src_type == DMAE_CMD_SRC_PCI)
463 DP(msglvl, "DMAE: opcode 0x%08x\n"
464 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
465 "comp_addr [%x:%08x], comp_val 0x%08x\n",
466 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
467 dmae->len, dmae->dst_addr_lo >> 2,
468 dmae->comp_addr_hi, dmae->comp_addr_lo,
469 dmae->comp_val);
470 else
471 DP(msglvl, "DMAE: opcode 0x%08x\n"
472 "src [%08x], len [%d*4], dst [%08x]\n"
473 "comp_addr [%x:%08x], comp_val 0x%08x\n",
474 dmae->opcode, dmae->src_addr_lo >> 2,
475 dmae->len, dmae->dst_addr_lo >> 2,
476 dmae->comp_addr_hi, dmae->comp_addr_lo,
477 dmae->comp_val);
478 break;
479 default:
480 if (src_type == DMAE_CMD_SRC_PCI)
481 DP(msglvl, "DMAE: opcode 0x%08x\n"
482 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
483 "dst_addr [none]\n"
484 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
485 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
486 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
487 dmae->comp_val);
488 else
489 DP(msglvl, "DMAE: opcode 0x%08x\n"
490 DP_LEVEL "src_addr [%08x] len [%d * 4] "
491 "dst_addr [none]\n"
492 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
493 dmae->opcode, dmae->src_addr_lo >> 2,
494 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
495 dmae->comp_val);
496 break;
497 }
498
499}
500
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000501const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200502 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
503 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
504 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
505 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
506};
507
508/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000509void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200510{
511 u32 cmd_offset;
512 int i;
513
514 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
515 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
516 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
517
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700518 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
519 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200520 }
521 REG_WR(bp, dmae_reg_go_c[idx], 1);
522}
523
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000524u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
525{
526 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
527 DMAE_CMD_C_ENABLE);
528}
529
530u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
531{
532 return opcode & ~DMAE_CMD_SRC_RESET;
533}
534
535u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
536 bool with_comp, u8 comp_type)
537{
538 u32 opcode = 0;
539
540 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
541 (dst_type << DMAE_COMMAND_DST_SHIFT));
542
543 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
544
545 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
546 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
547 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
548 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
549
550#ifdef __BIG_ENDIAN
551 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
552#else
553 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
554#endif
555 if (with_comp)
556 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
557 return opcode;
558}
559
stephen hemminger8d962862010-10-21 07:50:56 +0000560static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
561 struct dmae_command *dmae,
562 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000563{
564 memset(dmae, 0, sizeof(struct dmae_command));
565
566 /* set the opcode */
567 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
568 true, DMAE_COMP_PCI);
569
570 /* fill in the completion parameters */
571 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
572 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
573 dmae->comp_val = DMAE_COMP_VAL;
574}
575
576/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000577static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
578 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000579{
580 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
581 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
582 int rc = 0;
583
584 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
585 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
586 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
587
588 /* lock the dmae channel */
589 mutex_lock(&bp->dmae_mutex);
590
591 /* reset completion */
592 *wb_comp = 0;
593
594 /* post the command on the channel used for initializations */
595 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
596
597 /* wait for completion */
598 udelay(5);
599 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
600 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
601
602 if (!cnt) {
603 BNX2X_ERR("DMAE timeout!\n");
604 rc = DMAE_TIMEOUT;
605 goto unlock;
606 }
607 cnt--;
608 udelay(50);
609 }
610 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
611 BNX2X_ERR("DMAE PCI error!\n");
612 rc = DMAE_PCI_ERROR;
613 }
614
615 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
616 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
617 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
618
619unlock:
620 mutex_unlock(&bp->dmae_mutex);
621 return rc;
622}
623
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700624void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
625 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200626{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000627 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700628
629 if (!bp->dmae_ready) {
630 u32 *data = bnx2x_sp(bp, wb_data[0]);
631
632 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
633 " using indirect\n", dst_addr, len32);
634 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
635 return;
636 }
637
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000638 /* set opcode and fixed command fields */
639 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000642 dmae.src_addr_lo = U64_LO(dma_addr);
643 dmae.src_addr_hi = U64_HI(dma_addr);
644 dmae.dst_addr_lo = dst_addr >> 2;
645 dmae.dst_addr_hi = 0;
646 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200647
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000648 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200649
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000650 /* issue the command and wait for completion */
651 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200652}
653
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700654void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000656 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700657
658 if (!bp->dmae_ready) {
659 u32 *data = bnx2x_sp(bp, wb_data[0]);
660 int i;
661
662 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
663 " using indirect\n", src_addr, len32);
664 for (i = 0; i < len32; i++)
665 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
666 return;
667 }
668
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000669 /* set opcode and fixed command fields */
670 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000673 dmae.src_addr_lo = src_addr >> 2;
674 dmae.src_addr_hi = 0;
675 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
676 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
677 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000681 /* issue the command and wait for completion */
682 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200684
stephen hemminger8d962862010-10-21 07:50:56 +0000685static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
686 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000687{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000688 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 int offset = 0;
690
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000691 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000692 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000693 addr + offset, dmae_wr_max);
694 offset += dmae_wr_max * 4;
695 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000696 }
697
698 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
699}
700
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700701/* used only for slowpath so not inlined */
702static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
703{
704 u32 wb_write[2];
705
706 wb_write[0] = val_hi;
707 wb_write[1] = val_lo;
708 REG_WR_DMAE(bp, reg, wb_write, 2);
709}
710
711#ifdef USE_WB_RD
712static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
713{
714 u32 wb_data[2];
715
716 REG_RD_DMAE(bp, reg, wb_data, 2);
717
718 return HILO_U64(wb_data[0], wb_data[1]);
719}
720#endif
721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200722static int bnx2x_mc_assert(struct bnx2x *bp)
723{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200724 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700725 int i, rc = 0;
726 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700728 /* XSTORM */
729 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
730 XSTORM_ASSERT_LIST_INDEX_OFFSET);
731 if (last_idx)
732 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200733
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200736
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700737 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i));
739 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
740 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
741 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
742 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
743 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
744 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200745
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700746 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
747 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
748 " 0x%08x 0x%08x 0x%08x\n",
749 i, row3, row2, row1, row0);
750 rc++;
751 } else {
752 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200753 }
754 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700755
756 /* TSTORM */
757 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
758 TSTORM_ASSERT_LIST_INDEX_OFFSET);
759 if (last_idx)
760 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
761
762 /* print the asserts */
763 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
764
765 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i));
767 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
768 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
769 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
770 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
771 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
772 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
773
774 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
775 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
776 " 0x%08x 0x%08x 0x%08x\n",
777 i, row3, row2, row1, row0);
778 rc++;
779 } else {
780 break;
781 }
782 }
783
784 /* CSTORM */
785 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
786 CSTORM_ASSERT_LIST_INDEX_OFFSET);
787 if (last_idx)
788 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
789
790 /* print the asserts */
791 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
792
793 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i));
795 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
796 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
797 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
798 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
799 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
800 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
801
802 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
803 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
804 " 0x%08x 0x%08x 0x%08x\n",
805 i, row3, row2, row1, row0);
806 rc++;
807 } else {
808 break;
809 }
810 }
811
812 /* USTORM */
813 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
814 USTORM_ASSERT_LIST_INDEX_OFFSET);
815 if (last_idx)
816 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
817
818 /* print the asserts */
819 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
820
821 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i));
823 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
824 USTORM_ASSERT_LIST_OFFSET(i) + 4);
825 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
826 USTORM_ASSERT_LIST_OFFSET(i) + 8);
827 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
828 USTORM_ASSERT_LIST_OFFSET(i) + 12);
829
830 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
831 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
832 " 0x%08x 0x%08x 0x%08x\n",
833 i, row3, row2, row1, row0);
834 rc++;
835 } else {
836 break;
837 }
838 }
839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200840 return rc;
841}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200843static void bnx2x_fw_dump(struct bnx2x *bp)
844{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000845 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200846 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000847 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200848 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000849 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000850 if (BP_NOMCP(bp)) {
851 BNX2X_ERR("NO MCP - can not dump\n");
852 return;
853 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000854
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000855 if (BP_PATH(bp) == 0)
856 trace_shmem_base = bp->common.shmem_base;
857 else
858 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
859 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000860 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000861 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
862 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864
Joe Perches7995c642010-02-17 15:01:52 +0000865 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000866 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000868 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200869 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000870 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200871 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000872 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000874 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000876 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200877 }
Joe Perches7995c642010-02-17 15:01:52 +0000878 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200879}
880
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000881void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200882{
883 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000884 u16 j;
885 struct hc_sp_status_block_data sp_sb_data;
886 int func = BP_FUNC(bp);
887#ifdef BNX2X_STOP_ON_ERROR
888 u16 start = 0, end = 0;
889#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200890
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700891 bp->stats_state = STATS_STATE_DISABLED;
892 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
893
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200894 BNX2X_ERR("begin crash dump -----------------\n");
895
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000896 /* Indices */
897 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000898 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000899 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000900 bp->def_idx, bp->def_att_idx,
901 bp->attn_state, bp->spq_prod_idx);
902 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
903 bp->def_status_blk->atten_status_block.attn_bits,
904 bp->def_status_blk->atten_status_block.attn_bits_ack,
905 bp->def_status_blk->atten_status_block.status_block_id,
906 bp->def_status_blk->atten_status_block.attn_bits_index);
907 BNX2X_ERR(" def (");
908 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
909 pr_cont("0x%x%s",
910 bp->def_status_blk->sp_sb.index_values[i],
911 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000912
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000913 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
914 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
915 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
916 i*sizeof(u32));
917
918 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
919 "pf_id(0x%x) vnic_id(0x%x) "
920 "vf_id(0x%x) vf_valid (0x%x)\n",
921 sp_sb_data.igu_sb_id,
922 sp_sb_data.igu_seg_id,
923 sp_sb_data.p_func.pf_id,
924 sp_sb_data.p_func.vnic_id,
925 sp_sb_data.p_func.vf_id,
926 sp_sb_data.p_func.vf_valid);
927
928
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000929 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000930 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000931 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000933 struct hc_status_block_data_e1x sb_data_e1x;
934 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000935 CHIP_IS_E2(bp) ?
936 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000937 sb_data_e1x.common.state_machine;
938 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000939 CHIP_IS_E2(bp) ?
940 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000941 sb_data_e1x.index_data;
942 int data_size;
943 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000945 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000946 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000948 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000951 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000952 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000953 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000954 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000955 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000956
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000958 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
959 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
960 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200961 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700962 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000963
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000964 loop = CHIP_IS_E2(bp) ?
965 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966
967 /* host sb data */
968
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000969#ifdef BCM_CNIC
970 if (IS_FCOE_FP(fp))
971 continue;
972#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000973 BNX2X_ERR(" run indexes (");
974 for (j = 0; j < HC_SB_MAX_SM; j++)
975 pr_cont("0x%x%s",
976 fp->sb_running_index[j],
977 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
978
979 BNX2X_ERR(" indexes (");
980 for (j = 0; j < loop; j++)
981 pr_cont("0x%x%s",
982 fp->sb_index_values[j],
983 (j == loop - 1) ? ")" : " ");
984 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000985 data_size = CHIP_IS_E2(bp) ?
986 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000987 sizeof(struct hc_status_block_data_e1x);
988 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000989 sb_data_p = CHIP_IS_E2(bp) ?
990 (u32 *)&sb_data_e2 :
991 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000992 /* copy sb data in here */
993 for (j = 0; j < data_size; j++)
994 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
995 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
996 j * sizeof(u32));
997
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000998 if (CHIP_IS_E2(bp)) {
999 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1000 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1001 sb_data_e2.common.p_func.pf_id,
1002 sb_data_e2.common.p_func.vf_id,
1003 sb_data_e2.common.p_func.vf_valid,
1004 sb_data_e2.common.p_func.vnic_id,
1005 sb_data_e2.common.same_igu_sb_1b);
1006 } else {
1007 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1008 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1009 sb_data_e1x.common.p_func.pf_id,
1010 sb_data_e1x.common.p_func.vf_id,
1011 sb_data_e1x.common.p_func.vf_valid,
1012 sb_data_e1x.common.p_func.vnic_id,
1013 sb_data_e1x.common.same_igu_sb_1b);
1014 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001015
1016 /* SB_SMs data */
1017 for (j = 0; j < HC_SB_MAX_SM; j++) {
1018 pr_cont("SM[%d] __flags (0x%x) "
1019 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1020 "time_to_expire (0x%x) "
1021 "timer_value(0x%x)\n", j,
1022 hc_sm_p[j].__flags,
1023 hc_sm_p[j].igu_sb_id,
1024 hc_sm_p[j].igu_seg_id,
1025 hc_sm_p[j].time_to_expire,
1026 hc_sm_p[j].timer_value);
1027 }
1028
1029 /* Indecies data */
1030 for (j = 0; j < loop; j++) {
1031 pr_cont("INDEX[%d] flags (0x%x) "
1032 "timeout (0x%x)\n", j,
1033 hc_index_p[j].flags,
1034 hc_index_p[j].timeout);
1035 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001036 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001037
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001038#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 /* Rings */
1040 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001041 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001042 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001043
1044 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1045 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001046 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001047 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1048 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1049
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001050 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1051 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001052 }
1053
Eilon Greenstein3196a882008-08-13 15:58:49 -07001054 start = RX_SGE(fp->rx_sge_prod);
1055 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001056 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001057 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1058 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1059
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001060 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1061 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001062 }
1063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 start = RCQ_BD(fp->rx_comp_cons - 10);
1065 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001066 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001067 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1068
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001071 }
1072 }
1073
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001074 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001075 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001076 struct bnx2x_fastpath *fp = &bp->fp[i];
1077
1078 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1079 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1080 for (j = start; j != end; j = TX_BD(j + 1)) {
1081 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1082
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001083 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1084 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001085 }
1086
1087 start = TX_BD(fp->tx_bd_cons - 10);
1088 end = TX_BD(fp->tx_bd_cons + 254);
1089 for (j = start; j != end; j = TX_BD(j + 1)) {
1090 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1091
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001092 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1093 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001094 }
1095 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001096#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 bnx2x_mc_assert(bp);
1099 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001100}
1101
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001102static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001103{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001104 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001105 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1106 u32 val = REG_RD(bp, addr);
1107 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001109
1110 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001111 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1114 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001115 } else if (msi) {
1116 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1117 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1119 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001120 } else {
1121 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001123 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1124 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001125
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001126 if (!CHIP_IS_E1(bp)) {
1127 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1128 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001129
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001130 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001131
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001132 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1133 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134 }
1135
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001136 if (CHIP_IS_E1(bp))
1137 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1138
Eilon Greenstein8badd272009-02-12 08:36:15 +00001139 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1140 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001141
1142 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001143 /*
1144 * Ensure that HC_CONFIG is written before leading/trailing edge config
1145 */
1146 mmiowb();
1147 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001148
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001149 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001150 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001151 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001152 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001153 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001154 /* enable nig and gpio3 attention */
1155 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001156 } else
1157 val = 0xffff;
1158
1159 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1160 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1161 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001162
1163 /* Make sure that interrupts are indeed enabled from here on */
1164 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001165}
1166
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001167static void bnx2x_igu_int_enable(struct bnx2x *bp)
1168{
1169 u32 val;
1170 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1171 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1172
1173 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1174
1175 if (msix) {
1176 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1177 IGU_PF_CONF_SINGLE_ISR_EN);
1178 val |= (IGU_PF_CONF_FUNC_EN |
1179 IGU_PF_CONF_MSI_MSIX_EN |
1180 IGU_PF_CONF_ATTN_BIT_EN);
1181 } else if (msi) {
1182 val &= ~IGU_PF_CONF_INT_LINE_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_MSI_MSIX_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1187 } else {
1188 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_INT_LINE_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1193 }
1194
1195 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1196 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1197
1198 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1199
1200 barrier();
1201
1202 /* init leading/trailing edge */
1203 if (IS_MF(bp)) {
1204 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1205 if (bp->port.pmf)
1206 /* enable nig and gpio3 attention */
1207 val |= 0x1100;
1208 } else
1209 val = 0xffff;
1210
