blob: f45c0caf3240c4d87c555a7c5bdf2571d940102e [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 *
Dmitry Kravkov5de92402011-05-04 23:51:13 +00003 * Copyright (c) 2007-2011 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
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000148static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000149 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154 { 0 }
155};
156
157MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
158
159/****************************************************************************
160* General service functions
161****************************************************************************/
162
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000163static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
164 u32 addr, dma_addr_t mapping)
165{
166 REG_WR(bp, addr, U64_LO(mapping));
167 REG_WR(bp, addr + 4, U64_HI(mapping));
168}
169
170static inline void __storm_memset_fill(struct bnx2x *bp,
171 u32 addr, size_t size, u32 val)
172{
173 int i;
174 for (i = 0; i < size/4; i++)
175 REG_WR(bp, addr + (i * 4), val);
176}
177
178static inline void storm_memset_ustats_zero(struct bnx2x *bp,
179 u8 port, u16 stat_id)
180{
181 size_t size = sizeof(struct ustorm_per_client_stats);
182
183 u32 addr = BAR_USTRORM_INTMEM +
184 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
185
186 __storm_memset_fill(bp, addr, size, 0);
187}
188
189static inline void storm_memset_tstats_zero(struct bnx2x *bp,
190 u8 port, u16 stat_id)
191{
192 size_t size = sizeof(struct tstorm_per_client_stats);
193
194 u32 addr = BAR_TSTRORM_INTMEM +
195 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
196
197 __storm_memset_fill(bp, addr, size, 0);
198}
199
200static inline void storm_memset_xstats_zero(struct bnx2x *bp,
201 u8 port, u16 stat_id)
202{
203 size_t size = sizeof(struct xstorm_per_client_stats);
204
205 u32 addr = BAR_XSTRORM_INTMEM +
206 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
207
208 __storm_memset_fill(bp, addr, size, 0);
209}
210
211
212static inline void storm_memset_spq_addr(struct bnx2x *bp,
213 dma_addr_t mapping, u16 abs_fid)
214{
215 u32 addr = XSEM_REG_FAST_MEMORY +
216 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
217
218 __storm_memset_dma_mapping(bp, addr, mapping);
219}
220
221static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
222{
223 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
224}
225
226static inline void storm_memset_func_cfg(struct bnx2x *bp,
227 struct tstorm_eth_function_common_config *tcfg,
228 u16 abs_fid)
229{
230 size_t size = sizeof(struct tstorm_eth_function_common_config);
231
232 u32 addr = BAR_TSTRORM_INTMEM +
233 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
234
235 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
236}
237
238static inline void storm_memset_xstats_flags(struct bnx2x *bp,
239 struct stats_indication_flags *flags,
240 u16 abs_fid)
241{
242 size_t size = sizeof(struct stats_indication_flags);
243
244 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
245
246 __storm_memset_struct(bp, addr, size, (u32 *)flags);
247}
248
249static inline void storm_memset_tstats_flags(struct bnx2x *bp,
250 struct stats_indication_flags *flags,
251 u16 abs_fid)
252{
253 size_t size = sizeof(struct stats_indication_flags);
254
255 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
256
257 __storm_memset_struct(bp, addr, size, (u32 *)flags);
258}
259
260static inline void storm_memset_ustats_flags(struct bnx2x *bp,
261 struct stats_indication_flags *flags,
262 u16 abs_fid)
263{
264 size_t size = sizeof(struct stats_indication_flags);
265
266 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
267
268 __storm_memset_struct(bp, addr, size, (u32 *)flags);
269}
270
271static inline void storm_memset_cstats_flags(struct bnx2x *bp,
272 struct stats_indication_flags *flags,
273 u16 abs_fid)
274{
275 size_t size = sizeof(struct stats_indication_flags);
276
277 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
278
279 __storm_memset_struct(bp, addr, size, (u32 *)flags);
280}
281
282static inline void storm_memset_xstats_addr(struct bnx2x *bp,
283 dma_addr_t mapping, u16 abs_fid)
284{
285 u32 addr = BAR_XSTRORM_INTMEM +
286 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
287
288 __storm_memset_dma_mapping(bp, addr, mapping);
289}
290
291static inline void storm_memset_tstats_addr(struct bnx2x *bp,
292 dma_addr_t mapping, u16 abs_fid)
293{
294 u32 addr = BAR_TSTRORM_INTMEM +
295 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
296
297 __storm_memset_dma_mapping(bp, addr, mapping);
298}
299
300static inline void storm_memset_ustats_addr(struct bnx2x *bp,
301 dma_addr_t mapping, u16 abs_fid)
302{
303 u32 addr = BAR_USTRORM_INTMEM +
304 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
305
306 __storm_memset_dma_mapping(bp, addr, mapping);
307}
308
309static inline void storm_memset_cstats_addr(struct bnx2x *bp,
310 dma_addr_t mapping, u16 abs_fid)
311{
312 u32 addr = BAR_CSTRORM_INTMEM +
313 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
314
315 __storm_memset_dma_mapping(bp, addr, mapping);
316}
317
318static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
319 u16 pf_id)
320{
321 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
322 pf_id);
323 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
324 pf_id);
325 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
326 pf_id);
327 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
328 pf_id);
329}
330
331static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
332 u8 enable)
333{
334 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
335 enable);
336 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
337 enable);
338 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
339 enable);
340 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
341 enable);
342}
343
344static inline void storm_memset_eq_data(struct bnx2x *bp,
345 struct event_ring_data *eq_data,
346 u16 pfid)
347{
348 size_t size = sizeof(struct event_ring_data);
349
350 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
351
352 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
353}
354
355static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
356 u16 pfid)
357{
358 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
359 REG_WR16(bp, addr, eq_prod);
360}
361
362static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
363 u16 fw_sb_id, u8 sb_index,
364 u8 ticks)
365{
366
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000367 int index_offset = CHIP_IS_E2(bp) ?
368 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000369 offsetof(struct hc_status_block_data_e1x, index_data);
370 u32 addr = BAR_CSTRORM_INTMEM +
371 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
372 index_offset +
373 sizeof(struct hc_index_data)*sb_index +
374 offsetof(struct hc_index_data, timeout);
375 REG_WR8(bp, addr, ticks);
376 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
377 port, fw_sb_id, sb_index, ticks);
378}
379static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
380 u16 fw_sb_id, u8 sb_index,
381 u8 disable)
382{
383 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000384 int index_offset = CHIP_IS_E2(bp) ?
385 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000386 offsetof(struct hc_status_block_data_e1x, index_data);
387 u32 addr = BAR_CSTRORM_INTMEM +
388 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
389 index_offset +
390 sizeof(struct hc_index_data)*sb_index +
391 offsetof(struct hc_index_data, flags);
392 u16 flags = REG_RD16(bp, addr);
393 /* clear and set */
394 flags &= ~HC_INDEX_DATA_HC_ENABLED;
395 flags |= enable_flag;
396 REG_WR16(bp, addr, flags);
397 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
398 port, fw_sb_id, sb_index, disable);
399}
400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200401/* used only at init
402 * locking is done by mcp
403 */
stephen hemminger8d962862010-10-21 07:50:56 +0000404static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200405{
406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
409 PCICFG_VENDOR_ID_OFFSET);
410}
411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
413{
414 u32 val;
415
416 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
417 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
418 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
419 PCICFG_VENDOR_ID_OFFSET);
420
421 return val;
422}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000424#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
425#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
426#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
427#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
428#define DMAE_DP_DST_NONE "dst_addr [none]"
429
stephen hemminger8d962862010-10-21 07:50:56 +0000430static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
431 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432{
433 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
434
435 switch (dmae->opcode & DMAE_COMMAND_DST) {
436 case DMAE_CMD_DST_PCI:
437 if (src_type == DMAE_CMD_SRC_PCI)
438 DP(msglvl, "DMAE: opcode 0x%08x\n"
439 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
440 "comp_addr [%x:%08x], comp_val 0x%08x\n",
441 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
442 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
443 dmae->comp_addr_hi, dmae->comp_addr_lo,
444 dmae->comp_val);
445 else
446 DP(msglvl, "DMAE: opcode 0x%08x\n"
447 "src [%08x], len [%d*4], dst [%x:%08x]\n"
448 "comp_addr [%x:%08x], comp_val 0x%08x\n",
449 dmae->opcode, dmae->src_addr_lo >> 2,
450 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
451 dmae->comp_addr_hi, dmae->comp_addr_lo,
452 dmae->comp_val);
453 break;
454 case DMAE_CMD_DST_GRC:
455 if (src_type == DMAE_CMD_SRC_PCI)
456 DP(msglvl, "DMAE: opcode 0x%08x\n"
457 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
458 "comp_addr [%x:%08x], comp_val 0x%08x\n",
459 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
460 dmae->len, dmae->dst_addr_lo >> 2,
461 dmae->comp_addr_hi, dmae->comp_addr_lo,
462 dmae->comp_val);
463 else
464 DP(msglvl, "DMAE: opcode 0x%08x\n"
465 "src [%08x], len [%d*4], dst [%08x]\n"
466 "comp_addr [%x:%08x], comp_val 0x%08x\n",
467 dmae->opcode, dmae->src_addr_lo >> 2,
468 dmae->len, dmae->dst_addr_lo >> 2,
469 dmae->comp_addr_hi, dmae->comp_addr_lo,
470 dmae->comp_val);
471 break;
472 default:
473 if (src_type == DMAE_CMD_SRC_PCI)
474 DP(msglvl, "DMAE: opcode 0x%08x\n"
475 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
476 "dst_addr [none]\n"
477 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
478 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
479 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
480 dmae->comp_val);
481 else
482 DP(msglvl, "DMAE: opcode 0x%08x\n"
483 DP_LEVEL "src_addr [%08x] len [%d * 4] "
484 "dst_addr [none]\n"
485 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
486 dmae->opcode, dmae->src_addr_lo >> 2,
487 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
488 dmae->comp_val);
489 break;
490 }
491
492}
493
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000494const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200495 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
496 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
497 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
498 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
499};
500
501/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000502void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200503{
504 u32 cmd_offset;
505 int i;
506
507 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
508 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
509 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
510
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700511 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
512 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513 }
514 REG_WR(bp, dmae_reg_go_c[idx], 1);
515}
516
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000517u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
518{
519 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
520 DMAE_CMD_C_ENABLE);
521}
522
523u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
524{
525 return opcode & ~DMAE_CMD_SRC_RESET;
526}
527
528u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
529 bool with_comp, u8 comp_type)
530{
531 u32 opcode = 0;
532
533 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
534 (dst_type << DMAE_COMMAND_DST_SHIFT));
535
536 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
537
538 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
539 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
540 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
541 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
542
543#ifdef __BIG_ENDIAN
544 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
545#else
546 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
547#endif
548 if (with_comp)
549 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
550 return opcode;
551}
552
stephen hemminger8d962862010-10-21 07:50:56 +0000553static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
554 struct dmae_command *dmae,
555 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000556{
557 memset(dmae, 0, sizeof(struct dmae_command));
558
559 /* set the opcode */
560 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
561 true, DMAE_COMP_PCI);
562
563 /* fill in the completion parameters */
564 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
565 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_val = DMAE_COMP_VAL;
567}
568
569/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000570static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
571 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000572{
573 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
574 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
575 int rc = 0;
576
577 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
578 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
579 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
580
581 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800582 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000583
584 /* reset completion */
585 *wb_comp = 0;
586
587 /* post the command on the channel used for initializations */
588 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
589
590 /* wait for completion */
591 udelay(5);
592 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
593 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
594
595 if (!cnt) {
596 BNX2X_ERR("DMAE timeout!\n");
597 rc = DMAE_TIMEOUT;
598 goto unlock;
599 }
600 cnt--;
601 udelay(50);
602 }
603 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
604 BNX2X_ERR("DMAE PCI error!\n");
605 rc = DMAE_PCI_ERROR;
606 }
607
608 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
609 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
610 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
611
612unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800613 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000614 return rc;
615}
616
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700617void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
618 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200619{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000620 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700621
622 if (!bp->dmae_ready) {
623 u32 *data = bnx2x_sp(bp, wb_data[0]);
624
625 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
626 " using indirect\n", dst_addr, len32);
627 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
628 return;
629 }
630
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000631 /* set opcode and fixed command fields */
632 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200633
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000634 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000635 dmae.src_addr_lo = U64_LO(dma_addr);
636 dmae.src_addr_hi = U64_HI(dma_addr);
637 dmae.dst_addr_lo = dst_addr >> 2;
638 dmae.dst_addr_hi = 0;
639 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200642
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000643 /* issue the command and wait for completion */
644 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200645}
646
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700647void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000649 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700650
651 if (!bp->dmae_ready) {
652 u32 *data = bnx2x_sp(bp, wb_data[0]);
653 int i;
654
655 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
656 " using indirect\n", src_addr, len32);
657 for (i = 0; i < len32; i++)
658 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
659 return;
660 }
661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000662 /* set opcode and fixed command fields */
663 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000665 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000666 dmae.src_addr_lo = src_addr >> 2;
667 dmae.src_addr_hi = 0;
668 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
669 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
670 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200673
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000674 /* issue the command and wait for completion */
675 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200676}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677
stephen hemminger8d962862010-10-21 07:50:56 +0000678static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
679 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000680{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000681 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000682 int offset = 0;
683
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000684 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000685 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000686 addr + offset, dmae_wr_max);
687 offset += dmae_wr_max * 4;
688 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 }
690
691 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
692}
693
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700694/* used only for slowpath so not inlined */
695static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
696{
697 u32 wb_write[2];
698
699 wb_write[0] = val_hi;
700 wb_write[1] = val_lo;
701 REG_WR_DMAE(bp, reg, wb_write, 2);
702}
703
704#ifdef USE_WB_RD
705static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
706{
707 u32 wb_data[2];
708
709 REG_RD_DMAE(bp, reg, wb_data, 2);
710
711 return HILO_U64(wb_data[0], wb_data[1]);
712}
713#endif
714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200715static int bnx2x_mc_assert(struct bnx2x *bp)
716{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700718 int i, rc = 0;
719 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200720
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700721 /* XSTORM */
722 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
723 XSTORM_ASSERT_LIST_INDEX_OFFSET);
724 if (last_idx)
725 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700727 /* print the asserts */
728 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200729
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700730 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
731 XSTORM_ASSERT_LIST_OFFSET(i));
732 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
733 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
734 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
735 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
736 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
737 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200738
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700739 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
740 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
741 " 0x%08x 0x%08x 0x%08x\n",
742 i, row3, row2, row1, row0);
743 rc++;
744 } else {
745 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200746 }
747 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700748
749 /* TSTORM */
750 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
751 TSTORM_ASSERT_LIST_INDEX_OFFSET);
752 if (last_idx)
753 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
754
755 /* print the asserts */
756 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
757
758 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
759 TSTORM_ASSERT_LIST_OFFSET(i));
760 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
761 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
762 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
763 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
764 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
765 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
766
767 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
768 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
769 " 0x%08x 0x%08x 0x%08x\n",
770 i, row3, row2, row1, row0);
771 rc++;
772 } else {
773 break;
774 }
775 }
776
777 /* CSTORM */
778 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
779 CSTORM_ASSERT_LIST_INDEX_OFFSET);
780 if (last_idx)
781 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
782
783 /* print the asserts */
784 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
785
786 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
787 CSTORM_ASSERT_LIST_OFFSET(i));
788 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
789 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
790 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
791 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
792 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
793 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
794
795 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
796 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
797 " 0x%08x 0x%08x 0x%08x\n",
798 i, row3, row2, row1, row0);
799 rc++;
800 } else {
801 break;
802 }
803 }
804
805 /* USTORM */
806 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
807 USTORM_ASSERT_LIST_INDEX_OFFSET);
808 if (last_idx)
809 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
810
811 /* print the asserts */
812 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
813
814 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
815 USTORM_ASSERT_LIST_OFFSET(i));
816 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
817 USTORM_ASSERT_LIST_OFFSET(i) + 4);
818 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
819 USTORM_ASSERT_LIST_OFFSET(i) + 8);
820 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
821 USTORM_ASSERT_LIST_OFFSET(i) + 12);
822
823 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
824 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
825 " 0x%08x 0x%08x 0x%08x\n",
826 i, row3, row2, row1, row0);
827 rc++;
828 } else {
829 break;
830 }
831 }
832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200833 return rc;
834}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200836static void bnx2x_fw_dump(struct bnx2x *bp)
837{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000838 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200839 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000840 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200841 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000842 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000843 if (BP_NOMCP(bp)) {
844 BNX2X_ERR("NO MCP - can not dump\n");
845 return;
846 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000847
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000848 if (BP_PATH(bp) == 0)
849 trace_shmem_base = bp->common.shmem_base;
850 else
851 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
852 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000853 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000854 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
855 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000856 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200857
Joe Perches7995c642010-02-17 15:01:52 +0000858 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000859 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200860 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000861 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200862 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000865 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200866 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000867 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000869 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200870 }
Joe Perches7995c642010-02-17 15:01:52 +0000871 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872}
873
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000874void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875{
876 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000877 u16 j;
878 struct hc_sp_status_block_data sp_sb_data;
879 int func = BP_FUNC(bp);
880#ifdef BNX2X_STOP_ON_ERROR
881 u16 start = 0, end = 0;
882#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200883
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700884 bp->stats_state = STATS_STATE_DISABLED;
885 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
886
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200887 BNX2X_ERR("begin crash dump -----------------\n");
888
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000889 /* Indices */
890 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000891 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000892 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000893 bp->def_idx, bp->def_att_idx,
894 bp->attn_state, bp->spq_prod_idx);
895 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
896 bp->def_status_blk->atten_status_block.attn_bits,
897 bp->def_status_blk->atten_status_block.attn_bits_ack,
898 bp->def_status_blk->atten_status_block.status_block_id,
899 bp->def_status_blk->atten_status_block.attn_bits_index);
900 BNX2X_ERR(" def (");
901 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
902 pr_cont("0x%x%s",
903 bp->def_status_blk->sp_sb.index_values[i],
904 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000905
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000906 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
907 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
908 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
909 i*sizeof(u32));
910
911 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
912 "pf_id(0x%x) vnic_id(0x%x) "
913 "vf_id(0x%x) vf_valid (0x%x)\n",
914 sp_sb_data.igu_sb_id,
915 sp_sb_data.igu_seg_id,
916 sp_sb_data.p_func.pf_id,
917 sp_sb_data.p_func.vnic_id,
918 sp_sb_data.p_func.vf_id,
919 sp_sb_data.p_func.vf_valid);
920
921
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000922 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000923 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000924 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000925 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000926 struct hc_status_block_data_e1x sb_data_e1x;
927 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000928 CHIP_IS_E2(bp) ?
929 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000930 sb_data_e1x.common.state_machine;
931 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 CHIP_IS_E2(bp) ?
933 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000934 sb_data_e1x.index_data;
935 int data_size;
936 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000937
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000938 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000939 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000940 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000941 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000942 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000943 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000945 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000946 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000947 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000948 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000951 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
952 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
953 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200954 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700955 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000956
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000957 loop = CHIP_IS_E2(bp) ?
958 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000959
960 /* host sb data */
961
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000962#ifdef BCM_CNIC
963 if (IS_FCOE_FP(fp))
964 continue;
965#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966 BNX2X_ERR(" run indexes (");
967 for (j = 0; j < HC_SB_MAX_SM; j++)
968 pr_cont("0x%x%s",
969 fp->sb_running_index[j],
970 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
971
972 BNX2X_ERR(" indexes (");
973 for (j = 0; j < loop; j++)
974 pr_cont("0x%x%s",
975 fp->sb_index_values[j],
976 (j == loop - 1) ? ")" : " ");
977 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000978 data_size = CHIP_IS_E2(bp) ?
979 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000980 sizeof(struct hc_status_block_data_e1x);
981 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000982 sb_data_p = CHIP_IS_E2(bp) ?
983 (u32 *)&sb_data_e2 :
984 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000985 /* copy sb data in here */
986 for (j = 0; j < data_size; j++)
987 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
988 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
989 j * sizeof(u32));
990
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000991 if (CHIP_IS_E2(bp)) {
992 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
993 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
994 sb_data_e2.common.p_func.pf_id,
995 sb_data_e2.common.p_func.vf_id,
996 sb_data_e2.common.p_func.vf_valid,
997 sb_data_e2.common.p_func.vnic_id,
998 sb_data_e2.common.same_igu_sb_1b);
999 } else {
1000 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1001 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1002 sb_data_e1x.common.p_func.pf_id,
1003 sb_data_e1x.common.p_func.vf_id,
1004 sb_data_e1x.common.p_func.vf_valid,
1005 sb_data_e1x.common.p_func.vnic_id,
1006 sb_data_e1x.common.same_igu_sb_1b);
1007 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001008
1009 /* SB_SMs data */
1010 for (j = 0; j < HC_SB_MAX_SM; j++) {
1011 pr_cont("SM[%d] __flags (0x%x) "
1012 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1013 "time_to_expire (0x%x) "
1014 "timer_value(0x%x)\n", j,
1015 hc_sm_p[j].__flags,
1016 hc_sm_p[j].igu_sb_id,
1017 hc_sm_p[j].igu_seg_id,
1018 hc_sm_p[j].time_to_expire,
1019 hc_sm_p[j].timer_value);
1020 }
1021
1022 /* Indecies data */
1023 for (j = 0; j < loop; j++) {
1024 pr_cont("INDEX[%d] flags (0x%x) "
1025 "timeout (0x%x)\n", j,
1026 hc_index_p[j].flags,
1027 hc_index_p[j].timeout);
1028 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001029 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001030
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001031#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001032 /* Rings */
1033 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001034 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001035 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001036
1037 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1038 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001040 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1041 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1042
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001043 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1044 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001045 }
1046
Eilon Greenstein3196a882008-08-13 15:58:49 -07001047 start = RX_SGE(fp->rx_sge_prod);
1048 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001049 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001050 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1051 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1052
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001053 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1054 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001055 }
1056
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001057 start = RCQ_BD(fp->rx_comp_cons - 10);
1058 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001059 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001060 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1061
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001062 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1063 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 }
1065 }
1066
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001067 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001068 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001069 struct bnx2x_fastpath *fp = &bp->fp[i];
1070
1071 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1072 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1073 for (j = start; j != end; j = TX_BD(j + 1)) {
1074 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1075
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001076 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1077 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001078 }
1079
1080 start = TX_BD(fp->tx_bd_cons - 10);
1081 end = TX_BD(fp->tx_bd_cons + 254);
1082 for (j = start; j != end; j = TX_BD(j + 1)) {
1083 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1084
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001085 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1086 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001087 }
1088 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001089#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001090 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001091 bnx2x_mc_assert(bp);
1092 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001093}
1094
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001095static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001096{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1099 u32 val = REG_RD(bp, addr);
1100 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001101 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001102
1103 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001104 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1105 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001106 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1107 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 } else if (msi) {
1109 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1110 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1111 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1112 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 } else {
1114 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001115 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001116 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1117 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001118
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001119 if (!CHIP_IS_E1(bp)) {
1120 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1121 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001123 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001124
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001125 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001127 }
1128
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001129 if (CHIP_IS_E1(bp))
1130 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1131
Eilon Greenstein8badd272009-02-12 08:36:15 +00001132 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1133 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134
1135 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001136 /*
1137 * Ensure that HC_CONFIG is written before leading/trailing edge config
1138 */
1139 mmiowb();
1140 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001141
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001142 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001143 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001144 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001145 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001146 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001147 /* enable nig and gpio3 attention */
1148 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001149 } else
1150 val = 0xffff;
1151
1152 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1153 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1154 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001155
1156 /* Make sure that interrupts are indeed enabled from here on */
1157 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001158}
1159
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001160static void bnx2x_igu_int_enable(struct bnx2x *bp)
1161{
1162 u32 val;
1163 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1164 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1165
1166 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1167
1168 if (msix) {
1169 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1170 IGU_PF_CONF_SINGLE_ISR_EN);
1171 val |= (IGU_PF_CONF_FUNC_EN |
1172 IGU_PF_CONF_MSI_MSIX_EN |
1173 IGU_PF_CONF_ATTN_BIT_EN);
1174 } else if (msi) {
1175 val &= ~IGU_PF_CONF_INT_LINE_EN;
1176 val |= (IGU_PF_CONF_FUNC_EN |
1177 IGU_PF_CONF_MSI_MSIX_EN |
1178 IGU_PF_CONF_ATTN_BIT_EN |
1179 IGU_PF_CONF_SINGLE_ISR_EN);
1180 } else {
1181 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1182 val |= (IGU_PF_CONF_FUNC_EN |
1183 IGU_PF_CONF_INT_LINE_EN |
1184 IGU_PF_CONF_ATTN_BIT_EN |
1185 IGU_PF_CONF_SINGLE_ISR_EN);
1186 }
1187
1188 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1189 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1190
1191 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1192
1193 barrier();
1194
1195 /* init leading/trailing edge */
1196 if (IS_MF(bp)) {
1197 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1198 if (bp->port.pmf)
1199 /* enable nig and gpio3 attention */
1200 val |= 0x1100;
1201 } else
1202 val = 0xffff;
1203
1204 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1205 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1206
1207 /* Make sure that interrupts are indeed enabled from here on */
1208 mmiowb();
1209}
1210
1211void bnx2x_int_enable(struct bnx2x *bp)
1212{
1213 if (bp->common.int_block == INT_BLOCK_HC)
1214 bnx2x_hc_int_enable(bp);
1215 else
1216 bnx2x_igu_int_enable(bp);
1217}
1218
1219static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001220{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001221 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001222 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1223 u32 val = REG_RD(bp, addr);
1224
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001225 /*
1226 * in E1 we must use only PCI configuration space to disable
1227 * MSI/MSIX capablility
1228 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1229 */
1230 if (CHIP_IS_E1(bp)) {
1231 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1232 * Use mask register to prevent from HC sending interrupts
1233 * after we exit the function
1234 */
1235 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1236
1237 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1238 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1239 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1240 } else
1241 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1242 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1243 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1244 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001245
1246 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1247 val, port, addr);
1248
Eilon Greenstein8badd272009-02-12 08:36:15 +00001249 /* flush all outstanding writes */
1250 mmiowb();
1251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252 REG_WR(bp, addr, val);
1253 if (REG_RD(bp, addr) != val)
1254 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1255}
1256
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001257static void bnx2x_igu_int_disable(struct bnx2x *bp)
1258{
1259 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1260
1261 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1262 IGU_PF_CONF_INT_LINE_EN |
1263 IGU_PF_CONF_ATTN_BIT_EN);
1264
1265 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1266
1267 /* flush all outstanding writes */
1268 mmiowb();
1269
1270 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1271 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1272 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1273}
1274
stephen hemminger8d962862010-10-21 07:50:56 +00001275static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001276{
1277 if (bp->common.int_block == INT_BLOCK_HC)
1278 bnx2x_hc_int_disable(bp);
1279 else
1280 bnx2x_igu_int_disable(bp);
1281}
1282
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001283void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001284{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001285 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001286 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001287
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001288 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001289 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001290 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1291
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001292 if (disable_hw)
1293 /* prevent the HW from sending interrupts */
1294 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001295
1296 /* make sure all ISRs are done */
1297 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001298 synchronize_irq(bp->msix_table[0].vector);
1299 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001300#ifdef BCM_CNIC
1301 offset++;
1302#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001303 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001304 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001305 } else
1306 synchronize_irq(bp->pdev->irq);
1307
1308 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001309 cancel_delayed_work(&bp->sp_task);
1310 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001311}
1312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001313/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001314
1315/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001316 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001317 */
1318
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001319/* Return true if succeeded to acquire the lock */
1320static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1321{
1322 u32 lock_status;
1323 u32 resource_bit = (1 << resource);
1324 int func = BP_FUNC(bp);
1325 u32 hw_lock_control_reg;
1326
1327 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1328
1329 /* Validating that the resource is within range */
1330 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1331 DP(NETIF_MSG_HW,
1332 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1333 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001334 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001335 }
1336
1337 if (func <= 5)
1338 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1339 else
1340 hw_lock_control_reg =
1341 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1342
1343 /* Try to acquire the lock */
1344 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1345 lock_status = REG_RD(bp, hw_lock_control_reg);
1346 if (lock_status & resource_bit)
1347 return true;
1348
1349 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1350 return false;
1351}
1352
Michael Chan993ac7b2009-10-10 13:46:56 +00001353#ifdef BCM_CNIC
1354static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1355#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001356
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001357void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001358 union eth_rx_cqe *rr_cqe)
1359{
1360 struct bnx2x *bp = fp->bp;
1361 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1362 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001364 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001366 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001367 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001368
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001369 switch (command | fp->state) {
1370 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1371 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1372 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001373 break;
1374
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001375 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1376 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001377 fp->state = BNX2X_FP_STATE_HALTED;
1378 break;
1379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001380 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1381 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1382 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001383 break;
1384
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001385 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001386 BNX2X_ERR("unexpected MC reply (%d) "
1387 "fp[%d] state is %x\n",
1388 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001389 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001390 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001391
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001392 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001393 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001394 /* push the change in fp->state and towards the memory */
1395 smp_wmb();
1396
1397 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001398}
1399
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001400irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001401{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001402 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001403 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001404 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001405 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001406
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001407 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408 if (unlikely(status == 0)) {
1409 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1410 return IRQ_NONE;
1411 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001412 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1416 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1417 return IRQ_HANDLED;
1418 }
1419
Eilon Greenstein3196a882008-08-13 15:58:49 -07001420#ifdef BNX2X_STOP_ON_ERROR
1421 if (unlikely(bp->panic))
1422 return IRQ_HANDLED;
1423#endif
1424
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001425 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001426 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001427
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001428 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001429 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001430 /* Handle Rx and Tx according to SB id */
1431 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001432 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001433 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001434 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001435 status &= ~mask;
1436 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001437 }
1438
Michael Chan993ac7b2009-10-10 13:46:56 +00001439#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001441 if (status & (mask | 0x1)) {
1442 struct cnic_ops *c_ops = NULL;
1443
1444 rcu_read_lock();
1445 c_ops = rcu_dereference(bp->cnic_ops);
1446 if (c_ops)
1447 c_ops->cnic_handler(bp->cnic_data, NULL);
1448 rcu_read_unlock();
1449
1450 status &= ~mask;
1451 }
1452#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001453
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001454 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001455 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001456
1457 status &= ~0x1;
1458 if (!status)
1459 return IRQ_HANDLED;
1460 }
1461
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001462 if (unlikely(status))
1463 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001464 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001465
1466 return IRQ_HANDLED;
1467}
1468
1469/* end of fast path */
1470
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001471
1472/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001473
1474/*
1475 * General service functions
1476 */
1477
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001478int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001479{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001480 u32 lock_status;
1481 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001482 int func = BP_FUNC(bp);
1483 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001484 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001485
1486 /* Validating that the resource is within range */
1487 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1488 DP(NETIF_MSG_HW,
1489 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1490 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1491 return -EINVAL;
1492 }
1493
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001494 if (func <= 5) {
1495 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1496 } else {
1497 hw_lock_control_reg =
