blob: 04976dbd63ff93b994ed00689fcb37f29711ad85 [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>
David S. Miller7ab24bf2011-06-29 05:48:41 -070052#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000054#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020055#include "bnx2x.h"
56#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070057#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000058#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000059#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020060
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070061#include <linux/firmware.h>
62#include "bnx2x_fw_file_hdr.h"
63/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000064#define FW_FILE_VERSION \
65 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
66 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
67 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
68 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000069#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
70#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000071#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070072
Eilon Greenstein34f80b02008-06-23 20:33:01 -070073/* Time in jiffies before concluding the transmitter is hung */
74#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020075
Andrew Morton53a10562008-02-09 23:16:41 -080076static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070077 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020078 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
79
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070080MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000081MODULE_DESCRIPTION("Broadcom NetXtreme II "
82 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020083MODULE_LICENSE("GPL");
84MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000085MODULE_FIRMWARE(FW_FILE_NAME_E1);
86MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000087MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020088
Eilon Greenstein555f6c72009-02-12 08:36:11 +000089static int multi_mode = 1;
90module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070091MODULE_PARM_DESC(multi_mode, " Multi queue mode "
92 "(0 Disable; 1 Enable (default))");
93
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000094int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000095module_param(num_queues, int, 0);
96MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
97 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000098
Eilon Greenstein19680c42008-08-13 15:47:33 -070099static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700100module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000101MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000102
103static int int_mode;
104module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000105MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
106 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000107
Eilon Greensteina18f5122009-08-12 08:23:26 +0000108static int dropless_fc;
109module_param(dropless_fc, int, 0);
110MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
111
Eilon Greenstein9898f862009-02-12 08:38:27 +0000112static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200113module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000114MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000115
116static int mrrs = -1;
117module_param(mrrs, int, 0);
118MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
119
Eilon Greenstein9898f862009-02-12 08:38:27 +0000120static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200121module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122MODULE_PARM_DESC(debug, " Default debug msglevel");
123
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800124static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200125
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000126#ifdef BCM_CNIC
127static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
128#endif
129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200130enum bnx2x_board_type {
131 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700132 BCM57711 = 1,
133 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000134 BCM57712 = 3,
135 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200136};
137
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700138/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800139static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200140 char *name;
141} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700142 { "Broadcom NetXtreme II BCM57710 XGb" },
143 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000144 { "Broadcom NetXtreme II BCM57711E XGb" },
145 { "Broadcom NetXtreme II BCM57712 XGb" },
146 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200147};
148
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000149static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
154 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200155 { 0 }
156};
157
158MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
159
160/****************************************************************************
161* General service functions
162****************************************************************************/
163
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000164static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
165 u32 addr, dma_addr_t mapping)
166{
167 REG_WR(bp, addr, U64_LO(mapping));
168 REG_WR(bp, addr + 4, U64_HI(mapping));
169}
170
171static inline void __storm_memset_fill(struct bnx2x *bp,
172 u32 addr, size_t size, u32 val)
173{
174 int i;
175 for (i = 0; i < size/4; i++)
176 REG_WR(bp, addr + (i * 4), val);
177}
178
179static inline void storm_memset_ustats_zero(struct bnx2x *bp,
180 u8 port, u16 stat_id)
181{
182 size_t size = sizeof(struct ustorm_per_client_stats);
183
184 u32 addr = BAR_USTRORM_INTMEM +
185 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
186
187 __storm_memset_fill(bp, addr, size, 0);
188}
189
190static inline void storm_memset_tstats_zero(struct bnx2x *bp,
191 u8 port, u16 stat_id)
192{
193 size_t size = sizeof(struct tstorm_per_client_stats);
194
195 u32 addr = BAR_TSTRORM_INTMEM +
196 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
197
198 __storm_memset_fill(bp, addr, size, 0);
199}
200
201static inline void storm_memset_xstats_zero(struct bnx2x *bp,
202 u8 port, u16 stat_id)
203{
204 size_t size = sizeof(struct xstorm_per_client_stats);
205
206 u32 addr = BAR_XSTRORM_INTMEM +
207 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
208
209 __storm_memset_fill(bp, addr, size, 0);
210}
211
212
213static inline void storm_memset_spq_addr(struct bnx2x *bp,
214 dma_addr_t mapping, u16 abs_fid)
215{
216 u32 addr = XSEM_REG_FAST_MEMORY +
217 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
218
219 __storm_memset_dma_mapping(bp, addr, mapping);
220}
221
222static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
223{
224 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
225}
226
227static inline void storm_memset_func_cfg(struct bnx2x *bp,
228 struct tstorm_eth_function_common_config *tcfg,
229 u16 abs_fid)
230{
231 size_t size = sizeof(struct tstorm_eth_function_common_config);
232
233 u32 addr = BAR_TSTRORM_INTMEM +
234 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
235
236 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
237}
238
239static inline void storm_memset_xstats_flags(struct bnx2x *bp,
240 struct stats_indication_flags *flags,
241 u16 abs_fid)
242{
243 size_t size = sizeof(struct stats_indication_flags);
244
245 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
246
247 __storm_memset_struct(bp, addr, size, (u32 *)flags);
248}
249
250static inline void storm_memset_tstats_flags(struct bnx2x *bp,
251 struct stats_indication_flags *flags,
252 u16 abs_fid)
253{
254 size_t size = sizeof(struct stats_indication_flags);
255
256 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
257
258 __storm_memset_struct(bp, addr, size, (u32 *)flags);
259}
260
261static inline void storm_memset_ustats_flags(struct bnx2x *bp,
262 struct stats_indication_flags *flags,
263 u16 abs_fid)
264{
265 size_t size = sizeof(struct stats_indication_flags);
266
267 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
268
269 __storm_memset_struct(bp, addr, size, (u32 *)flags);
270}
271
272static inline void storm_memset_cstats_flags(struct bnx2x *bp,
273 struct stats_indication_flags *flags,
274 u16 abs_fid)
275{
276 size_t size = sizeof(struct stats_indication_flags);
277
278 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
279
280 __storm_memset_struct(bp, addr, size, (u32 *)flags);
281}
282
283static inline void storm_memset_xstats_addr(struct bnx2x *bp,
284 dma_addr_t mapping, u16 abs_fid)
285{
286 u32 addr = BAR_XSTRORM_INTMEM +
287 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
288
289 __storm_memset_dma_mapping(bp, addr, mapping);
290}
291
292static inline void storm_memset_tstats_addr(struct bnx2x *bp,
293 dma_addr_t mapping, u16 abs_fid)
294{
295 u32 addr = BAR_TSTRORM_INTMEM +
296 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
297
298 __storm_memset_dma_mapping(bp, addr, mapping);
299}
300
301static inline void storm_memset_ustats_addr(struct bnx2x *bp,
302 dma_addr_t mapping, u16 abs_fid)
303{
304 u32 addr = BAR_USTRORM_INTMEM +
305 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
306
307 __storm_memset_dma_mapping(bp, addr, mapping);
308}
309
310static inline void storm_memset_cstats_addr(struct bnx2x *bp,
311 dma_addr_t mapping, u16 abs_fid)
312{
313 u32 addr = BAR_CSTRORM_INTMEM +
314 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
315
316 __storm_memset_dma_mapping(bp, addr, mapping);
317}
318
319static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
320 u16 pf_id)
321{
322 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
323 pf_id);
324 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
325 pf_id);
326 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
327 pf_id);
328 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
329 pf_id);
330}
331
332static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
333 u8 enable)
334{
335 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
336 enable);
337 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
338 enable);
339 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
340 enable);
341 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
342 enable);
343}
344
345static inline void storm_memset_eq_data(struct bnx2x *bp,
346 struct event_ring_data *eq_data,
347 u16 pfid)
348{
349 size_t size = sizeof(struct event_ring_data);
350
351 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
352
353 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
354}
355
356static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
357 u16 pfid)
358{
359 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
360 REG_WR16(bp, addr, eq_prod);
361}
362
363static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
364 u16 fw_sb_id, u8 sb_index,
365 u8 ticks)
366{
367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000368 int index_offset = CHIP_IS_E2(bp) ?
369 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000370 offsetof(struct hc_status_block_data_e1x, index_data);
371 u32 addr = BAR_CSTRORM_INTMEM +
372 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
373 index_offset +
374 sizeof(struct hc_index_data)*sb_index +
375 offsetof(struct hc_index_data, timeout);
376 REG_WR8(bp, addr, ticks);
377 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
378 port, fw_sb_id, sb_index, ticks);
379}
380static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
381 u16 fw_sb_id, u8 sb_index,
382 u8 disable)
383{
384 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000385 int index_offset = CHIP_IS_E2(bp) ?
386 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000387 offsetof(struct hc_status_block_data_e1x, index_data);
388 u32 addr = BAR_CSTRORM_INTMEM +
389 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
390 index_offset +
391 sizeof(struct hc_index_data)*sb_index +
392 offsetof(struct hc_index_data, flags);
393 u16 flags = REG_RD16(bp, addr);
394 /* clear and set */
395 flags &= ~HC_INDEX_DATA_HC_ENABLED;
396 flags |= enable_flag;
397 REG_WR16(bp, addr, flags);
398 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
399 port, fw_sb_id, sb_index, disable);
400}
401
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200402/* used only at init
403 * locking is done by mcp
404 */
stephen hemminger8d962862010-10-21 07:50:56 +0000405static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200406{
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
409 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
410 PCICFG_VENDOR_ID_OFFSET);
411}
412
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200413static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
414{
415 u32 val;
416
417 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
418 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
419 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
420 PCICFG_VENDOR_ID_OFFSET);
421
422 return val;
423}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000425#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
426#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
427#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
428#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
429#define DMAE_DP_DST_NONE "dst_addr [none]"
430
stephen hemminger8d962862010-10-21 07:50:56 +0000431static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
432 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000433{
434 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
435
436 switch (dmae->opcode & DMAE_COMMAND_DST) {
437 case DMAE_CMD_DST_PCI:
438 if (src_type == DMAE_CMD_SRC_PCI)
439 DP(msglvl, "DMAE: opcode 0x%08x\n"
440 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
441 "comp_addr [%x:%08x], comp_val 0x%08x\n",
442 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
443 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
444 dmae->comp_addr_hi, dmae->comp_addr_lo,
445 dmae->comp_val);
446 else
447 DP(msglvl, "DMAE: opcode 0x%08x\n"
448 "src [%08x], len [%d*4], dst [%x:%08x]\n"
449 "comp_addr [%x:%08x], comp_val 0x%08x\n",
450 dmae->opcode, dmae->src_addr_lo >> 2,
451 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
452 dmae->comp_addr_hi, dmae->comp_addr_lo,
453 dmae->comp_val);
454 break;
455 case DMAE_CMD_DST_GRC:
456 if (src_type == DMAE_CMD_SRC_PCI)
457 DP(msglvl, "DMAE: opcode 0x%08x\n"
458 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
459 "comp_addr [%x:%08x], comp_val 0x%08x\n",
460 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
461 dmae->len, dmae->dst_addr_lo >> 2,
462 dmae->comp_addr_hi, dmae->comp_addr_lo,
463 dmae->comp_val);
464 else
465 DP(msglvl, "DMAE: opcode 0x%08x\n"
466 "src [%08x], len [%d*4], dst [%08x]\n"
467 "comp_addr [%x:%08x], comp_val 0x%08x\n",
468 dmae->opcode, dmae->src_addr_lo >> 2,
469 dmae->len, dmae->dst_addr_lo >> 2,
470 dmae->comp_addr_hi, dmae->comp_addr_lo,
471 dmae->comp_val);
472 break;
473 default:
474 if (src_type == DMAE_CMD_SRC_PCI)
475 DP(msglvl, "DMAE: opcode 0x%08x\n"
476 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
477 "dst_addr [none]\n"
478 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
479 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
480 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
481 dmae->comp_val);
482 else
483 DP(msglvl, "DMAE: opcode 0x%08x\n"
484 DP_LEVEL "src_addr [%08x] len [%d * 4] "
485 "dst_addr [none]\n"
486 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
487 dmae->opcode, dmae->src_addr_lo >> 2,
488 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
489 dmae->comp_val);
490 break;
491 }
492
493}
494
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000495const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200496 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
497 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
498 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
499 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
500};
501
502/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000503void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200504{
505 u32 cmd_offset;
506 int i;
507
508 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
509 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
510 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
511
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700512 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
513 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200514 }
515 REG_WR(bp, dmae_reg_go_c[idx], 1);
516}
517
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000518u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
519{
520 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
521 DMAE_CMD_C_ENABLE);
522}
523
524u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
525{
526 return opcode & ~DMAE_CMD_SRC_RESET;
527}
528
529u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
530 bool with_comp, u8 comp_type)
531{
532 u32 opcode = 0;
533
534 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
535 (dst_type << DMAE_COMMAND_DST_SHIFT));
536
537 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
538
539 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
540 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
541 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
542 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
543
544#ifdef __BIG_ENDIAN
545 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
546#else
547 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
548#endif
549 if (with_comp)
550 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
551 return opcode;
552}
553
stephen hemminger8d962862010-10-21 07:50:56 +0000554static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
555 struct dmae_command *dmae,
556 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000557{
558 memset(dmae, 0, sizeof(struct dmae_command));
559
560 /* set the opcode */
561 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
562 true, DMAE_COMP_PCI);
563
564 /* fill in the completion parameters */
565 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
567 dmae->comp_val = DMAE_COMP_VAL;
568}
569
570/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000571static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
572 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000573{
574 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000575 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000576 int rc = 0;
577
578 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
579 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
580 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
581
582 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800583 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000584
585 /* reset completion */
586 *wb_comp = 0;
587
588 /* post the command on the channel used for initializations */
589 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
590
591 /* wait for completion */
592 udelay(5);
593 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
594 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
595
596 if (!cnt) {
597 BNX2X_ERR("DMAE timeout!\n");
598 rc = DMAE_TIMEOUT;
599 goto unlock;
600 }
601 cnt--;
602 udelay(50);
603 }
604 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
605 BNX2X_ERR("DMAE PCI error!\n");
606 rc = DMAE_PCI_ERROR;
607 }
608
609 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
610 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
611 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
612
613unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800614 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000615 return rc;
616}
617
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700618void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
619 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200620{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000621 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700622
623 if (!bp->dmae_ready) {
624 u32 *data = bnx2x_sp(bp, wb_data[0]);
625
626 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
627 " using indirect\n", dst_addr, len32);
628 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
629 return;
630 }
631
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000632 /* set opcode and fixed command fields */
633 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200634
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000635 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000636 dmae.src_addr_lo = U64_LO(dma_addr);
637 dmae.src_addr_hi = U64_HI(dma_addr);
638 dmae.dst_addr_lo = dst_addr >> 2;
639 dmae.dst_addr_hi = 0;
640 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200641
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000642 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200643
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000644 /* issue the command and wait for completion */
645 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200646}
647
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700648void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200649{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000650 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700651
652 if (!bp->dmae_ready) {
653 u32 *data = bnx2x_sp(bp, wb_data[0]);
654 int i;
655
656 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
657 " using indirect\n", src_addr, len32);
658 for (i = 0; i < len32; i++)
659 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
660 return;
661 }
662
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000663 /* set opcode and fixed command fields */
664 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200665
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000666 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000667 dmae.src_addr_lo = src_addr >> 2;
668 dmae.src_addr_hi = 0;
669 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
670 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
671 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200672
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000673 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200674
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000675 /* issue the command and wait for completion */
676 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
stephen hemminger8d962862010-10-21 07:50:56 +0000679static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
680 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000681{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000682 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000683 int offset = 0;
684
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000685 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000686 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000687 addr + offset, dmae_wr_max);
688 offset += dmae_wr_max * 4;
689 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000690 }
691
692 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
693}
694
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700695/* used only for slowpath so not inlined */
696static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
697{
698 u32 wb_write[2];
699
700 wb_write[0] = val_hi;
701 wb_write[1] = val_lo;
702 REG_WR_DMAE(bp, reg, wb_write, 2);
703}
704
705#ifdef USE_WB_RD
706static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
707{
708 u32 wb_data[2];
709
710 REG_RD_DMAE(bp, reg, wb_data, 2);
711
712 return HILO_U64(wb_data[0], wb_data[1]);
713}
714#endif
715
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200716static int bnx2x_mc_assert(struct bnx2x *bp)
717{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200718 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700719 int i, rc = 0;
720 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200721
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700722 /* XSTORM */
723 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
724 XSTORM_ASSERT_LIST_INDEX_OFFSET);
725 if (last_idx)
726 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700728 /* print the asserts */
729 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200730
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700731 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
732 XSTORM_ASSERT_LIST_OFFSET(i));
733 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
734 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
735 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
736 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
737 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200739
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700740 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
741 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
742 " 0x%08x 0x%08x 0x%08x\n",
743 i, row3, row2, row1, row0);
744 rc++;
745 } else {
746 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200747 }
748 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700749
750 /* TSTORM */
751 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
752 TSTORM_ASSERT_LIST_INDEX_OFFSET);
753 if (last_idx)
754 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
755
756 /* print the asserts */
757 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
758
759 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
760 TSTORM_ASSERT_LIST_OFFSET(i));
761 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
762 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
763 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
764 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
765 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
767
768 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
769 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
770 " 0x%08x 0x%08x 0x%08x\n",
771 i, row3, row2, row1, row0);
772 rc++;
773 } else {
774 break;
775 }
776 }
777
778 /* CSTORM */
779 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
780 CSTORM_ASSERT_LIST_INDEX_OFFSET);
781 if (last_idx)
782 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
783
784 /* print the asserts */
785 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
786
787 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
788 CSTORM_ASSERT_LIST_OFFSET(i));
789 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
790 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
791 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
792 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
793 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
795
796 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
797 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
798 " 0x%08x 0x%08x 0x%08x\n",
799 i, row3, row2, row1, row0);
800 rc++;
801 } else {
802 break;
803 }
804 }
805
806 /* USTORM */
807 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
808 USTORM_ASSERT_LIST_INDEX_OFFSET);
809 if (last_idx)
810 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
811
812 /* print the asserts */
813 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
814
815 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
816 USTORM_ASSERT_LIST_OFFSET(i));
817 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
818 USTORM_ASSERT_LIST_OFFSET(i) + 4);
819 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
820 USTORM_ASSERT_LIST_OFFSET(i) + 8);
821 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i) + 12);
823
824 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
825 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
826 " 0x%08x 0x%08x 0x%08x\n",
827 i, row3, row2, row1, row0);
828 rc++;
829 } else {
830 break;
831 }
832 }
833
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200834 return rc;
835}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800836
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200837static void bnx2x_fw_dump(struct bnx2x *bp)
838{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000839 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200840 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000841 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200842 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000843 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000844 if (BP_NOMCP(bp)) {
845 BNX2X_ERR("NO MCP - can not dump\n");
846 return;
847 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000848
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000849 if (BP_PATH(bp) == 0)
850 trace_shmem_base = bp->common.shmem_base;
851 else
852 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
853 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000854 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000855 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
856 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000857 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200858
Joe Perches7995c642010-02-17 15:01:52 +0000859 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000860 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200861 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000862 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200863 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000864 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200865 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000866 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000868 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200869 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000870 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200871 }
Joe Perches7995c642010-02-17 15:01:52 +0000872 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873}
874
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000875void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200876{
877 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000878 u16 j;
879 struct hc_sp_status_block_data sp_sb_data;
880 int func = BP_FUNC(bp);
881#ifdef BNX2X_STOP_ON_ERROR
882 u16 start = 0, end = 0;
883#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200884
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700885 bp->stats_state = STATS_STATE_DISABLED;
886 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
887
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888 BNX2X_ERR("begin crash dump -----------------\n");
889
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000890 /* Indices */
891 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000892 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000893 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000894 bp->def_idx, bp->def_att_idx,
895 bp->attn_state, bp->spq_prod_idx);
896 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
897 bp->def_status_blk->atten_status_block.attn_bits,
898 bp->def_status_blk->atten_status_block.attn_bits_ack,
899 bp->def_status_blk->atten_status_block.status_block_id,
900 bp->def_status_blk->atten_status_block.attn_bits_index);
901 BNX2X_ERR(" def (");
902 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
903 pr_cont("0x%x%s",
904 bp->def_status_blk->sp_sb.index_values[i],
905 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000906
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000907 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
908 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
909 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
910 i*sizeof(u32));
911
912 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
913 "pf_id(0x%x) vnic_id(0x%x) "
914 "vf_id(0x%x) vf_valid (0x%x)\n",
915 sp_sb_data.igu_sb_id,
916 sp_sb_data.igu_seg_id,
917 sp_sb_data.p_func.pf_id,
918 sp_sb_data.p_func.vnic_id,
919 sp_sb_data.p_func.vf_id,
920 sp_sb_data.p_func.vf_valid);
921
922
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000923 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000924 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000925 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000926 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000927 struct hc_status_block_data_e1x sb_data_e1x;
928 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000929 CHIP_IS_E2(bp) ?
930 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000931 sb_data_e1x.common.state_machine;
932 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000933 CHIP_IS_E2(bp) ?
934 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000935 sb_data_e1x.index_data;
936 int data_size;
937 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000938
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000939 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000940 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000941 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000942 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000943 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000944 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000945 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000946 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000948 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000949 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000950
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000951 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000952 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
953 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
954 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200955 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700956 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000958 loop = CHIP_IS_E2(bp) ?
959 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000960
961 /* host sb data */
962
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000963#ifdef BCM_CNIC
964 if (IS_FCOE_FP(fp))
965 continue;
966#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000967 BNX2X_ERR(" run indexes (");
968 for (j = 0; j < HC_SB_MAX_SM; j++)
969 pr_cont("0x%x%s",
970 fp->sb_running_index[j],
971 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
972
973 BNX2X_ERR(" indexes (");
974 for (j = 0; j < loop; j++)
975 pr_cont("0x%x%s",
976 fp->sb_index_values[j],
977 (j == loop - 1) ? ")" : " ");
978 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000979 data_size = CHIP_IS_E2(bp) ?
980 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000981 sizeof(struct hc_status_block_data_e1x);
982 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000983 sb_data_p = CHIP_IS_E2(bp) ?