1211 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1212 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1213
1214 /* Make sure that interrupts are indeed enabled from here on */
1215 mmiowb();
1216}
1217
1218void bnx2x_int_enable(struct bnx2x *bp)
1219{
1220 if (bp->common.int_block == INT_BLOCK_HC)
1221 bnx2x_hc_int_enable(bp);
1222 else
1223 bnx2x_igu_int_enable(bp);
1224}
1225
1226static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001227{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001228 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001229 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1230 u32 val = REG_RD(bp, addr);
1231
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001232 /*
1233 * in E1 we must use only PCI configuration space to disable
1234 * MSI/MSIX capablility
1235 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1236 */
1237 if (CHIP_IS_E1(bp)) {
1238 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1239 * Use mask register to prevent from HC sending interrupts
1240 * after we exit the function
1241 */
1242 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1243
1244 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1245 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1246 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1247 } else
1248 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1249 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1250 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1251 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252
1253 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1254 val, port, addr);
1255
Eilon Greenstein8badd272009-02-12 08:36:15 +00001256 /* flush all outstanding writes */
1257 mmiowb();
1258
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001259 REG_WR(bp, addr, val);
1260 if (REG_RD(bp, addr) != val)
1261 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1262}
1263
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001264static void bnx2x_igu_int_disable(struct bnx2x *bp)
1265{
1266 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1267
1268 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1269 IGU_PF_CONF_INT_LINE_EN |
1270 IGU_PF_CONF_ATTN_BIT_EN);
1271
1272 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1273
1274 /* flush all outstanding writes */
1275 mmiowb();
1276
1277 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1278 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1279 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1280}
1281
stephen hemminger8d962862010-10-21 07:50:56 +00001282static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001283{
1284 if (bp->common.int_block == INT_BLOCK_HC)
1285 bnx2x_hc_int_disable(bp);
1286 else
1287 bnx2x_igu_int_disable(bp);
1288}
1289
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001290void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001291{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001292 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001293 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001295 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001296 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001297 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1298
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001299 if (disable_hw)
1300 /* prevent the HW from sending interrupts */
1301 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302
1303 /* make sure all ISRs are done */
1304 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001305 synchronize_irq(bp->msix_table[0].vector);
1306 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001307#ifdef BCM_CNIC
1308 offset++;
1309#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001310 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001311 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001312 } else
1313 synchronize_irq(bp->pdev->irq);
1314
1315 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001316 cancel_delayed_work(&bp->sp_task);
1317 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318}
1319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001320/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001321
1322/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001323 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001324 */
1325
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001326/* Return true if succeeded to acquire the lock */
1327static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1328{
1329 u32 lock_status;
1330 u32 resource_bit = (1 << resource);
1331 int func = BP_FUNC(bp);
1332 u32 hw_lock_control_reg;
1333
1334 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1335
1336 /* Validating that the resource is within range */
1337 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1338 DP(NETIF_MSG_HW,
1339 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1340 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001341 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001342 }
1343
1344 if (func <= 5)
1345 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1346 else
1347 hw_lock_control_reg =
1348 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1349
1350 /* Try to acquire the lock */
1351 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1352 lock_status = REG_RD(bp, hw_lock_control_reg);
1353 if (lock_status & resource_bit)
1354 return true;
1355
1356 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1357 return false;
1358}
1359
Michael Chan993ac7b2009-10-10 13:46:56 +00001360#ifdef BCM_CNIC
1361static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1362#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001363
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001364void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 union eth_rx_cqe *rr_cqe)
1366{
1367 struct bnx2x *bp = fp->bp;
1368 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1369 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001371 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001372 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001373 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001374 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 switch (command | fp->state) {
1377 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1378 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1379 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001380 break;
1381
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001382 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1383 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001384 fp->state = BNX2X_FP_STATE_HALTED;
1385 break;
1386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1388 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1389 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001390 break;
1391
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001392 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001393 BNX2X_ERR("unexpected MC reply (%d) "
1394 "fp[%d] state is %x\n",
1395 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001396 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001397 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001398
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001399 smp_mb__before_atomic_inc();
1400 atomic_inc(&bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001401 /* push the change in fp->state and towards the memory */
1402 smp_wmb();
1403
1404 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001405}
1406
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001407irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001409 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001410 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001411 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001412 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(status == 0)) {
1416 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1417 return IRQ_NONE;
1418 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001419 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001421 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1423 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1424 return IRQ_HANDLED;
1425 }
1426
Eilon Greenstein3196a882008-08-13 15:58:49 -07001427#ifdef BNX2X_STOP_ON_ERROR
1428 if (unlikely(bp->panic))
1429 return IRQ_HANDLED;
1430#endif
1431
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001432 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001433 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001435 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001436 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001437 /* Handle Rx and Tx according to SB id */
1438 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001439 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001441 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001442 status &= ~mask;
1443 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001444 }
1445
Michael Chan993ac7b2009-10-10 13:46:56 +00001446#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001447 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001448 if (status & (mask | 0x1)) {
1449 struct cnic_ops *c_ops = NULL;
1450
1451 rcu_read_lock();
1452 c_ops = rcu_dereference(bp->cnic_ops);
1453 if (c_ops)
1454 c_ops->cnic_handler(bp->cnic_data, NULL);
1455 rcu_read_unlock();
1456
1457 status &= ~mask;
1458 }
1459#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001461 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001462 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463
1464 status &= ~0x1;
1465 if (!status)
1466 return IRQ_HANDLED;
1467 }
1468
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001469 if (unlikely(status))
1470 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001471 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001472
1473 return IRQ_HANDLED;
1474}
1475
1476/* end of fast path */
1477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001478
1479/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001480
1481/*
1482 * General service functions
1483 */
1484
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001485int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001486{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001487 u32 lock_status;
1488 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001489 int func = BP_FUNC(bp);
1490 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001491 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001492
1493 /* Validating that the resource is within range */
1494 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1495 DP(NETIF_MSG_HW,
1496 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1497 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1498 return -EINVAL;
1499 }
1500
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001501 if (func <= 5) {
1502 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1503 } else {
1504 hw_lock_control_reg =
1505 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1506 }
1507
Eliezer Tamirf1410642008-02-28 11:51:50 -08001508 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001509 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001510 if (lock_status & resource_bit) {
1511 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1512 lock_status, resource_bit);
1513 return -EEXIST;
1514 }
1515
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001516 /* Try for 5 second every 5ms */
1517 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001518 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001519 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1520 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001521 if (lock_status & resource_bit)
1522 return 0;
1523
1524 msleep(5);
1525 }
1526 DP(NETIF_MSG_HW, "Timeout\n");
1527 return -EAGAIN;
1528}
1529
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001530int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001531{
1532 u32 lock_status;
1533 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001534 int func = BP_FUNC(bp);
1535 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001536
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001537 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1538
Eliezer Tamirf1410642008-02-28 11:51:50 -08001539 /* Validating that the resource is within range */
1540 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1541 DP(NETIF_MSG_HW,
1542 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1543 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1544 return -EINVAL;
1545 }
1546
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001547 if (func <= 5) {
1548 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1549 } else {
1550 hw_lock_control_reg =
1551 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1552 }
1553
Eliezer Tamirf1410642008-02-28 11:51:50 -08001554 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 if (!(lock_status & resource_bit)) {
1557 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1558 lock_status, resource_bit);
1559 return -EFAULT;
1560 }
1561
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001562 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001563 return 0;
1564}
1565
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001566
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001567int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1568{
1569 /* The GPIO should be swapped if swap register is set and active */
1570 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1571 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1572 int gpio_shift = gpio_num +
1573 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1574 u32 gpio_mask = (1 << gpio_shift);
1575 u32 gpio_reg;
1576 int value;
1577
1578 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1579 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1580 return -EINVAL;
1581 }
1582
1583 /* read GPIO value */
1584 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1585
1586 /* get the requested pin value */
1587 if ((gpio_reg & gpio_mask) == gpio_mask)
1588 value = 1;
1589 else
1590 value = 0;
1591
1592 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1593
1594 return value;
1595}
1596
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001597int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001598{
1599 /* The GPIO should be swapped if swap register is set and active */
1600 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001601 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001602 int gpio_shift = gpio_num +
1603 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1604 u32 gpio_mask = (1 << gpio_shift);
1605 u32 gpio_reg;
1606
1607 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1608 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1609 return -EINVAL;
1610 }
1611
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001612 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001613 /* read GPIO and mask except the float bits */
1614 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1615
1616 switch (mode) {
1617 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1618 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1619 gpio_num, gpio_shift);
1620 /* clear FLOAT and set CLR */
1621 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1622 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1623 break;
1624
1625 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1626 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1627 gpio_num, gpio_shift);
1628 /* clear FLOAT and set SET */
1629 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1631 break;
1632
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001633 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001634 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1635 gpio_num, gpio_shift);
1636 /* set FLOAT */
1637 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1638 break;
1639
1640 default:
1641 break;
1642 }
1643
1644 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001645 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001646
1647 return 0;
1648}
1649
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001650int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1651{
1652 /* The GPIO should be swapped if swap register is set and active */
1653 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1654 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1655 int gpio_shift = gpio_num +
1656 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1657 u32 gpio_mask = (1 << gpio_shift);
1658 u32 gpio_reg;
1659
1660 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1661 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1662 return -EINVAL;
1663 }
1664
1665 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1666 /* read GPIO int */
1667 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1668
1669 switch (mode) {
1670 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1671 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1672 "output low\n", gpio_num, gpio_shift);
1673 /* clear SET and set CLR */
1674 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1675 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 break;
1677
1678 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1679 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1680 "output high\n", gpio_num, gpio_shift);
1681 /* clear CLR and set SET */
1682 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1683 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1684 break;
1685
1686 default:
1687 break;
1688 }
1689
1690 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1691 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1692
1693 return 0;
1694}
1695
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1697{
1698 u32 spio_mask = (1 << spio_num);
1699 u32 spio_reg;
1700
1701 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1702 (spio_num > MISC_REGISTERS_SPIO_7)) {
1703 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1704 return -EINVAL;
1705 }
1706
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001707 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001708 /* read SPIO and mask except the float bits */
1709 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1710
1711 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1714 /* clear FLOAT and set CLR */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1717 break;
1718
Eilon Greenstein6378c022008-08-13 15:59:25 -07001719 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001720 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1721 /* clear FLOAT and set SET */
1722 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1724 break;
1725
1726 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1727 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1728 /* set FLOAT */
1729 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1730 break;
1731
1732 default:
1733 break;
1734 }
1735
1736 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001737 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001738
1739 return 0;
1740}
1741
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001742int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1743{
1744 u32 sel_phy_idx = 0;
1745 if (bp->link_vars.link_up) {
1746 sel_phy_idx = EXT_PHY1;
1747 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1748 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1749 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1750 sel_phy_idx = EXT_PHY2;
1751 } else {
1752
1753 switch (bnx2x_phy_selection(&bp->link_params)) {
1754 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1755 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1756 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1757 sel_phy_idx = EXT_PHY1;
1758 break;
1759 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1760 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1761 sel_phy_idx = EXT_PHY2;
1762 break;
1763 }
1764 }
1765 /*
1766 * The selected actived PHY is always after swapping (in case PHY
1767 * swapping is enabled). So when swapping is enabled, we need to reverse
1768 * the configuration
1769 */
1770
1771 if (bp->link_params.multi_phy_config &
1772 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1773 if (sel_phy_idx == EXT_PHY1)
1774 sel_phy_idx = EXT_PHY2;
1775 else if (sel_phy_idx == EXT_PHY2)
1776 sel_phy_idx = EXT_PHY1;
1777 }
1778 return LINK_CONFIG_IDX(sel_phy_idx);
1779}
1780
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001781void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001782{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001783 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001784 switch (bp->link_vars.ieee_fc &
1785 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001786 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001787 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001788 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001789 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001790
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001791 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001792 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001793 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001794 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001795
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001796 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001797 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001798 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001799
Eliezer Tamirf1410642008-02-28 11:51:50 -08001800 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001801 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001802 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001803 break;
1804 }
1805}
1806
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001807u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001808{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001809 if (!BP_NOMCP(bp)) {
1810 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001811 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1812 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001813 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001814 /* It is recommended to turn off RX FC for jumbo frames
1815 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001816 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001817 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001818 else
David S. Millerc0700f92008-12-16 23:53:20 -08001819 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001820
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001821 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001822
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001823 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001824 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001825 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1826 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001827
Eilon Greenstein19680c42008-08-13 15:47:33 -07001828 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001829
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001830 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001831
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001832 bnx2x_calc_fc_adv(bp);
1833
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001834 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1835 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001836 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001837 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001838 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001839 return rc;
1840 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001841 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001842 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001843}
1844
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001845void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001846{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001847 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001848 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001849 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001850 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001851 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001852
Eilon Greenstein19680c42008-08-13 15:47:33 -07001853 bnx2x_calc_fc_adv(bp);
1854 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001855 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001856}
1857
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001858static void bnx2x__link_reset(struct bnx2x *bp)
1859{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001860 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001861 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001862 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001863 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001864 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001865 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001866}
1867
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001868u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001869{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001870 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001871
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001872 if (!BP_NOMCP(bp)) {
1873 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001874 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1875 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001876 bnx2x_release_phy_lock(bp);
1877 } else
1878 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001879
1880 return rc;
1881}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001882
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001883static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001884{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001885 u32 r_param = bp->link_vars.line_speed / 8;
1886 u32 fair_periodic_timeout_usec;
1887 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001888
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001889 memset(&(bp->cmng.rs_vars), 0,
1890 sizeof(struct rate_shaping_vars_per_port));
1891 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001892
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001893 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1894 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001895
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001896 /* this is the threshold below which no timer arming will occur
1897 1.25 coefficient is for the threshold to be a little bigger
1898 than the real time, to compensate for timer in-accuracy */
1899 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001900 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1901
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001902 /* resolution of fairness timer */
1903 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1904 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1905 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001906
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001907 /* this is the threshold below which we won't arm the timer anymore */
1908 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001910 /* we multiply by 1e3/8 to get bytes/msec.
1911 We don't want the credits to pass a credit
1912 of the t_fair*FAIR_MEM (algorithm resolution) */
1913 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1914 /* since each tick is 4 usec */
1915 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001916}
1917
Eilon Greenstein2691d512009-08-12 08:22:08 +00001918/* Calculates the sum of vn_min_rates.
1919 It's needed for further normalizing of the min_rates.
1920 Returns:
1921 sum of vn_min_rates.
1922 or
1923 0 - if all the min_rates are 0.