1498 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1499 }
1500
Eliezer Tamirf1410642008-02-28 11:51:50 -08001501 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001502 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001503 if (lock_status & resource_bit) {
1504 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1505 lock_status, resource_bit);
1506 return -EEXIST;
1507 }
1508
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001509 /* Try for 5 second every 5ms */
1510 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001511 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001512 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1513 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001514 if (lock_status & resource_bit)
1515 return 0;
1516
1517 msleep(5);
1518 }
1519 DP(NETIF_MSG_HW, "Timeout\n");
1520 return -EAGAIN;
1521}
1522
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001523int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001524{
1525 u32 lock_status;
1526 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001527 int func = BP_FUNC(bp);
1528 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001529
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001530 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1531
Eliezer Tamirf1410642008-02-28 11:51:50 -08001532 /* Validating that the resource is within range */
1533 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1534 DP(NETIF_MSG_HW,
1535 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1536 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1537 return -EINVAL;
1538 }
1539
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001540 if (func <= 5) {
1541 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1542 } else {
1543 hw_lock_control_reg =
1544 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1545 }
1546
Eliezer Tamirf1410642008-02-28 11:51:50 -08001547 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001548 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001549 if (!(lock_status & resource_bit)) {
1550 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1551 lock_status, resource_bit);
1552 return -EFAULT;
1553 }
1554
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 return 0;
1557}
1558
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001559
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001560int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1561{
1562 /* The GPIO should be swapped if swap register is set and active */
1563 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1564 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1565 int gpio_shift = gpio_num +
1566 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1567 u32 gpio_mask = (1 << gpio_shift);
1568 u32 gpio_reg;
1569 int value;
1570
1571 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1572 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1573 return -EINVAL;
1574 }
1575
1576 /* read GPIO value */
1577 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1578
1579 /* get the requested pin value */
1580 if ((gpio_reg & gpio_mask) == gpio_mask)
1581 value = 1;
1582 else
1583 value = 0;
1584
1585 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1586
1587 return value;
1588}
1589
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001590int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001591{
1592 /* The GPIO should be swapped if swap register is set and active */
1593 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001594 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001595 int gpio_shift = gpio_num +
1596 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1597 u32 gpio_mask = (1 << gpio_shift);
1598 u32 gpio_reg;
1599
1600 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1601 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1602 return -EINVAL;
1603 }
1604
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001605 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001606 /* read GPIO and mask except the float bits */
1607 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1608
1609 switch (mode) {
1610 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1611 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1612 gpio_num, gpio_shift);
1613 /* clear FLOAT and set CLR */
1614 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1615 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1616 break;
1617
1618 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1619 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1620 gpio_num, gpio_shift);
1621 /* clear FLOAT and set SET */
1622 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1623 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1624 break;
1625
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001626 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001627 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1628 gpio_num, gpio_shift);
1629 /* set FLOAT */
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1631 break;
1632
1633 default:
1634 break;
1635 }
1636
1637 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001638 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001639
1640 return 0;
1641}
1642
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001643int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1644{
1645 /* The GPIO should be swapped if swap register is set and active */
1646 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1647 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1648 int gpio_shift = gpio_num +
1649 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1650 u32 gpio_mask = (1 << gpio_shift);
1651 u32 gpio_reg;
1652
1653 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1654 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1655 return -EINVAL;
1656 }
1657
1658 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1659 /* read GPIO int */
1660 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1661
1662 switch (mode) {
1663 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1664 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1665 "output low\n", gpio_num, gpio_shift);
1666 /* clear SET and set CLR */
1667 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1668 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1669 break;
1670
1671 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1672 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1673 "output high\n", gpio_num, gpio_shift);
1674 /* clear CLR and set SET */
1675 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1677 break;
1678
1679 default:
1680 break;
1681 }
1682
1683 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1684 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1685
1686 return 0;
1687}
1688
Eliezer Tamirf1410642008-02-28 11:51:50 -08001689static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1690{
1691 u32 spio_mask = (1 << spio_num);
1692 u32 spio_reg;
1693
1694 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1695 (spio_num > MISC_REGISTERS_SPIO_7)) {
1696 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1697 return -EINVAL;
1698 }
1699
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001700 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001701 /* read SPIO and mask except the float bits */
1702 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1703
1704 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001705 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001706 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1707 /* clear FLOAT and set CLR */
1708 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1709 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1710 break;
1711
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1714 /* clear FLOAT and set SET */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1717 break;
1718
1719 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1720 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1721 /* set FLOAT */
1722 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 break;
1724
1725 default:
1726 break;
1727 }
1728
1729 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001730 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001731
1732 return 0;
1733}
1734
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001735int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1736{
1737 u32 sel_phy_idx = 0;
1738 if (bp->link_vars.link_up) {
1739 sel_phy_idx = EXT_PHY1;
1740 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1741 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1742 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1743 sel_phy_idx = EXT_PHY2;
1744 } else {
1745
1746 switch (bnx2x_phy_selection(&bp->link_params)) {
1747 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1748 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1749 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1750 sel_phy_idx = EXT_PHY1;
1751 break;
1752 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1753 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1754 sel_phy_idx = EXT_PHY2;
1755 break;
1756 }
1757 }
1758 /*
1759 * The selected actived PHY is always after swapping (in case PHY
1760 * swapping is enabled). So when swapping is enabled, we need to reverse
1761 * the configuration
1762 */
1763
1764 if (bp->link_params.multi_phy_config &
1765 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1766 if (sel_phy_idx == EXT_PHY1)
1767 sel_phy_idx = EXT_PHY2;
1768 else if (sel_phy_idx == EXT_PHY2)
1769 sel_phy_idx = EXT_PHY1;
1770 }
1771 return LINK_CONFIG_IDX(sel_phy_idx);
1772}
1773
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001774void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001775{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001776 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001777 switch (bp->link_vars.ieee_fc &
1778 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001779 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001780 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001781 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001782 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001783
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001784 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001785 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001786 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001787 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001788
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001789 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001790 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001791 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001792
Eliezer Tamirf1410642008-02-28 11:51:50 -08001793 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001794 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001795 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001796 break;
1797 }
1798}
1799
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001800u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001801{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001802 if (!BP_NOMCP(bp)) {
1803 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001804 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1805 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001806 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001807 /* It is recommended to turn off RX FC for jumbo frames
1808 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001809 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001810 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001811 else
David S. Millerc0700f92008-12-16 23:53:20 -08001812 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001813
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001814 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001815
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001816 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001817 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001818 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1819 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001820
Eilon Greenstein19680c42008-08-13 15:47:33 -07001821 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001822
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001823 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001824
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001825 bnx2x_calc_fc_adv(bp);
1826
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001827 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1828 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001829 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001830 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001831 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001832 return rc;
1833 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001834 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001835 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001836}
1837
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001838void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001839{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001840 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001841 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001842 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001843 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001844 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001845
Eilon Greenstein19680c42008-08-13 15:47:33 -07001846 bnx2x_calc_fc_adv(bp);
1847 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001848 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001849}
1850
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001851static void bnx2x__link_reset(struct bnx2x *bp)
1852{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001853 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001854 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001855 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001856 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001857 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001858 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001859}
1860
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001861u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001862{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001863 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001864
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001865 if (!BP_NOMCP(bp)) {
1866 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001867 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1868 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001869 bnx2x_release_phy_lock(bp);
1870 } else
1871 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001872
1873 return rc;
1874}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001875
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001876static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001877{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001878 u32 r_param = bp->link_vars.line_speed / 8;
1879 u32 fair_periodic_timeout_usec;
1880 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001881
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001882 memset(&(bp->cmng.rs_vars), 0,
1883 sizeof(struct rate_shaping_vars_per_port));
1884 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001885
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001886 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1887 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001888
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001889 /* this is the threshold below which no timer arming will occur
1890 1.25 coefficient is for the threshold to be a little bigger
1891 than the real time, to compensate for timer in-accuracy */
1892 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001893 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1894
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001895 /* resolution of fairness timer */
1896 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1897 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1898 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001899
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001900 /* this is the threshold below which we won't arm the timer anymore */
1901 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001902
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001903 /* we multiply by 1e3/8 to get bytes/msec.
1904 We don't want the credits to pass a credit
1905 of the t_fair*FAIR_MEM (algorithm resolution) */
1906 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1907 /* since each tick is 4 usec */
1908 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909}
1910
Eilon Greenstein2691d512009-08-12 08:22:08 +00001911/* Calculates the sum of vn_min_rates.
1912 It's needed for further normalizing of the min_rates.
1913 Returns:
1914 sum of vn_min_rates.
1915 or
1916 0 - if all the min_rates are 0.
1917 In the later case fainess algorithm should be deactivated.
1918 If not all min_rates are zero then those that are zeroes will be set to 1.
1919 */
1920static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1921{
1922 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001923 int vn;
1924
1925 bp->vn_weight_sum = 0;
1926 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001927 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001928 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1929 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1930
1931 /* Skip hidden vns */
1932 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1933 continue;
1934
1935 /* If min rate is zero - set it to 1 */
1936 if (!vn_min_rate)
1937 vn_min_rate = DEF_MIN_RATE;
1938 else
1939 all_zero = 0;
1940
1941 bp->vn_weight_sum += vn_min_rate;
1942 }
1943
1944 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001945 if (all_zero) {
1946 bp->cmng.flags.cmng_enables &=
1947 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1948 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1949 " fairness will be disabled\n");
1950 } else
1951 bp->cmng.flags.cmng_enables |=
1952 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001953}
1954
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001955static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001956{
1957 struct rate_shaping_vars_per_vn m_rs_vn;
1958 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001959 u32 vn_cfg = bp->mf_config[vn];
1960 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001961 u16 vn_min_rate, vn_max_rate;
1962 int i;
1963
1964 /* If function is hidden - set min and max to zeroes */
1965 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1966 vn_min_rate = 0;
1967 vn_max_rate = 0;
1968
1969 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001970 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001972 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1973 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001974 /* If fairness is enabled (not all min rates are zeroes) and
1975 if current min rate is zero - set it to 1.
1976 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001977 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001978 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001979
1980 if (IS_MF_SI(bp))
1981 /* maxCfg in percents of linkspeed */
1982 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1983 else
1984 /* maxCfg is absolute in 100Mb units */
1985 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001986 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001987
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001988 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001989 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001990 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001991
1992 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1993 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1994
1995 /* global vn counter - maximal Mbps for this vn */
1996 m_rs_vn.vn_counter.rate = vn_max_rate;
1997
1998 /* quota - number of bytes transmitted in this period */
1999 m_rs_vn.vn_counter.quota =
2000 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2001
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002002 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002003 /* credit for each period of the fairness algorithm:
2004 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002005 vn_weight_sum should not be larger than 10000, thus
2006 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2007 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002008 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002009 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2010 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002011 (bp->cmng.fair_vars.fair_threshold +
2012 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002013 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 m_fair_vn.vn_credit_delta);
2015 }
2016
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002017 /* Store it to internal memory */
2018 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2019 REG_WR(bp, BAR_XSTRORM_INTMEM +
2020 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2021 ((u32 *)(&m_rs_vn))[i]);
2022
2023 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2024 REG_WR(bp, BAR_XSTRORM_INTMEM +
2025 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2026 ((u32 *)(&m_fair_vn))[i]);
2027}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002028
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002029static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2030{
2031 if (CHIP_REV_IS_SLOW(bp))
2032 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002033 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002034 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002035
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002036 return CMNG_FNS_NONE;
2037}
2038
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002039void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002040{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002041 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002042
2043 if (BP_NOMCP(bp))
2044 return; /* what should be the default bvalue in this case */
2045
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002046 /* For 2 port configuration the absolute function number formula
2047 * is:
2048 * abs_func = 2 * vn + BP_PORT + BP_PATH
2049 *
2050 * and there are 4 functions per port
2051 *
2052 * For 4 port configuration it is
2053 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2054 *
2055 * and there are 2 functions per port
2056 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002057 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002058 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2059
2060 if (func >= E1H_FUNC_MAX)
2061 break;
2062
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002063 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002064 MF_CFG_RD(bp, func_mf_config[func].config);
2065 }
2066}
2067
2068static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2069{
2070
2071 if (cmng_type == CMNG_FNS_MINMAX) {
2072 int vn;
2073
2074 /* clear cmng_enables */
2075 bp->cmng.flags.cmng_enables = 0;
2076
2077 /* read mf conf from shmem */
2078 if (read_cfg)
2079 bnx2x_read_mf_cfg(bp);
2080
2081 /* Init rate shaping and fairness contexts */
2082 bnx2x_init_port_minmax(bp);
2083
2084 /* vn_weight_sum and enable fairness if not 0 */
2085 bnx2x_calc_vn_weight_sum(bp);
2086
2087 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002088 if (bp->port.pmf)
2089 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2090 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002091
2092 /* always enable rate shaping and fairness */
2093 bp->cmng.flags.cmng_enables |=
2094 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2095 if (!bp->vn_weight_sum)
2096 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2097 " fairness will be disabled\n");
2098 return;
2099 }
2100
2101 /* rate shaping and fairness are disabled */
2102 DP(NETIF_MSG_IFUP,
2103 "rate shaping and fairness are disabled\n");
2104}
2105
2106static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2107{
2108 int port = BP_PORT(bp);
2109 int func;
2110 int vn;
2111
2112 /* Set the attention towards other drivers on the same port */
2113 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2114 if (vn == BP_E1HVN(bp))
2115 continue;
2116
2117 func = ((vn << 1) | port);
2118 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2119 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2120 }
2121}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002122
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002123/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002124static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002125{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002126 /* Make sure that we are synced with the current statistics */
2127 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2128
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002129 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002130
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002131 if (bp->link_vars.link_up) {
2132
Eilon Greenstein1c063282009-02-12 08:36:43 +00002133 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002134 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002135 int port = BP_PORT(bp);
2136 u32 pause_enabled = 0;
2137
2138 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2139 pause_enabled = 1;
2140
2141 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002142 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002143 pause_enabled);
2144 }
2145
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002146 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2147 struct host_port_stats *pstats;
2148
2149 pstats = bnx2x_sp(bp, port_stats);
2150 /* reset old bmac stats */
2151 memset(&(pstats->mac_stx[0]), 0,
2152 sizeof(struct mac_stx));
2153 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002154 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002155 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2156 }
2157
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002158 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2159 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002160
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002161 if (cmng_fns != CMNG_FNS_NONE) {
2162 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2163 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2164 } else
2165 /* rate shaping and fairness are disabled */
2166 DP(NETIF_MSG_IFUP,
2167 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002168 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002169
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002170 __bnx2x_link_report(bp);
2171
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002172 if (IS_MF(bp))
2173 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002174}
2175
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002176void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002177{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002178 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002179 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002180
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002181 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2182
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002183 if (bp->link_vars.link_up)
2184 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2185 else
2186 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2187
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002188 /* indicate link status */
2189 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002190}
2191
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002192static void bnx2x_pmf_update(struct bnx2x *bp)
2193{
2194 int port = BP_PORT(bp);
2195 u32 val;
2196
2197 bp->port.pmf = 1;
2198 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2199
2200 /* enable nig attention */
2201 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002202 if (bp->common.int_block == INT_BLOCK_HC) {
2203 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2204 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2205 } else if (CHIP_IS_E2(bp)) {
2206 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2207 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2208 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002209
2210 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002211}
2212
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002213/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002214
2215/* slow path */
2216
2217/*
2218 * General service functions
2219 */
2220
Eilon Greenstein2691d512009-08-12 08:22:08 +00002221/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002222u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002223{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002224 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002225 u32 seq = ++bp->fw_seq;
2226 u32 rc = 0;
2227 u32 cnt = 1;
2228 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2229
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002230 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002231 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2232 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2233
Eilon Greenstein2691d512009-08-12 08:22:08 +00002234 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2235
2236 do {
2237 /* let the FW do it's magic ... */
2238 msleep(delay);
2239
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002240 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002241
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002242 /* Give the FW up to 5 second (500*10ms) */
2243 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002244
2245 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2246 cnt*delay, rc, seq);
2247
2248 /* is this a reply to our command? */
2249 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2250 rc &= FW_MSG_CODE_MASK;
2251 else {
2252 /* FW BUG! */
2253 BNX2X_ERR("FW failed to respond!\n");
2254 bnx2x_fw_dump(bp);
2255 rc = 0;
2256 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002257 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002258
2259 return rc;
2260}
2261
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002262static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2263{
2264#ifdef BCM_CNIC
2265 if (IS_FCOE_FP(fp) && IS_MF(bp))
2266 return false;
2267#endif
2268 return true;
2269}
2270
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002271/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002272static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002273{
2274 u32 mask = (1 << cl_id);
2275
2276 /* initial seeting is BNX2X_ACCEPT_NONE */
2277 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2278 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2279 u8 unmatched_unicast = 0;
2280
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002281 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2282 unmatched_unicast = 1;
2283
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002284 if (filters & BNX2X_PROMISCUOUS_MODE) {
2285 /* promiscious - accept all, drop none */
2286 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2287 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002288 if (IS_MF_SI(bp)) {
2289 /*
2290 * SI mode defines to accept in promiscuos mode
2291 * only unmatched packets
2292 */
2293 unmatched_unicast = 1;
2294 accp_all_ucast = 0;
2295 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002296 }
2297 if (filters & BNX2X_ACCEPT_UNICAST) {
2298 /* accept matched ucast */
2299 drop_all_ucast = 0;
2300 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002301 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002302 /* accept matched mcast */
2303 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002304
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002305 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2306 /* accept all mcast */
2307 drop_all_ucast = 0;
2308 accp_all_ucast = 1;
2309 }
2310 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2311 /* accept all mcast */
2312 drop_all_mcast = 0;
2313 accp_all_mcast = 1;
2314 }
2315 if (filters & BNX2X_ACCEPT_BROADCAST) {
2316 /* accept (all) bcast */
2317 drop_all_bcast = 0;
2318 accp_all_bcast = 1;
2319 }
2320
2321 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2322 bp->mac_filters.ucast_drop_all | mask :
2323 bp->mac_filters.ucast_drop_all & ~mask;
2324
2325 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2326 bp->mac_filters.mcast_drop_all | mask :
2327 bp->mac_filters.mcast_drop_all & ~mask;
2328
2329 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2330 bp->mac_filters.bcast_drop_all | mask :
2331 bp->mac_filters.bcast_drop_all & ~mask;
2332
2333 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2334 bp->mac_filters.ucast_accept_all | mask :
2335 bp->mac_filters.ucast_accept_all & ~mask;
2336
2337 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2338 bp->mac_filters.mcast_accept_all | mask :
2339 bp->mac_filters.mcast_accept_all & ~mask;
2340
2341 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2342 bp->mac_filters.bcast_accept_all | mask :
2343 bp->mac_filters.bcast_accept_all & ~mask;
2344
2345 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2346 bp->mac_filters.unmatched_unicast | mask :
2347 bp->mac_filters.unmatched_unicast & ~mask;
2348}
2349
stephen hemminger8d962862010-10-21 07:50:56 +00002350static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002351{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002352 struct tstorm_eth_function_common_config tcfg = {0};
2353 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002354
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002355 /* tpa */
2356 if (p->func_flgs & FUNC_FLG_TPA)
2357 tcfg.config_flags |=
2358 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002359
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002360 /* set rss flags */
2361 rss_flgs = (p->rss->mode <<
2362 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002363
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002364 if (p->rss->cap & RSS_IPV4_CAP)
2365 rss_flgs |= RSS_IPV4_CAP_MASK;
2366 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2367 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2368 if (p->rss->cap & RSS_IPV6_CAP)
2369 rss_flgs |= RSS_IPV6_CAP_MASK;
2370 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2371 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002372
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002373 tcfg.config_flags |= rss_flgs;
2374 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002375
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002376 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002377
2378 /* Enable the function in the FW */
2379 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2380 storm_memset_func_en(bp, p->func_id, 1);
2381
2382 /* statistics */
2383 if (p->func_flgs & FUNC_FLG_STATS) {
2384 struct stats_indication_flags stats_flags = {0};
2385 stats_flags.collect_eth = 1;
2386
2387 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2388 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2389
2390 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2391 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2392
2393 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2394 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2395
2396 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2397 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2398 }
2399
2400 /* spq */
2401 if (p->func_flgs & FUNC_FLG_SPQ) {
2402 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2403 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2404 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2405 }
2406}
2407
2408static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2409 struct bnx2x_fastpath *fp)
2410{
2411 u16 flags = 0;
2412
2413 /* calculate queue flags */
2414 flags |= QUEUE_FLG_CACHE_ALIGN;
2415 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002416 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002417
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002418 flags |= QUEUE_FLG_VLAN;
2419 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002420
2421 if (!fp->disable_tpa)
2422 flags |= QUEUE_FLG_TPA;
2423
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002424 flags = stat_counter_valid(bp, fp) ?
2425 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002426
2427 return flags;
2428}
2429
2430static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2431 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2432 struct bnx2x_rxq_init_params *rxq_init)
2433{
2434 u16 max_sge = 0;
2435 u16 sge_sz = 0;
2436 u16 tpa_agg_size = 0;
2437
2438 /* calculate queue flags */
2439 u16 flags = bnx2x_get_cl_flags(bp, fp);
2440
2441 if (!fp->disable_tpa) {
2442 pause->sge_th_hi = 250;
2443 pause->sge_th_lo = 150;
2444 tpa_agg_size = min_t(u32,
2445 (min_t(u32, 8, MAX_SKB_FRAGS) *
2446 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2447 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2448 SGE_PAGE_SHIFT;
2449 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2450 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2451 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2452 0xffff);
2453 }
2454
2455 /* pause - not for e1 */
2456 if (!CHIP_IS_E1(bp)) {
2457 pause->bd_th_hi = 350;
2458 pause->bd_th_lo = 250;
2459 pause->rcq_th_hi = 350;
2460 pause->rcq_th_lo = 250;
2461 pause->sge_th_hi = 0;
2462 pause->sge_th_lo = 0;
2463 pause->pri_map = 1;
2464 }
2465
2466 /* rxq setup */
2467 rxq_init->flags = flags;
2468 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2469 rxq_init->dscr_map = fp->rx_desc_mapping;
2470 rxq_init->sge_map = fp->rx_sge_mapping;
2471 rxq_init->rcq_map = fp->rx_comp_mapping;
2472 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002473
2474 /* Always use mini-jumbo MTU for FCoE L2 ring */
2475 if (IS_FCOE_FP(fp))
2476 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2477 else
2478 rxq_init->mtu = bp->dev->mtu;
2479
2480 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002481 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2482 rxq_init->cl_id = fp->cl_id;
2483 rxq_init->spcl_id = fp->cl_id;
2484 rxq_init->stat_id = fp->cl_id;
2485 rxq_init->tpa_agg_sz = tpa_agg_size;
2486 rxq_init->sge_buf_sz = sge_sz;
2487 rxq_init->max_sges_pkt = max_sge;
2488 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2489 rxq_init->fw_sb_id = fp->fw_sb_id;
2490
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002491 if (IS_FCOE_FP(fp))
2492 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2493 else
2494 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002495
2496 rxq_init->cid = HW_CID(bp, fp->cid);
2497
2498 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2499}
2500
2501static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2502 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2503{
2504 u16 flags = bnx2x_get_cl_flags(bp, fp);
2505
2506 txq_init->flags = flags;
2507 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2508 txq_init->dscr_map = fp->tx_desc_mapping;
2509 txq_init->stat_id = fp->cl_id;
2510 txq_init->cid = HW_CID(bp, fp->cid);
2511 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2512 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2513 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002514
2515 if (IS_FCOE_FP(fp)) {
2516 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2517 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2518 }
2519
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002520 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2521}
2522
stephen hemminger8d962862010-10-21 07:50:56 +00002523static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002524{
2525 struct bnx2x_func_init_params func_init = {0};
2526 struct bnx2x_rss_params rss = {0};
2527 struct event_ring_data eq_data = { {0} };
2528 u16 flags;
2529
2530 /* pf specific setups */
2531 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002532 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002533
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002534 if (CHIP_IS_E2(bp)) {
2535 /* reset IGU PF statistics: MSIX + ATTN */
2536 /* PF */
2537 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2538 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2539 (CHIP_MODE_IS_4_PORT(bp) ?
2540 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2541 /* ATTN */
2542 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2543 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2544 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2545 (CHIP_MODE_IS_4_PORT(bp) ?
2546 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2547 }
2548
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002549 /* function setup flags */
2550 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2551
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002552 if (CHIP_IS_E1x(bp))
2553 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2554 else
2555 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002556
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002557 /* function setup */
2558
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002559 /**
2560 * Although RSS is meaningless when there is a single HW queue we
2561 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002562 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002563 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2564 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2565 rss.mode = bp->multi_mode;
2566 rss.result_mask = MULTI_MASK;
2567 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002568
2569 func_init.func_flgs = flags;
2570 func_init.pf_id = BP_FUNC(bp);
2571 func_init.func_id = BP_FUNC(bp);
2572 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2573 func_init.spq_map = bp->spq_mapping;
2574 func_init.spq_prod = bp->spq_prod_idx;
2575
2576 bnx2x_func_init(bp, &func_init);
2577
2578 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2579
2580 /*
2581 Congestion management values depend on the link rate
2582 There is no active link so initial link rate is set to 10 Gbps.
2583 When the link comes up The congestion management values are
2584 re-calculated according to the actual link rate.
2585 */
2586 bp->link_vars.line_speed = SPEED_10000;
2587 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2588
2589 /* Only the PMF sets the HW */
2590 if (bp->port.pmf)
2591 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2592
2593 /* no rx until link is up */
2594 bp->rx_mode = BNX2X_RX_MODE_NONE;
2595 bnx2x_set_storm_rx_mode(bp);
2596
2597 /* init Event Queue */
2598 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2599 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2600 eq_data.producer = bp->eq_prod;
2601 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2602 eq_data.sb_id = DEF_SB_ID;
2603 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2604}
2605
2606
Eilon Greenstein2691d512009-08-12 08:22:08 +00002607static void bnx2x_e1h_disable(struct bnx2x *bp)
2608{
2609 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002610
2611 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612
2613 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2614
Eilon Greenstein2691d512009-08-12 08:22:08 +00002615 netif_carrier_off(bp->dev);
2616}
2617
2618static void bnx2x_e1h_enable(struct bnx2x *bp)
2619{
2620 int port = BP_PORT(bp);
2621
2622 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2623
Eilon Greenstein2691d512009-08-12 08:22:08 +00002624 /* Tx queue should be only reenabled */
2625 netif_tx_wake_all_queues(bp->dev);
2626
Eilon Greenstein061bc702009-10-15 00:18:47 -07002627 /*
2628 * Should not call netif_carrier_on since it will be called if the link
2629 * is up when checking for link state
2630 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002631}
2632
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002633/* called due to MCP event (on pmf):
2634 * reread new bandwidth configuration
2635 * configure FW
2636 * notify others function about the change
2637 */
2638static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2639{
2640 if (bp->link_vars.link_up) {
2641 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2642 bnx2x_link_sync_notify(bp);
2643 }
2644 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2645}
2646
2647static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2648{
2649 bnx2x_config_mf_bw(bp);
2650 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2651}
2652
Eilon Greenstein2691d512009-08-12 08:22:08 +00002653static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2654{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002655 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002656
2657 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2658
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002659 /*
2660 * This is the only place besides the function initialization
2661 * where the bp->flags can change so it is done without any
2662 * locks
2663 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002664 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002665 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002666 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002667
2668 bnx2x_e1h_disable(bp);
2669 } else {
2670 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002671 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002672
2673 bnx2x_e1h_enable(bp);
2674 }
2675 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2676 }
2677 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002678 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002679 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2680 }
2681
2682 /* Report results to MCP */
2683 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002684 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002685 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002686 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687}
2688
Michael Chan28912902009-10-10 13:46:53 +00002689/* must be called under the spq lock */
2690static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2691{
2692 struct eth_spe *next_spe = bp->spq_prod_bd;
2693
2694 if (bp->spq_prod_bd == bp->spq_last_bd) {
2695 bp->spq_prod_bd = bp->spq;
2696 bp->spq_prod_idx = 0;
2697 DP(NETIF_MSG_TIMER, "end of spq\n");
2698 } else {
2699 bp->spq_prod_bd++;
2700 bp->spq_prod_idx++;
2701 }
2702 return next_spe;
2703}
2704
2705/* must be called under the spq lock */
2706static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2707{
2708 int func = BP_FUNC(bp);
2709
2710 /* Make sure that BD data is updated before writing the producer */
2711 wmb();
2712
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002713 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002714 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002715 mmiowb();
2716}
2717
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002718/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002719int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002720 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002721{
Michael Chan28912902009-10-10 13:46:53 +00002722 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002723 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002724
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002725#ifdef BNX2X_STOP_ON_ERROR
2726 if (unlikely(bp->panic))
2727 return -EIO;
2728#endif
2729
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002730 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002731
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002732 if (common) {
2733 if (!atomic_read(&bp->eq_spq_left)) {
2734 BNX2X_ERR("BUG! EQ ring full!\n");
2735 spin_unlock_bh(&bp->spq_lock);
2736 bnx2x_panic();
2737 return -EBUSY;
2738 }
2739 } else if (!atomic_read(&bp->cq_spq_left)) {
2740 BNX2X_ERR("BUG! SPQ ring full!\n");
2741 spin_unlock_bh(&bp->spq_lock);
2742 bnx2x_panic();
2743 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002744 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002745
Michael Chan28912902009-10-10 13:46:53 +00002746 spe = bnx2x_sp_get_next(bp);
2747
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002748 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002749 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002750 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2751 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002752
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002753 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002754 /* Common ramrods:
2755 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2756 * TRAFFIC_STOP, TRAFFIC_START
2757 */
2758 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2759 & SPE_HDR_CONN_TYPE;
2760 else
2761 /* ETH ramrods: SETUP, HALT */
2762 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2763 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002764
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002765 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2766 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002768 spe->hdr.type = cpu_to_le16(type);
2769
2770 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2771 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2772
2773 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002774 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002775 /* It's ok if the actual decrement is issued towards the memory
2776 * somewhere between the spin_lock and spin_unlock. Thus no
2777 * more explict memory barrier is needed.
