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ARM: 6621/1: bitops: remove condition code clobber for CLZ
[linux-2.6.git] / drivers / net / bnx2x / bnx2x_main.c
blob489a5512a04d037c153b2dd02d04749128a24500
1 /* bnx2x_main.c: Broadcom Everest network driver.
2 *
3 * Copyright (c) 2007-2010 Broadcom Corporation
4 *
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 *
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath and fastpath rework by Vladislav Zolotarov
14 * Statistics and Link management by Yitchak Gertner
15 *
16 */
17
18 #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>
26 #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>
40 #include <linux/if_vlan.h>
41 #include <net/ip.h>
42 #include <net/tcp.h>
43 #include <net/checksum.h>
44 #include <net/ip6_checksum.h>
45 #include <linux/workqueue.h>
46 #include <linux/crc32.h>
47 #include <linux/crc32c.h>
48 #include <linux/prefetch.h>
49 #include <linux/zlib.h>
50 #include <linux/io.h>
51 #include <linux/stringify.h>
52
53 #define BNX2X_MAIN
54 #include "bnx2x.h"
55 #include "bnx2x_init.h"
56 #include "bnx2x_init_ops.h"
57 #include "bnx2x_cmn.h"
58 #include "bnx2x_dcb.h"
59
60 #include <linux/firmware.h>
61 #include "bnx2x_fw_file_hdr.h"
62 /* FW files */
63 #define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
68 #define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69 #define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
70 #define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
71
72 /* Time in jiffies before concluding the transmitter is hung */
73 #define TX_TIMEOUT (5*HZ)
74
75 static char version[] __devinitdata =
76 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
77 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
79 MODULE_AUTHOR("Eliezer Tamir");
80 MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
82 MODULE_LICENSE("GPL");
83 MODULE_VERSION(DRV_MODULE_VERSION);
84 MODULE_FIRMWARE(FW_FILE_NAME_E1);
85 MODULE_FIRMWARE(FW_FILE_NAME_E1H);
86 MODULE_FIRMWARE(FW_FILE_NAME_E2);
87
88 static int multi_mode = 1;
89 module_param(multi_mode, int, 0);
90 MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
93 int num_queues;
94 module_param(num_queues, int, 0);
95 MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
97
98 static int disable_tpa;
99 module_param(disable_tpa, int, 0);
100 MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
101
102 static int int_mode;
103 module_param(int_mode, int, 0);
104 MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
106
107 static int dropless_fc;
108 module_param(dropless_fc, int, 0);
109 MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
111 static int poll;
112 module_param(poll, int, 0);
113 MODULE_PARM_DESC(poll, " Use polling (for debug)");
114
115 static int mrrs = -1;
116 module_param(mrrs, int, 0);
117 MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
119 static int debug;
120 module_param(debug, int, 0);
121 MODULE_PARM_DESC(debug, " Default debug msglevel");
122
123 static struct workqueue_struct *bnx2x_wq;
124
125 #ifdef BCM_CNIC
126 static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127 #endif
128
129 enum bnx2x_board_type {
130 BCM57710 = 0,
131 BCM57711 = 1,
132 BCM57711E = 2,
133 BCM57712 = 3,
134 BCM57712E = 4
135 };
136
137 /* indexed by board_type, above */
138 static struct {
139 char *name;
140 } board_info[] __devinitdata = {
141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
146 };
147
148 #ifndef PCI_DEVICE_ID_NX2_57712
149 #define PCI_DEVICE_ID_NX2_57712 0x1662
150 #endif
151 #ifndef PCI_DEVICE_ID_NX2_57712E
152 #define PCI_DEVICE_ID_NX2_57712E 0x1663
153 #endif
154
155 static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
156 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
157 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
158 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
159 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
160 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
161 { 0 }
162 };
163
164 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
165
166 /****************************************************************************
167 * General service functions
168 ****************************************************************************/
169
170 static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
171 u32 addr, dma_addr_t mapping)
172 {
173 REG_WR(bp, addr, U64_LO(mapping));
174 REG_WR(bp, addr + 4, U64_HI(mapping));
175 }
176
177 static inline void __storm_memset_fill(struct bnx2x *bp,
178 u32 addr, size_t size, u32 val)
179 {
180 int i;
181 for (i = 0; i < size/4; i++)
182 REG_WR(bp, addr + (i * 4), val);
183 }
184
185 static inline void storm_memset_ustats_zero(struct bnx2x *bp,
186 u8 port, u16 stat_id)
187 {
188 size_t size = sizeof(struct ustorm_per_client_stats);
189
190 u32 addr = BAR_USTRORM_INTMEM +
191 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
192
193 __storm_memset_fill(bp, addr, size, 0);
194 }
195
196 static inline void storm_memset_tstats_zero(struct bnx2x *bp,
197 u8 port, u16 stat_id)
198 {
199 size_t size = sizeof(struct tstorm_per_client_stats);
200
201 u32 addr = BAR_TSTRORM_INTMEM +
202 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
203
204 __storm_memset_fill(bp, addr, size, 0);
205 }
206
207 static inline void storm_memset_xstats_zero(struct bnx2x *bp,
208 u8 port, u16 stat_id)
209 {
210 size_t size = sizeof(struct xstorm_per_client_stats);
211
212 u32 addr = BAR_XSTRORM_INTMEM +
213 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
214
215 __storm_memset_fill(bp, addr, size, 0);
216 }
217
218
219 static inline void storm_memset_spq_addr(struct bnx2x *bp,
220 dma_addr_t mapping, u16 abs_fid)
221 {
222 u32 addr = XSEM_REG_FAST_MEMORY +
223 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
224
225 __storm_memset_dma_mapping(bp, addr, mapping);
226 }
227
228 static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
229 {
230 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
231 }
232
233 static inline void storm_memset_func_cfg(struct bnx2x *bp,
234 struct tstorm_eth_function_common_config *tcfg,
235 u16 abs_fid)
236 {
237 size_t size = sizeof(struct tstorm_eth_function_common_config);
238
239 u32 addr = BAR_TSTRORM_INTMEM +
240 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
241
242 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
243 }
244
245 static inline void storm_memset_xstats_flags(struct bnx2x *bp,
246 struct stats_indication_flags *flags,
247 u16 abs_fid)
248 {
249 size_t size = sizeof(struct stats_indication_flags);
250
251 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
252
253 __storm_memset_struct(bp, addr, size, (u32 *)flags);
254 }
255
256 static inline void storm_memset_tstats_flags(struct bnx2x *bp,
257 struct stats_indication_flags *flags,
258 u16 abs_fid)
259 {
260 size_t size = sizeof(struct stats_indication_flags);
261
262 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
263
264 __storm_memset_struct(bp, addr, size, (u32 *)flags);
265 }
266
267 static inline void storm_memset_ustats_flags(struct bnx2x *bp,
268 struct stats_indication_flags *flags,
269 u16 abs_fid)
270 {
271 size_t size = sizeof(struct stats_indication_flags);
272
273 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
274
275 __storm_memset_struct(bp, addr, size, (u32 *)flags);
276 }
277
278 static inline void storm_memset_cstats_flags(struct bnx2x *bp,
279 struct stats_indication_flags *flags,
280 u16 abs_fid)
281 {
282 size_t size = sizeof(struct stats_indication_flags);
283
284 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
285
286 __storm_memset_struct(bp, addr, size, (u32 *)flags);
287 }
288
289 static inline void storm_memset_xstats_addr(struct bnx2x *bp,
290 dma_addr_t mapping, u16 abs_fid)
291 {
292 u32 addr = BAR_XSTRORM_INTMEM +
293 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
294
295 __storm_memset_dma_mapping(bp, addr, mapping);
296 }
297
298 static inline void storm_memset_tstats_addr(struct bnx2x *bp,
299 dma_addr_t mapping, u16 abs_fid)
300 {
301 u32 addr = BAR_TSTRORM_INTMEM +
302 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
303
304 __storm_memset_dma_mapping(bp, addr, mapping);
305 }
306
307 static inline void storm_memset_ustats_addr(struct bnx2x *bp,
308 dma_addr_t mapping, u16 abs_fid)
309 {
310 u32 addr = BAR_USTRORM_INTMEM +
311 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
312
313 __storm_memset_dma_mapping(bp, addr, mapping);
314 }
315
316 static inline void storm_memset_cstats_addr(struct bnx2x *bp,
317 dma_addr_t mapping, u16 abs_fid)
318 {
319 u32 addr = BAR_CSTRORM_INTMEM +
320 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
321
322 __storm_memset_dma_mapping(bp, addr, mapping);
323 }
324
325 static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
326 u16 pf_id)
327 {
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
329 pf_id);
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
331 pf_id);
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
333 pf_id);
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
335 pf_id);
336 }
337
338 static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
339 u8 enable)
340 {
341 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
342 enable);
343 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
344 enable);
345 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
346 enable);
347 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
348 enable);
349 }
350
351 static inline void storm_memset_eq_data(struct bnx2x *bp,
352 struct event_ring_data *eq_data,
353 u16 pfid)
354 {
355 size_t size = sizeof(struct event_ring_data);
356
357 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
358
359 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
360 }
361
362 static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
363 u16 pfid)
364 {
365 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
366 REG_WR16(bp, addr, eq_prod);
367 }
368
369 static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
370 u16 fw_sb_id, u8 sb_index,
371 u8 ticks)
372 {
373
374 int index_offset = CHIP_IS_E2(bp) ?
375 offsetof(struct hc_status_block_data_e2, index_data) :
376 offsetof(struct hc_status_block_data_e1x, index_data);
377 u32 addr = BAR_CSTRORM_INTMEM +
378 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
379 index_offset +
380 sizeof(struct hc_index_data)*sb_index +
381 offsetof(struct hc_index_data, timeout);
382 REG_WR8(bp, addr, ticks);
383 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
384 port, fw_sb_id, sb_index, ticks);
385 }
386 static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
387 u16 fw_sb_id, u8 sb_index,
388 u8 disable)
389 {
390 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
391 int index_offset = CHIP_IS_E2(bp) ?
392 offsetof(struct hc_status_block_data_e2, index_data) :
393 offsetof(struct hc_status_block_data_e1x, index_data);
394 u32 addr = BAR_CSTRORM_INTMEM +
395 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
396 index_offset +
397 sizeof(struct hc_index_data)*sb_index +
398 offsetof(struct hc_index_data, flags);
399 u16 flags = REG_RD16(bp, addr);
400 /* clear and set */
401 flags &= ~HC_INDEX_DATA_HC_ENABLED;
402 flags |= enable_flag;
403 REG_WR16(bp, addr, flags);
404 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
405 port, fw_sb_id, sb_index, disable);
406 }
407
408 /* used only at init
409 * locking is done by mcp
410 */
411 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
412 {
413 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
414 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
415 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
416 PCICFG_VENDOR_ID_OFFSET);
417 }
418
419 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
420 {
421 u32 val;
422
423 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
424 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
425 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
426 PCICFG_VENDOR_ID_OFFSET);
427
428 return val;
429 }
430
431 #define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
432 #define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
433 #define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
434 #define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
435 #define DMAE_DP_DST_NONE "dst_addr [none]"
436
437 static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
438 int msglvl)
439 {
440 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
441
442 switch (dmae->opcode & DMAE_COMMAND_DST) {
443 case DMAE_CMD_DST_PCI:
444 if (src_type == DMAE_CMD_SRC_PCI)
445 DP(msglvl, "DMAE: opcode 0x%08x\n"
446 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
447 "comp_addr [%x:%08x], comp_val 0x%08x\n",
448 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
449 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
450 dmae->comp_addr_hi, dmae->comp_addr_lo,
451 dmae->comp_val);
452 else
453 DP(msglvl, "DMAE: opcode 0x%08x\n"
454 "src [%08x], len [%d*4], dst [%x:%08x]\n"
455 "comp_addr [%x:%08x], comp_val 0x%08x\n",
456 dmae->opcode, dmae->src_addr_lo >> 2,
457 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
458 dmae->comp_addr_hi, dmae->comp_addr_lo,
459 dmae->comp_val);
460 break;
461 case DMAE_CMD_DST_GRC:
462 if (src_type == DMAE_CMD_SRC_PCI)
463 DP(msglvl, "DMAE: opcode 0x%08x\n"
464 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
465 "comp_addr [%x:%08x], comp_val 0x%08x\n",
466 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
467 dmae->len, dmae->dst_addr_lo >> 2,
468 dmae->comp_addr_hi, dmae->comp_addr_lo,
469 dmae->comp_val);
470 else
471 DP(msglvl, "DMAE: opcode 0x%08x\n"
472 "src [%08x], len [%d*4], dst [%08x]\n"
473 "comp_addr [%x:%08x], comp_val 0x%08x\n",
474 dmae->opcode, dmae->src_addr_lo >> 2,
475 dmae->len, dmae->dst_addr_lo >> 2,
476 dmae->comp_addr_hi, dmae->comp_addr_lo,
477 dmae->comp_val);
478 break;
479 default:
480 if (src_type == DMAE_CMD_SRC_PCI)
481 DP(msglvl, "DMAE: opcode 0x%08x\n"
482 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
483 "dst_addr [none]\n"
484 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
485 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
486 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
487 dmae->comp_val);
488 else
489 DP(msglvl, "DMAE: opcode 0x%08x\n"
490 DP_LEVEL "src_addr [%08x] len [%d * 4] "
491 "dst_addr [none]\n"
492 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
493 dmae->opcode, dmae->src_addr_lo >> 2,
494 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
495 dmae->comp_val);
496 break;
497 }
498
499 }
500
501 const u32 dmae_reg_go_c[] = {
502 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
503 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
504 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
505 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
506 };
507
508 /* copy command into DMAE command memory and set DMAE command go */
509 void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
510 {
511 u32 cmd_offset;
512 int i;
513
514 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
515 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
516 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
517
518 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
519 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
520 }
521 REG_WR(bp, dmae_reg_go_c[idx], 1);
522 }
523
524 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
525 {
526 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
527 DMAE_CMD_C_ENABLE);
528 }
529
530 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
531 {
532 return opcode & ~DMAE_CMD_SRC_RESET;
533 }
534
535 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
536 bool with_comp, u8 comp_type)
537 {
538 u32 opcode = 0;
539
540 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
541 (dst_type << DMAE_COMMAND_DST_SHIFT));
542
543 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
544
545 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
546 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
547 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
548 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
549
550 #ifdef __BIG_ENDIAN
551 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
552 #else
553 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
554 #endif
555 if (with_comp)
556 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
557 return opcode;
558 }
559
560 static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
561 struct dmae_command *dmae,
562 u8 src_type, u8 dst_type)
563 {
564 memset(dmae, 0, sizeof(struct dmae_command));
565
566 /* set the opcode */
567 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
568 true, DMAE_COMP_PCI);
569
570 /* fill in the completion parameters */
571 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
572 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
573 dmae->comp_val = DMAE_COMP_VAL;
574 }
575
576 /* issue a dmae command over the init-channel and wailt for completion */
577 static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
578 struct dmae_command *dmae)
579 {
580 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
581 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
582 int rc = 0;
583
584 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
585 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
586 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
587
588 /* lock the dmae channel */
589 mutex_lock(&bp->dmae_mutex);
590
591 /* reset completion */
592 *wb_comp = 0;
593
594 /* post the command on the channel used for initializations */
595 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
596
597 /* wait for completion */
598 udelay(5);
599 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
600 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
601
602 if (!cnt) {
603 BNX2X_ERR("DMAE timeout!\n");
604 rc = DMAE_TIMEOUT;
605 goto unlock;
606 }
607 cnt--;
608 udelay(50);
609 }
610 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
611 BNX2X_ERR("DMAE PCI error!\n");
612 rc = DMAE_PCI_ERROR;
613 }
614
615 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
616 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
617 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
618
619 unlock:
620 mutex_unlock(&bp->dmae_mutex);
621 return rc;
622 }
623
624 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
625 u32 len32)
626 {
627 struct dmae_command dmae;
628
629 if (!bp->dmae_ready) {
630 u32 *data = bnx2x_sp(bp, wb_data[0]);
631
632 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
633 " using indirect\n", dst_addr, len32);
634 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
635 return;
636 }
637
638 /* set opcode and fixed command fields */
639 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
640
641 /* fill in addresses and len */
642 dmae.src_addr_lo = U64_LO(dma_addr);
643 dmae.src_addr_hi = U64_HI(dma_addr);
644 dmae.dst_addr_lo = dst_addr >> 2;
645 dmae.dst_addr_hi = 0;
646 dmae.len = len32;
647
648 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
649
650 /* issue the command and wait for completion */
651 bnx2x_issue_dmae_with_comp(bp, &dmae);
652 }
653
654 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
655 {
656 struct dmae_command dmae;
657
658 if (!bp->dmae_ready) {
659 u32 *data = bnx2x_sp(bp, wb_data[0]);
660 int i;
661
662 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
663 " using indirect\n", src_addr, len32);
664 for (i = 0; i < len32; i++)
665 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
666 return;
667 }
668
669 /* set opcode and fixed command fields */
670 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
671
672 /* fill in addresses and len */
673 dmae.src_addr_lo = src_addr >> 2;
674 dmae.src_addr_hi = 0;
675 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
676 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
677 dmae.len = len32;
678
679 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
680
681 /* issue the command and wait for completion */
682 bnx2x_issue_dmae_with_comp(bp, &dmae);
683 }
684
685 static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