1924 In the later case fainess algorithm should be deactivated.
1925 If not all min_rates are zero then those that are zeroes will be set to 1.
1926 */
1927static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1928{
1929 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001930 int vn;
1931
1932 bp->vn_weight_sum = 0;
1933 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001934 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001935 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1936 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1937
1938 /* Skip hidden vns */
1939 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1940 continue;
1941
1942 /* If min rate is zero - set it to 1 */
1943 if (!vn_min_rate)
1944 vn_min_rate = DEF_MIN_RATE;
1945 else
1946 all_zero = 0;
1947
1948 bp->vn_weight_sum += vn_min_rate;
1949 }
1950
1951 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001952 if (all_zero) {
1953 bp->cmng.flags.cmng_enables &=
1954 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1955 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1956 " fairness will be disabled\n");
1957 } else
1958 bp->cmng.flags.cmng_enables |=
1959 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001960}
1961
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001962static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001963{
1964 struct rate_shaping_vars_per_vn m_rs_vn;
1965 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001966 u32 vn_cfg = bp->mf_config[vn];
1967 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001968 u16 vn_min_rate, vn_max_rate;
1969 int i;
1970
1971 /* If function is hidden - set min and max to zeroes */
1972 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1973 vn_min_rate = 0;
1974 vn_max_rate = 0;
1975
1976 } else {
1977 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1978 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001979 /* If min rate is zero - set it to 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001980 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001981 vn_min_rate = DEF_MIN_RATE;
1982 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1983 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
1984 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001985
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001986 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001987 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001988 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001989
1990 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1991 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1992
1993 /* global vn counter - maximal Mbps for this vn */
1994 m_rs_vn.vn_counter.rate = vn_max_rate;
1995
1996 /* quota - number of bytes transmitted in this period */
1997 m_rs_vn.vn_counter.quota =
1998 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1999
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002000 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002001 /* credit for each period of the fairness algorithm:
2002 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002003 vn_weight_sum should not be larger than 10000, thus
2004 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2005 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002006 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002007 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2008 (8 * bp->vn_weight_sum))),
2009 (bp->cmng.fair_vars.fair_threshold * 2));
2010 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002011 m_fair_vn.vn_credit_delta);
2012 }
2013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 /* Store it to internal memory */
2015 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2016 REG_WR(bp, BAR_XSTRORM_INTMEM +
2017 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2018 ((u32 *)(&m_rs_vn))[i]);
2019
2020 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2021 REG_WR(bp, BAR_XSTRORM_INTMEM +
2022 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2023 ((u32 *)(&m_fair_vn))[i]);
2024}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002025
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002026static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2027{
2028 if (CHIP_REV_IS_SLOW(bp))
2029 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002030 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002031 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002032
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002033 return CMNG_FNS_NONE;
2034}
2035
2036static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2037{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002038 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002039
2040 if (BP_NOMCP(bp))
2041 return; /* what should be the default bvalue in this case */
2042
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002043 /* For 2 port configuration the absolute function number formula
2044 * is:
2045 * abs_func = 2 * vn + BP_PORT + BP_PATH
2046 *
2047 * and there are 4 functions per port
2048 *
2049 * For 4 port configuration it is
2050 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2051 *
2052 * and there are 2 functions per port
2053 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002054 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002055 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2056
2057 if (func >= E1H_FUNC_MAX)
2058 break;
2059
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002060 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002061 MF_CFG_RD(bp, func_mf_config[func].config);
2062 }
2063}
2064
2065static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2066{
2067
2068 if (cmng_type == CMNG_FNS_MINMAX) {
2069 int vn;
2070
2071 /* clear cmng_enables */
2072 bp->cmng.flags.cmng_enables = 0;
2073
2074 /* read mf conf from shmem */
2075 if (read_cfg)
2076 bnx2x_read_mf_cfg(bp);
2077
2078 /* Init rate shaping and fairness contexts */
2079 bnx2x_init_port_minmax(bp);
2080
2081 /* vn_weight_sum and enable fairness if not 0 */
2082 bnx2x_calc_vn_weight_sum(bp);
2083
2084 /* calculate and set min-max rate for each vn */
2085 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2086 bnx2x_init_vn_minmax(bp, vn);
2087
2088 /* always enable rate shaping and fairness */
2089 bp->cmng.flags.cmng_enables |=
2090 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2091 if (!bp->vn_weight_sum)
2092 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2093 " fairness will be disabled\n");
2094 return;
2095 }
2096
2097 /* rate shaping and fairness are disabled */
2098 DP(NETIF_MSG_IFUP,
2099 "rate shaping and fairness are disabled\n");
2100}
2101
2102static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2103{
2104 int port = BP_PORT(bp);
2105 int func;
2106 int vn;
2107
2108 /* Set the attention towards other drivers on the same port */
2109 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2110 if (vn == BP_E1HVN(bp))
2111 continue;
2112
2113 func = ((vn << 1) | port);
2114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2115 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2116 }
2117}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002118
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002119/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002120static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002121{
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002122 u32 prev_link_status = bp->link_vars.link_status;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002123 /* Make sure that we are synced with the current statistics */
2124 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2125
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002126 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002127
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002128 if (bp->link_vars.link_up) {
2129
Eilon Greenstein1c063282009-02-12 08:36:43 +00002130 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002131 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002132 int port = BP_PORT(bp);
2133 u32 pause_enabled = 0;
2134
2135 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2136 pause_enabled = 1;
2137
2138 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002139 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002140 pause_enabled);
2141 }
2142
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002143 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2144 struct host_port_stats *pstats;
2145
2146 pstats = bnx2x_sp(bp, port_stats);
2147 /* reset old bmac stats */
2148 memset(&(pstats->mac_stx[0]), 0,
2149 sizeof(struct mac_stx));
2150 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002151 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2153 }
2154
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002155 /* indicate link status only if link status actually changed */
2156 if (prev_link_status != bp->link_vars.link_status)
2157 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002158
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002159 if (IS_MF(bp))
2160 bnx2x_link_sync_notify(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002162 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2163 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002164
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002165 if (cmng_fns != CMNG_FNS_NONE) {
2166 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2167 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2168 } else
2169 /* rate shaping and fairness are disabled */
2170 DP(NETIF_MSG_IFUP,
2171 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002172 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002173}
2174
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002175void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002176{
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002177 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002178 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002179
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002180 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2181
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002182 if (bp->link_vars.link_up)
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2184 else
2185 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2186
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002187 /* the link status update could be the result of a DCC event
2188 hence re-read the shmem mf configuration */
2189 bnx2x_read_mf_cfg(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002190
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002191 /* indicate link status */
2192 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002193}
2194
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002195static void bnx2x_pmf_update(struct bnx2x *bp)
2196{
2197 int port = BP_PORT(bp);
2198 u32 val;
2199
2200 bp->port.pmf = 1;
2201 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2202
2203 /* enable nig attention */
2204 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002205 if (bp->common.int_block == INT_BLOCK_HC) {
2206 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2207 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2208 } else if (CHIP_IS_E2(bp)) {
2209 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2210 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2211 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002212
2213 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002214}
2215
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002216/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217
2218/* slow path */
2219
2220/*
2221 * General service functions
2222 */
2223
Eilon Greenstein2691d512009-08-12 08:22:08 +00002224/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002225u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002226{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002227 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002228 u32 seq = ++bp->fw_seq;
2229 u32 rc = 0;
2230 u32 cnt = 1;
2231 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2232
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002233 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2235 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2236
Eilon Greenstein2691d512009-08-12 08:22:08 +00002237 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2238
2239 do {
2240 /* let the FW do it's magic ... */
2241 msleep(delay);
2242
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002243 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002244
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002245 /* Give the FW up to 5 second (500*10ms) */
2246 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002247
2248 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2249 cnt*delay, rc, seq);
2250
2251 /* is this a reply to our command? */
2252 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2253 rc &= FW_MSG_CODE_MASK;
2254 else {
2255 /* FW BUG! */
2256 BNX2X_ERR("FW failed to respond!\n");
2257 bnx2x_fw_dump(bp);
2258 rc = 0;
2259 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002260 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002261
2262 return rc;
2263}
2264
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002265static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2266{
2267#ifdef BCM_CNIC
2268 if (IS_FCOE_FP(fp) && IS_MF(bp))
2269 return false;
2270#endif
2271 return true;
2272}
2273
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002274/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002275static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002276{
2277 u32 mask = (1 << cl_id);
2278
2279 /* initial seeting is BNX2X_ACCEPT_NONE */
2280 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2281 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2282 u8 unmatched_unicast = 0;
2283
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002284 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2285 unmatched_unicast = 1;
2286
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287 if (filters & BNX2X_PROMISCUOUS_MODE) {
2288 /* promiscious - accept all, drop none */
2289 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2290 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002291 if (IS_MF_SI(bp)) {
2292 /*
2293 * SI mode defines to accept in promiscuos mode
2294 * only unmatched packets
2295 */
2296 unmatched_unicast = 1;
2297 accp_all_ucast = 0;
2298 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002299 }
2300 if (filters & BNX2X_ACCEPT_UNICAST) {
2301 /* accept matched ucast */
2302 drop_all_ucast = 0;
2303 }
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);
Michael Chan993ac7b2009-10-10 13:46:56 +00006459
6460 /* Send a SET_MAC ramrod */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006461 bnx2x_set_mac_addr_gen(bp, set, bp->iscsi_mac, cl_bit_vec,
6462 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006463
6464 bnx2x_set_mac_in_nig(bp, set, bp->iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006465
6466 return 0;
6467}
6468
6469/**
6470 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6471 * ETH MAC(s). This function will wait until the ramdord
6472 * completion returns.
6473 *
6474 * @param bp driver handle
6475 * @param set set or clear the CAM entry
6476 *
6477 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6478 */
6479int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6480{
6481 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6482 /**
6483 * CAM allocation for E1H
6484 * eth unicasts: by func number
6485 * iscsi: by func number
6486 * fip unicast: by func number
6487 * fip multicast: by func number
6488 */
6489 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6490 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6491
6492 return 0;
6493}
6494
6495int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6496{
6497 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6498
6499 /**
6500 * CAM allocation for E1H
6501 * eth unicasts: by func number
6502 * iscsi: by func number
6503 * fip unicast: by func number
6504 * fip multicast: by func number
6505 */
6506 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6507 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6508
Michael Chan993ac7b2009-10-10 13:46:56 +00006509 return 0;
6510}
6511#endif
6512
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006513static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6514 struct bnx2x_client_init_params *params,
6515 u8 activate,
6516 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006517{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006518 /* Clear the buffer */
6519 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006520
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006521 /* general */
6522 data->general.client_id = params->rxq_params.cl_id;
6523 data->general.statistics_counter_id = params->rxq_params.stat_id;
6524 data->general.statistics_en_flg =
6525 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006526 data->general.is_fcoe_flg =
6527 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006528 data->general.activate_flg = activate;
6529 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006530
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006531 /* Rx data */
6532 data->rx.tpa_en_flg =
6533 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6534 data->rx.vmqueue_mode_en_flg = 0;
6535 data->rx.cache_line_alignment_log_size =
6536 params->rxq_params.cache_line_log;
6537 data->rx.enable_dynamic_hc =
6538 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6539 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6540 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6541 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6542
6543 /* We don't set drop flags */
6544 data->rx.drop_ip_cs_err_flg = 0;
6545 data->rx.drop_tcp_cs_err_flg = 0;
6546 data->rx.drop_ttl0_flg = 0;
6547 data->rx.drop_udp_cs_err_flg = 0;
6548
6549 data->rx.inner_vlan_removal_enable_flg =
6550 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6551 data->rx.outer_vlan_removal_enable_flg =
6552 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6553 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6554 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6555 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6556 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6557 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6558 data->rx.bd_page_base.lo =
6559 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6560 data->rx.bd_page_base.hi =
6561 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6562 data->rx.sge_page_base.lo =
6563 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6564 data->rx.sge_page_base.hi =
6565 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6566 data->rx.cqe_page_base.lo =
6567 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6568 data->rx.cqe_page_base.hi =
6569 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6570 data->rx.is_leading_rss =
6571 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6572 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6573
6574 /* Tx data */
6575 data->tx.enforce_security_flg = 0; /* VF specific */
6576 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6577 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6578 data->tx.mtu = 0; /* VF specific */
6579 data->tx.tx_bd_page_base.lo =
6580 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6581 data->tx.tx_bd_page_base.hi =
6582 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6583
6584 /* flow control data */
6585 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6586 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6587 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6588 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6589 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6590 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6591 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6592
6593 data->fc.safc_group_num = params->txq_params.cos;
6594 data->fc.safc_group_en_flg =
6595 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006596 data->fc.traffic_type =
6597 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6598 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006599}
6600
6601static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6602{
6603 /* ustorm cxt validation */
6604 cxt->ustorm_ag_context.cdu_usage =
6605 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6606 ETH_CONNECTION_TYPE);
6607 /* xcontext validation */
6608 cxt->xstorm_ag_context.cdu_reserved =
6609 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6610 ETH_CONNECTION_TYPE);
6611}
6612
stephen hemminger8d962862010-10-21 07:50:56 +00006613static int bnx2x_setup_fw_client(struct bnx2x *bp,
6614 struct bnx2x_client_init_params *params,
6615 u8 activate,
6616 struct client_init_ramrod_data *data,
6617 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006618{
6619 u16 hc_usec;
6620 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6621 int ramrod_flags = 0, rc;
6622
6623 /* HC and context validation values */
6624 hc_usec = params->txq_params.hc_rate ?
6625 1000000 / params->txq_params.hc_rate : 0;
6626 bnx2x_update_coalesce_sb_index(bp,
6627 params->txq_params.fw_sb_id,
6628 params->txq_params.sb_cq_index,
6629 !(params->txq_params.flags & QUEUE_FLG_HC),
6630 hc_usec);
6631
6632 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6633
6634 hc_usec = params->rxq_params.hc_rate ?
6635 1000000 / params->rxq_params.hc_rate : 0;
6636 bnx2x_update_coalesce_sb_index(bp,
6637 params->rxq_params.fw_sb_id,
6638 params->rxq_params.sb_cq_index,
6639 !(params->rxq_params.flags & QUEUE_FLG_HC),
6640 hc_usec);
6641
6642 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6643 params->rxq_params.cid);
6644
6645 /* zero stats */
6646 if (params->txq_params.flags & QUEUE_FLG_STATS)
6647 storm_memset_xstats_zero(bp, BP_PORT(bp),
6648 params->txq_params.stat_id);
6649
6650 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6651 storm_memset_ustats_zero(bp, BP_PORT(bp),
6652 params->rxq_params.stat_id);
6653 storm_memset_tstats_zero(bp, BP_PORT(bp),
6654 params->rxq_params.stat_id);
6655 }
6656
6657 /* Fill the ramrod data */
6658 bnx2x_fill_cl_init_data(bp, params, activate, data);
6659
6660 /* SETUP ramrod.
6661 *
6662 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6663 * barrier except from mmiowb() is needed to impose a
6664 * proper ordering of memory operations.
6665 */
6666 mmiowb();
6667
6668
6669 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6670 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006672 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006673 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6674 params->ramrod_params.index,
6675 params->ramrod_params.pstate,
6676 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006677 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006678}
6679
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006680/**
6681 * Configure interrupt mode according to current configuration.
6682 * In case of MSI-X it will also try to enable MSI-X.