2778 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002779 if (common)
2780 atomic_dec(&bp->eq_spq_left);
2781 else
2782 atomic_dec(&bp->cq_spq_left);
2783 }
2784
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002785
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002786 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002787 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002788 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002789 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2790 (u32)(U64_LO(bp->spq_mapping) +
2791 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002792 HW_CID(bp, cid), data_hi, data_lo, type,
2793 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002794
Michael Chan28912902009-10-10 13:46:53 +00002795 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002796 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002797 return 0;
2798}
2799
2800/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002801static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002802{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002803 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002804 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002805
2806 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002807 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002808 val = (1UL << 31);
2809 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2810 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2811 if (val & (1L << 31))
2812 break;
2813
2814 msleep(5);
2815 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002816 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002817 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002818 rc = -EBUSY;
2819 }
2820
2821 return rc;
2822}
2823
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002824/* release split MCP access lock register */
2825static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002826{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002827 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828}
2829
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002830#define BNX2X_DEF_SB_ATT_IDX 0x0001
2831#define BNX2X_DEF_SB_IDX 0x0002
2832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002833static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2834{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002835 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002836 u16 rc = 0;
2837
2838 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002839 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2840 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002841 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002842 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002843
2844 if (bp->def_idx != def_sb->sp_sb.running_index) {
2845 bp->def_idx = def_sb->sp_sb.running_index;
2846 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002847 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002848
2849 /* Do not reorder: indecies reading should complete before handling */
2850 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002851 return rc;
2852}
2853
2854/*
2855 * slow path service functions
2856 */
2857
2858static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2859{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002860 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002861 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2862 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002863 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2864 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002865 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002866 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002867 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002868
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002869 if (bp->attn_state & asserted)
2870 BNX2X_ERR("IGU ERROR\n");
2871
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002872 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2873 aeu_mask = REG_RD(bp, aeu_addr);
2874
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002875 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002876 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002877 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002878 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002879
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002880 REG_WR(bp, aeu_addr, aeu_mask);
2881 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002882
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002883 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002884 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002885 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002886
2887 if (asserted & ATTN_HARD_WIRED_MASK) {
2888 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002889
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002890 bnx2x_acquire_phy_lock(bp);
2891
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002892 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002893 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002894 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002895
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002896 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002897
2898 /* handle unicore attn? */
2899 }
2900 if (asserted & ATTN_SW_TIMER_4_FUNC)
2901 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2902
2903 if (asserted & GPIO_2_FUNC)
2904 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2905
2906 if (asserted & GPIO_3_FUNC)
2907 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2908
2909 if (asserted & GPIO_4_FUNC)
2910 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2911
2912 if (port == 0) {
2913 if (asserted & ATTN_GENERAL_ATTN_1) {
2914 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2915 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2916 }
2917 if (asserted & ATTN_GENERAL_ATTN_2) {
2918 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2919 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2920 }
2921 if (asserted & ATTN_GENERAL_ATTN_3) {
2922 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2923 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2924 }
2925 } else {
2926 if (asserted & ATTN_GENERAL_ATTN_4) {
2927 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2928 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2929 }
2930 if (asserted & ATTN_GENERAL_ATTN_5) {
2931 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2932 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2933 }
2934 if (asserted & ATTN_GENERAL_ATTN_6) {
2935 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2936 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2937 }
2938 }
2939
2940 } /* if hardwired */
2941
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002942 if (bp->common.int_block == INT_BLOCK_HC)
2943 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2944 COMMAND_REG_ATTN_BITS_SET);
2945 else
2946 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2947
2948 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2949 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2950 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002951
2952 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002953 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002954 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002955 bnx2x_release_phy_lock(bp);
2956 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002957}
2958
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002959static inline void bnx2x_fan_failure(struct bnx2x *bp)
2960{
2961 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002962 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002963 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002964 ext_phy_config =
2965 SHMEM_RD(bp,
2966 dev_info.port_hw_config[port].external_phy_config);
2967
2968 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2969 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002970 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002971 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002972
2973 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002974 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2975 " the driver to shutdown the card to prevent permanent"
2976 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002977}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002978
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002979static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2980{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002981 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002982 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002983 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002984
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002985 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2986 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002987
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002988 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002989
2990 val = REG_RD(bp, reg_offset);
2991 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2992 REG_WR(bp, reg_offset, val);
2993
2994 BNX2X_ERR("SPIO5 hw attention\n");
2995
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002996 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002997 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002998 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002999 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003000
Eilon Greenstein589abe32009-02-12 08:36:55 +00003001 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
3002 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
3003 bnx2x_acquire_phy_lock(bp);
3004 bnx2x_handle_module_detect_int(&bp->link_params);
3005 bnx2x_release_phy_lock(bp);
3006 }
3007
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003008 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3009
3010 val = REG_RD(bp, reg_offset);
3011 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3012 REG_WR(bp, reg_offset, val);
3013
3014 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003015 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003016 bnx2x_panic();
3017 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003018}
3019
3020static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3021{
3022 u32 val;
3023
Eilon Greenstein0626b892009-02-12 08:38:14 +00003024 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003025
3026 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3027 BNX2X_ERR("DB hw attention 0x%x\n", val);
3028 /* DORQ discard attention */
3029 if (val & 0x2)
3030 BNX2X_ERR("FATAL error from DORQ\n");
3031 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003032
3033 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3034
3035 int port = BP_PORT(bp);
3036 int reg_offset;
3037
3038 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3039 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3040
3041 val = REG_RD(bp, reg_offset);
3042 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3043 REG_WR(bp, reg_offset, val);
3044
3045 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003046 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003047 bnx2x_panic();
3048 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003049}
3050
3051static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3052{
3053 u32 val;
3054
3055 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3056
3057 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3058 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3059 /* CFC error attention */
3060 if (val & 0x2)
3061 BNX2X_ERR("FATAL error from CFC\n");
3062 }
3063
3064 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3065
3066 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3067 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3068 /* RQ_USDMDP_FIFO_OVERFLOW */
3069 if (val & 0x18000)
3070 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003071 if (CHIP_IS_E2(bp)) {
3072 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3073 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3074 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003075 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003076
3077 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3078
3079 int port = BP_PORT(bp);
3080 int reg_offset;
3081
3082 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3083 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3084
3085 val = REG_RD(bp, reg_offset);
3086 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3087 REG_WR(bp, reg_offset, val);
3088
3089 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003090 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003091 bnx2x_panic();
3092 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003093}
3094
3095static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3096{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003097 u32 val;
3098
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003099 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3100
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003101 if (attn & BNX2X_PMF_LINK_ASSERT) {
3102 int func = BP_FUNC(bp);
3103
3104 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003105 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3106 func_mf_config[BP_ABS_FUNC(bp)].config);
3107 val = SHMEM_RD(bp,
3108 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003109 if (val & DRV_STATUS_DCC_EVENT_MASK)
3110 bnx2x_dcc_event(bp,
3111 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003112
3113 if (val & DRV_STATUS_SET_MF_BW)
3114 bnx2x_set_mf_bw(bp);
3115
Eilon Greenstein2691d512009-08-12 08:22:08 +00003116 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003117 bnx2x_pmf_update(bp);
3118
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003119 /* Always call it here: bnx2x_link_report() will
3120 * prevent the link indication duplication.
3121 */
3122 bnx2x__link_status_update(bp);
3123
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003124 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003125 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3126 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003127 /* start dcbx state machine */
3128 bnx2x_dcbx_set_params(bp,
3129 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003130 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003131
3132 BNX2X_ERR("MC assert!\n");
3133 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3134 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3135 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3136 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3137 bnx2x_panic();
3138
3139 } else if (attn & BNX2X_MCP_ASSERT) {
3140
3141 BNX2X_ERR("MCP assert!\n");
3142 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003143 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003144
3145 } else
3146 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3147 }
3148
3149 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003150 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3151 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003152 val = CHIP_IS_E1(bp) ? 0 :
3153 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003154 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3155 }
3156 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003157 val = CHIP_IS_E1(bp) ? 0 :
3158 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003159 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3160 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003161 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003162 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003163}
3164
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003165#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3166#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3167#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3168#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3169#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003170
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003171/*
3172 * should be run under rtnl lock
3173 */
3174static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3175{
3176 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3177 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3178 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3179 barrier();
3180 mmiowb();
3181}
3182
3183/*
3184 * should be run under rtnl lock
3185 */
3186static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3187{
3188 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3189 val |= (1 << 16);
3190 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3191 barrier();
3192 mmiowb();
3193}
3194
3195/*
3196 * should be run under rtnl lock
3197 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003198bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003199{
3200 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3201 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3202 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3203}
3204
3205/*
3206 * should be run under rtnl lock
3207 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003208inline void bnx2x_inc_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
3220/*
3221 * should be run under rtnl lock
3222 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003223u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003224{
3225 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3226
3227 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3228
3229 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3230 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3231 barrier();
3232 mmiowb();
3233
3234 return val1;
3235}
3236
3237/*
3238 * should be run under rtnl lock
3239 */
3240static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3241{
3242 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3243}
3244
3245static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3246{
3247 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3248 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3249}
3250
3251static inline void _print_next_block(int idx, const char *blk)
3252{
3253 if (idx)
3254 pr_cont(", ");
3255 pr_cont("%s", blk);
3256}
3257
3258static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3259{
3260 int i = 0;
3261 u32 cur_bit = 0;
3262 for (i = 0; sig; i++) {
3263 cur_bit = ((u32)0x1 << i);
3264 if (sig & cur_bit) {
3265 switch (cur_bit) {
3266 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3267 _print_next_block(par_num++, "BRB");
3268 break;
3269 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3270 _print_next_block(par_num++, "PARSER");
3271 break;
3272 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3273 _print_next_block(par_num++, "TSDM");
3274 break;
3275 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3276 _print_next_block(par_num++, "SEARCHER");
3277 break;
3278 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3279 _print_next_block(par_num++, "TSEMI");
3280 break;
3281 }
3282
3283 /* Clear the bit */
3284 sig &= ~cur_bit;
3285 }
3286 }
3287
3288 return par_num;
3289}
3290
3291static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3292{
3293 int i = 0;
3294 u32 cur_bit = 0;
3295 for (i = 0; sig; i++) {
3296 cur_bit = ((u32)0x1 << i);
3297 if (sig & cur_bit) {
3298 switch (cur_bit) {
3299 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3300 _print_next_block(par_num++, "PBCLIENT");
3301 break;
3302 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3303 _print_next_block(par_num++, "QM");
3304 break;
3305 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3306 _print_next_block(par_num++, "XSDM");
3307 break;
3308 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3309 _print_next_block(par_num++, "XSEMI");
3310 break;
3311 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3312 _print_next_block(par_num++, "DOORBELLQ");
3313 break;
3314 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3315 _print_next_block(par_num++, "VAUX PCI CORE");
3316 break;
3317 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3318 _print_next_block(par_num++, "DEBUG");
3319 break;
3320 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3321 _print_next_block(par_num++, "USDM");
3322 break;
3323 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3324 _print_next_block(par_num++, "USEMI");
3325 break;
3326 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3327 _print_next_block(par_num++, "UPB");
3328 break;
3329 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3330 _print_next_block(par_num++, "CSDM");
3331 break;
3332 }
3333
3334 /* Clear the bit */
3335 sig &= ~cur_bit;
3336 }
3337 }
3338
3339 return par_num;
3340}
3341
3342static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3343{
3344 int i = 0;
3345 u32 cur_bit = 0;
3346 for (i = 0; sig; i++) {
3347 cur_bit = ((u32)0x1 << i);
3348 if (sig & cur_bit) {
3349 switch (cur_bit) {
3350 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3351 _print_next_block(par_num++, "CSEMI");
3352 break;
3353 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3354 _print_next_block(par_num++, "PXP");
3355 break;
3356 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3357 _print_next_block(par_num++,
3358 "PXPPCICLOCKCLIENT");
3359 break;
3360 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3361 _print_next_block(par_num++, "CFC");
3362 break;
3363 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3364 _print_next_block(par_num++, "CDU");
3365 break;
3366 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3367 _print_next_block(par_num++, "IGU");
3368 break;
3369 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3370 _print_next_block(par_num++, "MISC");
3371 break;
3372 }
3373
3374 /* Clear the bit */
3375 sig &= ~cur_bit;
3376 }
3377 }
3378
3379 return par_num;
3380}
3381
3382static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3383{
3384 int i = 0;
3385 u32 cur_bit = 0;
3386 for (i = 0; sig; i++) {
3387 cur_bit = ((u32)0x1 << i);
3388 if (sig & cur_bit) {
3389 switch (cur_bit) {
3390 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3391 _print_next_block(par_num++, "MCP ROM");
3392 break;
3393 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3394 _print_next_block(par_num++, "MCP UMP RX");
3395 break;
3396 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3397 _print_next_block(par_num++, "MCP UMP TX");
3398 break;
3399 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3400 _print_next_block(par_num++, "MCP SCPAD");
3401 break;
3402 }
3403
3404 /* Clear the bit */
3405 sig &= ~cur_bit;
3406 }
3407 }
3408
3409 return par_num;
3410}
3411
3412static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3413 u32 sig2, u32 sig3)
3414{
3415 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3416 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3417 int par_num = 0;
3418 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3419 "[0]:0x%08x [1]:0x%08x "
3420 "[2]:0x%08x [3]:0x%08x\n",
3421 sig0 & HW_PRTY_ASSERT_SET_0,
3422 sig1 & HW_PRTY_ASSERT_SET_1,
3423 sig2 & HW_PRTY_ASSERT_SET_2,
3424 sig3 & HW_PRTY_ASSERT_SET_3);
3425 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3426 bp->dev->name);
3427 par_num = bnx2x_print_blocks_with_parity0(
3428 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3429 par_num = bnx2x_print_blocks_with_parity1(
3430 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3431 par_num = bnx2x_print_blocks_with_parity2(
3432 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3433 par_num = bnx2x_print_blocks_with_parity3(
3434 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3435 printk("\n");
3436 return true;
3437 } else
3438 return false;
3439}
3440
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003441bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003442{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003443 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003444 int port = BP_PORT(bp);
3445
3446 attn.sig[0] = REG_RD(bp,
3447 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3448 port*4);
3449 attn.sig[1] = REG_RD(bp,
3450 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3451 port*4);
3452 attn.sig[2] = REG_RD(bp,
3453 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3454 port*4);
3455 attn.sig[3] = REG_RD(bp,
3456 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3457 port*4);
3458
3459 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3460 attn.sig[3]);
3461}
3462
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003463
3464static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3465{
3466 u32 val;
3467 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3468
3469 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3470 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3471 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3472 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3473 "ADDRESS_ERROR\n");
3474 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "INCORRECT_RCV_BEHAVIOR\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "WAS_ERROR_ATTN\n");
3480 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3481 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3482 "VF_LENGTH_VIOLATION_ATTN\n");
3483 if (val &
3484 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3485 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3486 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3487 if (val &
3488 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3489 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3490 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3491 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3492 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3493 "TCPL_ERROR_ATTN\n");
3494 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3495 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3496 "TCPL_IN_TWO_RCBS_ATTN\n");
3497 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3498 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3499 "CSSNOOP_FIFO_OVERFLOW\n");
3500 }
3501 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3502 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3503 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3504 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3505 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3506 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3507 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3508 "_ATC_TCPL_TO_NOT_PEND\n");
3509 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3510 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3511 "ATC_GPA_MULTIPLE_HITS\n");
3512 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3513 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3514 "ATC_RCPL_TO_EMPTY_CNT\n");
3515 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3516 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3517 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3518 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3519 "ATC_IREQ_LESS_THAN_STU\n");
3520 }
3521
3522 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3523 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3524 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3525 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3526 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3527 }
3528
3529}
3530
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003531static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3532{
3533 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003534 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003535 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003536 u32 reg_addr;
3537 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003538 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003539
3540 /* need to take HW lock because MCP or other port might also
3541 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003542 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003543
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003544 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003545 bp->recovery_state = BNX2X_RECOVERY_INIT;
3546 bnx2x_set_reset_in_progress(bp);
3547 schedule_delayed_work(&bp->reset_task, 0);
3548 /* Disable HW interrupts */
3549 bnx2x_int_disable(bp);
3550 bnx2x_release_alr(bp);
3551 /* In case of parity errors don't handle attentions so that
3552 * other function would "see" parity errors.
3553 */
3554 return;
3555 }
3556
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3558 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3559 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3560 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003561 if (CHIP_IS_E2(bp))
3562 attn.sig[4] =
3563 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3564 else
3565 attn.sig[4] = 0;
3566
3567 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3568 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003569
3570 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3571 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003572 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003573
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003574 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3575 "%08x %08x %08x\n",
3576 index,
3577 group_mask->sig[0], group_mask->sig[1],
3578 group_mask->sig[2], group_mask->sig[3],
3579 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003580
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003581 bnx2x_attn_int_deasserted4(bp,
3582 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003583 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003584 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003585 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003586 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003587 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003588 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003589 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003590 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003591 }
3592 }
3593
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003594 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003595
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003596 if (bp->common.int_block == INT_BLOCK_HC)
3597 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3598 COMMAND_REG_ATTN_BITS_CLR);
3599 else
3600 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003601
3602 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003603 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3604 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003605 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003606
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003607 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003608 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003609
3610 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3611 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3612
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003613 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3614 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003615
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003616 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3617 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003618 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003619 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3620
3621 REG_WR(bp, reg_addr, aeu_mask);
3622 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003623
3624 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3625 bp->attn_state &= ~deasserted;
3626 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3627}
3628
3629static void bnx2x_attn_int(struct bnx2x *bp)
3630{
3631 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003632 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3633 attn_bits);
3634 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3635 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003636 u32 attn_state = bp->attn_state;
3637
3638 /* look for changed bits */
3639 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3640 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3641
3642 DP(NETIF_MSG_HW,
3643 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3644 attn_bits, attn_ack, asserted, deasserted);
3645
3646 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003647 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003648
3649 /* handle bits that were raised */
3650 if (asserted)
3651 bnx2x_attn_int_asserted(bp, asserted);
3652
3653 if (deasserted)
3654 bnx2x_attn_int_deasserted(bp, deasserted);
3655}
3656
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003657static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3658{
3659 /* No memory barriers */
3660 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3661 mmiowb(); /* keep prod updates ordered */
3662}
3663
3664#ifdef BCM_CNIC
3665static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3666 union event_ring_elem *elem)
3667{
3668 if (!bp->cnic_eth_dev.starting_cid ||
3669 cid < bp->cnic_eth_dev.starting_cid)
3670 return 1;
3671
3672 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3673
3674 if (unlikely(elem->message.data.cfc_del_event.error)) {
3675 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3676 cid);
3677 bnx2x_panic_dump(bp);
3678 }
3679 bnx2x_cnic_cfc_comp(bp, cid);
3680 return 0;
3681}
3682#endif
3683
3684static void bnx2x_eq_int(struct bnx2x *bp)
3685{
3686 u16 hw_cons, sw_cons, sw_prod;
3687 union event_ring_elem *elem;
3688 u32 cid;
3689 u8 opcode;
3690 int spqe_cnt = 0;
3691
3692 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3693
3694 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3695 * when we get the the next-page we nned to adjust so the loop
3696 * condition below will be met. The next element is the size of a
3697 * regular element and hence incrementing by 1
3698 */
3699 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3700 hw_cons++;
3701
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003702 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003703 * specific bp, thus there is no need in "paired" read memory
3704 * barrier here.
3705 */
3706 sw_cons = bp->eq_cons;
3707 sw_prod = bp->eq_prod;
3708
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003709 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3710 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003711
3712 for (; sw_cons != hw_cons;
3713 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3714
3715
3716 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3717
3718 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3719 opcode = elem->message.opcode;
3720
3721
3722 /* handle eq element */
3723 switch (opcode) {
3724 case EVENT_RING_OPCODE_STAT_QUERY:
3725 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3726 /* nothing to do with stats comp */
3727 continue;
3728
3729 case EVENT_RING_OPCODE_CFC_DEL:
3730 /* handle according to cid range */
3731 /*
3732 * we may want to verify here that the bp state is
3733 * HALTING
3734 */
3735 DP(NETIF_MSG_IFDOWN,
3736 "got delete ramrod for MULTI[%d]\n", cid);
3737#ifdef BCM_CNIC
3738 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3739 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003740 if (cid == BNX2X_FCOE_ETH_CID)
3741 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3742 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003743#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003744 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003745 BNX2X_FP_STATE_CLOSED;
3746
3747 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003748
3749 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3750 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3751 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3752 goto next_spqe;
3753 case EVENT_RING_OPCODE_START_TRAFFIC:
3754 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3755 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3756 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003757 }
3758
3759 switch (opcode | bp->state) {
3760 case (EVENT_RING_OPCODE_FUNCTION_START |
3761 BNX2X_STATE_OPENING_WAIT4_PORT):
3762 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3763 bp->state = BNX2X_STATE_FUNC_STARTED;
3764 break;
3765
3766 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3767 BNX2X_STATE_CLOSING_WAIT4_HALT):
3768 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3769 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3770 break;
3771
3772 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3773 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3774 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003775 if (elem->message.data.set_mac_event.echo)
3776 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003777 break;
3778
3779 case (EVENT_RING_OPCODE_SET_MAC |
3780 BNX2X_STATE_CLOSING_WAIT4_HALT):
3781 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003782 if (elem->message.data.set_mac_event.echo)
3783 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003784 break;
3785 default:
3786 /* unknown event log error and continue */
3787 BNX2X_ERR("Unknown EQ event %d\n",
3788 elem->message.opcode);
3789 }
3790next_spqe:
3791 spqe_cnt++;
3792 } /* for */
3793
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003794 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003795 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003796
3797 bp->eq_cons = sw_cons;
3798 bp->eq_prod = sw_prod;
3799 /* Make sure that above mem writes were issued towards the memory */
3800 smp_wmb();
3801
3802 /* update producer */
3803 bnx2x_update_eq_prod(bp, bp->eq_prod);
3804}
3805
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003806static void bnx2x_sp_task(struct work_struct *work)
3807{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003808 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809 u16 status;
3810
3811 /* Return here if interrupt is disabled */
3812 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003813 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003814 return;
3815 }
3816
3817 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003818/* if (status == 0) */
3819/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003820
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003821 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003822
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003823 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003824 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003825 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003826 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003827 }
3828
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003829 /* SP events: STAT_QUERY and others */
3830 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003831#ifdef BCM_CNIC
3832 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003833
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003834 if ((!NO_FCOE(bp)) &&
3835 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3836 napi_schedule(&bnx2x_fcoe(bp, napi));
3837#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003838 /* Handle EQ completions */
3839 bnx2x_eq_int(bp);
3840
3841 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3842 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3843
3844 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003845 }
3846
3847 if (unlikely(status))
3848 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3849 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003850
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003851 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3852 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003853}
3854
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003855irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003856{
3857 struct net_device *dev = dev_instance;
3858 struct bnx2x *bp = netdev_priv(dev);
3859
3860 /* Return here if interrupt is disabled */
3861 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003862 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003863 return IRQ_HANDLED;
3864 }
3865
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003866 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3867 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003868
3869#ifdef BNX2X_STOP_ON_ERROR
3870 if (unlikely(bp->panic))
3871 return IRQ_HANDLED;
3872#endif
3873
Michael Chan993ac7b2009-10-10 13:46:56 +00003874#ifdef BCM_CNIC
3875 {
3876 struct cnic_ops *c_ops;
3877
3878 rcu_read_lock();
3879 c_ops = rcu_dereference(bp->cnic_ops);
3880 if (c_ops)
3881 c_ops->cnic_handler(bp->cnic_data, NULL);
3882 rcu_read_unlock();
3883 }
3884#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003885 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003886
3887 return IRQ_HANDLED;
3888}
3889
3890/* end of slow path */
3891
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003892static void bnx2x_timer(unsigned long data)
3893{
3894 struct bnx2x *bp = (struct bnx2x *) data;
3895
3896 if (!netif_running(bp->dev))
3897 return;
3898
3899 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003900 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003901
3902 if (poll) {
3903 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003904
Eilon Greenstein7961f792009-03-02 07:59:31 +00003905 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003906 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003907 }
3908
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003909 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003910 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003911 u32 drv_pulse;
3912 u32 mcp_pulse;
3913
3914 ++bp->fw_drv_pulse_wr_seq;
3915 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3916 /* TBD - add SYSTEM_TIME */
3917 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003918 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003919
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003920 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003921 MCP_PULSE_SEQ_MASK);
3922 /* The delta between driver pulse and mcp response
3923 * should be 1 (before mcp response) or 0 (after mcp response)
3924 */
3925 if ((drv_pulse != mcp_pulse) &&
3926 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3927 /* someone lost a heartbeat... */
3928 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3929 drv_pulse, mcp_pulse);
3930 }
3931 }
3932
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003933 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003934 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003935
Eliezer Tamirf1410642008-02-28 11:51:50 -08003936timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003937 mod_timer(&bp->timer, jiffies + bp->current_interval);
3938}
3939
3940/* end of Statistics */
3941
3942/* nic init */
3943
3944/*
3945 * nic init service functions
3946 */
3947
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003948static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003949{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003950 u32 i;
3951 if (!(len%4) && !(addr%4))
3952 for (i = 0; i < len; i += 4)
3953 REG_WR(bp, addr + i, fill);
3954 else
3955 for (i = 0; i < len; i++)
3956 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003957
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003958}
3959
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003960/* helper: writes FP SP data to FW - data_size in dwords */
3961static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3962 int fw_sb_id,
3963 u32 *sb_data_p,
3964 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003965{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003966 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003967 for (index = 0; index < data_size; index++)
3968 REG_WR(bp, BAR_CSTRORM_INTMEM +
3969 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3970 sizeof(u32)*index,
3971 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003972}
3973
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003974static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3975{
3976 u32 *sb_data_p;
3977 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003978 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003979 struct hc_status_block_data_e1x sb_data_e1x;
3980
3981 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003982 if (CHIP_IS_E2(bp)) {
3983 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3984 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3985 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3986 sb_data_e2.common.p_func.vf_valid = false;
3987 sb_data_p = (u32 *)&sb_data_e2;
3988 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3989 } else {
3990 memset(&sb_data_e1x, 0,
3991 sizeof(struct hc_status_block_data_e1x));
3992 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3993 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3994 sb_data_e1x.common.p_func.vf_valid = false;
3995 sb_data_p = (u32 *)&sb_data_e1x;
3996 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3997 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003998 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3999
4000 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4001 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4002 CSTORM_STATUS_BLOCK_SIZE);
4003 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4004 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4005 CSTORM_SYNC_BLOCK_SIZE);
4006}
4007
4008/* helper: writes SP SB data to FW */
4009static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4010 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004011{
4012 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004013 int i;
4014 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4015 REG_WR(bp, BAR_CSTRORM_INTMEM +
4016 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4017 i*sizeof(u32),
4018 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004019}
4020
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004021static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4022{
4023 int func = BP_FUNC(bp);
4024 struct hc_sp_status_block_data sp_sb_data;
4025 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4026
4027 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4028 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4029 sp_sb_data.p_func.vf_valid = false;
4030
4031 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4032
4033 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4034 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4035 CSTORM_SP_STATUS_BLOCK_SIZE);
4036 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4037 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4038 CSTORM_SP_SYNC_BLOCK_SIZE);
4039
4040}
4041
4042
4043static inline
4044void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4045 int igu_sb_id, int igu_seg_id)
4046{
4047 hc_sm->igu_sb_id = igu_sb_id;
4048 hc_sm->igu_seg_id = igu_seg_id;
4049 hc_sm->timer_value = 0xFF;
4050 hc_sm->time_to_expire = 0xFFFFFFFF;
4051}
4052
stephen hemminger8d962862010-10-21 07:50:56 +00004053static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004054 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4055{
4056 int igu_seg_id;
4057
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004058 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004059 struct hc_status_block_data_e1x sb_data_e1x;
4060 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004061 int data_size;
4062 u32 *sb_data_p;
4063
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004064 if (CHIP_INT_MODE_IS_BC(bp))
4065 igu_seg_id = HC_SEG_ACCESS_NORM;
4066 else
4067 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004068
4069 bnx2x_zero_fp_sb(bp, fw_sb_id);
4070
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004071 if (CHIP_IS_E2(bp)) {
4072 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4073 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4074 sb_data_e2.common.p_func.vf_id = vfid;
4075 sb_data_e2.common.p_func.vf_valid = vf_valid;
4076 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4077 sb_data_e2.common.same_igu_sb_1b = true;
4078 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4079 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4080 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004081 sb_data_p = (u32 *)&sb_data_e2;
4082 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4083 } else {
4084 memset(&sb_data_e1x, 0,
4085 sizeof(struct hc_status_block_data_e1x));
4086 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4087 sb_data_e1x.common.p_func.vf_id = 0xff;
4088 sb_data_e1x.common.p_func.vf_valid = false;
4089 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4090 sb_data_e1x.common.same_igu_sb_1b = true;
4091 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4092 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4093 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004094 sb_data_p = (u32 *)&sb_data_e1x;
4095 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4096 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004097
4098 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4099 igu_sb_id, igu_seg_id);
4100 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4101 igu_sb_id, igu_seg_id);
4102
4103 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4104
4105 /* write indecies to HW */
4106 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4107}
4108
4109static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4110 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004111{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004112 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004113 u8 ticks = usec / BNX2X_BTR;
4114
4115 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4116
4117 disable = disable ? 1 : (usec ? 0 : 1);
4118 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4119}
4120
4121static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4122 u16 tx_usec, u16 rx_usec)
4123{
4124 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4125 false, rx_usec);
4126 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4127 false, tx_usec);
4128}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004129
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004130static void bnx2x_init_def_sb(struct bnx2x *bp)
4131{
4132 struct host_sp_status_block *def_sb = bp->def_status_blk;
4133 dma_addr_t mapping = bp->def_status_blk_mapping;
4134 int igu_sp_sb_index;
4135 int igu_seg_id;
4136 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004137 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004138 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004139 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004140 int index;
4141 struct hc_sp_status_block_data sp_sb_data;
4142 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4143
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004144 if (CHIP_INT_MODE_IS_BC(bp)) {
4145 igu_sp_sb_index = DEF_SB_IGU_ID;
4146 igu_seg_id = HC_SEG_ACCESS_DEF;
4147 } else {
4148 igu_sp_sb_index = bp->igu_dsb_id;
4149 igu_seg_id = IGU_SEG_ACCESS_DEF;
4150 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004151
4152 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004153 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004154 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004155 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004156
Eliezer Tamir49d66772008-02-28 11:53:13 -08004157 bp->attn_state = 0;
4158
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004159 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4160 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004161 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004162 int sindex;
4163 /* take care of sig[0]..sig[4] */
4164 for (sindex = 0; sindex < 4; sindex++)
4165 bp->attn_group[index].sig[sindex] =
4166 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004167
4168 if (CHIP_IS_E2(bp))
4169 /*
4170 * enable5 is separate from the rest of the registers,
4171 * and therefore the address skip is 4
4172 * and not 16 between the different groups
4173 */
4174 bp->attn_group[index].sig[4] = REG_RD(bp,
4175 reg_offset + 0x10 + 0x4*index);
4176 else
4177 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004178 }
4179
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004180 if (bp->common.int_block == INT_BLOCK_HC) {
4181 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4182 HC_REG_ATTN_MSG0_ADDR_L);
4183
4184 REG_WR(bp, reg_offset, U64_LO(section));
4185 REG_WR(bp, reg_offset + 4, U64_HI(section));
4186 } else if (CHIP_IS_E2(bp)) {
4187 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4188 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4189 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004190
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004191 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4192 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004194 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004195
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004196 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4197 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4198 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4199 sp_sb_data.igu_seg_id = igu_seg_id;
4200 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004201 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004202 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004203
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004204 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004205
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004206 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004207 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004208
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004209 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004210}
4211
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004212void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004213{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004214 int i;
4215
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004216 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004217 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004218 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004219}
4220
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004221static void bnx2x_init_sp_ring(struct bnx2x *bp)
4222{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004223 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004224 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004225
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004227 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4228 bp->spq_prod_bd = bp->spq;
4229 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004230}
4231
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004232static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004233{
4234 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004235 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4236 union event_ring_elem *elem =
4237 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004238
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004239 elem->next_page.addr.hi =
4240 cpu_to_le32(U64_HI(bp->eq_mapping +
4241 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4242 elem->next_page.addr.lo =
4243 cpu_to_le32(U64_LO(bp->eq_mapping +
4244 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004245 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004246 bp->eq_cons = 0;
4247 bp->eq_prod = NUM_EQ_DESC;
4248 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004249 /* we want a warning message before it gets rought... */
4250 atomic_set(&bp->eq_spq_left,
4251 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004252}
4253
Tom Herbertab532cf2011-02-16 10:27:02 +00004254void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004255{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004256 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004257 int i;
4258
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004259 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004260 return;
4261
4262 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004263 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004264 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004265 bp->fp->cl_id + bp->rx_indir_table[i]);
4266}
4267
4268static void bnx2x_init_ind_table(struct bnx2x *bp)
4269{
4270 int i;
4271
4272 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4273 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4274
4275 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004276}
4277
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004278void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004280 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004281 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004282 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004283 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004284
Eilon Greenstein581ce432009-07-29 00:20:04 +00004285 /* All but management unicast packets should pass to the host as well */
4286 u32 llh_mask =
4287 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4288 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4289 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4290 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004291
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004292 switch (mode) {
4293 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004294 def_q_filters = BNX2X_ACCEPT_NONE;
4295#ifdef BCM_CNIC
4296 if (!NO_FCOE(bp)) {
4297 cl_id = bnx2x_fcoe(bp, cl_id);
4298 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4299 }
4300#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004301 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004302
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004303 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004304 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4305 BNX2X_ACCEPT_MULTICAST;
4306#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004307 if (!NO_FCOE(bp)) {
4308 cl_id = bnx2x_fcoe(bp, cl_id);
4309 bnx2x_rxq_set_mac_filters(bp, cl_id,
4310 BNX2X_ACCEPT_UNICAST |
4311 BNX2X_ACCEPT_MULTICAST);
4312 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004313#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004314 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004315
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004316 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004317 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4318 BNX2X_ACCEPT_ALL_MULTICAST;
4319#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004320 /*
4321 * Prevent duplication of multicast packets by configuring FCoE
4322 * L2 Client to receive only matched unicast frames.