984 (u32 *)&sb_data_e2 :
985 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000986 /* copy sb data in here */
987 for (j = 0; j < data_size; j++)
988 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
989 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
990 j * sizeof(u32));
991
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000992 if (CHIP_IS_E2(bp)) {
993 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
994 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
995 sb_data_e2.common.p_func.pf_id,
996 sb_data_e2.common.p_func.vf_id,
997 sb_data_e2.common.p_func.vf_valid,
998 sb_data_e2.common.p_func.vnic_id,
999 sb_data_e2.common.same_igu_sb_1b);
1000 } else {
1001 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1002 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1003 sb_data_e1x.common.p_func.pf_id,
1004 sb_data_e1x.common.p_func.vf_id,
1005 sb_data_e1x.common.p_func.vf_valid,
1006 sb_data_e1x.common.p_func.vnic_id,
1007 sb_data_e1x.common.same_igu_sb_1b);
1008 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001009
1010 /* SB_SMs data */
1011 for (j = 0; j < HC_SB_MAX_SM; j++) {
1012 pr_cont("SM[%d] __flags (0x%x) "
1013 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1014 "time_to_expire (0x%x) "
1015 "timer_value(0x%x)\n", j,
1016 hc_sm_p[j].__flags,
1017 hc_sm_p[j].igu_sb_id,
1018 hc_sm_p[j].igu_seg_id,
1019 hc_sm_p[j].time_to_expire,
1020 hc_sm_p[j].timer_value);
1021 }
1022
1023 /* Indecies data */
1024 for (j = 0; j < loop; j++) {
1025 pr_cont("INDEX[%d] flags (0x%x) "
1026 "timeout (0x%x)\n", j,
1027 hc_index_p[j].flags,
1028 hc_index_p[j].timeout);
1029 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001030 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001031
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001032#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001033 /* Rings */
1034 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001035 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001036 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001037
1038 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1039 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001040 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001041 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1042 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1043
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001044 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1045 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001046 }
1047
Eilon Greenstein3196a882008-08-13 15:58:49 -07001048 start = RX_SGE(fp->rx_sge_prod);
1049 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001050 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001051 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1052 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1053
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001054 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1055 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001056 }
1057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001058 start = RCQ_BD(fp->rx_comp_cons - 10);
1059 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001060 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001061 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1062
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001063 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1064 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001065 }
1066 }
1067
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001068 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001069 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001070 struct bnx2x_fastpath *fp = &bp->fp[i];
1071
1072 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1073 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1074 for (j = start; j != end; j = TX_BD(j + 1)) {
1075 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1076
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001077 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1078 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001079 }
1080
1081 start = TX_BD(fp->tx_bd_cons - 10);
1082 end = TX_BD(fp->tx_bd_cons + 254);
1083 for (j = start; j != end; j = TX_BD(j + 1)) {
1084 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1085
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001086 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1087 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001088 }
1089 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001090#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001091 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001092 bnx2x_mc_assert(bp);
1093 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001094}
1095
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001096static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001097{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001098 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001099 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1100 u32 val = REG_RD(bp, addr);
1101 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001102 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001103
1104 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001105 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1106 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001107 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1108 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001109 } else if (msi) {
1110 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1111 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1113 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001114 } else {
1115 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001116 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001117 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1118 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001119
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001120 if (!CHIP_IS_E1(bp)) {
1121 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1122 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001123
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001124 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001125
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001126 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1127 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001128 }
1129
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001130 if (CHIP_IS_E1(bp))
1131 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1132
Eilon Greenstein8badd272009-02-12 08:36:15 +00001133 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1134 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001135
1136 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001137 /*
1138 * Ensure that HC_CONFIG is written before leading/trailing edge config
1139 */
1140 mmiowb();
1141 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001142
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001143 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001144 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001145 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001146 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001147 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001148 /* enable nig and gpio3 attention */
1149 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001150 } else
1151 val = 0xffff;
1152
1153 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1154 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1155 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001156
1157 /* Make sure that interrupts are indeed enabled from here on */
1158 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001159}
1160
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001161static void bnx2x_igu_int_enable(struct bnx2x *bp)
1162{
1163 u32 val;
1164 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1165 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1166
1167 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1168
1169 if (msix) {
1170 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1171 IGU_PF_CONF_SINGLE_ISR_EN);
1172 val |= (IGU_PF_CONF_FUNC_EN |
1173 IGU_PF_CONF_MSI_MSIX_EN |
1174 IGU_PF_CONF_ATTN_BIT_EN);
1175 } else if (msi) {
1176 val &= ~IGU_PF_CONF_INT_LINE_EN;
1177 val |= (IGU_PF_CONF_FUNC_EN |
1178 IGU_PF_CONF_MSI_MSIX_EN |
1179 IGU_PF_CONF_ATTN_BIT_EN |
1180 IGU_PF_CONF_SINGLE_ISR_EN);
1181 } else {
1182 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_INT_LINE_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1187 }
1188
1189 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1190 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1191
1192 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1193
1194 barrier();
1195
1196 /* init leading/trailing edge */
1197 if (IS_MF(bp)) {
1198 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1199 if (bp->port.pmf)
1200 /* enable nig and gpio3 attention */
1201 val |= 0x1100;
1202 } else
1203 val = 0xffff;
1204
1205 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1206 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1207
1208 /* Make sure that interrupts are indeed enabled from here on */
1209 mmiowb();
1210}
1211
1212void bnx2x_int_enable(struct bnx2x *bp)
1213{
1214 if (bp->common.int_block == INT_BLOCK_HC)
1215 bnx2x_hc_int_enable(bp);
1216 else
1217 bnx2x_igu_int_enable(bp);
1218}
1219
1220static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001221{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001222 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001223 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1224 u32 val = REG_RD(bp, addr);
1225
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001226 /*
1227 * in E1 we must use only PCI configuration space to disable
1228 * MSI/MSIX capablility
1229 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1230 */
1231 if (CHIP_IS_E1(bp)) {
1232 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1233 * Use mask register to prevent from HC sending interrupts
1234 * after we exit the function
1235 */
1236 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1237
1238 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1239 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1240 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1241 } else
1242 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1243 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1244 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1245 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001246
1247 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1248 val, port, addr);
1249
Eilon Greenstein8badd272009-02-12 08:36:15 +00001250 /* flush all outstanding writes */
1251 mmiowb();
1252
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001253 REG_WR(bp, addr, val);
1254 if (REG_RD(bp, addr) != val)
1255 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1256}
1257
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001258static void bnx2x_igu_int_disable(struct bnx2x *bp)
1259{
1260 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1261
1262 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1263 IGU_PF_CONF_INT_LINE_EN |
1264 IGU_PF_CONF_ATTN_BIT_EN);
1265
1266 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1267
1268 /* flush all outstanding writes */
1269 mmiowb();
1270
1271 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1272 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1273 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1274}
1275
stephen hemminger8d962862010-10-21 07:50:56 +00001276static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001277{
1278 if (bp->common.int_block == INT_BLOCK_HC)
1279 bnx2x_hc_int_disable(bp);
1280 else
1281 bnx2x_igu_int_disable(bp);
1282}
1283
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001284void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001285{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001286 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001287 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001288
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001289 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001290 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001291 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1292
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001293 if (disable_hw)
1294 /* prevent the HW from sending interrupts */
1295 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001296
1297 /* make sure all ISRs are done */
1298 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001299 synchronize_irq(bp->msix_table[0].vector);
1300 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001301#ifdef BCM_CNIC
1302 offset++;
1303#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001304 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001305 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001306 } else
1307 synchronize_irq(bp->pdev->irq);
1308
1309 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001310 cancel_delayed_work(&bp->sp_task);
1311 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001312}
1313
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001314/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001315
1316/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001317 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318 */
1319
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001320/* Return true if succeeded to acquire the lock */
1321static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1322{
1323 u32 lock_status;
1324 u32 resource_bit = (1 << resource);
1325 int func = BP_FUNC(bp);
1326 u32 hw_lock_control_reg;
1327
1328 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1329
1330 /* Validating that the resource is within range */
1331 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1332 DP(NETIF_MSG_HW,
1333 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1334 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001335 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001336 }
1337
1338 if (func <= 5)
1339 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1340 else
1341 hw_lock_control_reg =
1342 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1343
1344 /* Try to acquire the lock */
1345 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1346 lock_status = REG_RD(bp, hw_lock_control_reg);
1347 if (lock_status & resource_bit)
1348 return true;
1349
1350 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1351 return false;
1352}
1353
Michael Chan993ac7b2009-10-10 13:46:56 +00001354#ifdef BCM_CNIC
1355static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1356#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001357
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001358void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001359 union eth_rx_cqe *rr_cqe)
1360{
1361 struct bnx2x *bp = fp->bp;
1362 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1363 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1364
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001365 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001366 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001367 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001368 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001369
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001370 switch (command | fp->state) {
1371 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1372 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1373 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001374 break;
1375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1377 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001378 fp->state = BNX2X_FP_STATE_HALTED;
1379 break;
1380
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001381 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1382 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1383 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001384 break;
1385
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001386 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387 BNX2X_ERR("unexpected MC reply (%d) "
1388 "fp[%d] state is %x\n",
1389 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001390 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001391 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001392
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001393 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001394 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001395 /* push the change in fp->state and towards the memory */
1396 smp_wmb();
1397
1398 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001399}
1400
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001401irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001402{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001403 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001404 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001405 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001406 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001407
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001408 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001409 if (unlikely(status == 0)) {
1410 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1411 return IRQ_NONE;
1412 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001413 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001414
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001415 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001416 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1417 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1418 return IRQ_HANDLED;
1419 }
1420
Eilon Greenstein3196a882008-08-13 15:58:49 -07001421#ifdef BNX2X_STOP_ON_ERROR
1422 if (unlikely(bp->panic))
1423 return IRQ_HANDLED;
1424#endif
1425
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001426 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001427 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001428
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001429 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001430 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001431 /* Handle Rx and Tx according to SB id */
1432 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001433 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001434 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001435 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001436 status &= ~mask;
1437 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001438 }
1439
Michael Chan993ac7b2009-10-10 13:46:56 +00001440#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001441 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001442 if (status & (mask | 0x1)) {
1443 struct cnic_ops *c_ops = NULL;
1444
1445 rcu_read_lock();
1446 c_ops = rcu_dereference(bp->cnic_ops);
1447 if (c_ops)
1448 c_ops->cnic_handler(bp->cnic_data, NULL);
1449 rcu_read_unlock();
1450
1451 status &= ~mask;
1452 }
1453#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001454
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001455 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001456 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001457
1458 status &= ~0x1;
1459 if (!status)
1460 return IRQ_HANDLED;
1461 }
1462
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001463 if (unlikely(status))
1464 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001465 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001466
1467 return IRQ_HANDLED;
1468}
1469
1470/* end of fast path */
1471
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001472
1473/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001474
1475/*
1476 * General service functions
1477 */
1478
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001479int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001480{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001481 u32 lock_status;
1482 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001483 int func = BP_FUNC(bp);
1484 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001485 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001486
1487 /* Validating that the resource is within range */
1488 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1489 DP(NETIF_MSG_HW,
1490 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1491 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1492 return -EINVAL;
1493 }
1494
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001495 if (func <= 5) {
1496 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1497 } else {
1498 hw_lock_control_reg =
1499 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1500 }
1501
Eliezer Tamirf1410642008-02-28 11:51:50 -08001502 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001503 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001504 if (lock_status & resource_bit) {
1505 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1506 lock_status, resource_bit);
1507 return -EEXIST;
1508 }
1509
Eilon Greenstein46230472008-08-25 15:23:30 -07001510 /* Try for 5 second every 5ms */
1511 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001512 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001513 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1514 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001515 if (lock_status & resource_bit)
1516 return 0;
1517
1518 msleep(5);
1519 }
1520 DP(NETIF_MSG_HW, "Timeout\n");
1521 return -EAGAIN;
1522}
1523
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001524int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001525{
1526 u32 lock_status;
1527 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001528 int func = BP_FUNC(bp);
1529 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001530
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001531 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1532
Eliezer Tamirf1410642008-02-28 11:51:50 -08001533 /* Validating that the resource is within range */
1534 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1535 DP(NETIF_MSG_HW,
1536 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1537 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1538 return -EINVAL;
1539 }
1540
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001541 if (func <= 5) {
1542 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1543 } else {
1544 hw_lock_control_reg =
1545 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1546 }
1547
Eliezer Tamirf1410642008-02-28 11:51:50 -08001548 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001549 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001550 if (!(lock_status & resource_bit)) {
1551 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1552 lock_status, resource_bit);
1553 return -EFAULT;
1554 }
1555
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001556 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001557 return 0;
1558}
1559
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001560
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001561int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1562{
1563 /* The GPIO should be swapped if swap register is set and active */
1564 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1565 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1566 int gpio_shift = gpio_num +
1567 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1568 u32 gpio_mask = (1 << gpio_shift);
1569 u32 gpio_reg;
1570 int value;
1571
1572 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1573 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1574 return -EINVAL;
1575 }
1576
1577 /* read GPIO value */
1578 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1579
1580 /* get the requested pin value */
1581 if ((gpio_reg & gpio_mask) == gpio_mask)
1582 value = 1;
1583 else
1584 value = 0;
1585
1586 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1587
1588 return value;
1589}
1590
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001591int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001592{
1593 /* The GPIO should be swapped if swap register is set and active */
1594 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001595 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001596 int gpio_shift = gpio_num +
1597 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1598 u32 gpio_mask = (1 << gpio_shift);
1599 u32 gpio_reg;
1600
1601 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1602 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1603 return -EINVAL;
1604 }
1605
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001606 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001607 /* read GPIO and mask except the float bits */
1608 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1609
1610 switch (mode) {
1611 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1612 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1613 gpio_num, gpio_shift);
1614 /* clear FLOAT and set CLR */
1615 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1616 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1617 break;
1618
1619 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1620 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1621 gpio_num, gpio_shift);
1622 /* clear FLOAT and set SET */
1623 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1624 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1625 break;
1626
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001627 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001628 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1629 gpio_num, gpio_shift);
1630 /* set FLOAT */
1631 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1632 break;
1633
1634 default:
1635 break;
1636 }
1637
1638 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001639 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001640
1641 return 0;
1642}
1643
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001644int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1645{
1646 /* The GPIO should be swapped if swap register is set and active */
1647 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1648 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1649 int gpio_shift = gpio_num +
1650 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1651 u32 gpio_mask = (1 << gpio_shift);
1652 u32 gpio_reg;
1653
1654 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1655 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1656 return -EINVAL;
1657 }
1658
1659 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1660 /* read GPIO int */
1661 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1662
1663 switch (mode) {
1664 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1665 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1666 "output low\n", gpio_num, gpio_shift);
1667 /* clear SET and set CLR */
1668 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1669 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1670 break;
1671
1672 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1673 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1674 "output high\n", gpio_num, gpio_shift);
1675 /* clear CLR and set SET */
1676 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1677 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1678 break;
1679
1680 default:
1681 break;
1682 }
1683
1684 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1685 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1686
1687 return 0;
1688}
1689
Eliezer Tamirf1410642008-02-28 11:51:50 -08001690static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1691{
1692 u32 spio_mask = (1 << spio_num);
1693 u32 spio_reg;
1694
1695 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1696 (spio_num > MISC_REGISTERS_SPIO_7)) {
1697 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1698 return -EINVAL;
1699 }
1700
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001701 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001702 /* read SPIO and mask except the float bits */
1703 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1704
1705 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001706 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001707 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1708 /* clear FLOAT and set CLR */
1709 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1710 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1711 break;
1712
Eilon Greenstein6378c022008-08-13 15:59:25 -07001713 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001714 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1715 /* clear FLOAT and set SET */
1716 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1717 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1718 break;
1719
1720 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1721 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1722 /* set FLOAT */
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1724 break;
1725
1726 default:
1727 break;
1728 }
1729
1730 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001731 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001732
1733 return 0;
1734}
1735
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001736int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1737{
1738 u32 sel_phy_idx = 0;
1739 if (bp->link_vars.link_up) {
1740 sel_phy_idx = EXT_PHY1;
1741 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1742 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1743 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1744 sel_phy_idx = EXT_PHY2;
1745 } else {
1746
1747 switch (bnx2x_phy_selection(&bp->link_params)) {
1748 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1749 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1750 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1751 sel_phy_idx = EXT_PHY1;
1752 break;
1753 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1754 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1755 sel_phy_idx = EXT_PHY2;
1756 break;
1757 }
1758 }
1759 /*
1760 * The selected actived PHY is always after swapping (in case PHY
1761 * swapping is enabled). So when swapping is enabled, we need to reverse
1762 * the configuration
1763 */
1764
1765 if (bp->link_params.multi_phy_config &
1766 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1767 if (sel_phy_idx == EXT_PHY1)
1768 sel_phy_idx = EXT_PHY2;
1769 else if (sel_phy_idx == EXT_PHY2)
1770 sel_phy_idx = EXT_PHY1;
1771 }
1772 return LINK_CONFIG_IDX(sel_phy_idx);
1773}
1774
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001775void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001776{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001777 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001778 switch (bp->link_vars.ieee_fc &
1779 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001780 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001781 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001782 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001783 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001784
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001785 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001786 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001787 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001788 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001789
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001790 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001791 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001792 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001793
Eliezer Tamirf1410642008-02-28 11:51:50 -08001794 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001795 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001796 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001797 break;
1798 }
1799}
1800
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001801u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001802{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001803 if (!BP_NOMCP(bp)) {
1804 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001805 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1806 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001807 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001808 /* It is recommended to turn off RX FC for jumbo frames
1809 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001810 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001811 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001812 else
David S. Millerc0700f92008-12-16 23:53:20 -08001813 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001814
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001815 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001816
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001817 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001818 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001819 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1820 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001821
Eilon Greenstein19680c42008-08-13 15:47:33 -07001822 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001823
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001824 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001825
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001826 bnx2x_calc_fc_adv(bp);
1827
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001828 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1829 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001830 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001831 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001832 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001833 return rc;
1834 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001835 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001836 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001837}
1838
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001839void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001840{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001841 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001842 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001843 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001844 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001845 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001846
Eilon Greenstein19680c42008-08-13 15:47:33 -07001847 bnx2x_calc_fc_adv(bp);
1848 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001849 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001850}
1851
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001852static void bnx2x__link_reset(struct bnx2x *bp)
1853{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001854 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001855 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001856 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001857 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001858 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001859 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001860}
1861
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001862u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001863{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001864 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001865
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001866 if (!BP_NOMCP(bp)) {
1867 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001868 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1869 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001870 bnx2x_release_phy_lock(bp);
1871 } else
1872 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001873
1874 return rc;
1875}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001876
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001877static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001878{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001879 u32 r_param = bp->link_vars.line_speed / 8;
1880 u32 fair_periodic_timeout_usec;
1881 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001882
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001883 memset(&(bp->cmng.rs_vars), 0,
1884 sizeof(struct rate_shaping_vars_per_port));
1885 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001886
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001887 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1888 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001889
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001890 /* this is the threshold below which no timer arming will occur
1891 1.25 coefficient is for the threshold to be a little bigger
1892 than the real time, to compensate for timer in-accuracy */
1893 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001894 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1895
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001896 /* resolution of fairness timer */
1897 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1898 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1899 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001900
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001901 /* this is the threshold below which we won't arm the timer anymore */
1902 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001903
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001904 /* we multiply by 1e3/8 to get bytes/msec.
1905 We don't want the credits to pass a credit
1906 of the t_fair*FAIR_MEM (algorithm resolution) */
1907 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1908 /* since each tick is 4 usec */
1909 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001910}
1911
Eilon Greenstein2691d512009-08-12 08:22:08 +00001912/* Calculates the sum of vn_min_rates.
1913 It's needed for further normalizing of the min_rates.
1914 Returns:
1915 sum of vn_min_rates.
1916 or
1917 0 - if all the min_rates are 0.
1918 In the later case fainess algorithm should be deactivated.
1919 If not all min_rates are zero then those that are zeroes will be set to 1.
1920 */
1921static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1922{
1923 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001924 int vn;
1925
1926 bp->vn_weight_sum = 0;
1927 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001928 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001929 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1930 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1931
1932 /* Skip hidden vns */
1933 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1934 continue;
1935
1936 /* If min rate is zero - set it to 1 */
1937 if (!vn_min_rate)
1938 vn_min_rate = DEF_MIN_RATE;
1939 else
1940 all_zero = 0;
1941
1942 bp->vn_weight_sum += vn_min_rate;
1943 }
1944
1945 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001946 if (all_zero) {
1947 bp->cmng.flags.cmng_enables &=
1948 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1949 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1950 " fairness will be disabled\n");
1951 } else
1952 bp->cmng.flags.cmng_enables |=
1953 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001954}
1955
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001956static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001957{
1958 struct rate_shaping_vars_per_vn m_rs_vn;
1959 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001960 u32 vn_cfg = bp->mf_config[vn];
1961 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001962 u16 vn_min_rate, vn_max_rate;
1963 int i;
1964
1965 /* If function is hidden - set min and max to zeroes */
1966 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1967 vn_min_rate = 0;
1968 vn_max_rate = 0;
1969
1970 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001971 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1972
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001973 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1974 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001975 /* If fairness is enabled (not all min rates are zeroes) and
1976 if current min rate is zero - set it to 1.
1977 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001978 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001979 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001980
1981 if (IS_MF_SI(bp))
1982 /* maxCfg in percents of linkspeed */
1983 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1984 else
1985 /* maxCfg is absolute in 100Mb units */
1986 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001987 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001988
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001989 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001990 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001991 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001992
1993 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1994 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1995
1996 /* global vn counter - maximal Mbps for this vn */
1997 m_rs_vn.vn_counter.rate = vn_max_rate;
1998
1999 /* quota - number of bytes transmitted in this period */
2000 m_rs_vn.vn_counter.quota =
2001 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2002
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002003 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002004 /* credit for each period of the fairness algorithm:
2005 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002006 vn_weight_sum should not be larger than 10000, thus
2007 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2008 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002009 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002010 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2011 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002012 (bp->cmng.fair_vars.fair_threshold +
2013 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002014 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002015 m_fair_vn.vn_credit_delta);
2016 }
2017
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002018 /* Store it to internal memory */
2019 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2020 REG_WR(bp, BAR_XSTRORM_INTMEM +
2021 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2022 ((u32 *)(&m_rs_vn))[i]);
2023
2024 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2025 REG_WR(bp, BAR_XSTRORM_INTMEM +
2026 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2027 ((u32 *)(&m_fair_vn))[i]);
2028}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002029
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002030static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2031{
2032 if (CHIP_REV_IS_SLOW(bp))
2033 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002034 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002035 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002036
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002037 return CMNG_FNS_NONE;
2038}
2039
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002040void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002041{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002042 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002043
2044 if (BP_NOMCP(bp))
2045 return; /* what should be the default bvalue in this case */
2046
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002047 /* For 2 port configuration the absolute function number formula
2048 * is:
2049 * abs_func = 2 * vn + BP_PORT + BP_PATH
2050 *
2051 * and there are 4 functions per port
2052 *
2053 * For 4 port configuration it is
2054 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2055 *
2056 * and there are 2 functions per port
2057 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002058 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002059 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2060
2061 if (func >= E1H_FUNC_MAX)
2062 break;
2063
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002064 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002065 MF_CFG_RD(bp, func_mf_config[func].config);
2066 }
2067}
2068
2069static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2070{
2071
2072 if (cmng_type == CMNG_FNS_MINMAX) {
2073 int vn;
2074
2075 /* clear cmng_enables */
2076 bp->cmng.flags.cmng_enables = 0;
2077
2078 /* read mf conf from shmem */
2079 if (read_cfg)
2080 bnx2x_read_mf_cfg(bp);
2081
2082 /* Init rate shaping and fairness contexts */
2083 bnx2x_init_port_minmax(bp);
2084
2085 /* vn_weight_sum and enable fairness if not 0 */
2086 bnx2x_calc_vn_weight_sum(bp);
2087
2088 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002089 if (bp->port.pmf)
2090 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2091 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002092
2093 /* always enable rate shaping and fairness */
2094 bp->cmng.flags.cmng_enables |=
2095 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2096 if (!bp->vn_weight_sum)
2097 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2098 " fairness will be disabled\n");
2099 return;
2100 }
2101
2102 /* rate shaping and fairness are disabled */
2103 DP(NETIF_MSG_IFUP,
2104 "rate shaping and fairness are disabled\n");
2105}
2106
2107static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2108{
2109 int port = BP_PORT(bp);
2110 int func;
2111 int vn;
2112
2113 /* Set the attention towards other drivers on the same port */
2114 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2115 if (vn == BP_E1HVN(bp))
2116 continue;
2117
2118 func = ((vn << 1) | port);
2119 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2120 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2121 }
2122}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002123
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002124/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002125static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002126{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002127 /* Make sure that we are synced with the current statistics */
2128 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2129
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002130 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002131
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002132 if (bp->link_vars.link_up) {
2133
Eilon Greenstein1c063282009-02-12 08:36:43 +00002134 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002135 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002136 int port = BP_PORT(bp);
2137 u32 pause_enabled = 0;
2138
2139 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2140 pause_enabled = 1;
2141
2142 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002143 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002144 pause_enabled);
2145 }
2146
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002147 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2148 struct host_port_stats *pstats;
2149
2150 pstats = bnx2x_sp(bp, port_stats);
2151 /* reset old bmac stats */
2152 memset(&(pstats->mac_stx[0]), 0,
2153 sizeof(struct mac_stx));
2154 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002155 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002156 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2157 }
2158
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002159 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2160 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002162 if (cmng_fns != CMNG_FNS_NONE) {
2163 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2164 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2165 } else
2166 /* rate shaping and fairness are disabled */
2167 DP(NETIF_MSG_IFUP,
2168 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002169 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002170
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002171 __bnx2x_link_report(bp);
2172
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002173 if (IS_MF(bp))
2174 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002175}
2176
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002177void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002178{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002179 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002180 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002181
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002182 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2183
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002184 if (bp->link_vars.link_up)
2185 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2186 else
2187 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2188
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002189 /* indicate link status */
2190 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002191}
2192
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002193static void bnx2x_pmf_update(struct bnx2x *bp)
2194{
2195 int port = BP_PORT(bp);
2196 u32 val;
2197
2198 bp->port.pmf = 1;
2199 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2200
2201 /* enable nig attention */
2202 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002203 if (bp->common.int_block == INT_BLOCK_HC) {
2204 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2205 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2206 } else if (CHIP_IS_E2(bp)) {
2207 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2208 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2209 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002210
2211 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002212}
2213
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002214/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002215
2216/* slow path */
2217
2218/*
2219 * General service functions
2220 */
2221
Eilon Greenstein2691d512009-08-12 08:22:08 +00002222/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002223u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002224{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002225 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002226 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002227 u32 rc = 0;
2228 u32 cnt = 1;
2229 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2230
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002231 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002232 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002233 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2235
Eilon Greenstein2691d512009-08-12 08:22:08 +00002236 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2237
2238 do {
2239 /* let the FW do it's magic ... */
2240 msleep(delay);
2241
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002242 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002243
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002244 /* Give the FW up to 5 second (500*10ms) */
2245 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002246
2247 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2248 cnt*delay, rc, seq);
2249
2250 /* is this a reply to our command? */
2251 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2252 rc &= FW_MSG_CODE_MASK;
2253 else {
2254 /* FW BUG! */
2255 BNX2X_ERR("FW failed to respond!\n");
2256 bnx2x_fw_dump(bp);
2257 rc = 0;
2258 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002259 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002260
2261 return rc;
2262}
2263
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002264static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2265{
2266#ifdef BCM_CNIC
2267 if (IS_FCOE_FP(fp) && IS_MF(bp))
2268 return false;
2269#endif
2270 return true;
2271}
2272
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002273/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002274static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002275{
2276 u32 mask = (1 << cl_id);
2277
2278 /* initial seeting is BNX2X_ACCEPT_NONE */
2279 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2280 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2281 u8 unmatched_unicast = 0;
2282
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002283 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2284 unmatched_unicast = 1;
2285
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002286 if (filters & BNX2X_PROMISCUOUS_MODE) {
2287 /* promiscious - accept all, drop none */
2288 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2289 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002290 if (IS_MF_SI(bp)) {
2291 /*
2292 * SI mode defines to accept in promiscuos mode
2293 * only unmatched packets
2294 */
2295 unmatched_unicast = 1;
2296 accp_all_ucast = 0;
2297 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002298 }
2299 if (filters & BNX2X_ACCEPT_UNICAST) {
2300 /* accept matched ucast */
2301 drop_all_ucast = 0;
2302 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002303 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002304 /* accept matched mcast */
2305 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002306
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002307 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2308 /* accept all mcast */
2309 drop_all_ucast = 0;
2310 accp_all_ucast = 1;
2311 }
2312 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2313 /* accept all mcast */
2314 drop_all_mcast = 0;
2315 accp_all_mcast = 1;
2316 }
2317 if (filters & BNX2X_ACCEPT_BROADCAST) {
2318 /* accept (all) bcast */
2319 drop_all_bcast = 0;
2320 accp_all_bcast = 1;
2321 }
2322
2323 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2324 bp->mac_filters.ucast_drop_all | mask :
2325 bp->mac_filters.ucast_drop_all & ~mask;
2326
2327 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2328 bp->mac_filters.mcast_drop_all | mask :
2329 bp->mac_filters.mcast_drop_all & ~mask;
2330
2331 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2332 bp->mac_filters.bcast_drop_all | mask :
2333 bp->mac_filters.bcast_drop_all & ~mask;
2334
2335 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2336 bp->mac_filters.ucast_accept_all | mask :
2337 bp->mac_filters.ucast_accept_all & ~mask;
2338
2339 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2340 bp->mac_filters.mcast_accept_all | mask :
2341 bp->mac_filters.mcast_accept_all & ~mask;
2342
2343 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2344 bp->mac_filters.bcast_accept_all | mask :
2345 bp->mac_filters.bcast_accept_all & ~mask;
2346
2347 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2348 bp->mac_filters.unmatched_unicast | mask :
2349 bp->mac_filters.unmatched_unicast & ~mask;
2350}
2351
stephen hemminger8d962862010-10-21 07:50:56 +00002352static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002353{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002354 struct tstorm_eth_function_common_config tcfg = {0};
2355 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002356
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002357 /* tpa */
2358 if (p->func_flgs & FUNC_FLG_TPA)
2359 tcfg.config_flags |=
2360 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002361
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002362 /* set rss flags */
2363 rss_flgs = (p->rss->mode <<
2364 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002365
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002366 if (p->rss->cap & RSS_IPV4_CAP)
2367 rss_flgs |= RSS_IPV4_CAP_MASK;
2368 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2369 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2370 if (p->rss->cap & RSS_IPV6_CAP)
2371 rss_flgs |= RSS_IPV6_CAP_MASK;
2372 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2373 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002374
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002375 tcfg.config_flags |= rss_flgs;
2376 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002377
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002378 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002379
2380 /* Enable the function in the FW */
2381 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2382 storm_memset_func_en(bp, p->func_id, 1);
2383
2384 /* statistics */
2385 if (p->func_flgs & FUNC_FLG_STATS) {
2386 struct stats_indication_flags stats_flags = {0};
2387 stats_flags.collect_eth = 1;
2388
2389 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2390 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2391
2392 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2393 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2394
2395 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2396 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2397
2398 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2399 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2400 }
2401
2402 /* spq */
2403 if (p->func_flgs & FUNC_FLG_SPQ) {
2404 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2405 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2406 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2407 }
2408}
2409
2410static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2411 struct bnx2x_fastpath *fp)
2412{
2413 u16 flags = 0;
2414
2415 /* calculate queue flags */
2416 flags |= QUEUE_FLG_CACHE_ALIGN;
2417 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002418 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002419
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002420 flags |= QUEUE_FLG_VLAN;
2421 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002422
2423 if (!fp->disable_tpa)
2424 flags |= QUEUE_FLG_TPA;
2425
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002426 flags = stat_counter_valid(bp, fp) ?
2427 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002428
2429 return flags;
2430}
2431
2432static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2433 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2434 struct bnx2x_rxq_init_params *rxq_init)
2435{
2436 u16 max_sge = 0;
2437 u16 sge_sz = 0;
2438 u16 tpa_agg_size = 0;
2439
2440 /* calculate queue flags */
2441 u16 flags = bnx2x_get_cl_flags(bp, fp);
2442
2443 if (!fp->disable_tpa) {
2444 pause->sge_th_hi = 250;
2445 pause->sge_th_lo = 150;
2446 tpa_agg_size = min_t(u32,
2447 (min_t(u32, 8, MAX_SKB_FRAGS) *
2448 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2449 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2450 SGE_PAGE_SHIFT;
2451 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2452 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2453 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2454 0xffff);
2455 }
2456
2457 /* pause - not for e1 */
2458 if (!CHIP_IS_E1(bp)) {
2459 pause->bd_th_hi = 350;
2460 pause->bd_th_lo = 250;
2461 pause->rcq_th_hi = 350;
2462 pause->rcq_th_lo = 250;
2463 pause->sge_th_hi = 0;
2464 pause->sge_th_lo = 0;
2465 pause->pri_map = 1;
2466 }
2467
2468 /* rxq setup */
2469 rxq_init->flags = flags;
2470 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2471 rxq_init->dscr_map = fp->rx_desc_mapping;
2472 rxq_init->sge_map = fp->rx_sge_mapping;
2473 rxq_init->rcq_map = fp->rx_comp_mapping;
2474 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002475
2476 /* Always use mini-jumbo MTU for FCoE L2 ring */
2477 if (IS_FCOE_FP(fp))
2478 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2479 else
2480 rxq_init->mtu = bp->dev->mtu;
2481
2482 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002483 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2484 rxq_init->cl_id = fp->cl_id;
2485 rxq_init->spcl_id = fp->cl_id;
2486 rxq_init->stat_id = fp->cl_id;
2487 rxq_init->tpa_agg_sz = tpa_agg_size;
2488 rxq_init->sge_buf_sz = sge_sz;
2489 rxq_init->max_sges_pkt = max_sge;
2490 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2491 rxq_init->fw_sb_id = fp->fw_sb_id;
2492
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002493 if (IS_FCOE_FP(fp))
2494 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2495 else
2496 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002497
2498 rxq_init->cid = HW_CID(bp, fp->cid);
2499
2500 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2501}
2502
2503static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2504 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2505{
2506 u16 flags = bnx2x_get_cl_flags(bp, fp);
2507
2508 txq_init->flags = flags;
2509 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2510 txq_init->dscr_map = fp->tx_desc_mapping;
2511 txq_init->stat_id = fp->cl_id;
2512 txq_init->cid = HW_CID(bp, fp->cid);
2513 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2514 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2515 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002516
2517 if (IS_FCOE_FP(fp)) {
2518 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2519 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2520 }
2521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002522 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2523}
2524
stephen hemminger8d962862010-10-21 07:50:56 +00002525static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002526{
2527 struct bnx2x_func_init_params func_init = {0};
2528 struct bnx2x_rss_params rss = {0};
2529 struct event_ring_data eq_data = { {0} };
2530 u16 flags;
2531
2532 /* pf specific setups */
2533 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002534 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002536 if (CHIP_IS_E2(bp)) {
2537 /* reset IGU PF statistics: MSIX + ATTN */
2538 /* PF */
2539 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2540 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2541 (CHIP_MODE_IS_4_PORT(bp) ?
2542 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2543 /* ATTN */
2544 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2545 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2546 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2547 (CHIP_MODE_IS_4_PORT(bp) ?
2548 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2549 }
2550
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002551 /* function setup flags */
2552 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2553
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002554 if (CHIP_IS_E1x(bp))
2555 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2556 else
2557 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002558
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002559 /* function setup */
2560
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002561 /**
2562 * Although RSS is meaningless when there is a single HW queue we
2563 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002564 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002565 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2566 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2567 rss.mode = bp->multi_mode;
2568 rss.result_mask = MULTI_MASK;
2569 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002570
2571 func_init.func_flgs = flags;
2572 func_init.pf_id = BP_FUNC(bp);
2573 func_init.func_id = BP_FUNC(bp);
2574 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2575 func_init.spq_map = bp->spq_mapping;
2576 func_init.spq_prod = bp->spq_prod_idx;
2577
2578 bnx2x_func_init(bp, &func_init);
2579
2580 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2581
2582 /*
2583 Congestion management values depend on the link rate
2584 There is no active link so initial link rate is set to 10 Gbps.
2585 When the link comes up The congestion management values are
2586 re-calculated according to the actual link rate.