6683 *
6684 * @param bp
6685 *
6686 * @return int
6687 */
6688static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006689{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006690 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006691
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006692 switch (bp->int_mode) {
6693 case INT_MODE_MSI:
6694 bnx2x_enable_msi(bp);
6695 /* falling through... */
6696 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006697 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006698 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006699 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006700 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006701 /* Set number of queues according to bp->multi_mode value */
6702 bnx2x_set_num_queues(bp);
6703
6704 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6705 bp->num_queues);
6706
6707 /* if we can't use MSI-X we only need one fp,
6708 * so try to enable MSI-X with the requested number of fp's
6709 * and fallback to MSI or legacy INTx with one fp
6710 */
6711 rc = bnx2x_enable_msix(bp);
6712 if (rc) {
6713 /* failed to enable MSI-X */
6714 if (bp->multi_mode)
6715 DP(NETIF_MSG_IFUP,
6716 "Multi requested but failed to "
6717 "enable MSI-X (%d), "
6718 "set number of queues to %d\n",
6719 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006720 1 + NONE_ETH_CONTEXT_USE);
6721 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006722
6723 if (!(bp->flags & DISABLE_MSI_FLAG))
6724 bnx2x_enable_msi(bp);
6725 }
6726
Eilon Greensteinca003922009-08-12 22:53:28 -07006727 break;
6728 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006729
6730 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006731}
6732
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006733/* must be called prioir to any HW initializations */
6734static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6735{
6736 return L2_ILT_LINES(bp);
6737}
6738
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006739void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006740{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006741 struct ilt_client_info *ilt_client;
6742 struct bnx2x_ilt *ilt = BP_ILT(bp);
6743 u16 line = 0;
6744
6745 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6746 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6747
6748 /* CDU */
6749 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6750 ilt_client->client_num = ILT_CLIENT_CDU;
6751 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6752 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6753 ilt_client->start = line;
6754 line += L2_ILT_LINES(bp);
6755#ifdef BCM_CNIC
6756 line += CNIC_ILT_LINES;
6757#endif
6758 ilt_client->end = line - 1;
6759
6760 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6761 "flags 0x%x, hw psz %d\n",
6762 ilt_client->start,
6763 ilt_client->end,
6764 ilt_client->page_size,
6765 ilt_client->flags,
6766 ilog2(ilt_client->page_size >> 12));
6767
6768 /* QM */
6769 if (QM_INIT(bp->qm_cid_count)) {
6770 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6771 ilt_client->client_num = ILT_CLIENT_QM;
6772 ilt_client->page_size = QM_ILT_PAGE_SZ;
6773 ilt_client->flags = 0;
6774 ilt_client->start = line;
6775
6776 /* 4 bytes for each cid */
6777 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6778 QM_ILT_PAGE_SZ);
6779
6780 ilt_client->end = line - 1;
6781
6782 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6783 "flags 0x%x, hw psz %d\n",
6784 ilt_client->start,
6785 ilt_client->end,
6786 ilt_client->page_size,
6787 ilt_client->flags,
6788 ilog2(ilt_client->page_size >> 12));
6789
6790 }
6791 /* SRC */
6792 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6793#ifdef BCM_CNIC
6794 ilt_client->client_num = ILT_CLIENT_SRC;
6795 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6796 ilt_client->flags = 0;
6797 ilt_client->start = line;
6798 line += SRC_ILT_LINES;
6799 ilt_client->end = line - 1;
6800
6801 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6802 "flags 0x%x, hw psz %d\n",
6803 ilt_client->start,
6804 ilt_client->end,
6805 ilt_client->page_size,
6806 ilt_client->flags,
6807 ilog2(ilt_client->page_size >> 12));
6808
6809#else
6810 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6811#endif
6812
6813 /* TM */
6814 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6815#ifdef BCM_CNIC
6816 ilt_client->client_num = ILT_CLIENT_TM;
6817 ilt_client->page_size = TM_ILT_PAGE_SZ;
6818 ilt_client->flags = 0;
6819 ilt_client->start = line;
6820 line += TM_ILT_LINES;
6821 ilt_client->end = line - 1;
6822
6823 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6824 "flags 0x%x, hw psz %d\n",
6825 ilt_client->start,
6826 ilt_client->end,
6827 ilt_client->page_size,
6828 ilt_client->flags,
6829 ilog2(ilt_client->page_size >> 12));
6830
6831#else
6832 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6833#endif
6834}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006835
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006836int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6837 int is_leading)
6838{
6839 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006840 int rc;
6841
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006842 /* reset IGU state skip FCoE L2 queue */
6843 if (!IS_FCOE_FP(fp))
6844 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006845 IGU_INT_ENABLE, 0);
6846
6847 params.ramrod_params.pstate = &fp->state;
6848 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6849 params.ramrod_params.index = fp->index;
6850 params.ramrod_params.cid = fp->cid;
6851
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006852#ifdef BCM_CNIC
6853 if (IS_FCOE_FP(fp))
6854 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6855
6856#endif
6857
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006858 if (is_leading)
6859 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6860
6861 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6862
6863 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6864
6865 rc = bnx2x_setup_fw_client(bp, &params, 1,
6866 bnx2x_sp(bp, client_init_data),
6867 bnx2x_sp_mapping(bp, client_init_data));
6868 return rc;
6869}
6870
stephen hemminger8d962862010-10-21 07:50:56 +00006871static int bnx2x_stop_fw_client(struct bnx2x *bp,
6872 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006873{
6874 int rc;
6875
6876 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6877
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006878 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006879 *p->pstate = BNX2X_FP_STATE_HALTING;
6880 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6881 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006882
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006883 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006884 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6885 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006886 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006887 return rc;
6888
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006889 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6890 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6891 p->cl_id, 0);
6892 /* Wait for completion */
6893 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6894 p->pstate, poll_flag);
6895 if (rc) /* timeout */
6896 return rc;
6897
6898
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006899 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006900 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006901
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006902 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006903 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6904 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006905 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006906}
6907
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006908static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006909{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006910 struct bnx2x_client_ramrod_params client_stop = {0};
6911 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006912
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006913 client_stop.index = index;
6914 client_stop.cid = fp->cid;
6915 client_stop.cl_id = fp->cl_id;
6916 client_stop.pstate = &(fp->state);
6917 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006918
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006919 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006920}
6921
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006922
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006923static void bnx2x_reset_func(struct bnx2x *bp)
6924{
6925 int port = BP_PORT(bp);
6926 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006927 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006928 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006929 (CHIP_IS_E2(bp) ?
6930 offsetof(struct hc_status_block_data_e2, common) :
6931 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006932 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6933 int pfid_offset = offsetof(struct pci_entity, pf_id);
6934
6935 /* Disable the function in the FW */
6936 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6937 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6938 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6939 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6940
6941 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006942 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006943 struct bnx2x_fastpath *fp = &bp->fp[i];
6944 REG_WR8(bp,
6945 BAR_CSTRORM_INTMEM +
6946 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6947 + pfunc_offset_fp + pfid_offset,
6948 HC_FUNCTION_DISABLED);
6949 }
6950
6951 /* SP SB */
6952 REG_WR8(bp,
6953 BAR_CSTRORM_INTMEM +
6954 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6955 pfunc_offset_sp + pfid_offset,
6956 HC_FUNCTION_DISABLED);
6957
6958
6959 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6960 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6961 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006962
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006963 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006964 if (bp->common.int_block == INT_BLOCK_HC) {
6965 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6966 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6967 } else {
6968 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6969 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6970 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006971
Michael Chan37b091b2009-10-10 13:46:55 +00006972#ifdef BCM_CNIC
6973 /* Disable Timer scan */
6974 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6975 /*
6976 * Wait for at least 10ms and up to 2 second for the timers scan to
6977 * complete
6978 */
6979 for (i = 0; i < 200; i++) {
6980 msleep(10);
6981 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6982 break;
6983 }
6984#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006985 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006986 bnx2x_clear_func_ilt(bp, func);
6987
6988 /* Timers workaround bug for E2: if this is vnic-3,
6989 * we need to set the entire ilt range for this timers.
6990 */
6991 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6992 struct ilt_client_info ilt_cli;
6993 /* use dummy TM client */
6994 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6995 ilt_cli.start = 0;
6996 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6997 ilt_cli.client_num = ILT_CLIENT_TM;
6998
6999 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7000 }
7001
7002 /* this assumes that reset_port() called before reset_func()*/
7003 if (CHIP_IS_E2(bp))
7004 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007005
7006 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007007}
7008
7009static void bnx2x_reset_port(struct bnx2x *bp)
7010{
7011 int port = BP_PORT(bp);
7012 u32 val;
7013
7014 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7015
7016 /* Do not rcv packets to BRB */
7017 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7018 /* Do not direct rcv packets that are not for MCP to the BRB */
7019 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7020 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7021
7022 /* Configure AEU */
7023 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7024
7025 msleep(100);
7026 /* Check for BRB port occupancy */
7027 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7028 if (val)
7029 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007030 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007031
7032 /* TODO: Close Doorbell port? */
7033}
7034
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007035static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7036{
7037 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007038 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007039
7040 switch (reset_code) {
7041 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7042 bnx2x_reset_port(bp);
7043 bnx2x_reset_func(bp);
7044 bnx2x_reset_common(bp);
7045 break;
7046
7047 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7048 bnx2x_reset_port(bp);
7049 bnx2x_reset_func(bp);
7050 break;
7051
7052 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7053 bnx2x_reset_func(bp);
7054 break;
7055
7056 default:
7057 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7058 break;
7059 }
7060}
7061
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007062#ifdef BCM_CNIC
7063static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7064{
7065 if (bp->flags & FCOE_MACS_SET) {
7066 if (!IS_MF_SD(bp))
7067 bnx2x_set_fip_eth_mac_addr(bp, 0);
7068
7069 bnx2x_set_all_enode_macs(bp, 0);
7070
7071 bp->flags &= ~FCOE_MACS_SET;
7072 }
7073}
7074#endif
7075
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007076void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007077{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007078 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007079 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007080 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007081
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007082 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007083 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007084 struct bnx2x_fastpath *fp = &bp->fp[i];
7085
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007086 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007087 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007088
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007089 if (!cnt) {
7090 BNX2X_ERR("timeout waiting for queue[%d]\n",
7091 i);
7092#ifdef BNX2X_STOP_ON_ERROR
7093 bnx2x_panic();
7094 return -EBUSY;
7095#else
7096 break;
7097#endif
7098 }
7099 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007100 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007101 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007102 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007103 /* Give HW time to discard old tx messages */
7104 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007105
Yitchak Gertner65abd742008-08-25 15:26:24 -07007106 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007107 /* invalidate mc list,
7108 * wait and poll (interrupts are off)
7109 */
7110 bnx2x_invlidate_e1_mc_list(bp);
7111 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007112
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007113 } else {
Yitchak Gertner65abd742008-08-25 15:26:24 -07007114 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7115
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007116 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007117
7118 for (i = 0; i < MC_HASH_SIZE; i++)
7119 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7120 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007121
Michael Chan993ac7b2009-10-10 13:46:56 +00007122#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007123 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007124#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007125
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007126 if (unload_mode == UNLOAD_NORMAL)
7127 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007128
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007129 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007130 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007131
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007132 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007133 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007134 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007135 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007136 /* The mac address is written to entries 1-4 to
7137 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007138 u8 entry = (BP_E1HVN(bp) + 1)*8;
7139
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007140 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007141 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007142
7143 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7144 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007145 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007146
7147 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007148
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007149 } else
7150 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7151
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007152 /* Close multi and leading connections
7153 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007154 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007156 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007157#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007158 return;
7159#else
7160 goto unload_error;
7161#endif
7162
7163 rc = bnx2x_func_stop(bp);
7164 if (rc) {
7165 BNX2X_ERR("Function stop failed!\n");
7166#ifdef BNX2X_STOP_ON_ERROR
7167 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007168#else
7169 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007170#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007171 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007172#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007173unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007174#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007175 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007176 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007177 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007178 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7179 "%d, %d, %d\n", BP_PATH(bp),
7180 load_count[BP_PATH(bp)][0],
7181 load_count[BP_PATH(bp)][1],
7182 load_count[BP_PATH(bp)][2]);
7183 load_count[BP_PATH(bp)][0]--;
7184 load_count[BP_PATH(bp)][1 + port]--;
7185 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7186 "%d, %d, %d\n", BP_PATH(bp),
7187 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7188 load_count[BP_PATH(bp)][2]);
7189 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007190 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007191 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7193 else
7194 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7195 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007196
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007197 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7198 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7199 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007200
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007201 /* Disable HW interrupts, NAPI */
7202 bnx2x_netif_stop(bp, 1);
7203
7204 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007205 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007206
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007207 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007208 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007209
7210 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007211 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007212 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007213
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007214}
7215
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007216void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007217{
7218 u32 val;
7219
7220 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7221
7222 if (CHIP_IS_E1(bp)) {
7223 int port = BP_PORT(bp);
7224 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7225 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7226
7227 val = REG_RD(bp, addr);
7228 val &= ~(0x300);
7229 REG_WR(bp, addr, val);
7230 } else if (CHIP_IS_E1H(bp)) {
7231 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7232 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7233 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7234 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7235 }
7236}
7237
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007238/* Close gates #2, #3 and #4: */
7239static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7240{
7241 u32 val, addr;
7242
7243 /* Gates #2 and #4a are closed/opened for "not E1" only */
7244 if (!CHIP_IS_E1(bp)) {
7245 /* #4 */
7246 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7247 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7248 close ? (val | 0x1) : (val & (~(u32)1)));
7249 /* #2 */
7250 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7251 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7252 close ? (val | 0x1) : (val & (~(u32)1)));
7253 }
7254
7255 /* #3 */
7256 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7257 val = REG_RD(bp, addr);
7258 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7259
7260 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7261 close ? "closing" : "opening");
7262 mmiowb();
7263}
7264
7265#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7266
7267static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7268{
7269 /* Do some magic... */
7270 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7271 *magic_val = val & SHARED_MF_CLP_MAGIC;
7272 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7273}
7274
7275/* Restore the value of the `magic' bit.
7276 *
7277 * @param pdev Device handle.
7278 * @param magic_val Old value of the `magic' bit.
7279 */
7280static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7281{
7282 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007283 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7284 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7285 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7286}
7287
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007288/**
7289 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007290 *
7291 * @param bp
7292 * @param magic_val Old value of 'magic' bit.
7293 */
7294static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7295{
7296 u32 shmem;
7297 u32 validity_offset;
7298
7299 DP(NETIF_MSG_HW, "Starting\n");
7300
7301 /* Set `magic' bit in order to save MF config */
7302 if (!CHIP_IS_E1(bp))
7303 bnx2x_clp_reset_prep(bp, magic_val);
7304
7305 /* Get shmem offset */
7306 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7307 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7308
7309 /* Clear validity map flags */
7310 if (shmem > 0)
7311 REG_WR(bp, shmem + validity_offset, 0);
7312}
7313
7314#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7315#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7316
7317/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7318 * depending on the HW type.
7319 *
7320 * @param bp
7321 */
7322static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7323{
7324 /* special handling for emulation and FPGA,
7325 wait 10 times longer */
7326 if (CHIP_REV_IS_SLOW(bp))
7327 msleep(MCP_ONE_TIMEOUT*10);
7328 else
7329 msleep(MCP_ONE_TIMEOUT);
7330}
7331
7332static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7333{
7334 u32 shmem, cnt, validity_offset, val;
7335 int rc = 0;
7336
7337 msleep(100);
7338
7339 /* Get shmem offset */
7340 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7341 if (shmem == 0) {
7342 BNX2X_ERR("Shmem 0 return failure\n");
7343 rc = -ENOTTY;
7344 goto exit_lbl;
7345 }
7346
7347 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7348
7349 /* Wait for MCP to come up */
7350 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7351 /* TBD: its best to check validity map of last port.
7352 * currently checks on port 0.
7353 */
7354 val = REG_RD(bp, shmem + validity_offset);
7355 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7356 shmem + validity_offset, val);
7357
7358 /* check that shared memory is valid. */
7359 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7360 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7361 break;
7362
7363 bnx2x_mcp_wait_one(bp);
7364 }
7365
7366 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7367
7368 /* Check that shared memory is valid. This indicates that MCP is up. */
7369 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7370 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7371 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7372 rc = -ENOTTY;
7373 goto exit_lbl;
7374 }
7375
7376exit_lbl:
7377 /* Restore the `magic' bit value */
7378 if (!CHIP_IS_E1(bp))
7379 bnx2x_clp_reset_done(bp, magic_val);
7380
7381 return rc;
7382}
7383
7384static void bnx2x_pxp_prep(struct bnx2x *bp)
7385{
7386 if (!CHIP_IS_E1(bp)) {
7387 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7388 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7389 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7390 mmiowb();
7391 }
7392}
7393
7394/*
7395 * Reset the whole chip except for:
7396 * - PCIE core
7397 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7398 * one reset bit)
7399 * - IGU
7400 * - MISC (including AEU)
7401 * - GRC
7402 * - RBCN, RBCP
7403 */
7404static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7405{
7406 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7407
7408 not_reset_mask1 =
7409 MISC_REGISTERS_RESET_REG_1_RST_HC |
7410 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7411 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7412
7413 not_reset_mask2 =
7414 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7415 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7416 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7417 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7418 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7419 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7420 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7421 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7422
7423 reset_mask1 = 0xffffffff;
7424
7425 if (CHIP_IS_E1(bp))
7426 reset_mask2 = 0xffff;
7427 else
7428 reset_mask2 = 0x1ffff;
7429
7430 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7431 reset_mask1 & (~not_reset_mask1));
7432 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7433 reset_mask2 & (~not_reset_mask2));
7434
7435 barrier();
7436 mmiowb();
7437
7438 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7439 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7440 mmiowb();
7441}
7442
7443static int bnx2x_process_kill(struct bnx2x *bp)
7444{
7445 int cnt = 1000;
7446 u32 val = 0;
7447 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7448
7449
7450 /* Empty the Tetris buffer, wait for 1s */
7451 do {
7452 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7453 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7454 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7455 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7456 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7457 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7458 ((port_is_idle_0 & 0x1) == 0x1) &&
7459 ((port_is_idle_1 & 0x1) == 0x1) &&
7460 (pgl_exp_rom2 == 0xffffffff))
7461 break;
7462 msleep(1);
7463 } while (cnt-- > 0);
7464
7465 if (cnt <= 0) {
7466 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7467 " are still"
7468 " outstanding read requests after 1s!\n");
7469 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7470 " port_is_idle_0=0x%08x,"
7471 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7472 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7473 pgl_exp_rom2);
7474 return -EAGAIN;
7475 }
7476
7477 barrier();
7478
7479 /* Close gates #2, #3 and #4 */
7480 bnx2x_set_234_gates(bp, true);
7481
7482 /* TBD: Indicate that "process kill" is in progress to MCP */
7483
7484 /* Clear "unprepared" bit */
7485 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7486 barrier();
7487
7488 /* Make sure all is written to the chip before the reset */
7489 mmiowb();
7490
7491 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7492 * PSWHST, GRC and PSWRD Tetris buffer.