686 u32 addr, u32 len)
687 {
688 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
689 int offset = 0;
690
691 while (len > dmae_wr_max) {
692 bnx2x_write_dmae(bp, phys_addr + offset,
693 addr + offset, dmae_wr_max);
694 offset += dmae_wr_max * 4;
695 len -= dmae_wr_max;
696 }
697
698 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
699 }
700
701 /* used only for slowpath so not inlined */
702 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
703 {
704 u32 wb_write[2];
705
706 wb_write[0] = val_hi;
707 wb_write[1] = val_lo;
708 REG_WR_DMAE(bp, reg, wb_write, 2);
709 }
710
711 #ifdef USE_WB_RD
712 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
713 {
714 u32 wb_data[2];
715
716 REG_RD_DMAE(bp, reg, wb_data, 2);
717
718 return HILO_U64(wb_data[0], wb_data[1]);
719 }
720 #endif
721
722 static int bnx2x_mc_assert(struct bnx2x *bp)
723 {
724 char last_idx;
725 int i, rc = 0;
726 u32 row0, row1, row2, row3;
727
728 /* XSTORM */
729 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
730 XSTORM_ASSERT_LIST_INDEX_OFFSET);
731 if (last_idx)
732 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
733
734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
736
737 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i));
739 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
740 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
741 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
742 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
743 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
744 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
745
746 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
747 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
748 " 0x%08x 0x%08x 0x%08x\n",
749 i, row3, row2, row1, row0);
750 rc++;
751 } else {
752 break;
753 }
754 }
755
756 /* TSTORM */
757 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
758 TSTORM_ASSERT_LIST_INDEX_OFFSET);
759 if (last_idx)
760 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
761
762 /* print the asserts */
763 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
764
765 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i));
767 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
768 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
769 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
770 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
771 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
772 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
773
774 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
775 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
776 " 0x%08x 0x%08x 0x%08x\n",
777 i, row3, row2, row1, row0);
778 rc++;
779 } else {
780 break;
781 }
782 }
783
784 /* CSTORM */
785 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
786 CSTORM_ASSERT_LIST_INDEX_OFFSET);
787 if (last_idx)
788 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
789
790 /* print the asserts */
791 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
792
793 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i));
795 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
796 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
797 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
798 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
799 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
800 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
801
802 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
803 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
804 " 0x%08x 0x%08x 0x%08x\n",
805 i, row3, row2, row1, row0);
806 rc++;
807 } else {
808 break;
809 }
810 }
811
812 /* USTORM */
813 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
814 USTORM_ASSERT_LIST_INDEX_OFFSET);
815 if (last_idx)
816 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
817
818 /* print the asserts */
819 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
820
821 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i));
823 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
824 USTORM_ASSERT_LIST_OFFSET(i) + 4);
825 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
826 USTORM_ASSERT_LIST_OFFSET(i) + 8);
827 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
828 USTORM_ASSERT_LIST_OFFSET(i) + 12);
829
830 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
831 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
832 " 0x%08x 0x%08x 0x%08x\n",
833 i, row3, row2, row1, row0);
834 rc++;
835 } else {
836 break;
837 }
838 }
839
840 return rc;
841 }
842
843 static void bnx2x_fw_dump(struct bnx2x *bp)
844 {
845 u32 addr;
846 u32 mark, offset;
847 __be32 data[9];
848 int word;
849 u32 trace_shmem_base;
850 if (BP_NOMCP(bp)) {
851 BNX2X_ERR("NO MCP - can not dump\n");
852 return;
853 }
854
855 if (BP_PATH(bp) == 0)
856 trace_shmem_base = bp->common.shmem_base;
857 else
858 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
859 addr = trace_shmem_base - 0x0800 + 4;
860 mark = REG_RD(bp, addr);
861 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
862 + ((mark + 0x3) & ~0x3) - 0x08000000;
863 pr_err("begin fw dump (mark 0x%x)\n", mark);
864
865 pr_err("");
866 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
867 for (word = 0; word < 8; word++)
868 data[word] = htonl(REG_RD(bp, offset + 4*word));
869 data[8] = 0x0;
870 pr_cont("%s", (char *)data);
871 }
872 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
873 for (word = 0; word < 8; word++)
874 data[word] = htonl(REG_RD(bp, offset + 4*word));
875 data[8] = 0x0;
876 pr_cont("%s", (char *)data);
877 }
878 pr_err("end of fw dump\n");
879 }
880
881 void bnx2x_panic_dump(struct bnx2x *bp)
882 {
883 int i;
884 u16 j;
885 struct hc_sp_status_block_data sp_sb_data;
886 int func = BP_FUNC(bp);
887 #ifdef BNX2X_STOP_ON_ERROR
888 u16 start = 0, end = 0;
889 #endif
890
891 bp->stats_state = STATS_STATE_DISABLED;
892 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
893
894 BNX2X_ERR("begin crash dump -----------------\n");
895
896 /* Indices */
897 /* Common */
898 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
899 " spq_prod_idx(0x%x)\n",
900 bp->def_idx, bp->def_att_idx,
901 bp->attn_state, bp->spq_prod_idx);
902 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
903 bp->def_status_blk->atten_status_block.attn_bits,
904 bp->def_status_blk->atten_status_block.attn_bits_ack,
905 bp->def_status_blk->atten_status_block.status_block_id,
906 bp->def_status_blk->atten_status_block.attn_bits_index);
907 BNX2X_ERR(" def (");
908 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
909 pr_cont("0x%x%s",
910 bp->def_status_blk->sp_sb.index_values[i],
911 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
912
913 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
914 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
915 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
916 i*sizeof(u32));
917
918 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
919 "pf_id(0x%x) vnic_id(0x%x) "
920 "vf_id(0x%x) vf_valid (0x%x)\n",
921 sp_sb_data.igu_sb_id,
922 sp_sb_data.igu_seg_id,
923 sp_sb_data.p_func.pf_id,
924 sp_sb_data.p_func.vnic_id,
925 sp_sb_data.p_func.vf_id,
926 sp_sb_data.p_func.vf_valid);
927
928
929 for_each_eth_queue(bp, i) {
930 struct bnx2x_fastpath *fp = &bp->fp[i];
931 int loop;
932 struct hc_status_block_data_e2 sb_data_e2;
933 struct hc_status_block_data_e1x sb_data_e1x;
934 struct hc_status_block_sm *hc_sm_p =
935 CHIP_IS_E2(bp) ?
936 sb_data_e2.common.state_machine :
937 sb_data_e1x.common.state_machine;
938 struct hc_index_data *hc_index_p =
939 CHIP_IS_E2(bp) ?
940 sb_data_e2.index_data :
941 sb_data_e1x.index_data;
942 int data_size;
943 u32 *sb_data_p;
944
945 /* Rx */
946 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
947 " rx_comp_prod(0x%x)"
948 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
949 i, fp->rx_bd_prod, fp->rx_bd_cons,
950 fp->rx_comp_prod,
951 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
952 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
953 " fp_hc_idx(0x%x)\n",
954 fp->rx_sge_prod, fp->last_max_sge,
955 le16_to_cpu(fp->fp_hc_idx));
956
957 /* Tx */
958 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
959 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
960 " *tx_cons_sb(0x%x)\n",
961 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
962 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
963
964 loop = CHIP_IS_E2(bp) ?
965 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
966
967 /* host sb data */
968
969 #ifdef BCM_CNIC
970 if (IS_FCOE_FP(fp))
971 continue;
972 #endif
973 BNX2X_ERR(" run indexes (");
974 for (j = 0; j < HC_SB_MAX_SM; j++)
975 pr_cont("0x%x%s",
976 fp->sb_running_index[j],
977 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
978
979 BNX2X_ERR(" indexes (");
980 for (j = 0; j < loop; j++)
981 pr_cont("0x%x%s",
982 fp->sb_index_values[j],
983 (j == loop - 1) ? ")" : " ");
984 /* fw sb data */
985 data_size = CHIP_IS_E2(bp) ?
986 sizeof(struct hc_status_block_data_e2) :
987 sizeof(struct hc_status_block_data_e1x);
988 data_size /= sizeof(u32);
989 sb_data_p = CHIP_IS_E2(bp) ?
990 (u32 *)&sb_data_e2 :
991 (u32 *)&sb_data_e1x;
992 /* copy sb data in here */
993 for (j = 0; j < data_size; j++)
994 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
995 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
996 j * sizeof(u32));
997
998 if (CHIP_IS_E2(bp)) {
999 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1000 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1001 sb_data_e2.common.p_func.pf_id,
1002 sb_data_e2.common.p_func.vf_id,
1003 sb_data_e2.common.p_func.vf_valid,
1004 sb_data_e2.common.p_func.vnic_id,
1005 sb_data_e2.common.same_igu_sb_1b);
1006 } else {
1007 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1008 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1009 sb_data_e1x.common.p_func.pf_id,
1010 sb_data_e1x.common.p_func.vf_id,
1011 sb_data_e1x.common.p_func.vf_valid,
1012 sb_data_e1x.common.p_func.vnic_id,
1013 sb_data_e1x.common.same_igu_sb_1b);
1014 }
1015
1016 /* SB_SMs data */
1017 for (j = 0; j < HC_SB_MAX_SM; j++) {
1018 pr_cont("SM[%d] __flags (0x%x) "
1019 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1020 "time_to_expire (0x%x) "
1021 "timer_value(0x%x)\n", j,
1022 hc_sm_p[j].__flags,
1023 hc_sm_p[j].igu_sb_id,
1024 hc_sm_p[j].igu_seg_id,
1025 hc_sm_p[j].time_to_expire,
1026 hc_sm_p[j].timer_value);
1027 }
1028
1029 /* Indecies data */
1030 for (j = 0; j < loop; j++) {
1031 pr_cont("INDEX[%d] flags (0x%x) "
1032 "timeout (0x%x)\n", j,
1033 hc_index_p[j].flags,
1034 hc_index_p[j].timeout);
1035 }
1036 }
1037
1038 #ifdef BNX2X_STOP_ON_ERROR
1039 /* Rings */
1040 /* Rx */
1041 for_each_rx_queue(bp, i) {
1042 struct bnx2x_fastpath *fp = &bp->fp[i];
1043
1044 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1045 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
1046 for (j = start; j != end; j = RX_BD(j + 1)) {
1047 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1048 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1049
1050 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1051 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
1052 }
1053
1054 start = RX_SGE(fp->rx_sge_prod);
1055 end = RX_SGE(fp->last_max_sge);
1056 for (j = start; j != end; j = RX_SGE(j + 1)) {
1057 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1058 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1059
1060 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1061 i, j, rx_sge[1], rx_sge[0], sw_page->page);
1062 }
1063
1064 start = RCQ_BD(fp->rx_comp_cons - 10);
1065 end = RCQ_BD(fp->rx_comp_cons + 503);
1066 for (j = start; j != end; j = RCQ_BD(j + 1)) {
1067 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1068
1069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
1071 }
1072 }
1073
1074 /* Tx */
1075 for_each_tx_queue(bp, i) {
1076 struct bnx2x_fastpath *fp = &bp->fp[i];
1077
1078 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1079 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1080 for (j = start; j != end; j = TX_BD(j + 1)) {
1081 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1082
1083 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1084 i, j, sw_bd->skb, sw_bd->first_bd);
1085 }
1086
1087 start = TX_BD(fp->tx_bd_cons - 10);
1088 end = TX_BD(fp->tx_bd_cons + 254);
1089 for (j = start; j != end; j = TX_BD(j + 1)) {
1090 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1091
1092 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1093 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
1094 }
1095 }
1096 #endif
1097 bnx2x_fw_dump(bp);
1098 bnx2x_mc_assert(bp);
1099 BNX2X_ERR("end crash dump -----------------\n");
1100 }
1101
1102 static void bnx2x_hc_int_enable(struct bnx2x *bp)
1103 {
1104 int port = BP_PORT(bp);
1105 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1106 u32 val = REG_RD(bp, addr);
1107 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1108 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1109
1110 if (msix) {
1111 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_INT_LINE_EN_0);
1113 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1114 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1115 } else if (msi) {
1116 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1117 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1119 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1120 } else {
1121 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1122 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1123 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1124 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1125
1126 if (!CHIP_IS_E1(bp)) {
1127 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1128 val, port, addr);
1129
1130 REG_WR(bp, addr, val);
1131
1132 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1133 }
1134 }
1135
1136 if (CHIP_IS_E1(bp))
1137 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1138
1139 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1140 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1141
1142 REG_WR(bp, addr, val);
1143 /*
1144 * Ensure that HC_CONFIG is written before leading/trailing edge config
1145 */
1146 mmiowb();
1147 barrier();
1148
1149 if (!CHIP_IS_E1(bp)) {
1150 /* init leading/trailing edge */
1151 if (IS_MF(bp)) {
1152 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1153 if (bp->port.pmf)
1154 /* enable nig and gpio3 attention */
1155 val |= 0x1100;
1156 } else
1157 val = 0xffff;
1158
1159 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1160 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1161 }
1162
1163 /* Make sure that interrupts are indeed enabled from here on */
1164 mmiowb();
1165 }
1166
1167 static void bnx2x_igu_int_enable(struct bnx2x *bp)
1168 {
1169 u32 val;
1170 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1171 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1172
1173 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1174
1175 if (msix) {
1176 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1177 IGU_PF_CONF_SINGLE_ISR_EN);
1178 val |= (IGU_PF_CONF_FUNC_EN |
1179 IGU_PF_CONF_MSI_MSIX_EN |
1180 IGU_PF_CONF_ATTN_BIT_EN);
1181 } else if (msi) {
1182 val &= ~IGU_PF_CONF_INT_LINE_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_MSI_MSIX_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1187 } else {
1188 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_INT_LINE_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1193 }
1194
1195 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1196 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1197
1198 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1199
1200 barrier();
1201
1202 /* init leading/trailing edge */
1203 if (IS_MF(bp)) {
1204 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1205 if (bp->port.pmf)
1206 /* enable nig and gpio3 attention */
1207 val |= 0x1100;
1208 } else
1209 val = 0xffff;
1210
1211 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1212 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1213
1214 /* Make sure that interrupts are indeed enabled from here on */
1215 mmiowb();
1216 }
1217
1218 void bnx2x_int_enable(struct bnx2x *bp)
1219 {
1220 if (bp->common.int_block == INT_BLOCK_HC)
1221 bnx2x_hc_int_enable(bp);
1222 else
1223 bnx2x_igu_int_enable(bp);
1224 }
1225
1226 static void bnx2x_hc_int_disable(struct bnx2x *bp)
1227 {
1228 int port = BP_PORT(bp);
1229 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1230 u32 val = REG_RD(bp, addr);
1231
1232 /*
1233 * in E1 we must use only PCI configuration space to disable
1234 * MSI/MSIX capablility
1235 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1236 */
1237 if (CHIP_IS_E1(bp)) {
1238 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1239 * Use mask register to prevent from HC sending interrupts
1240 * after we exit the function
1241 */
1242 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1243
1244 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1245 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1246 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1247 } else
1248 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1249 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1250 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1251 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1252
1253 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1254 val, port, addr);
1255
1256 /* flush all outstanding writes */
1257 mmiowb();
1258
1259 REG_WR(bp, addr, val);
1260 if (REG_RD(bp, addr) != val)
1261 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1262 }
1263
1264 static void bnx2x_igu_int_disable(struct bnx2x *bp)
1265 {
1266 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1267
1268 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1269 IGU_PF_CONF_INT_LINE_EN |
1270 IGU_PF_CONF_ATTN_BIT_EN);
1271
1272 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1273
1274 /* flush all outstanding writes */
1275 mmiowb();
1276
1277 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1278 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1279 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1280 }
1281
1282 static void bnx2x_int_disable(struct bnx2x *bp)
1283 {
1284 if (bp->common.int_block == INT_BLOCK_HC)
1285 bnx2x_hc_int_disable(bp);
1286 else
1287 bnx2x_igu_int_disable(bp);
1288 }
1289
1290 void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
1291 {
1292 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1293 int i, offset;
1294
1295 /* disable interrupt handling */
1296 atomic_inc(&bp->intr_sem);
1297 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1298
1299 if (disable_hw)
1300 /* prevent the HW from sending interrupts */
1301 bnx2x_int_disable(bp);
1302
1303 /* make sure all ISRs are done */
1304 if (msix) {
1305 synchronize_irq(bp->msix_table[0].vector);
1306 offset = 1;
1307 #ifdef BCM_CNIC
1308 offset++;
1309 #endif
1310 for_each_eth_queue(bp, i)
1311 synchronize_irq(bp->msix_table[i + offset].vector);
1312 } else
1313 synchronize_irq(bp->pdev->irq);
1314
1315 /* make sure sp_task is not running */
1316 cancel_delayed_work(&bp->sp_task);
1317 flush_workqueue(bnx2x_wq);
1318 }
1319
1320 /* fast path */
1321
1322 /*
1323 * General service functions
1324 */
1325
1326 /* Return true if succeeded to acquire the lock */
1327 static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1328 {
1329 u32 lock_status;
1330 u32 resource_bit = (1 << resource);
1331 int func = BP_FUNC(bp);
1332 u32 hw_lock_control_reg;
1333
1334 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1335
1336 /* Validating that the resource is within range */
1337 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1338 DP(NETIF_MSG_HW,
1339 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1340 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1341 return false;
1342 }
1343
1344 if (func <= 5)
1345 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1346 else
1347 hw_lock_control_reg =
1348 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1349