2587 */
2588 bp->link_vars.line_speed = SPEED_10000;
2589 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2590
2591 /* Only the PMF sets the HW */
2592 if (bp->port.pmf)
2593 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2594
2595 /* no rx until link is up */
2596 bp->rx_mode = BNX2X_RX_MODE_NONE;
2597 bnx2x_set_storm_rx_mode(bp);
2598
2599 /* init Event Queue */
2600 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2601 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2602 eq_data.producer = bp->eq_prod;
2603 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2604 eq_data.sb_id = DEF_SB_ID;
2605 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2606}
2607
2608
Eilon Greenstein2691d512009-08-12 08:22:08 +00002609static void bnx2x_e1h_disable(struct bnx2x *bp)
2610{
2611 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612
2613 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002614
2615 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2616
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617 netif_carrier_off(bp->dev);
2618}
2619
2620static void bnx2x_e1h_enable(struct bnx2x *bp)
2621{
2622 int port = BP_PORT(bp);
2623
2624 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2625
Eilon Greenstein2691d512009-08-12 08:22:08 +00002626 /* Tx queue should be only reenabled */
2627 netif_tx_wake_all_queues(bp->dev);
2628
Eilon Greenstein061bc702009-10-15 00:18:47 -07002629 /*
2630 * Should not call netif_carrier_on since it will be called if the link
2631 * is up when checking for link state
2632 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002633}
2634
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002635/* called due to MCP event (on pmf):
2636 * reread new bandwidth configuration
2637 * configure FW
2638 * notify others function about the change
2639 */
2640static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2641{
2642 if (bp->link_vars.link_up) {
2643 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2644 bnx2x_link_sync_notify(bp);
2645 }
2646 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2647}
2648
2649static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2650{
2651 bnx2x_config_mf_bw(bp);
2652 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2653}
2654
Eilon Greenstein2691d512009-08-12 08:22:08 +00002655static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2656{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002657 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002658
2659 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2660
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002661 /*
2662 * This is the only place besides the function initialization
2663 * where the bp->flags can change so it is done without any
2664 * locks
2665 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002666 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002667 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002668 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002669
2670 bnx2x_e1h_disable(bp);
2671 } else {
2672 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002673 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002674
2675 bnx2x_e1h_enable(bp);
2676 }
2677 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2678 }
2679 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002680 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002681 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2682 }
2683
2684 /* Report results to MCP */
2685 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002686 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002688 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002689}
2690
Michael Chan28912902009-10-10 13:46:53 +00002691/* must be called under the spq lock */
2692static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2693{
2694 struct eth_spe *next_spe = bp->spq_prod_bd;
2695
2696 if (bp->spq_prod_bd == bp->spq_last_bd) {
2697 bp->spq_prod_bd = bp->spq;
2698 bp->spq_prod_idx = 0;
2699 DP(NETIF_MSG_TIMER, "end of spq\n");
2700 } else {
2701 bp->spq_prod_bd++;
2702 bp->spq_prod_idx++;
2703 }
2704 return next_spe;
2705}
2706
2707/* must be called under the spq lock */
2708static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2709{
2710 int func = BP_FUNC(bp);
2711
2712 /* Make sure that BD data is updated before writing the producer */
2713 wmb();
2714
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002715 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002716 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002717 mmiowb();
2718}
2719
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002720/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002721int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002722 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002723{
Michael Chan28912902009-10-10 13:46:53 +00002724 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002725 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002726
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002727#ifdef BNX2X_STOP_ON_ERROR
2728 if (unlikely(bp->panic))
2729 return -EIO;
2730#endif
2731
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002732 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002733
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002734 if (common) {
2735 if (!atomic_read(&bp->eq_spq_left)) {
2736 BNX2X_ERR("BUG! EQ ring full!\n");
2737 spin_unlock_bh(&bp->spq_lock);
2738 bnx2x_panic();
2739 return -EBUSY;
2740 }
2741 } else if (!atomic_read(&bp->cq_spq_left)) {
2742 BNX2X_ERR("BUG! SPQ ring full!\n");
2743 spin_unlock_bh(&bp->spq_lock);
2744 bnx2x_panic();
2745 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002746 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002747
Michael Chan28912902009-10-10 13:46:53 +00002748 spe = bnx2x_sp_get_next(bp);
2749
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002750 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002751 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002752 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2753 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002754
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002755 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002756 /* Common ramrods:
2757 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2758 * TRAFFIC_STOP, TRAFFIC_START
2759 */
2760 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2761 & SPE_HDR_CONN_TYPE;
2762 else
2763 /* ETH ramrods: SETUP, HALT */
2764 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2765 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002766
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002767 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2768 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002769
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002770 spe->hdr.type = cpu_to_le16(type);
2771
2772 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2773 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2774
2775 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002776 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002777 /* It's ok if the actual decrement is issued towards the memory
2778 * somewhere between the spin_lock and spin_unlock. Thus no
2779 * more explict memory barrier is needed.
2780 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002781 if (common)
2782 atomic_dec(&bp->eq_spq_left);
2783 else
2784 atomic_dec(&bp->cq_spq_left);
2785 }
2786
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002787
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002788 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002789 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002790 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002791 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2792 (u32)(U64_LO(bp->spq_mapping) +
2793 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002794 HW_CID(bp, cid), data_hi, data_lo, type,
2795 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002796
Michael Chan28912902009-10-10 13:46:53 +00002797 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002798 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002799 return 0;
2800}
2801
2802/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002803static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002804{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002805 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002806 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002807
2808 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002809 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002810 val = (1UL << 31);
2811 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2812 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2813 if (val & (1L << 31))
2814 break;
2815
2816 msleep(5);
2817 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002818 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002819 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002820 rc = -EBUSY;
2821 }
2822
2823 return rc;
2824}
2825
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002826/* release split MCP access lock register */
2827static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002829 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830}
2831
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002832#define BNX2X_DEF_SB_ATT_IDX 0x0001
2833#define BNX2X_DEF_SB_IDX 0x0002
2834
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002835static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2836{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002837 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002838 u16 rc = 0;
2839
2840 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2842 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002843 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002845
2846 if (bp->def_idx != def_sb->sp_sb.running_index) {
2847 bp->def_idx = def_sb->sp_sb.running_index;
2848 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002849 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002850
2851 /* Do not reorder: indecies reading should complete before handling */
2852 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002853 return rc;
2854}
2855
2856/*
2857 * slow path service functions
2858 */
2859
2860static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2861{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002862 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002863 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2864 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002865 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2866 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002867 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002868 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002869 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002870
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002871 if (bp->attn_state & asserted)
2872 BNX2X_ERR("IGU ERROR\n");
2873
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002874 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2875 aeu_mask = REG_RD(bp, aeu_addr);
2876
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002877 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002878 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002879 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002880 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002881
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002882 REG_WR(bp, aeu_addr, aeu_mask);
2883 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002884
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002885 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002886 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002887 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002888
2889 if (asserted & ATTN_HARD_WIRED_MASK) {
2890 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002891
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002892 bnx2x_acquire_phy_lock(bp);
2893
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002894 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002895 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002896 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002897
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002898 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002899
2900 /* handle unicore attn? */
2901 }
2902 if (asserted & ATTN_SW_TIMER_4_FUNC)
2903 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2904
2905 if (asserted & GPIO_2_FUNC)
2906 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2907
2908 if (asserted & GPIO_3_FUNC)
2909 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2910
2911 if (asserted & GPIO_4_FUNC)
2912 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2913
2914 if (port == 0) {
2915 if (asserted & ATTN_GENERAL_ATTN_1) {
2916 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2917 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2918 }
2919 if (asserted & ATTN_GENERAL_ATTN_2) {
2920 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2921 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2922 }
2923 if (asserted & ATTN_GENERAL_ATTN_3) {
2924 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2925 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2926 }
2927 } else {
2928 if (asserted & ATTN_GENERAL_ATTN_4) {
2929 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2930 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2931 }
2932 if (asserted & ATTN_GENERAL_ATTN_5) {
2933 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2934 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2935 }
2936 if (asserted & ATTN_GENERAL_ATTN_6) {
2937 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2938 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2939 }
2940 }
2941
2942 } /* if hardwired */
2943
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002944 if (bp->common.int_block == INT_BLOCK_HC)
2945 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2946 COMMAND_REG_ATTN_BITS_SET);
2947 else
2948 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2949
2950 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2951 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2952 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002953
2954 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002955 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002956 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002957 bnx2x_release_phy_lock(bp);
2958 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002959}
2960
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002961static inline void bnx2x_fan_failure(struct bnx2x *bp)
2962{
2963 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002964 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002965 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002966 ext_phy_config =
2967 SHMEM_RD(bp,
2968 dev_info.port_hw_config[port].external_phy_config);
2969
2970 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2971 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002972 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002973 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002974
2975 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002976 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2977 " the driver to shutdown the card to prevent permanent"
2978 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002979}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002980
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002981static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2982{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002983 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002984 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002985 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002986
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002987 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2988 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002989
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002990 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002991
2992 val = REG_RD(bp, reg_offset);
2993 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2994 REG_WR(bp, reg_offset, val);
2995
2996 BNX2X_ERR("SPIO5 hw attention\n");
2997
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002998 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002999 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003000 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003001 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003002
Eilon Greenstein589abe32009-02-12 08:36:55 +00003003 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
3004 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
3005 bnx2x_acquire_phy_lock(bp);
3006 bnx2x_handle_module_detect_int(&bp->link_params);
3007 bnx2x_release_phy_lock(bp);
3008 }
3009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003010 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3011
3012 val = REG_RD(bp, reg_offset);
3013 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3014 REG_WR(bp, reg_offset, val);
3015
3016 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003017 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003018 bnx2x_panic();
3019 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003020}
3021
3022static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3023{
3024 u32 val;
3025
Eilon Greenstein0626b892009-02-12 08:38:14 +00003026 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003027
3028 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3029 BNX2X_ERR("DB hw attention 0x%x\n", val);
3030 /* DORQ discard attention */
3031 if (val & 0x2)
3032 BNX2X_ERR("FATAL error from DORQ\n");
3033 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003034
3035 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3036
3037 int port = BP_PORT(bp);
3038 int reg_offset;
3039
3040 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3041 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3042
3043 val = REG_RD(bp, reg_offset);
3044 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3045 REG_WR(bp, reg_offset, val);
3046
3047 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003048 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003049 bnx2x_panic();
3050 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003051}
3052
3053static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3054{
3055 u32 val;
3056
3057 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3058
3059 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3060 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3061 /* CFC error attention */
3062 if (val & 0x2)
3063 BNX2X_ERR("FATAL error from CFC\n");
3064 }
3065
3066 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3067
3068 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3069 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3070 /* RQ_USDMDP_FIFO_OVERFLOW */
3071 if (val & 0x18000)
3072 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003073 if (CHIP_IS_E2(bp)) {
3074 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3075 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3076 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003077 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003078
3079 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3080
3081 int port = BP_PORT(bp);
3082 int reg_offset;
3083
3084 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3085 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3086
3087 val = REG_RD(bp, reg_offset);
3088 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3089 REG_WR(bp, reg_offset, val);
3090
3091 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003092 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003093 bnx2x_panic();
3094 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003095}
3096
3097static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3098{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003099 u32 val;
3100
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003101 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3102
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003103 if (attn & BNX2X_PMF_LINK_ASSERT) {
3104 int func = BP_FUNC(bp);
3105
3106 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003107 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3108 func_mf_config[BP_ABS_FUNC(bp)].config);
3109 val = SHMEM_RD(bp,
3110 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003111 if (val & DRV_STATUS_DCC_EVENT_MASK)
3112 bnx2x_dcc_event(bp,
3113 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003114
3115 if (val & DRV_STATUS_SET_MF_BW)
3116 bnx2x_set_mf_bw(bp);
3117
Eilon Greenstein2691d512009-08-12 08:22:08 +00003118 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003119 bnx2x_pmf_update(bp);
3120
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003121 /* Always call it here: bnx2x_link_report() will
3122 * prevent the link indication duplication.
3123 */
3124 bnx2x__link_status_update(bp);
3125
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003126 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003127 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3128 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003129 /* start dcbx state machine */
3130 bnx2x_dcbx_set_params(bp,
3131 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003132 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003133
3134 BNX2X_ERR("MC assert!\n");
3135 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3136 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3137 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3138 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3139 bnx2x_panic();
3140
3141 } else if (attn & BNX2X_MCP_ASSERT) {
3142
3143 BNX2X_ERR("MCP assert!\n");
3144 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003145 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003146
3147 } else
3148 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3149 }
3150
3151 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003152 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3153 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003154 val = CHIP_IS_E1(bp) ? 0 :
3155 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003156 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3157 }
3158 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003159 val = CHIP_IS_E1(bp) ? 0 :
3160 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003161 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3162 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003163 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003164 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003165}
3166
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003167#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3168#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3169#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3170#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3171#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003172
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003173/*
3174 * should be run under rtnl lock
3175 */
3176static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3177{
3178 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3179 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3180 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3181 barrier();
3182 mmiowb();
3183}
3184
3185/*
3186 * should be run under rtnl lock
3187 */
3188static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3189{
3190 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3191 val |= (1 << 16);
3192 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3193 barrier();
3194 mmiowb();
3195}
3196
3197/*
3198 * should be run under rtnl lock
3199 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003200bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003201{
3202 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3203 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3204 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3205}
3206
3207/*
3208 * should be run under rtnl lock
3209 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003210inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003211{
3212 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3213
3214 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3215
3216 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3217 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3218 barrier();
3219 mmiowb();
3220}
3221
3222/*
3223 * should be run under rtnl lock
3224 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003225u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003226{
3227 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3228
3229 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3230
3231 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3232 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3233 barrier();
3234 mmiowb();
3235
3236 return val1;
3237}
3238
3239/*
3240 * should be run under rtnl lock
3241 */
3242static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3243{
3244 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3245}
3246
3247static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3248{
3249 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3250 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3251}
3252
3253static inline void _print_next_block(int idx, const char *blk)
3254{
3255 if (idx)
3256 pr_cont(", ");
3257 pr_cont("%s", blk);
3258}
3259
3260static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3261{
3262 int i = 0;
3263 u32 cur_bit = 0;
3264 for (i = 0; sig; i++) {
3265 cur_bit = ((u32)0x1 << i);
3266 if (sig & cur_bit) {
3267 switch (cur_bit) {
3268 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3269 _print_next_block(par_num++, "BRB");
3270 break;
3271 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3272 _print_next_block(par_num++, "PARSER");
3273 break;
3274 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3275 _print_next_block(par_num++, "TSDM");
3276 break;
3277 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3278 _print_next_block(par_num++, "SEARCHER");
3279 break;
3280 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3281 _print_next_block(par_num++, "TSEMI");
3282 break;
3283 }
3284
3285 /* Clear the bit */
3286 sig &= ~cur_bit;
3287 }
3288 }
3289
3290 return par_num;
3291}
3292
3293static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3294{
3295 int i = 0;
3296 u32 cur_bit = 0;
3297 for (i = 0; sig; i++) {
3298 cur_bit = ((u32)0x1 << i);
3299 if (sig & cur_bit) {
3300 switch (cur_bit) {
3301 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3302 _print_next_block(par_num++, "PBCLIENT");
3303 break;
3304 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3305 _print_next_block(par_num++, "QM");
3306 break;
3307 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3308 _print_next_block(par_num++, "XSDM");
3309 break;
3310 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3311 _print_next_block(par_num++, "XSEMI");
3312 break;
3313 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3314 _print_next_block(par_num++, "DOORBELLQ");
3315 break;
3316 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3317 _print_next_block(par_num++, "VAUX PCI CORE");
3318 break;
3319 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3320 _print_next_block(par_num++, "DEBUG");
3321 break;
3322 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3323 _print_next_block(par_num++, "USDM");
3324 break;
3325 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3326 _print_next_block(par_num++, "USEMI");
3327 break;
3328 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3329 _print_next_block(par_num++, "UPB");
3330 break;
3331 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3332 _print_next_block(par_num++, "CSDM");
3333 break;
3334 }
3335
3336 /* Clear the bit */
3337 sig &= ~cur_bit;
3338 }
3339 }
3340
3341 return par_num;
3342}
3343
3344static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3345{
3346 int i = 0;
3347 u32 cur_bit = 0;
3348 for (i = 0; sig; i++) {
3349 cur_bit = ((u32)0x1 << i);
3350 if (sig & cur_bit) {
3351 switch (cur_bit) {
3352 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3353 _print_next_block(par_num++, "CSEMI");
3354 break;
3355 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3356 _print_next_block(par_num++, "PXP");
3357 break;
3358 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3359 _print_next_block(par_num++,
3360 "PXPPCICLOCKCLIENT");
3361 break;
3362 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3363 _print_next_block(par_num++, "CFC");
3364 break;
3365 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3366 _print_next_block(par_num++, "CDU");
3367 break;
3368 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3369 _print_next_block(par_num++, "IGU");
3370 break;
3371 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3372 _print_next_block(par_num++, "MISC");
3373 break;
3374 }
3375
3376 /* Clear the bit */
3377 sig &= ~cur_bit;
3378 }
3379 }
3380
3381 return par_num;
3382}
3383
3384static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3385{
3386 int i = 0;
3387 u32 cur_bit = 0;
3388 for (i = 0; sig; i++) {
3389 cur_bit = ((u32)0x1 << i);
3390 if (sig & cur_bit) {
3391 switch (cur_bit) {
3392 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3393 _print_next_block(par_num++, "MCP ROM");
3394 break;
3395 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3396 _print_next_block(par_num++, "MCP UMP RX");
3397 break;
3398 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3399 _print_next_block(par_num++, "MCP UMP TX");
3400 break;
3401 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3402 _print_next_block(par_num++, "MCP SCPAD");
3403 break;
3404 }
3405
3406 /* Clear the bit */
3407 sig &= ~cur_bit;
3408 }
3409 }
3410
3411 return par_num;
3412}
3413
3414static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3415 u32 sig2, u32 sig3)
3416{
3417 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3418 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3419 int par_num = 0;
3420 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3421 "[0]:0x%08x [1]:0x%08x "
3422 "[2]:0x%08x [3]:0x%08x\n",
3423 sig0 & HW_PRTY_ASSERT_SET_0,
3424 sig1 & HW_PRTY_ASSERT_SET_1,
3425 sig2 & HW_PRTY_ASSERT_SET_2,
3426 sig3 & HW_PRTY_ASSERT_SET_3);
3427 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3428 bp->dev->name);
3429 par_num = bnx2x_print_blocks_with_parity0(
3430 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3431 par_num = bnx2x_print_blocks_with_parity1(
3432 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3433 par_num = bnx2x_print_blocks_with_parity2(
3434 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3435 par_num = bnx2x_print_blocks_with_parity3(
3436 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3437 printk("\n");
3438 return true;
3439 } else
3440 return false;
3441}
3442
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003443bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003444{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003445 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003446 int port = BP_PORT(bp);
3447
3448 attn.sig[0] = REG_RD(bp,
3449 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3450 port*4);
3451 attn.sig[1] = REG_RD(bp,
3452 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3453 port*4);
3454 attn.sig[2] = REG_RD(bp,
3455 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3456 port*4);
3457 attn.sig[3] = REG_RD(bp,
3458 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3459 port*4);
3460
3461 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3462 attn.sig[3]);
3463}
3464
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003465
3466static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3467{
3468 u32 val;
3469 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3470
3471 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3472 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3473 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3474 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3475 "ADDRESS_ERROR\n");
3476 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3477 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3478 "INCORRECT_RCV_BEHAVIOR\n");
3479 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3480 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3481 "WAS_ERROR_ATTN\n");
3482 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3483 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3484 "VF_LENGTH_VIOLATION_ATTN\n");
3485 if (val &
3486 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3487 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3488 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3489 if (val &
3490 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3491 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3492 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3493 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3494 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3495 "TCPL_ERROR_ATTN\n");
3496 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3497 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3498 "TCPL_IN_TWO_RCBS_ATTN\n");
3499 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3500 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3501 "CSSNOOP_FIFO_OVERFLOW\n");
3502 }
3503 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3504 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3505 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3506 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3507 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3508 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3509 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3510 "_ATC_TCPL_TO_NOT_PEND\n");
3511 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3512 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3513 "ATC_GPA_MULTIPLE_HITS\n");
3514 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3515 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3516 "ATC_RCPL_TO_EMPTY_CNT\n");
3517 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3518 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3519 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3520 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3521 "ATC_IREQ_LESS_THAN_STU\n");
3522 }
3523
3524 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3525 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3526 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3527 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3528 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3529 }
3530
3531}
3532
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003533static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3534{
3535 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003536 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003537 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003538 u32 reg_addr;
3539 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003540 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003541
3542 /* need to take HW lock because MCP or other port might also
3543 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003544 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003545
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003546 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003547 bp->recovery_state = BNX2X_RECOVERY_INIT;
3548 bnx2x_set_reset_in_progress(bp);
3549 schedule_delayed_work(&bp->reset_task, 0);
3550 /* Disable HW interrupts */
3551 bnx2x_int_disable(bp);
3552 bnx2x_release_alr(bp);
3553 /* In case of parity errors don't handle attentions so that
3554 * other function would "see" parity errors.
3555 */
3556 return;
3557 }
3558
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003559 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3560 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3561 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3562 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003563 if (CHIP_IS_E2(bp))
3564 attn.sig[4] =
3565 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3566 else
3567 attn.sig[4] = 0;
3568
3569 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3570 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571
3572 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3573 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003574 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003575
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003576 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3577 "%08x %08x %08x\n",
3578 index,
3579 group_mask->sig[0], group_mask->sig[1],
3580 group_mask->sig[2], group_mask->sig[3],
3581 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003582
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003583 bnx2x_attn_int_deasserted4(bp,
3584 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003585 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003586 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003587 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003588 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003589 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003590 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003591 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003592 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003593 }
3594 }
3595
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003596 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003597
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003598 if (bp->common.int_block == INT_BLOCK_HC)
3599 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3600 COMMAND_REG_ATTN_BITS_CLR);
3601 else
3602 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003603
3604 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003605 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3606 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003607 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003608
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003609 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003610 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003611
3612 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3613 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3614
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003615 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3616 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003617
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003618 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3619 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003620 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003621 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3622
3623 REG_WR(bp, reg_addr, aeu_mask);
3624 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003625
3626 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3627 bp->attn_state &= ~deasserted;
3628 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3629}
3630
3631static void bnx2x_attn_int(struct bnx2x *bp)
3632{
3633 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003634 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3635 attn_bits);
3636 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3637 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003638 u32 attn_state = bp->attn_state;
3639
3640 /* look for changed bits */
3641 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3642 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3643
3644 DP(NETIF_MSG_HW,
3645 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3646 attn_bits, attn_ack, asserted, deasserted);
3647
3648 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003649 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003650
3651 /* handle bits that were raised */
3652 if (asserted)
3653 bnx2x_attn_int_asserted(bp, asserted);
3654
3655 if (deasserted)
3656 bnx2x_attn_int_deasserted(bp, deasserted);
3657}
3658
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003659static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3660{
3661 /* No memory barriers */
3662 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3663 mmiowb(); /* keep prod updates ordered */
3664}
3665
3666#ifdef BCM_CNIC
3667static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3668 union event_ring_elem *elem)
3669{
3670 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00003671 (cid < bp->cnic_eth_dev.starting_cid &&
3672 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003673 return 1;
3674
3675 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3676
3677 if (unlikely(elem->message.data.cfc_del_event.error)) {
3678 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3679 cid);
3680 bnx2x_panic_dump(bp);
3681 }
3682 bnx2x_cnic_cfc_comp(bp, cid);
3683 return 0;
3684}
3685#endif
3686
3687static void bnx2x_eq_int(struct bnx2x *bp)
3688{
3689 u16 hw_cons, sw_cons, sw_prod;
3690 union event_ring_elem *elem;
3691 u32 cid;
3692 u8 opcode;
3693 int spqe_cnt = 0;
3694
3695 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3696
3697 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3698 * when we get the the next-page we nned to adjust so the loop
3699 * condition below will be met. The next element is the size of a
3700 * regular element and hence incrementing by 1
3701 */
3702 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3703 hw_cons++;
3704
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003705 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003706 * specific bp, thus there is no need in "paired" read memory
3707 * barrier here.