4323 */
4324 if (!NO_FCOE(bp)) {
4325 cl_id = bnx2x_fcoe(bp, cl_id);
4326 bnx2x_rxq_set_mac_filters(bp, cl_id,
4327 BNX2X_ACCEPT_UNICAST);
4328 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004329#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004330 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004331
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004332 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004333 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4334#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004335 /*
4336 * Prevent packets duplication by configuring DROP_ALL for FCoE
4337 * L2 Client.
4338 */
4339 if (!NO_FCOE(bp)) {
4340 cl_id = bnx2x_fcoe(bp, cl_id);
4341 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4342 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004343#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004344 /* pass management unicast packets as well */
4345 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004346 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004347
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004348 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004349 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4350 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004351 }
4352
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004353 cl_id = BP_L_ID(bp);
4354 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4355
Eilon Greenstein581ce432009-07-29 00:20:04 +00004356 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004357 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4358 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004359
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004360 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4361 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004362 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4363 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004364 bp->mac_filters.ucast_drop_all,
4365 bp->mac_filters.mcast_drop_all,
4366 bp->mac_filters.bcast_drop_all,
4367 bp->mac_filters.ucast_accept_all,
4368 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004369 bp->mac_filters.bcast_accept_all,
4370 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004371 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004372
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004373 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004374}
4375
Eilon Greenstein471de712008-08-13 15:49:35 -07004376static void bnx2x_init_internal_common(struct bnx2x *bp)
4377{
4378 int i;
4379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004380 if (!CHIP_IS_E1(bp)) {
4381
4382 /* xstorm needs to know whether to add ovlan to packets or not,
4383 * in switch-independent we'll write 0 to here... */
4384 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004385 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004386 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004387 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004388 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004389 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004390 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004391 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004392 }
4393
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004394 if (IS_MF_SI(bp))
4395 /*
4396 * In switch independent mode, the TSTORM needs to accept
4397 * packets that failed classification, since approximate match
4398 * mac addresses aren't written to NIG LLH
4399 */
4400 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4401 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4402
Eilon Greenstein471de712008-08-13 15:49:35 -07004403 /* Zero this manually as its initialization is
4404 currently missing in the initTool */
4405 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4406 REG_WR(bp, BAR_USTRORM_INTMEM +
4407 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004408 if (CHIP_IS_E2(bp)) {
4409 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4410 CHIP_INT_MODE_IS_BC(bp) ?
4411 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4412 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004413}
4414
4415static void bnx2x_init_internal_port(struct bnx2x *bp)
4416{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004417 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004418 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004419}
4420
Eilon Greenstein471de712008-08-13 15:49:35 -07004421static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4422{
4423 switch (load_code) {
4424 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004425 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004426 bnx2x_init_internal_common(bp);
4427 /* no break */
4428
4429 case FW_MSG_CODE_DRV_LOAD_PORT:
4430 bnx2x_init_internal_port(bp);
4431 /* no break */
4432
4433 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004434 /* internal memory per function is
4435 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004436 break;
4437
4438 default:
4439 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4440 break;
4441 }
4442}
4443
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004444static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4445{
4446 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4447
4448 fp->state = BNX2X_FP_STATE_CLOSED;
4449
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004450 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004451 fp->cl_id = BP_L_ID(bp) + fp_idx;
4452 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4453 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4454 /* qZone id equals to FW (per path) client id */
4455 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004456 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4457 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004458 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004459 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4460 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004461 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4462 /* Setup SB indicies */
4463 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4464 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4465
4466 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4467 "cl_id %d fw_sb %d igu_sb %d\n",
4468 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4469 fp->igu_sb_id);
4470 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4471 fp->fw_sb_id, fp->igu_sb_id);
4472
4473 bnx2x_update_fpsb_idx(fp);
4474}
4475
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004476void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004477{
4478 int i;
4479
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004480 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004481 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004482#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004483 if (!NO_FCOE(bp))
4484 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004485
4486 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4487 BNX2X_VF_ID_INVALID, false,
4488 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4489
Michael Chan37b091b2009-10-10 13:46:55 +00004490#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004491
Eilon Greenstein16119782009-03-02 07:59:27 +00004492 /* ensure status block indices were read */
4493 rmb();
4494
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004495 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004496 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004497 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004498 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004499 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004500 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004501 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004502 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004503 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004504 bnx2x_stats_init(bp);
4505
4506 /* At this point, we are ready for interrupts */
4507 atomic_set(&bp->intr_sem, 0);
4508
4509 /* flush all before enabling interrupts */
4510 mb();
4511 mmiowb();
4512
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004513 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004514
4515 /* Check for SPIO5 */
4516 bnx2x_attn_int_deasserted0(bp,
4517 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4518 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004519}
4520
4521/* end of nic init */
4522
4523/*
4524 * gzip service functions
4525 */
4526
4527static int bnx2x_gunzip_init(struct bnx2x *bp)
4528{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004529 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4530 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004531 if (bp->gunzip_buf == NULL)
4532 goto gunzip_nomem1;
4533
4534 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4535 if (bp->strm == NULL)
4536 goto gunzip_nomem2;
4537
4538 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4539 GFP_KERNEL);
4540 if (bp->strm->workspace == NULL)
4541 goto gunzip_nomem3;
4542
4543 return 0;
4544
4545gunzip_nomem3:
4546 kfree(bp->strm);
4547 bp->strm = NULL;
4548
4549gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004550 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4551 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004552 bp->gunzip_buf = NULL;
4553
4554gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004555 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4556 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004557 return -ENOMEM;
4558}
4559
4560static void bnx2x_gunzip_end(struct bnx2x *bp)
4561{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004562 if (bp->strm) {
4563 kfree(bp->strm->workspace);
4564 kfree(bp->strm);
4565 bp->strm = NULL;
4566 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004567
4568 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004569 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4570 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004571 bp->gunzip_buf = NULL;
4572 }
4573}
4574
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004575static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004576{
4577 int n, rc;
4578
4579 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004580 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4581 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004582 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004583 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004584
4585 n = 10;
4586
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004587#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004588
4589 if (zbuf[3] & FNAME)
4590 while ((zbuf[n++] != 0) && (n < len));
4591
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004592 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004593 bp->strm->avail_in = len - n;
4594 bp->strm->next_out = bp->gunzip_buf;
4595 bp->strm->avail_out = FW_BUF_SIZE;
4596
4597 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4598 if (rc != Z_OK)
4599 return rc;
4600
4601 rc = zlib_inflate(bp->strm, Z_FINISH);
4602 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004603 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4604 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004605
4606 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4607 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004608 netdev_err(bp->dev, "Firmware decompression error:"
4609 " gunzip_outlen (%d) not aligned\n",
4610 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004611 bp->gunzip_outlen >>= 2;
4612
4613 zlib_inflateEnd(bp->strm);
4614
4615 if (rc == Z_STREAM_END)
4616 return 0;
4617
4618 return rc;
4619}
4620
4621/* nic load/unload */
4622
4623/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004624 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004625 */
4626
4627/* send a NIG loopback debug packet */
4628static void bnx2x_lb_pckt(struct bnx2x *bp)
4629{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004630 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004631
4632 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004633 wb_write[0] = 0x55555555;
4634 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004635 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004636 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004637
4638 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004639 wb_write[0] = 0x09000000;
4640 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004641 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004642 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004643}
4644
4645/* some of the internal memories
4646 * are not directly readable from the driver
4647 * to test them we send debug packets
4648 */
4649static int bnx2x_int_mem_test(struct bnx2x *bp)
4650{
4651 int factor;
4652 int count, i;
4653 u32 val = 0;
4654
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004655 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004656 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004657 else if (CHIP_REV_IS_EMUL(bp))
4658 factor = 200;
4659 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004660 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004661
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004662 /* Disable inputs of parser neighbor blocks */
4663 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4664 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4665 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004666 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004667
4668 /* Write 0 to parser credits for CFC search request */
4669 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4670
4671 /* send Ethernet packet */
4672 bnx2x_lb_pckt(bp);
4673
4674 /* TODO do i reset NIG statistic? */
4675 /* Wait until NIG register shows 1 packet of size 0x10 */
4676 count = 1000 * factor;
4677 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004678
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004679 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4680 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004681 if (val == 0x10)
4682 break;
4683
4684 msleep(10);
4685 count--;
4686 }
4687 if (val != 0x10) {
4688 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4689 return -1;
4690 }
4691
4692 /* Wait until PRS register shows 1 packet */
4693 count = 1000 * factor;
4694 while (count) {
4695 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004696 if (val == 1)
4697 break;
4698
4699 msleep(10);
4700 count--;
4701 }
4702 if (val != 0x1) {
4703 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4704 return -2;
4705 }
4706
4707 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004708 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004709 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004710 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004711 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004712 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4713 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004714
4715 DP(NETIF_MSG_HW, "part2\n");
4716
4717 /* Disable inputs of parser neighbor blocks */
4718 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4719 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4720 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004721 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004722
4723 /* Write 0 to parser credits for CFC search request */
4724 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4725
4726 /* send 10 Ethernet packets */
4727 for (i = 0; i < 10; i++)
4728 bnx2x_lb_pckt(bp);
4729
4730 /* Wait until NIG register shows 10 + 1
4731 packets of size 11*0x10 = 0xb0 */
4732 count = 1000 * factor;
4733 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004734
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004735 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4736 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004737 if (val == 0xb0)
4738 break;
4739
4740 msleep(10);
4741 count--;
4742 }
4743 if (val != 0xb0) {
4744 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4745 return -3;
4746 }
4747
4748 /* Wait until PRS register shows 2 packets */
4749 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4750 if (val != 2)
4751 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4752
4753 /* Write 1 to parser credits for CFC search request */
4754 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4755
4756 /* Wait until PRS register shows 3 packets */
4757 msleep(10 * factor);
4758 /* Wait until NIG register shows 1 packet of size 0x10 */
4759 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4760 if (val != 3)
4761 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4762
4763 /* clear NIG EOP FIFO */
4764 for (i = 0; i < 11; i++)
4765 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4766 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4767 if (val != 1) {
4768 BNX2X_ERR("clear of NIG failed\n");
4769 return -4;
4770 }
4771
4772 /* Reset and init BRB, PRS, NIG */
4773 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4774 msleep(50);
4775 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4776 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004777 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4778 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004779#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004780 /* set NIC mode */
4781 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4782#endif
4783
4784 /* Enable inputs of parser neighbor blocks */
4785 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4786 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4787 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004788 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004789
4790 DP(NETIF_MSG_HW, "done\n");
4791
4792 return 0; /* OK */
4793}
4794
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004795static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004796{
4797 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004798 if (CHIP_IS_E2(bp))
4799 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4800 else
4801 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004802 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4803 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004804 /*
4805 * mask read length error interrupts in brb for parser
4806 * (parsing unit and 'checksum and crc' unit)
4807 * these errors are legal (PU reads fixed length and CAC can cause
4808 * read length error on truncated packets)
4809 */
4810 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004811 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4812 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4813 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4814 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4815 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004816/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4817/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004818 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4819 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4820 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004821/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4822/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004823 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4824 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4825 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4826 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004827/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4828/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004829
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004830 if (CHIP_REV_IS_FPGA(bp))
4831 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004832 else if (CHIP_IS_E2(bp))
4833 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4834 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4835 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4836 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4837 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4838 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004839 else
4840 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004841 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4842 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4843 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004844/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4845/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004846 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4847 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004848/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004849 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004850}
4851
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004852static void bnx2x_reset_common(struct bnx2x *bp)
4853{
4854 /* reset_common */
4855 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4856 0xd3ffff7f);
4857 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4858}
4859
Eilon Greenstein573f2032009-08-12 08:24:14 +00004860static void bnx2x_init_pxp(struct bnx2x *bp)
4861{
4862 u16 devctl;
4863 int r_order, w_order;
4864
4865 pci_read_config_word(bp->pdev,
4866 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4867 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4868 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4869 if (bp->mrrs == -1)
4870 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4871 else {
4872 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4873 r_order = bp->mrrs;
4874 }
4875
4876 bnx2x_init_pxp_arb(bp, r_order, w_order);
4877}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004878
4879static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4880{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004881 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004882 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004883 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004884
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004885 if (BP_NOMCP(bp))
4886 return;
4887
4888 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004889 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4890 SHARED_HW_CFG_FAN_FAILURE_MASK;
4891
4892 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4893 is_required = 1;
4894
4895 /*
4896 * The fan failure mechanism is usually related to the PHY type since
4897 * the power consumption of the board is affected by the PHY. Currently,
4898 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4899 */
4900 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4901 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004902 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004903 bnx2x_fan_failure_det_req(
4904 bp,
4905 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004906 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004907 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004908 }
4909
4910 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4911
4912 if (is_required == 0)
4913 return;
4914
4915 /* Fan failure is indicated by SPIO 5 */
4916 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4917 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4918
4919 /* set to active low mode */
4920 val = REG_RD(bp, MISC_REG_SPIO_INT);
4921 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004922 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004923 REG_WR(bp, MISC_REG_SPIO_INT, val);
4924
4925 /* enable interrupt to signal the IGU */
4926 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4927 val |= (1 << MISC_REGISTERS_SPIO_5);
4928 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4929}
4930
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004931static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4932{
4933 u32 offset = 0;
4934
4935 if (CHIP_IS_E1(bp))
4936 return;
4937 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4938 return;
4939
4940 switch (BP_ABS_FUNC(bp)) {
4941 case 0:
4942 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4943 break;
4944 case 1:
4945 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4946 break;
4947 case 2:
4948 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4949 break;
4950 case 3:
4951 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4952 break;
4953 case 4:
4954 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4955 break;
4956 case 5:
4957 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4958 break;
4959 case 6:
4960 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4961 break;
4962 case 7:
4963 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4964 break;
4965 default:
4966 return;
4967 }
4968
4969 REG_WR(bp, offset, pretend_func_num);
4970 REG_RD(bp, offset);
4971 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4972}
4973
4974static void bnx2x_pf_disable(struct bnx2x *bp)
4975{
4976 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4977 val &= ~IGU_PF_CONF_FUNC_EN;
4978
4979 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4980 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4981 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4982}
4983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004984static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004985{
4986 u32 val, i;
4987
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004988 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004989
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004990 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004991 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4992 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4993
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004994 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004995 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004996 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004997
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004998 if (CHIP_IS_E2(bp)) {
4999 u8 fid;
5000
5001 /**
5002 * 4-port mode or 2-port mode we need to turn of master-enable
5003 * for everyone, after that, turn it back on for self.
5004 * so, we disregard multi-function or not, and always disable
5005 * for all functions on the given path, this means 0,2,4,6 for
5006 * path 0 and 1,3,5,7 for path 1
5007 */
5008 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5009 if (fid == BP_ABS_FUNC(bp)) {
5010 REG_WR(bp,
5011 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5012 1);
5013 continue;
5014 }
5015
5016 bnx2x_pretend_func(bp, fid);
5017 /* clear pf enable */
5018 bnx2x_pf_disable(bp);
5019 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5020 }
5021 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005022
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005023 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005024 if (CHIP_IS_E1(bp)) {
5025 /* enable HW interrupt from PXP on USDM overflow
5026 bit 16 on INT_MASK_0 */
5027 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005028 }
5029
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005030 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005031 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005032
5033#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005034 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5035 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5036 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5037 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5038 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005039 /* make sure this value is 0 */
5040 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005041
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005042/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5043 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5044 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5045 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5046 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005047#endif
5048
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005049 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5050
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005051 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5052 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005053
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005054 /* let the HW do it's magic ... */
5055 msleep(100);
5056 /* finish PXP init */
5057 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5058 if (val != 1) {
5059 BNX2X_ERR("PXP2 CFG failed\n");
5060 return -EBUSY;
5061 }
5062 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5063 if (val != 1) {
5064 BNX2X_ERR("PXP2 RD_INIT failed\n");
5065 return -EBUSY;
5066 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005067
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005068 /* Timers bug workaround E2 only. We need to set the entire ILT to
5069 * have entries with value "0" and valid bit on.
5070 * This needs to be done by the first PF that is loaded in a path
5071 * (i.e. common phase)
5072 */
5073 if (CHIP_IS_E2(bp)) {
5074 struct ilt_client_info ilt_cli;
5075 struct bnx2x_ilt ilt;
5076 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5077 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5078
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005079 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005080 ilt_cli.start = 0;
5081 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5082 ilt_cli.client_num = ILT_CLIENT_TM;
5083
5084 /* Step 1: set zeroes to all ilt page entries with valid bit on
5085 * Step 2: set the timers first/last ilt entry to point
5086 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005087 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005088 *
5089 * both steps performed by call to bnx2x_ilt_client_init_op()
5090 * with dummy TM client
5091 *
5092 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5093 * and his brother are split registers
5094 */
5095 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5096 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5097 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5098
5099 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5100 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5101 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5102 }
5103
5104
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005105 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5106 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005107
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005108 if (CHIP_IS_E2(bp)) {
5109 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5110 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5111 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5112
5113 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5114
5115 /* let the HW do it's magic ... */
5116 do {
5117 msleep(200);
5118 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5119 } while (factor-- && (val != 1));
5120
5121 if (val != 1) {
5122 BNX2X_ERR("ATC_INIT failed\n");
5123 return -EBUSY;
5124 }
5125 }
5126
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005127 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005128
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005129 /* clean the DMAE memory */
5130 bp->dmae_ready = 1;
5131 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005132
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005133 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5134 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5135 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5136 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005137
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005138 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5139 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5140 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5141 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5142
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005143 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005144
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005145 if (CHIP_MODE_IS_4_PORT(bp))
5146 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005147
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005148 /* QM queues pointers table */
5149 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005150
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005151 /* soft reset pulse */
5152 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5153 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005154
Michael Chan37b091b2009-10-10 13:46:55 +00005155#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005156 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005157#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005158
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005159 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005160 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5161
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005162 if (!CHIP_REV_IS_SLOW(bp)) {
5163 /* enable hw interrupt from doorbell Q */
5164 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5165 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005167 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005168 if (CHIP_MODE_IS_4_PORT(bp)) {
5169 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5170 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5171 }
5172
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005173 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005174 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005175#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005176 /* set NIC mode */
5177 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005178#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005179 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005180 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005181
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005182 if (CHIP_IS_E2(bp)) {
5183 /* Bit-map indicating which L2 hdrs may appear after the
5184 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005185 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005186 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5187 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5188 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005189
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005190 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5191 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5192 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5193 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005194
Eilon Greensteinca003922009-08-12 22:53:28 -07005195 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5196 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5197 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5198 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005199
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005200 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5201 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5202 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5203 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005204
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005205 if (CHIP_MODE_IS_4_PORT(bp))
5206 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5207
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005208 /* sync semi rtc */
5209 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5210 0x80000000);
5211 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5212 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005213
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005214 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5215 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5216 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005217
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005218 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005219 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005220 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5221 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5222 }
5223
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005224 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005225 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5226 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005227
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005228 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005229#ifdef BCM_CNIC
5230 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5231 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5232 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5233 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5234 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5235 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5236 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5237 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5238 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5239 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5240#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005241 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005242
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005243 if (sizeof(union cdu_context) != 1024)
5244 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005245 dev_alert(&bp->pdev->dev, "please adjust the size "
5246 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005247 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005248
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005249 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005250 val = (4 << 24) + (0 << 12) + 1024;
5251 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005252
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005253 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005254 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005255 /* enable context validation interrupt from CFC */
5256 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5257
5258 /* set the thresholds to prevent CFC/CDU race */
5259 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005260
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005261 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005262
5263 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5264 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5265
5266 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005267 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005268
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005269 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005270 /* Reset PCIE errors for debug */
5271 REG_WR(bp, 0x2814, 0xffffffff);
5272 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005273
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005274 if (CHIP_IS_E2(bp)) {
5275 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5276 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5277 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5278 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5279 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5280 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5281 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5282 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5283 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5284 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5285 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5286 }
5287
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005288 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005289 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005290 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005291 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005292
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005293 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005294 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005295 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005296 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005297 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005298 if (CHIP_IS_E2(bp)) {
5299 /* Bit-map indicating which L2 hdrs may appear after the
5300 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005301 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005302 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005303
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005304 if (CHIP_REV_IS_SLOW(bp))
5305 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005306
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005307 /* finish CFC init */
5308 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5309 if (val != 1) {
5310 BNX2X_ERR("CFC LL_INIT failed\n");
5311 return -EBUSY;
5312 }
5313 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5314 if (val != 1) {
5315 BNX2X_ERR("CFC AC_INIT failed\n");
5316 return -EBUSY;
5317 }
5318 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5319 if (val != 1) {
5320 BNX2X_ERR("CFC CAM_INIT failed\n");
5321 return -EBUSY;
5322 }
5323 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005324
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005325 if (CHIP_IS_E1(bp)) {
5326 /* read NIG statistic
5327 to see if this is our first up since powerup */
5328 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5329 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005330
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005331 /* do internal memory self test */
5332 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5333 BNX2X_ERR("internal mem self test failed\n");
5334 return -EBUSY;
5335 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005336 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005337
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005338 bnx2x_setup_fan_failure_detection(bp);
5339
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005340 /* clear PXP2 attentions */
5341 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005342
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005343 bnx2x_enable_blocks_attention(bp);
5344 if (CHIP_PARITY_ENABLED(bp))
5345 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005346
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005347 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005348 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5349 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5350 CHIP_IS_E1x(bp)) {
5351 u32 shmem_base[2], shmem2_base[2];
5352 shmem_base[0] = bp->common.shmem_base;
5353 shmem2_base[0] = bp->common.shmem2_base;
5354 if (CHIP_IS_E2(bp)) {
5355 shmem_base[1] =
5356 SHMEM2_RD(bp, other_shmem_base_addr);
5357 shmem2_base[1] =
5358 SHMEM2_RD(bp, other_shmem2_base_addr);
5359 }
5360 bnx2x_acquire_phy_lock(bp);
5361 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5362 bp->common.chip_id);
5363 bnx2x_release_phy_lock(bp);
5364 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005365 } else
5366 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5367
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005368 return 0;
5369}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005370
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005371static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005372{
5373 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005374 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005375 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005376 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005377
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005378 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005379
5380 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005381
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005382 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005383 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005384
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005385 /* Timers bug workaround: disables the pf_master bit in pglue at
5386 * common phase, we need to enable it here before any dmae access are
5387 * attempted. Therefore we manually added the enable-master to the
5388 * port phase (it also happens in the function phase)
5389 */
5390 if (CHIP_IS_E2(bp))
5391 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5392
Eilon Greensteinca003922009-08-12 22:53:28 -07005393 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5394 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5395 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005396 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005397
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005398 /* QM cid (connection) count */
5399 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005400
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005401#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005402 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005403 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5404 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005405#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005406
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005407 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005408
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005409 if (CHIP_MODE_IS_4_PORT(bp))
5410 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005411
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005412 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5413 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5414 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5415 /* no pause for emulation and FPGA */
5416 low = 0;
5417 high = 513;
5418 } else {
5419 if (IS_MF(bp))
5420 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5421 else if (bp->dev->mtu > 4096) {
5422 if (bp->flags & ONE_PORT_FLAG)
5423 low = 160;
5424 else {
5425 val = bp->dev->mtu;
5426 /* (24*1024 + val*4)/256 */
5427 low = 96 + (val/64) +
5428 ((val % 64) ? 1 : 0);
5429 }
5430 } else
5431 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5432 high = low + 56; /* 14*1024/256 */
5433 }
5434 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5435 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5436 }
5437
5438 if (CHIP_MODE_IS_4_PORT(bp)) {
5439 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5440 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5441 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5442 BRB1_REG_MAC_GUARANTIED_0), 40);
5443 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005444
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005445 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005446
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005447 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005448 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005449 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005450 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005451
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005452 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5453 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5454 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5455 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005456 if (CHIP_MODE_IS_4_PORT(bp))
5457 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005458
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005459 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005460 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005461
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005462 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005463
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005464 if (!CHIP_IS_E2(bp)) {
5465 /* configure PBF to work without PAUSE mtu 9000 */
5466 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005467
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005468 /* update threshold */
5469 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5470 /* update init credit */
5471 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005472
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005473 /* probe changes */
5474 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5475 udelay(50);
5476 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5477 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005478
Michael Chan37b091b2009-10-10 13:46:55 +00005479#ifdef BCM_CNIC
5480 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005481#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005482 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005483 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005484
5485 if (CHIP_IS_E1(bp)) {
5486 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5487 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5488 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005489 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005490
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005491 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5492
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005493 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005494 /* init aeu_mask_attn_func_0/1:
5495 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5496 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5497 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005498 val = IS_MF(bp) ? 0xF7 : 0x7;
5499 /* Enable DCBX attention for all but E1 */
5500 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5501 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005502
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005503 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005504 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005505 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005506 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005507 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005508
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005509 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005510
5511 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5512
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005513 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005514 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005515 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005516 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005517
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005518 if (CHIP_IS_E2(bp)) {
5519 val = 0;
5520 switch (bp->mf_mode) {
5521 case MULTI_FUNCTION_SD:
5522 val = 1;
5523 break;
5524 case MULTI_FUNCTION_SI:
5525 val = 2;
5526 break;
5527 }
5528
5529 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5530 NIG_REG_LLH0_CLS_TYPE), val);
5531 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005532 {
5533 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5534 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5535 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5536 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005537 }
5538
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005539 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005540 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005541 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005542 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005543 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5544 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5545 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005546 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005547 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005548 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005549 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005550
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005551 return 0;
5552}
5553
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005554static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5555{
5556 int reg;
5557
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005558 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005559 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005560 else
5561 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005562
5563 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5564}
5565
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005566static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5567{
5568 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5569}
5570
5571static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5572{
5573 u32 i, base = FUNC_ILT_BASE(func);
5574 for (i = base; i < base + ILT_PER_FUNC; i++)
5575 bnx2x_ilt_wr(bp, i, 0);
5576}
5577
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005578static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005579{
5580 int port = BP_PORT(bp);
5581 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005582 struct bnx2x_ilt *ilt = BP_ILT(bp);
5583 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005584 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005585 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5586 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005587
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005588 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005589
Eilon Greenstein8badd272009-02-12 08:36:15 +00005590 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005591 if (bp->common.int_block == INT_BLOCK_HC) {
5592 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5593 val = REG_RD(bp, addr);
5594 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5595 REG_WR(bp, addr, val);
5596 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005597
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005598 ilt = BP_ILT(bp);
5599 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005600
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005601 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5602 ilt->lines[cdu_ilt_start + i].page =
5603 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5604 ilt->lines[cdu_ilt_start + i].page_mapping =
5605 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5606 /* cdu ilt pages are allocated manually so there's no need to
5607 set the size */
5608 }
5609 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005610
Michael Chan37b091b2009-10-10 13:46:55 +00005611#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005612 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005613
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005614 /* T1 hash bits value determines the T1 number of entries */
5615 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005616#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005617
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005618#ifndef BCM_CNIC
5619 /* set NIC mode */
5620 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5621#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005622
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005623 if (CHIP_IS_E2(bp)) {
5624 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5625
5626 /* Turn on a single ISR mode in IGU if driver is going to use
5627 * INT#x or MSI
5628 */
5629 if (!(bp->flags & USING_MSIX_FLAG))
5630 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5631 /*
5632 * Timers workaround bug: function init part.