1350 /* Try to acquire the lock */
1351 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1352 lock_status = REG_RD(bp, hw_lock_control_reg);
1353 if (lock_status & resource_bit)
1354 return true;
1355
1356 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1357 return false;
1358 }
1359
1360 #ifdef BCM_CNIC
1361 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1362 #endif
1363
1364 void bnx2x_sp_event(struct bnx2x_fastpath *fp,
1365 union eth_rx_cqe *rr_cqe)
1366 {
1367 struct bnx2x *bp = fp->bp;
1368 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1369 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1370
1371 DP(BNX2X_MSG_SP,
1372 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
1373 fp->index, cid, command, bp->state,
1374 rr_cqe->ramrod_cqe.ramrod_type);
1375
1376 switch (command | fp->state) {
1377 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1378 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1379 fp->state = BNX2X_FP_STATE_OPEN;
1380 break;
1381
1382 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1383 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
1384 fp->state = BNX2X_FP_STATE_HALTED;
1385 break;
1386
1387 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1388 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1389 fp->state = BNX2X_FP_STATE_TERMINATED;
1390 break;
1391
1392 default:
1393 BNX2X_ERR("unexpected MC reply (%d) "
1394 "fp[%d] state is %x\n",
1395 command, fp->index, fp->state);
1396 break;
1397 }
1398
1399 smp_mb__before_atomic_inc();
1400 atomic_inc(&bp->spq_left);
1401 /* push the change in fp->state and towards the memory */
1402 smp_wmb();
1403
1404 return;
1405 }
1406
1407 irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1408 {
1409 struct bnx2x *bp = netdev_priv(dev_instance);
1410 u16 status = bnx2x_ack_int(bp);
1411 u16 mask;
1412 int i;
1413
1414 /* Return here if interrupt is shared and it's not for us */
1415 if (unlikely(status == 0)) {
1416 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1417 return IRQ_NONE;
1418 }
1419 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
1420
1421 /* Return here if interrupt is disabled */
1422 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1423 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1424 return IRQ_HANDLED;
1425 }
1426
1427 #ifdef BNX2X_STOP_ON_ERROR
1428 if (unlikely(bp->panic))
1429 return IRQ_HANDLED;
1430 #endif
1431
1432 for_each_eth_queue(bp, i) {
1433 struct bnx2x_fastpath *fp = &bp->fp[i];
1434
1435 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
1436 if (status & mask) {
1437 /* Handle Rx and Tx according to SB id */
1438 prefetch(fp->rx_cons_sb);
1439 prefetch(fp->tx_cons_sb);
1440 prefetch(&fp->sb_running_index[SM_RX_ID]);
1441 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
1442 status &= ~mask;
1443 }
1444 }
1445
1446 #ifdef BCM_CNIC
1447 mask = 0x2;
1448 if (status & (mask | 0x1)) {
1449 struct cnic_ops *c_ops = NULL;
1450
1451 rcu_read_lock();
1452 c_ops = rcu_dereference(bp->cnic_ops);
1453 if (c_ops)
1454 c_ops->cnic_handler(bp->cnic_data, NULL);
1455 rcu_read_unlock();
1456
1457 status &= ~mask;
1458 }
1459 #endif
1460
1461 if (unlikely(status & 0x1)) {
1462 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1463
1464 status &= ~0x1;
1465 if (!status)
1466 return IRQ_HANDLED;
1467 }
1468
1469 if (unlikely(status))
1470 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
1471 status);
1472
1473 return IRQ_HANDLED;
1474 }
1475
1476 /* end of fast path */
1477
1478
1479 /* Link */
1480
1481 /*
1482 * General service functions
1483 */
1484
1485 int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1486 {
1487 u32 lock_status;
1488 u32 resource_bit = (1 << resource);
1489 int func = BP_FUNC(bp);
1490 u32 hw_lock_control_reg;
1491 int cnt;
1492
1493 /* Validating that the resource is within range */
1494 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1495 DP(NETIF_MSG_HW,
1496 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1497 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1498 return -EINVAL;
1499 }
1500
1501 if (func <= 5) {
1502 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1503 } else {
1504 hw_lock_control_reg =
1505 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1506 }
1507
1508 /* Validating that the resource is not already taken */
1509 lock_status = REG_RD(bp, hw_lock_control_reg);
1510 if (lock_status & resource_bit) {
1511 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1512 lock_status, resource_bit);
1513 return -EEXIST;
1514 }
1515
1516 /* Try for 5 second every 5ms */
1517 for (cnt = 0; cnt < 1000; cnt++) {
1518 /* Try to acquire the lock */
1519 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1520 lock_status = REG_RD(bp, hw_lock_control_reg);
1521 if (lock_status & resource_bit)
1522 return 0;
1523
1524 msleep(5);
1525 }
1526 DP(NETIF_MSG_HW, "Timeout\n");
1527 return -EAGAIN;
1528 }
1529
1530 int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1531 {
1532 u32 lock_status;
1533 u32 resource_bit = (1 << resource);
1534 int func = BP_FUNC(bp);
1535 u32 hw_lock_control_reg;
1536
1537 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1538
1539 /* Validating that the resource is within range */
1540 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1541 DP(NETIF_MSG_HW,
1542 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1543 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1544 return -EINVAL;
1545 }
1546
1547 if (func <= 5) {
1548 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1549 } else {
1550 hw_lock_control_reg =
1551 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1552 }
1553
1554 /* Validating that the resource is currently taken */
1555 lock_status = REG_RD(bp, hw_lock_control_reg);
1556 if (!(lock_status & resource_bit)) {
1557 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1558 lock_status, resource_bit);
1559 return -EFAULT;
1560 }
1561
1562 REG_WR(bp, hw_lock_control_reg, resource_bit);
1563 return 0;
1564 }
1565
1566
1567 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1568 {
1569 /* The GPIO should be swapped if swap register is set and active */
1570 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1571 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1572 int gpio_shift = gpio_num +
1573 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1574 u32 gpio_mask = (1 << gpio_shift);
1575 u32 gpio_reg;
1576 int value;
1577
1578 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1579 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1580 return -EINVAL;
1581 }
1582
1583 /* read GPIO value */
1584 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1585
1586 /* get the requested pin value */
1587 if ((gpio_reg & gpio_mask) == gpio_mask)
1588 value = 1;
1589 else
1590 value = 0;
1591
1592 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1593
1594 return value;
1595 }
1596
1597 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1598 {
1599 /* The GPIO should be swapped if swap register is set and active */
1600 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1601 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1602 int gpio_shift = gpio_num +
1603 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1604 u32 gpio_mask = (1 << gpio_shift);
1605 u32 gpio_reg;
1606
1607 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1608 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1609 return -EINVAL;
1610 }
1611
1612 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1613 /* read GPIO and mask except the float bits */
1614 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1615
1616 switch (mode) {
1617 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1618 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1619 gpio_num, gpio_shift);
1620 /* clear FLOAT and set CLR */
1621 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1622 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1623 break;
1624
1625 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1626 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1627 gpio_num, gpio_shift);
1628 /* clear FLOAT and set SET */
1629 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1631 break;
1632
1633 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1634 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1635 gpio_num, gpio_shift);
1636 /* set FLOAT */
1637 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1638 break;
1639
1640 default:
1641 break;
1642 }
1643
1644 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1645 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1646
1647 return 0;
1648 }
1649
1650 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1651 {
1652 /* The GPIO should be swapped if swap register is set and active */
1653 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1654 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1655 int gpio_shift = gpio_num +
1656 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1657 u32 gpio_mask = (1 << gpio_shift);
1658 u32 gpio_reg;
1659
1660 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1661 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1662 return -EINVAL;
1663 }
1664
1665 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1666 /* read GPIO int */
1667 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1668
1669 switch (mode) {
1670 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1671 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1672 "output low\n", gpio_num, gpio_shift);
1673 /* clear SET and set CLR */
1674 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1675 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 break;
1677
1678 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1679 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1680 "output high\n", gpio_num, gpio_shift);
1681 /* clear CLR and set SET */
1682 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1683 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1684 break;
1685
1686 default:
1687 break;
1688 }
1689
1690 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1691 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1692
1693 return 0;
1694 }
1695
1696 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1697 {
1698 u32 spio_mask = (1 << spio_num);
1699 u32 spio_reg;
1700
1701 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1702 (spio_num > MISC_REGISTERS_SPIO_7)) {
1703 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1704 return -EINVAL;
1705 }
1706
1707 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1708 /* read SPIO and mask except the float bits */
1709 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1710
1711 switch (mode) {
1712 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1714 /* clear FLOAT and set CLR */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1717 break;
1718
1719 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1720 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1721 /* clear FLOAT and set SET */
1722 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1724 break;
1725
1726 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1727 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1728 /* set FLOAT */
1729 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1730 break;
1731
1732 default:
1733 break;
1734 }
1735
1736 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1737 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1738
1739 return 0;
1740 }
1741
1742 int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1743 {
1744 u32 sel_phy_idx = 0;
1745 if (bp->link_vars.link_up) {
1746 sel_phy_idx = EXT_PHY1;
1747 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1748 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1749 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1750 sel_phy_idx = EXT_PHY2;
1751 } else {
1752
1753 switch (bnx2x_phy_selection(&bp->link_params)) {
1754 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1755 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1756 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1757 sel_phy_idx = EXT_PHY1;
1758 break;
1759 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1760 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1761 sel_phy_idx = EXT_PHY2;
1762 break;
1763 }
1764 }
1765 /*
1766 * The selected actived PHY is always after swapping (in case PHY
1767 * swapping is enabled). So when swapping is enabled, we need to reverse
1768 * the configuration
1769 */
1770
1771 if (bp->link_params.multi_phy_config &
1772 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1773 if (sel_phy_idx == EXT_PHY1)
1774 sel_phy_idx = EXT_PHY2;
1775 else if (sel_phy_idx == EXT_PHY2)
1776 sel_phy_idx = EXT_PHY1;
1777 }
1778 return LINK_CONFIG_IDX(sel_phy_idx);
1779 }
1780
1781 void bnx2x_calc_fc_adv(struct bnx2x *bp)
1782 {
1783 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1784 switch (bp->link_vars.ieee_fc &
1785 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
1786 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1787 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
1788 ADVERTISED_Pause);
1789 break;
1790
1791 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1792 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
1793 ADVERTISED_Pause);
1794 break;
1795
1796 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1797 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
1798 break;
1799
1800 default:
1801 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
1802 ADVERTISED_Pause);
1803 break;
1804 }
1805 }
1806
1807 u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
1808 {
1809 if (!BP_NOMCP(bp)) {
1810 u8 rc;
1811 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1812 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
1813 /* Initialize link parameters structure variables */
1814 /* It is recommended to turn off RX FC for jumbo frames
1815 for better performance */
1816 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
1817 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
1818 else
1819 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1820
1821 bnx2x_acquire_phy_lock(bp);
1822
1823 if (load_mode == LOAD_DIAG) {
1824 bp->link_params.loopback_mode = LOOPBACK_XGXS;
1825 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1826 }
1827
1828 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1829
1830 bnx2x_release_phy_lock(bp);
1831
1832 bnx2x_calc_fc_adv(bp);
1833
1834 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1835 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
1836 bnx2x_link_report(bp);
1837 }
1838 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
1839 return rc;
1840 }
1841 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
1842 return -EINVAL;
1843 }
1844
1845 void bnx2x_link_set(struct bnx2x *bp)
1846 {
1847 if (!BP_NOMCP(bp)) {
1848 bnx2x_acquire_phy_lock(bp);
1849 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1850 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1851 bnx2x_release_phy_lock(bp);
1852
1853 bnx2x_calc_fc_adv(bp);
1854 } else
1855 BNX2X_ERR("Bootcode is missing - can not set link\n");
1856 }
1857
1858 static void bnx2x__link_reset(struct bnx2x *bp)
1859 {
1860 if (!BP_NOMCP(bp)) {
1861 bnx2x_acquire_phy_lock(bp);
1862 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1863 bnx2x_release_phy_lock(bp);
1864 } else
1865 BNX2X_ERR("Bootcode is missing - can not reset link\n");
1866 }
1867
1868 u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
1869 {
1870 u8 rc = 0;
1871
1872 if (!BP_NOMCP(bp)) {
1873 bnx2x_acquire_phy_lock(bp);
1874 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1875 is_serdes);
1876 bnx2x_release_phy_lock(bp);
1877 } else
1878 BNX2X_ERR("Bootcode is missing - can not test link\n");
1879
1880 return rc;
1881 }
1882
1883 static void bnx2x_init_port_minmax(struct bnx2x *bp)
1884 {
1885 u32 r_param = bp->link_vars.line_speed / 8;
1886 u32 fair_periodic_timeout_usec;
1887 u32 t_fair;
1888
1889 memset(&(bp->cmng.rs_vars), 0,
1890 sizeof(struct rate_shaping_vars_per_port));
1891 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
1892
1893 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1894 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
1895
1896 /* this is the threshold below which no timer arming will occur
1897 1.25 coefficient is for the threshold to be a little bigger
1898 than the real time, to compensate for timer in-accuracy */
1899 bp->cmng.rs_vars.rs_threshold =
1900 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1901
1902 /* resolution of fairness timer */
1903 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1904 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1905 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
1906
1907 /* this is the threshold below which we won't arm the timer anymore */
1908 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
1909
1910 /* we multiply by 1e3/8 to get bytes/msec.
1911 We don't want the credits to pass a credit
1912 of the t_fair*FAIR_MEM (algorithm resolution) */
1913 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1914 /* since each tick is 4 usec */
1915 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
1916 }
1917
1918 /* Calculates the sum of vn_min_rates.
1919 It's needed for further normalizing of the min_rates.
1920 Returns:
1921 sum of vn_min_rates.
1922 or
1923 0 - if all the min_rates are 0.
1924 In the later case fainess algorithm should be deactivated.
1925 If not all min_rates are zero then those that are zeroes will be set to 1.
1926 */
1927 static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1928 {
1929 int all_zero = 1;
1930 int vn;
1931
1932 bp->vn_weight_sum = 0;
1933 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
1934 u32 vn_cfg = bp->mf_config[vn];
1935 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1936 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1937
1938 /* Skip hidden vns */
1939 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1940 continue;
1941
1942 /* If min rate is zero - set it to 1 */
1943 if (!vn_min_rate)
1944 vn_min_rate = DEF_MIN_RATE;
1945 else
1946 all_zero = 0;
1947
1948 bp->vn_weight_sum += vn_min_rate;
1949 }
1950
1951 /* ... only if all min rates are zeros - disable fairness */
1952 if (all_zero) {
1953 bp->cmng.flags.cmng_enables &=
1954 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1955 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1956 " fairness will be disabled\n");
1957 } else
1958 bp->cmng.flags.cmng_enables |=
1959 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1960 }
1961
1962 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
1963 {
1964 struct rate_shaping_vars_per_vn m_rs_vn;
1965 struct fairness_vars_per_vn m_fair_vn;
1966 u32 vn_cfg = bp->mf_config[vn];
1967 int func = 2*vn + BP_PORT(bp);
1968 u16 vn_min_rate, vn_max_rate;
1969 int i;
1970
1971 /* If function is hidden - set min and max to zeroes */
1972 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1973 vn_min_rate = 0;
1974 vn_max_rate = 0;
1975
1976 } else {
1977 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1978 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1979 /* If min rate is zero - set it to 1 */
1980 if (bp->vn_weight_sum && (vn_min_rate == 0))
1981 vn_min_rate = DEF_MIN_RATE;
1982 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1983 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
1984 }
1985
1986 DP(NETIF_MSG_IFUP,
1987 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
1988 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
1989
1990 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1991 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1992
1993 /* global vn counter - maximal Mbps for this vn */
1994 m_rs_vn.vn_counter.rate = vn_max_rate;
1995
1996 /* quota - number of bytes transmitted in this period */
1997 m_rs_vn.vn_counter.quota =
1998 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1999
2000 if (bp->vn_weight_sum) {
2001 /* credit for each period of the fairness algorithm:
2002 number of bytes in T_FAIR (the vn share the port rate).