7493 */
7494 msleep(1);
7495
7496 /* Prepare to chip reset: */
7497 /* MCP */
7498 bnx2x_reset_mcp_prep(bp, &val);
7499
7500 /* PXP */
7501 bnx2x_pxp_prep(bp);
7502 barrier();
7503
7504 /* reset the chip */
7505 bnx2x_process_kill_chip_reset(bp);
7506 barrier();
7507
7508 /* Recover after reset: */
7509 /* MCP */
7510 if (bnx2x_reset_mcp_comp(bp, val))
7511 return -EAGAIN;
7512
7513 /* PXP */
7514 bnx2x_pxp_prep(bp);
7515
7516 /* Open the gates #2, #3 and #4 */
7517 bnx2x_set_234_gates(bp, false);
7518
7519 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7520 * reset state, re-enable attentions. */
7521
7522 return 0;
7523}
7524
7525static int bnx2x_leader_reset(struct bnx2x *bp)
7526{
7527 int rc = 0;
7528 /* Try to recover after the failure */
7529 if (bnx2x_process_kill(bp)) {
7530 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7531 bp->dev->name);
7532 rc = -EAGAIN;
7533 goto exit_leader_reset;
7534 }
7535
7536 /* Clear "reset is in progress" bit and update the driver state */
7537 bnx2x_set_reset_done(bp);
7538 bp->recovery_state = BNX2X_RECOVERY_DONE;
7539
7540exit_leader_reset:
7541 bp->is_leader = 0;
7542 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7543 smp_wmb();
7544 return rc;
7545}
7546
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007547/* Assumption: runs under rtnl lock. This together with the fact
7548 * that it's called only from bnx2x_reset_task() ensure that it
7549 * will never be called when netif_running(bp->dev) is false.
7550 */
7551static void bnx2x_parity_recover(struct bnx2x *bp)
7552{
7553 DP(NETIF_MSG_HW, "Handling parity\n");
7554 while (1) {
7555 switch (bp->recovery_state) {
7556 case BNX2X_RECOVERY_INIT:
7557 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7558 /* Try to get a LEADER_LOCK HW lock */
7559 if (bnx2x_trylock_hw_lock(bp,
7560 HW_LOCK_RESOURCE_RESERVED_08))
7561 bp->is_leader = 1;
7562
7563 /* Stop the driver */
7564 /* If interface has been removed - break */
7565 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7566 return;
7567
7568 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7569 /* Ensure "is_leader" and "recovery_state"
7570 * update values are seen on other CPUs
7571 */
7572 smp_wmb();
7573 break;
7574
7575 case BNX2X_RECOVERY_WAIT:
7576 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7577 if (bp->is_leader) {
7578 u32 load_counter = bnx2x_get_load_cnt(bp);
7579 if (load_counter) {
7580 /* Wait until all other functions get
7581 * down.
7582 */
7583 schedule_delayed_work(&bp->reset_task,
7584 HZ/10);
7585 return;
7586 } else {
7587 /* If all other functions got down -
7588 * try to bring the chip back to
7589 * normal. In any case it's an exit
7590 * point for a leader.
7591 */
7592 if (bnx2x_leader_reset(bp) ||
7593 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7594 printk(KERN_ERR"%s: Recovery "
7595 "has failed. Power cycle is "
7596 "needed.\n", bp->dev->name);
7597 /* Disconnect this device */
7598 netif_device_detach(bp->dev);
7599 /* Block ifup for all function
7600 * of this ASIC until
7601 * "process kill" or power
7602 * cycle.
7603 */
7604 bnx2x_set_reset_in_progress(bp);
7605 /* Shut down the power */
7606 bnx2x_set_power_state(bp,
7607 PCI_D3hot);
7608 return;
7609 }
7610
7611 return;
7612 }
7613 } else { /* non-leader */
7614 if (!bnx2x_reset_is_done(bp)) {
7615 /* Try to get a LEADER_LOCK HW lock as
7616 * long as a former leader may have
7617 * been unloaded by the user or
7618 * released a leadership by another
7619 * reason.
7620 */
7621 if (bnx2x_trylock_hw_lock(bp,
7622 HW_LOCK_RESOURCE_RESERVED_08)) {
7623 /* I'm a leader now! Restart a
7624 * switch case.
7625 */
7626 bp->is_leader = 1;
7627 break;
7628 }
7629
7630 schedule_delayed_work(&bp->reset_task,
7631 HZ/10);
7632 return;
7633
7634 } else { /* A leader has completed
7635 * the "process kill". It's an exit
7636 * point for a non-leader.
7637 */
7638 bnx2x_nic_load(bp, LOAD_NORMAL);
7639 bp->recovery_state =
7640 BNX2X_RECOVERY_DONE;
7641 smp_wmb();
7642 return;
7643 }
7644 }
7645 default:
7646 return;
7647 }
7648 }
7649}
7650
7651/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7652 * scheduled on a general queue in order to prevent a dead lock.
7653 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007654static void bnx2x_reset_task(struct work_struct *work)
7655{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007656 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007657
7658#ifdef BNX2X_STOP_ON_ERROR
7659 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7660 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007661 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007662 return;
7663#endif
7664
7665 rtnl_lock();
7666
7667 if (!netif_running(bp->dev))
7668 goto reset_task_exit;
7669
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007670 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7671 bnx2x_parity_recover(bp);
7672 else {
7673 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7674 bnx2x_nic_load(bp, LOAD_NORMAL);
7675 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007676
7677reset_task_exit:
7678 rtnl_unlock();
7679}
7680
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007681/* end of nic load/unload */
7682
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007683/*
7684 * Init service functions
7685 */
7686
stephen hemminger8d962862010-10-21 07:50:56 +00007687static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007688{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007689 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7690 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7691 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007692}
7693
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007694static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007695{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007696 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007697
7698 /* Flush all outstanding writes */
7699 mmiowb();
7700
7701 /* Pretend to be function 0 */
7702 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007703 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007704
7705 /* From now we are in the "like-E1" mode */
7706 bnx2x_int_disable(bp);
7707
7708 /* Flush all outstanding writes */
7709 mmiowb();
7710
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007711 /* Restore the original function */
7712 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7713 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007714}
7715
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007716static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007717{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007718 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007719 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007720 else
7721 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007722}
7723
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007724static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007725{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007726 u32 val;
7727
7728 /* Check if there is any driver already loaded */
7729 val = REG_RD(bp, MISC_REG_UNPREPARED);
7730 if (val == 0x1) {
7731 /* Check if it is the UNDI driver
7732 * UNDI driver initializes CID offset for normal bell to 0x7
7733 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007734 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007735 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7736 if (val == 0x7) {
7737 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007738 /* save our pf_num */
7739 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007740 u32 swap_en;
7741 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007742
Eilon Greensteinb4661732009-01-14 06:43:56 +00007743 /* clear the UNDI indication */
7744 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7745
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007746 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7747
7748 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007749 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007750 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007751 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007752 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007753 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007754
7755 /* if UNDI is loaded on the other port */
7756 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7757
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007758 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007759 bnx2x_fw_command(bp,
7760 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007761
7762 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007763 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007764 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007765 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007766 DRV_MSG_SEQ_NUMBER_MASK);
7767 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007768
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007769 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007770 }
7771
Eilon Greensteinb4661732009-01-14 06:43:56 +00007772 /* now it's safe to release the lock */
7773 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7774
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007775 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007776
7777 /* close input traffic and wait for it */
7778 /* Do not rcv packets to BRB */
7779 REG_WR(bp,
7780 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7781 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7782 /* Do not direct rcv packets that are not for MCP to
7783 * the BRB */
7784 REG_WR(bp,
7785 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7786 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7787 /* clear AEU */
7788 REG_WR(bp,
7789 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7790 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7791 msleep(10);
7792
7793 /* save NIG port swap info */
7794 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7795 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007796 /* reset device */
7797 REG_WR(bp,
7798 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007799 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007800 REG_WR(bp,
7801 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7802 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007803 /* take the NIG out of reset and restore swap values */
7804 REG_WR(bp,
7805 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7806 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7807 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7808 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7809
7810 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007811 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007812
7813 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007814 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007815 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007816 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007817 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007818 } else
7819 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007820 }
7821}
7822
7823static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7824{
7825 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007826 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007827
7828 /* Get the chip revision id and number. */
7829 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7830 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7831 id = ((val & 0xffff) << 16);
7832 val = REG_RD(bp, MISC_REG_CHIP_REV);
7833 id |= ((val & 0xf) << 12);
7834 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7835 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007836 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007837 id |= (val & 0xf);
7838 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007839
7840 /* Set doorbell size */
7841 bp->db_size = (1 << BNX2X_DB_SHIFT);
7842
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007843 if (CHIP_IS_E2(bp)) {
7844 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7845 if ((val & 1) == 0)
7846 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7847 else
7848 val = (val >> 1) & 1;
7849 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7850 "2_PORT_MODE");
7851 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7852 CHIP_2_PORT_MODE;
7853
7854 if (CHIP_MODE_IS_4_PORT(bp))
7855 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7856 else
7857 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7858 } else {
7859 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7860 bp->pfid = bp->pf_num; /* 0..7 */
7861 }
7862
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007863 /*
7864 * set base FW non-default (fast path) status block id, this value is
7865 * used to initialize the fw_sb_id saved on the fp/queue structure to
7866 * determine the id used by the FW.
7867 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007868 if (CHIP_IS_E1x(bp))
7869 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7870 else /* E2 */
7871 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7872
7873 bp->link_params.chip_id = bp->common.chip_id;
7874 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007875
Eilon Greenstein1c063282009-02-12 08:36:43 +00007876 val = (REG_RD(bp, 0x2874) & 0x55);
7877 if ((bp->common.chip_id & 0x1) ||
7878 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7879 bp->flags |= ONE_PORT_FLAG;
7880 BNX2X_DEV_INFO("single port device\n");
7881 }
7882
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007883 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7884 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7885 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7886 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7887 bp->common.flash_size, bp->common.flash_size);
7888
7889 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007890 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7891 MISC_REG_GENERIC_CR_1 :
7892 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007893 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007894 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007895 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7896 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007897
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007898 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007899 BNX2X_DEV_INFO("MCP not active\n");
7900 bp->flags |= NO_MCP_FLAG;
7901 return;
7902 }
7903
7904 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7905 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7906 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007907 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007908
7909 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007910 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007911
7912 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7913 SHARED_HW_CFG_LED_MODE_MASK) >>
7914 SHARED_HW_CFG_LED_MODE_SHIFT);
7915
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007916 bp->link_params.feature_config_flags = 0;
7917 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7918 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7919 bp->link_params.feature_config_flags |=
7920 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7921 else
7922 bp->link_params.feature_config_flags &=
7923 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7924
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007925 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7926 bp->common.bc_ver = val;
7927 BNX2X_DEV_INFO("bc_ver %X\n", val);
7928 if (val < BNX2X_BC_VER) {
7929 /* for now only warn
7930 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007931 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7932 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007933 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007934 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007935 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007936 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7937
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007938 bp->link_params.feature_config_flags |=
7939 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7940 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007941
7942 if (BP_E1HVN(bp) == 0) {
7943 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7944 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7945 } else {
7946 /* no WOL capability for E1HVN != 0 */
7947 bp->flags |= NO_WOL_FLAG;
7948 }
7949 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007950 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007951
7952 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7953 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7954 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7955 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7956
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007957 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7958 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007959}
7960
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007961#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7962#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7963
7964static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7965{
7966 int pfid = BP_FUNC(bp);
7967 int vn = BP_E1HVN(bp);
7968 int igu_sb_id;
7969 u32 val;
7970 u8 fid;
7971
7972 bp->igu_base_sb = 0xff;
7973 bp->igu_sb_cnt = 0;
7974 if (CHIP_INT_MODE_IS_BC(bp)) {
7975 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007976 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007977
7978 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7979 FP_SB_MAX_E1x;
7980
7981 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7982 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7983
7984 return;
7985 }
7986
7987 /* IGU in normal mode - read CAM */
7988 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7989 igu_sb_id++) {
7990 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7991 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7992 continue;
7993 fid = IGU_FID(val);
7994 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7995 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7996 continue;
7997 if (IGU_VEC(val) == 0)
7998 /* default status block */
7999 bp->igu_dsb_id = igu_sb_id;
8000 else {
8001 if (bp->igu_base_sb == 0xff)
8002 bp->igu_base_sb = igu_sb_id;
8003 bp->igu_sb_cnt++;
8004 }
8005 }
8006 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008007 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8008 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008009 if (bp->igu_sb_cnt == 0)
8010 BNX2X_ERR("CAM configuration error\n");
8011}
8012
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008013static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8014 u32 switch_cfg)
8015{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008016 int cfg_size = 0, idx, port = BP_PORT(bp);
8017
8018 /* Aggregation of supported attributes of all external phys */
8019 bp->port.supported[0] = 0;
8020 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008021 switch (bp->link_params.num_phys) {
8022 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008023 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8024 cfg_size = 1;
8025 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008026 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008027 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8028 cfg_size = 1;
8029 break;
8030 case 3:
8031 if (bp->link_params.multi_phy_config &
8032 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8033 bp->port.supported[1] =
8034 bp->link_params.phy[EXT_PHY1].supported;
8035 bp->port.supported[0] =
8036 bp->link_params.phy[EXT_PHY2].supported;
8037 } else {
8038 bp->port.supported[0] =
8039 bp->link_params.phy[EXT_PHY1].supported;
8040 bp->port.supported[1] =
8041 bp->link_params.phy[EXT_PHY2].supported;
8042 }
8043 cfg_size = 2;
8044 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008045 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008046
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008047 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008048 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008049 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008050 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008051 dev_info.port_hw_config[port].external_phy_config),
8052 SHMEM_RD(bp,
8053 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008054 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008055 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008056
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008057 switch (switch_cfg) {
8058 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008059 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8060 port*0x10);
8061 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008062 break;
8063
8064 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008065 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8066 port*0x18);
8067 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008068 break;
8069
8070 default:
8071 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008072 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008073 return;
8074 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008075 /* mask what we support according to speed_cap_mask per configuration */
8076 for (idx = 0; idx < cfg_size; idx++) {
8077 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008078 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008079 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008080
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008081 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008082 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008083 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008084
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008085 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008086 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008087 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008088
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008089 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008090 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008091 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008092
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008093 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008094 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008095 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008096 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008097
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008098 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008099 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008100 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008101
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008102 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008103 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008104 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008105
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008106 }
8107
8108 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8109 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008110}
8111
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008112static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008113{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008114 u32 link_config, idx, cfg_size = 0;
8115 bp->port.advertising[0] = 0;
8116 bp->port.advertising[1] = 0;
8117 switch (bp->link_params.num_phys) {
8118 case 1:
8119 case 2:
8120 cfg_size = 1;
8121 break;
8122 case 3:
8123 cfg_size = 2;
8124 break;
8125 }
8126 for (idx = 0; idx < cfg_size; idx++) {
8127 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8128 link_config = bp->port.link_config[idx];
8129 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008130 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008131 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8132 bp->link_params.req_line_speed[idx] =
8133 SPEED_AUTO_NEG;
8134 bp->port.advertising[idx] |=
8135 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008136 } else {
8137 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008138 bp->link_params.req_line_speed[idx] =
8139 SPEED_10000;
8140 bp->port.advertising[idx] |=
8141 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008142 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008143 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008144 }
8145 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008146
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008147 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008148 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8149 bp->link_params.req_line_speed[idx] =
8150 SPEED_10;
8151 bp->port.advertising[idx] |=
8152 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008153 ADVERTISED_TP);
8154 } else {
8155 BNX2X_ERROR("NVRAM config error. "
8156 "Invalid link_config 0x%x"