5633 * Need to wait 20msec after initializing ILT,
5634 * needed to make sure there are no requests in
5635 * one of the PXP internal queues with "old" ILT addresses
5636 */
5637 msleep(20);
5638 /*
5639 * Master enable - Due to WB DMAE writes performed before this
5640 * register is re-initialized as part of the regular function
5641 * init
5642 */
5643 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5644 /* Enable the function in IGU */
5645 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5646 }
5647
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005648 bp->dmae_ready = 1;
5649
5650 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5651
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005652 if (CHIP_IS_E2(bp))
5653 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5654
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005655 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5656 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5657 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5658 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5659 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5660 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5661 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5662 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5663 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005665 if (CHIP_IS_E2(bp)) {
5666 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5667 BP_PATH(bp));
5668 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5669 BP_PATH(bp));
5670 }
5671
5672 if (CHIP_MODE_IS_4_PORT(bp))
5673 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5674
5675 if (CHIP_IS_E2(bp))
5676 REG_WR(bp, QM_REG_PF_EN, 1);
5677
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005678 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005679
5680 if (CHIP_MODE_IS_4_PORT(bp))
5681 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5682
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005683 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5684 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5685 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5686 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5687 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5688 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5689 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5690 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5691 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5692 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5693 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005694 if (CHIP_IS_E2(bp))
5695 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5696
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005697 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5698
5699 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5700
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005701 if (CHIP_IS_E2(bp))
5702 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5703
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005704 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005705 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005706 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005707 }
5708
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005709 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5710
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005711 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005712 if (bp->common.int_block == INT_BLOCK_HC) {
5713 if (CHIP_IS_E1H(bp)) {
5714 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5715
5716 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5717 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5718 }
5719 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5720
5721 } else {
5722 int num_segs, sb_idx, prod_offset;
5723
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005724 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5725
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005726 if (CHIP_IS_E2(bp)) {
5727 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5728 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5729 }
5730
5731 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5732
5733 if (CHIP_IS_E2(bp)) {
5734 int dsb_idx = 0;
5735 /**
5736 * Producer memory:
5737 * E2 mode: address 0-135 match to the mapping memory;
5738 * 136 - PF0 default prod; 137 - PF1 default prod;
5739 * 138 - PF2 default prod; 139 - PF3 default prod;
5740 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5741 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5742 * 144-147 reserved.
5743 *
5744 * E1.5 mode - In backward compatible mode;
5745 * for non default SB; each even line in the memory
5746 * holds the U producer and each odd line hold
5747 * the C producer. The first 128 producers are for
5748 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5749 * producers are for the DSB for each PF.
5750 * Each PF has five segments: (the order inside each
5751 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5752 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5753 * 144-147 attn prods;
5754 */
5755 /* non-default-status-blocks */
5756 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5757 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5758 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5759 prod_offset = (bp->igu_base_sb + sb_idx) *
5760 num_segs;
5761
5762 for (i = 0; i < num_segs; i++) {
5763 addr = IGU_REG_PROD_CONS_MEMORY +
5764 (prod_offset + i) * 4;
5765 REG_WR(bp, addr, 0);
5766 }
5767 /* send consumer update with value 0 */
5768 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5769 USTORM_ID, 0, IGU_INT_NOP, 1);
5770 bnx2x_igu_clear_sb(bp,
5771 bp->igu_base_sb + sb_idx);
5772 }
5773
5774 /* default-status-blocks */
5775 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5776 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5777
5778 if (CHIP_MODE_IS_4_PORT(bp))
5779 dsb_idx = BP_FUNC(bp);
5780 else
5781 dsb_idx = BP_E1HVN(bp);
5782
5783 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5784 IGU_BC_BASE_DSB_PROD + dsb_idx :
5785 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5786
5787 for (i = 0; i < (num_segs * E1HVN_MAX);
5788 i += E1HVN_MAX) {
5789 addr = IGU_REG_PROD_CONS_MEMORY +
5790 (prod_offset + i)*4;
5791 REG_WR(bp, addr, 0);
5792 }
5793 /* send consumer update with 0 */
5794 if (CHIP_INT_MODE_IS_BC(bp)) {
5795 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5796 USTORM_ID, 0, IGU_INT_NOP, 1);
5797 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5798 CSTORM_ID, 0, IGU_INT_NOP, 1);
5799 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5800 XSTORM_ID, 0, IGU_INT_NOP, 1);
5801 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5802 TSTORM_ID, 0, IGU_INT_NOP, 1);
5803 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5804 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5805 } else {
5806 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5807 USTORM_ID, 0, IGU_INT_NOP, 1);
5808 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5809 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5810 }
5811 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5812
5813 /* !!! these should become driver const once
5814 rf-tool supports split-68 const */
5815 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5816 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5817 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5818 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5819 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5820 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5821 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005822 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005823
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005824 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005825 REG_WR(bp, 0x2114, 0xffffffff);
5826 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005827
5828 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5829 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5830 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5831 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5832 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5833 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5834
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005835 if (CHIP_IS_E1x(bp)) {
5836 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5837 main_mem_base = HC_REG_MAIN_MEMORY +
5838 BP_PORT(bp) * (main_mem_size * 4);
5839 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5840 main_mem_width = 8;
5841
5842 val = REG_RD(bp, main_mem_prty_clr);
5843 if (val)
5844 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5845 "block during "
5846 "function init (0x%x)!\n", val);
5847
5848 /* Clear "false" parity errors in MSI-X table */
5849 for (i = main_mem_base;
5850 i < main_mem_base + main_mem_size * 4;
5851 i += main_mem_width) {
5852 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5853 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5854 i, main_mem_width / 4);
5855 }
5856 /* Clear HC parity attention */
5857 REG_RD(bp, main_mem_prty_clr);
5858 }
5859
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005860 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005861
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005862 return 0;
5863}
5864
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005865int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005866{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005867 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005868
5869 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005870 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005871
5872 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005873 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005874
5875 switch (load_code) {
5876 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005877 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005878 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005879 if (rc)
5880 goto init_hw_err;
5881 /* no break */
5882
5883 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005884 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005885 if (rc)
5886 goto init_hw_err;
5887 /* no break */
5888
5889 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005890 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005891 if (rc)
5892 goto init_hw_err;
5893 break;
5894
5895 default:
5896 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5897 break;
5898 }
5899
5900 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005901 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005902
5903 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005904 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005905 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005906 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5907 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005908
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005909init_hw_err:
5910 bnx2x_gunzip_end(bp);
5911
5912 return rc;
5913}
5914
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005915void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005916{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005917 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005918
5919 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005920 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005921 /* end of fastpath */
5922
5923 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005924 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005925
5926 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005927 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005928
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005929 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5930 bp->context.size);
5931
5932 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5933
5934 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005935
Michael Chan37b091b2009-10-10 13:46:55 +00005936#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005937 if (CHIP_IS_E2(bp))
5938 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5939 sizeof(struct host_hc_status_block_e2));
5940 else
5941 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5942 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005943
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005944 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005945#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005946
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005947 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005948
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005949 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5950 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5951
Tom Herbertab532cf2011-02-16 10:27:02 +00005952 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005953}
5954
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005955
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005956int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005957{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005958 if (bnx2x_gunzip_init(bp))
5959 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005960
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005961#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005962 if (CHIP_IS_E2(bp))
5963 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5964 sizeof(struct host_hc_status_block_e2));
5965 else
5966 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5967 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005968
5969 /* allocate searcher T2 table */
5970 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5971#endif
5972
5973
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005975 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005976
5977 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5978 sizeof(struct bnx2x_slowpath));
5979
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005980 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005981
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005982 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5983 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005984
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005985 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005987 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5988 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005989
5990 /* Slow path ring */
5991 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5992
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005993 /* EQ */
5994 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5995 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00005996
5997 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
5998 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005999
6000 /* fastpath */
6001 /* need to be done at the end, since it's self adjusting to amount
6002 * of memory available for RSS queues
6003 */
6004 if (bnx2x_alloc_fp_mem(bp))
6005 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006006 return 0;
6007
6008alloc_mem_err:
6009 bnx2x_free_mem(bp);
6010 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006011}
6012
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006013/*
6014 * Init service functions
6015 */
stephen hemminger8d962862010-10-21 07:50:56 +00006016static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6017 int *state_p, int flags);
6018
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006019int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006021 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006023 /* Wait for completion */
6024 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6025 WAIT_RAMROD_COMMON);
6026}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006027
stephen hemminger8d962862010-10-21 07:50:56 +00006028static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006029{
6030 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006031
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006032 /* Wait for completion */
6033 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6034 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006035}
6036
Michael Chane665bfd2009-10-10 13:46:54 +00006037/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006038 * bnx2x_set_mac_addr_gen - set a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006039 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006040 * @bp: driver handle
6041 * @set: set or clear an entry (1 or 0)
6042 * @mac: pointer to a buffer containing a MAC
6043 * @cl_bit_vec: bit vector of clients to register a MAC for
6044 * @cam_offset: offset in a CAM to use
6045 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006046 */
Joe Perches215faf92010-12-21 02:16:10 -08006047static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006048 u32 cl_bit_vec, u8 cam_offset,
6049 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006050{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006051 struct mac_configuration_cmd *config =
6052 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6053 int ramrod_flags = WAIT_RAMROD_COMMON;
6054
6055 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006056
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006057 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006058 config->hdr.offset = cam_offset;
6059 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006060 /* Mark the single MAC configuration ramrod as opposed to a
6061 * UC/MC list configuration).
6062 */
6063 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006064
6065 /* primary MAC */
6066 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006067 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006068 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006069 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006070 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006071 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006072 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006073 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006074 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006075 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006076 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006077 SET_FLAG(config->config_table[0].flags,
6078 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6079 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006080 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006081 SET_FLAG(config->config_table[0].flags,
6082 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6083 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006084
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006085 if (is_bcast)
6086 SET_FLAG(config->config_table[0].flags,
6087 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6088
6089 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006090 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006091 config->config_table[0].msb_mac_addr,
6092 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006093 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006094
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006095 mb();
6096
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006097 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006098 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006099 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6100
6101 /* Wait for a completion */
6102 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006103}
6104
stephen hemminger8d962862010-10-21 07:50:56 +00006105static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6106 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107{
6108 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006109 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006110 u8 poll = flags & WAIT_RAMROD_POLL;
6111 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006112
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006113 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6114 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115
6116 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006117 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006118 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006119 if (common)
6120 bnx2x_eq_int(bp);
6121 else {
6122 bnx2x_rx_int(bp->fp, 10);
6123 /* if index is different from 0
6124 * the reply for some commands will
6125 * be on the non default queue
6126 */
6127 if (idx)
6128 bnx2x_rx_int(&bp->fp[idx], 10);
6129 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006130 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006131
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006132 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006133 if (*state_p == state) {
6134#ifdef BNX2X_STOP_ON_ERROR
6135 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6136#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006137 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006138 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006139
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006140 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006141
6142 if (bp->panic)
6143 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006144 }
6145
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006146 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006147 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6148 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006149#ifdef BNX2X_STOP_ON_ERROR
6150 bnx2x_panic();
6151#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006152
Eliezer Tamir49d66772008-02-28 11:53:13 -08006153 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006154}
6155
stephen hemminger8d962862010-10-21 07:50:56 +00006156static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006157{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006158 if (CHIP_IS_E1H(bp))
6159 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6160 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006161 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006162 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006163 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006164}
6165
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006166/**
6167 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6168 * relevant. In addition, current implementation is tuned for a
6169 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006170 */
6171enum {
6172 LLH_CAM_ISCSI_ETH_LINE = 0,
6173 LLH_CAM_ETH_LINE,
6174 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6175};
6176
6177static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6178 int set,
6179 unsigned char *dev_addr,
6180 int index)
6181{
6182 u32 wb_data[2];
6183 u32 mem_offset, ena_offset, mem_index;
6184 /**
6185 * indexes mapping:
6186 * 0..7 - goes to MEM
6187 * 8..15 - goes to MEM2
6188 */
6189
6190 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6191 return;
6192
6193 /* calculate memory start offset according to the mapping
6194 * and index in the memory */
6195 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6196 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6197 NIG_REG_LLH0_FUNC_MEM;
6198 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6199 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6200 mem_index = index;
6201 } else {
6202 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6203 NIG_REG_P0_LLH_FUNC_MEM2;
6204 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6205 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6206 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6207 }
6208
6209 if (set) {
6210 /* LLH_FUNC_MEM is a u64 WB register */
6211 mem_offset += 8*mem_index;
6212
6213 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6214 (dev_addr[4] << 8) | dev_addr[5]);
6215 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6216
6217 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6218 }
6219
6220 /* enable/disable the entry */
6221 REG_WR(bp, ena_offset + 4*mem_index, set);
6222
6223}
6224
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006225void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006226{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006227 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6228 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6229
6230 /* networking MAC */
6231 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6232 (1 << bp->fp->cl_id), cam_offset , 0);
6233
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006234 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6235
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006236 if (CHIP_IS_E1(bp)) {
6237 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006238 static const u8 bcast[ETH_ALEN] = {
6239 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6240 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006241 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6242 }
6243}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006244
6245static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6246{
6247 return CHIP_REV_IS_SLOW(bp) ?
6248 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6249 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6250}
6251
6252/* set mc list, do not wait as wait implies sleep and
6253 * set_rx_mode can be invoked from non-sleepable context.
6254 *
6255 * Instead we use the same ramrod data buffer each time we need
6256 * to configure a list of addresses, and use the fact that the
6257 * list of MACs is changed in an incremental way and that the
6258 * function is called under the netif_addr_lock. A temporary
6259 * inconsistent CAM configuration (possible in case of a very fast
6260 * sequence of add/del/add on the host side) will shortly be
6261 * restored by the handler of the last ramrod.
6262 */
6263static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006264{
6265 int i = 0, old;
6266 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006267 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006268 struct netdev_hw_addr *ha;
6269 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6270 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6271
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006272 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6273 return -EINVAL;
6274
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006275 netdev_for_each_mc_addr(ha, dev) {
6276 /* copy mac */
6277 config_cmd->config_table[i].msb_mac_addr =
6278 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6279 config_cmd->config_table[i].middle_mac_addr =
6280 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6281 config_cmd->config_table[i].lsb_mac_addr =
6282 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6283
6284 config_cmd->config_table[i].vlan_id = 0;
6285 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6286 config_cmd->config_table[i].clients_bit_vector =
6287 cpu_to_le32(1 << BP_L_ID(bp));
6288
6289 SET_FLAG(config_cmd->config_table[i].flags,
6290 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6291 T_ETH_MAC_COMMAND_SET);
6292
6293 DP(NETIF_MSG_IFUP,
6294 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6295 config_cmd->config_table[i].msb_mac_addr,
6296 config_cmd->config_table[i].middle_mac_addr,
6297 config_cmd->config_table[i].lsb_mac_addr);
6298 i++;
6299 }
6300 old = config_cmd->hdr.length;
6301 if (old > i) {
6302 for (; i < old; i++) {
6303 if (CAM_IS_INVALID(config_cmd->
6304 config_table[i])) {
6305 /* already invalidated */
6306 break;
6307 }
6308 /* invalidate */
6309 SET_FLAG(config_cmd->config_table[i].flags,
6310 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6311 T_ETH_MAC_COMMAND_INVALIDATE);
6312 }
6313 }
6314
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006315 wmb();
6316
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006317 config_cmd->hdr.length = i;
6318 config_cmd->hdr.offset = offset;
6319 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006320 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6321 * synchronization.
6322 */
6323 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006324
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006325 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006326
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006327 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006328 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6329}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006330
6331void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006332{
6333 int i;
6334 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6335 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6336 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006337 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006338
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006339 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006340 SET_FLAG(config_cmd->config_table[i].flags,
6341 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6342 T_ETH_MAC_COMMAND_INVALIDATE);
6343
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006344 wmb();
6345
6346 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6347 config_cmd->hdr.offset = offset;
6348 config_cmd->hdr.client_id = 0xff;
6349 /* We'll wait for a completion this time... */
6350 config_cmd->hdr.echo = 1;
6351
6352 bp->set_mac_pending = 1;
6353
6354 mb();
6355
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006356 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6357 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006358
6359 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006360 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6361 ramrod_flags);
6362
Michael Chane665bfd2009-10-10 13:46:54 +00006363}
6364
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006365/* Accept one or more multicasts */
6366static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6367{
6368 struct net_device *dev = bp->dev;
6369 struct netdev_hw_addr *ha;
6370 u32 mc_filter[MC_HASH_SIZE];
6371 u32 crc, bit, regidx;
6372 int i;
6373
6374 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6375
6376 netdev_for_each_mc_addr(ha, dev) {
6377 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6378 bnx2x_mc_addr(ha));
6379
6380 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6381 ETH_ALEN);
6382 bit = (crc >> 24) & 0xff;
6383 regidx = bit >> 5;
6384 bit &= 0x1f;
6385 mc_filter[regidx] |= (1 << bit);
6386 }
6387
6388 for (i = 0; i < MC_HASH_SIZE; i++)
6389 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6390 mc_filter[i]);
6391
6392 return 0;
6393}
6394
6395void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6396{
6397 int i;
6398
6399 for (i = 0; i < MC_HASH_SIZE; i++)
6400 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6401}
6402
Michael Chan993ac7b2009-10-10 13:46:56 +00006403#ifdef BCM_CNIC
6404/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006405 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006406 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006407 * @bp: driver handle
6408 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006409 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006410 * This function will wait until the ramdord completion returns.
6411 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006412 */
stephen hemminger8d962862010-10-21 07:50:56 +00006413static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006414{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006415 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6416 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006417 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6418 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006419 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006420 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006421
6422 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006423 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006424 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006425
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006426 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006427
6428 return 0;
6429}
6430
6431/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006432 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006433 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006434 * @bp: driver handle
6435 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006436 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006437 * This function will wait until the ramrod completion returns.
6438 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006439 */
6440int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6441{
6442 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6443 /**
6444 * CAM allocation for E1H
6445 * eth unicasts: by func number
6446 * iscsi: by func number
6447 * fip unicast: by func number
6448 * fip multicast: by func number
6449 */
6450 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6451 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6452
6453 return 0;
6454}
6455
6456int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6457{
6458 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6459
6460 /**
6461 * CAM allocation for E1H
6462 * eth unicasts: by func number
6463 * iscsi: by func number
6464 * fip unicast: by func number
6465 * fip multicast: by func number
6466 */
6467 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6468 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6469
Michael Chan993ac7b2009-10-10 13:46:56 +00006470 return 0;
6471}
6472#endif
6473
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006474static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6475 struct bnx2x_client_init_params *params,
6476 u8 activate,
6477 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006478{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006479 /* Clear the buffer */
6480 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006481
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006482 /* general */
6483 data->general.client_id = params->rxq_params.cl_id;
6484 data->general.statistics_counter_id = params->rxq_params.stat_id;
6485 data->general.statistics_en_flg =
6486 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006487 data->general.is_fcoe_flg =
6488 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006489 data->general.activate_flg = activate;
6490 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006491
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006492 /* Rx data */
6493 data->rx.tpa_en_flg =
6494 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6495 data->rx.vmqueue_mode_en_flg = 0;
6496 data->rx.cache_line_alignment_log_size =
6497 params->rxq_params.cache_line_log;
6498 data->rx.enable_dynamic_hc =
6499 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6500 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6501 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6502 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6503
6504 /* We don't set drop flags */
6505 data->rx.drop_ip_cs_err_flg = 0;
6506 data->rx.drop_tcp_cs_err_flg = 0;
6507 data->rx.drop_ttl0_flg = 0;
6508 data->rx.drop_udp_cs_err_flg = 0;
6509
6510 data->rx.inner_vlan_removal_enable_flg =
6511 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6512 data->rx.outer_vlan_removal_enable_flg =
6513 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6514 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6515 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6516 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6517 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6518 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6519 data->rx.bd_page_base.lo =
6520 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6521 data->rx.bd_page_base.hi =
6522 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6523 data->rx.sge_page_base.lo =
6524 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6525 data->rx.sge_page_base.hi =
6526 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6527 data->rx.cqe_page_base.lo =
6528 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6529 data->rx.cqe_page_base.hi =
6530 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6531 data->rx.is_leading_rss =
6532 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6533 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6534
6535 /* Tx data */
6536 data->tx.enforce_security_flg = 0; /* VF specific */
6537 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6538 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6539 data->tx.mtu = 0; /* VF specific */
6540 data->tx.tx_bd_page_base.lo =
6541 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6542 data->tx.tx_bd_page_base.hi =
6543 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6544
6545 /* flow control data */
6546 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6547 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6548 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6549 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6550 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6551 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6552 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6553
6554 data->fc.safc_group_num = params->txq_params.cos;
6555 data->fc.safc_group_en_flg =
6556 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006557 data->fc.traffic_type =
6558 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6559 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006560}
6561
6562static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6563{
6564 /* ustorm cxt validation */
6565 cxt->ustorm_ag_context.cdu_usage =
6566 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6567 ETH_CONNECTION_TYPE);
6568 /* xcontext validation */
6569 cxt->xstorm_ag_context.cdu_reserved =
6570 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6571 ETH_CONNECTION_TYPE);
6572}
6573
stephen hemminger8d962862010-10-21 07:50:56 +00006574static int bnx2x_setup_fw_client(struct bnx2x *bp,
6575 struct bnx2x_client_init_params *params,
6576 u8 activate,
6577 struct client_init_ramrod_data *data,
6578 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006579{
6580 u16 hc_usec;
6581 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6582 int ramrod_flags = 0, rc;
6583
6584 /* HC and context validation values */
6585 hc_usec = params->txq_params.hc_rate ?
6586 1000000 / params->txq_params.hc_rate : 0;
6587 bnx2x_update_coalesce_sb_index(bp,
6588 params->txq_params.fw_sb_id,
6589 params->txq_params.sb_cq_index,
6590 !(params->txq_params.flags & QUEUE_FLG_HC),
6591 hc_usec);
6592
6593 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6594
6595 hc_usec = params->rxq_params.hc_rate ?
6596 1000000 / params->rxq_params.hc_rate : 0;
6597 bnx2x_update_coalesce_sb_index(bp,
6598 params->rxq_params.fw_sb_id,
6599 params->rxq_params.sb_cq_index,
6600 !(params->rxq_params.flags & QUEUE_FLG_HC),
6601 hc_usec);
6602
6603 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6604 params->rxq_params.cid);
6605
6606 /* zero stats */
6607 if (params->txq_params.flags & QUEUE_FLG_STATS)
6608 storm_memset_xstats_zero(bp, BP_PORT(bp),
6609 params->txq_params.stat_id);
6610
6611 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6612 storm_memset_ustats_zero(bp, BP_PORT(bp),
6613 params->rxq_params.stat_id);
6614 storm_memset_tstats_zero(bp, BP_PORT(bp),
6615 params->rxq_params.stat_id);
6616 }
6617
6618 /* Fill the ramrod data */
6619 bnx2x_fill_cl_init_data(bp, params, activate, data);
6620
6621 /* SETUP ramrod.
6622 *
6623 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6624 * barrier except from mmiowb() is needed to impose a
6625 * proper ordering of memory operations.