2003 vn_weight_sum should not be larger than 10000, thus
2004 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2005 than zero */
2006 m_fair_vn.vn_credit_delta =
2007 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2008 (8 * bp->vn_weight_sum))),
2009 (bp->cmng.fair_vars.fair_threshold * 2));
2010 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
2011 m_fair_vn.vn_credit_delta);
2012 }
2013
2014 /* Store it to internal memory */
2015 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2016 REG_WR(bp, BAR_XSTRORM_INTMEM +
2017 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2018 ((u32 *)(&m_rs_vn))[i]);
2019
2020 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2021 REG_WR(bp, BAR_XSTRORM_INTMEM +
2022 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2023 ((u32 *)(&m_fair_vn))[i]);
2024 }
2025
2026 static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2027 {
2028 if (CHIP_REV_IS_SLOW(bp))
2029 return CMNG_FNS_NONE;
2030 if (IS_MF(bp))
2031 return CMNG_FNS_MINMAX;
2032
2033 return CMNG_FNS_NONE;
2034 }
2035
2036 static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2037 {
2038 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
2039
2040 if (BP_NOMCP(bp))
2041 return; /* what should be the default bvalue in this case */
2042
2043 /* For 2 port configuration the absolute function number formula
2044 * is:
2045 * abs_func = 2 * vn + BP_PORT + BP_PATH
2046 *
2047 * and there are 4 functions per port
2048 *
2049 * For 4 port configuration it is
2050 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2051 *
2052 * and there are 2 functions per port
2053 */
2054 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2055 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2056
2057 if (func >= E1H_FUNC_MAX)
2058 break;
2059
2060 bp->mf_config[vn] =
2061 MF_CFG_RD(bp, func_mf_config[func].config);
2062 }
2063 }
2064
2065 static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2066 {
2067
2068 if (cmng_type == CMNG_FNS_MINMAX) {
2069 int vn;
2070
2071 /* clear cmng_enables */
2072 bp->cmng.flags.cmng_enables = 0;
2073
2074 /* read mf conf from shmem */
2075 if (read_cfg)
2076 bnx2x_read_mf_cfg(bp);
2077
2078 /* Init rate shaping and fairness contexts */
2079 bnx2x_init_port_minmax(bp);
2080
2081 /* vn_weight_sum and enable fairness if not 0 */
2082 bnx2x_calc_vn_weight_sum(bp);
2083
2084 /* calculate and set min-max rate for each vn */
2085 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2086 bnx2x_init_vn_minmax(bp, vn);
2087
2088 /* always enable rate shaping and fairness */
2089 bp->cmng.flags.cmng_enables |=
2090 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2091 if (!bp->vn_weight_sum)
2092 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2093 " fairness will be disabled\n");
2094 return;
2095 }
2096
2097 /* rate shaping and fairness are disabled */
2098 DP(NETIF_MSG_IFUP,
2099 "rate shaping and fairness are disabled\n");
2100 }
2101
2102 static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2103 {
2104 int port = BP_PORT(bp);
2105 int func;
2106 int vn;
2107
2108 /* Set the attention towards other drivers on the same port */
2109 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2110 if (vn == BP_E1HVN(bp))
2111 continue;
2112
2113 func = ((vn << 1) | port);
2114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2115 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2116 }
2117 }
2118
2119 /* This function is called upon link interrupt */
2120 static void bnx2x_link_attn(struct bnx2x *bp)
2121 {
2122 u32 prev_link_status = bp->link_vars.link_status;
2123 /* Make sure that we are synced with the current statistics */
2124 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2125
2126 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2127
2128 if (bp->link_vars.link_up) {
2129
2130 /* dropless flow control */
2131 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
2132 int port = BP_PORT(bp);
2133 u32 pause_enabled = 0;
2134
2135 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2136 pause_enabled = 1;
2137
2138 REG_WR(bp, BAR_USTRORM_INTMEM +
2139 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
2140 pause_enabled);
2141 }
2142
2143 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2144 struct host_port_stats *pstats;
2145
2146 pstats = bnx2x_sp(bp, port_stats);
2147 /* reset old bmac stats */
2148 memset(&(pstats->mac_stx[0]), 0,
2149 sizeof(struct mac_stx));
2150 }
2151 if (bp->state == BNX2X_STATE_OPEN)
2152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2153 }
2154
2155 /* indicate link status only if link status actually changed */
2156 if (prev_link_status != bp->link_vars.link_status)
2157 bnx2x_link_report(bp);
2158
2159 if (IS_MF(bp))
2160 bnx2x_link_sync_notify(bp);
2161
2162 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2163 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
2164
2165 if (cmng_fns != CMNG_FNS_NONE) {
2166 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2167 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2168 } else
2169 /* rate shaping and fairness are disabled */
2170 DP(NETIF_MSG_IFUP,
2171 "single function mode without fairness\n");
2172 }
2173 }
2174
2175 void bnx2x__link_status_update(struct bnx2x *bp)
2176 {
2177 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
2178 return;
2179
2180 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2181
2182 if (bp->link_vars.link_up)
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2184 else
2185 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2186
2187 /* the link status update could be the result of a DCC event
2188 hence re-read the shmem mf configuration */
2189 bnx2x_read_mf_cfg(bp);
2190
2191 /* indicate link status */
2192 bnx2x_link_report(bp);
2193 }
2194
2195 static void bnx2x_pmf_update(struct bnx2x *bp)
2196 {
2197 int port = BP_PORT(bp);
2198 u32 val;
2199
2200 bp->port.pmf = 1;
2201 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2202
2203 /* enable nig attention */
2204 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2205 if (bp->common.int_block == INT_BLOCK_HC) {
2206 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2207 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2208 } else if (CHIP_IS_E2(bp)) {
2209 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2210 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2211 }
2212
2213 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2214 }
2215
2216 /* end of Link */
2217
2218 /* slow path */
2219
2220 /*
2221 * General service functions
2222 */
2223
2224 /* send the MCP a request, block until there is a reply */
2225 u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
2226 {
2227 int mb_idx = BP_FW_MB_IDX(bp);
2228 u32 seq = ++bp->fw_seq;
2229 u32 rc = 0;
2230 u32 cnt = 1;
2231 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2232
2233 mutex_lock(&bp->fw_mb_mutex);
2234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2235 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2236
2237 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2238
2239 do {
2240 /* let the FW do it's magic ... */
2241 msleep(delay);
2242
2243 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
2244
2245 /* Give the FW up to 5 second (500*10ms) */
2246 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
2247
2248 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2249 cnt*delay, rc, seq);
2250
2251 /* is this a reply to our command? */
2252 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2253 rc &= FW_MSG_CODE_MASK;
2254 else {
2255 /* FW BUG! */
2256 BNX2X_ERR("FW failed to respond!\n");
2257 bnx2x_fw_dump(bp);
2258 rc = 0;
2259 }
2260 mutex_unlock(&bp->fw_mb_mutex);
2261
2262 return rc;
2263 }
2264
2265 static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2266 {
2267 #ifdef BCM_CNIC
2268 if (IS_FCOE_FP(fp) && IS_MF(bp))
2269 return false;
2270 #endif
2271 return true;
2272 }
2273
2274 /* must be called under rtnl_lock */
2275 static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
2276 {
2277 u32 mask = (1 << cl_id);
2278
2279 /* initial seeting is BNX2X_ACCEPT_NONE */
2280 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2281 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2282 u8 unmatched_unicast = 0;
2283
2284 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2285 unmatched_unicast = 1;
2286
2287 if (filters & BNX2X_PROMISCUOUS_MODE) {
2288 /* promiscious - accept all, drop none */
2289 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2290 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
2291 if (IS_MF_SI(bp)) {
2292 /*
2293 * SI mode defines to accept in promiscuos mode
2294 * only unmatched packets
2295 */
2296 unmatched_unicast = 1;
2297 accp_all_ucast = 0;
2298 }
2299 }
2300 if (filters & BNX2X_ACCEPT_UNICAST) {
2301 /* accept matched ucast */
2302 drop_all_ucast = 0;
2303 }
2304 if (filters & BNX2X_ACCEPT_MULTICAST) {
2305 /* accept matched mcast */
2306 drop_all_mcast = 0;
2307 if (IS_MF_SI(bp))
2308 /* since mcast addresses won't arrive with ovlan,
2309 * fw needs to accept all of them in
2310 * switch-independent mode */
2311 accp_all_mcast = 1;
2312 }
2313 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2314 /* accept all mcast */
2315 drop_all_ucast = 0;
2316 accp_all_ucast = 1;
2317 }
2318 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2319 /* accept all mcast */
2320 drop_all_mcast = 0;
2321 accp_all_mcast = 1;
2322 }
2323 if (filters & BNX2X_ACCEPT_BROADCAST) {
2324 /* accept (all) bcast */
2325 drop_all_bcast = 0;
2326 accp_all_bcast = 1;
2327 }
2328
2329 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2330 bp->mac_filters.ucast_drop_all | mask :
2331 bp->mac_filters.ucast_drop_all & ~mask;
2332
2333 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2334 bp->mac_filters.mcast_drop_all | mask :
2335 bp->mac_filters.mcast_drop_all & ~mask;
2336
2337 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2338 bp->mac_filters.bcast_drop_all | mask :
2339 bp->mac_filters.bcast_drop_all & ~mask;
2340
2341 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2342 bp->mac_filters.ucast_accept_all | mask :
2343 bp->mac_filters.ucast_accept_all & ~mask;
2344
2345 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2346 bp->mac_filters.mcast_accept_all | mask :
2347 bp->mac_filters.mcast_accept_all & ~mask;
2348
2349 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2350 bp->mac_filters.bcast_accept_all | mask :
2351 bp->mac_filters.bcast_accept_all & ~mask;
2352
2353 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2354 bp->mac_filters.unmatched_unicast | mask :
2355 bp->mac_filters.unmatched_unicast & ~mask;
2356 }
2357
2358 static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
2359 {
2360 struct tstorm_eth_function_common_config tcfg = {0};
2361 u16 rss_flgs;
2362
2363 /* tpa */
2364 if (p->func_flgs & FUNC_FLG_TPA)
2365 tcfg.config_flags |=
2366 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
2367
2368 /* set rss flags */
2369 rss_flgs = (p->rss->mode <<
2370 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
2371
2372 if (p->rss->cap & RSS_IPV4_CAP)
2373 rss_flgs |= RSS_IPV4_CAP_MASK;
2374 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2375 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2376 if (p->rss->cap & RSS_IPV6_CAP)
2377 rss_flgs |= RSS_IPV6_CAP_MASK;
2378 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2379 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
2380
2381 tcfg.config_flags |= rss_flgs;
2382 tcfg.rss_result_mask = p->rss->result_mask;
2383
2384 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2385
2386 /* Enable the function in the FW */
2387 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2388 storm_memset_func_en(bp, p->func_id, 1);
2389
2390 /* statistics */
2391 if (p->func_flgs & FUNC_FLG_STATS) {
2392 struct stats_indication_flags stats_flags = {0};
2393 stats_flags.collect_eth = 1;
2394
2395 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2396 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2397
2398 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2399 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2400
2401 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2402 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2403
2404 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2405 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2406 }
2407
2408 /* spq */
2409 if (p->func_flgs & FUNC_FLG_SPQ) {
2410 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2411 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2412 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2413 }
2414 }
2415
2416 static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2417 struct bnx2x_fastpath *fp)
2418 {
2419 u16 flags = 0;
2420
2421 /* calculate queue flags */
2422 flags |= QUEUE_FLG_CACHE_ALIGN;
2423 flags |= QUEUE_FLG_HC;
2424 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
2425
2426 flags |= QUEUE_FLG_VLAN;
2427 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
2428
2429 if (!fp->disable_tpa)
2430 flags |= QUEUE_FLG_TPA;
2431
2432 flags = stat_counter_valid(bp, fp) ?
2433 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
2434
2435 return flags;
2436 }
2437
2438 static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2439 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2440 struct bnx2x_rxq_init_params *rxq_init)
2441 {
2442 u16 max_sge = 0;
2443 u16 sge_sz = 0;
2444 u16 tpa_agg_size = 0;
2445
2446 /* calculate queue flags */
2447 u16 flags = bnx2x_get_cl_flags(bp, fp);
2448
2449 if (!fp->disable_tpa) {
2450 pause->sge_th_hi = 250;
2451 pause->sge_th_lo = 150;
2452 tpa_agg_size = min_t(u32,
2453 (min_t(u32, 8, MAX_SKB_FRAGS) *
2454 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2455 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2456 SGE_PAGE_SHIFT;
2457 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2458 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2459 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2460 0xffff);
2461 }
2462
2463 /* pause - not for e1 */
2464 if (!CHIP_IS_E1(bp)) {
2465 pause->bd_th_hi = 350;
2466 pause->bd_th_lo = 250;
2467 pause->rcq_th_hi = 350;
2468 pause->rcq_th_lo = 250;
2469 pause->sge_th_hi = 0;
2470 pause->sge_th_lo = 0;
2471 pause->pri_map = 1;
2472 }
2473
2474 /* rxq setup */
2475 rxq_init->flags = flags;
2476 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2477 rxq_init->dscr_map = fp->rx_desc_mapping;
2478 rxq_init->sge_map = fp->rx_sge_mapping;
2479 rxq_init->rcq_map = fp->rx_comp_mapping;
2480 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2481 rxq_init->mtu = bp->dev->mtu;
2482 rxq_init->buf_sz = bp->rx_buf_size;
2483 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2484 rxq_init->cl_id = fp->cl_id;
2485 rxq_init->spcl_id = fp->cl_id;
2486 rxq_init->stat_id = fp->cl_id;
2487 rxq_init->tpa_agg_sz = tpa_agg_size;
2488 rxq_init->sge_buf_sz = sge_sz;
2489 rxq_init->max_sges_pkt = max_sge;
2490 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2491 rxq_init->fw_sb_id = fp->fw_sb_id;
2492
2493 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;
2497
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
2503 static 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;
2516
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
2522 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2523 }
2524
2525 static void bnx2x_pf_init(struct bnx2x *bp)
2526 {
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))
2534 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
2535
2536 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
2551 /* function setup flags */
2552 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2553
2554 if (CHIP_IS_E1x(bp))
2555 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2556 else
2557 flags |= FUNC_FLG_TPA;
2558
2559 /* function setup */
2560
2561 /**
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.
2564 */
2565 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;
2570
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
2609 static void bnx2x_e1h_disable(struct bnx2x *bp)
2610 {
2611 int port = BP_PORT(bp);
2612
2613 netif_tx_disable(bp->dev);
2614
2615 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2616
2617 netif_carrier_off(bp->dev);
2618 }
2619
2620 static 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
2626 /* Tx queue should be only reenabled */
2627 netif_tx_wake_all_queues(bp->dev);
2628
2629 /*
2630 * Should not call netif_carrier_on since it will be called if the link
2631 * is up when checking for link state
2632 */
2633 }
2634
2635 /* called due to MCP event (on pmf):
2636 * reread new bandwidth configuration
2637 * configure FW
2638 * notify others function about the change
2639 */
2640 static 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
2649 static 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
2655 static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2656 {
2657 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
2658
2659 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2660
2661 /*
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 */
2666 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2667 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
2668 bp->flags |= MF_FUNC_DIS;
2669
2670 bnx2x_e1h_disable(bp);
2671 } else {
2672 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2673 bp->flags &= ~MF_FUNC_DIS;
2674
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) {
2680 bnx2x_config_mf_bw(bp);
2681 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2682 }
2683
2684 /* Report results to MCP */
2685 if (dcc_event)
2686 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
2687 else
2688 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
2689 }
2690
2691 /* must be called under the spq lock */
2692 static 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 */
2708 static 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
2715 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2716 bp->spq_prod_idx);
2717 mmiowb();
2718 }
2719
2720 /* the slow path queue is odd since completions arrive on the fastpath ring */
2721 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2722 u32 data_hi, u32 data_lo, int common)
2723 {
2724 struct eth_spe *spe;
2725 u16 type;
2726
2727 #ifdef BNX2X_STOP_ON_ERROR
2728 if (unlikely(bp->panic))
2729 return -EIO;
2730 #endif
2731
2732 spin_lock_bh(&bp->spq_lock);
2733
2734 if (!atomic_read(&bp->spq_left)) {
2735 BNX2X_ERR("BUG! SPQ ring full!\n");
2736 spin_unlock_bh(&bp->spq_lock);
2737 bnx2x_panic();
2738 return -EBUSY;
2739 }
2740
2741 spe = bnx2x_sp_get_next(bp);
2742
2743 /* CID needs port number to be encoded int it */
2744 spe->hdr.conn_and_cmd_data =
2745 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2746 HW_CID(bp, cid));
2747
2748 if (common)
2749 /* Common ramrods:
2750 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2751 * TRAFFIC_STOP, TRAFFIC_START
2752 */
2753 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2754 & SPE_HDR_CONN_TYPE;
2755 else
2756 /* ETH ramrods: SETUP, HALT */
2757 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2758 & SPE_HDR_CONN_TYPE;
2759
2760 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2761 SPE_HDR_FUNCTION_ID);
2762
2763 spe->hdr.type = cpu_to_le16(type);
2764
2765 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2766 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2767
2768 /* stats ramrod has it's own slot on the spq */
2769 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
2770 /* It's ok if the actual decrement is issued towards the memory
2771 * somewhere between the spin_lock and spin_unlock. Thus no
2772 * more explict memory barrier is needed.