8157 " speed_cap_mask 0x%x\n",
8158 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008159 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008160 return;
8161 }
8162 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008163
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008164 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008165 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8166 bp->link_params.req_line_speed[idx] =
8167 SPEED_10;
8168 bp->link_params.req_duplex[idx] =
8169 DUPLEX_HALF;
8170 bp->port.advertising[idx] |=
8171 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008172 ADVERTISED_TP);
8173 } else {
8174 BNX2X_ERROR("NVRAM config error. "
8175 "Invalid link_config 0x%x"
8176 " speed_cap_mask 0x%x\n",
8177 link_config,
8178 bp->link_params.speed_cap_mask[idx]);
8179 return;
8180 }
8181 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008182
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008183 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8184 if (bp->port.supported[idx] &
8185 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008186 bp->link_params.req_line_speed[idx] =
8187 SPEED_100;
8188 bp->port.advertising[idx] |=
8189 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008190 ADVERTISED_TP);
8191 } else {
8192 BNX2X_ERROR("NVRAM config error. "
8193 "Invalid link_config 0x%x"
8194 " speed_cap_mask 0x%x\n",
8195 link_config,
8196 bp->link_params.speed_cap_mask[idx]);
8197 return;
8198 }
8199 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008200
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008201 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8202 if (bp->port.supported[idx] &
8203 SUPPORTED_100baseT_Half) {
8204 bp->link_params.req_line_speed[idx] =
8205 SPEED_100;
8206 bp->link_params.req_duplex[idx] =
8207 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008208 bp->port.advertising[idx] |=
8209 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008210 ADVERTISED_TP);
8211 } else {
8212 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008213 "Invalid link_config 0x%x"
8214 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008215 link_config,
8216 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008217 return;
8218 }
8219 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008220
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008221 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008222 if (bp->port.supported[idx] &
8223 SUPPORTED_1000baseT_Full) {
8224 bp->link_params.req_line_speed[idx] =
8225 SPEED_1000;
8226 bp->port.advertising[idx] |=
8227 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008228 ADVERTISED_TP);
8229 } else {
8230 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008231 "Invalid link_config 0x%x"
8232 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008233 link_config,
8234 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008235 return;
8236 }
8237 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008238
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008239 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008240 if (bp->port.supported[idx] &
8241 SUPPORTED_2500baseX_Full) {
8242 bp->link_params.req_line_speed[idx] =
8243 SPEED_2500;
8244 bp->port.advertising[idx] |=
8245 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008246 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008247 } else {
8248 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008249 "Invalid link_config 0x%x"
8250 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008251 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008252 bp->link_params.speed_cap_mask[idx]);
8253 return;
8254 }
8255 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008256
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008257 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8258 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8259 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008260 if (bp->port.supported[idx] &
8261 SUPPORTED_10000baseT_Full) {
8262 bp->link_params.req_line_speed[idx] =
8263 SPEED_10000;
8264 bp->port.advertising[idx] |=
8265 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008266 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008267 } else {
8268 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008269 "Invalid link_config 0x%x"
8270 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008271 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008272 bp->link_params.speed_cap_mask[idx]);
8273 return;
8274 }
8275 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008276
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008277 default:
8278 BNX2X_ERROR("NVRAM config error. "
8279 "BAD link speed link_config 0x%x\n",
8280 link_config);
8281 bp->link_params.req_line_speed[idx] =
8282 SPEED_AUTO_NEG;
8283 bp->port.advertising[idx] =
8284 bp->port.supported[idx];
8285 break;
8286 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008287
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008288 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008289 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008290 if ((bp->link_params.req_flow_ctrl[idx] ==
8291 BNX2X_FLOW_CTRL_AUTO) &&
8292 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8293 bp->link_params.req_flow_ctrl[idx] =
8294 BNX2X_FLOW_CTRL_NONE;
8295 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008296
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008297 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8298 " 0x%x advertising 0x%x\n",
8299 bp->link_params.req_line_speed[idx],
8300 bp->link_params.req_duplex[idx],
8301 bp->link_params.req_flow_ctrl[idx],
8302 bp->port.advertising[idx]);
8303 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008304}
8305
Michael Chane665bfd2009-10-10 13:46:54 +00008306static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8307{
8308 mac_hi = cpu_to_be16(mac_hi);
8309 mac_lo = cpu_to_be32(mac_lo);
8310 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8311 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8312}
8313
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008314static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008315{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008316 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008317 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008318 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008319
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008320 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008321 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008322
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008323 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008324 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008325
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008326 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008327 SHMEM_RD(bp,
8328 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008329 bp->link_params.speed_cap_mask[1] =
8330 SHMEM_RD(bp,
8331 dev_info.port_hw_config[port].speed_capability_mask2);
8332 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008333 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8334
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008335 bp->port.link_config[1] =
8336 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008337
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008338 bp->link_params.multi_phy_config =
8339 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008340 /* If the device is capable of WoL, set the default state according
8341 * to the HW
8342 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008343 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008344 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8345 (config & PORT_FEATURE_WOL_ENABLED));
8346
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008347 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008348 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008349 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008350 bp->link_params.speed_cap_mask[0],
8351 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008352
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008353 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008354 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008355 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008356 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008357
8358 bnx2x_link_settings_requested(bp);
8359
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008360 /*
8361 * If connected directly, work with the internal PHY, otherwise, work
8362 * with the external PHY
8363 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008364 ext_phy_config =
8365 SHMEM_RD(bp,
8366 dev_info.port_hw_config[port].external_phy_config);
8367 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008368 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008369 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008370
8371 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8372 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8373 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008374 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008375
8376 /*
8377 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8378 * In MF mode, it is set to cover self test cases
8379 */
8380 if (IS_MF(bp))
8381 bp->port.need_hw_lock = 1;
8382 else
8383 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8384 bp->common.shmem_base,
8385 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008386}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008387
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008388static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8389{
8390 u32 val, val2;
8391 int func = BP_ABS_FUNC(bp);
8392 int port = BP_PORT(bp);
8393
8394 if (BP_NOMCP(bp)) {
8395 BNX2X_ERROR("warning: random MAC workaround active\n");
8396 random_ether_addr(bp->dev->dev_addr);
8397 } else if (IS_MF(bp)) {
8398 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8399 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8400 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8401 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8402 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8403
8404#ifdef BCM_CNIC
8405 /* iSCSI NPAR MAC */
8406 if (IS_MF_SI(bp)) {
8407 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8408 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8409 val2 = MF_CFG_RD(bp, func_ext_config[func].
8410 iscsi_mac_addr_upper);
8411 val = MF_CFG_RD(bp, func_ext_config[func].
8412 iscsi_mac_addr_lower);
8413 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8414 }
8415 }
8416#endif
8417 } else {
8418 /* in SF read MACs from port configuration */
8419 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8420 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8421 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8422
8423#ifdef BCM_CNIC
8424 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8425 iscsi_mac_upper);
8426 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8427 iscsi_mac_lower);
8428 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8429#endif
8430 }
8431
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008432 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8433 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008434
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008435#ifdef BCM_CNIC
8436 /* Inform the upper layers about FCoE MAC */
8437 if (!CHIP_IS_E1x(bp)) {
8438 if (IS_MF_SD(bp))
8439 memcpy(bp->fip_mac, bp->dev->dev_addr,
8440 sizeof(bp->fip_mac));
8441 else
8442 memcpy(bp->fip_mac, bp->iscsi_mac,
8443 sizeof(bp->fip_mac));
8444 }
8445#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008446}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008447
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008448static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8449{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008450 int /*abs*/func = BP_ABS_FUNC(bp);
8451 int vn, port;
8452 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008453 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008454
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008455 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008456
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008457 if (CHIP_IS_E1x(bp)) {
8458 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008459
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008460 bp->igu_dsb_id = DEF_SB_IGU_ID;
8461 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008462 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8463 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008464 } else {
8465 bp->common.int_block = INT_BLOCK_IGU;
8466 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8467 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8468 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8469 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8470 } else
8471 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8472
8473 bnx2x_get_igu_cam_info(bp);
8474
8475 }
8476 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8477 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8478
8479 /*
8480 * Initialize MF configuration
8481 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008482
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008483 bp->mf_ov = 0;
8484 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008485 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008486 port = BP_PORT(bp);
8487
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008488 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008489 DP(NETIF_MSG_PROBE,
8490 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8491 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8492 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008493 if (SHMEM2_HAS(bp, mf_cfg_addr))
8494 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8495 else
8496 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008497 offsetof(struct shmem_region, func_mb) +
8498 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008499 /*
8500 * get mf configuration:
8501 * 1. existance of MF configuration
8502 * 2. MAC address must be legal (check only upper bytes)
8503 * for Switch-Independent mode;
8504 * OVLAN must be legal for Switch-Dependent mode
8505 * 3. SF_MODE configures specific MF mode
8506 */
8507 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8508 /* get mf configuration */
8509 val = SHMEM_RD(bp,
8510 dev_info.shared_feature_config.config);
8511 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008512
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008513 switch (val) {
8514 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8515 val = MF_CFG_RD(bp, func_mf_config[func].
8516 mac_upper);
8517 /* check for legal mac (upper bytes)*/
8518 if (val != 0xffff) {
8519 bp->mf_mode = MULTI_FUNCTION_SI;
8520 bp->mf_config[vn] = MF_CFG_RD(bp,
8521 func_mf_config[func].config);
8522 } else
8523 DP(NETIF_MSG_PROBE, "illegal MAC "
8524 "address for SI\n");
8525 break;
8526 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8527 /* get OV configuration */
8528 val = MF_CFG_RD(bp,
8529 func_mf_config[FUNC_0].e1hov_tag);
8530 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8531
8532 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8533 bp->mf_mode = MULTI_FUNCTION_SD;
8534 bp->mf_config[vn] = MF_CFG_RD(bp,
8535 func_mf_config[func].config);
8536 } else
8537 DP(NETIF_MSG_PROBE, "illegal OV for "
8538 "SD\n");
8539 break;
8540 default:
8541 /* Unknown configuration: reset mf_config */
8542 bp->mf_config[vn] = 0;
8543 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8544 val);
8545 }
8546 }
8547
Eilon Greenstein2691d512009-08-12 08:22:08 +00008548 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008549 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008550
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008551 switch (bp->mf_mode) {
8552 case MULTI_FUNCTION_SD:
8553 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8554 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008555 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008556 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008557 BNX2X_DEV_INFO("MF OV for func %d is %d"
8558 " (0x%04x)\n", func,
8559 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008560 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008561 BNX2X_ERR("No valid MF OV for func %d,"
8562 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008563 rc = -EPERM;
8564 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008565 break;
8566 case MULTI_FUNCTION_SI:
8567 BNX2X_DEV_INFO("func %d is in MF "
8568 "switch-independent mode\n", func);
8569 break;
8570 default:
8571 if (vn) {
8572 BNX2X_ERR("VN %d in single function mode,"
8573 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008574 rc = -EPERM;
8575 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008576 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008577 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008578
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008579 }
8580
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008581 /* adjust igu_sb_cnt to MF for E1x */
8582 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008583 bp->igu_sb_cnt /= E1HVN_MAX;
8584
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008585 /*
8586 * adjust E2 sb count: to be removed when FW will support
8587 * more then 16 L2 clients
8588 */
8589#define MAX_L2_CLIENTS 16
8590 if (CHIP_IS_E2(bp))
8591 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8592 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8593
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008594 if (!BP_NOMCP(bp)) {
8595 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008596
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008597 bp->fw_seq =
8598 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8599 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008600 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8601 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008602
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008603 /* Get MAC addresses */
8604 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008605
8606 return rc;
8607}
8608
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008609static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8610{
8611 int cnt, i, block_end, rodi;
8612 char vpd_data[BNX2X_VPD_LEN+1];
8613 char str_id_reg[VENDOR_ID_LEN+1];
8614 char str_id_cap[VENDOR_ID_LEN+1];
8615 u8 len;
8616
8617 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8618 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8619
8620 if (cnt < BNX2X_VPD_LEN)
8621 goto out_not_found;
8622
8623 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8624 PCI_VPD_LRDT_RO_DATA);
8625 if (i < 0)
8626 goto out_not_found;
8627
8628
8629 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8630 pci_vpd_lrdt_size(&vpd_data[i]);
8631
8632 i += PCI_VPD_LRDT_TAG_SIZE;
8633
8634 if (block_end > BNX2X_VPD_LEN)
8635 goto out_not_found;
8636
8637 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8638 PCI_VPD_RO_KEYWORD_MFR_ID);
8639 if (rodi < 0)
8640 goto out_not_found;
8641
8642 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8643
8644 if (len != VENDOR_ID_LEN)
8645 goto out_not_found;
8646
8647 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8648
8649 /* vendor specific info */
8650 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8651 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8652 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8653 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8654
8655 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8656 PCI_VPD_RO_KEYWORD_VENDOR0);
8657 if (rodi >= 0) {
8658 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8659
8660 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8661
8662 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8663 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8664 bp->fw_ver[len] = ' ';
8665 }
8666 }
8667 return;
8668 }
8669out_not_found:
8670 return;
8671}
8672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008673static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8674{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008675 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008676 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008677 int rc;
8678
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008679 /* Disable interrupt handling until HW is initialized */
8680 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008681 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008682
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008683 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008684 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008685 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008686#ifdef BCM_CNIC
8687 mutex_init(&bp->cnic_mutex);
8688#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008689
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008690 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008691 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008692
8693 rc = bnx2x_get_hwinfo(bp);
8694
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008695 if (!rc)
8696 rc = bnx2x_alloc_mem_bp(bp);
8697
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008698 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008699
8700 func = BP_FUNC(bp);
8701
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008702 /* need to reset chip if undi was active */
8703 if (!BP_NOMCP(bp))
8704 bnx2x_undi_unload(bp);
8705
8706 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008707 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008708
8709 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008710 dev_err(&bp->pdev->dev, "MCP disabled, "
8711 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008712
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008713 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008714 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008715
Dmitry Kravkov4fd89b7a2010-04-01 19:45:34 -07008716 bp->dev->features |= NETIF_F_GRO;
8717
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008718 /* Set TPA flags */
8719 if (disable_tpa) {
8720 bp->flags &= ~TPA_ENABLE_FLAG;
8721 bp->dev->features &= ~NETIF_F_LRO;
8722 } else {
8723 bp->flags |= TPA_ENABLE_FLAG;
8724 bp->dev->features |= NETIF_F_LRO;
8725 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008726 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008727
Eilon Greensteina18f5122009-08-12 08:23:26 +00008728 if (CHIP_IS_E1(bp))
8729 bp->dropless_fc = 0;
8730 else
8731 bp->dropless_fc = dropless_fc;
8732
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008733 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008734
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008735 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008736
8737 bp->rx_csum = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008738
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008739 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008740 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8741 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008742
Eilon Greenstein87942b42009-02-12 08:36:49 +00008743 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8744 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008745
8746 init_timer(&bp->timer);
8747 bp->timer.expires = jiffies + bp->current_interval;
8748 bp->timer.data = (unsigned long) bp;
8749 bp->timer.function = bnx2x_timer;
8750
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008751 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008752 bnx2x_dcbx_init_params(bp);
8753
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008754 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008755}
8756
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008757
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008758/****************************************************************************
8759* General service functions
8760****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008761
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008762/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008763static int bnx2x_open(struct net_device *dev)
8764{
8765 struct bnx2x *bp = netdev_priv(dev);
8766
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008767 netif_carrier_off(dev);
8768
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008769 bnx2x_set_power_state(bp, PCI_D0);
8770
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008771 if (!bnx2x_reset_is_done(bp)) {
8772 do {
8773 /* Reset MCP mail box sequence if there is on going
8774 * recovery
8775 */
8776 bp->fw_seq = 0;
8777
8778 /* If it's the first function to load and reset done
8779 * is still not cleared it may mean that. We don't
8780 * check the attention state here because it may have
8781 * already been cleared by a "common" reset but we
8782 * shell proceed with "process kill" anyway.