6626 */
6627 mmiowb();
6628
6629
6630 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6631 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006632
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006633 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006634 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6635 params->ramrod_params.index,
6636 params->ramrod_params.pstate,
6637 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006638 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006639}
6640
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006641/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006642 * bnx2x_set_int_mode - configure interrupt mode
6643 *
6644 * @bp: driver handle
6645 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006646 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006647 */
6648static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006649{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006650 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006651
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006652 switch (bp->int_mode) {
6653 case INT_MODE_MSI:
6654 bnx2x_enable_msi(bp);
6655 /* falling through... */
6656 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006657 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006658 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006659 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006660 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006661 /* Set number of queues according to bp->multi_mode value */
6662 bnx2x_set_num_queues(bp);
6663
6664 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6665 bp->num_queues);
6666
6667 /* if we can't use MSI-X we only need one fp,
6668 * so try to enable MSI-X with the requested number of fp's
6669 * and fallback to MSI or legacy INTx with one fp
6670 */
6671 rc = bnx2x_enable_msix(bp);
6672 if (rc) {
6673 /* failed to enable MSI-X */
6674 if (bp->multi_mode)
6675 DP(NETIF_MSG_IFUP,
6676 "Multi requested but failed to "
6677 "enable MSI-X (%d), "
6678 "set number of queues to %d\n",
6679 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006680 1 + NONE_ETH_CONTEXT_USE);
6681 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006682
6683 if (!(bp->flags & DISABLE_MSI_FLAG))
6684 bnx2x_enable_msi(bp);
6685 }
6686
Eilon Greensteinca003922009-08-12 22:53:28 -07006687 break;
6688 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006689
6690 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006691}
6692
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006693/* must be called prioir to any HW initializations */
6694static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6695{
6696 return L2_ILT_LINES(bp);
6697}
6698
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006699void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006700{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006701 struct ilt_client_info *ilt_client;
6702 struct bnx2x_ilt *ilt = BP_ILT(bp);
6703 u16 line = 0;
6704
6705 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6706 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6707
6708 /* CDU */
6709 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6710 ilt_client->client_num = ILT_CLIENT_CDU;
6711 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6712 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6713 ilt_client->start = line;
6714 line += L2_ILT_LINES(bp);
6715#ifdef BCM_CNIC
6716 line += CNIC_ILT_LINES;
6717#endif
6718 ilt_client->end = line - 1;
6719
6720 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6721 "flags 0x%x, hw psz %d\n",
6722 ilt_client->start,
6723 ilt_client->end,
6724 ilt_client->page_size,
6725 ilt_client->flags,
6726 ilog2(ilt_client->page_size >> 12));
6727
6728 /* QM */
6729 if (QM_INIT(bp->qm_cid_count)) {
6730 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6731 ilt_client->client_num = ILT_CLIENT_QM;
6732 ilt_client->page_size = QM_ILT_PAGE_SZ;
6733 ilt_client->flags = 0;
6734 ilt_client->start = line;
6735
6736 /* 4 bytes for each cid */
6737 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6738 QM_ILT_PAGE_SZ);
6739
6740 ilt_client->end = line - 1;
6741
6742 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6743 "flags 0x%x, hw psz %d\n",
6744 ilt_client->start,
6745 ilt_client->end,
6746 ilt_client->page_size,
6747 ilt_client->flags,
6748 ilog2(ilt_client->page_size >> 12));
6749
6750 }
6751 /* SRC */
6752 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6753#ifdef BCM_CNIC
6754 ilt_client->client_num = ILT_CLIENT_SRC;
6755 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6756 ilt_client->flags = 0;
6757 ilt_client->start = line;
6758 line += SRC_ILT_LINES;
6759 ilt_client->end = line - 1;
6760
6761 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6762 "flags 0x%x, hw psz %d\n",
6763 ilt_client->start,
6764 ilt_client->end,
6765 ilt_client->page_size,
6766 ilt_client->flags,
6767 ilog2(ilt_client->page_size >> 12));
6768
6769#else
6770 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6771#endif
6772
6773 /* TM */
6774 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6775#ifdef BCM_CNIC
6776 ilt_client->client_num = ILT_CLIENT_TM;
6777 ilt_client->page_size = TM_ILT_PAGE_SZ;
6778 ilt_client->flags = 0;
6779 ilt_client->start = line;
6780 line += TM_ILT_LINES;
6781 ilt_client->end = line - 1;
6782
6783 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6784 "flags 0x%x, hw psz %d\n",
6785 ilt_client->start,
6786 ilt_client->end,
6787 ilt_client->page_size,
6788 ilt_client->flags,
6789 ilog2(ilt_client->page_size >> 12));
6790
6791#else
6792 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6793#endif
6794}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006795
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006796int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6797 int is_leading)
6798{
6799 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006800 int rc;
6801
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006802 /* reset IGU state skip FCoE L2 queue */
6803 if (!IS_FCOE_FP(fp))
6804 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006805 IGU_INT_ENABLE, 0);
6806
6807 params.ramrod_params.pstate = &fp->state;
6808 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6809 params.ramrod_params.index = fp->index;
6810 params.ramrod_params.cid = fp->cid;
6811
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006812#ifdef BCM_CNIC
6813 if (IS_FCOE_FP(fp))
6814 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6815
6816#endif
6817
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006818 if (is_leading)
6819 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6820
6821 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6822
6823 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6824
6825 rc = bnx2x_setup_fw_client(bp, &params, 1,
6826 bnx2x_sp(bp, client_init_data),
6827 bnx2x_sp_mapping(bp, client_init_data));
6828 return rc;
6829}
6830
stephen hemminger8d962862010-10-21 07:50:56 +00006831static int bnx2x_stop_fw_client(struct bnx2x *bp,
6832 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006833{
6834 int rc;
6835
6836 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6837
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006838 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006839 *p->pstate = BNX2X_FP_STATE_HALTING;
6840 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6841 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006842
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006843 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006844 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6845 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006846 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006847 return rc;
6848
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006849 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6850 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6851 p->cl_id, 0);
6852 /* Wait for completion */
6853 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6854 p->pstate, poll_flag);
6855 if (rc) /* timeout */
6856 return rc;
6857
6858
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006859 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006860 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006861
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006862 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006863 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6864 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006865 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006866}
6867
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006868static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006869{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006870 struct bnx2x_client_ramrod_params client_stop = {0};
6871 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006872
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006873 client_stop.index = index;
6874 client_stop.cid = fp->cid;
6875 client_stop.cl_id = fp->cl_id;
6876 client_stop.pstate = &(fp->state);
6877 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006878
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006879 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006880}
6881
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006882
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006883static void bnx2x_reset_func(struct bnx2x *bp)
6884{
6885 int port = BP_PORT(bp);
6886 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006887 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006888 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006889 (CHIP_IS_E2(bp) ?
6890 offsetof(struct hc_status_block_data_e2, common) :
6891 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006892 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6893 int pfid_offset = offsetof(struct pci_entity, pf_id);
6894
6895 /* Disable the function in the FW */
6896 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6897 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6898 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6899 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6900
6901 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006902 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006903 struct bnx2x_fastpath *fp = &bp->fp[i];
6904 REG_WR8(bp,
6905 BAR_CSTRORM_INTMEM +
6906 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6907 + pfunc_offset_fp + pfid_offset,
6908 HC_FUNCTION_DISABLED);
6909 }
6910
6911 /* SP SB */
6912 REG_WR8(bp,
6913 BAR_CSTRORM_INTMEM +
6914 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6915 pfunc_offset_sp + pfid_offset,
6916 HC_FUNCTION_DISABLED);
6917
6918
6919 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6920 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6921 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006922
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006923 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006924 if (bp->common.int_block == INT_BLOCK_HC) {
6925 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6926 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6927 } else {
6928 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6929 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6930 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006931
Michael Chan37b091b2009-10-10 13:46:55 +00006932#ifdef BCM_CNIC
6933 /* Disable Timer scan */
6934 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6935 /*
6936 * Wait for at least 10ms and up to 2 second for the timers scan to
6937 * complete
6938 */
6939 for (i = 0; i < 200; i++) {
6940 msleep(10);
6941 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6942 break;
6943 }
6944#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006945 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006946 bnx2x_clear_func_ilt(bp, func);
6947
6948 /* Timers workaround bug for E2: if this is vnic-3,
6949 * we need to set the entire ilt range for this timers.
6950 */
6951 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6952 struct ilt_client_info ilt_cli;
6953 /* use dummy TM client */
6954 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6955 ilt_cli.start = 0;
6956 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6957 ilt_cli.client_num = ILT_CLIENT_TM;
6958
6959 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6960 }
6961
6962 /* this assumes that reset_port() called before reset_func()*/
6963 if (CHIP_IS_E2(bp))
6964 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006965
6966 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006967}
6968
6969static void bnx2x_reset_port(struct bnx2x *bp)
6970{
6971 int port = BP_PORT(bp);
6972 u32 val;
6973
6974 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6975
6976 /* Do not rcv packets to BRB */
6977 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6978 /* Do not direct rcv packets that are not for MCP to the BRB */
6979 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6980 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6981
6982 /* Configure AEU */
6983 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6984
6985 msleep(100);
6986 /* Check for BRB port occupancy */
6987 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6988 if (val)
6989 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006990 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006991
6992 /* TODO: Close Doorbell port? */
6993}
6994
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006995static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6996{
6997 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006998 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006999
7000 switch (reset_code) {
7001 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7002 bnx2x_reset_port(bp);
7003 bnx2x_reset_func(bp);
7004 bnx2x_reset_common(bp);
7005 break;
7006
7007 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7008 bnx2x_reset_port(bp);
7009 bnx2x_reset_func(bp);
7010 break;
7011
7012 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7013 bnx2x_reset_func(bp);
7014 break;
7015
7016 default:
7017 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7018 break;
7019 }
7020}
7021
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007022#ifdef BCM_CNIC
7023static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7024{
7025 if (bp->flags & FCOE_MACS_SET) {
7026 if (!IS_MF_SD(bp))
7027 bnx2x_set_fip_eth_mac_addr(bp, 0);
7028
7029 bnx2x_set_all_enode_macs(bp, 0);
7030
7031 bp->flags &= ~FCOE_MACS_SET;
7032 }
7033}
7034#endif
7035
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007036void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007037{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007038 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007039 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007040 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007041
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007042 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007043 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007044 struct bnx2x_fastpath *fp = &bp->fp[i];
7045
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007046 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007047 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007048
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007049 if (!cnt) {
7050 BNX2X_ERR("timeout waiting for queue[%d]\n",
7051 i);
7052#ifdef BNX2X_STOP_ON_ERROR
7053 bnx2x_panic();
7054 return -EBUSY;
7055#else
7056 break;
7057#endif
7058 }
7059 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007060 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007061 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007062 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007063 /* Give HW time to discard old tx messages */
7064 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007065
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007066 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007067
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007068 bnx2x_invalidate_uc_list(bp);
7069
7070 if (CHIP_IS_E1(bp))
7071 bnx2x_invalidate_e1_mc_list(bp);
7072 else {
7073 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007074 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007075 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007076
Michael Chan993ac7b2009-10-10 13:46:56 +00007077#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007078 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007079#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007080
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007081 if (unload_mode == UNLOAD_NORMAL)
7082 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007083
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007084 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007085 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007086
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007087 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007088 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007089 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007090 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007091 /* The mac address is written to entries 1-4 to
7092 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007093 u8 entry = (BP_E1HVN(bp) + 1)*8;
7094
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007095 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007096 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007097
7098 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7099 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007100 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007101
7102 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007103
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007104 } else
7105 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7106
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007107 /* Close multi and leading connections
7108 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007109 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007110
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007111 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007112#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007113 return;
7114#else
7115 goto unload_error;
7116#endif
7117
7118 rc = bnx2x_func_stop(bp);
7119 if (rc) {
7120 BNX2X_ERR("Function stop failed!\n");
7121#ifdef BNX2X_STOP_ON_ERROR
7122 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007123#else
7124 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007125#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007126 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007127#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007128unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007129#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007130 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007131 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007132 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007133 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7134 "%d, %d, %d\n", BP_PATH(bp),
7135 load_count[BP_PATH(bp)][0],
7136 load_count[BP_PATH(bp)][1],
7137 load_count[BP_PATH(bp)][2]);
7138 load_count[BP_PATH(bp)][0]--;
7139 load_count[BP_PATH(bp)][1 + port]--;
7140 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7141 "%d, %d, %d\n", BP_PATH(bp),
7142 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7143 load_count[BP_PATH(bp)][2]);
7144 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007145 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007146 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007147 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7148 else
7149 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7150 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007151
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007152 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7153 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7154 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007156 /* Disable HW interrupts, NAPI */
7157 bnx2x_netif_stop(bp, 1);
7158
7159 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007160 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007161
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007162 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007163 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164
7165 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007166 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007167 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007168
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007169}
7170
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007171void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007172{
7173 u32 val;
7174
7175 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7176
7177 if (CHIP_IS_E1(bp)) {
7178 int port = BP_PORT(bp);
7179 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7180 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7181
7182 val = REG_RD(bp, addr);
7183 val &= ~(0x300);
7184 REG_WR(bp, addr, val);
7185 } else if (CHIP_IS_E1H(bp)) {
7186 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7187 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7188 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7189 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7190 }
7191}
7192
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007193/* Close gates #2, #3 and #4: */
7194static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7195{
7196 u32 val, addr;
7197
7198 /* Gates #2 and #4a are closed/opened for "not E1" only */
7199 if (!CHIP_IS_E1(bp)) {
7200 /* #4 */
7201 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7202 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7203 close ? (val | 0x1) : (val & (~(u32)1)));
7204 /* #2 */
7205 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7206 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7207 close ? (val | 0x1) : (val & (~(u32)1)));
7208 }
7209
7210 /* #3 */
7211 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7212 val = REG_RD(bp, addr);
7213 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7214
7215 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7216 close ? "closing" : "opening");
7217 mmiowb();
7218}
7219
7220#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7221
7222static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7223{
7224 /* Do some magic... */
7225 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7226 *magic_val = val & SHARED_MF_CLP_MAGIC;
7227 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7228}
7229
Dmitry Kravkove8920672011-05-04 23:52:40 +00007230/**
7231 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007232 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007233 * @bp: driver handle
7234 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007235 */
7236static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7237{
7238 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007239 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7240 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7241 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7242}
7243
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007244/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007245 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007246 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007247 * @bp: driver handle
7248 * @magic_val: old value of 'magic' bit.
7249 *
7250 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007251 */
7252static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7253{
7254 u32 shmem;
7255 u32 validity_offset;
7256
7257 DP(NETIF_MSG_HW, "Starting\n");
7258
7259 /* Set `magic' bit in order to save MF config */
7260 if (!CHIP_IS_E1(bp))
7261 bnx2x_clp_reset_prep(bp, magic_val);
7262
7263 /* Get shmem offset */
7264 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7265 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7266
7267 /* Clear validity map flags */
7268 if (shmem > 0)
7269 REG_WR(bp, shmem + validity_offset, 0);
7270}
7271
7272#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7273#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7274
Dmitry Kravkove8920672011-05-04 23:52:40 +00007275/**
7276 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007277 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007278 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007279 */
7280static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7281{
7282 /* special handling for emulation and FPGA,
7283 wait 10 times longer */
7284 if (CHIP_REV_IS_SLOW(bp))
7285 msleep(MCP_ONE_TIMEOUT*10);
7286 else
7287 msleep(MCP_ONE_TIMEOUT);
7288}
7289
7290static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7291{
7292 u32 shmem, cnt, validity_offset, val;
7293 int rc = 0;
7294
7295 msleep(100);
7296
7297 /* Get shmem offset */
7298 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7299 if (shmem == 0) {
7300 BNX2X_ERR("Shmem 0 return failure\n");
7301 rc = -ENOTTY;
7302 goto exit_lbl;
7303 }
7304
7305 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7306
7307 /* Wait for MCP to come up */
7308 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7309 /* TBD: its best to check validity map of last port.
7310 * currently checks on port 0.
7311 */
7312 val = REG_RD(bp, shmem + validity_offset);
7313 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7314 shmem + validity_offset, val);
7315
7316 /* check that shared memory is valid. */
7317 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7318 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7319 break;
7320
7321 bnx2x_mcp_wait_one(bp);
7322 }
7323
7324 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7325
7326 /* Check that shared memory is valid. This indicates that MCP is up. */
7327 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7328 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7329 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7330 rc = -ENOTTY;
7331 goto exit_lbl;
7332 }
7333
7334exit_lbl:
7335 /* Restore the `magic' bit value */
7336 if (!CHIP_IS_E1(bp))
7337 bnx2x_clp_reset_done(bp, magic_val);
7338
7339 return rc;
7340}
7341
7342static void bnx2x_pxp_prep(struct bnx2x *bp)
7343{
7344 if (!CHIP_IS_E1(bp)) {
7345 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7346 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7347 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7348 mmiowb();
7349 }
7350}
7351
7352/*
7353 * Reset the whole chip except for:
7354 * - PCIE core
7355 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7356 * one reset bit)
7357 * - IGU
7358 * - MISC (including AEU)
7359 * - GRC
7360 * - RBCN, RBCP
7361 */
7362static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7363{
7364 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7365
7366 not_reset_mask1 =
7367 MISC_REGISTERS_RESET_REG_1_RST_HC |
7368 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7369 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7370
7371 not_reset_mask2 =
7372 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7373 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7374 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7375 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7376 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7377 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7378 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7379 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7380
7381 reset_mask1 = 0xffffffff;
7382
7383 if (CHIP_IS_E1(bp))
7384 reset_mask2 = 0xffff;
7385 else
7386 reset_mask2 = 0x1ffff;
7387
7388 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7389 reset_mask1 & (~not_reset_mask1));
7390 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7391 reset_mask2 & (~not_reset_mask2));
7392
7393 barrier();
7394 mmiowb();
7395
7396 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7397 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7398 mmiowb();
7399}
7400
7401static int bnx2x_process_kill(struct bnx2x *bp)
7402{
7403 int cnt = 1000;
7404 u32 val = 0;
7405 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7406
7407
7408 /* Empty the Tetris buffer, wait for 1s */
7409 do {
7410 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7411 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7412 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7413 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7414 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7415 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7416 ((port_is_idle_0 & 0x1) == 0x1) &&
7417 ((port_is_idle_1 & 0x1) == 0x1) &&
7418 (pgl_exp_rom2 == 0xffffffff))
7419 break;
7420 msleep(1);
7421 } while (cnt-- > 0);
7422
7423 if (cnt <= 0) {
7424 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7425 " are still"
7426 " outstanding read requests after 1s!\n");
7427 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7428 " port_is_idle_0=0x%08x,"
7429 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7430 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7431 pgl_exp_rom2);
7432 return -EAGAIN;
7433 }
7434
7435 barrier();
7436
7437 /* Close gates #2, #3 and #4 */
7438 bnx2x_set_234_gates(bp, true);
7439
7440 /* TBD: Indicate that "process kill" is in progress to MCP */
7441
7442 /* Clear "unprepared" bit */
7443 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7444 barrier();
7445
7446 /* Make sure all is written to the chip before the reset */
7447 mmiowb();
7448
7449 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7450 * PSWHST, GRC and PSWRD Tetris buffer.
7451 */
7452 msleep(1);
7453
7454 /* Prepare to chip reset: */
7455 /* MCP */
7456 bnx2x_reset_mcp_prep(bp, &val);
7457
7458 /* PXP */
7459 bnx2x_pxp_prep(bp);
7460 barrier();
7461
7462 /* reset the chip */
7463 bnx2x_process_kill_chip_reset(bp);
7464 barrier();
7465
7466 /* Recover after reset: */
7467 /* MCP */
7468 if (bnx2x_reset_mcp_comp(bp, val))
7469 return -EAGAIN;
7470
7471 /* PXP */
7472 bnx2x_pxp_prep(bp);
7473
7474 /* Open the gates #2, #3 and #4 */
7475 bnx2x_set_234_gates(bp, false);
7476
7477 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7478 * reset state, re-enable attentions. */
7479
7480 return 0;
7481}
7482
7483static int bnx2x_leader_reset(struct bnx2x *bp)
7484{
7485 int rc = 0;
7486 /* Try to recover after the failure */
7487 if (bnx2x_process_kill(bp)) {
7488 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7489 bp->dev->name);
7490 rc = -EAGAIN;
7491 goto exit_leader_reset;
7492 }
7493
7494 /* Clear "reset is in progress" bit and update the driver state */
7495 bnx2x_set_reset_done(bp);
7496 bp->recovery_state = BNX2X_RECOVERY_DONE;
7497
7498exit_leader_reset:
7499 bp->is_leader = 0;
7500 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7501 smp_wmb();
7502 return rc;
7503}
7504
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007505/* Assumption: runs under rtnl lock. This together with the fact
7506 * that it's called only from bnx2x_reset_task() ensure that it
7507 * will never be called when netif_running(bp->dev) is false.
7508 */
7509static void bnx2x_parity_recover(struct bnx2x *bp)
7510{
7511 DP(NETIF_MSG_HW, "Handling parity\n");
7512 while (1) {
7513 switch (bp->recovery_state) {
7514 case BNX2X_RECOVERY_INIT:
7515 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7516 /* Try to get a LEADER_LOCK HW lock */
7517 if (bnx2x_trylock_hw_lock(bp,
7518 HW_LOCK_RESOURCE_RESERVED_08))
7519 bp->is_leader = 1;
7520
7521 /* Stop the driver */
7522 /* If interface has been removed - break */
7523 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7524 return;
7525
7526 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7527 /* Ensure "is_leader" and "recovery_state"
7528 * update values are seen on other CPUs
7529 */
7530 smp_wmb();
7531 break;
7532
7533 case BNX2X_RECOVERY_WAIT:
7534 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7535 if (bp->is_leader) {
7536 u32 load_counter = bnx2x_get_load_cnt(bp);
7537 if (load_counter) {
7538 /* Wait until all other functions get
7539 * down.
7540 */
7541 schedule_delayed_work(&bp->reset_task,
7542 HZ/10);
7543 return;
7544 } else {
7545 /* If all other functions got down -
7546 * try to bring the chip back to
7547 * normal. In any case it's an exit
7548 * point for a leader.
7549 */
7550 if (bnx2x_leader_reset(bp) ||
7551 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7552 printk(KERN_ERR"%s: Recovery "
7553 "has failed. Power cycle is "
7554 "needed.\n", bp->dev->name);
7555 /* Disconnect this device */
7556 netif_device_detach(bp->dev);
7557 /* Block ifup for all function
7558 * of this ASIC until
7559 * "process kill" or power
7560 * cycle.
7561 */
7562 bnx2x_set_reset_in_progress(bp);
7563 /* Shut down the power */
7564 bnx2x_set_power_state(bp,
7565 PCI_D3hot);
7566 return;
7567 }
7568
7569 return;
7570 }
7571 } else { /* non-leader */
7572 if (!bnx2x_reset_is_done(bp)) {
7573 /* Try to get a LEADER_LOCK HW lock as
7574 * long as a former leader may have
7575 * been unloaded by the user or
7576 * released a leadership by another
7577 * reason.
7578 */
7579 if (bnx2x_trylock_hw_lock(bp,
7580 HW_LOCK_RESOURCE_RESERVED_08)) {
7581 /* I'm a leader now! Restart a
7582 * switch case.
7583 */
7584 bp->is_leader = 1;
7585 break;
7586 }
7587
7588 schedule_delayed_work(&bp->reset_task,
7589 HZ/10);
7590 return;
7591
7592 } else { /* A leader has completed
7593 * the "process kill". It's an exit
7594 * point for a non-leader.
7595 */
7596 bnx2x_nic_load(bp, LOAD_NORMAL);
7597 bp->recovery_state =
7598 BNX2X_RECOVERY_DONE;
7599 smp_wmb();
7600 return;
7601 }
7602 }
7603 default:
7604 return;
7605 }
7606 }
7607}
7608
7609/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7610 * scheduled on a general queue in order to prevent a dead lock.
7611 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007612static void bnx2x_reset_task(struct work_struct *work)
7613{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007614 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007615
7616#ifdef BNX2X_STOP_ON_ERROR
7617 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7618 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007619 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007620 return;
7621#endif
7622
7623 rtnl_lock();
7624
7625 if (!netif_running(bp->dev))
7626 goto reset_task_exit;
7627
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007628 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7629 bnx2x_parity_recover(bp);
7630 else {
7631 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7632 bnx2x_nic_load(bp, LOAD_NORMAL);
7633 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007634
7635reset_task_exit:
7636 rtnl_unlock();
7637}
7638
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007639/* end of nic load/unload */
7640
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007641/*
7642 * Init service functions
7643 */
7644
stephen hemminger8d962862010-10-21 07:50:56 +00007645static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007646{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007647 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7648 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7649 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007650}
7651
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007652static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007653{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007654 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007655
7656 /* Flush all outstanding writes */
7657 mmiowb();
7658
7659 /* Pretend to be function 0 */
7660 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007661 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007662
7663 /* From now we are in the "like-E1" mode */
7664 bnx2x_int_disable(bp);
7665
7666 /* Flush all outstanding writes */
7667 mmiowb();
7668
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007669 /* Restore the original function */
7670 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7671 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007672}
7673
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007674static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007675{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007676 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007677 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007678 else
7679 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007680}
7681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007682static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007683{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007684 u32 val;
7685
7686 /* Check if there is any driver already loaded */
7687 val = REG_RD(bp, MISC_REG_UNPREPARED);
7688 if (val == 0x1) {
7689 /* Check if it is the UNDI driver
7690 * UNDI driver initializes CID offset for normal bell to 0x7
7691 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007692 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007693 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7694 if (val == 0x7) {
7695 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007696 /* save our pf_num */
7697 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007698 u32 swap_en;
7699 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007700
Eilon Greensteinb4661732009-01-14 06:43:56 +00007701 /* clear the UNDI indication */
7702 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7703
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007704 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7705
7706 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007707 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007708 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007709 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007710 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007711 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007712
7713 /* if UNDI is loaded on the other port */
7714 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7715
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007716 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007717 bnx2x_fw_command(bp,
7718 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007719
7720 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007721 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007722 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007723 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007724 DRV_MSG_SEQ_NUMBER_MASK);
7725 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007726
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007727 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007728 }
7729
Eilon Greensteinb4661732009-01-14 06:43:56 +00007730 /* now it's safe to release the lock */
7731 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7732
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007733 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007734
7735 /* close input traffic and wait for it */
7736 /* Do not rcv packets to BRB */
7737 REG_WR(bp,
7738 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7739 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7740 /* Do not direct rcv packets that are not for MCP to
7741 * the BRB */
7742 REG_WR(bp,
7743 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7744 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7745 /* clear AEU */
7746 REG_WR(bp,
7747 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7748 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7749 msleep(10);
7750
7751 /* save NIG port swap info */
7752 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7753 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007754 /* reset device */
7755 REG_WR(bp,
7756 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007757 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007758 REG_WR(bp,
7759 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7760 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007761 /* take the NIG out of reset and restore swap values */
7762 REG_WR(bp,
7763 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7764 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7765 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7766 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7767
7768 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007769 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007770
7771 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007772 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007773 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007774 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007775 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007776 } else
7777 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007778 }
7779}
7780
7781static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7782{
7783 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007784 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007785
7786 /* Get the chip revision id and number. */
7787 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7788 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7789 id = ((val & 0xffff) << 16);
7790 val = REG_RD(bp, MISC_REG_CHIP_REV);
7791 id |= ((val & 0xf) << 12);
7792 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7793 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007794 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007795 id |= (val & 0xf);
7796 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007797
7798 /* Set doorbell size */
7799 bp->db_size = (1 << BNX2X_DB_SHIFT);
7800
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007801 if (CHIP_IS_E2(bp)) {
7802 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7803 if ((val & 1) == 0)
7804 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7805 else
7806 val = (val >> 1) & 1;
7807 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7808 "2_PORT_MODE");
7809 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7810 CHIP_2_PORT_MODE;
7811
7812 if (CHIP_MODE_IS_4_PORT(bp))
7813 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7814 else
7815 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7816 } else {
7817 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7818 bp->pfid = bp->pf_num; /* 0..7 */
7819 }
7820
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007821 /*
7822 * set base FW non-default (fast path) status block id, this value is
7823 * used to initialize the fw_sb_id saved on the fp/queue structure to
7824 * determine the id used by the FW.