2773 */
2774 atomic_dec(&bp->spq_left);
2775
2776 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2777 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2778 "type(0x%x) left %x\n",
2779 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2780 (u32)(U64_LO(bp->spq_mapping) +
2781 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2782 HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
2783
2784 bnx2x_sp_prod_update(bp);
2785 spin_unlock_bh(&bp->spq_lock);
2786 return 0;
2787 }
2788
2789 /* acquire split MCP access lock register */
2790 static int bnx2x_acquire_alr(struct bnx2x *bp)
2791 {
2792 u32 j, val;
2793 int rc = 0;
2794
2795 might_sleep();
2796 for (j = 0; j < 1000; j++) {
2797 val = (1UL << 31);
2798 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2799 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2800 if (val & (1L << 31))
2801 break;
2802
2803 msleep(5);
2804 }
2805 if (!(val & (1L << 31))) {
2806 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2807 rc = -EBUSY;
2808 }
2809
2810 return rc;
2811 }
2812
2813 /* release split MCP access lock register */
2814 static void bnx2x_release_alr(struct bnx2x *bp)
2815 {
2816 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
2817 }
2818
2819 #define BNX2X_DEF_SB_ATT_IDX 0x0001
2820 #define BNX2X_DEF_SB_IDX 0x0002
2821
2822 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2823 {
2824 struct host_sp_status_block *def_sb = bp->def_status_blk;
2825 u16 rc = 0;
2826
2827 barrier(); /* status block is written to by the chip */
2828 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2829 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2830 rc |= BNX2X_DEF_SB_ATT_IDX;
2831 }
2832
2833 if (bp->def_idx != def_sb->sp_sb.running_index) {
2834 bp->def_idx = def_sb->sp_sb.running_index;
2835 rc |= BNX2X_DEF_SB_IDX;
2836 }
2837
2838 /* Do not reorder: indecies reading should complete before handling */
2839 barrier();
2840 return rc;
2841 }
2842
2843 /*
2844 * slow path service functions
2845 */
2846
2847 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2848 {
2849 int port = BP_PORT(bp);
2850 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2851 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2852 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2853 NIG_REG_MASK_INTERRUPT_PORT0;
2854 u32 aeu_mask;
2855 u32 nig_mask = 0;
2856 u32 reg_addr;
2857
2858 if (bp->attn_state & asserted)
2859 BNX2X_ERR("IGU ERROR\n");
2860
2861 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2862 aeu_mask = REG_RD(bp, aeu_addr);
2863
2864 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2865 aeu_mask, asserted);
2866 aeu_mask &= ~(asserted & 0x3ff);
2867 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2868
2869 REG_WR(bp, aeu_addr, aeu_mask);
2870 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2871
2872 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2873 bp->attn_state |= asserted;
2874 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2875
2876 if (asserted & ATTN_HARD_WIRED_MASK) {
2877 if (asserted & ATTN_NIG_FOR_FUNC) {
2878
2879 bnx2x_acquire_phy_lock(bp);
2880
2881 /* save nig interrupt mask */
2882 nig_mask = REG_RD(bp, nig_int_mask_addr);
2883 REG_WR(bp, nig_int_mask_addr, 0);
2884
2885 bnx2x_link_attn(bp);
2886
2887 /* handle unicore attn? */
2888 }
2889 if (asserted & ATTN_SW_TIMER_4_FUNC)
2890 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2891
2892 if (asserted & GPIO_2_FUNC)
2893 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2894
2895 if (asserted & GPIO_3_FUNC)
2896 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2897
2898 if (asserted & GPIO_4_FUNC)
2899 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2900
2901 if (port == 0) {
2902 if (asserted & ATTN_GENERAL_ATTN_1) {
2903 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2904 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2905 }
2906 if (asserted & ATTN_GENERAL_ATTN_2) {
2907 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2908 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2909 }
2910 if (asserted & ATTN_GENERAL_ATTN_3) {
2911 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2912 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2913 }
2914 } else {
2915 if (asserted & ATTN_GENERAL_ATTN_4) {
2916 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2917 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2918 }
2919 if (asserted & ATTN_GENERAL_ATTN_5) {
2920 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2921 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2922 }
2923 if (asserted & ATTN_GENERAL_ATTN_6) {
2924 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2925 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2926 }
2927 }
2928
2929 } /* if hardwired */
2930
2931 if (bp->common.int_block == INT_BLOCK_HC)
2932 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2933 COMMAND_REG_ATTN_BITS_SET);
2934 else
2935 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2936
2937 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2938 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2939 REG_WR(bp, reg_addr, asserted);
2940
2941 /* now set back the mask */
2942 if (asserted & ATTN_NIG_FOR_FUNC) {
2943 REG_WR(bp, nig_int_mask_addr, nig_mask);
2944 bnx2x_release_phy_lock(bp);
2945 }
2946 }
2947
2948 static inline void bnx2x_fan_failure(struct bnx2x *bp)
2949 {
2950 int port = BP_PORT(bp);
2951 u32 ext_phy_config;
2952 /* mark the failure */
2953 ext_phy_config =
2954 SHMEM_RD(bp,
2955 dev_info.port_hw_config[port].external_phy_config);
2956
2957 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2958 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2959 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
2960 ext_phy_config);
2961
2962 /* log the failure */
2963 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2964 " the driver to shutdown the card to prevent permanent"
2965 " damage. Please contact OEM Support for assistance\n");
2966 }
2967
2968 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2969 {
2970 int port = BP_PORT(bp);
2971 int reg_offset;
2972 u32 val;
2973
2974 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2975 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2976
2977 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2978
2979 val = REG_RD(bp, reg_offset);
2980 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2981 REG_WR(bp, reg_offset, val);
2982
2983 BNX2X_ERR("SPIO5 hw attention\n");
2984
2985 /* Fan failure attention */
2986 bnx2x_hw_reset_phy(&bp->link_params);
2987 bnx2x_fan_failure(bp);
2988 }
2989
2990 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2991 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2992 bnx2x_acquire_phy_lock(bp);
2993 bnx2x_handle_module_detect_int(&bp->link_params);
2994 bnx2x_release_phy_lock(bp);
2995 }
2996
2997 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2998
2999 val = REG_RD(bp, reg_offset);
3000 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3001 REG_WR(bp, reg_offset, val);
3002
3003 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
3004 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
3005 bnx2x_panic();
3006 }
3007 }
3008
3009 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3010 {
3011 u32 val;
3012
3013 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
3014
3015 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3016 BNX2X_ERR("DB hw attention 0x%x\n", val);
3017 /* DORQ discard attention */
3018 if (val & 0x2)
3019 BNX2X_ERR("FATAL error from DORQ\n");
3020 }
3021
3022 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3023
3024 int port = BP_PORT(bp);
3025 int reg_offset;
3026
3027 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3028 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3029
3030 val = REG_RD(bp, reg_offset);
3031 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3032 REG_WR(bp, reg_offset, val);
3033
3034 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
3035 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
3036 bnx2x_panic();
3037 }
3038 }
3039
3040 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3041 {
3042 u32 val;
3043
3044 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3045
3046 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3047 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3048 /* CFC error attention */
3049 if (val & 0x2)
3050 BNX2X_ERR("FATAL error from CFC\n");
3051 }
3052
3053 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3054
3055 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3056 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3057 /* RQ_USDMDP_FIFO_OVERFLOW */
3058 if (val & 0x18000)
3059 BNX2X_ERR("FATAL error from PXP\n");
3060 if (CHIP_IS_E2(bp)) {
3061 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3062 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3063 }
3064 }
3065
3066 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3067
3068 int port = BP_PORT(bp);
3069 int reg_offset;
3070
3071 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3072 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3073
3074 val = REG_RD(bp, reg_offset);
3075 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3076 REG_WR(bp, reg_offset, val);
3077
3078 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
3079 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
3080 bnx2x_panic();
3081 }
3082 }
3083
3084 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3085 {
3086 u32 val;
3087
3088 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3089
3090 if (attn & BNX2X_PMF_LINK_ASSERT) {
3091 int func = BP_FUNC(bp);
3092
3093 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
3094 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3095 func_mf_config[BP_ABS_FUNC(bp)].config);
3096 val = SHMEM_RD(bp,
3097 func_mb[BP_FW_MB_IDX(bp)].drv_status);
3098 if (val & DRV_STATUS_DCC_EVENT_MASK)
3099 bnx2x_dcc_event(bp,
3100 (val & DRV_STATUS_DCC_EVENT_MASK));
3101
3102 if (val & DRV_STATUS_SET_MF_BW)
3103 bnx2x_set_mf_bw(bp);
3104
3105 bnx2x__link_status_update(bp);
3106 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
3107 bnx2x_pmf_update(bp);
3108
3109 if (bp->port.pmf &&
3110 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3111 bp->dcbx_enabled > 0)
3112 /* start dcbx state machine */
3113 bnx2x_dcbx_set_params(bp,
3114 BNX2X_DCBX_STATE_NEG_RECEIVED);
3115 } else if (attn & BNX2X_MC_ASSERT_BITS) {
3116
3117 BNX2X_ERR("MC assert!\n");
3118 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3119 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3120 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3121 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3122 bnx2x_panic();
3123
3124 } else if (attn & BNX2X_MCP_ASSERT) {
3125
3126 BNX2X_ERR("MCP assert!\n");
3127 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
3128 bnx2x_fw_dump(bp);
3129
3130 } else
3131 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3132 }
3133
3134 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
3135 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3136 if (attn & BNX2X_GRC_TIMEOUT) {
3137 val = CHIP_IS_E1(bp) ? 0 :
3138 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
3139 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3140 }
3141 if (attn & BNX2X_GRC_RSV) {
3142 val = CHIP_IS_E1(bp) ? 0 :
3143 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
3144 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3145 }
3146 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
3147 }
3148 }
3149
3150 #define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3151 #define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3152 #define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3153 #define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3154 #define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
3155 #define CHIP_PARITY_SUPPORTED(bp) (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp))
3156
3157 /*
3158 * should be run under rtnl lock
3159 */
3160 static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3161 {
3162 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3163 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3164 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3165 barrier();
3166 mmiowb();
3167 }
3168
3169 /*
3170 * should be run under rtnl lock
3171 */
3172 static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3173 {
3174 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3175 val |= (1 << 16);
3176 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3177 barrier();
3178 mmiowb();
3179 }
3180
3181 /*
3182 * should be run under rtnl lock
3183 */
3184 bool bnx2x_reset_is_done(struct bnx2x *bp)
3185 {
3186 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3187 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3188 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3189 }
3190
3191 /*
3192 * should be run under rtnl lock
3193 */
3194 inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
3195 {
3196 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3197
3198 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3199
3200 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3201 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3202 barrier();
3203 mmiowb();
3204 }
3205
3206 /*
3207 * should be run under rtnl lock
3208 */
3209 u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
3210 {
3211 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3212
3213 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3214
3215 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3216 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3217 barrier();
3218 mmiowb();
3219
3220 return val1;
3221 }
3222
3223 /*
3224 * should be run under rtnl lock
3225 */
3226 static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3227 {
3228 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3229 }
3230
3231 static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3232 {
3233 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3234 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3235 }
3236
3237 static inline void _print_next_block(int idx, const char *blk)
3238 {
3239 if (idx)
3240 pr_cont(", ");
3241 pr_cont("%s", blk);
3242 }
3243
3244 static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3245 {
3246 int i = 0;
3247 u32 cur_bit = 0;
3248 for (i = 0; sig; i++) {
3249 cur_bit = ((u32)0x1 << i);
3250 if (sig & cur_bit) {
3251 switch (cur_bit) {
3252 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3253 _print_next_block(par_num++, "BRB");
3254 break;
3255 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3256 _print_next_block(par_num++, "PARSER");
3257 break;
3258 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3259 _print_next_block(par_num++, "TSDM");
3260 break;
3261 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3262 _print_next_block(par_num++, "SEARCHER");
3263 break;
3264 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3265 _print_next_block(par_num++, "TSEMI");
3266 break;
3267 }
3268
3269 /* Clear the bit */
3270 sig &= ~cur_bit;
3271 }
3272 }
3273
3274 return par_num;
3275 }
3276
3277 static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3278 {
3279 int i = 0;
3280 u32 cur_bit = 0;
3281 for (i = 0; sig; i++) {
3282 cur_bit = ((u32)0x1 << i);
3283 if (sig & cur_bit) {
3284 switch (cur_bit) {
3285 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3286 _print_next_block(par_num++, "PBCLIENT");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3289 _print_next_block(par_num++, "QM");
3290 break;
3291 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3292 _print_next_block(par_num++, "XSDM");
3293 break;
3294 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3295 _print_next_block(par_num++, "XSEMI");
3296 break;
3297 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3298 _print_next_block(par_num++, "DOORBELLQ");
3299 break;
3300 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3301 _print_next_block(par_num++, "VAUX PCI CORE");
3302 break;
3303 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3304 _print_next_block(par_num++, "DEBUG");
3305 break;
3306 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3307 _print_next_block(par_num++, "USDM");
3308 break;
3309 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3310 _print_next_block(par_num++, "USEMI");
3311 break;
3312 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3313 _print_next_block(par_num++, "UPB");
3314 break;
3315 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3316 _print_next_block(par_num++, "CSDM");
3317 break;
3318 }
3319
3320 /* Clear the bit */
3321 sig &= ~cur_bit;
3322 }
3323 }
3324
3325 return par_num;
3326 }
3327
3328 static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3329 {
3330 int i = 0;
3331 u32 cur_bit = 0;
3332 for (i = 0; sig; i++) {
3333 cur_bit = ((u32)0x1 << i);
3334 if (sig & cur_bit) {
3335 switch (cur_bit) {
3336 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3337 _print_next_block(par_num++, "CSEMI");
3338 break;
3339 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3340 _print_next_block(par_num++, "PXP");
3341 break;
3342 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3343 _print_next_block(par_num++,
3344 "PXPPCICLOCKCLIENT");
3345 break;
3346 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3347 _print_next_block(par_num++, "CFC");
3348 break;
3349 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3350 _print_next_block(par_num++, "CDU");
3351 break;
3352 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3353 _print_next_block(par_num++, "IGU");
3354 break;
3355 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3356 _print_next_block(par_num++, "MISC");
3357 break;
3358 }
3359
3360 /* Clear the bit */
3361 sig &= ~cur_bit;
3362 }
3363 }
3364
3365 return par_num;
3366 }
3367
3368 static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3369 {
3370 int i = 0;
3371 u32 cur_bit = 0;
3372 for (i = 0; sig; i++) {
3373 cur_bit = ((u32)0x1 << i);
3374 if (sig & cur_bit) {
3375 switch (cur_bit) {
3376 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3377 _print_next_block(par_num++, "MCP ROM");
3378 break;
3379 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3380 _print_next_block(par_num++, "MCP UMP RX");
3381 break;
3382 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3383 _print_next_block(par_num++, "MCP UMP TX");
3384 break;
3385 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3386 _print_next_block(par_num++, "MCP SCPAD");
3387 break;
3388 }
3389
3390 /* Clear the bit */
3391 sig &= ~cur_bit;
3392 }
3393 }
3394
3395 return par_num;
3396 }
3397
3398 static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3399 u32 sig2, u32 sig3)
3400 {
3401 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3402 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3403 int par_num = 0;
3404 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3405 "[0]:0x%08x [1]:0x%08x "
3406 "[2]:0x%08x [3]:0x%08x\n",
3407 sig0 & HW_PRTY_ASSERT_SET_0,
3408 sig1 & HW_PRTY_ASSERT_SET_1,
3409 sig2 & HW_PRTY_ASSERT_SET_2,
3410 sig3 & HW_PRTY_ASSERT_SET_3);
3411 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3412 bp->dev->name);
3413 par_num = bnx2x_print_blocks_with_parity0(
3414 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3415 par_num = bnx2x_print_blocks_with_parity1(
3416 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3417 par_num = bnx2x_print_blocks_with_parity2(
3418 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3419 par_num = bnx2x_print_blocks_with_parity3(
3420 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3421 printk("\n");
3422 return true;
3423 } else
3424 return false;
3425 }
3426
3427 bool bnx2x_chk_parity_attn(struct bnx2x *bp)
3428 {
3429 struct attn_route attn;
3430 int port = BP_PORT(bp);
3431
3432 attn.sig[0] = REG_RD(bp,
3433 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3434 port*4);
3435 attn.sig[1] = REG_RD(bp,
3436 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3437 port*4);
3438 attn.sig[2] = REG_RD(bp,
3439 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3440 port*4);
3441 attn.sig[3] = REG_RD(bp,
3442 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3443 port*4);
3444
3445 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3446 attn.sig[3]);
3447 }
3448
3449
3450 static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3451 {
3452 u32 val;
3453 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3454
3455 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3456 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3457 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3458 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3459 "ADDRESS_ERROR\n");
3460 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3461 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3462 "INCORRECT_RCV_BEHAVIOR\n");
3463 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3464 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3465 "WAS_ERROR_ATTN\n");
3466 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3467 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3468 "VF_LENGTH_VIOLATION_ATTN\n");
3469 if (val &
3470 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3471 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3472 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3473 if (val &
3474 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "TCPL_ERROR_ATTN\n");
3480 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3481 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3482 "TCPL_IN_TWO_RCBS_ATTN\n");
3483 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3484 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3485 "CSSNOOP_FIFO_OVERFLOW\n");
3486 }
3487 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3488 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3489 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3490 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3491 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3492 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3493 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3494 "_ATC_TCPL_TO_NOT_PEND\n");
3495 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3496 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3497 "ATC_GPA_MULTIPLE_HITS\n");
3498 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3499 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3500 "ATC_RCPL_TO_EMPTY_CNT\n");
3501 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3502 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3503 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3504 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3505 "ATC_IREQ_LESS_THAN_STU\n");
3506 }
3507
3508 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3509 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3510 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3511 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3512 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3513 }
3514
3515 }
3516
3517 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3518 {
3519 struct attn_route attn, *group_mask;
3520 int port = BP_PORT(bp);
3521 int index;
3522 u32 reg_addr;
3523 u32 val;
3524 u32 aeu_mask;
3525
3526 /* need to take HW lock because MCP or other port might also
3527 try to handle this event */
3528 bnx2x_acquire_alr(bp);
3529
3530 if (bnx2x_chk_parity_attn(bp)) {
3531 bp->recovery_state = BNX2X_RECOVERY_INIT;
3532 bnx2x_set_reset_in_progress(bp);
3533 schedule_delayed_work(&bp->reset_task, 0);
3534 /* Disable HW interrupts */
3535 bnx2x_int_disable(bp);
3536 bnx2x_release_alr(bp);
3537 /* In case of parity errors don't handle attentions so that
3538 * other function would "see" parity errors.
3539 */
3540 return;
3541 }
3542
3543 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3544 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3545 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3546 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
3547 if (CHIP_IS_E2(bp))
3548 attn.sig[4] =
3549 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3550 else
3551 attn.sig[4] = 0;
3552
3553 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3554 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
3555
3556 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3557 if (deasserted & (1 << index)) {
3558 group_mask = &bp->attn_group[index];
3559
3560 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3561 "%08x %08x %08x\n",
3562 index,
3563 group_mask->sig[0], group_mask->sig[1],
3564 group_mask->sig[2], group_mask->sig[3],
3565 group_mask->sig[4]);
3566
3567 bnx2x_attn_int_deasserted4(bp,
3568 attn.sig[4] & group_mask->sig[4]);
3569 bnx2x_attn_int_deasserted3(bp,
3570 attn.sig[3] & group_mask->sig[3]);
3571 bnx2x_attn_int_deasserted1(bp,
3572 attn.sig[1] & group_mask->sig[1]);
3573 bnx2x_attn_int_deasserted2(bp,
3574 attn.sig[2] & group_mask->sig[2]);
3575 bnx2x_attn_int_deasserted0(bp,
3576 attn.sig[0] & group_mask->sig[0]);
3577 }
3578 }
3579
3580 bnx2x_release_alr(bp);
3581
3582 if (bp->common.int_block == INT_BLOCK_HC)
3583 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3584 COMMAND_REG_ATTN_BITS_CLR);
3585 else
3586 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
3587
3588 val = ~deasserted;
3589 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3590 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3591 REG_WR(bp, reg_addr, val);
3592
3593 if (~bp->attn_state & deasserted)
3594 BNX2X_ERR("IGU ERROR\n");
3595
3596 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3597 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3598
3599 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3600 aeu_mask = REG_RD(bp, reg_addr);
3601
3602 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3603 aeu_mask, deasserted);
3604 aeu_mask |= (deasserted & 0x3ff);
3605 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3606
3607 REG_WR(bp, reg_addr, aeu_mask);
3608 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3609
3610 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3611 bp->attn_state &= ~deasserted;
3612 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3613 }
3614
3615 static void bnx2x_attn_int(struct bnx2x *bp)
3616 {
3617 /* read local copy of bits */
3618 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3619 attn_bits);
3620 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3621 attn_bits_ack);
3622 u32 attn_state = bp->attn_state;
3623
3624 /* look for changed bits */
3625 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3626 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3627
3628 DP(NETIF_MSG_HW,
3629 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3630 attn_bits, attn_ack, asserted, deasserted);
3631
3632 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
3633 BNX2X_ERR("BAD attention state\n");
3634
3635 /* handle bits that were raised */
3636 if (asserted)
3637 bnx2x_attn_int_asserted(bp, asserted);
3638
3639 if (deasserted)
3640 bnx2x_attn_int_deasserted(bp, deasserted);
3641 }
3642
3643 static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3644 {
3645 /* No memory barriers */
3646 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3647 mmiowb(); /* keep prod updates ordered */
3648 }
3649
3650 #ifdef BCM_CNIC
3651 static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3652 union event_ring_elem *elem)
3653 {
3654 if (!bp->cnic_eth_dev.starting_cid ||
3655 cid < bp->cnic_eth_dev.starting_cid)
3656 return 1;
3657
3658 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3659
3660 if (unlikely(elem->message.data.cfc_del_event.error)) {
3661 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3662 cid);
3663 bnx2x_panic_dump(bp);
3664 }
3665 bnx2x_cnic_cfc_comp(bp, cid);
3666 return 0;
3667 }
3668 #endif
3669
3670 static void bnx2x_eq_int(struct bnx2x *bp)
3671 {
3672 u16 hw_cons, sw_cons, sw_prod;
3673 union event_ring_elem *elem;
3674 u32 cid;
3675 u8 opcode;
3676 int spqe_cnt = 0;
3677
3678 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3679
3680 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3681 * when we get the the next-page we nned to adjust so the loop
3682 * condition below will be met. The next element is the size of a
3683 * regular element and hence incrementing by 1
3684 */
3685 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3686 hw_cons++;
3687
3688 /* This function may never run in parralel with itself for a
3689 * specific bp, thus there is no need in "paired" read memory
3690 * barrier here.