8783 */
8784 if ((bnx2x_get_load_cnt(bp) == 0) &&
8785 bnx2x_trylock_hw_lock(bp,
8786 HW_LOCK_RESOURCE_RESERVED_08) &&
8787 (!bnx2x_leader_reset(bp))) {
8788 DP(NETIF_MSG_HW, "Recovered in open\n");
8789 break;
8790 }
8791
8792 bnx2x_set_power_state(bp, PCI_D3hot);
8793
8794 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8795 " completed yet. Try again later. If u still see this"
8796 " message after a few retries then power cycle is"
8797 " required.\n", bp->dev->name);
8798
8799 return -EAGAIN;
8800 } while (0);
8801 }
8802
8803 bp->recovery_state = BNX2X_RECOVERY_DONE;
8804
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008805 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008806}
8807
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008808/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008809static int bnx2x_close(struct net_device *dev)
8810{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008811 struct bnx2x *bp = netdev_priv(dev);
8812
8813 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008814 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008815 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008816
8817 return 0;
8818}
8819
Eilon Greensteinf5372252009-02-12 08:38:30 +00008820/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008821void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008822{
8823 struct bnx2x *bp = netdev_priv(dev);
8824 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8825 int port = BP_PORT(bp);
8826
8827 if (bp->state != BNX2X_STATE_OPEN) {
8828 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8829 return;
8830 }
8831
8832 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8833
8834 if (dev->flags & IFF_PROMISC)
8835 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008836 else if ((dev->flags & IFF_ALLMULTI) ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00008837 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8838 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008839 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008840 else { /* some multicasts */
8841 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008842 /*
8843 * set mc list, do not wait as wait implies sleep
8844 * and set_rx_mode can be invoked from non-sleepable
8845 * context
8846 */
8847 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8848 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8849 BNX2X_MAX_MULTICAST*(1 + port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008850
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008851 bnx2x_set_e1_mc_list(bp, offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008852 } else { /* E1H */
8853 /* Accept one or more multicasts */
Jiri Pirko22bedad32010-04-01 21:22:57 +00008854 struct netdev_hw_addr *ha;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008855 u32 mc_filter[MC_HASH_SIZE];
8856 u32 crc, bit, regidx;
8857 int i;
8858
8859 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8860
Jiri Pirko22bedad32010-04-01 21:22:57 +00008861 netdev_for_each_mc_addr(ha, dev) {
Johannes Berg7c510e42008-10-27 17:47:26 -07008862 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008863 bnx2x_mc_addr(ha));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008864
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008865 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8866 ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008867 bit = (crc >> 24) & 0xff;
8868 regidx = bit >> 5;
8869 bit &= 0x1f;
8870 mc_filter[regidx] |= (1 << bit);
8871 }
8872
8873 for (i = 0; i < MC_HASH_SIZE; i++)
8874 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8875 mc_filter[i]);
8876 }
8877 }
8878
8879 bp->rx_mode = rx_mode;
8880 bnx2x_set_storm_rx_mode(bp);
8881}
8882
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008883/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008884static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8885 int devad, u16 addr)
8886{
8887 struct bnx2x *bp = netdev_priv(netdev);
8888 u16 value;
8889 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008890
8891 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8892 prtad, devad, addr);
8893
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008894 /* The HW expects different devad if CL22 is used */
8895 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8896
8897 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008898 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008899 bnx2x_release_phy_lock(bp);
8900 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8901
8902 if (!rc)
8903 rc = value;
8904 return rc;
8905}
8906
8907/* called with rtnl_lock */
8908static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8909 u16 addr, u16 value)
8910{
8911 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008912 int rc;
8913
8914 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8915 " value 0x%x\n", prtad, devad, addr, value);
8916
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008917 /* The HW expects different devad if CL22 is used */
8918 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8919
8920 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008921 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008922 bnx2x_release_phy_lock(bp);
8923 return rc;
8924}
8925
8926/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008927static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
8928{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008929 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008930 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008931
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008932 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
8933 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008934
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008935 if (!netif_running(dev))
8936 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008937
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008938 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008939}
8940
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008941#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008942static void poll_bnx2x(struct net_device *dev)
8943{
8944 struct bnx2x *bp = netdev_priv(dev);
8945
8946 disable_irq(bp->pdev->irq);
8947 bnx2x_interrupt(bp->pdev->irq, dev);
8948 enable_irq(bp->pdev->irq);
8949}
8950#endif
8951
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008952static const struct net_device_ops bnx2x_netdev_ops = {
8953 .ndo_open = bnx2x_open,
8954 .ndo_stop = bnx2x_close,
8955 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00008956 .ndo_select_queue = bnx2x_select_queue,
Eilon Greenstein356e2382009-02-12 08:38:32 +00008957 .ndo_set_multicast_list = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008958 .ndo_set_mac_address = bnx2x_change_mac_addr,
8959 .ndo_validate_addr = eth_validate_addr,
8960 .ndo_do_ioctl = bnx2x_ioctl,
8961 .ndo_change_mtu = bnx2x_change_mtu,
8962 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008963#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008964 .ndo_poll_controller = poll_bnx2x,
8965#endif
8966};
8967
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008968static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
8969 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008970{
8971 struct bnx2x *bp;
8972 int rc;
8973
8974 SET_NETDEV_DEV(dev, &pdev->dev);
8975 bp = netdev_priv(dev);
8976
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008977 bp->dev = dev;
8978 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008979 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008980 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008981
8982 rc = pci_enable_device(pdev);
8983 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008984 dev_err(&bp->pdev->dev,
8985 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008986 goto err_out;
8987 }
8988
8989 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008990 dev_err(&bp->pdev->dev,
8991 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008992 rc = -ENODEV;
8993 goto err_out_disable;
8994 }
8995
8996 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008997 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
8998 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008999 rc = -ENODEV;
9000 goto err_out_disable;
9001 }
9002
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009003 if (atomic_read(&pdev->enable_cnt) == 1) {
9004 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9005 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009006 dev_err(&bp->pdev->dev,
9007 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009008 goto err_out_disable;
9009 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009010
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009011 pci_set_master(pdev);
9012 pci_save_state(pdev);
9013 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009014
9015 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9016 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009017 dev_err(&bp->pdev->dev,
9018 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009019 rc = -EIO;
9020 goto err_out_release;
9021 }
9022
9023 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9024 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009025 dev_err(&bp->pdev->dev,
9026 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009027 rc = -EIO;
9028 goto err_out_release;
9029 }
9030
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009031 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009032 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009033 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009034 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9035 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009036 rc = -EIO;
9037 goto err_out_release;
9038 }
9039
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009040 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009041 dev_err(&bp->pdev->dev,
9042 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009043 rc = -EIO;
9044 goto err_out_release;
9045 }
9046
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009047 dev->mem_start = pci_resource_start(pdev, 0);
9048 dev->base_addr = dev->mem_start;
9049 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009050
9051 dev->irq = pdev->irq;
9052
Arjan van de Ven275f1652008-10-20 21:42:39 -07009053 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009054 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009055 dev_err(&bp->pdev->dev,
9056 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009057 rc = -ENOMEM;
9058 goto err_out_release;
9059 }
9060
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009061 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009062 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009063 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009064 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009065 dev_err(&bp->pdev->dev,
9066 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009067 rc = -ENOMEM;
9068 goto err_out_unmap;
9069 }
9070
9071 bnx2x_set_power_state(bp, PCI_D0);
9072
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009073 /* clean indirect addresses */
9074 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9075 PCICFG_VENDOR_ID_OFFSET);
9076 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9077 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9078 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9079 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009080
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009081 /* Reset the load counter */
9082 bnx2x_clear_load_cnt(bp);
9083
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009084 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009085
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009086 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009087 bnx2x_set_ethtool_ops(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009088 dev->features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009089 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009090 if (bp->flags & USING_DAC_FLAG)
9091 dev->features |= NETIF_F_HIGHDMA;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009092 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9093 dev->features |= NETIF_F_TSO6;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009094 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009095
9096 dev->vlan_features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009097 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009098 if (bp->flags & USING_DAC_FLAG)
9099 dev->vlan_features |= NETIF_F_HIGHDMA;
9100 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9101 dev->vlan_features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009102
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009103#ifdef BCM_DCB
9104 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9105#endif
9106
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009107 /* get_port_hwinfo() will set prtad and mmds properly */
9108 bp->mdio.prtad = MDIO_PRTAD_NONE;
9109 bp->mdio.mmds = 0;
9110 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9111 bp->mdio.dev = dev;
9112 bp->mdio.mdio_read = bnx2x_mdio_read;
9113 bp->mdio.mdio_write = bnx2x_mdio_write;
9114
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009115 return 0;
9116
9117err_out_unmap:
9118 if (bp->regview) {
9119 iounmap(bp->regview);
9120 bp->regview = NULL;
9121 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009122 if (bp->doorbells) {
9123 iounmap(bp->doorbells);
9124 bp->doorbells = NULL;
9125 }
9126
9127err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009128 if (atomic_read(&pdev->enable_cnt) == 1)
9129 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009130
9131err_out_disable:
9132 pci_disable_device(pdev);
9133 pci_set_drvdata(pdev, NULL);
9134
9135err_out:
9136 return rc;
9137}
9138
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009139static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9140 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009141{
9142 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9143
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009144 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9145
9146 /* return value of 1=2.5GHz 2=5GHz */
9147 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009148}
9149
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009150static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009151{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009152 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009153 struct bnx2x_fw_file_hdr *fw_hdr;
9154 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009155 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009156 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009157 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009158 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009159
9160 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9161 return -EINVAL;
9162
9163 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9164 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9165
9166 /* Make sure none of the offsets and sizes make us read beyond
9167 * the end of the firmware data */
9168 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9169 offset = be32_to_cpu(sections[i].offset);
9170 len = be32_to_cpu(sections[i].len);
9171 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009172 dev_err(&bp->pdev->dev,
9173 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009174 return -EINVAL;
9175 }
9176 }
9177
9178 /* Likewise for the init_ops offsets */
9179 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9180 ops_offsets = (u16 *)(firmware->data + offset);
9181 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9182
9183 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9184 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009185 dev_err(&bp->pdev->dev,
9186 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009187 return -EINVAL;
9188 }
9189 }
9190
9191 /* Check FW version */
9192 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9193 fw_ver = firmware->data + offset;
9194 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9195 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9196 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9197 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009198 dev_err(&bp->pdev->dev,
9199 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009200 fw_ver[0], fw_ver[1], fw_ver[2],
9201 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9202 BCM_5710_FW_MINOR_VERSION,
9203 BCM_5710_FW_REVISION_VERSION,
9204 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009205 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009206 }
9207
9208 return 0;
9209}
9210
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009211static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009212{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009213 const __be32 *source = (const __be32 *)_source;
9214 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009215 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009216
9217 for (i = 0; i < n/4; i++)
9218 target[i] = be32_to_cpu(source[i]);
9219}
9220
9221/*
9222 Ops array is stored in the following format:
9223 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9224 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009225static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009226{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009227 const __be32 *source = (const __be32 *)_source;
9228 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009229 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009230
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009231 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009232 tmp = be32_to_cpu(source[j]);
9233 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009234 target[i].offset = tmp & 0xffffff;
9235 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009236 }
9237}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009238
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009239/**
9240 * IRO array is stored in the following format:
9241 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9242 */
9243static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9244{
9245 const __be32 *source = (const __be32 *)_source;
9246 struct iro *target = (struct iro *)_target;
9247 u32 i, j, tmp;
9248
9249 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9250 target[i].base = be32_to_cpu(source[j]);
9251 j++;
9252 tmp = be32_to_cpu(source[j]);
9253 target[i].m1 = (tmp >> 16) & 0xffff;
9254 target[i].m2 = tmp & 0xffff;
9255 j++;
9256 tmp = be32_to_cpu(source[j]);
9257 target[i].m3 = (tmp >> 16) & 0xffff;
9258 target[i].size = tmp & 0xffff;
9259 j++;
9260 }
9261}
9262
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009263static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009264{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009265 const __be16 *source = (const __be16 *)_source;
9266 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009267 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009268
9269 for (i = 0; i < n/2; i++)
9270 target[i] = be16_to_cpu(source[i]);
9271}
9272
Joe Perches7995c642010-02-17 15:01:52 +00009273#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9274do { \
9275 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9276 bp->arr = kmalloc(len, GFP_KERNEL); \
9277 if (!bp->arr) { \
9278 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9279 goto lbl; \
9280 } \
9281 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9282 (u8 *)bp->arr, len); \
9283} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009284
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009285int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009286{
Ben Hutchings45229b42009-11-07 11:53:39 +00009287 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009288 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009289 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009290
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009291 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009292 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009293 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009294 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009295 else if (CHIP_IS_E2(bp))
9296 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009297 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009298 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009299 return -EINVAL;
9300 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009301
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009302 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009303
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009304 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009305 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009306 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009307 goto request_firmware_exit;
9308 }
9309
9310 rc = bnx2x_check_firmware(bp);
9311 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009312 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009313 goto request_firmware_exit;
9314 }
9315
9316 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9317
9318 /* Initialize the pointers to the init arrays */
9319 /* Blob */
9320 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9321
9322 /* Opcodes */
9323 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9324
9325 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009326 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9327 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009328
9329 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009330 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9331 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9332 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9333 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9334 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9335 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9336 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9337 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9338 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9339 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9340 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9341 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9342 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9343 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9344 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9345 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009346 /* IRO */
9347 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009348
9349 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009350
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009351iro_alloc_err:
9352 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009353init_offsets_alloc_err:
9354 kfree(bp->init_ops);
9355init_ops_alloc_err:
9356 kfree(bp->init_data);
9357request_firmware_exit:
9358 release_firmware(bp->firmware);
9359
9360 return rc;
9361}
9362
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009363static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9364{
9365 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009366
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009367#ifdef BCM_CNIC
9368 cid_count += CNIC_CID_MAX;
9369#endif
9370 return roundup(cid_count, QM_CID_ROUND);
9371}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009372
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009373static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9374 const struct pci_device_id *ent)
9375{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009376 struct net_device *dev = NULL;
9377 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009378 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009379 int rc, cid_count;
9380
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009381 switch (ent->driver_data) {
9382 case BCM57710:
9383 case BCM57711:
9384 case BCM57711E:
9385 cid_count = FP_SB_MAX_E1x;
9386 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009387
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009388 case BCM57712:
9389 case BCM57712E:
9390 cid_count = FP_SB_MAX_E2;
9391 break;
9392
9393 default:
9394 pr_err("Unknown board_type (%ld), aborting\n",
9395 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009396 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009397 }
9398
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009399 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009401 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009402 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009403 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009404 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009405 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009406 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009407
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009408 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009409 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009410
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009411 pci_set_drvdata(pdev, dev);
9412
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009413 bp->l2_cid_count = cid_count;
9414
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009415 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009416 if (rc < 0) {
9417 free_netdev(dev);
9418 return rc;
9419 }
9420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009421 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009422 if (rc)
9423 goto init_one_exit;
9424
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009425 /* calc qm_cid_count */
9426 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9427
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009428#ifdef BCM_CNIC
9429 /* disable FCOE L2 queue for E1x*/
9430 if (CHIP_IS_E1x(bp))
9431 bp->flags |= NO_FCOE_FLAG;
9432
9433#endif
9434
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009435 /* Configure interupt mode: try to enable MSI-X/MSI if
9436 * needed, set bp->num_queues appropriately.