3708 */
3709 sw_cons = bp->eq_cons;
3710 sw_prod = bp->eq_prod;
3711
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003712 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3713 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003714
3715 for (; sw_cons != hw_cons;
3716 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3717
3718
3719 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3720
3721 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3722 opcode = elem->message.opcode;
3723
3724
3725 /* handle eq element */
3726 switch (opcode) {
3727 case EVENT_RING_OPCODE_STAT_QUERY:
3728 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3729 /* nothing to do with stats comp */
3730 continue;
3731
3732 case EVENT_RING_OPCODE_CFC_DEL:
3733 /* handle according to cid range */
3734 /*
3735 * we may want to verify here that the bp state is
3736 * HALTING
3737 */
3738 DP(NETIF_MSG_IFDOWN,
3739 "got delete ramrod for MULTI[%d]\n", cid);
3740#ifdef BCM_CNIC
3741 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3742 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003743 if (cid == BNX2X_FCOE_ETH_CID)
3744 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3745 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003746#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003747 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003748 BNX2X_FP_STATE_CLOSED;
3749
3750 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003751
3752 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3753 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3754 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3755 goto next_spqe;
3756 case EVENT_RING_OPCODE_START_TRAFFIC:
3757 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3758 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3759 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003760 }
3761
3762 switch (opcode | bp->state) {
3763 case (EVENT_RING_OPCODE_FUNCTION_START |
3764 BNX2X_STATE_OPENING_WAIT4_PORT):
3765 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3766 bp->state = BNX2X_STATE_FUNC_STARTED;
3767 break;
3768
3769 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3770 BNX2X_STATE_CLOSING_WAIT4_HALT):
3771 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3772 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3773 break;
3774
3775 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3776 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3777 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003778 if (elem->message.data.set_mac_event.echo)
3779 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003780 break;
3781
3782 case (EVENT_RING_OPCODE_SET_MAC |
3783 BNX2X_STATE_CLOSING_WAIT4_HALT):
3784 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003785 if (elem->message.data.set_mac_event.echo)
3786 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003787 break;
3788 default:
3789 /* unknown event log error and continue */
3790 BNX2X_ERR("Unknown EQ event %d\n",
3791 elem->message.opcode);
3792 }
3793next_spqe:
3794 spqe_cnt++;
3795 } /* for */
3796
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003797 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003798 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003799
3800 bp->eq_cons = sw_cons;
3801 bp->eq_prod = sw_prod;
3802 /* Make sure that above mem writes were issued towards the memory */
3803 smp_wmb();
3804
3805 /* update producer */
3806 bnx2x_update_eq_prod(bp, bp->eq_prod);
3807}
3808
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809static void bnx2x_sp_task(struct work_struct *work)
3810{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003811 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003812 u16 status;
3813
3814 /* Return here if interrupt is disabled */
3815 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003816 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003817 return;
3818 }
3819
3820 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003821/* if (status == 0) */
3822/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003823
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003824 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003825
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003826 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003827 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003828 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003829 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003830 }
3831
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003832 /* SP events: STAT_QUERY and others */
3833 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003834#ifdef BCM_CNIC
3835 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003836
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003837 if ((!NO_FCOE(bp)) &&
3838 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3839 napi_schedule(&bnx2x_fcoe(bp, napi));
3840#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003841 /* Handle EQ completions */
3842 bnx2x_eq_int(bp);
3843
3844 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3845 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3846
3847 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003848 }
3849
3850 if (unlikely(status))
3851 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3852 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003853
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003854 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3855 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003856}
3857
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003858irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003859{
3860 struct net_device *dev = dev_instance;
3861 struct bnx2x *bp = netdev_priv(dev);
3862
3863 /* Return here if interrupt is disabled */
3864 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003865 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003866 return IRQ_HANDLED;
3867 }
3868
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003869 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3870 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003871
3872#ifdef BNX2X_STOP_ON_ERROR
3873 if (unlikely(bp->panic))
3874 return IRQ_HANDLED;
3875#endif
3876
Michael Chan993ac7b2009-10-10 13:46:56 +00003877#ifdef BCM_CNIC
3878 {
3879 struct cnic_ops *c_ops;
3880
3881 rcu_read_lock();
3882 c_ops = rcu_dereference(bp->cnic_ops);
3883 if (c_ops)
3884 c_ops->cnic_handler(bp->cnic_data, NULL);
3885 rcu_read_unlock();
3886 }
3887#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003888 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003889
3890 return IRQ_HANDLED;
3891}
3892
3893/* end of slow path */
3894
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003895static void bnx2x_timer(unsigned long data)
3896{
3897 struct bnx2x *bp = (struct bnx2x *) data;
3898
3899 if (!netif_running(bp->dev))
3900 return;
3901
3902 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003903 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003904
3905 if (poll) {
3906 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003907
Eilon Greenstein7961f792009-03-02 07:59:31 +00003908 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003909 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003910 }
3911
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003912 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003913 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003914 u32 drv_pulse;
3915 u32 mcp_pulse;
3916
3917 ++bp->fw_drv_pulse_wr_seq;
3918 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3919 /* TBD - add SYSTEM_TIME */
3920 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003921 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003922
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003923 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003924 MCP_PULSE_SEQ_MASK);
3925 /* The delta between driver pulse and mcp response
3926 * should be 1 (before mcp response) or 0 (after mcp response)
3927 */
3928 if ((drv_pulse != mcp_pulse) &&
3929 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3930 /* someone lost a heartbeat... */
3931 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3932 drv_pulse, mcp_pulse);
3933 }
3934 }
3935
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003936 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003937 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003938
Eliezer Tamirf1410642008-02-28 11:51:50 -08003939timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003940 mod_timer(&bp->timer, jiffies + bp->current_interval);
3941}
3942
3943/* end of Statistics */
3944
3945/* nic init */
3946
3947/*
3948 * nic init service functions
3949 */
3950
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003951static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003952{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003953 u32 i;
3954 if (!(len%4) && !(addr%4))
3955 for (i = 0; i < len; i += 4)
3956 REG_WR(bp, addr + i, fill);
3957 else
3958 for (i = 0; i < len; i++)
3959 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003960
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003961}
3962
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003963/* helper: writes FP SP data to FW - data_size in dwords */
3964static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3965 int fw_sb_id,
3966 u32 *sb_data_p,
3967 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003968{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003969 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003970 for (index = 0; index < data_size; index++)
3971 REG_WR(bp, BAR_CSTRORM_INTMEM +
3972 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3973 sizeof(u32)*index,
3974 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003975}
3976
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003977static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3978{
3979 u32 *sb_data_p;
3980 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003981 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003982 struct hc_status_block_data_e1x sb_data_e1x;
3983
3984 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003985 if (CHIP_IS_E2(bp)) {
3986 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3987 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3988 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3989 sb_data_e2.common.p_func.vf_valid = false;
3990 sb_data_p = (u32 *)&sb_data_e2;
3991 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3992 } else {
3993 memset(&sb_data_e1x, 0,
3994 sizeof(struct hc_status_block_data_e1x));
3995 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3996 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3997 sb_data_e1x.common.p_func.vf_valid = false;
3998 sb_data_p = (u32 *)&sb_data_e1x;
3999 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4000 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004001 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4002
4003 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4004 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4005 CSTORM_STATUS_BLOCK_SIZE);
4006 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4007 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4008 CSTORM_SYNC_BLOCK_SIZE);
4009}
4010
4011/* helper: writes SP SB data to FW */
4012static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4013 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004014{
4015 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004016 int i;
4017 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4018 REG_WR(bp, BAR_CSTRORM_INTMEM +
4019 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4020 i*sizeof(u32),
4021 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004022}
4023
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004024static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4025{
4026 int func = BP_FUNC(bp);
4027 struct hc_sp_status_block_data sp_sb_data;
4028 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4029
4030 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4031 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4032 sp_sb_data.p_func.vf_valid = false;
4033
4034 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4035
4036 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4037 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4038 CSTORM_SP_STATUS_BLOCK_SIZE);
4039 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4040 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4041 CSTORM_SP_SYNC_BLOCK_SIZE);
4042
4043}
4044
4045
4046static inline
4047void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4048 int igu_sb_id, int igu_seg_id)
4049{
4050 hc_sm->igu_sb_id = igu_sb_id;
4051 hc_sm->igu_seg_id = igu_seg_id;
4052 hc_sm->timer_value = 0xFF;
4053 hc_sm->time_to_expire = 0xFFFFFFFF;
4054}
4055
stephen hemminger8d962862010-10-21 07:50:56 +00004056static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004057 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4058{
4059 int igu_seg_id;
4060
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004061 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004062 struct hc_status_block_data_e1x sb_data_e1x;
4063 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004064 int data_size;
4065 u32 *sb_data_p;
4066
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004067 if (CHIP_INT_MODE_IS_BC(bp))
4068 igu_seg_id = HC_SEG_ACCESS_NORM;
4069 else
4070 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004071
4072 bnx2x_zero_fp_sb(bp, fw_sb_id);
4073
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004074 if (CHIP_IS_E2(bp)) {
4075 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4076 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4077 sb_data_e2.common.p_func.vf_id = vfid;
4078 sb_data_e2.common.p_func.vf_valid = vf_valid;
4079 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4080 sb_data_e2.common.same_igu_sb_1b = true;
4081 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4082 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4083 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004084 sb_data_p = (u32 *)&sb_data_e2;
4085 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4086 } else {
4087 memset(&sb_data_e1x, 0,
4088 sizeof(struct hc_status_block_data_e1x));
4089 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4090 sb_data_e1x.common.p_func.vf_id = 0xff;
4091 sb_data_e1x.common.p_func.vf_valid = false;
4092 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4093 sb_data_e1x.common.same_igu_sb_1b = true;
4094 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4095 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4096 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004097 sb_data_p = (u32 *)&sb_data_e1x;
4098 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4099 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004100
4101 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4102 igu_sb_id, igu_seg_id);
4103 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4104 igu_sb_id, igu_seg_id);
4105
4106 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4107
4108 /* write indecies to HW */
4109 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4110}
4111
4112static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4113 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004114{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004115 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004116 u8 ticks = usec / BNX2X_BTR;
4117
4118 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4119
4120 disable = disable ? 1 : (usec ? 0 : 1);
4121 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4122}
4123
4124static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4125 u16 tx_usec, u16 rx_usec)
4126{
4127 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4128 false, rx_usec);
4129 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4130 false, tx_usec);
4131}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004132
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004133static void bnx2x_init_def_sb(struct bnx2x *bp)
4134{
4135 struct host_sp_status_block *def_sb = bp->def_status_blk;
4136 dma_addr_t mapping = bp->def_status_blk_mapping;
4137 int igu_sp_sb_index;
4138 int igu_seg_id;
4139 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004140 int func = BP_FUNC(bp);
Dmitry Kravkove69f24b2011-09-22 02:33:31 +00004141 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004143 int index;
4144 struct hc_sp_status_block_data sp_sb_data;
4145 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4146
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004147 if (CHIP_INT_MODE_IS_BC(bp)) {
4148 igu_sp_sb_index = DEF_SB_IGU_ID;
4149 igu_seg_id = HC_SEG_ACCESS_DEF;
4150 } else {
4151 igu_sp_sb_index = bp->igu_dsb_id;
4152 igu_seg_id = IGU_SEG_ACCESS_DEF;
4153 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004154
4155 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004156 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004157 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004158 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004159
Eliezer Tamir49d66772008-02-28 11:53:13 -08004160 bp->attn_state = 0;
4161
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004162 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4163 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Dmitry Kravkove69f24b2011-09-22 02:33:31 +00004164 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
4165 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004166 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004167 int sindex;
4168 /* take care of sig[0]..sig[4] */
4169 for (sindex = 0; sindex < 4; sindex++)
4170 bp->attn_group[index].sig[sindex] =
4171 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004172
4173 if (CHIP_IS_E2(bp))
4174 /*
4175 * enable5 is separate from the rest of the registers,
4176 * and therefore the address skip is 4
4177 * and not 16 between the different groups
4178 */
4179 bp->attn_group[index].sig[4] = REG_RD(bp,
Dmitry Kravkove69f24b2011-09-22 02:33:31 +00004180 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004181 else
4182 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004183 }
4184
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004185 if (bp->common.int_block == INT_BLOCK_HC) {
4186 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4187 HC_REG_ATTN_MSG0_ADDR_L);
4188
4189 REG_WR(bp, reg_offset, U64_LO(section));
4190 REG_WR(bp, reg_offset + 4, U64_HI(section));
4191 } else if (CHIP_IS_E2(bp)) {
4192 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4193 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4194 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004195
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004196 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4197 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004198
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004199 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004200
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004201 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4202 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4203 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4204 sp_sb_data.igu_seg_id = igu_seg_id;
4205 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004206 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004207 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004209 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004210
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004211 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004212 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004213
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004214 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215}
4216
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004217void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004218{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004219 int i;
4220
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004221 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004222 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004223 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004224}
4225
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226static void bnx2x_init_sp_ring(struct bnx2x *bp)
4227{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004228 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004229 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004230
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004231 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004232 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4233 bp->spq_prod_bd = bp->spq;
4234 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004235}
4236
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004237static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004238{
4239 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004240 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4241 union event_ring_elem *elem =
4242 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004243
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004244 elem->next_page.addr.hi =
4245 cpu_to_le32(U64_HI(bp->eq_mapping +
4246 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4247 elem->next_page.addr.lo =
4248 cpu_to_le32(U64_LO(bp->eq_mapping +
4249 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004250 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004251 bp->eq_cons = 0;
4252 bp->eq_prod = NUM_EQ_DESC;
4253 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004254 /* we want a warning message before it gets rought... */
4255 atomic_set(&bp->eq_spq_left,
4256 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004257}
4258
Tom Herbertab532cf2011-02-16 10:27:02 +00004259void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004260{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004261 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004262 int i;
4263
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004264 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004265 return;
4266
4267 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004268 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004269 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004270 bp->fp->cl_id + bp->rx_indir_table[i]);
4271}
4272
4273static void bnx2x_init_ind_table(struct bnx2x *bp)
4274{
4275 int i;
4276
4277 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4278 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4279
4280 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004281}
4282
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004283void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004284{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004285 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004286 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004287 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004288 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004289
Eilon Greenstein581ce432009-07-29 00:20:04 +00004290 /* All but management unicast packets should pass to the host as well */
4291 u32 llh_mask =
4292 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4293 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4294 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4295 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004296
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004297 switch (mode) {
4298 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004299 def_q_filters = BNX2X_ACCEPT_NONE;
4300#ifdef BCM_CNIC
4301 if (!NO_FCOE(bp)) {
4302 cl_id = bnx2x_fcoe(bp, cl_id);
4303 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4304 }
4305#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004306 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004307
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004308 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004309 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4310 BNX2X_ACCEPT_MULTICAST;
4311#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004312 if (!NO_FCOE(bp)) {
4313 cl_id = bnx2x_fcoe(bp, cl_id);
4314 bnx2x_rxq_set_mac_filters(bp, cl_id,
4315 BNX2X_ACCEPT_UNICAST |
4316 BNX2X_ACCEPT_MULTICAST);
4317 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004318#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004319 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004320
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004321 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004322 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4323 BNX2X_ACCEPT_ALL_MULTICAST;
4324#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004325 /*
4326 * Prevent duplication of multicast packets by configuring FCoE
4327 * L2 Client to receive only matched unicast frames.
4328 */
4329 if (!NO_FCOE(bp)) {
4330 cl_id = bnx2x_fcoe(bp, cl_id);
4331 bnx2x_rxq_set_mac_filters(bp, cl_id,
4332 BNX2X_ACCEPT_UNICAST);
4333 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004334#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004335 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004336
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004338 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4339#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004340 /*
4341 * Prevent packets duplication by configuring DROP_ALL for FCoE
4342 * L2 Client.
4343 */
4344 if (!NO_FCOE(bp)) {
4345 cl_id = bnx2x_fcoe(bp, cl_id);
4346 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4347 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004348#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004349 /* pass management unicast packets as well */
4350 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004351 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004352
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004353 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004354 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4355 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004356 }
4357
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004358 cl_id = BP_L_ID(bp);
4359 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4360
Eilon Greenstein581ce432009-07-29 00:20:04 +00004361 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004362 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4363 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004364
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004365 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4366 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004367 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4368 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004369 bp->mac_filters.ucast_drop_all,
4370 bp->mac_filters.mcast_drop_all,
4371 bp->mac_filters.bcast_drop_all,
4372 bp->mac_filters.ucast_accept_all,
4373 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004374 bp->mac_filters.bcast_accept_all,
4375 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004376 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004377
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004378 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004379}
4380
Eilon Greenstein471de712008-08-13 15:49:35 -07004381static void bnx2x_init_internal_common(struct bnx2x *bp)
4382{
4383 int i;
4384
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004385 if (!CHIP_IS_E1(bp)) {
4386
4387 /* xstorm needs to know whether to add ovlan to packets or not,
4388 * in switch-independent we'll write 0 to here... */
4389 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004390 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004391 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004392 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004393 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004394 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004395 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004396 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004397 }
4398
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004399 if (IS_MF_SI(bp))
4400 /*
4401 * In switch independent mode, the TSTORM needs to accept
4402 * packets that failed classification, since approximate match
4403 * mac addresses aren't written to NIG LLH
4404 */
4405 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4406 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4407
Eilon Greenstein471de712008-08-13 15:49:35 -07004408 /* Zero this manually as its initialization is
4409 currently missing in the initTool */
4410 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4411 REG_WR(bp, BAR_USTRORM_INTMEM +
4412 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004413 if (CHIP_IS_E2(bp)) {
4414 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4415 CHIP_INT_MODE_IS_BC(bp) ?
4416 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4417 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004418}
4419
4420static void bnx2x_init_internal_port(struct bnx2x *bp)
4421{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004422 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004423 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004424}
4425
Eilon Greenstein471de712008-08-13 15:49:35 -07004426static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4427{
4428 switch (load_code) {
4429 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004430 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004431 bnx2x_init_internal_common(bp);
4432 /* no break */
4433
4434 case FW_MSG_CODE_DRV_LOAD_PORT:
4435 bnx2x_init_internal_port(bp);
4436 /* no break */
4437
4438 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004439 /* internal memory per function is
4440 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004441 break;
4442
4443 default:
4444 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4445 break;
4446 }
4447}
4448
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004449static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4450{
4451 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4452
4453 fp->state = BNX2X_FP_STATE_CLOSED;
4454
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004455 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004456 fp->cl_id = BP_L_ID(bp) + fp_idx;
4457 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4458 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4459 /* qZone id equals to FW (per path) client id */
4460 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004461 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4462 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004463 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004464 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4465 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004466 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4467 /* Setup SB indicies */
4468 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4469 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4470
4471 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4472 "cl_id %d fw_sb %d igu_sb %d\n",
4473 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4474 fp->igu_sb_id);
4475 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4476 fp->fw_sb_id, fp->igu_sb_id);
4477
4478 bnx2x_update_fpsb_idx(fp);
4479}
4480
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004481void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004482{
4483 int i;
4484
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004485 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004486 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004487#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004488 if (!NO_FCOE(bp))
4489 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004490
4491 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4492 BNX2X_VF_ID_INVALID, false,
4493 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4494
Michael Chan37b091b2009-10-10 13:46:55 +00004495#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004496
Eilon Greenstein16119782009-03-02 07:59:27 +00004497 /* ensure status block indices were read */
4498 rmb();
4499
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004500 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004501 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004502 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004503 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004504 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004505 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004506 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004507 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004508 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004509 bnx2x_stats_init(bp);
4510
4511 /* At this point, we are ready for interrupts */
4512 atomic_set(&bp->intr_sem, 0);
4513
4514 /* flush all before enabling interrupts */
4515 mb();
4516 mmiowb();
4517
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004518 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004519
4520 /* Check for SPIO5 */
4521 bnx2x_attn_int_deasserted0(bp,
4522 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4523 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004524}
4525
4526/* end of nic init */
4527
4528/*
4529 * gzip service functions
4530 */
4531
4532static int bnx2x_gunzip_init(struct bnx2x *bp)
4533{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004534 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4535 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004536 if (bp->gunzip_buf == NULL)
4537 goto gunzip_nomem1;
4538
4539 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4540 if (bp->strm == NULL)
4541 goto gunzip_nomem2;
4542
David S. Miller7ab24bf2011-06-29 05:48:41 -07004543 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004544 if (bp->strm->workspace == NULL)
4545 goto gunzip_nomem3;
4546
4547 return 0;
4548
4549gunzip_nomem3:
4550 kfree(bp->strm);
4551 bp->strm = NULL;
4552
4553gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004554 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4555 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004556 bp->gunzip_buf = NULL;
4557
4558gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004559 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4560 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004561 return -ENOMEM;
4562}
4563
4564static void bnx2x_gunzip_end(struct bnx2x *bp)
4565{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004566 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07004567 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004568 kfree(bp->strm);
4569 bp->strm = NULL;
4570 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004571
4572 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004573 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4574 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004575 bp->gunzip_buf = NULL;
4576 }
4577}
4578
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004579static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004580{
4581 int n, rc;
4582
4583 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004584 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4585 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004587 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004588
4589 n = 10;
4590
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004591#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592
4593 if (zbuf[3] & FNAME)
4594 while ((zbuf[n++] != 0) && (n < len));
4595
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004596 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004597 bp->strm->avail_in = len - n;
4598 bp->strm->next_out = bp->gunzip_buf;
4599 bp->strm->avail_out = FW_BUF_SIZE;
4600
4601 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4602 if (rc != Z_OK)
4603 return rc;
4604
4605 rc = zlib_inflate(bp->strm, Z_FINISH);
4606 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004607 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4608 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004609
4610 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4611 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004612 netdev_err(bp->dev, "Firmware decompression error:"
4613 " gunzip_outlen (%d) not aligned\n",
4614 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004615 bp->gunzip_outlen >>= 2;
4616
4617 zlib_inflateEnd(bp->strm);
4618
4619 if (rc == Z_STREAM_END)
4620 return 0;
4621
4622 return rc;
4623}
4624
4625/* nic load/unload */
4626
4627/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004628 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004629 */
4630
4631/* send a NIG loopback debug packet */
4632static void bnx2x_lb_pckt(struct bnx2x *bp)
4633{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004634 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004635
4636 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004637 wb_write[0] = 0x55555555;
4638 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004639 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004640 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004641
4642 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004643 wb_write[0] = 0x09000000;
4644 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004645 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004646 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004647}
4648
4649/* some of the internal memories
4650 * are not directly readable from the driver
4651 * to test them we send debug packets
4652 */
4653static int bnx2x_int_mem_test(struct bnx2x *bp)
4654{
4655 int factor;
4656 int count, i;
4657 u32 val = 0;
4658
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004659 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004660 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004661 else if (CHIP_REV_IS_EMUL(bp))
4662 factor = 200;
4663 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004664 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004665
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004666 /* Disable inputs of parser neighbor blocks */
4667 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4668 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4669 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004670 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004671
4672 /* Write 0 to parser credits for CFC search request */
4673 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4674
4675 /* send Ethernet packet */
4676 bnx2x_lb_pckt(bp);
4677
4678 /* TODO do i reset NIG statistic? */
4679 /* Wait until NIG register shows 1 packet of size 0x10 */
4680 count = 1000 * factor;
4681 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004682
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004683 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4684 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004685 if (val == 0x10)
4686 break;
4687
4688 msleep(10);
4689 count--;
4690 }
4691 if (val != 0x10) {
4692 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4693 return -1;
4694 }
4695
4696 /* Wait until PRS register shows 1 packet */
4697 count = 1000 * factor;
4698 while (count) {
4699 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004700 if (val == 1)
4701 break;
4702
4703 msleep(10);
4704 count--;
4705 }
4706 if (val != 0x1) {
4707 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4708 return -2;
4709 }
4710
4711 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004712 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004713 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004714 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004715 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004716 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4717 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004718
4719 DP(NETIF_MSG_HW, "part2\n");
4720
4721 /* Disable inputs of parser neighbor blocks */
4722 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4723 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4724 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004725 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004726
4727 /* Write 0 to parser credits for CFC search request */
4728 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4729
4730 /* send 10 Ethernet packets */
4731 for (i = 0; i < 10; i++)
4732 bnx2x_lb_pckt(bp);
4733
4734 /* Wait until NIG register shows 10 + 1
4735 packets of size 11*0x10 = 0xb0 */
4736 count = 1000 * factor;
4737 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004738
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004739 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4740 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004741 if (val == 0xb0)
4742 break;
4743
4744 msleep(10);
4745 count--;
4746 }
4747 if (val != 0xb0) {
4748 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4749 return -3;
4750 }
4751
4752 /* Wait until PRS register shows 2 packets */
4753 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4754 if (val != 2)
4755 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4756
4757 /* Write 1 to parser credits for CFC search request */
4758 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4759
4760 /* Wait until PRS register shows 3 packets */
4761 msleep(10 * factor);
4762 /* Wait until NIG register shows 1 packet of size 0x10 */
4763 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4764 if (val != 3)
4765 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4766
4767 /* clear NIG EOP FIFO */
4768 for (i = 0; i < 11; i++)
4769 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4770 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4771 if (val != 1) {
4772 BNX2X_ERR("clear of NIG failed\n");
4773 return -4;
4774 }
4775
4776 /* Reset and init BRB, PRS, NIG */
4777 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4778 msleep(50);
4779 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4780 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004781 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4782 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004783#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004784 /* set NIC mode */
4785 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4786#endif
4787
4788 /* Enable inputs of parser neighbor blocks */
4789 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4790 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4791 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004792 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004793
4794 DP(NETIF_MSG_HW, "done\n");
4795
4796 return 0; /* OK */
4797}
4798
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004799static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004800{
4801 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004802 if (CHIP_IS_E2(bp))
4803 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4804 else
4805 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004806 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4807 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004808 /*
4809 * mask read length error interrupts in brb for parser
4810 * (parsing unit and 'checksum and crc' unit)
4811 * these errors are legal (PU reads fixed length and CAC can cause
4812 * read length error on truncated packets)
4813 */
4814 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004815 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4816 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4817 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4818 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4819 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004820/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4821/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004822 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4823 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4824 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004825/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4826/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004827 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4828 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4829 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4830 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004831/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4832/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004833
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004834 if (CHIP_REV_IS_FPGA(bp))
4835 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004836 else if (CHIP_IS_E2(bp))
4837 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4838 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4839 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4840 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4841 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4842 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004843 else
4844 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004845 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4846 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4847 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004848/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4849/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004850 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4851 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004852/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004853 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004854}
4855
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004856static void bnx2x_reset_common(struct bnx2x *bp)
4857{
4858 /* reset_common */
4859 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4860 0xd3ffff7f);
4861 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4862}
4863
Eilon Greenstein573f2032009-08-12 08:24:14 +00004864static void bnx2x_init_pxp(struct bnx2x *bp)
4865{
4866 u16 devctl;
4867 int r_order, w_order;
4868
4869 pci_read_config_word(bp->pdev,
4870 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4871 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4872 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4873 if (bp->mrrs == -1)
4874 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4875 else {
4876 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4877 r_order = bp->mrrs;
4878 }
4879
4880 bnx2x_init_pxp_arb(bp, r_order, w_order);
4881}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004882
4883static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4884{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004885 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004886 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004887 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004888
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004889 if (BP_NOMCP(bp))
4890 return;
4891
4892 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004893 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4894 SHARED_HW_CFG_FAN_FAILURE_MASK;
4895
4896 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4897 is_required = 1;
4898
4899 /*
4900 * The fan failure mechanism is usually related to the PHY type since
4901 * the power consumption of the board is affected by the PHY. Currently,
4902 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4903 */
4904 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4905 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004906 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004907 bnx2x_fan_failure_det_req(
4908 bp,
4909 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004910 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004911 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004912 }
4913
4914 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4915
4916 if (is_required == 0)
4917 return;
4918
4919 /* Fan failure is indicated by SPIO 5 */
4920 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4921 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4922
4923 /* set to active low mode */
4924 val = REG_RD(bp, MISC_REG_SPIO_INT);
4925 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004926 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004927 REG_WR(bp, MISC_REG_SPIO_INT, val);
4928
4929 /* enable interrupt to signal the IGU */
4930 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4931 val |= (1 << MISC_REGISTERS_SPIO_5);
4932 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4933}
4934
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004935static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4936{
4937 u32 offset = 0;
4938
4939 if (CHIP_IS_E1(bp))
4940 return;
4941 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4942 return;
4943
4944 switch (BP_ABS_FUNC(bp)) {
4945 case 0:
4946 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4947 break;
4948 case 1:
4949 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4950 break;
4951 case 2:
4952 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4953 break;
4954 case 3:
4955 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4956 break;
4957 case 4:
4958 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4959 break;
4960 case 5:
4961 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4962 break;
4963 case 6:
4964 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4965 break;
4966 case 7:
4967 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4968 break;
4969 default:
4970 return;
4971 }
4972
4973 REG_WR(bp, offset, pretend_func_num);
4974 REG_RD(bp, offset);
4975 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4976}
4977
4978static void bnx2x_pf_disable(struct bnx2x *bp)
4979{
4980 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4981 val &= ~IGU_PF_CONF_FUNC_EN;
4982
4983 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4984 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4985 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4986}
4987
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004988static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004989{
4990 u32 val, i;
4991
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004992 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004993
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004994 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004995 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4996 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4997
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004998 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004999 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005000 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005001
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005002 if (CHIP_IS_E2(bp)) {
5003 u8 fid;
5004
5005 /**
5006 * 4-port mode or 2-port mode we need to turn of master-enable
5007 * for everyone, after that, turn it back on for self.
5008 * so, we disregard multi-function or not, and always disable
5009 * for all functions on the given path, this means 0,2,4,6 for
5010 * path 0 and 1,3,5,7 for path 1
5011 */
5012 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5013 if (fid == BP_ABS_FUNC(bp)) {
5014 REG_WR(bp,
5015 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5016 1);
5017 continue;
5018 }
5019
5020 bnx2x_pretend_func(bp, fid);
5021 /* clear pf enable */
5022 bnx2x_pf_disable(bp);
5023 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5024 }
5025 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005026
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005027 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005028 if (CHIP_IS_E1(bp)) {
5029 /* enable HW interrupt from PXP on USDM overflow
5030 bit 16 on INT_MASK_0 */
5031 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005032 }
5033
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005034 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005035 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005036
5037#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005038 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5039 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5040 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5041 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5042 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005043 /* make sure this value is 0 */
5044 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005045
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005046/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5047 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5048 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5049 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5050 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005051#endif
5052
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005053 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005055 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5056 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005057
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005058 /* let the HW do it's magic ... */
5059 msleep(100);
5060 /* finish PXP init */
5061 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5062 if (val != 1) {
5063 BNX2X_ERR("PXP2 CFG failed\n");
5064 return -EBUSY;
5065 }
5066 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5067 if (val != 1) {
5068 BNX2X_ERR("PXP2 RD_INIT failed\n");
5069 return -EBUSY;
5070 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005071
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005072 /* Timers bug workaround E2 only. We need to set the entire ILT to
5073 * have entries with value "0" and valid bit on.