3691 */
3692 sw_cons = bp->eq_cons;
3693 sw_prod = bp->eq_prod;
3694
3695 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->spq_left %u\n",
3696 hw_cons, sw_cons, atomic_read(&bp->spq_left));
3697
3698 for (; sw_cons != hw_cons;
3699 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3700
3701
3702 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3703
3704 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3705 opcode = elem->message.opcode;
3706
3707
3708 /* handle eq element */
3709 switch (opcode) {
3710 case EVENT_RING_OPCODE_STAT_QUERY:
3711 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3712 /* nothing to do with stats comp */
3713 continue;
3714
3715 case EVENT_RING_OPCODE_CFC_DEL:
3716 /* handle according to cid range */
3717 /*
3718 * we may want to verify here that the bp state is
3719 * HALTING
3720 */
3721 DP(NETIF_MSG_IFDOWN,
3722 "got delete ramrod for MULTI[%d]\n", cid);
3723 #ifdef BCM_CNIC
3724 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3725 goto next_spqe;
3726 if (cid == BNX2X_FCOE_ETH_CID)
3727 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3728 else
3729 #endif
3730 bnx2x_fp(bp, cid, state) =
3731 BNX2X_FP_STATE_CLOSED;
3732
3733 goto next_spqe;
3734
3735 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3736 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3737 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3738 goto next_spqe;
3739 case EVENT_RING_OPCODE_START_TRAFFIC:
3740 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3741 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3742 goto next_spqe;
3743 }
3744
3745 switch (opcode | bp->state) {
3746 case (EVENT_RING_OPCODE_FUNCTION_START |
3747 BNX2X_STATE_OPENING_WAIT4_PORT):
3748 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3749 bp->state = BNX2X_STATE_FUNC_STARTED;
3750 break;
3751
3752 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3753 BNX2X_STATE_CLOSING_WAIT4_HALT):
3754 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3755 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3756 break;
3757
3758 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3759 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3760 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3761 bp->set_mac_pending = 0;
3762 break;
3763
3764 case (EVENT_RING_OPCODE_SET_MAC |
3765 BNX2X_STATE_CLOSING_WAIT4_HALT):
3766 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3767 bp->set_mac_pending = 0;
3768 break;
3769 default:
3770 /* unknown event log error and continue */
3771 BNX2X_ERR("Unknown EQ event %d\n",
3772 elem->message.opcode);
3773 }
3774 next_spqe:
3775 spqe_cnt++;
3776 } /* for */
3777
3778 smp_mb__before_atomic_inc();
3779 atomic_add(spqe_cnt, &bp->spq_left);
3780
3781 bp->eq_cons = sw_cons;
3782 bp->eq_prod = sw_prod;
3783 /* Make sure that above mem writes were issued towards the memory */
3784 smp_wmb();
3785
3786 /* update producer */
3787 bnx2x_update_eq_prod(bp, bp->eq_prod);
3788 }
3789
3790 static void bnx2x_sp_task(struct work_struct *work)
3791 {
3792 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
3793 u16 status;
3794
3795 /* Return here if interrupt is disabled */
3796 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3797 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
3798 return;
3799 }
3800
3801 status = bnx2x_update_dsb_idx(bp);
3802 /* if (status == 0) */
3803 /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
3804
3805 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
3806
3807 /* HW attentions */
3808 if (status & BNX2X_DEF_SB_ATT_IDX) {
3809 bnx2x_attn_int(bp);
3810 status &= ~BNX2X_DEF_SB_ATT_IDX;
3811 }
3812
3813 /* SP events: STAT_QUERY and others */
3814 if (status & BNX2X_DEF_SB_IDX) {
3815 #ifdef BCM_CNIC
3816 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
3817
3818 if ((!NO_FCOE(bp)) &&
3819 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3820 napi_schedule(&bnx2x_fcoe(bp, napi));
3821 #endif
3822 /* Handle EQ completions */
3823 bnx2x_eq_int(bp);
3824
3825 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3826 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3827
3828 status &= ~BNX2X_DEF_SB_IDX;
3829 }
3830
3831 if (unlikely(status))
3832 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3833 status);
3834
3835 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3836 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
3837 }
3838
3839 irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
3840 {
3841 struct net_device *dev = dev_instance;
3842 struct bnx2x *bp = netdev_priv(dev);
3843
3844 /* Return here if interrupt is disabled */
3845 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3846 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
3847 return IRQ_HANDLED;
3848 }
3849
3850 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3851 IGU_INT_DISABLE, 0);
3852
3853 #ifdef BNX2X_STOP_ON_ERROR
3854 if (unlikely(bp->panic))
3855 return IRQ_HANDLED;
3856 #endif
3857
3858 #ifdef BCM_CNIC
3859 {
3860 struct cnic_ops *c_ops;
3861
3862 rcu_read_lock();
3863 c_ops = rcu_dereference(bp->cnic_ops);
3864 if (c_ops)
3865 c_ops->cnic_handler(bp->cnic_data, NULL);
3866 rcu_read_unlock();
3867 }
3868 #endif
3869 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
3870
3871 return IRQ_HANDLED;
3872 }
3873
3874 /* end of slow path */
3875
3876 static void bnx2x_timer(unsigned long data)
3877 {
3878 struct bnx2x *bp = (struct bnx2x *) data;
3879
3880 if (!netif_running(bp->dev))
3881 return;
3882
3883 if (atomic_read(&bp->intr_sem) != 0)
3884 goto timer_restart;
3885
3886 if (poll) {
3887 struct bnx2x_fastpath *fp = &bp->fp[0];
3888 int rc;
3889
3890 bnx2x_tx_int(fp);
3891 rc = bnx2x_rx_int(fp, 1000);
3892 }
3893
3894 if (!BP_NOMCP(bp)) {
3895 int mb_idx = BP_FW_MB_IDX(bp);
3896 u32 drv_pulse;
3897 u32 mcp_pulse;
3898
3899 ++bp->fw_drv_pulse_wr_seq;
3900 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3901 /* TBD - add SYSTEM_TIME */
3902 drv_pulse = bp->fw_drv_pulse_wr_seq;
3903 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
3904
3905 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
3906 MCP_PULSE_SEQ_MASK);
3907 /* The delta between driver pulse and mcp response
3908 * should be 1 (before mcp response) or 0 (after mcp response)
3909 */
3910 if ((drv_pulse != mcp_pulse) &&
3911 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3912 /* someone lost a heartbeat... */
3913 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3914 drv_pulse, mcp_pulse);
3915 }
3916 }
3917
3918 if (bp->state == BNX2X_STATE_OPEN)
3919 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3920
3921 timer_restart:
3922 mod_timer(&bp->timer, jiffies + bp->current_interval);
3923 }
3924
3925 /* end of Statistics */
3926
3927 /* nic init */
3928
3929 /*
3930 * nic init service functions
3931 */
3932
3933 static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
3934 {
3935 u32 i;
3936 if (!(len%4) && !(addr%4))
3937 for (i = 0; i < len; i += 4)
3938 REG_WR(bp, addr + i, fill);
3939 else
3940 for (i = 0; i < len; i++)
3941 REG_WR8(bp, addr + i, fill);
3942
3943 }
3944
3945 /* helper: writes FP SP data to FW - data_size in dwords */
3946 static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3947 int fw_sb_id,
3948 u32 *sb_data_p,
3949 u32 data_size)
3950 {
3951 int index;
3952 for (index = 0; index < data_size; index++)
3953 REG_WR(bp, BAR_CSTRORM_INTMEM +
3954 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3955 sizeof(u32)*index,
3956 *(sb_data_p + index));
3957 }
3958
3959 static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3960 {
3961 u32 *sb_data_p;
3962 u32 data_size = 0;
3963 struct hc_status_block_data_e2 sb_data_e2;
3964 struct hc_status_block_data_e1x sb_data_e1x;
3965
3966 /* disable the function first */
3967 if (CHIP_IS_E2(bp)) {
3968 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3969 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3970 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3971 sb_data_e2.common.p_func.vf_valid = false;
3972 sb_data_p = (u32 *)&sb_data_e2;
3973 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3974 } else {
3975 memset(&sb_data_e1x, 0,
3976 sizeof(struct hc_status_block_data_e1x));
3977 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3978 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3979 sb_data_e1x.common.p_func.vf_valid = false;
3980 sb_data_p = (u32 *)&sb_data_e1x;
3981 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3982 }
3983 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3984
3985 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3986 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3987 CSTORM_STATUS_BLOCK_SIZE);
3988 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3989 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3990 CSTORM_SYNC_BLOCK_SIZE);
3991 }
3992
3993 /* helper: writes SP SB data to FW */
3994 static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3995 struct hc_sp_status_block_data *sp_sb_data)
3996 {
3997 int func = BP_FUNC(bp);
3998 int i;
3999 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4000 REG_WR(bp, BAR_CSTRORM_INTMEM +
4001 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4002 i*sizeof(u32),
4003 *((u32 *)sp_sb_data + i));
4004 }
4005
4006 static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4007 {
4008 int func = BP_FUNC(bp);
4009 struct hc_sp_status_block_data sp_sb_data;
4010 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4011
4012 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4013 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4014 sp_sb_data.p_func.vf_valid = false;
4015
4016 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4017
4018 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4019 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4020 CSTORM_SP_STATUS_BLOCK_SIZE);
4021 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4022 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4023 CSTORM_SP_SYNC_BLOCK_SIZE);
4024
4025 }
4026
4027
4028 static inline
4029 void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4030 int igu_sb_id, int igu_seg_id)
4031 {
4032 hc_sm->igu_sb_id = igu_sb_id;
4033 hc_sm->igu_seg_id = igu_seg_id;
4034 hc_sm->timer_value = 0xFF;
4035 hc_sm->time_to_expire = 0xFFFFFFFF;
4036 }
4037
4038 static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
4039 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4040 {
4041 int igu_seg_id;
4042
4043 struct hc_status_block_data_e2 sb_data_e2;
4044 struct hc_status_block_data_e1x sb_data_e1x;
4045 struct hc_status_block_sm *hc_sm_p;
4046 struct hc_index_data *hc_index_p;
4047 int data_size;
4048 u32 *sb_data_p;
4049
4050 if (CHIP_INT_MODE_IS_BC(bp))
4051 igu_seg_id = HC_SEG_ACCESS_NORM;
4052 else
4053 igu_seg_id = IGU_SEG_ACCESS_NORM;
4054
4055 bnx2x_zero_fp_sb(bp, fw_sb_id);
4056
4057 if (CHIP_IS_E2(bp)) {
4058 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4059 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4060 sb_data_e2.common.p_func.vf_id = vfid;
4061 sb_data_e2.common.p_func.vf_valid = vf_valid;
4062 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4063 sb_data_e2.common.same_igu_sb_1b = true;
4064 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4065 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4066 hc_sm_p = sb_data_e2.common.state_machine;
4067 hc_index_p = sb_data_e2.index_data;
4068 sb_data_p = (u32 *)&sb_data_e2;
4069 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4070 } else {
4071 memset(&sb_data_e1x, 0,
4072 sizeof(struct hc_status_block_data_e1x));
4073 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4074 sb_data_e1x.common.p_func.vf_id = 0xff;
4075 sb_data_e1x.common.p_func.vf_valid = false;
4076 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4077 sb_data_e1x.common.same_igu_sb_1b = true;
4078 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4079 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4080 hc_sm_p = sb_data_e1x.common.state_machine;
4081 hc_index_p = sb_data_e1x.index_data;
4082 sb_data_p = (u32 *)&sb_data_e1x;
4083 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4084 }
4085
4086 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4087 igu_sb_id, igu_seg_id);
4088 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4089 igu_sb_id, igu_seg_id);
4090
4091 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4092
4093 /* write indecies to HW */
4094 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4095 }
4096
4097 static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4098 u8 sb_index, u8 disable, u16 usec)
4099 {
4100 int port = BP_PORT(bp);
4101 u8 ticks = usec / BNX2X_BTR;
4102
4103 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4104
4105 disable = disable ? 1 : (usec ? 0 : 1);
4106 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4107 }
4108
4109 static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4110 u16 tx_usec, u16 rx_usec)
4111 {
4112 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4113 false, rx_usec);
4114 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4115 false, tx_usec);
4116 }
4117
4118 static void bnx2x_init_def_sb(struct bnx2x *bp)
4119 {
4120 struct host_sp_status_block *def_sb = bp->def_status_blk;
4121 dma_addr_t mapping = bp->def_status_blk_mapping;
4122 int igu_sp_sb_index;
4123 int igu_seg_id;
4124 int port = BP_PORT(bp);
4125 int func = BP_FUNC(bp);
4126 int reg_offset;
4127 u64 section;
4128 int index;
4129 struct hc_sp_status_block_data sp_sb_data;
4130 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4131
4132 if (CHIP_INT_MODE_IS_BC(bp)) {
4133 igu_sp_sb_index = DEF_SB_IGU_ID;
4134 igu_seg_id = HC_SEG_ACCESS_DEF;
4135 } else {
4136 igu_sp_sb_index = bp->igu_dsb_id;
4137 igu_seg_id = IGU_SEG_ACCESS_DEF;
4138 }
4139
4140 /* ATTN */
4141 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4142 atten_status_block);
4143 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
4144
4145 bp->attn_state = 0;
4146
4147 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4148 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4149 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4150 int sindex;
4151 /* take care of sig[0]..sig[4] */
4152 for (sindex = 0; sindex < 4; sindex++)
4153 bp->attn_group[index].sig[sindex] =
4154 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
4155
4156 if (CHIP_IS_E2(bp))
4157 /*
4158 * enable5 is separate from the rest of the registers,
4159 * and therefore the address skip is 4
4160 * and not 16 between the different groups
4161 */
4162 bp->attn_group[index].sig[4] = REG_RD(bp,
4163 reg_offset + 0x10 + 0x4*index);
4164 else
4165 bp->attn_group[index].sig[4] = 0;
4166 }
4167
4168 if (bp->common.int_block == INT_BLOCK_HC) {
4169 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4170 HC_REG_ATTN_MSG0_ADDR_L);
4171
4172 REG_WR(bp, reg_offset, U64_LO(section));
4173 REG_WR(bp, reg_offset + 4, U64_HI(section));
4174 } else if (CHIP_IS_E2(bp)) {
4175 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4176 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4177 }
4178
4179 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4180 sp_sb);
4181
4182 bnx2x_zero_sp_sb(bp);
4183
4184 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4185 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4186 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4187 sp_sb_data.igu_seg_id = igu_seg_id;
4188 sp_sb_data.p_func.pf_id = func;
4189 sp_sb_data.p_func.vnic_id = BP_VN(bp);
4190 sp_sb_data.p_func.vf_id = 0xff;
4191
4192 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4193
4194 bp->stats_pending = 0;
4195 bp->set_mac_pending = 0;
4196
4197 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
4198 }
4199
4200 void bnx2x_update_coalesce(struct bnx2x *bp)
4201 {
4202 int i;
4203
4204 for_each_eth_queue(bp, i)
4205 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4206 bp->rx_ticks, bp->tx_ticks);
4207 }
4208
4209 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4210 {
4211 spin_lock_init(&bp->spq_lock);
4212 atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
4213
4214 bp->spq_prod_idx = 0;
4215 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4216 bp->spq_prod_bd = bp->spq;
4217 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4218 }
4219
4220 static void bnx2x_init_eq_ring(struct bnx2x *bp)
4221 {
4222 int i;
4223 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4224 union event_ring_elem *elem =
4225 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
4226
4227 elem->next_page.addr.hi =
4228 cpu_to_le32(U64_HI(bp->eq_mapping +
4229 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4230 elem->next_page.addr.lo =
4231 cpu_to_le32(U64_LO(bp->eq_mapping +
4232 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
4233 }
4234 bp->eq_cons = 0;
4235 bp->eq_prod = NUM_EQ_DESC;
4236 bp->eq_cons_sb = BNX2X_EQ_INDEX;
4237 }
4238
4239 static void bnx2x_init_ind_table(struct bnx2x *bp)
4240 {
4241 int func = BP_FUNC(bp);
4242 int i;
4243
4244 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
4245 return;
4246
4247 DP(NETIF_MSG_IFUP,
4248 "Initializing indirection table multi_mode %d\n", bp->multi_mode);
4249 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4250 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4251 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4252 bp->fp->cl_id + (i % (bp->num_queues -
4253 NONE_ETH_CONTEXT_USE)));
4254 }
4255
4256 void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4257 {
4258 int mode = bp->rx_mode;
4259 int port = BP_PORT(bp);
4260 u16 cl_id;
4261 u32 def_q_filters = 0;
4262
4263 /* All but management unicast packets should pass to the host as well */
4264 u32 llh_mask =
4265 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4266 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4267 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4268 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
4269
4270 switch (mode) {
4271 case BNX2X_RX_MODE_NONE: /* no Rx */
4272 def_q_filters = BNX2X_ACCEPT_NONE;
4273 #ifdef BCM_CNIC
4274 if (!NO_FCOE(bp)) {
4275 cl_id = bnx2x_fcoe(bp, cl_id);
4276 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4277 }
4278 #endif
4279 break;
4280
4281 case BNX2X_RX_MODE_NORMAL:
4282 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4283 BNX2X_ACCEPT_MULTICAST;
4284 #ifdef BCM_CNIC
4285 cl_id = bnx2x_fcoe(bp, cl_id);
4286 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4287 BNX2X_ACCEPT_MULTICAST);
4288 #endif
4289 break;
4290
4291 case BNX2X_RX_MODE_ALLMULTI:
4292 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4293 BNX2X_ACCEPT_ALL_MULTICAST;
4294 #ifdef BCM_CNIC
4295 cl_id = bnx2x_fcoe(bp, cl_id);
4296 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4297 BNX2X_ACCEPT_MULTICAST);
4298 #endif
4299 break;
4300
4301 case BNX2X_RX_MODE_PROMISC:
4302 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4303 #ifdef BCM_CNIC
4304 cl_id = bnx2x_fcoe(bp, cl_id);
4305 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4306 BNX2X_ACCEPT_MULTICAST);
4307 #endif
4308 /* pass management unicast packets as well */
4309 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
4310 break;
4311
4312 default:
4313 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4314 break;
4315 }
4316
4317 cl_id = BP_L_ID(bp);
4318 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4319
4320 REG_WR(bp,
4321 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4322 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
4323
4324 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4325 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
4326 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4327 "unmatched_ucast 0x%x\n", mode,
4328 bp->mac_filters.ucast_drop_all,
4329 bp->mac_filters.mcast_drop_all,
4330 bp->mac_filters.bcast_drop_all,
4331 bp->mac_filters.ucast_accept_all,
4332 bp->mac_filters.mcast_accept_all,
4333 bp->mac_filters.bcast_accept_all,
4334 bp->mac_filters.unmatched_unicast
4335 );
4336
4337 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
4338 }
4339
4340 static void bnx2x_init_internal_common(struct bnx2x *bp)
4341 {
4342 int i;
4343
4344 if (!CHIP_IS_E1(bp)) {
4345
4346 /* xstorm needs to know whether to add ovlan to packets or not,
4347 * in switch-independent we'll write 0 to here... */
4348 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4349 bp->mf_mode);
4350 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4351 bp->mf_mode);
4352 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4353 bp->mf_mode);
4354 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4355 bp->mf_mode);
4356 }
4357
4358 if (IS_MF_SI(bp))
4359 /*
4360 * In switch independent mode, the TSTORM needs to accept
4361 * packets that failed classification, since approximate match
4362 * mac addresses aren't written to NIG LLH
4363 */
4364 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4365 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4366
4367 /* Zero this manually as its initialization is
4368 currently missing in the initTool */
4369 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4370 REG_WR(bp, BAR_USTRORM_INTMEM +
4371 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4372 if (CHIP_IS_E2(bp)) {
4373 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4374 CHIP_INT_MODE_IS_BC(bp) ?