9437 */
9438 bnx2x_set_int_mode(bp);
9439
9440 /* Add all NAPI objects */
9441 bnx2x_add_all_napi(bp);
9442
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009443 rc = register_netdev(dev);
9444 if (rc) {
9445 dev_err(&pdev->dev, "Cannot register net device\n");
9446 goto init_one_exit;
9447 }
9448
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009449#ifdef BCM_CNIC
9450 if (!NO_FCOE(bp)) {
9451 /* Add storage MAC address */
9452 rtnl_lock();
9453 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9454 rtnl_unlock();
9455 }
9456#endif
9457
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009458 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009459
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009460 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9461 " IRQ %d, ", board_info[ent->driver_data].name,
9462 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009463 pcie_width,
9464 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9465 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9466 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009467 dev->base_addr, bp->pdev->irq);
9468 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009469
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009470 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009471
9472init_one_exit:
9473 if (bp->regview)
9474 iounmap(bp->regview);
9475
9476 if (bp->doorbells)
9477 iounmap(bp->doorbells);
9478
9479 free_netdev(dev);
9480
9481 if (atomic_read(&pdev->enable_cnt) == 1)
9482 pci_release_regions(pdev);
9483
9484 pci_disable_device(pdev);
9485 pci_set_drvdata(pdev, NULL);
9486
9487 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009488}
9489
9490static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9491{
9492 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009493 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009494
Eliezer Tamir228241e2008-02-28 11:56:57 -08009495 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009496 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009497 return;
9498 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009499 bp = netdev_priv(dev);
9500
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009501#ifdef BCM_CNIC
9502 /* Delete storage MAC address */
9503 if (!NO_FCOE(bp)) {
9504 rtnl_lock();
9505 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9506 rtnl_unlock();
9507 }
9508#endif
9509
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009510 unregister_netdev(dev);
9511
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009512 /* Delete all NAPI objects */
9513 bnx2x_del_all_napi(bp);
9514
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009515 /* Power on: we can't let PCI layer write to us while we are in D3 */
9516 bnx2x_set_power_state(bp, PCI_D0);
9517
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009518 /* Disable MSI/MSI-X */
9519 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009520
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009521 /* Power off */
9522 bnx2x_set_power_state(bp, PCI_D3hot);
9523
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009524 /* Make sure RESET task is not scheduled before continuing */
9525 cancel_delayed_work_sync(&bp->reset_task);
9526
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009527 if (bp->regview)
9528 iounmap(bp->regview);
9529
9530 if (bp->doorbells)
9531 iounmap(bp->doorbells);
9532
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009533 bnx2x_free_mem_bp(bp);
9534
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009535 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009536
9537 if (atomic_read(&pdev->enable_cnt) == 1)
9538 pci_release_regions(pdev);
9539
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009540 pci_disable_device(pdev);
9541 pci_set_drvdata(pdev, NULL);
9542}
9543
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009544static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9545{
9546 int i;
9547
9548 bp->state = BNX2X_STATE_ERROR;
9549
9550 bp->rx_mode = BNX2X_RX_MODE_NONE;
9551
9552 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009553 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009554
9555 del_timer_sync(&bp->timer);
9556 bp->stats_state = STATS_STATE_DISABLED;
9557 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9558
9559 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009560 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009561
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009562 /* Free SKBs, SGEs, TPA pool and driver internals */
9563 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009564
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009565 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009566 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009567
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009568 bnx2x_free_mem(bp);
9569
9570 bp->state = BNX2X_STATE_CLOSED;
9571
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009572 return 0;
9573}
9574
9575static void bnx2x_eeh_recover(struct bnx2x *bp)
9576{
9577 u32 val;
9578
9579 mutex_init(&bp->port.phy_mutex);
9580
9581 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9582 bp->link_params.shmem_base = bp->common.shmem_base;
9583 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9584
9585 if (!bp->common.shmem_base ||
9586 (bp->common.shmem_base < 0xA0000) ||
9587 (bp->common.shmem_base >= 0xC0000)) {
9588 BNX2X_DEV_INFO("MCP not active\n");
9589 bp->flags |= NO_MCP_FLAG;
9590 return;
9591 }
9592
9593 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9594 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9595 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9596 BNX2X_ERR("BAD MCP validity signature\n");
9597
9598 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009599 bp->fw_seq =
9600 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9601 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009602 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9603 }
9604}
9605
Wendy Xiong493adb12008-06-23 20:36:22 -07009606/**
9607 * bnx2x_io_error_detected - called when PCI error is detected
9608 * @pdev: Pointer to PCI device
9609 * @state: The current pci connection state
9610 *
9611 * This function is called after a PCI bus error affecting
9612 * this device has been detected.
9613 */
9614static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9615 pci_channel_state_t state)
9616{
9617 struct net_device *dev = pci_get_drvdata(pdev);
9618 struct bnx2x *bp = netdev_priv(dev);
9619
9620 rtnl_lock();
9621
9622 netif_device_detach(dev);
9623
Dean Nelson07ce50e2009-07-31 09:13:25 +00009624 if (state == pci_channel_io_perm_failure) {
9625 rtnl_unlock();
9626 return PCI_ERS_RESULT_DISCONNECT;
9627 }
9628
Wendy Xiong493adb12008-06-23 20:36:22 -07009629 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009630 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009631
9632 pci_disable_device(pdev);
9633
9634 rtnl_unlock();
9635
9636 /* Request a slot reset */
9637 return PCI_ERS_RESULT_NEED_RESET;
9638}
9639
9640/**
9641 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9642 * @pdev: Pointer to PCI device
9643 *
9644 * Restart the card from scratch, as if from a cold-boot.
9645 */
9646static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9647{
9648 struct net_device *dev = pci_get_drvdata(pdev);
9649 struct bnx2x *bp = netdev_priv(dev);
9650
9651 rtnl_lock();
9652
9653 if (pci_enable_device(pdev)) {
9654 dev_err(&pdev->dev,
9655 "Cannot re-enable PCI device after reset\n");
9656 rtnl_unlock();
9657 return PCI_ERS_RESULT_DISCONNECT;
9658 }
9659
9660 pci_set_master(pdev);
9661 pci_restore_state(pdev);
9662
9663 if (netif_running(dev))
9664 bnx2x_set_power_state(bp, PCI_D0);
9665
9666 rtnl_unlock();
9667
9668 return PCI_ERS_RESULT_RECOVERED;
9669}
9670
9671/**
9672 * bnx2x_io_resume - called when traffic can start flowing again
9673 * @pdev: Pointer to PCI device
9674 *
9675 * This callback is called when the error recovery driver tells us that
9676 * its OK to resume normal operation.
9677 */
9678static void bnx2x_io_resume(struct pci_dev *pdev)
9679{
9680 struct net_device *dev = pci_get_drvdata(pdev);
9681 struct bnx2x *bp = netdev_priv(dev);
9682
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009683 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009684 printk(KERN_ERR "Handling parity error recovery. "
9685 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009686 return;
9687 }
9688
Wendy Xiong493adb12008-06-23 20:36:22 -07009689 rtnl_lock();
9690
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009691 bnx2x_eeh_recover(bp);
9692
Wendy Xiong493adb12008-06-23 20:36:22 -07009693 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009694 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009695
9696 netif_device_attach(dev);
9697
9698 rtnl_unlock();
9699}
9700
9701static struct pci_error_handlers bnx2x_err_handler = {
9702 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009703 .slot_reset = bnx2x_io_slot_reset,
9704 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009705};
9706
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009707static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009708 .name = DRV_MODULE_NAME,
9709 .id_table = bnx2x_pci_tbl,
9710 .probe = bnx2x_init_one,
9711 .remove = __devexit_p(bnx2x_remove_one),
9712 .suspend = bnx2x_suspend,
9713 .resume = bnx2x_resume,
9714 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009715};
9716
9717static int __init bnx2x_init(void)
9718{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009719 int ret;
9720
Joe Perches7995c642010-02-17 15:01:52 +00009721 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009722
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009723 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9724 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009725 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009726 return -ENOMEM;
9727 }
9728
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009729 ret = pci_register_driver(&bnx2x_pci_driver);
9730 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009731 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009732 destroy_workqueue(bnx2x_wq);
9733 }
9734 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009735}
9736
9737static void __exit bnx2x_cleanup(void)
9738{
9739 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009740
9741 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009742}
9743
9744module_init(bnx2x_init);
9745module_exit(bnx2x_cleanup);
9746
Michael Chan993ac7b2009-10-10 13:46:56 +00009747#ifdef BCM_CNIC
9748
9749/* count denotes the number of new completions we have seen */
9750static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9751{
9752 struct eth_spe *spe;
9753
9754#ifdef BNX2X_STOP_ON_ERROR
9755 if (unlikely(bp->panic))
9756 return;
9757#endif
9758
9759 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009760 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009761 bp->cnic_spq_pending -= count;
9762
Michael Chan993ac7b2009-10-10 13:46:56 +00009763
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009764 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9765 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9766 & SPE_HDR_CONN_TYPE) >>
9767 SPE_HDR_CONN_TYPE_SHIFT;
9768
9769 /* Set validation for iSCSI L2 client before sending SETUP
9770 * ramrod
9771 */
9772 if (type == ETH_CONNECTION_TYPE) {
9773 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9774 hdr.conn_and_cmd_data) >>
9775 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9776
9777 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9778 bnx2x_set_ctx_validation(&bp->context.
9779 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9780 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9781 }
9782
9783 /* There may be not more than 8 L2 and COMMON SPEs and not more
9784 * than 8 L5 SPEs in the air.
9785 */
9786 if ((type == NONE_CONNECTION_TYPE) ||
9787 (type == ETH_CONNECTION_TYPE)) {
9788 if (!atomic_read(&bp->spq_left))
9789 break;
9790 else
9791 atomic_dec(&bp->spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009792 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9793 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009794 if (bp->cnic_spq_pending >=
9795 bp->cnic_eth_dev.max_kwqe_pending)
9796 break;
9797 else
9798 bp->cnic_spq_pending++;
9799 } else {
9800 BNX2X_ERR("Unknown SPE type: %d\n", type);
9801 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009802 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009803 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009804
9805 spe = bnx2x_sp_get_next(bp);
9806 *spe = *bp->cnic_kwq_cons;
9807
Michael Chan993ac7b2009-10-10 13:46:56 +00009808 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9809 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9810
9811 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9812 bp->cnic_kwq_cons = bp->cnic_kwq;
9813 else
9814 bp->cnic_kwq_cons++;
9815 }
9816 bnx2x_sp_prod_update(bp);
9817 spin_unlock_bh(&bp->spq_lock);
9818}
9819
9820static int bnx2x_cnic_sp_queue(struct net_device *dev,
9821 struct kwqe_16 *kwqes[], u32 count)
9822{
9823 struct bnx2x *bp = netdev_priv(dev);
9824 int i;
9825
9826#ifdef BNX2X_STOP_ON_ERROR
9827 if (unlikely(bp->panic))
9828 return -EIO;
9829#endif
9830
9831 spin_lock_bh(&bp->spq_lock);
9832
9833 for (i = 0; i < count; i++) {
9834 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9835
9836 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9837 break;
9838
9839 *bp->cnic_kwq_prod = *spe;
9840
9841 bp->cnic_kwq_pending++;
9842
9843 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9844 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009845 spe->data.update_data_addr.hi,
9846 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009847 bp->cnic_kwq_pending);
9848
9849 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9850 bp->cnic_kwq_prod = bp->cnic_kwq;
9851 else
9852 bp->cnic_kwq_prod++;
9853 }
9854
9855 spin_unlock_bh(&bp->spq_lock);
9856
9857 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9858 bnx2x_cnic_sp_post(bp, 0);
9859
9860 return i;
9861}
9862
9863static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9864{
9865 struct cnic_ops *c_ops;
9866 int rc = 0;
9867
9868 mutex_lock(&bp->cnic_mutex);
9869 c_ops = bp->cnic_ops;
9870 if (c_ops)
9871 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9872 mutex_unlock(&bp->cnic_mutex);
9873
9874 return rc;
9875}
9876
9877static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9878{
9879 struct cnic_ops *c_ops;
9880 int rc = 0;
9881
9882 rcu_read_lock();
9883 c_ops = rcu_dereference(bp->cnic_ops);
9884 if (c_ops)
9885 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9886 rcu_read_unlock();
9887
9888 return rc;
9889}
9890
9891/*
9892 * for commands that have no data
9893 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009894int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +00009895{
9896 struct cnic_ctl_info ctl = {0};
9897
9898 ctl.cmd = cmd;
9899
9900 return bnx2x_cnic_ctl_send(bp, &ctl);
9901}
9902
9903static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9904{
9905 struct cnic_ctl_info ctl;
9906
9907 /* first we tell CNIC and only then we count this as a completion */
9908 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9909 ctl.data.comp.cid = cid;
9910
9911 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009912 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009913}
9914
9915static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9916{
9917 struct bnx2x *bp = netdev_priv(dev);
9918 int rc = 0;
9919
9920 switch (ctl->cmd) {
9921 case DRV_CTL_CTXTBL_WR_CMD: {
9922 u32 index = ctl->data.io.offset;
9923 dma_addr_t addr = ctl->data.io.dma_addr;
9924
9925 bnx2x_ilt_wr(bp, index, addr);
9926 break;
9927 }
9928
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009929 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
9930 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +00009931
9932 bnx2x_cnic_sp_post(bp, count);
9933 break;
9934 }
9935
9936 /* rtnl_lock is held. */
9937 case DRV_CTL_START_L2_CMD: {
9938 u32 cli = ctl->data.ring.client_id;
9939
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009940 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
9941 bnx2x_del_fcoe_eth_macs(bp);
9942
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009943 /* Set iSCSI MAC address */
9944 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
9945
9946 mmiowb();
9947 barrier();
9948
9949 /* Start accepting on iSCSI L2 ring. Accept all multicasts
9950 * because it's the only way for UIO Client to accept
9951 * multicasts (in non-promiscuous mode only one Client per
9952 * function will receive multicast packets (leading in our
9953 * case).
9954 */
9955 bnx2x_rxq_set_mac_filters(bp, cli,
9956 BNX2X_ACCEPT_UNICAST |
9957 BNX2X_ACCEPT_BROADCAST |
9958 BNX2X_ACCEPT_ALL_MULTICAST);
9959 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
9960
Michael Chan993ac7b2009-10-10 13:46:56 +00009961 break;
9962 }
9963
9964 /* rtnl_lock is held. */
9965 case DRV_CTL_STOP_L2_CMD: {
9966 u32 cli = ctl->data.ring.client_id;
9967
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009968 /* Stop accepting on iSCSI L2 ring */
9969 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
9970 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
9971
9972 mmiowb();
9973 barrier();
9974
9975 /* Unset iSCSI L2 MAC */
9976 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009977 break;
9978 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009979 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
9980 int count = ctl->data.credit.credit_count;
9981
9982 smp_mb__before_atomic_inc();
9983 atomic_add(count, &bp->spq_left);
9984 smp_mb__after_atomic_inc();
9985 break;
9986 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009987
9988 default:
9989 BNX2X_ERR("unknown command %x\n", ctl->cmd);
9990 rc = -EINVAL;
9991 }
9992
9993 return rc;
9994}
9995
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009996void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +00009997{
9998 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
9999
10000 if (bp->flags & USING_MSIX_FLAG) {
10001 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10002 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10003 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10004 } else {
10005 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10006 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10007 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010008 if (CHIP_IS_E2(bp))
10009 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10010 else
10011 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10012
Michael Chan993ac7b2009-10-10 13:46:56 +000010013 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010014 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010015 cp->irq_arr[1].status_blk = bp->def_status_blk;
10016 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010017 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010018
10019 cp->num_irq = 2;
10020}
10021
10022static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10023 void *data)
10024{
10025 struct bnx2x *bp = netdev_priv(dev);
10026 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10027
10028 if (ops == NULL)
10029 return -EINVAL;
10030
10031 if (atomic_read(&bp->intr_sem) != 0)
10032 return -EBUSY;
10033
10034 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10035 if (!bp->cnic_kwq)
10036 return -ENOMEM;
10037
10038 bp->cnic_kwq_cons = bp->cnic_kwq;
10039 bp->cnic_kwq_prod = bp->cnic_kwq;
10040 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10041
10042 bp->cnic_spq_pending = 0;
10043 bp->cnic_kwq_pending = 0;
10044
10045 bp->cnic_data = data;
10046
10047 cp->num_irq = 0;
10048 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010049 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010050
Michael Chan993ac7b2009-10-10 13:46:56 +000010051 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010052
Michael Chan993ac7b2009-10-10 13:46:56 +000010053 rcu_assign_pointer(bp->cnic_ops, ops);
10054
10055 return 0;
10056}
10057
10058static int bnx2x_unregister_cnic(struct net_device *dev)
10059{
10060 struct bnx2x *bp = netdev_priv(dev);
10061 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10062
10063 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010064 cp->drv_state = 0;
10065 rcu_assign_pointer(bp->cnic_ops, NULL);
10066 mutex_unlock(&bp->cnic_mutex);
10067 synchronize_rcu();
10068 kfree(bp->cnic_kwq);
10069 bp->cnic_kwq = NULL;
10070
10071 return 0;
10072}
10073
10074struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10075{
10076 struct bnx2x *bp = netdev_priv(dev);
10077 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10078
10079 cp->drv_owner = THIS_MODULE;
10080 cp->chip_id = CHIP_ID(bp);
10081 cp->pdev = bp->pdev;
10082 cp->io_base = bp->regview;
10083 cp->io_base2 = bp->doorbells;
10084 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010085 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010086 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10087 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010088 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010089 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010090 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10091 cp->drv_ctl = bnx2x_drv_ctl;
10092 cp->drv_register_cnic = bnx2x_register_cnic;
10093 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010094 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10095 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10096 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010097 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010098
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010099 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10100 "starting cid %d\n",
10101 cp->ctx_blk_size,
10102 cp->ctx_tbl_offset,
10103 cp->ctx_tbl_len,
10104 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010105 return cp;
10106}
10107EXPORT_SYMBOL(bnx2x_cnic_probe);
10108
10109#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010110