5074 * This needs to be done by the first PF that is loaded in a path
5075 * (i.e. common phase)
5076 */
5077 if (CHIP_IS_E2(bp)) {
5078 struct ilt_client_info ilt_cli;
5079 struct bnx2x_ilt ilt;
5080 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5081 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5082
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005083 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005084 ilt_cli.start = 0;
5085 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5086 ilt_cli.client_num = ILT_CLIENT_TM;
5087
5088 /* Step 1: set zeroes to all ilt page entries with valid bit on
5089 * Step 2: set the timers first/last ilt entry to point
5090 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005091 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005092 *
5093 * both steps performed by call to bnx2x_ilt_client_init_op()
5094 * with dummy TM client
5095 *
5096 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5097 * and his brother are split registers
5098 */
5099 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5100 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5101 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5102
5103 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5104 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5105 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5106 }
5107
5108
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005109 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5110 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005111
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005112 if (CHIP_IS_E2(bp)) {
5113 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5114 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5115 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5116
5117 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5118
5119 /* let the HW do it's magic ... */
5120 do {
5121 msleep(200);
5122 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5123 } while (factor-- && (val != 1));
5124
5125 if (val != 1) {
5126 BNX2X_ERR("ATC_INIT failed\n");
5127 return -EBUSY;
5128 }
5129 }
5130
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005131 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005132
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005133 /* clean the DMAE memory */
5134 bp->dmae_ready = 1;
5135 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005136
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005137 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5138 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5139 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5140 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005141
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005142 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5143 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5144 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5145 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5146
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005147 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005148
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005149 if (CHIP_MODE_IS_4_PORT(bp))
5150 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005151
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005152 /* QM queues pointers table */
5153 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005154
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005155 /* soft reset pulse */
5156 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5157 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005158
Michael Chan37b091b2009-10-10 13:46:55 +00005159#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005160 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005161#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005162
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005163 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005164 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5165
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005166 if (!CHIP_REV_IS_SLOW(bp)) {
5167 /* enable hw interrupt from doorbell Q */
5168 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5169 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005170
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005171 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005172 if (CHIP_MODE_IS_4_PORT(bp)) {
5173 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5174 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5175 }
5176
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005177 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005178 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005179#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005180 /* set NIC mode */
5181 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005182#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005183 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005184 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005185
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005186 if (CHIP_IS_E2(bp)) {
5187 /* Bit-map indicating which L2 hdrs may appear after the
5188 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005189 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005190 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5191 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5192 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005193
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005194 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5195 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5196 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5197 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005198
Eilon Greensteinca003922009-08-12 22:53:28 -07005199 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5200 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5201 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5202 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005203
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005204 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5205 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5206 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5207 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005208
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005209 if (CHIP_MODE_IS_4_PORT(bp))
5210 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5211
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005212 /* sync semi rtc */
5213 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5214 0x80000000);
5215 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5216 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005217
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005218 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5219 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5220 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005221
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005222 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005223 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005224 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5225 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5226 }
5227
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005228 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005229 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5230 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005231
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005232 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005233#ifdef BCM_CNIC
5234 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5235 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5236 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5237 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5238 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5239 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5240 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5241 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5242 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5243 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5244#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005245 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005246
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005247 if (sizeof(union cdu_context) != 1024)
5248 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005249 dev_alert(&bp->pdev->dev, "please adjust the size "
5250 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005251 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005252
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005253 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005254 val = (4 << 24) + (0 << 12) + 1024;
5255 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005256
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005257 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005258 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005259 /* enable context validation interrupt from CFC */
5260 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5261
5262 /* set the thresholds to prevent CFC/CDU race */
5263 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005264
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005265 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005266
5267 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5268 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5269
5270 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005271 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005272
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005273 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005274 /* Reset PCIE errors for debug */
5275 REG_WR(bp, 0x2814, 0xffffffff);
5276 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005277
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005278 if (CHIP_IS_E2(bp)) {
5279 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5280 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5281 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5282 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5283 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5284 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5285 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5286 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5287 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5288 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5289 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5290 }
5291
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005292 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005293 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005294 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005295 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005296
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005297 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005298 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005299 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005300 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005301 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005302 if (CHIP_IS_E2(bp)) {
5303 /* Bit-map indicating which L2 hdrs may appear after the
5304 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005305 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005306 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005307
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005308 if (CHIP_REV_IS_SLOW(bp))
5309 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005310
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005311 /* finish CFC init */
5312 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5313 if (val != 1) {
5314 BNX2X_ERR("CFC LL_INIT failed\n");
5315 return -EBUSY;
5316 }
5317 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5318 if (val != 1) {
5319 BNX2X_ERR("CFC AC_INIT failed\n");
5320 return -EBUSY;
5321 }
5322 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5323 if (val != 1) {
5324 BNX2X_ERR("CFC CAM_INIT failed\n");
5325 return -EBUSY;
5326 }
5327 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005328
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005329 if (CHIP_IS_E1(bp)) {
5330 /* read NIG statistic
5331 to see if this is our first up since powerup */
5332 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5333 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005334
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005335 /* do internal memory self test */
5336 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5337 BNX2X_ERR("internal mem self test failed\n");
5338 return -EBUSY;
5339 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005340 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005341
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005342 bnx2x_setup_fan_failure_detection(bp);
5343
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005344 /* clear PXP2 attentions */
5345 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005346
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005347 bnx2x_enable_blocks_attention(bp);
5348 if (CHIP_PARITY_ENABLED(bp))
5349 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005350
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005351 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005352 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5353 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5354 CHIP_IS_E1x(bp)) {
5355 u32 shmem_base[2], shmem2_base[2];
5356 shmem_base[0] = bp->common.shmem_base;
5357 shmem2_base[0] = bp->common.shmem2_base;
5358 if (CHIP_IS_E2(bp)) {
5359 shmem_base[1] =
5360 SHMEM2_RD(bp, other_shmem_base_addr);
5361 shmem2_base[1] =
5362 SHMEM2_RD(bp, other_shmem2_base_addr);
5363 }
5364 bnx2x_acquire_phy_lock(bp);
5365 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5366 bp->common.chip_id);
5367 bnx2x_release_phy_lock(bp);
5368 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005369 } else
5370 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5371
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005372 return 0;
5373}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005374
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005375static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005376{
5377 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005378 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005379 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005380 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005381
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005382 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005383
5384 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005385
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005386 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005387 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005388
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005389 /* Timers bug workaround: disables the pf_master bit in pglue at
5390 * common phase, we need to enable it here before any dmae access are
5391 * attempted. Therefore we manually added the enable-master to the
5392 * port phase (it also happens in the function phase)
5393 */
5394 if (CHIP_IS_E2(bp))
5395 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5396
Eilon Greensteinca003922009-08-12 22:53:28 -07005397 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5398 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5399 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005400 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005401
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005402 /* QM cid (connection) count */
5403 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005404
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005405#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005406 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005407 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5408 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005409#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005410
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005411 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005412
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005413 if (CHIP_MODE_IS_4_PORT(bp))
5414 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005415
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005416 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5417 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5418 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5419 /* no pause for emulation and FPGA */
5420 low = 0;
5421 high = 513;
5422 } else {
5423 if (IS_MF(bp))
5424 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5425 else if (bp->dev->mtu > 4096) {
5426 if (bp->flags & ONE_PORT_FLAG)
5427 low = 160;
5428 else {
5429 val = bp->dev->mtu;
5430 /* (24*1024 + val*4)/256 */
5431 low = 96 + (val/64) +
5432 ((val % 64) ? 1 : 0);
5433 }
5434 } else
5435 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5436 high = low + 56; /* 14*1024/256 */
5437 }
5438 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5439 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5440 }
5441
5442 if (CHIP_MODE_IS_4_PORT(bp)) {
5443 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5444 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5445 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5446 BRB1_REG_MAC_GUARANTIED_0), 40);
5447 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005448
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005449 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005450
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005451 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005452 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005453 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005454 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005455
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005456 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5457 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5458 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5459 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005460 if (CHIP_MODE_IS_4_PORT(bp))
5461 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005462
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005463 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005464 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005465
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005466 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005467
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005468 if (!CHIP_IS_E2(bp)) {
5469 /* configure PBF to work without PAUSE mtu 9000 */
5470 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005471
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005472 /* update threshold */
5473 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5474 /* update init credit */
5475 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005476
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005477 /* probe changes */
5478 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5479 udelay(50);
5480 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5481 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005482
Michael Chan37b091b2009-10-10 13:46:55 +00005483#ifdef BCM_CNIC
5484 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005485#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005486 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005487 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005488
5489 if (CHIP_IS_E1(bp)) {
5490 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5491 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5492 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005493 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005494
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005495 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5496
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005497 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005498 /* init aeu_mask_attn_func_0/1:
5499 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5500 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5501 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005502 val = IS_MF(bp) ? 0xF7 : 0x7;
5503 /* Enable DCBX attention for all but E1 */
5504 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5505 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005506
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005507 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005508 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005509 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005510 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005511 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005512
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005513 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005514
5515 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5516
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005517 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005518 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005519 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005520 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005521
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005522 if (CHIP_IS_E2(bp)) {
5523 val = 0;
5524 switch (bp->mf_mode) {
5525 case MULTI_FUNCTION_SD:
5526 val = 1;
5527 break;
5528 case MULTI_FUNCTION_SI:
5529 val = 2;
5530 break;
5531 }
5532
5533 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5534 NIG_REG_LLH0_CLS_TYPE), val);
5535 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005536 {
5537 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5538 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5539 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5540 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005541 }
5542
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005543 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005544 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005545 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005546 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005547 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5548 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5549 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005550 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005551 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005552 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005553 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005554
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005555 return 0;
5556}
5557
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005558static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5559{
5560 int reg;
5561
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005562 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005563 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005564 else
5565 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005566
5567 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5568}
5569
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005570static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5571{
5572 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5573}
5574
5575static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5576{
5577 u32 i, base = FUNC_ILT_BASE(func);
5578 for (i = base; i < base + ILT_PER_FUNC; i++)
5579 bnx2x_ilt_wr(bp, i, 0);
5580}
5581
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005582static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005583{
5584 int port = BP_PORT(bp);
5585 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005586 struct bnx2x_ilt *ilt = BP_ILT(bp);
5587 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005588 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005589 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5590 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005591
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005592 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005593
Eilon Greenstein8badd272009-02-12 08:36:15 +00005594 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005595 if (bp->common.int_block == INT_BLOCK_HC) {
5596 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5597 val = REG_RD(bp, addr);
5598 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5599 REG_WR(bp, addr, val);
5600 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005601
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005602 ilt = BP_ILT(bp);
5603 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005604
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005605 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5606 ilt->lines[cdu_ilt_start + i].page =
5607 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5608 ilt->lines[cdu_ilt_start + i].page_mapping =
5609 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5610 /* cdu ilt pages are allocated manually so there's no need to
5611 set the size */
5612 }
5613 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005614
Michael Chan37b091b2009-10-10 13:46:55 +00005615#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005616 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005617
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005618 /* T1 hash bits value determines the T1 number of entries */
5619 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005620#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005621
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005622#ifndef BCM_CNIC
5623 /* set NIC mode */
5624 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5625#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005626
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005627 if (CHIP_IS_E2(bp)) {
5628 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5629
5630 /* Turn on a single ISR mode in IGU if driver is going to use
5631 * INT#x or MSI
5632 */
5633 if (!(bp->flags & USING_MSIX_FLAG))
5634 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5635 /*
5636 * Timers workaround bug: function init part.
5637 * Need to wait 20msec after initializing ILT,
5638 * needed to make sure there are no requests in
5639 * one of the PXP internal queues with "old" ILT addresses
5640 */
5641 msleep(20);
5642 /*
5643 * Master enable - Due to WB DMAE writes performed before this
5644 * register is re-initialized as part of the regular function
5645 * init
5646 */
5647 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5648 /* Enable the function in IGU */
5649 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5650 }
5651
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005652 bp->dmae_ready = 1;
5653
5654 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5655
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005656 if (CHIP_IS_E2(bp))
5657 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5658
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005659 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5660 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5661 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5662 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5663 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5664 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5665 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5666 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5667 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5668
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005669 if (CHIP_IS_E2(bp)) {
5670 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5671 BP_PATH(bp));
5672 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5673 BP_PATH(bp));
5674 }
5675
5676 if (CHIP_MODE_IS_4_PORT(bp))
5677 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5678
5679 if (CHIP_IS_E2(bp))
5680 REG_WR(bp, QM_REG_PF_EN, 1);
5681
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005682 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005683
5684 if (CHIP_MODE_IS_4_PORT(bp))
5685 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5686
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005687 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5688 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5689 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5690 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5691 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5692 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5693 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5694 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5695 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5696 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5697 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005698 if (CHIP_IS_E2(bp))
5699 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5700
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005701 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5702
5703 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5704
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005705 if (CHIP_IS_E2(bp))
5706 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5707
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005708 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005709 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005710 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005711 }
5712
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005713 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5714
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005715 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005716 if (bp->common.int_block == INT_BLOCK_HC) {
5717 if (CHIP_IS_E1H(bp)) {
5718 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5719
5720 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5721 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5722 }
5723 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5724
5725 } else {
5726 int num_segs, sb_idx, prod_offset;
5727
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005728 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5729
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005730 if (CHIP_IS_E2(bp)) {
5731 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5732 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5733 }
5734
5735 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5736
5737 if (CHIP_IS_E2(bp)) {
5738 int dsb_idx = 0;
5739 /**
5740 * Producer memory:
5741 * E2 mode: address 0-135 match to the mapping memory;
5742 * 136 - PF0 default prod; 137 - PF1 default prod;
5743 * 138 - PF2 default prod; 139 - PF3 default prod;
5744 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5745 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5746 * 144-147 reserved.
5747 *
5748 * E1.5 mode - In backward compatible mode;
5749 * for non default SB; each even line in the memory
5750 * holds the U producer and each odd line hold
5751 * the C producer. The first 128 producers are for
5752 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5753 * producers are for the DSB for each PF.
5754 * Each PF has five segments: (the order inside each
5755 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5756 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5757 * 144-147 attn prods;
5758 */
5759 /* non-default-status-blocks */
5760 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5761 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5762 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5763 prod_offset = (bp->igu_base_sb + sb_idx) *
5764 num_segs;
5765
5766 for (i = 0; i < num_segs; i++) {
5767 addr = IGU_REG_PROD_CONS_MEMORY +
5768 (prod_offset + i) * 4;
5769 REG_WR(bp, addr, 0);
5770 }
5771 /* send consumer update with value 0 */
5772 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5773 USTORM_ID, 0, IGU_INT_NOP, 1);
5774 bnx2x_igu_clear_sb(bp,
5775 bp->igu_base_sb + sb_idx);
5776 }
5777
5778 /* default-status-blocks */
5779 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5780 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5781
5782 if (CHIP_MODE_IS_4_PORT(bp))
5783 dsb_idx = BP_FUNC(bp);
5784 else
5785 dsb_idx = BP_E1HVN(bp);
5786
5787 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5788 IGU_BC_BASE_DSB_PROD + dsb_idx :
5789 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5790
5791 for (i = 0; i < (num_segs * E1HVN_MAX);
5792 i += E1HVN_MAX) {
5793 addr = IGU_REG_PROD_CONS_MEMORY +
5794 (prod_offset + i)*4;
5795 REG_WR(bp, addr, 0);
5796 }
5797 /* send consumer update with 0 */
5798 if (CHIP_INT_MODE_IS_BC(bp)) {
5799 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5800 USTORM_ID, 0, IGU_INT_NOP, 1);
5801 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5802 CSTORM_ID, 0, IGU_INT_NOP, 1);
5803 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5804 XSTORM_ID, 0, IGU_INT_NOP, 1);
5805 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5806 TSTORM_ID, 0, IGU_INT_NOP, 1);
5807 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5808 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5809 } else {
5810 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5811 USTORM_ID, 0, IGU_INT_NOP, 1);
5812 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5813 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5814 }
5815 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5816
5817 /* !!! these should become driver const once
5818 rf-tool supports split-68 const */
5819 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5820 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5821 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5822 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5823 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5824 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5825 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005826 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005827
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005828 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005829 REG_WR(bp, 0x2114, 0xffffffff);
5830 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005831
5832 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5833 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5834 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5835 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5836 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5837 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5838
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005839 if (CHIP_IS_E1x(bp)) {
5840 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5841 main_mem_base = HC_REG_MAIN_MEMORY +
5842 BP_PORT(bp) * (main_mem_size * 4);
5843 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5844 main_mem_width = 8;
5845
5846 val = REG_RD(bp, main_mem_prty_clr);
5847 if (val)
5848 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5849 "block during "
5850 "function init (0x%x)!\n", val);
5851
5852 /* Clear "false" parity errors in MSI-X table */
5853 for (i = main_mem_base;
5854 i < main_mem_base + main_mem_size * 4;
5855 i += main_mem_width) {
5856 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5857 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5858 i, main_mem_width / 4);
5859 }
5860 /* Clear HC parity attention */
5861 REG_RD(bp, main_mem_prty_clr);
5862 }
5863
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005864 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005865
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005866 return 0;
5867}
5868
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005869int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005870{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005871 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005872
5873 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005874 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005875
5876 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005877 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005878
5879 switch (load_code) {
5880 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005881 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005882 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005883 if (rc)
5884 goto init_hw_err;
5885 /* no break */
5886
5887 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005888 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005889 if (rc)
5890 goto init_hw_err;
5891 /* no break */
5892
5893 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005894 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005895 if (rc)
5896 goto init_hw_err;
5897 break;
5898
5899 default:
5900 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5901 break;
5902 }
5903
5904 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005905 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005906
5907 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005908 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005909 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005910 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5911 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005912
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005913init_hw_err:
5914 bnx2x_gunzip_end(bp);
5915
5916 return rc;
5917}
5918
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005919void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005921 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005922
5923 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005924 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005925 /* end of fastpath */
5926
5927 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005928 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005929
5930 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005931 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005932
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005933 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5934 bp->context.size);
5935
5936 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5937
5938 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005939
Michael Chan37b091b2009-10-10 13:46:55 +00005940#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005941 if (CHIP_IS_E2(bp))
5942 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5943 sizeof(struct host_hc_status_block_e2));
5944 else
5945 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5946 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005947
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005948 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005949#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005950
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005951 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005952
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005953 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5954 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5955
Tom Herbertab532cf2011-02-16 10:27:02 +00005956 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005957}
5958
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005959
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005960int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005961{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005962 if (bnx2x_gunzip_init(bp))
5963 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005964
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005965#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005966 if (CHIP_IS_E2(bp))
5967 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5968 sizeof(struct host_hc_status_block_e2));
5969 else
5970 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5971 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005972
5973 /* allocate searcher T2 table */
5974 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5975#endif
5976
5977
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005979 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980
5981 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5982 sizeof(struct bnx2x_slowpath));
5983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005984 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005985
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005986 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5987 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005989 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005990
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005991 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5992 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005993
5994 /* Slow path ring */
5995 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5996
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005997 /* EQ */
5998 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5999 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00006000
6001 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
6002 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006003
6004 /* fastpath */
6005 /* need to be done at the end, since it's self adjusting to amount
6006 * of memory available for RSS queues
6007 */
6008 if (bnx2x_alloc_fp_mem(bp))
6009 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006010 return 0;
6011
6012alloc_mem_err:
6013 bnx2x_free_mem(bp);
6014 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006015}
6016
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006017/*
6018 * Init service functions
6019 */
stephen hemminger8d962862010-10-21 07:50:56 +00006020static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6021 int *state_p, int flags);
6022
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006023int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006024{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006025 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006026
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006027 /* Wait for completion */
6028 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6029 WAIT_RAMROD_COMMON);
6030}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006031
stephen hemminger8d962862010-10-21 07:50:56 +00006032static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006033{
6034 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006035
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006036 /* Wait for completion */
6037 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6038 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006039}
6040
Michael Chane665bfd2009-10-10 13:46:54 +00006041/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006042 * 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 +00006043 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006044 * @bp: driver handle
6045 * @set: set or clear an entry (1 or 0)
6046 * @mac: pointer to a buffer containing a MAC
6047 * @cl_bit_vec: bit vector of clients to register a MAC for
6048 * @cam_offset: offset in a CAM to use
6049 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006050 */
Joe Perches215faf92010-12-21 02:16:10 -08006051static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006052 u32 cl_bit_vec, u8 cam_offset,
6053 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006054{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006055 struct mac_configuration_cmd *config =
6056 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6057 int ramrod_flags = WAIT_RAMROD_COMMON;
6058
6059 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006060
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006061 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006062 config->hdr.offset = cam_offset;
6063 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006064 /* Mark the single MAC configuration ramrod as opposed to a
6065 * UC/MC list configuration).
6066 */
6067 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006068
6069 /* primary MAC */
6070 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006071 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006072 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006073 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006074 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006075 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006076 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006077 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006078 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006079 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006080 if (set)
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_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006084 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006085 SET_FLAG(config->config_table[0].flags,
6086 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6087 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006088
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006089 if (is_bcast)
6090 SET_FLAG(config->config_table[0].flags,
6091 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6092
6093 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006094 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006095 config->config_table[0].msb_mac_addr,
6096 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006097 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006098
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006099 mb();
6100
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006101 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006102 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006103 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6104
6105 /* Wait for a completion */
6106 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006107}
6108
stephen hemminger8d962862010-10-21 07:50:56 +00006109static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6110 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006111{
6112 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006113 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006114 u8 poll = flags & WAIT_RAMROD_POLL;
6115 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006116
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006117 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6118 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006119
6120 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006121 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006122 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006123 if (common)
6124 bnx2x_eq_int(bp);
6125 else {
6126 bnx2x_rx_int(bp->fp, 10);
6127 /* if index is different from 0
6128 * the reply for some commands will
6129 * be on the non default queue
6130 */
6131 if (idx)
6132 bnx2x_rx_int(&bp->fp[idx], 10);
6133 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006134 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006135
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006136 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006137 if (*state_p == state) {
6138#ifdef BNX2X_STOP_ON_ERROR
6139 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6140#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006141 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006142 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006143
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006144 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006145
6146 if (bp->panic)
6147 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006148 }
6149
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006150 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006151 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6152 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006153#ifdef BNX2X_STOP_ON_ERROR
6154 bnx2x_panic();
6155#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006156
Eliezer Tamir49d66772008-02-28 11:53:13 -08006157 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006158}
6159
stephen hemminger8d962862010-10-21 07:50:56 +00006160static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006161{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006162 if (CHIP_IS_E1H(bp))
6163 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6164 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006165 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006166 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006167 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006168}
6169
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006170/**
6171 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6172 * relevant. In addition, current implementation is tuned for a
6173 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006174 */
6175enum {
6176 LLH_CAM_ISCSI_ETH_LINE = 0,
6177 LLH_CAM_ETH_LINE,
6178 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6179};
6180
6181static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6182 int set,
6183 unsigned char *dev_addr,
6184 int index)
6185{
6186 u32 wb_data[2];
6187 u32 mem_offset, ena_offset, mem_index;
6188 /**
6189 * indexes mapping:
6190 * 0..7 - goes to MEM
6191 * 8..15 - goes to MEM2
6192 */
6193
6194 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6195 return;
6196
6197 /* calculate memory start offset according to the mapping
6198 * and index in the memory */
6199 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6200 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6201 NIG_REG_LLH0_FUNC_MEM;
6202 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6203 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6204 mem_index = index;
6205 } else {
6206 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6207 NIG_REG_P0_LLH_FUNC_MEM2;
6208 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6209 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6210 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6211 }
6212
6213 if (set) {
6214 /* LLH_FUNC_MEM is a u64 WB register */
6215 mem_offset += 8*mem_index;
6216
6217 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6218 (dev_addr[4] << 8) | dev_addr[5]);
6219 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6220
6221 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6222 }
6223
6224 /* enable/disable the entry */
6225 REG_WR(bp, ena_offset + 4*mem_index, set);
6226
6227}
6228
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006229void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006230{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006231 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6232 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6233
6234 /* networking MAC */
6235 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6236 (1 << bp->fp->cl_id), cam_offset , 0);
6237
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006238 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6239
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006240 if (CHIP_IS_E1(bp)) {
6241 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006242 static const u8 bcast[ETH_ALEN] = {
6243 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6244 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006245 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6246 }
6247}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006248
6249static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6250{
6251 return CHIP_REV_IS_SLOW(bp) ?
6252 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6253 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6254}
6255
6256/* set mc list, do not wait as wait implies sleep and
6257 * set_rx_mode can be invoked from non-sleepable context.
6258 *
6259 * Instead we use the same ramrod data buffer each time we need
6260 * to configure a list of addresses, and use the fact that the
6261 * list of MACs is changed in an incremental way and that the
6262 * function is called under the netif_addr_lock. A temporary
6263 * inconsistent CAM configuration (possible in case of a very fast
6264 * sequence of add/del/add on the host side) will shortly be
6265 * restored by the handler of the last ramrod.
6266 */
6267static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006268{
6269 int i = 0, old;
6270 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006271 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006272 struct netdev_hw_addr *ha;
6273 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6274 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6275
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006276 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6277 return -EINVAL;
6278
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006279 netdev_for_each_mc_addr(ha, dev) {
6280 /* copy mac */
6281 config_cmd->config_table[i].msb_mac_addr =
6282 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6283 config_cmd->config_table[i].middle_mac_addr =
6284 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6285 config_cmd->config_table[i].lsb_mac_addr =
6286 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6287
6288 config_cmd->config_table[i].vlan_id = 0;
6289 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6290 config_cmd->config_table[i].clients_bit_vector =
6291 cpu_to_le32(1 << BP_L_ID(bp));
6292
6293 SET_FLAG(config_cmd->config_table[i].flags,
6294 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6295 T_ETH_MAC_COMMAND_SET);
6296
6297 DP(NETIF_MSG_IFUP,
6298 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6299 config_cmd->config_table[i].msb_mac_addr,
6300 config_cmd->config_table[i].middle_mac_addr,
6301 config_cmd->config_table[i].lsb_mac_addr);
6302 i++;
6303 }
6304 old = config_cmd->hdr.length;
6305 if (old > i) {
6306 for (; i < old; i++) {
6307 if (CAM_IS_INVALID(config_cmd->
6308 config_table[i])) {
6309 /* already invalidated */
6310 break;
6311 }
6312 /* invalidate */
6313 SET_FLAG(config_cmd->config_table[i].flags,
6314 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6315 T_ETH_MAC_COMMAND_INVALIDATE);
6316 }
6317 }
6318
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006319 wmb();
6320
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006321 config_cmd->hdr.length = i;
6322 config_cmd->hdr.offset = offset;
6323 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006324 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6325 * synchronization.
6326 */
6327 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006328
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006329 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006330
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006331 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006332 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6333}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006334
6335void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006336{
6337 int i;
6338 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6339 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6340 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006341 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006342
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006343 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006344 SET_FLAG(config_cmd->config_table[i].flags,
6345 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6346 T_ETH_MAC_COMMAND_INVALIDATE);
6347
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006348 wmb();
6349
6350 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6351 config_cmd->hdr.offset = offset;
6352 config_cmd->hdr.client_id = 0xff;
6353 /* We'll wait for a completion this time... */
6354 config_cmd->hdr.echo = 1;
6355
6356 bp->set_mac_pending = 1;
6357
6358 mb();
6359
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006360 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6361 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006362
6363 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006364 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6365 ramrod_flags);
6366
Michael Chane665bfd2009-10-10 13:46:54 +00006367}
6368
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006369/* Accept one or more multicasts */
6370static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6371{
6372 struct net_device *dev = bp->dev;
6373 struct netdev_hw_addr *ha;
6374 u32 mc_filter[MC_HASH_SIZE];
6375 u32 crc, bit, regidx;
6376 int i;
6377
6378 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6379
6380 netdev_for_each_mc_addr(ha, dev) {
6381 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6382 bnx2x_mc_addr(ha));
6383
6384 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6385 ETH_ALEN);
6386 bit = (crc >> 24) & 0xff;
6387 regidx = bit >> 5;
6388 bit &= 0x1f;
6389 mc_filter[regidx] |= (1 << bit);
6390 }
6391
6392 for (i = 0; i < MC_HASH_SIZE; i++)
6393 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6394 mc_filter[i]);
6395
6396 return 0;
6397}
6398
6399void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6400{
6401 int i;
6402
6403 for (i = 0; i < MC_HASH_SIZE; i++)
6404 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6405}
6406
Michael Chan993ac7b2009-10-10 13:46:56 +00006407#ifdef BCM_CNIC
6408/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006409 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006410 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006411 * @bp: driver handle
6412 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006413 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006414 * This function will wait until the ramdord completion returns.
6415 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006416 */
stephen hemminger8d962862010-10-21 07:50:56 +00006417static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006418{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006419 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6420 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006421 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6422 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006423 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006424 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006425
6426 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006427 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006428 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006429
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006430 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006431
6432 return 0;
6433}
6434
6435/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006436 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006437 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006438 * @bp: driver handle
6439 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006440 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006441 * This function will wait until the ramrod completion returns.
6442 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006443 */
6444int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6445{
6446 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6447 /**
6448 * CAM allocation for E1H
6449 * eth unicasts: by func number
6450 * iscsi: by func number
6451 * fip unicast: by func number
6452 * fip multicast: by func number
6453 */
6454 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6455 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6456
6457 return 0;
6458}
6459
6460int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6461{
6462 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6463
6464 /**
6465 * CAM allocation for E1H
6466 * eth unicasts: by func number
6467 * iscsi: by func number
6468 * fip unicast: by func number
6469 * fip multicast: by func number
6470 */
6471 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6472 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6473
Michael Chan993ac7b2009-10-10 13:46:56 +00006474 return 0;
6475}
6476#endif
6477
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006478static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6479 struct bnx2x_client_init_params *params,
6480 u8 activate,
6481 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006482{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006483 /* Clear the buffer */
6484 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006485
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006486 /* general */
6487 data->general.client_id = params->rxq_params.cl_id;
6488 data->general.statistics_counter_id = params->rxq_params.stat_id;
6489 data->general.statistics_en_flg =
6490 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006491 data->general.is_fcoe_flg =
6492 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006493 data->general.activate_flg = activate;
6494 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006495
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006496 /* Rx data */
6497 data->rx.tpa_en_flg =
6498 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6499 data->rx.vmqueue_mode_en_flg = 0;
6500 data->rx.cache_line_alignment_log_size =
6501 params->rxq_params.cache_line_log;
6502 data->rx.enable_dynamic_hc =
6503 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6504 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6505 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6506 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6507
6508 /* We don't set drop flags */
6509 data->rx.drop_ip_cs_err_flg = 0;
6510 data->rx.drop_tcp_cs_err_flg = 0;
6511 data->rx.drop_ttl0_flg = 0;
6512 data->rx.drop_udp_cs_err_flg = 0;
6513
6514 data->rx.inner_vlan_removal_enable_flg =
6515 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6516 data->rx.outer_vlan_removal_enable_flg =
6517 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6518 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6519 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6520 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6521 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6522 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6523 data->rx.bd_page_base.lo =
6524 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6525 data->rx.bd_page_base.hi =
6526 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6527 data->rx.sge_page_base.lo =
6528 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6529 data->rx.sge_page_base.hi =
6530 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6531 data->rx.cqe_page_base.lo =
6532 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6533 data->rx.cqe_page_base.hi =
6534 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6535 data->rx.is_leading_rss =
6536 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6537 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6538
6539 /* Tx data */
6540 data->tx.enforce_security_flg = 0; /* VF specific */
6541 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6542 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6543 data->tx.mtu = 0; /* VF specific */
6544 data->tx.tx_bd_page_base.lo =
6545 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6546 data->tx.tx_bd_page_base.hi =
6547 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6548
6549 /* flow control data */
6550 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6551 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6552 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6553 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6554 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6555 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6556 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6557
6558 data->fc.safc_group_num = params->txq_params.cos;
6559 data->fc.safc_group_en_flg =
6560 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006561 data->fc.traffic_type =
6562 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6563 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006564}
6565
6566static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6567{
6568 /* ustorm cxt validation */
6569 cxt->ustorm_ag_context.cdu_usage =
6570 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6571 ETH_CONNECTION_TYPE);
6572 /* xcontext validation */
6573 cxt->xstorm_ag_context.cdu_reserved =
6574 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6575 ETH_CONNECTION_TYPE);
6576}
6577
stephen hemminger8d962862010-10-21 07:50:56 +00006578static int bnx2x_setup_fw_client(struct bnx2x *bp,
6579 struct bnx2x_client_init_params *params,
6580 u8 activate,
6581 struct client_init_ramrod_data *data,
6582 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006583{
6584 u16 hc_usec;
6585 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6586 int ramrod_flags = 0, rc;
6587
6588 /* HC and context validation values */
6589 hc_usec = params->txq_params.hc_rate ?
6590 1000000 / params->txq_params.hc_rate : 0;
6591 bnx2x_update_coalesce_sb_index(bp,
6592 params->txq_params.fw_sb_id,
6593 params->txq_params.sb_cq_index,
6594 !(params->txq_params.flags & QUEUE_FLG_HC),
6595 hc_usec);
6596
6597 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6598
6599 hc_usec = params->rxq_params.hc_rate ?
6600 1000000 / params->rxq_params.hc_rate : 0;
6601 bnx2x_update_coalesce_sb_index(bp,
6602 params->rxq_params.fw_sb_id,
6603 params->rxq_params.sb_cq_index,
6604 !(params->rxq_params.flags & QUEUE_FLG_HC),
6605 hc_usec);
6606
6607 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6608 params->rxq_params.cid);
6609
6610 /* zero stats */
6611 if (params->txq_params.flags & QUEUE_FLG_STATS)
6612 storm_memset_xstats_zero(bp, BP_PORT(bp),
6613 params->txq_params.stat_id);
6614
6615 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6616 storm_memset_ustats_zero(bp, BP_PORT(bp),
6617 params->rxq_params.stat_id);
6618 storm_memset_tstats_zero(bp, BP_PORT(bp),
6619 params->rxq_params.stat_id);
6620 }
6621
6622 /* Fill the ramrod data */
6623 bnx2x_fill_cl_init_data(bp, params, activate, data);
6624
6625 /* SETUP ramrod.
6626 *
6627 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6628 * barrier except from mmiowb() is needed to impose a
6629 * proper ordering of memory operations.