4375 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4376 }
4377 }
4378
4379 static void bnx2x_init_internal_port(struct bnx2x *bp)
4380 {
4381 /* port */
4382 bnx2x_dcb_init_intmem_pfc(bp);
4383 }
4384
4385 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4386 {
4387 switch (load_code) {
4388 case FW_MSG_CODE_DRV_LOAD_COMMON:
4389 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4390 bnx2x_init_internal_common(bp);
4391 /* no break */
4392
4393 case FW_MSG_CODE_DRV_LOAD_PORT:
4394 bnx2x_init_internal_port(bp);
4395 /* no break */
4396
4397 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4398 /* internal memory per function is
4399 initialized inside bnx2x_pf_init */
4400 break;
4401
4402 default:
4403 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4404 break;
4405 }
4406 }
4407
4408 static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4409 {
4410 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4411
4412 fp->state = BNX2X_FP_STATE_CLOSED;
4413
4414 fp->index = fp->cid = fp_idx;
4415 fp->cl_id = BP_L_ID(bp) + fp_idx;
4416 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4417 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4418 /* qZone id equals to FW (per path) client id */
4419 fp->cl_qzone_id = fp->cl_id +
4420 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4421 ETH_MAX_RX_CLIENTS_E1H);
4422 /* init shortcut */
4423 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4424 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4425 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4426 /* Setup SB indicies */
4427 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4428 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4429
4430 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4431 "cl_id %d fw_sb %d igu_sb %d\n",
4432 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4433 fp->igu_sb_id);
4434 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4435 fp->fw_sb_id, fp->igu_sb_id);
4436
4437 bnx2x_update_fpsb_idx(fp);
4438 }
4439
4440 void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4441 {
4442 int i;
4443
4444 for_each_eth_queue(bp, i)
4445 bnx2x_init_fp_sb(bp, i);
4446 #ifdef BCM_CNIC
4447 if (!NO_FCOE(bp))
4448 bnx2x_init_fcoe_fp(bp);
4449
4450 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4451 BNX2X_VF_ID_INVALID, false,
4452 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4453
4454 #endif
4455
4456 /* ensure status block indices were read */
4457 rmb();
4458
4459 bnx2x_init_def_sb(bp);
4460 bnx2x_update_dsb_idx(bp);
4461 bnx2x_init_rx_rings(bp);
4462 bnx2x_init_tx_rings(bp);
4463 bnx2x_init_sp_ring(bp);
4464 bnx2x_init_eq_ring(bp);
4465 bnx2x_init_internal(bp, load_code);
4466 bnx2x_pf_init(bp);
4467 bnx2x_init_ind_table(bp);
4468 bnx2x_stats_init(bp);
4469
4470 /* At this point, we are ready for interrupts */
4471 atomic_set(&bp->intr_sem, 0);
4472
4473 /* flush all before enabling interrupts */
4474 mb();
4475 mmiowb();
4476
4477 bnx2x_int_enable(bp);
4478
4479 /* Check for SPIO5 */
4480 bnx2x_attn_int_deasserted0(bp,
4481 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4482 AEU_INPUTS_ATTN_BITS_SPIO5);
4483 }
4484
4485 /* end of nic init */
4486
4487 /*
4488 * gzip service functions
4489 */
4490
4491 static int bnx2x_gunzip_init(struct bnx2x *bp)
4492 {
4493 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4494 &bp->gunzip_mapping, GFP_KERNEL);
4495 if (bp->gunzip_buf == NULL)
4496 goto gunzip_nomem1;
4497
4498 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4499 if (bp->strm == NULL)
4500 goto gunzip_nomem2;
4501
4502 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4503 GFP_KERNEL);
4504 if (bp->strm->workspace == NULL)
4505 goto gunzip_nomem3;
4506
4507 return 0;
4508
4509 gunzip_nomem3:
4510 kfree(bp->strm);
4511 bp->strm = NULL;
4512
4513 gunzip_nomem2:
4514 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4515 bp->gunzip_mapping);
4516 bp->gunzip_buf = NULL;
4517
4518 gunzip_nomem1:
4519 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4520 " un-compression\n");
4521 return -ENOMEM;
4522 }
4523
4524 static void bnx2x_gunzip_end(struct bnx2x *bp)
4525 {
4526 kfree(bp->strm->workspace);
4527 kfree(bp->strm);
4528 bp->strm = NULL;
4529
4530 if (bp->gunzip_buf) {
4531 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4532 bp->gunzip_mapping);
4533 bp->gunzip_buf = NULL;
4534 }
4535 }
4536
4537 static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
4538 {
4539 int n, rc;
4540
4541 /* check gzip header */
4542 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4543 BNX2X_ERR("Bad gzip header\n");
4544 return -EINVAL;
4545 }
4546
4547 n = 10;
4548
4549 #define FNAME 0x8
4550
4551 if (zbuf[3] & FNAME)
4552 while ((zbuf[n++] != 0) && (n < len));
4553
4554 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
4555 bp->strm->avail_in = len - n;
4556 bp->strm->next_out = bp->gunzip_buf;
4557 bp->strm->avail_out = FW_BUF_SIZE;
4558
4559 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4560 if (rc != Z_OK)
4561 return rc;
4562
4563 rc = zlib_inflate(bp->strm, Z_FINISH);
4564 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4565 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4566 bp->strm->msg);
4567
4568 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4569 if (bp->gunzip_outlen & 0x3)
4570 netdev_err(bp->dev, "Firmware decompression error:"
4571 " gunzip_outlen (%d) not aligned\n",
4572 bp->gunzip_outlen);
4573 bp->gunzip_outlen >>= 2;
4574
4575 zlib_inflateEnd(bp->strm);
4576
4577 if (rc == Z_STREAM_END)
4578 return 0;
4579
4580 return rc;
4581 }
4582
4583 /* nic load/unload */
4584
4585 /*
4586 * General service functions
4587 */
4588
4589 /* send a NIG loopback debug packet */
4590 static void bnx2x_lb_pckt(struct bnx2x *bp)
4591 {
4592 u32 wb_write[3];
4593
4594 /* Ethernet source and destination addresses */
4595 wb_write[0] = 0x55555555;
4596 wb_write[1] = 0x55555555;
4597 wb_write[2] = 0x20; /* SOP */
4598 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4599
4600 /* NON-IP protocol */
4601 wb_write[0] = 0x09000000;
4602 wb_write[1] = 0x55555555;
4603 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
4604 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4605 }
4606
4607 /* some of the internal memories
4608 * are not directly readable from the driver
4609 * to test them we send debug packets
4610 */
4611 static int bnx2x_int_mem_test(struct bnx2x *bp)
4612 {
4613 int factor;
4614 int count, i;
4615 u32 val = 0;
4616
4617 if (CHIP_REV_IS_FPGA(bp))
4618 factor = 120;
4619 else if (CHIP_REV_IS_EMUL(bp))
4620 factor = 200;
4621 else
4622 factor = 1;
4623
4624 /* Disable inputs of parser neighbor blocks */
4625 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4626 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4627 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4628 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4629
4630 /* Write 0 to parser credits for CFC search request */
4631 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4632
4633 /* send Ethernet packet */
4634 bnx2x_lb_pckt(bp);
4635
4636 /* TODO do i reset NIG statistic? */
4637 /* Wait until NIG register shows 1 packet of size 0x10 */
4638 count = 1000 * factor;
4639 while (count) {
4640
4641 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4642 val = *bnx2x_sp(bp, wb_data[0]);
4643 if (val == 0x10)
4644 break;
4645
4646 msleep(10);
4647 count--;
4648 }
4649 if (val != 0x10) {
4650 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4651 return -1;
4652 }
4653
4654 /* Wait until PRS register shows 1 packet */
4655 count = 1000 * factor;
4656 while (count) {
4657 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4658 if (val == 1)
4659 break;
4660
4661 msleep(10);
4662 count--;
4663 }
4664 if (val != 0x1) {
4665 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4666 return -2;
4667 }
4668
4669 /* Reset and init BRB, PRS */
4670 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4671 msleep(50);
4672 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4673 msleep(50);
4674 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4675 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4676
4677 DP(NETIF_MSG_HW, "part2\n");
4678
4679 /* Disable inputs of parser neighbor blocks */
4680 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4681 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4682 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4683 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4684
4685 /* Write 0 to parser credits for CFC search request */
4686 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4687
4688 /* send 10 Ethernet packets */
4689 for (i = 0; i < 10; i++)
4690 bnx2x_lb_pckt(bp);
4691
4692 /* Wait until NIG register shows 10 + 1
4693 packets of size 11*0x10 = 0xb0 */
4694 count = 1000 * factor;
4695 while (count) {
4696
4697 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4698 val = *bnx2x_sp(bp, wb_data[0]);
4699 if (val == 0xb0)
4700 break;
4701
4702 msleep(10);
4703 count--;
4704 }
4705 if (val != 0xb0) {
4706 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4707 return -3;
4708 }
4709
4710 /* Wait until PRS register shows 2 packets */
4711 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4712 if (val != 2)
4713 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4714
4715 /* Write 1 to parser credits for CFC search request */
4716 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4717
4718 /* Wait until PRS register shows 3 packets */
4719 msleep(10 * factor);
4720 /* Wait until NIG register shows 1 packet of size 0x10 */
4721 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4722 if (val != 3)
4723 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4724
4725 /* clear NIG EOP FIFO */
4726 for (i = 0; i < 11; i++)
4727 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4728 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4729 if (val != 1) {
4730 BNX2X_ERR("clear of NIG failed\n");
4731 return -4;
4732 }
4733
4734 /* Reset and init BRB, PRS, NIG */
4735 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4736 msleep(50);
4737 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4738 msleep(50);
4739 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4740 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4741 #ifndef BCM_CNIC
4742 /* set NIC mode */
4743 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4744 #endif
4745
4746 /* Enable inputs of parser neighbor blocks */
4747 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4748 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4749 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
4750 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
4751
4752 DP(NETIF_MSG_HW, "done\n");
4753
4754 return 0; /* OK */
4755 }
4756
4757 static void enable_blocks_attention(struct bnx2x *bp)
4758 {
4759 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
4760 if (CHIP_IS_E2(bp))
4761 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4762 else
4763 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
4764 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4765 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
4766 /*
4767 * mask read length error interrupts in brb for parser
4768 * (parsing unit and 'checksum and crc' unit)
4769 * these errors are legal (PU reads fixed length and CAC can cause
4770 * read length error on truncated packets)
4771 */
4772 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
4773 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4774 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4775 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4776 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4777 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
4778 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4779 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
4780 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4781 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4782 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
4783 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4784 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
4785 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4786 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4787 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4788 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
4789 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4790 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
4791
4792 if (CHIP_REV_IS_FPGA(bp))
4793 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
4794 else if (CHIP_IS_E2(bp))
4795 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4796 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4797 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4798 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4799 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4800 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
4801 else
4802 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
4803 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4804 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4805 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
4806 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4807 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
4808 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4809 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4810 /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4811 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
4812 }
4813
4814 static const struct {
4815 u32 addr;
4816 u32 mask;
4817 } bnx2x_parity_mask[] = {
4818 {PXP_REG_PXP_PRTY_MASK, 0x3ffffff},
4819 {PXP2_REG_PXP2_PRTY_MASK_0, 0xffffffff},
4820 {PXP2_REG_PXP2_PRTY_MASK_1, 0x7f},
4821 {HC_REG_HC_PRTY_MASK, 0x7},
4822 {MISC_REG_MISC_PRTY_MASK, 0x1},
4823 {QM_REG_QM_PRTY_MASK, 0x0},
4824 {DORQ_REG_DORQ_PRTY_MASK, 0x0},
4825 {GRCBASE_UPB + PB_REG_PB_PRTY_MASK, 0x0},
4826 {GRCBASE_XPB + PB_REG_PB_PRTY_MASK, 0x0},
4827 {SRC_REG_SRC_PRTY_MASK, 0x4}, /* bit 2 */
4828 {CDU_REG_CDU_PRTY_MASK, 0x0},
4829 {CFC_REG_CFC_PRTY_MASK, 0x0},
4830 {DBG_REG_DBG_PRTY_MASK, 0x0},
4831 {DMAE_REG_DMAE_PRTY_MASK, 0x0},
4832 {BRB1_REG_BRB1_PRTY_MASK, 0x0},
4833 {PRS_REG_PRS_PRTY_MASK, (1<<6)},/* bit 6 */
4834 {TSDM_REG_TSDM_PRTY_MASK, 0x18}, /* bit 3,4 */
4835 {CSDM_REG_CSDM_PRTY_MASK, 0x8}, /* bit 3 */
4836 {USDM_REG_USDM_PRTY_MASK, 0x38}, /* bit 3,4,5 */
4837 {XSDM_REG_XSDM_PRTY_MASK, 0x8}, /* bit 3 */
4838 {TSEM_REG_TSEM_PRTY_MASK_0, 0x0},
4839 {TSEM_REG_TSEM_PRTY_MASK_1, 0x0},
4840 {USEM_REG_USEM_PRTY_MASK_0, 0x0},
4841 {USEM_REG_USEM_PRTY_MASK_1, 0x0},
4842 {CSEM_REG_CSEM_PRTY_MASK_0, 0x0},
4843 {CSEM_REG_CSEM_PRTY_MASK_1, 0x0},
4844 {XSEM_REG_XSEM_PRTY_MASK_0, 0x0},
4845 {XSEM_REG_XSEM_PRTY_MASK_1, 0x0}
4846 };
4847
4848 static void enable_blocks_parity(struct bnx2x *bp)
4849 {
4850 int i;
4851
4852 for (i = 0; i < ARRAY_SIZE(bnx2x_parity_mask); i++)
4853 REG_WR(bp, bnx2x_parity_mask[i].addr,
4854 bnx2x_parity_mask[i].mask);
4855 }
4856
4857
4858 static void bnx2x_reset_common(struct bnx2x *bp)
4859 {
4860 /* reset_common */
4861 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4862 0xd3ffff7f);
4863 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4864 }
4865
4866 static void bnx2x_init_pxp(struct bnx2x *bp)
4867 {
4868 u16 devctl;
4869 int r_order, w_order;
4870
4871 pci_read_config_word(bp->pdev,
4872 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4873 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4874 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4875 if (bp->mrrs == -1)
4876 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4877 else {
4878 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4879 r_order = bp->mrrs;
4880 }
4881
4882 bnx2x_init_pxp_arb(bp, r_order, w_order);
4883 }
4884
4885 static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4886 {
4887 int is_required;
4888 u32 val;
4889 int port;
4890
4891 if (BP_NOMCP(bp))
4892 return;
4893
4894 is_required = 0;
4895 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4896 SHARED_HW_CFG_FAN_FAILURE_MASK;
4897
4898 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4899 is_required = 1;
4900
4901 /*
4902 * The fan failure mechanism is usually related to the PHY type since
4903 * the power consumption of the board is affected by the PHY. Currently,
4904 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4905 */
4906 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4907 for (port = PORT_0; port < PORT_MAX; port++) {
4908 is_required |=
4909 bnx2x_fan_failure_det_req(
4910 bp,
4911 bp->common.shmem_base,
4912 bp->common.shmem2_base,
4913 port);
4914 }
4915
4916 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4917
4918 if (is_required == 0)
4919 return;
4920
4921 /* Fan failure is indicated by SPIO 5 */
4922 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4923 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4924
4925 /* set to active low mode */
4926 val = REG_RD(bp, MISC_REG_SPIO_INT);
4927 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
4928 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
4929 REG_WR(bp, MISC_REG_SPIO_INT, val);
4930
4931 /* enable interrupt to signal the IGU */
4932 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4933 val |= (1 << MISC_REGISTERS_SPIO_5);
4934 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4935 }
4936
4937 static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4938 {
4939 u32 offset = 0;
4940
4941 if (CHIP_IS_E1(bp))
4942 return;
4943 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4944 return;
4945
4946 switch (BP_ABS_FUNC(bp)) {
4947 case 0:
4948 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4949 break;
4950 case 1:
4951 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4952 break;
4953 case 2:
4954 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4955 break;
4956 case 3:
4957 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4958 break;
4959 case 4:
4960 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4961 break;
4962 case 5:
4963 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4964 break;
4965 case 6:
4966 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4967 break;
4968 case 7:
4969 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4970 break;
4971 default:
4972 return;
4973 }
4974
4975 REG_WR(bp, offset, pretend_func_num);
4976 REG_RD(bp, offset);
4977 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4978 }
4979
4980 static void bnx2x_pf_disable(struct bnx2x *bp)
4981 {
4982 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4983 val &= ~IGU_PF_CONF_FUNC_EN;
4984
4985 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4986 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4987 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4988 }
4989
4990 static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
4991 {
4992 u32 val, i;
4993
4994 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
4995
4996 bnx2x_reset_common(bp);
4997 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4998 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4999
5000 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
5001 if (!CHIP_IS_E1(bp))
5002 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
5003
5004 if (CHIP_IS_E2(bp)) {
5005 u8 fid;
5006
5007 /**
5008 * 4-port mode or 2-port mode we need to turn of master-enable
5009 * for everyone, after that, turn it back on for self.