7825 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007826 if (CHIP_IS_E1x(bp))
7827 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7828 else /* E2 */
7829 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7830
7831 bp->link_params.chip_id = bp->common.chip_id;
7832 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007833
Eilon Greenstein1c063282009-02-12 08:36:43 +00007834 val = (REG_RD(bp, 0x2874) & 0x55);
7835 if ((bp->common.chip_id & 0x1) ||
7836 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7837 bp->flags |= ONE_PORT_FLAG;
7838 BNX2X_DEV_INFO("single port device\n");
7839 }
7840
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007841 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7842 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7843 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7844 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7845 bp->common.flash_size, bp->common.flash_size);
7846
7847 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007848 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7849 MISC_REG_GENERIC_CR_1 :
7850 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007851 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007852 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007853 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7854 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007855
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007856 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007857 BNX2X_DEV_INFO("MCP not active\n");
7858 bp->flags |= NO_MCP_FLAG;
7859 return;
7860 }
7861
7862 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7863 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7864 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007865 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007866
7867 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007868 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007869
7870 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7871 SHARED_HW_CFG_LED_MODE_MASK) >>
7872 SHARED_HW_CFG_LED_MODE_SHIFT);
7873
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007874 bp->link_params.feature_config_flags = 0;
7875 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7876 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7877 bp->link_params.feature_config_flags |=
7878 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7879 else
7880 bp->link_params.feature_config_flags &=
7881 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7882
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007883 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7884 bp->common.bc_ver = val;
7885 BNX2X_DEV_INFO("bc_ver %X\n", val);
7886 if (val < BNX2X_BC_VER) {
7887 /* for now only warn
7888 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007889 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7890 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007891 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007892 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007893 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007894 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7895
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007896 bp->link_params.feature_config_flags |=
7897 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7898 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007899
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007900 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7901 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7902
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007903 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007904 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007905
7906 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7907 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7908 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7909 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7910
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007911 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7912 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007913}
7914
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007915#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7916#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7917
7918static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7919{
7920 int pfid = BP_FUNC(bp);
7921 int vn = BP_E1HVN(bp);
7922 int igu_sb_id;
7923 u32 val;
7924 u8 fid;
7925
7926 bp->igu_base_sb = 0xff;
7927 bp->igu_sb_cnt = 0;
7928 if (CHIP_INT_MODE_IS_BC(bp)) {
7929 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007930 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007931
7932 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7933 FP_SB_MAX_E1x;
7934
7935 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7936 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7937
7938 return;
7939 }
7940
7941 /* IGU in normal mode - read CAM */
7942 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7943 igu_sb_id++) {
7944 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7945 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7946 continue;
7947 fid = IGU_FID(val);
7948 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7949 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7950 continue;
7951 if (IGU_VEC(val) == 0)
7952 /* default status block */
7953 bp->igu_dsb_id = igu_sb_id;
7954 else {
7955 if (bp->igu_base_sb == 0xff)
7956 bp->igu_base_sb = igu_sb_id;
7957 bp->igu_sb_cnt++;
7958 }
7959 }
7960 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007961 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7962 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007963 if (bp->igu_sb_cnt == 0)
7964 BNX2X_ERR("CAM configuration error\n");
7965}
7966
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007967static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7968 u32 switch_cfg)
7969{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007970 int cfg_size = 0, idx, port = BP_PORT(bp);
7971
7972 /* Aggregation of supported attributes of all external phys */
7973 bp->port.supported[0] = 0;
7974 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007975 switch (bp->link_params.num_phys) {
7976 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007977 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7978 cfg_size = 1;
7979 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007980 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007981 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7982 cfg_size = 1;
7983 break;
7984 case 3:
7985 if (bp->link_params.multi_phy_config &
7986 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7987 bp->port.supported[1] =
7988 bp->link_params.phy[EXT_PHY1].supported;
7989 bp->port.supported[0] =
7990 bp->link_params.phy[EXT_PHY2].supported;
7991 } else {
7992 bp->port.supported[0] =
7993 bp->link_params.phy[EXT_PHY1].supported;
7994 bp->port.supported[1] =
7995 bp->link_params.phy[EXT_PHY2].supported;
7996 }
7997 cfg_size = 2;
7998 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007999 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008000
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008001 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008002 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008003 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008004 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008005 dev_info.port_hw_config[port].external_phy_config),
8006 SHMEM_RD(bp,
8007 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008008 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008009 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008010
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008011 switch (switch_cfg) {
8012 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008013 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8014 port*0x10);
8015 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008016 break;
8017
8018 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008019 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8020 port*0x18);
8021 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008022 break;
8023
8024 default:
8025 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008026 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008027 return;
8028 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008029 /* mask what we support according to speed_cap_mask per configuration */
8030 for (idx = 0; idx < cfg_size; idx++) {
8031 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008032 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008033 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008034
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008035 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008036 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008037 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008038
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008039 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008040 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008041 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008042
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008043 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008044 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008045 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008046
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008047 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008048 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008049 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008050 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008051
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008052 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008053 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008054 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008055
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008056 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008057 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008058 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008059
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008060 }
8061
8062 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8063 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008064}
8065
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008066static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008067{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008068 u32 link_config, idx, cfg_size = 0;
8069 bp->port.advertising[0] = 0;
8070 bp->port.advertising[1] = 0;
8071 switch (bp->link_params.num_phys) {
8072 case 1:
8073 case 2:
8074 cfg_size = 1;
8075 break;
8076 case 3:
8077 cfg_size = 2;
8078 break;
8079 }
8080 for (idx = 0; idx < cfg_size; idx++) {
8081 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8082 link_config = bp->port.link_config[idx];
8083 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008084 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008085 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8086 bp->link_params.req_line_speed[idx] =
8087 SPEED_AUTO_NEG;
8088 bp->port.advertising[idx] |=
8089 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008090 } else {
8091 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008092 bp->link_params.req_line_speed[idx] =
8093 SPEED_10000;
8094 bp->port.advertising[idx] |=
8095 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008096 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008097 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008098 }
8099 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008100
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008101 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008102 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8103 bp->link_params.req_line_speed[idx] =
8104 SPEED_10;
8105 bp->port.advertising[idx] |=
8106 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008107 ADVERTISED_TP);
8108 } else {
8109 BNX2X_ERROR("NVRAM config error. "
8110 "Invalid link_config 0x%x"
8111 " speed_cap_mask 0x%x\n",
8112 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008113 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008114 return;
8115 }
8116 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008117
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008118 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008119 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8120 bp->link_params.req_line_speed[idx] =
8121 SPEED_10;
8122 bp->link_params.req_duplex[idx] =
8123 DUPLEX_HALF;
8124 bp->port.advertising[idx] |=
8125 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008126 ADVERTISED_TP);
8127 } else {
8128 BNX2X_ERROR("NVRAM config error. "
8129 "Invalid link_config 0x%x"
8130 " speed_cap_mask 0x%x\n",
8131 link_config,
8132 bp->link_params.speed_cap_mask[idx]);
8133 return;
8134 }
8135 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008136
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008137 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8138 if (bp->port.supported[idx] &
8139 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008140 bp->link_params.req_line_speed[idx] =
8141 SPEED_100;
8142 bp->port.advertising[idx] |=
8143 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008144 ADVERTISED_TP);
8145 } else {
8146 BNX2X_ERROR("NVRAM config error. "
8147 "Invalid link_config 0x%x"
8148 " speed_cap_mask 0x%x\n",
8149 link_config,
8150 bp->link_params.speed_cap_mask[idx]);
8151 return;
8152 }
8153 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008154
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008155 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8156 if (bp->port.supported[idx] &
8157 SUPPORTED_100baseT_Half) {
8158 bp->link_params.req_line_speed[idx] =
8159 SPEED_100;
8160 bp->link_params.req_duplex[idx] =
8161 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008162 bp->port.advertising[idx] |=
8163 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008164 ADVERTISED_TP);
8165 } else {
8166 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008167 "Invalid link_config 0x%x"
8168 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008169 link_config,
8170 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008171 return;
8172 }
8173 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008174
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008175 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008176 if (bp->port.supported[idx] &
8177 SUPPORTED_1000baseT_Full) {
8178 bp->link_params.req_line_speed[idx] =
8179 SPEED_1000;
8180 bp->port.advertising[idx] |=
8181 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008182 ADVERTISED_TP);
8183 } else {
8184 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008185 "Invalid link_config 0x%x"
8186 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008187 link_config,
8188 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008189 return;
8190 }
8191 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008192
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008193 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008194 if (bp->port.supported[idx] &
8195 SUPPORTED_2500baseX_Full) {
8196 bp->link_params.req_line_speed[idx] =
8197 SPEED_2500;
8198 bp->port.advertising[idx] |=
8199 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008200 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008201 } else {
8202 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008203 "Invalid link_config 0x%x"
8204 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008205 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008206 bp->link_params.speed_cap_mask[idx]);
8207 return;
8208 }
8209 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008210
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008211 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8212 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8213 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008214 if (bp->port.supported[idx] &
8215 SUPPORTED_10000baseT_Full) {
8216 bp->link_params.req_line_speed[idx] =
8217 SPEED_10000;
8218 bp->port.advertising[idx] |=
8219 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008220 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008221 } else {
8222 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008223 "Invalid link_config 0x%x"
8224 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008225 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008226 bp->link_params.speed_cap_mask[idx]);
8227 return;
8228 }
8229 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008230
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008231 default:
8232 BNX2X_ERROR("NVRAM config error. "
8233 "BAD link speed link_config 0x%x\n",
8234 link_config);
8235 bp->link_params.req_line_speed[idx] =
8236 SPEED_AUTO_NEG;
8237 bp->port.advertising[idx] =
8238 bp->port.supported[idx];
8239 break;
8240 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008241
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008242 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008243 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008244 if ((bp->link_params.req_flow_ctrl[idx] ==
8245 BNX2X_FLOW_CTRL_AUTO) &&
8246 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8247 bp->link_params.req_flow_ctrl[idx] =
8248 BNX2X_FLOW_CTRL_NONE;
8249 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008250
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008251 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8252 " 0x%x advertising 0x%x\n",
8253 bp->link_params.req_line_speed[idx],
8254 bp->link_params.req_duplex[idx],
8255 bp->link_params.req_flow_ctrl[idx],
8256 bp->port.advertising[idx]);
8257 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008258}
8259
Michael Chane665bfd2009-10-10 13:46:54 +00008260static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8261{
8262 mac_hi = cpu_to_be16(mac_hi);
8263 mac_lo = cpu_to_be32(mac_lo);
8264 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8265 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8266}
8267
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008268static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008269{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008270 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008271 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008272 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008273
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008274 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008275 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008276
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008277 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008278 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008279
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008280 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008281 SHMEM_RD(bp,
8282 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008283 bp->link_params.speed_cap_mask[1] =
8284 SHMEM_RD(bp,
8285 dev_info.port_hw_config[port].speed_capability_mask2);
8286 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008287 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8288
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008289 bp->port.link_config[1] =
8290 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008291
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008292 bp->link_params.multi_phy_config =
8293 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008294 /* If the device is capable of WoL, set the default state according
8295 * to the HW
8296 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008297 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008298 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8299 (config & PORT_FEATURE_WOL_ENABLED));
8300
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008301 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008302 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008303 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008304 bp->link_params.speed_cap_mask[0],
8305 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008306
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008307 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008308 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008309 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008310 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008311
8312 bnx2x_link_settings_requested(bp);
8313
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008314 /*
8315 * If connected directly, work with the internal PHY, otherwise, work
8316 * with the external PHY
8317 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008318 ext_phy_config =
8319 SHMEM_RD(bp,
8320 dev_info.port_hw_config[port].external_phy_config);
8321 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008322 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008323 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008324
8325 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8326 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8327 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008328 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008329
8330 /*
8331 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8332 * In MF mode, it is set to cover self test cases
8333 */
8334 if (IS_MF(bp))
8335 bp->port.need_hw_lock = 1;
8336 else
8337 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8338 bp->common.shmem_base,
8339 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008340}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008341
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008342#ifdef BCM_CNIC
8343static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8344{
8345 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8346 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8347 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8348 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8349
8350 /* Get the number of maximum allowed iSCSI and FCoE connections */
8351 bp->cnic_eth_dev.max_iscsi_conn =
8352 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8353 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8354
8355 bp->cnic_eth_dev.max_fcoe_conn =
8356 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8357 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8358
8359 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8360 bp->cnic_eth_dev.max_iscsi_conn,
8361 bp->cnic_eth_dev.max_fcoe_conn);
8362
8363 /* If mamimum allowed number of connections is zero -
8364 * disable the feature.
8365 */
8366 if (!bp->cnic_eth_dev.max_iscsi_conn)
8367 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8368
8369 if (!bp->cnic_eth_dev.max_fcoe_conn)
8370 bp->flags |= NO_FCOE_FLAG;
8371}
8372#endif
8373
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008374static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8375{
8376 u32 val, val2;
8377 int func = BP_ABS_FUNC(bp);
8378 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008379#ifdef BCM_CNIC
8380 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8381 u8 *fip_mac = bp->fip_mac;
8382#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008383
8384 if (BP_NOMCP(bp)) {
8385 BNX2X_ERROR("warning: random MAC workaround active\n");
8386 random_ether_addr(bp->dev->dev_addr);
8387 } else if (IS_MF(bp)) {
8388 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8389 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8390 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8391 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8392 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8393
8394#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008395 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8396 * FCoE MAC then the appropriate feature should be disabled.
8397 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008398 if (IS_MF_SI(bp)) {
8399 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8400 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8401 val2 = MF_CFG_RD(bp, func_ext_config[func].
8402 iscsi_mac_addr_upper);
8403 val = MF_CFG_RD(bp, func_ext_config[func].
8404 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008405 BNX2X_DEV_INFO("Read iSCSI MAC: "
8406 "0x%x:0x%04x\n", val2, val);
8407 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008408 } else
8409 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8410
8411 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8412 val2 = MF_CFG_RD(bp, func_ext_config[func].
8413 fcoe_mac_addr_upper);
8414 val = MF_CFG_RD(bp, func_ext_config[func].
8415 fcoe_mac_addr_lower);
8416 BNX2X_DEV_INFO("Read FCoE MAC to "
8417 "0x%x:0x%04x\n", val2, val);
8418 bnx2x_set_mac_buf(fip_mac, val, val2);
8419
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008420 } else
8421 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008422 }
8423#endif
8424 } else {
8425 /* in SF read MACs from port configuration */
8426 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8427 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8428 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8429
8430#ifdef BCM_CNIC
8431 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8432 iscsi_mac_upper);
8433 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8434 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008435 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008436#endif
8437 }
8438
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008439 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8440 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008441
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008442#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008443 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008444 if (!CHIP_IS_E1x(bp)) {
8445 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008446 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8447 else if (!IS_MF(bp))
8448 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008449 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008450
8451 /* Disable iSCSI if MAC configuration is
8452 * invalid.
8453 */
8454 if (!is_valid_ether_addr(iscsi_mac)) {
8455 bp->flags |= NO_ISCSI_FLAG;
8456 memset(iscsi_mac, 0, ETH_ALEN);
8457 }
8458
8459 /* Disable FCoE if MAC configuration is
8460 * invalid.
8461 */
8462 if (!is_valid_ether_addr(fip_mac)) {
8463 bp->flags |= NO_FCOE_FLAG;
8464 memset(bp->fip_mac, 0, ETH_ALEN);
8465 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008466#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008467}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008468
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008469static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8470{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008471 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008472 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008473 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008474 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008475
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008476 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008477
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008478 if (CHIP_IS_E1x(bp)) {
8479 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008480
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008481 bp->igu_dsb_id = DEF_SB_IGU_ID;
8482 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008483 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8484 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008485 } else {
8486 bp->common.int_block = INT_BLOCK_IGU;
8487 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8488 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8489 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8490 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8491 } else
8492 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8493
8494 bnx2x_get_igu_cam_info(bp);
8495
8496 }
8497 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8498 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8499
8500 /*
8501 * Initialize MF configuration
8502 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008503
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008504 bp->mf_ov = 0;
8505 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008506 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008507
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008508 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008509 DP(NETIF_MSG_PROBE,
8510 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8511 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8512 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008513 if (SHMEM2_HAS(bp, mf_cfg_addr))
8514 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8515 else
8516 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008517 offsetof(struct shmem_region, func_mb) +
8518 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008519 /*
8520 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008521 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008522 * 2. MAC address must be legal (check only upper bytes)
8523 * for Switch-Independent mode;
8524 * OVLAN must be legal for Switch-Dependent mode
8525 * 3. SF_MODE configures specific MF mode
8526 */
8527 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8528 /* get mf configuration */
8529 val = SHMEM_RD(bp,
8530 dev_info.shared_feature_config.config);
8531 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008532
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008533 switch (val) {
8534 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8535 val = MF_CFG_RD(bp, func_mf_config[func].
8536 mac_upper);
8537 /* check for legal mac (upper bytes)*/
8538 if (val != 0xffff) {
8539 bp->mf_mode = MULTI_FUNCTION_SI;
8540 bp->mf_config[vn] = MF_CFG_RD(bp,
8541 func_mf_config[func].config);
8542 } else
8543 DP(NETIF_MSG_PROBE, "illegal MAC "
8544 "address for SI\n");
8545 break;
8546 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8547 /* get OV configuration */
8548 val = MF_CFG_RD(bp,
8549 func_mf_config[FUNC_0].e1hov_tag);
8550 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8551
8552 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8553 bp->mf_mode = MULTI_FUNCTION_SD;
8554 bp->mf_config[vn] = MF_CFG_RD(bp,
8555 func_mf_config[func].config);
8556 } else
8557 DP(NETIF_MSG_PROBE, "illegal OV for "
8558 "SD\n");
8559 break;
8560 default:
8561 /* Unknown configuration: reset mf_config */
8562 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008563 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008564 val);
8565 }
8566 }
8567
Eilon Greenstein2691d512009-08-12 08:22:08 +00008568 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008569 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008570
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008571 switch (bp->mf_mode) {
8572 case MULTI_FUNCTION_SD:
8573 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8574 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008575 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008576 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008577 BNX2X_DEV_INFO("MF OV for func %d is %d"
8578 " (0x%04x)\n", func,
8579 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008580 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008581 BNX2X_ERR("No valid MF OV for func %d,"
8582 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008583 rc = -EPERM;
8584 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008585 break;
8586 case MULTI_FUNCTION_SI:
8587 BNX2X_DEV_INFO("func %d is in MF "
8588 "switch-independent mode\n", func);
8589 break;
8590 default:
8591 if (vn) {
8592 BNX2X_ERR("VN %d in single function mode,"
8593 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008594 rc = -EPERM;
8595 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008596 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008597 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008598
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008599 }
8600
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008601 /* adjust igu_sb_cnt to MF for E1x */
8602 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008603 bp->igu_sb_cnt /= E1HVN_MAX;
8604
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008605 /*
8606 * adjust E2 sb count: to be removed when FW will support
8607 * more then 16 L2 clients
8608 */
8609#define MAX_L2_CLIENTS 16
8610 if (CHIP_IS_E2(bp))
8611 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8612 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8613
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008614 if (!BP_NOMCP(bp)) {
8615 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008616
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008617 bp->fw_seq =
8618 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8619 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008620 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8621 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008622
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008623 /* Get MAC addresses */
8624 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008625
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008626#ifdef BCM_CNIC
8627 bnx2x_get_cnic_info(bp);
8628#endif
8629
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008630 return rc;
8631}
8632
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008633static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8634{
8635 int cnt, i, block_end, rodi;
8636 char vpd_data[BNX2X_VPD_LEN+1];
8637 char str_id_reg[VENDOR_ID_LEN+1];
8638 char str_id_cap[VENDOR_ID_LEN+1];
8639 u8 len;
8640
8641 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8642 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8643
8644 if (cnt < BNX2X_VPD_LEN)
8645 goto out_not_found;
8646
8647 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8648 PCI_VPD_LRDT_RO_DATA);
8649 if (i < 0)
8650 goto out_not_found;
8651
8652
8653 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8654 pci_vpd_lrdt_size(&vpd_data[i]);
8655
8656 i += PCI_VPD_LRDT_TAG_SIZE;
8657
8658 if (block_end > BNX2X_VPD_LEN)
8659 goto out_not_found;
8660
8661 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8662 PCI_VPD_RO_KEYWORD_MFR_ID);
8663 if (rodi < 0)
8664 goto out_not_found;
8665
8666 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8667
8668 if (len != VENDOR_ID_LEN)
8669 goto out_not_found;
8670
8671 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8672
8673 /* vendor specific info */
8674 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8675 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8676 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8677 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8678
8679 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8680 PCI_VPD_RO_KEYWORD_VENDOR0);
8681 if (rodi >= 0) {
8682 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8683
8684 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8685
8686 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8687 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8688 bp->fw_ver[len] = ' ';
8689 }
8690 }
8691 return;
8692 }
8693out_not_found:
8694 return;
8695}
8696
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008697static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8698{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008699 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008700 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008701 int rc;
8702
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008703 /* Disable interrupt handling until HW is initialized */
8704 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008705 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008706
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008707 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008708 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008709 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008710#ifdef BCM_CNIC
8711 mutex_init(&bp->cnic_mutex);
8712#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008713
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008714 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008715 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008716
8717 rc = bnx2x_get_hwinfo(bp);
8718
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008719 if (!rc)
8720 rc = bnx2x_alloc_mem_bp(bp);
8721
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008722 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008723
8724 func = BP_FUNC(bp);
8725
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008726 /* need to reset chip if undi was active */
8727 if (!BP_NOMCP(bp))
8728 bnx2x_undi_unload(bp);
8729
8730 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008731 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008732
8733 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008734 dev_err(&bp->pdev->dev, "MCP disabled, "
8735 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008736
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008737 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008738 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008739
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008740 /* Set TPA flags */
8741 if (disable_tpa) {
8742 bp->flags &= ~TPA_ENABLE_FLAG;
8743 bp->dev->features &= ~NETIF_F_LRO;
8744 } else {
8745 bp->flags |= TPA_ENABLE_FLAG;
8746 bp->dev->features |= NETIF_F_LRO;
8747 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008748 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008749
Eilon Greensteina18f5122009-08-12 08:23:26 +00008750 if (CHIP_IS_E1(bp))
8751 bp->dropless_fc = 0;
8752 else
8753 bp->dropless_fc = dropless_fc;
8754
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008755 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008756
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008757 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008758
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008759 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008760 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8761 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008762
Eilon Greenstein87942b42009-02-12 08:36:49 +00008763 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8764 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008765
8766 init_timer(&bp->timer);
8767 bp->timer.expires = jiffies + bp->current_interval;
8768 bp->timer.data = (unsigned long) bp;
8769 bp->timer.function = bnx2x_timer;
8770
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008771 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008772 bnx2x_dcbx_init_params(bp);
8773
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008774 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008775}
8776
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008777
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008778/****************************************************************************
8779* General service functions
8780****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008781
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008782/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008783static int bnx2x_open(struct net_device *dev)
8784{
8785 struct bnx2x *bp = netdev_priv(dev);
8786
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008787 netif_carrier_off(dev);
8788
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008789 bnx2x_set_power_state(bp, PCI_D0);
8790
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008791 if (!bnx2x_reset_is_done(bp)) {
8792 do {
8793 /* Reset MCP mail box sequence if there is on going
8794 * recovery
8795 */
8796 bp->fw_seq = 0;
8797
8798 /* If it's the first function to load and reset done
8799 * is still not cleared it may mean that. We don't
8800 * check the attention state here because it may have
8801 * already been cleared by a "common" reset but we
8802 * shell proceed with "process kill" anyway.
8803 */
8804 if ((bnx2x_get_load_cnt(bp) == 0) &&
8805 bnx2x_trylock_hw_lock(bp,
8806 HW_LOCK_RESOURCE_RESERVED_08) &&
8807 (!bnx2x_leader_reset(bp))) {
8808 DP(NETIF_MSG_HW, "Recovered in open\n");
8809 break;
8810 }
8811
8812 bnx2x_set_power_state(bp, PCI_D3hot);
8813
8814 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8815 " completed yet. Try again later. If u still see this"
8816 " message after a few retries then power cycle is"
8817 " required.\n", bp->dev->name);
8818
8819 return -EAGAIN;
8820 } while (0);
8821 }
8822
8823 bp->recovery_state = BNX2X_RECOVERY_DONE;
8824
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008825 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008826}
8827
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008828/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008829static int bnx2x_close(struct net_device *dev)
8830{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008831 struct bnx2x *bp = netdev_priv(dev);
8832
8833 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008834 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008835 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008836
8837 return 0;
8838}
8839
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008840#define E1_MAX_UC_LIST 29
8841#define E1H_MAX_UC_LIST 30
8842#define E2_MAX_UC_LIST 14
8843static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8844{
8845 if (CHIP_IS_E1(bp))
8846 return E1_MAX_UC_LIST;
8847 else if (CHIP_IS_E1H(bp))
8848 return E1H_MAX_UC_LIST;
8849 else
8850 return E2_MAX_UC_LIST;
8851}
8852
8853
8854static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8855{
8856 if (CHIP_IS_E1(bp))
8857 /* CAM Entries for Port0:
8858 * 0 - prim ETH MAC
8859 * 1 - BCAST MAC
8860 * 2 - iSCSI L2 ring ETH MAC
8861 * 3-31 - UC MACs
8862 *
8863 * Port1 entries are allocated the same way starting from
8864 * entry 32.
8865 */
8866 return 3 + 32 * BP_PORT(bp);
8867 else if (CHIP_IS_E1H(bp)) {
8868 /* CAM Entries:
8869 * 0-7 - prim ETH MAC for each function
8870 * 8-15 - iSCSI L2 ring ETH MAC for each function
8871 * 16 till 255 UC MAC lists for each function
8872 *
8873 * Remark: There is no FCoE support for E1H, thus FCoE related
8874 * MACs are not considered.
8875 */
8876 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8877 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8878 } else {
8879 /* CAM Entries (there is a separate CAM per engine):
8880 * 0-4 - prim ETH MAC for each function
8881 * 4-7 - iSCSI L2 ring ETH MAC for each function
8882 * 8-11 - FIP ucast L2 MAC for each function
8883 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8884 * 16 till 71 UC MAC lists for each function
8885 */
8886 u8 func_idx =
8887 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8888
8889 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8890 bnx2x_max_uc_list(bp) * func_idx;
8891 }
8892}
8893
8894/* set uc list, do not wait as wait implies sleep and
8895 * set_rx_mode can be invoked from non-sleepable context.
8896 *
8897 * Instead we use the same ramrod data buffer each time we need
8898 * to configure a list of addresses, and use the fact that the
8899 * list of MACs is changed in an incremental way and that the
8900 * function is called under the netif_addr_lock. A temporary
8901 * inconsistent CAM configuration (possible in case of very fast
8902 * sequence of add/del/add on the host side) will shortly be
8903 * restored by the handler of the last ramrod.
8904 */
8905static int bnx2x_set_uc_list(struct bnx2x *bp)
8906{
8907 int i = 0, old;
8908 struct net_device *dev = bp->dev;
8909 u8 offset = bnx2x_uc_list_cam_offset(bp);
8910 struct netdev_hw_addr *ha;
8911 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8912 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8913
8914 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8915 return -EINVAL;
8916
8917 netdev_for_each_uc_addr(ha, dev) {
8918 /* copy mac */
8919 config_cmd->config_table[i].msb_mac_addr =
8920 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8921 config_cmd->config_table[i].middle_mac_addr =
8922 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8923 config_cmd->config_table[i].lsb_mac_addr =
8924 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8925
8926 config_cmd->config_table[i].vlan_id = 0;
8927 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8928 config_cmd->config_table[i].clients_bit_vector =
8929 cpu_to_le32(1 << BP_L_ID(bp));
8930
8931 SET_FLAG(config_cmd->config_table[i].flags,
8932 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8933 T_ETH_MAC_COMMAND_SET);
8934
8935 DP(NETIF_MSG_IFUP,
8936 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8937 config_cmd->config_table[i].msb_mac_addr,
8938 config_cmd->config_table[i].middle_mac_addr,
8939 config_cmd->config_table[i].lsb_mac_addr);
8940
8941 i++;
8942
8943 /* Set uc MAC in NIG */
8944 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8945 LLH_CAM_ETH_LINE + i);
8946 }
8947 old = config_cmd->hdr.length;
8948 if (old > i) {
8949 for (; i < old; i++) {
8950 if (CAM_IS_INVALID(config_cmd->
8951 config_table[i])) {
8952 /* already invalidated */
8953 break;
8954 }
8955 /* invalidate */
8956 SET_FLAG(config_cmd->config_table[i].flags,
8957 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8958 T_ETH_MAC_COMMAND_INVALIDATE);
8959 }
8960 }
8961
8962 wmb();
8963
8964 config_cmd->hdr.length = i;
8965 config_cmd->hdr.offset = offset;
8966 config_cmd->hdr.client_id = 0xff;
8967 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8968 * synchronization.