6630 */
6631 mmiowb();
6632
6633
6634 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6635 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006636
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006637 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006638 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6639 params->ramrod_params.index,
6640 params->ramrod_params.pstate,
6641 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006642 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006643}
6644
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006645/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006646 * bnx2x_set_int_mode - configure interrupt mode
6647 *
6648 * @bp: driver handle
6649 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006650 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006651 */
6652static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006653{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006654 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006655
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006656 switch (bp->int_mode) {
6657 case INT_MODE_MSI:
6658 bnx2x_enable_msi(bp);
6659 /* falling through... */
6660 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006661 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006662 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006663 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006664 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006665 /* Set number of queues according to bp->multi_mode value */
6666 bnx2x_set_num_queues(bp);
6667
6668 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6669 bp->num_queues);
6670
6671 /* if we can't use MSI-X we only need one fp,
6672 * so try to enable MSI-X with the requested number of fp's
6673 * and fallback to MSI or legacy INTx with one fp
6674 */
6675 rc = bnx2x_enable_msix(bp);
6676 if (rc) {
6677 /* failed to enable MSI-X */
6678 if (bp->multi_mode)
6679 DP(NETIF_MSG_IFUP,
6680 "Multi requested but failed to "
6681 "enable MSI-X (%d), "
6682 "set number of queues to %d\n",
6683 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006684 1 + NONE_ETH_CONTEXT_USE);
6685 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006686
6687 if (!(bp->flags & DISABLE_MSI_FLAG))
6688 bnx2x_enable_msi(bp);
6689 }
6690
Eilon Greensteinca003922009-08-12 22:53:28 -07006691 break;
6692 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006693
6694 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006695}
6696
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006697/* must be called prioir to any HW initializations */
6698static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6699{
6700 return L2_ILT_LINES(bp);
6701}
6702
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006703void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006704{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006705 struct ilt_client_info *ilt_client;
6706 struct bnx2x_ilt *ilt = BP_ILT(bp);
6707 u16 line = 0;
6708
6709 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6710 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6711
6712 /* CDU */
6713 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6714 ilt_client->client_num = ILT_CLIENT_CDU;
6715 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6716 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6717 ilt_client->start = line;
6718 line += L2_ILT_LINES(bp);
6719#ifdef BCM_CNIC
6720 line += CNIC_ILT_LINES;
6721#endif
6722 ilt_client->end = line - 1;
6723
6724 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6725 "flags 0x%x, hw psz %d\n",
6726 ilt_client->start,
6727 ilt_client->end,
6728 ilt_client->page_size,
6729 ilt_client->flags,
6730 ilog2(ilt_client->page_size >> 12));
6731
6732 /* QM */
6733 if (QM_INIT(bp->qm_cid_count)) {
6734 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6735 ilt_client->client_num = ILT_CLIENT_QM;
6736 ilt_client->page_size = QM_ILT_PAGE_SZ;
6737 ilt_client->flags = 0;
6738 ilt_client->start = line;
6739
6740 /* 4 bytes for each cid */
6741 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6742 QM_ILT_PAGE_SZ);
6743
6744 ilt_client->end = line - 1;
6745
6746 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6747 "flags 0x%x, hw psz %d\n",
6748 ilt_client->start,
6749 ilt_client->end,
6750 ilt_client->page_size,
6751 ilt_client->flags,
6752 ilog2(ilt_client->page_size >> 12));
6753
6754 }
6755 /* SRC */
6756 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6757#ifdef BCM_CNIC
6758 ilt_client->client_num = ILT_CLIENT_SRC;
6759 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6760 ilt_client->flags = 0;
6761 ilt_client->start = line;
6762 line += SRC_ILT_LINES;
6763 ilt_client->end = line - 1;
6764
6765 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6766 "flags 0x%x, hw psz %d\n",
6767 ilt_client->start,
6768 ilt_client->end,
6769 ilt_client->page_size,
6770 ilt_client->flags,
6771 ilog2(ilt_client->page_size >> 12));
6772
6773#else
6774 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6775#endif
6776
6777 /* TM */
6778 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6779#ifdef BCM_CNIC
6780 ilt_client->client_num = ILT_CLIENT_TM;
6781 ilt_client->page_size = TM_ILT_PAGE_SZ;
6782 ilt_client->flags = 0;
6783 ilt_client->start = line;
6784 line += TM_ILT_LINES;
6785 ilt_client->end = line - 1;
6786
6787 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6788 "flags 0x%x, hw psz %d\n",
6789 ilt_client->start,
6790 ilt_client->end,
6791 ilt_client->page_size,
6792 ilt_client->flags,
6793 ilog2(ilt_client->page_size >> 12));
6794
6795#else
6796 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6797#endif
6798}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006799
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006800int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6801 int is_leading)
6802{
6803 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006804 int rc;
6805
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006806 /* reset IGU state skip FCoE L2 queue */
6807 if (!IS_FCOE_FP(fp))
6808 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006809 IGU_INT_ENABLE, 0);
6810
6811 params.ramrod_params.pstate = &fp->state;
6812 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6813 params.ramrod_params.index = fp->index;
6814 params.ramrod_params.cid = fp->cid;
6815
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006816#ifdef BCM_CNIC
6817 if (IS_FCOE_FP(fp))
6818 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6819
6820#endif
6821
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006822 if (is_leading)
6823 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6824
6825 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6826
6827 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6828
6829 rc = bnx2x_setup_fw_client(bp, &params, 1,
6830 bnx2x_sp(bp, client_init_data),
6831 bnx2x_sp_mapping(bp, client_init_data));
6832 return rc;
6833}
6834
stephen hemminger8d962862010-10-21 07:50:56 +00006835static int bnx2x_stop_fw_client(struct bnx2x *bp,
6836 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006837{
6838 int rc;
6839
6840 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6841
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006842 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006843 *p->pstate = BNX2X_FP_STATE_HALTING;
6844 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6845 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006846
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006847 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006848 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6849 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006850 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006851 return rc;
6852
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006853 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6854 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6855 p->cl_id, 0);
6856 /* Wait for completion */
6857 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6858 p->pstate, poll_flag);
6859 if (rc) /* timeout */
6860 return rc;
6861
6862
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006863 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006864 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006865
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006866 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006867 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6868 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006869 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006870}
6871
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006872static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006873{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006874 struct bnx2x_client_ramrod_params client_stop = {0};
6875 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006876
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006877 client_stop.index = index;
6878 client_stop.cid = fp->cid;
6879 client_stop.cl_id = fp->cl_id;
6880 client_stop.pstate = &(fp->state);
6881 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006882
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006883 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006884}
6885
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006886
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006887static void bnx2x_reset_func(struct bnx2x *bp)
6888{
6889 int port = BP_PORT(bp);
6890 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006891 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006892 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006893 (CHIP_IS_E2(bp) ?
6894 offsetof(struct hc_status_block_data_e2, common) :
6895 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006896 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6897 int pfid_offset = offsetof(struct pci_entity, pf_id);
6898
6899 /* Disable the function in the FW */
6900 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6901 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6902 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6903 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6904
6905 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006906 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006907 struct bnx2x_fastpath *fp = &bp->fp[i];
6908 REG_WR8(bp,
6909 BAR_CSTRORM_INTMEM +
6910 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6911 + pfunc_offset_fp + pfid_offset,
6912 HC_FUNCTION_DISABLED);
6913 }
6914
6915 /* SP SB */
6916 REG_WR8(bp,
6917 BAR_CSTRORM_INTMEM +
6918 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6919 pfunc_offset_sp + pfid_offset,
6920 HC_FUNCTION_DISABLED);
6921
6922
6923 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6924 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6925 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006926
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006927 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006928 if (bp->common.int_block == INT_BLOCK_HC) {
6929 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6930 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6931 } else {
6932 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6933 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6934 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006935
Michael Chan37b091b2009-10-10 13:46:55 +00006936#ifdef BCM_CNIC
6937 /* Disable Timer scan */
6938 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6939 /*
6940 * Wait for at least 10ms and up to 2 second for the timers scan to
6941 * complete
6942 */
6943 for (i = 0; i < 200; i++) {
6944 msleep(10);
6945 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6946 break;
6947 }
6948#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006949 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006950 bnx2x_clear_func_ilt(bp, func);
6951
6952 /* Timers workaround bug for E2: if this is vnic-3,
6953 * we need to set the entire ilt range for this timers.
6954 */
6955 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6956 struct ilt_client_info ilt_cli;
6957 /* use dummy TM client */
6958 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6959 ilt_cli.start = 0;
6960 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6961 ilt_cli.client_num = ILT_CLIENT_TM;
6962
6963 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6964 }
6965
6966 /* this assumes that reset_port() called before reset_func()*/
6967 if (CHIP_IS_E2(bp))
6968 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006969
6970 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006971}
6972
6973static void bnx2x_reset_port(struct bnx2x *bp)
6974{
6975 int port = BP_PORT(bp);
6976 u32 val;
6977
6978 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6979
6980 /* Do not rcv packets to BRB */
6981 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6982 /* Do not direct rcv packets that are not for MCP to the BRB */
6983 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6984 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6985
6986 /* Configure AEU */
6987 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6988
6989 msleep(100);
6990 /* Check for BRB port occupancy */
6991 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6992 if (val)
6993 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006994 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006995
6996 /* TODO: Close Doorbell port? */
6997}
6998
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006999static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7000{
7001 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007002 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007003
7004 switch (reset_code) {
7005 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7006 bnx2x_reset_port(bp);
7007 bnx2x_reset_func(bp);
7008 bnx2x_reset_common(bp);
7009 break;
7010
7011 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7012 bnx2x_reset_port(bp);
7013 bnx2x_reset_func(bp);
7014 break;
7015
7016 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7017 bnx2x_reset_func(bp);
7018 break;
7019
7020 default:
7021 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7022 break;
7023 }
7024}
7025
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007026#ifdef BCM_CNIC
7027static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7028{
7029 if (bp->flags & FCOE_MACS_SET) {
7030 if (!IS_MF_SD(bp))
7031 bnx2x_set_fip_eth_mac_addr(bp, 0);
7032
7033 bnx2x_set_all_enode_macs(bp, 0);
7034
7035 bp->flags &= ~FCOE_MACS_SET;
7036 }
7037}
7038#endif
7039
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007040void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007041{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007042 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007043 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007044 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007045
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007046 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007047 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007048 struct bnx2x_fastpath *fp = &bp->fp[i];
7049
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007050 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007051 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007053 if (!cnt) {
7054 BNX2X_ERR("timeout waiting for queue[%d]\n",
7055 i);
7056#ifdef BNX2X_STOP_ON_ERROR
7057 bnx2x_panic();
7058 return -EBUSY;
7059#else
7060 break;
7061#endif
7062 }
7063 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007064 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007065 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007066 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007067 /* Give HW time to discard old tx messages */
7068 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007069
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007070 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007071
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007072 bnx2x_invalidate_uc_list(bp);
7073
7074 if (CHIP_IS_E1(bp))
7075 bnx2x_invalidate_e1_mc_list(bp);
7076 else {
7077 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007078 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007079 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007080
Michael Chan993ac7b2009-10-10 13:46:56 +00007081#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007082 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007083#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007084
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007085 if (unload_mode == UNLOAD_NORMAL)
7086 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007087
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007088 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007089 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007090
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007091 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007092 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007093 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007094 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007095 /* The mac address is written to entries 1-4 to
7096 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007097 u8 entry = (BP_E1HVN(bp) + 1)*8;
7098
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007099 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007100 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007101
7102 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7103 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007104 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007105
7106 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007107
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007108 } else
7109 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7110
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007111 /* Close multi and leading connections
7112 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007113 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007114
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007115 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007116#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007117 return;
7118#else
7119 goto unload_error;
7120#endif
7121
7122 rc = bnx2x_func_stop(bp);
7123 if (rc) {
7124 BNX2X_ERR("Function stop failed!\n");
7125#ifdef BNX2X_STOP_ON_ERROR
7126 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007127#else
7128 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007129#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007130 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007131#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007132unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007133#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007134 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007135 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007136 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007137 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7138 "%d, %d, %d\n", BP_PATH(bp),
7139 load_count[BP_PATH(bp)][0],
7140 load_count[BP_PATH(bp)][1],
7141 load_count[BP_PATH(bp)][2]);
7142 load_count[BP_PATH(bp)][0]--;
7143 load_count[BP_PATH(bp)][1 + port]--;
7144 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7145 "%d, %d, %d\n", BP_PATH(bp),
7146 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7147 load_count[BP_PATH(bp)][2]);
7148 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007149 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007150 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007151 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7152 else
7153 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7154 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007156 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7157 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7158 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007159
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007160 /* Disable HW interrupts, NAPI */
7161 bnx2x_netif_stop(bp, 1);
7162
7163 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007164 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007165
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007166 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007167 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007168
7169 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007170 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007171 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007172
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007173}
7174
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007175void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007176{
7177 u32 val;
7178
7179 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7180
7181 if (CHIP_IS_E1(bp)) {
7182 int port = BP_PORT(bp);
7183 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7184 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7185
7186 val = REG_RD(bp, addr);
7187 val &= ~(0x300);
7188 REG_WR(bp, addr, val);
7189 } else if (CHIP_IS_E1H(bp)) {
7190 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7191 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7192 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7193 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7194 }
7195}
7196
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007197/* Close gates #2, #3 and #4: */
7198static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7199{
7200 u32 val, addr;
7201
7202 /* Gates #2 and #4a are closed/opened for "not E1" only */
7203 if (!CHIP_IS_E1(bp)) {
7204 /* #4 */
7205 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7206 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7207 close ? (val | 0x1) : (val & (~(u32)1)));
7208 /* #2 */
7209 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7210 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7211 close ? (val | 0x1) : (val & (~(u32)1)));
7212 }
7213
7214 /* #3 */
7215 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7216 val = REG_RD(bp, addr);
7217 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7218
7219 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7220 close ? "closing" : "opening");
7221 mmiowb();
7222}
7223
7224#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7225
7226static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7227{
7228 /* Do some magic... */
7229 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7230 *magic_val = val & SHARED_MF_CLP_MAGIC;
7231 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7232}
7233
Dmitry Kravkove8920672011-05-04 23:52:40 +00007234/**
7235 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007236 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007237 * @bp: driver handle
7238 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007239 */
7240static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7241{
7242 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007243 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7244 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7245 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7246}
7247
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007248/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007249 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007250 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007251 * @bp: driver handle
7252 * @magic_val: old value of 'magic' bit.
7253 *
7254 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007255 */
7256static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7257{
7258 u32 shmem;
7259 u32 validity_offset;
7260
7261 DP(NETIF_MSG_HW, "Starting\n");
7262
7263 /* Set `magic' bit in order to save MF config */
7264 if (!CHIP_IS_E1(bp))
7265 bnx2x_clp_reset_prep(bp, magic_val);
7266
7267 /* Get shmem offset */
7268 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7269 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7270
7271 /* Clear validity map flags */
7272 if (shmem > 0)
7273 REG_WR(bp, shmem + validity_offset, 0);
7274}
7275
7276#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7277#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7278
Dmitry Kravkove8920672011-05-04 23:52:40 +00007279/**
7280 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007281 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007282 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007283 */
7284static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7285{
7286 /* special handling for emulation and FPGA,
7287 wait 10 times longer */
7288 if (CHIP_REV_IS_SLOW(bp))
7289 msleep(MCP_ONE_TIMEOUT*10);
7290 else
7291 msleep(MCP_ONE_TIMEOUT);
7292}
7293
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007294/*
7295 * initializes bp->common.shmem_base and waits for validity signature to appear
7296 */
7297static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007298{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007299 int cnt = 0;
7300 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007301
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007302 do {
7303 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7304 if (bp->common.shmem_base) {
7305 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7306 if (val & SHR_MEM_VALIDITY_MB)
7307 return 0;
7308 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007309
7310 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007311
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007312 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007313
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007314 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007315
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007316 return -ENODEV;
7317}
7318
7319static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7320{
7321 int rc = bnx2x_init_shmem(bp);
7322
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007323 /* Restore the `magic' bit value */
7324 if (!CHIP_IS_E1(bp))
7325 bnx2x_clp_reset_done(bp, magic_val);
7326
7327 return rc;
7328}
7329
7330static void bnx2x_pxp_prep(struct bnx2x *bp)
7331{
7332 if (!CHIP_IS_E1(bp)) {
7333 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7334 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7335 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7336 mmiowb();
7337 }
7338}
7339
7340/*
7341 * Reset the whole chip except for:
7342 * - PCIE core
7343 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7344 * one reset bit)
7345 * - IGU
7346 * - MISC (including AEU)
7347 * - GRC
7348 * - RBCN, RBCP
7349 */
7350static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7351{
7352 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7353
7354 not_reset_mask1 =
7355 MISC_REGISTERS_RESET_REG_1_RST_HC |
7356 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7357 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7358
7359 not_reset_mask2 =
7360 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7361 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7362 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7363 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7364 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7365 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7366 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7367 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7368
7369 reset_mask1 = 0xffffffff;
7370
7371 if (CHIP_IS_E1(bp))
7372 reset_mask2 = 0xffff;
7373 else
7374 reset_mask2 = 0x1ffff;
7375
7376 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7377 reset_mask1 & (~not_reset_mask1));
7378 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7379 reset_mask2 & (~not_reset_mask2));
7380
7381 barrier();
7382 mmiowb();
7383
7384 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7385 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7386 mmiowb();
7387}
7388
7389static int bnx2x_process_kill(struct bnx2x *bp)
7390{
7391 int cnt = 1000;
7392 u32 val = 0;
7393 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7394
7395
7396 /* Empty the Tetris buffer, wait for 1s */
7397 do {
7398 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7399 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7400 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7401 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7402 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7403 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7404 ((port_is_idle_0 & 0x1) == 0x1) &&
7405 ((port_is_idle_1 & 0x1) == 0x1) &&
7406 (pgl_exp_rom2 == 0xffffffff))
7407 break;
7408 msleep(1);
7409 } while (cnt-- > 0);
7410
7411 if (cnt <= 0) {
7412 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7413 " are still"
7414 " outstanding read requests after 1s!\n");
7415 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7416 " port_is_idle_0=0x%08x,"
7417 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7418 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7419 pgl_exp_rom2);
7420 return -EAGAIN;
7421 }
7422
7423 barrier();
7424
7425 /* Close gates #2, #3 and #4 */
7426 bnx2x_set_234_gates(bp, true);
7427
7428 /* TBD: Indicate that "process kill" is in progress to MCP */
7429
7430 /* Clear "unprepared" bit */
7431 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7432 barrier();
7433
7434 /* Make sure all is written to the chip before the reset */
7435 mmiowb();
7436
7437 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7438 * PSWHST, GRC and PSWRD Tetris buffer.
7439 */
7440 msleep(1);
7441
7442 /* Prepare to chip reset: */
7443 /* MCP */
7444 bnx2x_reset_mcp_prep(bp, &val);
7445
7446 /* PXP */
7447 bnx2x_pxp_prep(bp);
7448 barrier();
7449
7450 /* reset the chip */
7451 bnx2x_process_kill_chip_reset(bp);
7452 barrier();
7453
7454 /* Recover after reset: */
7455 /* MCP */
7456 if (bnx2x_reset_mcp_comp(bp, val))
7457 return -EAGAIN;
7458
7459 /* PXP */
7460 bnx2x_pxp_prep(bp);
7461
7462 /* Open the gates #2, #3 and #4 */
7463 bnx2x_set_234_gates(bp, false);
7464
7465 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7466 * reset state, re-enable attentions. */
7467
7468 return 0;
7469}
7470
7471static int bnx2x_leader_reset(struct bnx2x *bp)
7472{
7473 int rc = 0;
7474 /* Try to recover after the failure */
7475 if (bnx2x_process_kill(bp)) {
7476 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7477 bp->dev->name);
7478 rc = -EAGAIN;
7479 goto exit_leader_reset;
7480 }
7481
7482 /* Clear "reset is in progress" bit and update the driver state */
7483 bnx2x_set_reset_done(bp);
7484 bp->recovery_state = BNX2X_RECOVERY_DONE;
7485
7486exit_leader_reset:
7487 bp->is_leader = 0;
7488 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7489 smp_wmb();
7490 return rc;
7491}
7492
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007493/* Assumption: runs under rtnl lock. This together with the fact
7494 * that it's called only from bnx2x_reset_task() ensure that it
7495 * will never be called when netif_running(bp->dev) is false.
7496 */
7497static void bnx2x_parity_recover(struct bnx2x *bp)
7498{
7499 DP(NETIF_MSG_HW, "Handling parity\n");
7500 while (1) {
7501 switch (bp->recovery_state) {
7502 case BNX2X_RECOVERY_INIT:
7503 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7504 /* Try to get a LEADER_LOCK HW lock */
7505 if (bnx2x_trylock_hw_lock(bp,
7506 HW_LOCK_RESOURCE_RESERVED_08))
7507 bp->is_leader = 1;
7508
7509 /* Stop the driver */
7510 /* If interface has been removed - break */
7511 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7512 return;
7513
7514 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7515 /* Ensure "is_leader" and "recovery_state"
7516 * update values are seen on other CPUs
7517 */
7518 smp_wmb();
7519 break;
7520
7521 case BNX2X_RECOVERY_WAIT:
7522 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7523 if (bp->is_leader) {
7524 u32 load_counter = bnx2x_get_load_cnt(bp);
7525 if (load_counter) {
7526 /* Wait until all other functions get
7527 * down.
7528 */
7529 schedule_delayed_work(&bp->reset_task,
7530 HZ/10);
7531 return;
7532 } else {
7533 /* If all other functions got down -
7534 * try to bring the chip back to
7535 * normal. In any case it's an exit
7536 * point for a leader.
7537 */
7538 if (bnx2x_leader_reset(bp) ||
7539 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7540 printk(KERN_ERR"%s: Recovery "
7541 "has failed. Power cycle is "
7542 "needed.\n", bp->dev->name);
7543 /* Disconnect this device */
7544 netif_device_detach(bp->dev);
7545 /* Block ifup for all function
7546 * of this ASIC until
7547 * "process kill" or power
7548 * cycle.
7549 */
7550 bnx2x_set_reset_in_progress(bp);
7551 /* Shut down the power */
7552 bnx2x_set_power_state(bp,
7553 PCI_D3hot);
7554 return;
7555 }
7556
7557 return;
7558 }
7559 } else { /* non-leader */
7560 if (!bnx2x_reset_is_done(bp)) {
7561 /* Try to get a LEADER_LOCK HW lock as
7562 * long as a former leader may have
7563 * been unloaded by the user or
7564 * released a leadership by another
7565 * reason.
7566 */
7567 if (bnx2x_trylock_hw_lock(bp,
7568 HW_LOCK_RESOURCE_RESERVED_08)) {
7569 /* I'm a leader now! Restart a
7570 * switch case.
7571 */
7572 bp->is_leader = 1;
7573 break;
7574 }
7575
7576 schedule_delayed_work(&bp->reset_task,
7577 HZ/10);
7578 return;
7579
7580 } else { /* A leader has completed
7581 * the "process kill". It's an exit
7582 * point for a non-leader.
7583 */
7584 bnx2x_nic_load(bp, LOAD_NORMAL);
7585 bp->recovery_state =
7586 BNX2X_RECOVERY_DONE;
7587 smp_wmb();
7588 return;
7589 }
7590 }
7591 default:
7592 return;
7593 }
7594 }
7595}
7596
7597/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7598 * scheduled on a general queue in order to prevent a dead lock.
7599 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007600static void bnx2x_reset_task(struct work_struct *work)
7601{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007602 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007603
7604#ifdef BNX2X_STOP_ON_ERROR
7605 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7606 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007607 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007608 return;
7609#endif
7610
7611 rtnl_lock();
7612
7613 if (!netif_running(bp->dev))
7614 goto reset_task_exit;
7615
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007616 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7617 bnx2x_parity_recover(bp);
7618 else {
7619 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7620 bnx2x_nic_load(bp, LOAD_NORMAL);
7621 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007622
7623reset_task_exit:
7624 rtnl_unlock();
7625}
7626
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007627/* end of nic load/unload */
7628
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007629/*
7630 * Init service functions
7631 */
7632
stephen hemminger8d962862010-10-21 07:50:56 +00007633static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007634{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007635 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7636 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7637 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007638}
7639
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007640static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007641{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007642 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007643
7644 /* Flush all outstanding writes */
7645 mmiowb();
7646
7647 /* Pretend to be function 0 */
7648 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007649 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007650
7651 /* From now we are in the "like-E1" mode */
7652 bnx2x_int_disable(bp);
7653
7654 /* Flush all outstanding writes */
7655 mmiowb();
7656
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007657 /* Restore the original function */
7658 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7659 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007660}
7661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007662static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007663{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007664 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007665 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007666 else
7667 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007668}
7669
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007670static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007671{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007672 u32 val;
7673
7674 /* Check if there is any driver already loaded */
7675 val = REG_RD(bp, MISC_REG_UNPREPARED);
7676 if (val == 0x1) {
7677 /* Check if it is the UNDI driver
7678 * UNDI driver initializes CID offset for normal bell to 0x7
7679 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007680 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007681 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7682 if (val == 0x7) {
7683 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007684 /* save our pf_num */
7685 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007686 u32 swap_en;
7687 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007688
Eilon Greensteinb4661732009-01-14 06:43:56 +00007689 /* clear the UNDI indication */
7690 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007692 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7693
7694 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007695 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007696 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007697 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007698 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007699 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007700
7701 /* if UNDI is loaded on the other port */
7702 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7703
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007704 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007705 bnx2x_fw_command(bp,
7706 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007707
7708 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007709 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007710 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007711 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007712 DRV_MSG_SEQ_NUMBER_MASK);
7713 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007714
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007715 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007716 }
7717
Eilon Greensteinb4661732009-01-14 06:43:56 +00007718 /* now it's safe to release the lock */
7719 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7720
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007721 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007722
7723 /* close input traffic and wait for it */
7724 /* Do not rcv packets to BRB */
7725 REG_WR(bp,
7726 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7727 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7728 /* Do not direct rcv packets that are not for MCP to
7729 * the BRB */
7730 REG_WR(bp,
7731 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7732 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7733 /* clear AEU */
7734 REG_WR(bp,
7735 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7736 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7737 msleep(10);
7738
7739 /* save NIG port swap info */
7740 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7741 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007742 /* reset device */
7743 REG_WR(bp,
7744 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007745 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007746 REG_WR(bp,
7747 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7748 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007749 /* take the NIG out of reset and restore swap values */
7750 REG_WR(bp,
7751 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7752 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7753 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7754 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7755
7756 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007757 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007758
7759 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007760 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007761 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007762 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007763 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007764 } else
7765 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007766 }
7767}
7768
7769static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7770{
7771 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007772 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007773
7774 /* Get the chip revision id and number. */
7775 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7776 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7777 id = ((val & 0xffff) << 16);
7778 val = REG_RD(bp, MISC_REG_CHIP_REV);
7779 id |= ((val & 0xf) << 12);
7780 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7781 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007782 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007783 id |= (val & 0xf);
7784 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007785
7786 /* Set doorbell size */
7787 bp->db_size = (1 << BNX2X_DB_SHIFT);
7788
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007789 if (CHIP_IS_E2(bp)) {
7790 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7791 if ((val & 1) == 0)
7792 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7793 else
7794 val = (val >> 1) & 1;
7795 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7796 "2_PORT_MODE");
7797 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7798 CHIP_2_PORT_MODE;
7799
7800 if (CHIP_MODE_IS_4_PORT(bp))
7801 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7802 else
7803 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7804 } else {
7805 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7806 bp->pfid = bp->pf_num; /* 0..7 */
7807 }
7808
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007809 /*
7810 * set base FW non-default (fast path) status block id, this value is
7811 * used to initialize the fw_sb_id saved on the fp/queue structure to
7812 * determine the id used by the FW.
7813 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007814 if (CHIP_IS_E1x(bp))
7815 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7816 else /* E2 */
7817 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7818
7819 bp->link_params.chip_id = bp->common.chip_id;
7820 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007821
Eilon Greenstein1c063282009-02-12 08:36:43 +00007822 val = (REG_RD(bp, 0x2874) & 0x55);
7823 if ((bp->common.chip_id & 0x1) ||
7824 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7825 bp->flags |= ONE_PORT_FLAG;
7826 BNX2X_DEV_INFO("single port device\n");
7827 }
7828
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007829 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7830 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7831 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7832 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7833 bp->common.flash_size, bp->common.flash_size);
7834
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007835 bnx2x_init_shmem(bp);
7836
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007837 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7838 MISC_REG_GENERIC_CR_1 :
7839 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007840
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007841 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007842 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007843 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7844 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007845
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007846 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007847 BNX2X_DEV_INFO("MCP not active\n");
7848 bp->flags |= NO_MCP_FLAG;
7849 return;
7850 }
7851
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007852 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007853 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007854
7855 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7856 SHARED_HW_CFG_LED_MODE_MASK) >>
7857 SHARED_HW_CFG_LED_MODE_SHIFT);
7858
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007859 bp->link_params.feature_config_flags = 0;
7860 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7861 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7862 bp->link_params.feature_config_flags |=
7863 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7864 else
7865 bp->link_params.feature_config_flags &=
7866 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7867
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007868 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7869 bp->common.bc_ver = val;
7870 BNX2X_DEV_INFO("bc_ver %X\n", val);
7871 if (val < BNX2X_BC_VER) {
7872 /* for now only warn
7873 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007874 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7875 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007876 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007877 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007878 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007879 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7880
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007881 bp->link_params.feature_config_flags |=
7882 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7883 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007884
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007885 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7886 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7887
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007888 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007889 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007890
7891 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7892 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7893 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7894 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7895
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007896 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7897 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007898}
7899
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007900#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7901#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7902
7903static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7904{
7905 int pfid = BP_FUNC(bp);
7906 int vn = BP_E1HVN(bp);
7907 int igu_sb_id;
7908 u32 val;
7909 u8 fid;
7910
7911 bp->igu_base_sb = 0xff;
7912 bp->igu_sb_cnt = 0;
7913 if (CHIP_INT_MODE_IS_BC(bp)) {
7914 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007915 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007916
7917 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7918 FP_SB_MAX_E1x;
7919
7920 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7921 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7922
7923 return;
7924 }
7925
7926 /* IGU in normal mode - read CAM */
7927 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7928 igu_sb_id++) {
7929 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7930 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7931 continue;
7932 fid = IGU_FID(val);
7933 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7934 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7935 continue;
7936 if (IGU_VEC(val) == 0)
7937 /* default status block */
7938 bp->igu_dsb_id = igu_sb_id;
7939 else {
7940 if (bp->igu_base_sb == 0xff)
7941 bp->igu_base_sb = igu_sb_id;
7942 bp->igu_sb_cnt++;
7943 }
7944 }
7945 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007946 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7947 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007948 if (bp->igu_sb_cnt == 0)
7949 BNX2X_ERR("CAM configuration error\n");
7950}
7951
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007952static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7953 u32 switch_cfg)
7954{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007955 int cfg_size = 0, idx, port = BP_PORT(bp);
7956
7957 /* Aggregation of supported attributes of all external phys */
7958 bp->port.supported[0] = 0;
7959 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007960 switch (bp->link_params.num_phys) {
7961 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007962 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7963 cfg_size = 1;
7964 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007965 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007966 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7967 cfg_size = 1;
7968 break;
7969 case 3:
7970 if (bp->link_params.multi_phy_config &
7971 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7972 bp->port.supported[1] =
7973 bp->link_params.phy[EXT_PHY1].supported;
7974 bp->port.supported[0] =
7975 bp->link_params.phy[EXT_PHY2].supported;
7976 } else {
7977 bp->port.supported[0] =
7978 bp->link_params.phy[EXT_PHY1].supported;
7979 bp->port.supported[1] =
7980 bp->link_params.phy[EXT_PHY2].supported;
7981 }
7982 cfg_size = 2;
7983 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007984 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007985
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007986 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007987 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007988 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007989 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007990 dev_info.port_hw_config[port].external_phy_config),
7991 SHMEM_RD(bp,
7992 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007993 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007994 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007995
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007996 switch (switch_cfg) {
7997 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007998 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7999 port*0x10);
8000 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008001 break;
8002
8003 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008004 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8005 port*0x18);
8006 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008007 break;
8008
8009 default:
8010 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008011 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008012 return;
8013 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008014 /* mask what we support according to speed_cap_mask per configuration */
8015 for (idx = 0; idx < cfg_size; idx++) {
8016 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008017 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008018 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008019
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008020 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008021 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008022 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008023
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008024 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008025 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008026 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008027
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008028 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008029 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008030 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008031
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008032 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008033 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008034 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008035 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008036
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008037 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008038 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008039 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008040
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008041 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008042 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008043 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008044
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008045 }
8046
8047 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8048 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008049}
8050
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008051static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008052{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008053 u32 link_config, idx, cfg_size = 0;
8054 bp->port.advertising[0] = 0;
8055 bp->port.advertising[1] = 0;
8056 switch (bp->link_params.num_phys) {
8057 case 1:
8058 case 2:
8059 cfg_size = 1;
8060 break;
8061 case 3:
8062 cfg_size = 2;
8063 break;
8064 }
8065 for (idx = 0; idx < cfg_size; idx++) {
8066 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8067 link_config = bp->port.link_config[idx];
8068 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008069 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008070 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8071 bp->link_params.req_line_speed[idx] =
8072 SPEED_AUTO_NEG;
8073 bp->port.advertising[idx] |=
8074 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008075 } else {
8076 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008077 bp->link_params.req_line_speed[idx] =
8078 SPEED_10000;
8079 bp->port.advertising[idx] |=
8080 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008081 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008082 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008083 }
8084 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008085
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008086 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008087 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8088 bp->link_params.req_line_speed[idx] =
8089 SPEED_10;
8090 bp->port.advertising[idx] |=
8091 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008092 ADVERTISED_TP);
8093 } else {
8094 BNX2X_ERROR("NVRAM config error. "
8095 "Invalid link_config 0x%x"
8096 " speed_cap_mask 0x%x\n",
8097 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008098 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008099 return;
8100 }
8101 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008102
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008103 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008104 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8105 bp->link_params.req_line_speed[idx] =
8106 SPEED_10;
8107 bp->link_params.req_duplex[idx] =
8108 DUPLEX_HALF;
8109 bp->port.advertising[idx] |=
8110 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008111 ADVERTISED_TP);
8112 } else {
8113 BNX2X_ERROR("NVRAM config error. "
8114 "Invalid link_config 0x%x"
8115 " speed_cap_mask 0x%x\n",
8116 link_config,
8117 bp->link_params.speed_cap_mask[idx]);
8118 return;
8119 }
8120 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008121
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008122 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8123 if (bp->port.supported[idx] &
8124 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008125 bp->link_params.req_line_speed[idx] =
8126 SPEED_100;
8127 bp->port.advertising[idx] |=
8128 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008129 ADVERTISED_TP);
8130 } else {
8131 BNX2X_ERROR("NVRAM config error. "
8132 "Invalid link_config 0x%x"
8133 " speed_cap_mask 0x%x\n",
8134 link_config,
8135 bp->link_params.speed_cap_mask[idx]);
8136 return;
8137 }
8138 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008139
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008140 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8141 if (bp->port.supported[idx] &
8142 SUPPORTED_100baseT_Half) {
8143 bp->link_params.req_line_speed[idx] =
8144 SPEED_100;
8145 bp->link_params.req_duplex[idx] =
8146 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008147 bp->port.advertising[idx] |=
8148 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008149 ADVERTISED_TP);
8150 } else {
8151 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008152 "Invalid link_config 0x%x"
8153 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008154 link_config,
8155 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008156 return;
8157 }
8158 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008159
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008160 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008161 if (bp->port.supported[idx] &
8162 SUPPORTED_1000baseT_Full) {
8163 bp->link_params.req_line_speed[idx] =
8164 SPEED_1000;
8165 bp->port.advertising[idx] |=
8166 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008167 ADVERTISED_TP);
8168 } else {
8169 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008170 "Invalid link_config 0x%x"
8171 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008172 link_config,
8173 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008174 return;
8175 }
8176 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008177
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008178 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008179 if (bp->port.supported[idx] &
8180 SUPPORTED_2500baseX_Full) {
8181 bp->link_params.req_line_speed[idx] =
8182 SPEED_2500;
8183 bp->port.advertising[idx] |=
8184 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008185 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008186 } else {
8187 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008188 "Invalid link_config 0x%x"
8189 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008190 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008191 bp->link_params.speed_cap_mask[idx]);
8192 return;
8193 }
8194 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008195
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008196 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8197 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8198 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008199 if (bp->port.supported[idx] &
8200 SUPPORTED_10000baseT_Full) {
8201 bp->link_params.req_line_speed[idx] =
8202 SPEED_10000;
8203 bp->port.advertising[idx] |=
8204 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008205 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008206 } else {
8207 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008208 "Invalid link_config 0x%x"
8209 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008210 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008211 bp->link_params.speed_cap_mask[idx]);
8212 return;
8213 }
8214 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008216 default:
8217 BNX2X_ERROR("NVRAM config error. "
8218 "BAD link speed link_config 0x%x\n",
8219 link_config);
8220 bp->link_params.req_line_speed[idx] =
8221 SPEED_AUTO_NEG;
8222 bp->port.advertising[idx] =
8223 bp->port.supported[idx];
8224 break;
8225 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008226
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008227 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008228 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008229 if ((bp->link_params.req_flow_ctrl[idx] ==
8230 BNX2X_FLOW_CTRL_AUTO) &&
8231 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8232 bp->link_params.req_flow_ctrl[idx] =
8233 BNX2X_FLOW_CTRL_NONE;
8234 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008235
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008236 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8237 " 0x%x advertising 0x%x\n",
8238 bp->link_params.req_line_speed[idx],
8239 bp->link_params.req_duplex[idx],
8240 bp->link_params.req_flow_ctrl[idx],
8241 bp->port.advertising[idx]);
8242 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008243}
8244
Michael Chane665bfd2009-10-10 13:46:54 +00008245static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8246{
8247 mac_hi = cpu_to_be16(mac_hi);
8248 mac_lo = cpu_to_be32(mac_lo);
8249 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8250 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8251}
8252
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008253static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008254{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008255 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008256 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008257 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008258
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008259 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008260 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008261
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008262 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008263 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008264
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008265 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008266 SHMEM_RD(bp,
8267 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008268 bp->link_params.speed_cap_mask[1] =
8269 SHMEM_RD(bp,
8270 dev_info.port_hw_config[port].speed_capability_mask2);
8271 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008272 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8273
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008274 bp->port.link_config[1] =
8275 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008276
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008277 bp->link_params.multi_phy_config =
8278 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008279 /* If the device is capable of WoL, set the default state according
8280 * to the HW
8281 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008282 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008283 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8284 (config & PORT_FEATURE_WOL_ENABLED));
8285
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008286 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008287 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008288 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008289 bp->link_params.speed_cap_mask[0],
8290 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008291
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008292 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008293 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008294 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008295 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008296
8297 bnx2x_link_settings_requested(bp);
8298
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008299 /*
8300 * If connected directly, work with the internal PHY, otherwise, work
8301 * with the external PHY
8302 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008303 ext_phy_config =
8304 SHMEM_RD(bp,
8305 dev_info.port_hw_config[port].external_phy_config);
8306 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008307 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008308 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008309
8310 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8311 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8312 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008313 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008314
8315 /*
8316 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8317 * In MF mode, it is set to cover self test cases
8318 */
8319 if (IS_MF(bp))
8320 bp->port.need_hw_lock = 1;
8321 else
8322 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8323 bp->common.shmem_base,
8324 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008325}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008326
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008327#ifdef BCM_CNIC
8328static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8329{
8330 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8331 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8332 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8333 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8334
8335 /* Get the number of maximum allowed iSCSI and FCoE connections */
8336 bp->cnic_eth_dev.max_iscsi_conn =
8337 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8338 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8339
8340 bp->cnic_eth_dev.max_fcoe_conn =
8341 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8342 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8343
8344 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8345 bp->cnic_eth_dev.max_iscsi_conn,
8346 bp->cnic_eth_dev.max_fcoe_conn);
8347
8348 /* If mamimum allowed number of connections is zero -
8349 * disable the feature.
8350 */
8351 if (!bp->cnic_eth_dev.max_iscsi_conn)
8352 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8353
8354 if (!bp->cnic_eth_dev.max_fcoe_conn)
8355 bp->flags |= NO_FCOE_FLAG;
8356}
8357#endif
8358
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008359static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8360{
8361 u32 val, val2;
8362 int func = BP_ABS_FUNC(bp);
8363 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008364#ifdef BCM_CNIC
8365 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8366 u8 *fip_mac = bp->fip_mac;
8367#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008368
8369 if (BP_NOMCP(bp)) {
8370 BNX2X_ERROR("warning: random MAC workaround active\n");
8371 random_ether_addr(bp->dev->dev_addr);
8372 } else if (IS_MF(bp)) {
8373 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8374 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8375 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8376 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8377 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8378
8379#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008380 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8381 * FCoE MAC then the appropriate feature should be disabled.
8382 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008383 if (IS_MF_SI(bp)) {
8384 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8385 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8386 val2 = MF_CFG_RD(bp, func_ext_config[func].
8387 iscsi_mac_addr_upper);
8388 val = MF_CFG_RD(bp, func_ext_config[func].
8389 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008390 BNX2X_DEV_INFO("Read iSCSI MAC: "
8391 "0x%x:0x%04x\n", val2, val);
8392 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008393 } else
8394 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8395
8396 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8397 val2 = MF_CFG_RD(bp, func_ext_config[func].
8398 fcoe_mac_addr_upper);
8399 val = MF_CFG_RD(bp, func_ext_config[func].
8400 fcoe_mac_addr_lower);
8401 BNX2X_DEV_INFO("Read FCoE MAC to "
8402 "0x%x:0x%04x\n", val2, val);
8403 bnx2x_set_mac_buf(fip_mac, val, val2);
8404
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008405 } else
8406 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008407 }
8408#endif
8409 } else {
8410 /* in SF read MACs from port configuration */
8411 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8412 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8413 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8414
8415#ifdef BCM_CNIC
8416 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8417 iscsi_mac_upper);
8418 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8419 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008420 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008421#endif
8422 }
8423
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008424 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8425 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008426
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008427#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008428 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008429 if (!CHIP_IS_E1x(bp)) {
8430 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008431 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8432 else if (!IS_MF(bp))
8433 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008434 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008435
8436 /* Disable iSCSI if MAC configuration is
8437 * invalid.
8438 */
8439 if (!is_valid_ether_addr(iscsi_mac)) {
8440 bp->flags |= NO_ISCSI_FLAG;
8441 memset(iscsi_mac, 0, ETH_ALEN);
8442 }
8443
8444 /* Disable FCoE if MAC configuration is
8445 * invalid.
8446 */
8447 if (!is_valid_ether_addr(fip_mac)) {
8448 bp->flags |= NO_FCOE_FLAG;
8449 memset(bp->fip_mac, 0, ETH_ALEN);
8450 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008451#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008452}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008453
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008454static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8455{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008456 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008457 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008458 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008459 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008461 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008462
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008463 if (CHIP_IS_E1x(bp)) {
8464 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008465
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008466 bp->igu_dsb_id = DEF_SB_IGU_ID;
8467 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008468 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8469 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008470 } else {
8471 bp->common.int_block = INT_BLOCK_IGU;
8472 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8473 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8474 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8475 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8476 } else
8477 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8478
8479 bnx2x_get_igu_cam_info(bp);
8480
8481 }
8482 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8483 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8484
8485 /*
8486 * Initialize MF configuration
8487 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008488
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008489 bp->mf_ov = 0;
8490 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008491 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008492
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008493 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008494 DP(NETIF_MSG_PROBE,
8495 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8496 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8497 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008498 if (SHMEM2_HAS(bp, mf_cfg_addr))
8499 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8500 else
8501 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008502 offsetof(struct shmem_region, func_mb) +
8503 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008504 /*
8505 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008506 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008507 * 2. MAC address must be legal (check only upper bytes)
8508 * for Switch-Independent mode;
8509 * OVLAN must be legal for Switch-Dependent mode
8510 * 3. SF_MODE configures specific MF mode
8511 */
8512 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8513 /* get mf configuration */
8514 val = SHMEM_RD(bp,
8515 dev_info.shared_feature_config.config);
8516 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008517
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008518 switch (val) {
8519 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8520 val = MF_CFG_RD(bp, func_mf_config[func].
8521 mac_upper);
8522 /* check for legal mac (upper bytes)*/
8523 if (val != 0xffff) {
8524 bp->mf_mode = MULTI_FUNCTION_SI;
8525 bp->mf_config[vn] = MF_CFG_RD(bp,
8526 func_mf_config[func].config);
8527 } else
8528 DP(NETIF_MSG_PROBE, "illegal MAC "
8529 "address for SI\n");
8530 break;
8531 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8532 /* get OV configuration */
8533 val = MF_CFG_RD(bp,
8534 func_mf_config[FUNC_0].e1hov_tag);
8535 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8536
8537 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8538 bp->mf_mode = MULTI_FUNCTION_SD;
8539 bp->mf_config[vn] = MF_CFG_RD(bp,
8540 func_mf_config[func].config);
8541 } else
8542 DP(NETIF_MSG_PROBE, "illegal OV for "
8543 "SD\n");
8544 break;
8545 default:
8546 /* Unknown configuration: reset mf_config */
8547 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008548 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008549 val);
8550 }
8551 }
8552
Eilon Greenstein2691d512009-08-12 08:22:08 +00008553 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008554 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008555
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008556 switch (bp->mf_mode) {
8557 case MULTI_FUNCTION_SD:
8558 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8559 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008560 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008561 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008562 BNX2X_DEV_INFO("MF OV for func %d is %d"
8563 " (0x%04x)\n", func,
8564 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008565 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008566 BNX2X_ERR("No valid MF OV for func %d,"
8567 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008568 rc = -EPERM;
8569 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008570 break;
8571 case MULTI_FUNCTION_SI:
8572 BNX2X_DEV_INFO("func %d is in MF "
8573 "switch-independent mode\n", func);
8574 break;
8575 default:
8576 if (vn) {
8577 BNX2X_ERR("VN %d in single function mode,"
8578 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008579 rc = -EPERM;
8580 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008581 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008582 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008583
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008584 }
8585
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008586 /* adjust igu_sb_cnt to MF for E1x */
8587 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008588 bp->igu_sb_cnt /= E1HVN_MAX;
8589
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008590 /*
8591 * adjust E2 sb count: to be removed when FW will support
8592 * more then 16 L2 clients
8593 */
8594#define MAX_L2_CLIENTS 16
8595 if (CHIP_IS_E2(bp))
8596 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8597 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8598
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008599 if (!BP_NOMCP(bp)) {
8600 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008601
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008602 bp->fw_seq =
8603 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8604 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008605 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8606 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008607
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008608 /* Get MAC addresses */
8609 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008610
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008611#ifdef BCM_CNIC
8612 bnx2x_get_cnic_info(bp);
8613#endif
8614
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008615 return rc;
8616}
8617
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008618static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8619{
8620 int cnt, i, block_end, rodi;
8621 char vpd_data[BNX2X_VPD_LEN+1];
8622 char str_id_reg[VENDOR_ID_LEN+1];
8623 char str_id_cap[VENDOR_ID_LEN+1];
8624 u8 len;
8625
8626 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8627 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8628
8629 if (cnt < BNX2X_VPD_LEN)
8630 goto out_not_found;
8631
8632 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8633 PCI_VPD_LRDT_RO_DATA);
8634 if (i < 0)
8635 goto out_not_found;
8636
8637
8638 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8639 pci_vpd_lrdt_size(&vpd_data[i]);
8640
8641 i += PCI_VPD_LRDT_TAG_SIZE;
8642
8643 if (block_end > BNX2X_VPD_LEN)
8644 goto out_not_found;
8645
8646 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8647 PCI_VPD_RO_KEYWORD_MFR_ID);
8648 if (rodi < 0)
8649 goto out_not_found;
8650
8651 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8652
8653 if (len != VENDOR_ID_LEN)
8654 goto out_not_found;
8655
8656 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8657
8658 /* vendor specific info */
8659 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8660 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8661 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8662 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8663
8664 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8665 PCI_VPD_RO_KEYWORD_VENDOR0);
8666 if (rodi >= 0) {
8667 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8668
8669 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8670
8671 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8672 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8673 bp->fw_ver[len] = ' ';
8674 }
8675 }
8676 return;
8677 }
8678out_not_found:
8679 return;
8680}
8681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008682static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8683{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008684 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008685 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008686 int rc;
8687
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008688 /* Disable interrupt handling until HW is initialized */
8689 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008690 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008692 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008693 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008694 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008695#ifdef BCM_CNIC
8696 mutex_init(&bp->cnic_mutex);
8697#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008698
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008699 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008700 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008701
8702 rc = bnx2x_get_hwinfo(bp);
8703
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008704 if (!rc)
8705 rc = bnx2x_alloc_mem_bp(bp);
8706
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008707 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008708
8709 func = BP_FUNC(bp);
8710
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008711 /* need to reset chip if undi was active */
8712 if (!BP_NOMCP(bp))
8713 bnx2x_undi_unload(bp);
8714
8715 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008716 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008717
8718 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008719 dev_err(&bp->pdev->dev, "MCP disabled, "
8720 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008721
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008722 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008723 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008724
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008725 /* Set TPA flags */
8726 if (disable_tpa) {
8727 bp->flags &= ~TPA_ENABLE_FLAG;
8728 bp->dev->features &= ~NETIF_F_LRO;
8729 } else {
8730 bp->flags |= TPA_ENABLE_FLAG;
8731 bp->dev->features |= NETIF_F_LRO;
8732 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008733 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008734
Eilon Greensteina18f5122009-08-12 08:23:26 +00008735 if (CHIP_IS_E1(bp))
8736 bp->dropless_fc = 0;
8737 else
8738 bp->dropless_fc = dropless_fc;
8739
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008740 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008741
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008742 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008743
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008744 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008745 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8746 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008747
Eilon Greenstein87942b42009-02-12 08:36:49 +00008748 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8749 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008750
8751 init_timer(&bp->timer);
8752 bp->timer.expires = jiffies + bp->current_interval;
8753 bp->timer.data = (unsigned long) bp;
8754 bp->timer.function = bnx2x_timer;
8755
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008756 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008757 bnx2x_dcbx_init_params(bp);
8758
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008759 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008760}
8761
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008762
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008763/****************************************************************************
8764* General service functions
8765****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008766
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008767/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008768static int bnx2x_open(struct net_device *dev)
8769{
8770 struct bnx2x *bp = netdev_priv(dev);
8771
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008772 netif_carrier_off(dev);
8773
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008774 bnx2x_set_power_state(bp, PCI_D0);
8775
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008776 if (!bnx2x_reset_is_done(bp)) {
8777 do {
8778 /* Reset MCP mail box sequence if there is on going
8779 * recovery
8780 */
8781 bp->fw_seq = 0;
8782
8783 /* If it's the first function to load and reset done
8784 * is still not cleared it may mean that. We don't
8785 * check the attention state here because it may have
8786 * already been cleared by a "common" reset but we
8787 * shell proceed with "process kill" anyway.
8788 */
8789 if ((bnx2x_get_load_cnt(bp) == 0) &&
8790 bnx2x_trylock_hw_lock(bp,
8791 HW_LOCK_RESOURCE_RESERVED_08) &&
8792 (!bnx2x_leader_reset(bp))) {
8793 DP(NETIF_MSG_HW, "Recovered in open\n");
8794 break;
8795 }
8796
8797 bnx2x_set_power_state(bp, PCI_D3hot);
8798
8799 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8800 " completed yet. Try again later. If u still see this"
8801 " message after a few retries then power cycle is"
8802 " required.\n", bp->dev->name);
8803
8804 return -EAGAIN;
8805 } while (0);
8806 }
8807
8808 bp->recovery_state = BNX2X_RECOVERY_DONE;
8809
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008810 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008811}
8812
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008813/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008814static int bnx2x_close(struct net_device *dev)
8815{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008816 struct bnx2x *bp = netdev_priv(dev);
8817
8818 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008819 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008820 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008821
8822 return 0;
8823}
8824
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008825#define E1_MAX_UC_LIST 29
8826#define E1H_MAX_UC_LIST 30
8827#define E2_MAX_UC_LIST 14
8828static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8829{
8830 if (CHIP_IS_E1(bp))
8831 return E1_MAX_UC_LIST;
8832 else if (CHIP_IS_E1H(bp))
8833 return E1H_MAX_UC_LIST;
8834 else
8835 return E2_MAX_UC_LIST;
8836}
8837
8838
8839static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8840{
8841 if (CHIP_IS_E1(bp))
8842 /* CAM Entries for Port0:
8843 * 0 - prim ETH MAC
8844 * 1 - BCAST MAC
8845 * 2 - iSCSI L2 ring ETH MAC
8846 * 3-31 - UC MACs
8847 *
8848 * Port1 entries are allocated the same way starting from
8849 * entry 32.
8850 */
8851 return 3 + 32 * BP_PORT(bp);
8852 else if (CHIP_IS_E1H(bp)) {
8853 /* CAM Entries:
8854 * 0-7 - prim ETH MAC for each function
8855 * 8-15 - iSCSI L2 ring ETH MAC for each function
8856 * 16 till 255 UC MAC lists for each function
8857 *
8858 * Remark: There is no FCoE support for E1H, thus FCoE related
8859 * MACs are not considered.
8860 */
8861 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8862 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8863 } else {
8864 /* CAM Entries (there is a separate CAM per engine):
8865 * 0-4 - prim ETH MAC for each function
8866 * 4-7 - iSCSI L2 ring ETH MAC for each function
8867 * 8-11 - FIP ucast L2 MAC for each function
8868 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8869 * 16 till 71 UC MAC lists for each function
8870 */
8871 u8 func_idx =
8872 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8873
8874 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8875 bnx2x_max_uc_list(bp) * func_idx;
8876 }
8877}
8878
8879/* set uc list, do not wait as wait implies sleep and
8880 * set_rx_mode can be invoked from non-sleepable context.
8881 *
8882 * Instead we use the same ramrod data buffer each time we need
8883 * to configure a list of addresses, and use the fact that the
8884 * list of MACs is changed in an incremental way and that the
8885 * function is called under the netif_addr_lock. A temporary
8886 * inconsistent CAM configuration (possible in case of very fast
8887 * sequence of add/del/add on the host side) will shortly be
8888 * restored by the handler of the last ramrod.
8889 */
8890static int bnx2x_set_uc_list(struct bnx2x *bp)
8891{
8892 int i = 0, old;
8893 struct net_device *dev = bp->dev;
8894 u8 offset = bnx2x_uc_list_cam_offset(bp);
8895 struct netdev_hw_addr *ha;
8896 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8897 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8898
8899 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8900 return -EINVAL;
8901
8902 netdev_for_each_uc_addr(ha, dev) {
8903 /* copy mac */
8904 config_cmd->config_table[i].msb_mac_addr =
8905 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8906 config_cmd->config_table[i].middle_mac_addr =
8907 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8908 config_cmd->config_table[i].lsb_mac_addr =
8909 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8910
8911 config_cmd->config_table[i].vlan_id = 0;
8912 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8913 config_cmd->config_table[i].clients_bit_vector =
8914 cpu_to_le32(1 << BP_L_ID(bp));
8915
8916 SET_FLAG(config_cmd->config_table[i].flags,
8917 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8918 T_ETH_MAC_COMMAND_SET);
8919
8920 DP(NETIF_MSG_IFUP,
8921 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8922 config_cmd->config_table[i].msb_mac_addr,
8923 config_cmd->config_table[i].middle_mac_addr,
8924 config_cmd->config_table[i].lsb_mac_addr);
8925
8926 i++;
8927
8928 /* Set uc MAC in NIG */
8929 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8930 LLH_CAM_ETH_LINE + i);
8931 }
8932 old = config_cmd->hdr.length;
8933 if (old > i) {
8934 for (; i < old; i++) {
8935 if (CAM_IS_INVALID(config_cmd->
8936 config_table[i])) {
8937 /* already invalidated */
8938 break;
8939 }
8940 /* invalidate */
8941 SET_FLAG(config_cmd->config_table[i].flags,
8942 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8943 T_ETH_MAC_COMMAND_INVALIDATE);
8944 }
8945 }
8946
8947 wmb();
8948
8949 config_cmd->hdr.length = i;
8950 config_cmd->hdr.offset = offset;
8951 config_cmd->hdr.client_id = 0xff;
8952 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8953 * synchronization.