8969 */
8970 config_cmd->hdr.echo = 0;
8971
8972 mb();
8973
8974 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8975 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8976
8977}
8978
8979void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8980{
8981 int i;
8982 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8983 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8984 int ramrod_flags = WAIT_RAMROD_COMMON;
8985 u8 offset = bnx2x_uc_list_cam_offset(bp);
8986 u8 max_list_size = bnx2x_max_uc_list(bp);
8987
8988 for (i = 0; i < max_list_size; i++) {
8989 SET_FLAG(config_cmd->config_table[i].flags,
8990 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8991 T_ETH_MAC_COMMAND_INVALIDATE);
8992 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8993 }
8994
8995 wmb();
8996
8997 config_cmd->hdr.length = max_list_size;
8998 config_cmd->hdr.offset = offset;
8999 config_cmd->hdr.client_id = 0xff;
9000 /* We'll wait for a completion this time... */
9001 config_cmd->hdr.echo = 1;
9002
9003 bp->set_mac_pending = 1;
9004
9005 mb();
9006
9007 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
9008 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
9009
9010 /* Wait for a completion */
9011 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
9012 ramrod_flags);
9013
9014}
9015
9016static inline int bnx2x_set_mc_list(struct bnx2x *bp)
9017{
9018 /* some multicasts */
9019 if (CHIP_IS_E1(bp)) {
9020 return bnx2x_set_e1_mc_list(bp);
9021 } else { /* E1H and newer */
9022 return bnx2x_set_e1h_mc_list(bp);
9023 }
9024}
9025
Eilon Greensteinf5372252009-02-12 08:38:30 +00009026/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009027void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009028{
9029 struct bnx2x *bp = netdev_priv(dev);
9030 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009031
9032 if (bp->state != BNX2X_STATE_OPEN) {
9033 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9034 return;
9035 }
9036
9037 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9038
9039 if (dev->flags & IFF_PROMISC)
9040 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009041 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009042 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009043 else {
9044 /* some multicasts */
9045 if (bnx2x_set_mc_list(bp))
9046 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009047
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009048 /* some unicasts */
9049 if (bnx2x_set_uc_list(bp))
9050 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009051 }
9052
9053 bp->rx_mode = rx_mode;
9054 bnx2x_set_storm_rx_mode(bp);
9055}
9056
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009057/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009058static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9059 int devad, u16 addr)
9060{
9061 struct bnx2x *bp = netdev_priv(netdev);
9062 u16 value;
9063 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009064
9065 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9066 prtad, devad, addr);
9067
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009068 /* The HW expects different devad if CL22 is used */
9069 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9070
9071 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009072 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009073 bnx2x_release_phy_lock(bp);
9074 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9075
9076 if (!rc)
9077 rc = value;
9078 return rc;
9079}
9080
9081/* called with rtnl_lock */
9082static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9083 u16 addr, u16 value)
9084{
9085 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009086 int rc;
9087
9088 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9089 " value 0x%x\n", prtad, devad, addr, value);
9090
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009091 /* The HW expects different devad if CL22 is used */
9092 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9093
9094 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009095 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009096 bnx2x_release_phy_lock(bp);
9097 return rc;
9098}
9099
9100/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009101static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9102{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009103 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009104 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009105
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009106 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9107 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009108
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009109 if (!netif_running(dev))
9110 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009111
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009112 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009113}
9114
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009115#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009116static void poll_bnx2x(struct net_device *dev)
9117{
9118 struct bnx2x *bp = netdev_priv(dev);
9119
9120 disable_irq(bp->pdev->irq);
9121 bnx2x_interrupt(bp->pdev->irq, dev);
9122 enable_irq(bp->pdev->irq);
9123}
9124#endif
9125
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009126static const struct net_device_ops bnx2x_netdev_ops = {
9127 .ndo_open = bnx2x_open,
9128 .ndo_stop = bnx2x_close,
9129 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009130 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009131 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009132 .ndo_set_mac_address = bnx2x_change_mac_addr,
9133 .ndo_validate_addr = eth_validate_addr,
9134 .ndo_do_ioctl = bnx2x_ioctl,
9135 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009136 .ndo_fix_features = bnx2x_fix_features,
9137 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009138 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009139#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009140 .ndo_poll_controller = poll_bnx2x,
9141#endif
9142};
9143
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009144static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9145 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009146{
9147 struct bnx2x *bp;
9148 int rc;
9149
9150 SET_NETDEV_DEV(dev, &pdev->dev);
9151 bp = netdev_priv(dev);
9152
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009153 bp->dev = dev;
9154 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009155 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009156 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009157
9158 rc = pci_enable_device(pdev);
9159 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009160 dev_err(&bp->pdev->dev,
9161 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009162 goto err_out;
9163 }
9164
9165 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009166 dev_err(&bp->pdev->dev,
9167 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009168 rc = -ENODEV;
9169 goto err_out_disable;
9170 }
9171
9172 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009173 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9174 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009175 rc = -ENODEV;
9176 goto err_out_disable;
9177 }
9178
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009179 if (atomic_read(&pdev->enable_cnt) == 1) {
9180 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9181 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009182 dev_err(&bp->pdev->dev,
9183 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009184 goto err_out_disable;
9185 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009186
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009187 pci_set_master(pdev);
9188 pci_save_state(pdev);
9189 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009190
9191 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9192 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009193 dev_err(&bp->pdev->dev,
9194 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009195 rc = -EIO;
9196 goto err_out_release;
9197 }
9198
9199 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9200 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009201 dev_err(&bp->pdev->dev,
9202 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009203 rc = -EIO;
9204 goto err_out_release;
9205 }
9206
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009207 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009208 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009209 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009210 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9211 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009212 rc = -EIO;
9213 goto err_out_release;
9214 }
9215
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009216 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009217 dev_err(&bp->pdev->dev,
9218 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009219 rc = -EIO;
9220 goto err_out_release;
9221 }
9222
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009223 dev->mem_start = pci_resource_start(pdev, 0);
9224 dev->base_addr = dev->mem_start;
9225 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009226
9227 dev->irq = pdev->irq;
9228
Arjan van de Ven275f1652008-10-20 21:42:39 -07009229 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009230 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009231 dev_err(&bp->pdev->dev,
9232 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009233 rc = -ENOMEM;
9234 goto err_out_release;
9235 }
9236
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009237 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009238 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009239 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009240 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009241 dev_err(&bp->pdev->dev,
9242 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009243 rc = -ENOMEM;
9244 goto err_out_unmap;
9245 }
9246
9247 bnx2x_set_power_state(bp, PCI_D0);
9248
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009249 /* clean indirect addresses */
9250 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9251 PCICFG_VENDOR_ID_OFFSET);
9252 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9253 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9254 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9255 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009256
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009257 /* Reset the load counter */
9258 bnx2x_clear_load_cnt(bp);
9259
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009260 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009261
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009262 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009263 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009264
9265 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9266 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9267 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9268
9269 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9270 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9271
9272 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009273 if (bp->flags & USING_DAC_FLAG)
9274 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009275
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009276 /* Add Loopback capability to the device */
9277 dev->hw_features |= NETIF_F_LOOPBACK;
9278
Shmulik Ravid98507672011-02-28 12:19:55 -08009279#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009280 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9281#endif
9282
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009283 /* get_port_hwinfo() will set prtad and mmds properly */
9284 bp->mdio.prtad = MDIO_PRTAD_NONE;
9285 bp->mdio.mmds = 0;
9286 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9287 bp->mdio.dev = dev;
9288 bp->mdio.mdio_read = bnx2x_mdio_read;
9289 bp->mdio.mdio_write = bnx2x_mdio_write;
9290
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009291 return 0;
9292
9293err_out_unmap:
9294 if (bp->regview) {
9295 iounmap(bp->regview);
9296 bp->regview = NULL;
9297 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009298 if (bp->doorbells) {
9299 iounmap(bp->doorbells);
9300 bp->doorbells = NULL;
9301 }
9302
9303err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009304 if (atomic_read(&pdev->enable_cnt) == 1)
9305 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009306
9307err_out_disable:
9308 pci_disable_device(pdev);
9309 pci_set_drvdata(pdev, NULL);
9310
9311err_out:
9312 return rc;
9313}
9314
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009315static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9316 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009317{
9318 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9319
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009320 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9321
9322 /* return value of 1=2.5GHz 2=5GHz */
9323 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009324}
9325
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009326static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009327{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009328 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009329 struct bnx2x_fw_file_hdr *fw_hdr;
9330 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009331 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009332 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009333 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009334 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009335
9336 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9337 return -EINVAL;
9338
9339 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9340 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9341
9342 /* Make sure none of the offsets and sizes make us read beyond
9343 * the end of the firmware data */
9344 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9345 offset = be32_to_cpu(sections[i].offset);
9346 len = be32_to_cpu(sections[i].len);
9347 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009348 dev_err(&bp->pdev->dev,
9349 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009350 return -EINVAL;
9351 }
9352 }
9353
9354 /* Likewise for the init_ops offsets */
9355 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9356 ops_offsets = (u16 *)(firmware->data + offset);
9357 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9358
9359 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9360 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009361 dev_err(&bp->pdev->dev,
9362 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009363 return -EINVAL;
9364 }
9365 }
9366
9367 /* Check FW version */
9368 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9369 fw_ver = firmware->data + offset;
9370 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9371 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9372 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9373 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009374 dev_err(&bp->pdev->dev,
9375 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009376 fw_ver[0], fw_ver[1], fw_ver[2],
9377 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9378 BCM_5710_FW_MINOR_VERSION,
9379 BCM_5710_FW_REVISION_VERSION,
9380 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009381 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009382 }
9383
9384 return 0;
9385}
9386
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009387static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009388{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009389 const __be32 *source = (const __be32 *)_source;
9390 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009391 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009392
9393 for (i = 0; i < n/4; i++)
9394 target[i] = be32_to_cpu(source[i]);
9395}
9396
9397/*
9398 Ops array is stored in the following format:
9399 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9400 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009401static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009402{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009403 const __be32 *source = (const __be32 *)_source;
9404 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009405 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009406
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009407 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009408 tmp = be32_to_cpu(source[j]);
9409 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009410 target[i].offset = tmp & 0xffffff;
9411 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009412 }
9413}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009414
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009415/**
9416 * IRO array is stored in the following format:
9417 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9418 */
9419static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9420{
9421 const __be32 *source = (const __be32 *)_source;
9422 struct iro *target = (struct iro *)_target;
9423 u32 i, j, tmp;
9424
9425 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9426 target[i].base = be32_to_cpu(source[j]);
9427 j++;
9428 tmp = be32_to_cpu(source[j]);
9429 target[i].m1 = (tmp >> 16) & 0xffff;
9430 target[i].m2 = tmp & 0xffff;
9431 j++;
9432 tmp = be32_to_cpu(source[j]);
9433 target[i].m3 = (tmp >> 16) & 0xffff;
9434 target[i].size = tmp & 0xffff;
9435 j++;
9436 }
9437}
9438
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009439static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009440{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009441 const __be16 *source = (const __be16 *)_source;
9442 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009443 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009444
9445 for (i = 0; i < n/2; i++)
9446 target[i] = be16_to_cpu(source[i]);
9447}
9448
Joe Perches7995c642010-02-17 15:01:52 +00009449#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9450do { \
9451 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9452 bp->arr = kmalloc(len, GFP_KERNEL); \
9453 if (!bp->arr) { \
9454 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9455 goto lbl; \
9456 } \
9457 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9458 (u8 *)bp->arr, len); \
9459} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009460
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009461int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009462{
Ben Hutchings45229b42009-11-07 11:53:39 +00009463 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009464 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009465 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009466
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009467 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009468 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009469 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009470 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009471 else if (CHIP_IS_E2(bp))
9472 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009473 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009474 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009475 return -EINVAL;
9476 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009477
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009478 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009479
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009480 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009481 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009482 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009483 goto request_firmware_exit;
9484 }
9485
9486 rc = bnx2x_check_firmware(bp);
9487 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009488 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009489 goto request_firmware_exit;
9490 }
9491
9492 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9493
9494 /* Initialize the pointers to the init arrays */
9495 /* Blob */
9496 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9497
9498 /* Opcodes */
9499 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9500
9501 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009502 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9503 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009504
9505 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009506 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9507 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9508 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9509 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9510 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9511 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9512 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9513 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9514 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9515 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9516 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9517 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9518 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9519 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9520 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9521 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009522 /* IRO */
9523 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009524
9525 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009526
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009527iro_alloc_err:
9528 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009529init_offsets_alloc_err:
9530 kfree(bp->init_ops);
9531init_ops_alloc_err:
9532 kfree(bp->init_data);
9533request_firmware_exit:
9534 release_firmware(bp->firmware);
9535
9536 return rc;
9537}
9538
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009539static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9540{
9541 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009542
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009543#ifdef BCM_CNIC
9544 cid_count += CNIC_CID_MAX;
9545#endif
9546 return roundup(cid_count, QM_CID_ROUND);
9547}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009548
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009549static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9550 const struct pci_device_id *ent)
9551{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009552 struct net_device *dev = NULL;
9553 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009554 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009555 int rc, cid_count;
9556
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009557 switch (ent->driver_data) {
9558 case BCM57710:
9559 case BCM57711:
9560 case BCM57711E:
9561 cid_count = FP_SB_MAX_E1x;
9562 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009563
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009564 case BCM57712:
9565 case BCM57712E:
9566 cid_count = FP_SB_MAX_E2;
9567 break;
9568
9569 default:
9570 pr_err("Unknown board_type (%ld), aborting\n",
9571 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009572 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009573 }
9574
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009575 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009576
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009577 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009578 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009579 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009580 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009581 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009582 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009583
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009584 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009585 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009586
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009587 pci_set_drvdata(pdev, dev);
9588
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009589 bp->l2_cid_count = cid_count;
9590
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009591 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009592 if (rc < 0) {
9593 free_netdev(dev);
9594 return rc;
9595 }
9596
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009597 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009598 if (rc)
9599 goto init_one_exit;
9600
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009601 /* calc qm_cid_count */
9602 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9603
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009604#ifdef BCM_CNIC
9605 /* disable FCOE L2 queue for E1x*/
9606 if (CHIP_IS_E1x(bp))
9607 bp->flags |= NO_FCOE_FLAG;
9608
9609#endif
9610
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009611 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009612 * needed, set bp->num_queues appropriately.
9613 */
9614 bnx2x_set_int_mode(bp);
9615
9616 /* Add all NAPI objects */
9617 bnx2x_add_all_napi(bp);
9618
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009619 rc = register_netdev(dev);
9620 if (rc) {
9621 dev_err(&pdev->dev, "Cannot register net device\n");
9622 goto init_one_exit;
9623 }
9624
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009625#ifdef BCM_CNIC
9626 if (!NO_FCOE(bp)) {
9627 /* Add storage MAC address */
9628 rtnl_lock();
9629 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9630 rtnl_unlock();
9631 }
9632#endif
9633
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009634 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009635
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009636 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9637 " IRQ %d, ", board_info[ent->driver_data].name,
9638 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009639 pcie_width,
9640 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9641 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9642 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009643 dev->base_addr, bp->pdev->irq);
9644 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009645
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009646 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009647
9648init_one_exit:
9649 if (bp->regview)
9650 iounmap(bp->regview);
9651
9652 if (bp->doorbells)
9653 iounmap(bp->doorbells);
9654
9655 free_netdev(dev);
9656
9657 if (atomic_read(&pdev->enable_cnt) == 1)
9658 pci_release_regions(pdev);
9659
9660 pci_disable_device(pdev);
9661 pci_set_drvdata(pdev, NULL);
9662
9663 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009664}
9665
9666static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9667{
9668 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009669 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009670
Eliezer Tamir228241e2008-02-28 11:56:57 -08009671 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009672 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009673 return;
9674 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009675 bp = netdev_priv(dev);
9676
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009677#ifdef BCM_CNIC
9678 /* Delete storage MAC address */
9679 if (!NO_FCOE(bp)) {
9680 rtnl_lock();
9681 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9682 rtnl_unlock();
9683 }
9684#endif
9685
Shmulik Ravid98507672011-02-28 12:19:55 -08009686#ifdef BCM_DCBNL
9687 /* Delete app tlvs from dcbnl */
9688 bnx2x_dcbnl_update_applist(bp, true);
9689#endif
9690
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009691 unregister_netdev(dev);
9692
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009693 /* Delete all NAPI objects */
9694 bnx2x_del_all_napi(bp);
9695
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009696 /* Power on: we can't let PCI layer write to us while we are in D3 */
9697 bnx2x_set_power_state(bp, PCI_D0);
9698
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009699 /* Disable MSI/MSI-X */
9700 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009701
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009702 /* Power off */
9703 bnx2x_set_power_state(bp, PCI_D3hot);
9704
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009705 /* Make sure RESET task is not scheduled before continuing */
9706 cancel_delayed_work_sync(&bp->reset_task);
9707
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009708 if (bp->regview)
9709 iounmap(bp->regview);
9710
9711 if (bp->doorbells)
9712 iounmap(bp->doorbells);
9713
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009714 bnx2x_free_mem_bp(bp);
9715
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009716 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009717
9718 if (atomic_read(&pdev->enable_cnt) == 1)
9719 pci_release_regions(pdev);
9720
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009721 pci_disable_device(pdev);
9722 pci_set_drvdata(pdev, NULL);
9723}
9724
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009725static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9726{
9727 int i;
9728
9729 bp->state = BNX2X_STATE_ERROR;
9730
9731 bp->rx_mode = BNX2X_RX_MODE_NONE;
9732
9733 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009734 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009735
9736 del_timer_sync(&bp->timer);
9737 bp->stats_state = STATS_STATE_DISABLED;
9738 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9739
9740 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009741 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009742
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009743 /* Free SKBs, SGEs, TPA pool and driver internals */
9744 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009745
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009746 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009747 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009748
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009749 bnx2x_free_mem(bp);
9750
9751 bp->state = BNX2X_STATE_CLOSED;
9752
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009753 return 0;
9754}
9755
9756static void bnx2x_eeh_recover(struct bnx2x *bp)
9757{
9758 u32 val;
9759
9760 mutex_init(&bp->port.phy_mutex);
9761
9762 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9763 bp->link_params.shmem_base = bp->common.shmem_base;
9764 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9765
9766 if (!bp->common.shmem_base ||
9767 (bp->common.shmem_base < 0xA0000) ||
9768 (bp->common.shmem_base >= 0xC0000)) {
9769 BNX2X_DEV_INFO("MCP not active\n");
9770 bp->flags |= NO_MCP_FLAG;
9771 return;
9772 }
9773
9774 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9775 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9776 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9777 BNX2X_ERR("BAD MCP validity signature\n");
9778
9779 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009780 bp->fw_seq =
9781 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9782 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009783 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9784 }
9785}
9786
Wendy Xiong493adb12008-06-23 20:36:22 -07009787/**
9788 * bnx2x_io_error_detected - called when PCI error is detected
9789 * @pdev: Pointer to PCI device
9790 * @state: The current pci connection state
9791 *
9792 * This function is called after a PCI bus error affecting
9793 * this device has been detected.
9794 */
9795static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9796 pci_channel_state_t state)
9797{
9798 struct net_device *dev = pci_get_drvdata(pdev);
9799 struct bnx2x *bp = netdev_priv(dev);
9800
9801 rtnl_lock();
9802
9803 netif_device_detach(dev);
9804
Dean Nelson07ce50e2009-07-31 09:13:25 +00009805 if (state == pci_channel_io_perm_failure) {
9806 rtnl_unlock();
9807 return PCI_ERS_RESULT_DISCONNECT;
9808 }
9809
Wendy Xiong493adb12008-06-23 20:36:22 -07009810 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009811 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009812
9813 pci_disable_device(pdev);
9814
9815 rtnl_unlock();
9816
9817 /* Request a slot reset */
9818 return PCI_ERS_RESULT_NEED_RESET;
9819}
9820
9821/**
9822 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9823 * @pdev: Pointer to PCI device
9824 *
9825 * Restart the card from scratch, as if from a cold-boot.
9826 */
9827static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9828{
9829 struct net_device *dev = pci_get_drvdata(pdev);
9830 struct bnx2x *bp = netdev_priv(dev);
9831
9832 rtnl_lock();
9833
9834 if (pci_enable_device(pdev)) {
9835 dev_err(&pdev->dev,
9836 "Cannot re-enable PCI device after reset\n");
9837 rtnl_unlock();
9838 return PCI_ERS_RESULT_DISCONNECT;
9839 }
9840
9841 pci_set_master(pdev);
9842 pci_restore_state(pdev);
9843
9844 if (netif_running(dev))
9845 bnx2x_set_power_state(bp, PCI_D0);
9846
9847 rtnl_unlock();
9848
9849 return PCI_ERS_RESULT_RECOVERED;
9850}
9851
9852/**
9853 * bnx2x_io_resume - called when traffic can start flowing again
9854 * @pdev: Pointer to PCI device
9855 *
9856 * This callback is called when the error recovery driver tells us that
9857 * its OK to resume normal operation.
9858 */
9859static void bnx2x_io_resume(struct pci_dev *pdev)
9860{
9861 struct net_device *dev = pci_get_drvdata(pdev);
9862 struct bnx2x *bp = netdev_priv(dev);
9863
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009864 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009865 printk(KERN_ERR "Handling parity error recovery. "
9866 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009867 return;
9868 }
9869
Wendy Xiong493adb12008-06-23 20:36:22 -07009870 rtnl_lock();
9871
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009872 bnx2x_eeh_recover(bp);
9873
Wendy Xiong493adb12008-06-23 20:36:22 -07009874 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009875 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009876
9877 netif_device_attach(dev);
9878
9879 rtnl_unlock();
9880}
9881
9882static struct pci_error_handlers bnx2x_err_handler = {
9883 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009884 .slot_reset = bnx2x_io_slot_reset,
9885 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009886};
9887
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009888static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009889 .name = DRV_MODULE_NAME,
9890 .id_table = bnx2x_pci_tbl,
9891 .probe = bnx2x_init_one,
9892 .remove = __devexit_p(bnx2x_remove_one),
9893 .suspend = bnx2x_suspend,
9894 .resume = bnx2x_resume,
9895 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009896};
9897
9898static int __init bnx2x_init(void)
9899{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009900 int ret;
9901
Joe Perches7995c642010-02-17 15:01:52 +00009902 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009903
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009904 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9905 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009906 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009907 return -ENOMEM;
9908 }
9909
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009910 ret = pci_register_driver(&bnx2x_pci_driver);
9911 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009912 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009913 destroy_workqueue(bnx2x_wq);
9914 }
9915 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009916}
9917
9918static void __exit bnx2x_cleanup(void)
9919{
9920 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009921
9922 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009923}
9924
9925module_init(bnx2x_init);
9926module_exit(bnx2x_cleanup);
9927
Michael Chan993ac7b2009-10-10 13:46:56 +00009928#ifdef BCM_CNIC
9929
9930/* count denotes the number of new completions we have seen */
9931static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9932{
9933 struct eth_spe *spe;
9934
9935#ifdef BNX2X_STOP_ON_ERROR
9936 if (unlikely(bp->panic))
9937 return;
9938#endif
9939
9940 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009941 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009942 bp->cnic_spq_pending -= count;
9943
Michael Chan993ac7b2009-10-10 13:46:56 +00009944
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009945 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9946 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9947 & SPE_HDR_CONN_TYPE) >>
9948 SPE_HDR_CONN_TYPE_SHIFT;
9949
9950 /* Set validation for iSCSI L2 client before sending SETUP
9951 * ramrod
9952 */
9953 if (type == ETH_CONNECTION_TYPE) {
9954 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9955 hdr.conn_and_cmd_data) >>
9956 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9957
9958 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9959 bnx2x_set_ctx_validation(&bp->context.
9960 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9961 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9962 }
9963
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009964 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9965 * We also check that the number of outstanding
9966 * COMMON ramrods is not more than the EQ and SPQ can
9967 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009968 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009969 if (type == ETH_CONNECTION_TYPE) {
9970 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009971 break;
9972 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009973 atomic_dec(&bp->cq_spq_left);
9974 } else if (type == NONE_CONNECTION_TYPE) {
9975 if (!atomic_read(&bp->eq_spq_left))
9976 break;
9977 else
9978 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009979 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9980 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009981 if (bp->cnic_spq_pending >=
9982 bp->cnic_eth_dev.max_kwqe_pending)
9983 break;
9984 else
9985 bp->cnic_spq_pending++;
9986 } else {
9987 BNX2X_ERR("Unknown SPE type: %d\n", type);
9988 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009989 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009990 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009991
9992 spe = bnx2x_sp_get_next(bp);
9993 *spe = *bp->cnic_kwq_cons;
9994
Michael Chan993ac7b2009-10-10 13:46:56 +00009995 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9996 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9997
9998 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9999 bp->cnic_kwq_cons = bp->cnic_kwq;
10000 else
10001 bp->cnic_kwq_cons++;
10002 }
10003 bnx2x_sp_prod_update(bp);
10004 spin_unlock_bh(&bp->spq_lock);
10005}
10006
10007static int bnx2x_cnic_sp_queue(struct net_device *dev,
10008 struct kwqe_16 *kwqes[], u32 count)
10009{
10010 struct bnx2x *bp = netdev_priv(dev);
10011 int i;
10012
10013#ifdef BNX2X_STOP_ON_ERROR
10014 if (unlikely(bp->panic))
10015 return -EIO;
10016#endif
10017
10018 spin_lock_bh(&bp->spq_lock);
10019
10020 for (i = 0; i < count; i++) {
10021 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
10022
10023 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
10024 break;
10025
10026 *bp->cnic_kwq_prod = *spe;
10027
10028 bp->cnic_kwq_pending++;
10029
10030 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
10031 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010032 spe->data.update_data_addr.hi,
10033 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000010034 bp->cnic_kwq_pending);
10035
10036 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
10037 bp->cnic_kwq_prod = bp->cnic_kwq;
10038 else
10039 bp->cnic_kwq_prod++;
10040 }
10041
10042 spin_unlock_bh(&bp->spq_lock);
10043
10044 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
10045 bnx2x_cnic_sp_post(bp, 0);
10046
10047 return i;
10048}
10049
10050static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10051{
10052 struct cnic_ops *c_ops;
10053 int rc = 0;
10054
10055 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000010056 c_ops = rcu_dereference_protected(bp->cnic_ops,
10057 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000010058 if (c_ops)
10059 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10060 mutex_unlock(&bp->cnic_mutex);
10061
10062 return rc;
10063}
10064
10065static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10066{
10067 struct cnic_ops *c_ops;
10068 int rc = 0;
10069
10070 rcu_read_lock();
10071 c_ops = rcu_dereference(bp->cnic_ops);
10072 if (c_ops)
10073 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10074 rcu_read_unlock();
10075
10076 return rc;
10077}
10078
10079/*
10080 * for commands that have no data
10081 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010082int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010083{
10084 struct cnic_ctl_info ctl = {0};
10085
10086 ctl.cmd = cmd;
10087
10088 return bnx2x_cnic_ctl_send(bp, &ctl);
10089}
10090
10091static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10092{
10093 struct cnic_ctl_info ctl;
10094
10095 /* first we tell CNIC and only then we count this as a completion */
10096 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10097 ctl.data.comp.cid = cid;
10098
10099 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010100 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010101}
10102
10103static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10104{
10105 struct bnx2x *bp = netdev_priv(dev);
10106 int rc = 0;
10107
10108 switch (ctl->cmd) {
10109 case DRV_CTL_CTXTBL_WR_CMD: {
10110 u32 index = ctl->data.io.offset;
10111 dma_addr_t addr = ctl->data.io.dma_addr;
10112
10113 bnx2x_ilt_wr(bp, index, addr);
10114 break;
10115 }
10116
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010117 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10118 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010119
10120 bnx2x_cnic_sp_post(bp, count);
10121 break;
10122 }
10123
10124 /* rtnl_lock is held. */
10125 case DRV_CTL_START_L2_CMD: {
10126 u32 cli = ctl->data.ring.client_id;
10127
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010128 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10129 bnx2x_del_fcoe_eth_macs(bp);
10130
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010131 /* Set iSCSI MAC address */
10132 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10133
10134 mmiowb();
10135 barrier();
10136
10137 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10138 * because it's the only way for UIO Client to accept
10139 * multicasts (in non-promiscuous mode only one Client per
10140 * function will receive multicast packets (leading in our
10141 * case).
10142 */
10143 bnx2x_rxq_set_mac_filters(bp, cli,
10144 BNX2X_ACCEPT_UNICAST |
10145 BNX2X_ACCEPT_BROADCAST |
10146 BNX2X_ACCEPT_ALL_MULTICAST);
10147 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10148
Michael Chan993ac7b2009-10-10 13:46:56 +000010149 break;
10150 }
10151
10152 /* rtnl_lock is held. */
10153 case DRV_CTL_STOP_L2_CMD: {
10154 u32 cli = ctl->data.ring.client_id;
10155
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010156 /* Stop accepting on iSCSI L2 ring */
10157 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10158 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10159
10160 mmiowb();
10161 barrier();
10162
10163 /* Unset iSCSI L2 MAC */
10164 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010165 break;
10166 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010167 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10168 int count = ctl->data.credit.credit_count;
10169
10170 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010171 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010172 smp_mb__after_atomic_inc();
10173 break;
10174 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010175
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010176 case DRV_CTL_ISCSI_STOPPED_CMD: {
10177 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10178 break;
10179 }
10180
Michael Chan993ac7b2009-10-10 13:46:56 +000010181 default:
10182 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10183 rc = -EINVAL;
10184 }
10185
10186 return rc;
10187}
10188
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010189void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010190{
10191 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10192
10193 if (bp->flags & USING_MSIX_FLAG) {
10194 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10195 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10196 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10197 } else {
10198 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10199 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10200 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010201 if (CHIP_IS_E2(bp))
10202 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10203 else
10204 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10205
Michael Chan993ac7b2009-10-10 13:46:56 +000010206 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010207 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010208 cp->irq_arr[1].status_blk = bp->def_status_blk;
10209 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010210 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010211
10212 cp->num_irq = 2;
10213}
10214
10215static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10216 void *data)
10217{
10218 struct bnx2x *bp = netdev_priv(dev);
10219 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10220
10221 if (ops == NULL)
10222 return -EINVAL;
10223
10224 if (atomic_read(&bp->intr_sem) != 0)
10225 return -EBUSY;
10226
10227 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10228 if (!bp->cnic_kwq)
10229 return -ENOMEM;
10230
10231 bp->cnic_kwq_cons = bp->cnic_kwq;
10232 bp->cnic_kwq_prod = bp->cnic_kwq;
10233 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10234
10235 bp->cnic_spq_pending = 0;
10236 bp->cnic_kwq_pending = 0;
10237
10238 bp->cnic_data = data;
10239
10240 cp->num_irq = 0;
10241 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010242 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010243
Michael Chan993ac7b2009-10-10 13:46:56 +000010244 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010245
Michael Chan993ac7b2009-10-10 13:46:56 +000010246 rcu_assign_pointer(bp->cnic_ops, ops);
10247
10248 return 0;
10249}
10250
10251static int bnx2x_unregister_cnic(struct net_device *dev)
10252{
10253 struct bnx2x *bp = netdev_priv(dev);
10254 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10255
10256 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010257 cp->drv_state = 0;
10258 rcu_assign_pointer(bp->cnic_ops, NULL);
10259 mutex_unlock(&bp->cnic_mutex);
10260 synchronize_rcu();
10261 kfree(bp->cnic_kwq);
10262 bp->cnic_kwq = NULL;
10263
10264 return 0;
10265}
10266
10267struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10268{
10269 struct bnx2x *bp = netdev_priv(dev);
10270 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10271
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010272 /* If both iSCSI and FCoE are disabled - return NULL in
10273 * order to indicate CNIC that it should not try to work
10274 * with this device.
10275 */
10276 if (NO_ISCSI(bp) && NO_FCOE(bp))
10277 return NULL;
10278
Michael Chan993ac7b2009-10-10 13:46:56 +000010279 cp->drv_owner = THIS_MODULE;
10280 cp->chip_id = CHIP_ID(bp);
10281 cp->pdev = bp->pdev;
10282 cp->io_base = bp->regview;
10283 cp->io_base2 = bp->doorbells;
10284 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010285 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010286 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10287 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010288 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010289 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010290 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10291 cp->drv_ctl = bnx2x_drv_ctl;
10292 cp->drv_register_cnic = bnx2x_register_cnic;
10293 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010294 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10295 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10296 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010297 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010298
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010299 if (NO_ISCSI_OOO(bp))
10300 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10301
10302 if (NO_ISCSI(bp))
10303 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10304
10305 if (NO_FCOE(bp))
10306 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10307
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010308 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10309 "starting cid %d\n",
10310 cp->ctx_blk_size,
10311 cp->ctx_tbl_offset,
10312 cp->ctx_tbl_len,
10313 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010314 return cp;
10315}
10316EXPORT_SYMBOL(bnx2x_cnic_probe);
10317
10318#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010319