8954 */
8955 config_cmd->hdr.echo = 0;
8956
8957 mb();
8958
8959 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8960 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8961
8962}
8963
8964void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8965{
8966 int i;
8967 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8968 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8969 int ramrod_flags = WAIT_RAMROD_COMMON;
8970 u8 offset = bnx2x_uc_list_cam_offset(bp);
8971 u8 max_list_size = bnx2x_max_uc_list(bp);
8972
8973 for (i = 0; i < max_list_size; i++) {
8974 SET_FLAG(config_cmd->config_table[i].flags,
8975 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8976 T_ETH_MAC_COMMAND_INVALIDATE);
8977 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8978 }
8979
8980 wmb();
8981
8982 config_cmd->hdr.length = max_list_size;
8983 config_cmd->hdr.offset = offset;
8984 config_cmd->hdr.client_id = 0xff;
8985 /* We'll wait for a completion this time... */
8986 config_cmd->hdr.echo = 1;
8987
8988 bp->set_mac_pending = 1;
8989
8990 mb();
8991
8992 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8993 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8994
8995 /* Wait for a completion */
8996 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
8997 ramrod_flags);
8998
8999}
9000
9001static inline int bnx2x_set_mc_list(struct bnx2x *bp)
9002{
9003 /* some multicasts */
9004 if (CHIP_IS_E1(bp)) {
9005 return bnx2x_set_e1_mc_list(bp);
9006 } else { /* E1H and newer */
9007 return bnx2x_set_e1h_mc_list(bp);
9008 }
9009}
9010
Eilon Greensteinf5372252009-02-12 08:38:30 +00009011/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009012void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009013{
9014 struct bnx2x *bp = netdev_priv(dev);
9015 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009016
9017 if (bp->state != BNX2X_STATE_OPEN) {
9018 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9019 return;
9020 }
9021
9022 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9023
9024 if (dev->flags & IFF_PROMISC)
9025 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009026 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009027 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009028 else {
9029 /* some multicasts */
9030 if (bnx2x_set_mc_list(bp))
9031 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009032
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009033 /* some unicasts */
9034 if (bnx2x_set_uc_list(bp))
9035 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009036 }
9037
9038 bp->rx_mode = rx_mode;
9039 bnx2x_set_storm_rx_mode(bp);
9040}
9041
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009042/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009043static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9044 int devad, u16 addr)
9045{
9046 struct bnx2x *bp = netdev_priv(netdev);
9047 u16 value;
9048 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009049
9050 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9051 prtad, devad, addr);
9052
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009053 /* The HW expects different devad if CL22 is used */
9054 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9055
9056 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009057 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009058 bnx2x_release_phy_lock(bp);
9059 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9060
9061 if (!rc)
9062 rc = value;
9063 return rc;
9064}
9065
9066/* called with rtnl_lock */
9067static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9068 u16 addr, u16 value)
9069{
9070 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009071 int rc;
9072
9073 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9074 " value 0x%x\n", prtad, devad, addr, value);
9075
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009076 /* The HW expects different devad if CL22 is used */
9077 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9078
9079 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009080 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009081 bnx2x_release_phy_lock(bp);
9082 return rc;
9083}
9084
9085/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009086static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9087{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009088 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009089 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009090
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009091 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9092 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009093
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009094 if (!netif_running(dev))
9095 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009096
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009097 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009098}
9099
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009100#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009101static void poll_bnx2x(struct net_device *dev)
9102{
9103 struct bnx2x *bp = netdev_priv(dev);
9104
9105 disable_irq(bp->pdev->irq);
9106 bnx2x_interrupt(bp->pdev->irq, dev);
9107 enable_irq(bp->pdev->irq);
9108}
9109#endif
9110
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009111static const struct net_device_ops bnx2x_netdev_ops = {
9112 .ndo_open = bnx2x_open,
9113 .ndo_stop = bnx2x_close,
9114 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009115 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009116 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009117 .ndo_set_mac_address = bnx2x_change_mac_addr,
9118 .ndo_validate_addr = eth_validate_addr,
9119 .ndo_do_ioctl = bnx2x_ioctl,
9120 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009121 .ndo_fix_features = bnx2x_fix_features,
9122 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009123 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009124#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009125 .ndo_poll_controller = poll_bnx2x,
9126#endif
9127};
9128
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009129static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9130 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009131{
9132 struct bnx2x *bp;
9133 int rc;
9134
9135 SET_NETDEV_DEV(dev, &pdev->dev);
9136 bp = netdev_priv(dev);
9137
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009138 bp->dev = dev;
9139 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009140 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009141 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009142
9143 rc = pci_enable_device(pdev);
9144 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009145 dev_err(&bp->pdev->dev,
9146 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009147 goto err_out;
9148 }
9149
9150 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009151 dev_err(&bp->pdev->dev,
9152 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009153 rc = -ENODEV;
9154 goto err_out_disable;
9155 }
9156
9157 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009158 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9159 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009160 rc = -ENODEV;
9161 goto err_out_disable;
9162 }
9163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009164 if (atomic_read(&pdev->enable_cnt) == 1) {
9165 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9166 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009167 dev_err(&bp->pdev->dev,
9168 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009169 goto err_out_disable;
9170 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009171
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009172 pci_set_master(pdev);
9173 pci_save_state(pdev);
9174 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009175
9176 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9177 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009178 dev_err(&bp->pdev->dev,
9179 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009180 rc = -EIO;
9181 goto err_out_release;
9182 }
9183
9184 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9185 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009186 dev_err(&bp->pdev->dev,
9187 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009188 rc = -EIO;
9189 goto err_out_release;
9190 }
9191
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009192 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009193 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009194 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009195 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9196 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009197 rc = -EIO;
9198 goto err_out_release;
9199 }
9200
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009201 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009202 dev_err(&bp->pdev->dev,
9203 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009204 rc = -EIO;
9205 goto err_out_release;
9206 }
9207
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009208 dev->mem_start = pci_resource_start(pdev, 0);
9209 dev->base_addr = dev->mem_start;
9210 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009211
9212 dev->irq = pdev->irq;
9213
Arjan van de Ven275f1652008-10-20 21:42:39 -07009214 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009215 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009216 dev_err(&bp->pdev->dev,
9217 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009218 rc = -ENOMEM;
9219 goto err_out_release;
9220 }
9221
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009222 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009223 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009224 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009225 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009226 dev_err(&bp->pdev->dev,
9227 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009228 rc = -ENOMEM;
9229 goto err_out_unmap;
9230 }
9231
9232 bnx2x_set_power_state(bp, PCI_D0);
9233
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009234 /* clean indirect addresses */
9235 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9236 PCICFG_VENDOR_ID_OFFSET);
9237 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9238 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9239 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9240 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009241
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009242 /* Reset the load counter */
9243 bnx2x_clear_load_cnt(bp);
9244
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009245 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009246
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009247 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009248 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009249
9250 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9251 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9252 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9253
9254 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9255 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9256
9257 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009258 if (bp->flags & USING_DAC_FLAG)
9259 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009260
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009261 /* Add Loopback capability to the device */
9262 dev->hw_features |= NETIF_F_LOOPBACK;
9263
Shmulik Ravid98507672011-02-28 12:19:55 -08009264#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009265 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9266#endif
9267
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009268 /* get_port_hwinfo() will set prtad and mmds properly */
9269 bp->mdio.prtad = MDIO_PRTAD_NONE;
9270 bp->mdio.mmds = 0;
9271 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9272 bp->mdio.dev = dev;
9273 bp->mdio.mdio_read = bnx2x_mdio_read;
9274 bp->mdio.mdio_write = bnx2x_mdio_write;
9275
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009276 return 0;
9277
9278err_out_unmap:
9279 if (bp->regview) {
9280 iounmap(bp->regview);
9281 bp->regview = NULL;
9282 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009283 if (bp->doorbells) {
9284 iounmap(bp->doorbells);
9285 bp->doorbells = NULL;
9286 }
9287
9288err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009289 if (atomic_read(&pdev->enable_cnt) == 1)
9290 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009291
9292err_out_disable:
9293 pci_disable_device(pdev);
9294 pci_set_drvdata(pdev, NULL);
9295
9296err_out:
9297 return rc;
9298}
9299
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009300static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9301 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009302{
9303 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9304
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009305 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9306
9307 /* return value of 1=2.5GHz 2=5GHz */
9308 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009309}
9310
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009311static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009312{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009313 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009314 struct bnx2x_fw_file_hdr *fw_hdr;
9315 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009316 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009317 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009318 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009319 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009320
9321 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9322 return -EINVAL;
9323
9324 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9325 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9326
9327 /* Make sure none of the offsets and sizes make us read beyond
9328 * the end of the firmware data */
9329 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9330 offset = be32_to_cpu(sections[i].offset);
9331 len = be32_to_cpu(sections[i].len);
9332 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009333 dev_err(&bp->pdev->dev,
9334 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009335 return -EINVAL;
9336 }
9337 }
9338
9339 /* Likewise for the init_ops offsets */
9340 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9341 ops_offsets = (u16 *)(firmware->data + offset);
9342 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9343
9344 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9345 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009346 dev_err(&bp->pdev->dev,
9347 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009348 return -EINVAL;
9349 }
9350 }
9351
9352 /* Check FW version */
9353 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9354 fw_ver = firmware->data + offset;
9355 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9356 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9357 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9358 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009359 dev_err(&bp->pdev->dev,
9360 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009361 fw_ver[0], fw_ver[1], fw_ver[2],
9362 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9363 BCM_5710_FW_MINOR_VERSION,
9364 BCM_5710_FW_REVISION_VERSION,
9365 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009366 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009367 }
9368
9369 return 0;
9370}
9371
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009372static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009373{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009374 const __be32 *source = (const __be32 *)_source;
9375 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009376 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009377
9378 for (i = 0; i < n/4; i++)
9379 target[i] = be32_to_cpu(source[i]);
9380}
9381
9382/*
9383 Ops array is stored in the following format:
9384 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9385 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009386static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009387{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009388 const __be32 *source = (const __be32 *)_source;
9389 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009390 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009391
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009392 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009393 tmp = be32_to_cpu(source[j]);
9394 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009395 target[i].offset = tmp & 0xffffff;
9396 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009397 }
9398}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009399
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009400/**
9401 * IRO array is stored in the following format:
9402 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9403 */
9404static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9405{
9406 const __be32 *source = (const __be32 *)_source;
9407 struct iro *target = (struct iro *)_target;
9408 u32 i, j, tmp;
9409
9410 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9411 target[i].base = be32_to_cpu(source[j]);
9412 j++;
9413 tmp = be32_to_cpu(source[j]);
9414 target[i].m1 = (tmp >> 16) & 0xffff;
9415 target[i].m2 = tmp & 0xffff;
9416 j++;
9417 tmp = be32_to_cpu(source[j]);
9418 target[i].m3 = (tmp >> 16) & 0xffff;
9419 target[i].size = tmp & 0xffff;
9420 j++;
9421 }
9422}
9423
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009424static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009425{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009426 const __be16 *source = (const __be16 *)_source;
9427 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009428 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009429
9430 for (i = 0; i < n/2; i++)
9431 target[i] = be16_to_cpu(source[i]);
9432}
9433
Joe Perches7995c642010-02-17 15:01:52 +00009434#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9435do { \
9436 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9437 bp->arr = kmalloc(len, GFP_KERNEL); \
9438 if (!bp->arr) { \
9439 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9440 goto lbl; \
9441 } \
9442 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9443 (u8 *)bp->arr, len); \
9444} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009445
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009446int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009447{
Ben Hutchings45229b42009-11-07 11:53:39 +00009448 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009449 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009450 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009451
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009452 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009453 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009454 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009455 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009456 else if (CHIP_IS_E2(bp))
9457 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009458 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009459 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009460 return -EINVAL;
9461 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009462
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009463 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009464
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009465 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009466 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009467 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009468 goto request_firmware_exit;
9469 }
9470
9471 rc = bnx2x_check_firmware(bp);
9472 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009473 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009474 goto request_firmware_exit;
9475 }
9476
9477 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9478
9479 /* Initialize the pointers to the init arrays */
9480 /* Blob */
9481 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9482
9483 /* Opcodes */
9484 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9485
9486 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009487 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9488 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009489
9490 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009491 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9492 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9493 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9494 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9495 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9496 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9497 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9498 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9499 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9500 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9501 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9502 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9503 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9504 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9505 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9506 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009507 /* IRO */
9508 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009509
9510 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009511
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009512iro_alloc_err:
9513 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009514init_offsets_alloc_err:
9515 kfree(bp->init_ops);
9516init_ops_alloc_err:
9517 kfree(bp->init_data);
9518request_firmware_exit:
9519 release_firmware(bp->firmware);
9520
9521 return rc;
9522}
9523
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009524static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9525{
9526 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009527
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009528#ifdef BCM_CNIC
9529 cid_count += CNIC_CID_MAX;
9530#endif
9531 return roundup(cid_count, QM_CID_ROUND);
9532}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009533
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009534static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9535 const struct pci_device_id *ent)
9536{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009537 struct net_device *dev = NULL;
9538 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009539 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009540 int rc, cid_count;
9541
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009542 switch (ent->driver_data) {
9543 case BCM57710:
9544 case BCM57711:
9545 case BCM57711E:
9546 cid_count = FP_SB_MAX_E1x;
9547 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009548
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009549 case BCM57712:
9550 case BCM57712E:
9551 cid_count = FP_SB_MAX_E2;
9552 break;
9553
9554 default:
9555 pr_err("Unknown board_type (%ld), aborting\n",
9556 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009557 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009558 }
9559
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009560 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009561
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009562 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009563 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009564 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009565 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009566 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009567 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009568
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009569 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009570 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009571
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009572 pci_set_drvdata(pdev, dev);
9573
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009574 bp->l2_cid_count = cid_count;
9575
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009576 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009577 if (rc < 0) {
9578 free_netdev(dev);
9579 return rc;
9580 }
9581
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009582 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009583 if (rc)
9584 goto init_one_exit;
9585
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009586 /* calc qm_cid_count */
9587 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9588
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009589#ifdef BCM_CNIC
9590 /* disable FCOE L2 queue for E1x*/
9591 if (CHIP_IS_E1x(bp))
9592 bp->flags |= NO_FCOE_FLAG;
9593
9594#endif
9595
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009596 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009597 * needed, set bp->num_queues appropriately.
9598 */
9599 bnx2x_set_int_mode(bp);
9600
9601 /* Add all NAPI objects */
9602 bnx2x_add_all_napi(bp);
9603
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009604 rc = register_netdev(dev);
9605 if (rc) {
9606 dev_err(&pdev->dev, "Cannot register net device\n");
9607 goto init_one_exit;
9608 }
9609
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009610#ifdef BCM_CNIC
9611 if (!NO_FCOE(bp)) {
9612 /* Add storage MAC address */
9613 rtnl_lock();
9614 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9615 rtnl_unlock();
9616 }
9617#endif
9618
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009619 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009620
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009621 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9622 " IRQ %d, ", board_info[ent->driver_data].name,
9623 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009624 pcie_width,
9625 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9626 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9627 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009628 dev->base_addr, bp->pdev->irq);
9629 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009630
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009631 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009632
9633init_one_exit:
9634 if (bp->regview)
9635 iounmap(bp->regview);
9636
9637 if (bp->doorbells)
9638 iounmap(bp->doorbells);
9639
9640 free_netdev(dev);
9641
9642 if (atomic_read(&pdev->enable_cnt) == 1)
9643 pci_release_regions(pdev);
9644
9645 pci_disable_device(pdev);
9646 pci_set_drvdata(pdev, NULL);
9647
9648 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009649}
9650
9651static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9652{
9653 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009654 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009655
Eliezer Tamir228241e2008-02-28 11:56:57 -08009656 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009657 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009658 return;
9659 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009660 bp = netdev_priv(dev);
9661
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009662#ifdef BCM_CNIC
9663 /* Delete storage MAC address */
9664 if (!NO_FCOE(bp)) {
9665 rtnl_lock();
9666 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9667 rtnl_unlock();
9668 }
9669#endif
9670
Shmulik Ravid98507672011-02-28 12:19:55 -08009671#ifdef BCM_DCBNL
9672 /* Delete app tlvs from dcbnl */
9673 bnx2x_dcbnl_update_applist(bp, true);
9674#endif
9675
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009676 unregister_netdev(dev);
9677
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009678 /* Delete all NAPI objects */
9679 bnx2x_del_all_napi(bp);
9680
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009681 /* Power on: we can't let PCI layer write to us while we are in D3 */
9682 bnx2x_set_power_state(bp, PCI_D0);
9683
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009684 /* Disable MSI/MSI-X */
9685 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009686
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009687 /* Power off */
9688 bnx2x_set_power_state(bp, PCI_D3hot);
9689
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009690 /* Make sure RESET task is not scheduled before continuing */
9691 cancel_delayed_work_sync(&bp->reset_task);
9692
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009693 if (bp->regview)
9694 iounmap(bp->regview);
9695
9696 if (bp->doorbells)
9697 iounmap(bp->doorbells);
9698
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009699 bnx2x_free_mem_bp(bp);
9700
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009701 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009702
9703 if (atomic_read(&pdev->enable_cnt) == 1)
9704 pci_release_regions(pdev);
9705
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009706 pci_disable_device(pdev);
9707 pci_set_drvdata(pdev, NULL);
9708}
9709
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009710static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9711{
9712 int i;
9713
9714 bp->state = BNX2X_STATE_ERROR;
9715
9716 bp->rx_mode = BNX2X_RX_MODE_NONE;
9717
9718 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009719 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009720
9721 del_timer_sync(&bp->timer);
9722 bp->stats_state = STATS_STATE_DISABLED;
9723 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9724
9725 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009726 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009727
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009728 /* Free SKBs, SGEs, TPA pool and driver internals */
9729 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009730
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009731 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009732 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009733
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009734 bnx2x_free_mem(bp);
9735
9736 bp->state = BNX2X_STATE_CLOSED;
9737
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009738 return 0;
9739}
9740
9741static void bnx2x_eeh_recover(struct bnx2x *bp)
9742{
9743 u32 val;
9744
9745 mutex_init(&bp->port.phy_mutex);
9746
9747 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9748 bp->link_params.shmem_base = bp->common.shmem_base;
9749 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9750
9751 if (!bp->common.shmem_base ||
9752 (bp->common.shmem_base < 0xA0000) ||
9753 (bp->common.shmem_base >= 0xC0000)) {
9754 BNX2X_DEV_INFO("MCP not active\n");
9755 bp->flags |= NO_MCP_FLAG;
9756 return;
9757 }
9758
9759 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9760 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9761 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9762 BNX2X_ERR("BAD MCP validity signature\n");
9763
9764 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009765 bp->fw_seq =
9766 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9767 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009768 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9769 }
9770}
9771
Wendy Xiong493adb12008-06-23 20:36:22 -07009772/**
9773 * bnx2x_io_error_detected - called when PCI error is detected
9774 * @pdev: Pointer to PCI device
9775 * @state: The current pci connection state
9776 *
9777 * This function is called after a PCI bus error affecting
9778 * this device has been detected.
9779 */
9780static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9781 pci_channel_state_t state)
9782{
9783 struct net_device *dev = pci_get_drvdata(pdev);
9784 struct bnx2x *bp = netdev_priv(dev);
9785
9786 rtnl_lock();
9787
9788 netif_device_detach(dev);
9789
Dean Nelson07ce50e2009-07-31 09:13:25 +00009790 if (state == pci_channel_io_perm_failure) {
9791 rtnl_unlock();
9792 return PCI_ERS_RESULT_DISCONNECT;
9793 }
9794
Wendy Xiong493adb12008-06-23 20:36:22 -07009795 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009796 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009797
9798 pci_disable_device(pdev);
9799
9800 rtnl_unlock();
9801
9802 /* Request a slot reset */
9803 return PCI_ERS_RESULT_NEED_RESET;
9804}
9805
9806/**
9807 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9808 * @pdev: Pointer to PCI device
9809 *
9810 * Restart the card from scratch, as if from a cold-boot.
9811 */
9812static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9813{
9814 struct net_device *dev = pci_get_drvdata(pdev);
9815 struct bnx2x *bp = netdev_priv(dev);
9816
9817 rtnl_lock();
9818
9819 if (pci_enable_device(pdev)) {
9820 dev_err(&pdev->dev,
9821 "Cannot re-enable PCI device after reset\n");
9822 rtnl_unlock();
9823 return PCI_ERS_RESULT_DISCONNECT;
9824 }
9825
9826 pci_set_master(pdev);
9827 pci_restore_state(pdev);
9828
9829 if (netif_running(dev))
9830 bnx2x_set_power_state(bp, PCI_D0);
9831
9832 rtnl_unlock();
9833
9834 return PCI_ERS_RESULT_RECOVERED;
9835}
9836
9837/**
9838 * bnx2x_io_resume - called when traffic can start flowing again
9839 * @pdev: Pointer to PCI device
9840 *
9841 * This callback is called when the error recovery driver tells us that
9842 * its OK to resume normal operation.
9843 */
9844static void bnx2x_io_resume(struct pci_dev *pdev)
9845{
9846 struct net_device *dev = pci_get_drvdata(pdev);
9847 struct bnx2x *bp = netdev_priv(dev);
9848
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009849 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009850 printk(KERN_ERR "Handling parity error recovery. "
9851 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009852 return;
9853 }
9854
Wendy Xiong493adb12008-06-23 20:36:22 -07009855 rtnl_lock();
9856
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009857 bnx2x_eeh_recover(bp);
9858
Wendy Xiong493adb12008-06-23 20:36:22 -07009859 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009860 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009861
9862 netif_device_attach(dev);
9863
9864 rtnl_unlock();
9865}
9866
9867static struct pci_error_handlers bnx2x_err_handler = {
9868 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009869 .slot_reset = bnx2x_io_slot_reset,
9870 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009871};
9872
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009873static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009874 .name = DRV_MODULE_NAME,
9875 .id_table = bnx2x_pci_tbl,
9876 .probe = bnx2x_init_one,
9877 .remove = __devexit_p(bnx2x_remove_one),
9878 .suspend = bnx2x_suspend,
9879 .resume = bnx2x_resume,
9880 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009881};
9882
9883static int __init bnx2x_init(void)
9884{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009885 int ret;
9886
Joe Perches7995c642010-02-17 15:01:52 +00009887 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009888
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009889 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9890 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009891 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009892 return -ENOMEM;
9893 }
9894
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009895 ret = pci_register_driver(&bnx2x_pci_driver);
9896 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009897 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009898 destroy_workqueue(bnx2x_wq);
9899 }
9900 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009901}
9902
9903static void __exit bnx2x_cleanup(void)
9904{
9905 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009906
9907 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009908}
9909
9910module_init(bnx2x_init);
9911module_exit(bnx2x_cleanup);
9912
Michael Chan993ac7b2009-10-10 13:46:56 +00009913#ifdef BCM_CNIC
9914
9915/* count denotes the number of new completions we have seen */
9916static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9917{
9918 struct eth_spe *spe;
9919
9920#ifdef BNX2X_STOP_ON_ERROR
9921 if (unlikely(bp->panic))
9922 return;
9923#endif
9924
9925 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009926 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009927 bp->cnic_spq_pending -= count;
9928
Michael Chan993ac7b2009-10-10 13:46:56 +00009929
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009930 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9931 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9932 & SPE_HDR_CONN_TYPE) >>
9933 SPE_HDR_CONN_TYPE_SHIFT;
9934
9935 /* Set validation for iSCSI L2 client before sending SETUP
9936 * ramrod
9937 */
9938 if (type == ETH_CONNECTION_TYPE) {
9939 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9940 hdr.conn_and_cmd_data) >>
9941 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9942
9943 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9944 bnx2x_set_ctx_validation(&bp->context.
9945 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9946 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9947 }
9948
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009949 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9950 * We also check that the number of outstanding
9951 * COMMON ramrods is not more than the EQ and SPQ can
9952 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009953 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009954 if (type == ETH_CONNECTION_TYPE) {
9955 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009956 break;
9957 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009958 atomic_dec(&bp->cq_spq_left);
9959 } else if (type == NONE_CONNECTION_TYPE) {
9960 if (!atomic_read(&bp->eq_spq_left))
9961 break;
9962 else
9963 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009964 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9965 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009966 if (bp->cnic_spq_pending >=
9967 bp->cnic_eth_dev.max_kwqe_pending)
9968 break;
9969 else
9970 bp->cnic_spq_pending++;
9971 } else {
9972 BNX2X_ERR("Unknown SPE type: %d\n", type);
9973 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009974 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009975 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009976
9977 spe = bnx2x_sp_get_next(bp);
9978 *spe = *bp->cnic_kwq_cons;
9979
Michael Chan993ac7b2009-10-10 13:46:56 +00009980 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9981 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9982
9983 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9984 bp->cnic_kwq_cons = bp->cnic_kwq;
9985 else
9986 bp->cnic_kwq_cons++;
9987 }
9988 bnx2x_sp_prod_update(bp);
9989 spin_unlock_bh(&bp->spq_lock);
9990}
9991
9992static int bnx2x_cnic_sp_queue(struct net_device *dev,
9993 struct kwqe_16 *kwqes[], u32 count)
9994{
9995 struct bnx2x *bp = netdev_priv(dev);
9996 int i;
9997
9998#ifdef BNX2X_STOP_ON_ERROR
9999 if (unlikely(bp->panic))
10000 return -EIO;
10001#endif
10002
10003 spin_lock_bh(&bp->spq_lock);
10004
10005 for (i = 0; i < count; i++) {
10006 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
10007
10008 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
10009 break;
10010
10011 *bp->cnic_kwq_prod = *spe;
10012
10013 bp->cnic_kwq_pending++;
10014
10015 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
10016 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010017 spe->data.update_data_addr.hi,
10018 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000010019 bp->cnic_kwq_pending);
10020
10021 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
10022 bp->cnic_kwq_prod = bp->cnic_kwq;
10023 else
10024 bp->cnic_kwq_prod++;
10025 }
10026
10027 spin_unlock_bh(&bp->spq_lock);
10028
10029 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
10030 bnx2x_cnic_sp_post(bp, 0);
10031
10032 return i;
10033}
10034
10035static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10036{
10037 struct cnic_ops *c_ops;
10038 int rc = 0;
10039
10040 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000010041 c_ops = rcu_dereference_protected(bp->cnic_ops,
10042 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000010043 if (c_ops)
10044 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10045 mutex_unlock(&bp->cnic_mutex);
10046
10047 return rc;
10048}
10049
10050static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10051{
10052 struct cnic_ops *c_ops;
10053 int rc = 0;
10054
10055 rcu_read_lock();
10056 c_ops = rcu_dereference(bp->cnic_ops);
10057 if (c_ops)
10058 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10059 rcu_read_unlock();
10060
10061 return rc;
10062}
10063
10064/*
10065 * for commands that have no data
10066 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010067int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010068{
10069 struct cnic_ctl_info ctl = {0};
10070
10071 ctl.cmd = cmd;
10072
10073 return bnx2x_cnic_ctl_send(bp, &ctl);
10074}
10075
10076static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10077{
10078 struct cnic_ctl_info ctl;
10079
10080 /* first we tell CNIC and only then we count this as a completion */
10081 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10082 ctl.data.comp.cid = cid;
10083
10084 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010085 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010086}
10087
10088static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10089{
10090 struct bnx2x *bp = netdev_priv(dev);
10091 int rc = 0;
10092
10093 switch (ctl->cmd) {
10094 case DRV_CTL_CTXTBL_WR_CMD: {
10095 u32 index = ctl->data.io.offset;
10096 dma_addr_t addr = ctl->data.io.dma_addr;
10097
10098 bnx2x_ilt_wr(bp, index, addr);
10099 break;
10100 }
10101
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010102 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10103 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010104
10105 bnx2x_cnic_sp_post(bp, count);
10106 break;
10107 }
10108
10109 /* rtnl_lock is held. */
10110 case DRV_CTL_START_L2_CMD: {
10111 u32 cli = ctl->data.ring.client_id;
10112
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010113 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10114 bnx2x_del_fcoe_eth_macs(bp);
10115
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010116 /* Set iSCSI MAC address */
10117 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10118
10119 mmiowb();
10120 barrier();
10121
10122 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10123 * because it's the only way for UIO Client to accept
10124 * multicasts (in non-promiscuous mode only one Client per
10125 * function will receive multicast packets (leading in our
10126 * case).
10127 */
10128 bnx2x_rxq_set_mac_filters(bp, cli,
10129 BNX2X_ACCEPT_UNICAST |
10130 BNX2X_ACCEPT_BROADCAST |
10131 BNX2X_ACCEPT_ALL_MULTICAST);
10132 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10133
Michael Chan993ac7b2009-10-10 13:46:56 +000010134 break;
10135 }
10136
10137 /* rtnl_lock is held. */
10138 case DRV_CTL_STOP_L2_CMD: {
10139 u32 cli = ctl->data.ring.client_id;
10140
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010141 /* Stop accepting on iSCSI L2 ring */
10142 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10143 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10144
10145 mmiowb();
10146 barrier();
10147
10148 /* Unset iSCSI L2 MAC */
10149 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010150 break;
10151 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010152 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10153 int count = ctl->data.credit.credit_count;
10154
10155 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010156 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010157 smp_mb__after_atomic_inc();
10158 break;
10159 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010160
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010161 case DRV_CTL_ISCSI_STOPPED_CMD: {
10162 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10163 break;
10164 }
10165
Michael Chan993ac7b2009-10-10 13:46:56 +000010166 default:
10167 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10168 rc = -EINVAL;
10169 }
10170
10171 return rc;
10172}
10173
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010174void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010175{
10176 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10177
10178 if (bp->flags & USING_MSIX_FLAG) {
10179 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10180 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10181 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10182 } else {
10183 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10184 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10185 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010186 if (CHIP_IS_E2(bp))
10187 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10188 else
10189 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10190
Michael Chan993ac7b2009-10-10 13:46:56 +000010191 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010192 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010193 cp->irq_arr[1].status_blk = bp->def_status_blk;
10194 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010195 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010196
10197 cp->num_irq = 2;
10198}
10199
10200static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10201 void *data)
10202{
10203 struct bnx2x *bp = netdev_priv(dev);
10204 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10205
10206 if (ops == NULL)
10207 return -EINVAL;
10208
10209 if (atomic_read(&bp->intr_sem) != 0)
10210 return -EBUSY;
10211
10212 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10213 if (!bp->cnic_kwq)
10214 return -ENOMEM;
10215
10216 bp->cnic_kwq_cons = bp->cnic_kwq;
10217 bp->cnic_kwq_prod = bp->cnic_kwq;
10218 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10219
10220 bp->cnic_spq_pending = 0;
10221 bp->cnic_kwq_pending = 0;
10222
10223 bp->cnic_data = data;
10224
10225 cp->num_irq = 0;
10226 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010227 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010228
Michael Chan993ac7b2009-10-10 13:46:56 +000010229 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010230
Michael Chan993ac7b2009-10-10 13:46:56 +000010231 rcu_assign_pointer(bp->cnic_ops, ops);
10232
10233 return 0;
10234}
10235
10236static int bnx2x_unregister_cnic(struct net_device *dev)
10237{
10238 struct bnx2x *bp = netdev_priv(dev);
10239 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10240
10241 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010242 cp->drv_state = 0;
10243 rcu_assign_pointer(bp->cnic_ops, NULL);
10244 mutex_unlock(&bp->cnic_mutex);
10245 synchronize_rcu();
10246 kfree(bp->cnic_kwq);
10247 bp->cnic_kwq = NULL;
10248
10249 return 0;
10250}
10251
10252struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10253{
10254 struct bnx2x *bp = netdev_priv(dev);
10255 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10256
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010257 /* If both iSCSI and FCoE are disabled - return NULL in
10258 * order to indicate CNIC that it should not try to work
10259 * with this device.
10260 */
10261 if (NO_ISCSI(bp) && NO_FCOE(bp))
10262 return NULL;
10263
Michael Chan993ac7b2009-10-10 13:46:56 +000010264 cp->drv_owner = THIS_MODULE;
10265 cp->chip_id = CHIP_ID(bp);
10266 cp->pdev = bp->pdev;
10267 cp->io_base = bp->regview;
10268 cp->io_base2 = bp->doorbells;
10269 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010270 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010271 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10272 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010273 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010274 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010275 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10276 cp->drv_ctl = bnx2x_drv_ctl;
10277 cp->drv_register_cnic = bnx2x_register_cnic;
10278 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010279 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10280 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10281 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010282 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010283
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010284 if (NO_ISCSI_OOO(bp))
10285 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10286
10287 if (NO_ISCSI(bp))
10288 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10289
10290 if (NO_FCOE(bp))
10291 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10292
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010293 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10294 "starting cid %d\n",
10295 cp->ctx_blk_size,
10296 cp->ctx_tbl_offset,
10297 cp->ctx_tbl_len,
10298 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010299 return cp;
10300}
10301EXPORT_SYMBOL(bnx2x_cnic_probe);
10302
10303#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010304