5010 * so, we disregard multi-function or not, and always disable
5011 * for all functions on the given path, this means 0,2,4,6 for
5012 * path 0 and 1,3,5,7 for path 1
5013 */
5014 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5015 if (fid == BP_ABS_FUNC(bp)) {
5016 REG_WR(bp,
5017 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5018 1);
5019 continue;
5020 }
5021
5022 bnx2x_pretend_func(bp, fid);
5023 /* clear pf enable */
5024 bnx2x_pf_disable(bp);
5025 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5026 }
5027 }
5028
5029 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
5030 if (CHIP_IS_E1(bp)) {
5031 /* enable HW interrupt from PXP on USDM overflow
5032 bit 16 on INT_MASK_0 */
5033 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5034 }
5035
5036 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
5037 bnx2x_init_pxp(bp);
5038
5039 #ifdef __BIG_ENDIAN
5040 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5041 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5042 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5043 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5044 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5045 /* make sure this value is 0 */
5046 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
5047
5048 /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5049 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5050 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5051 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5052 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5053 #endif
5054
5055 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5056
5057 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5058 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5059
5060 /* let the HW do it's magic ... */
5061 msleep(100);
5062 /* finish PXP init */
5063 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5064 if (val != 1) {
5065 BNX2X_ERR("PXP2 CFG failed\n");
5066 return -EBUSY;
5067 }
5068 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5069 if (val != 1) {
5070 BNX2X_ERR("PXP2 RD_INIT failed\n");
5071 return -EBUSY;
5072 }
5073
5074 /* Timers bug workaround E2 only. We need to set the entire ILT to
5075 * have entries with value "0" and valid bit on.
5076 * This needs to be done by the first PF that is loaded in a path
5077 * (i.e. common phase)
5078 */
5079 if (CHIP_IS_E2(bp)) {
5080 struct ilt_client_info ilt_cli;
5081 struct bnx2x_ilt ilt;
5082 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5083 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5084
5085 /* initalize dummy TM client */
5086 ilt_cli.start = 0;
5087 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5088 ilt_cli.client_num = ILT_CLIENT_TM;
5089
5090 /* Step 1: set zeroes to all ilt page entries with valid bit on
5091 * Step 2: set the timers first/last ilt entry to point
5092 * to the entire range to prevent ILT range error for 3rd/4th
5093 * vnic (this code assumes existance of the vnic)
5094 *
5095 * both steps performed by call to bnx2x_ilt_client_init_op()
5096 * with dummy TM client
5097 *
5098 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5099 * and his brother are split registers
5100 */
5101 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5102 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5103 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5104
5105 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5106 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5107 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5108 }
5109
5110
5111 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5112 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5113
5114 if (CHIP_IS_E2(bp)) {
5115 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5116 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5117 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5118
5119 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5120
5121 /* let the HW do it's magic ... */
5122 do {
5123 msleep(200);
5124 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5125 } while (factor-- && (val != 1));
5126
5127 if (val != 1) {
5128 BNX2X_ERR("ATC_INIT failed\n");
5129 return -EBUSY;
5130 }
5131 }
5132
5133 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
5134
5135 /* clean the DMAE memory */
5136 bp->dmae_ready = 1;
5137 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5138
5139 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5140 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5141 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5142 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
5143
5144 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5145 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5146 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5147 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5148
5149 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5150
5151 if (CHIP_MODE_IS_4_PORT(bp))
5152 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
5153
5154 /* QM queues pointers table */
5155 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
5156
5157 /* soft reset pulse */
5158 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5159 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5160
5161 #ifdef BCM_CNIC
5162 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
5163 #endif
5164
5165 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5166 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5167
5168 if (!CHIP_REV_IS_SLOW(bp)) {
5169 /* enable hw interrupt from doorbell Q */
5170 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5171 }
5172
5173 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
5174 if (CHIP_MODE_IS_4_PORT(bp)) {
5175 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5176 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5177 }
5178
5179 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5180 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5181 #ifndef BCM_CNIC
5182 /* set NIC mode */
5183 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5184 #endif
5185 if (!CHIP_IS_E1(bp))
5186 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
5187
5188 if (CHIP_IS_E2(bp)) {
5189 /* Bit-map indicating which L2 hdrs may appear after the
5190 basic Ethernet header */
5191 int has_ovlan = IS_MF_SD(bp);
5192 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5193 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5194 }
5195
5196 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5197 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5198 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5199 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
5200
5201 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5202 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5203 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5204 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5205
5206 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5207 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5208 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5209 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
5210
5211 if (CHIP_MODE_IS_4_PORT(bp))
5212 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5213
5214 /* sync semi rtc */
5215 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5216 0x80000000);
5217 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5218 0x80000000);
5219
5220 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5221 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5222 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
5223
5224 if (CHIP_IS_E2(bp)) {
5225 int has_ovlan = IS_MF_SD(bp);
5226 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5227 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5228 }
5229
5230 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5231 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5232 REG_WR(bp, i, random32());
5233
5234 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5235 #ifdef BCM_CNIC
5236 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5237 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5238 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5239 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5240 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5241 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5242 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5243 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5244 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5245 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5246 #endif
5247 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5248
5249 if (sizeof(union cdu_context) != 1024)
5250 /* we currently assume that a context is 1024 bytes */
5251 dev_alert(&bp->pdev->dev, "please adjust the size "
5252 "of cdu_context(%ld)\n",
5253 (long)sizeof(union cdu_context));
5254
5255 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5256 val = (4 << 24) + (0 << 12) + 1024;
5257 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5258
5259 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5260 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5261 /* enable context validation interrupt from CFC */
5262 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5263
5264 /* set the thresholds to prevent CFC/CDU race */
5265 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
5266
5267 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
5268
5269 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5270 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5271
5272 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5273 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
5274
5275 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5276 /* Reset PCIE errors for debug */
5277 REG_WR(bp, 0x2814, 0xffffffff);
5278 REG_WR(bp, 0x3820, 0xffffffff);
5279
5280 if (CHIP_IS_E2(bp)) {
5281 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5282 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5283 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5284 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5285 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5286 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5287 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5288 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5289 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5290 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5291 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5292 }
5293
5294 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
5295 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
5296 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
5297 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
5298
5299 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
5300 if (!CHIP_IS_E1(bp)) {
5301 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
5302 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
5303 }
5304 if (CHIP_IS_E2(bp)) {
5305 /* Bit-map indicating which L2 hdrs may appear after the
5306 basic Ethernet header */
5307 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
5308 }
5309
5310 if (CHIP_REV_IS_SLOW(bp))
5311 msleep(200);
5312
5313 /* finish CFC init */
5314 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5315 if (val != 1) {
5316 BNX2X_ERR("CFC LL_INIT failed\n");
5317 return -EBUSY;
5318 }
5319 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5320 if (val != 1) {
5321 BNX2X_ERR("CFC AC_INIT failed\n");
5322 return -EBUSY;
5323 }
5324 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5325 if (val != 1) {
5326 BNX2X_ERR("CFC CAM_INIT failed\n");
5327 return -EBUSY;
5328 }
5329 REG_WR(bp, CFC_REG_DEBUG0, 0);
5330
5331 if (CHIP_IS_E1(bp)) {
5332 /* read NIG statistic
5333 to see if this is our first up since powerup */
5334 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5335 val = *bnx2x_sp(bp, wb_data[0]);
5336
5337 /* do internal memory self test */
5338 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5339 BNX2X_ERR("internal mem self test failed\n");
5340 return -EBUSY;
5341 }
5342 }
5343
5344 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
5345 bp->common.shmem_base,
5346 bp->common.shmem2_base);
5347
5348 bnx2x_setup_fan_failure_detection(bp);
5349
5350 /* clear PXP2 attentions */
5351 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5352
5353 enable_blocks_attention(bp);
5354 if (CHIP_PARITY_SUPPORTED(bp))
5355 enable_blocks_parity(bp);
5356
5357 if (!BP_NOMCP(bp)) {
5358 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5359 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5360 CHIP_IS_E1x(bp)) {
5361 u32 shmem_base[2], shmem2_base[2];
5362 shmem_base[0] = bp->common.shmem_base;
5363 shmem2_base[0] = bp->common.shmem2_base;
5364 if (CHIP_IS_E2(bp)) {
5365 shmem_base[1] =
5366 SHMEM2_RD(bp, other_shmem_base_addr);
5367 shmem2_base[1] =
5368 SHMEM2_RD(bp, other_shmem2_base_addr);
5369 }
5370 bnx2x_acquire_phy_lock(bp);
5371 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5372 bp->common.chip_id);
5373 bnx2x_release_phy_lock(bp);
5374 }
5375 } else
5376 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5377
5378 return 0;
5379 }
5380
5381 static int bnx2x_init_hw_port(struct bnx2x *bp)
5382 {
5383 int port = BP_PORT(bp);
5384 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5385 u32 low, high;
5386 u32 val;
5387
5388 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
5389
5390 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5391
5392 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
5393 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
5394
5395 /* Timers bug workaround: disables the pf_master bit in pglue at
5396 * common phase, we need to enable it here before any dmae access are
5397 * attempted. Therefore we manually added the enable-master to the
5398 * port phase (it also happens in the function phase)
5399 */
5400 if (CHIP_IS_E2(bp))
5401 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5402
5403 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5404 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5405 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5406 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
5407
5408 /* QM cid (connection) count */
5409 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
5410
5411 #ifdef BCM_CNIC
5412 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5413 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5414 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
5415 #endif
5416
5417 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5418
5419 if (CHIP_MODE_IS_4_PORT(bp))
5420 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
5421
5422 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5423 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5424 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5425 /* no pause for emulation and FPGA */
5426 low = 0;
5427 high = 513;
5428 } else {
5429 if (IS_MF(bp))
5430 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5431 else if (bp->dev->mtu > 4096) {
5432 if (bp->flags & ONE_PORT_FLAG)
5433 low = 160;
5434 else {
5435 val = bp->dev->mtu;
5436 /* (24*1024 + val*4)/256 */
5437 low = 96 + (val/64) +
5438 ((val % 64) ? 1 : 0);
5439 }
5440 } else
5441 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5442 high = low + 56; /* 14*1024/256 */
5443 }
5444 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5445 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5446 }
5447
5448 if (CHIP_MODE_IS_4_PORT(bp)) {
5449 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5450 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5451 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5452 BRB1_REG_MAC_GUARANTIED_0), 40);
5453 }
5454
5455 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
5456
5457 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
5458 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
5459 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
5460 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
5461
5462 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5463 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5464 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5465 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
5466 if (CHIP_MODE_IS_4_PORT(bp))
5467 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
5468
5469 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
5470 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5471
5472 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
5473
5474 if (!CHIP_IS_E2(bp)) {
5475 /* configure PBF to work without PAUSE mtu 9000 */
5476 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5477
5478 /* update threshold */
5479 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5480 /* update init credit */
5481 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5482
5483 /* probe changes */
5484 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5485 udelay(50);
5486 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5487 }
5488
5489 #ifdef BCM_CNIC
5490 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
5491 #endif
5492 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
5493 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5494
5495 if (CHIP_IS_E1(bp)) {
5496 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5497 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5498 }
5499 bnx2x_init_block(bp, HC_BLOCK, init_stage);
5500
5501 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5502
5503 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5504 /* init aeu_mask_attn_func_0/1:
5505 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5506 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5507 * bits 4-7 are used for "per vn group attention" */
5508 val = IS_MF(bp) ? 0xF7 : 0x7;
5509 /* Enable DCBX attention for all but E1 */
5510 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5511 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
5512
5513 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
5514 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
5515 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
5516 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
5517 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
5518
5519 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5520
5521 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5522
5523 if (!CHIP_IS_E1(bp)) {
5524 /* 0x2 disable mf_ov, 0x1 enable */
5525 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5526 (IS_MF_SD(bp) ? 0x1 : 0x2));
5527
5528 if (CHIP_IS_E2(bp)) {
5529 val = 0;
5530 switch (bp->mf_mode) {
5531 case MULTI_FUNCTION_SD:
5532 val = 1;
5533 break;
5534 case MULTI_FUNCTION_SI:
5535 val = 2;
5536 break;
5537 }
5538
5539 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5540 NIG_REG_LLH0_CLS_TYPE), val);
5541 }
5542 {
5543 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5544 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5545 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5546 }
5547 }
5548
5549 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
5550 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5551 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
5552 bp->common.shmem_base,
5553 bp->common.shmem2_base);
5554 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
5555 bp->common.shmem2_base, port)) {
5556 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5557 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5558 val = REG_RD(bp, reg_addr);
5559 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5560 REG_WR(bp, reg_addr, val);
5561 }
5562 bnx2x__link_reset(bp);
5563
5564 return 0;
5565 }
5566
5567 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5568 {
5569 int reg;
5570
5571 if (CHIP_IS_E1(bp))
5572 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5573 else
5574 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5575
5576 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5577 }
5578
5579 static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5580 {
5581 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5582 }
5583
5584 static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5585 {
5586 u32 i, base = FUNC_ILT_BASE(func);
5587 for (i = base; i < base + ILT_PER_FUNC; i++)
5588 bnx2x_ilt_wr(bp, i, 0);
5589 }
5590
5591 static int bnx2x_init_hw_func(struct bnx2x *bp)
5592 {
5593 int port = BP_PORT(bp);
5594 int func = BP_FUNC(bp);
5595 struct bnx2x_ilt *ilt = BP_ILT(bp);
5596 u16 cdu_ilt_start;
5597 u32 addr, val;
5598 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5599 int i, main_mem_width;
5600
5601 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
5602
5603 /* set MSI reconfigure capability */
5604 if (bp->common.int_block == INT_BLOCK_HC) {
5605 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5606 val = REG_RD(bp, addr);
5607 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5608 REG_WR(bp, addr, val);
5609 }
5610
5611 ilt = BP_ILT(bp);
5612 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5613
5614 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5615 ilt->lines[cdu_ilt_start + i].page =
5616 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5617 ilt->lines[cdu_ilt_start + i].page_mapping =
5618 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5619 /* cdu ilt pages are allocated manually so there's no need to
5620 set the size */
5621 }
5622 bnx2x_ilt_init_op(bp, INITOP_SET);
5623
5624 #ifdef BCM_CNIC
5625 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5626
5627 /* T1 hash bits value determines the T1 number of entries */
5628 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
5629 #endif
5630
5631 #ifndef BCM_CNIC
5632 /* set NIC mode */
5633 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5634 #endif /* BCM_CNIC */
5635
5636 if (CHIP_IS_E2(bp)) {
5637 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5638
5639 /* Turn on a single ISR mode in IGU if driver is going to use
5640 * INT#x or MSI
5641 */
5642 if (!(bp->flags & USING_MSIX_FLAG))
5643 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5644 /*
5645 * Timers workaround bug: function init part.
5646 * Need to wait 20msec after initializing ILT,
5647 * needed to make sure there are no requests in
5648 * one of the PXP internal queues with "old" ILT addresses
5649 */
5650 msleep(20);
5651 /*
5652 * Master enable - Due to WB DMAE writes performed before this
5653 * register is re-initialized as part of the regular function
5654 * init
5655 */
5656 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5657 /* Enable the function in IGU */
5658 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5659 }
5660
5661 bp->dmae_ready = 1;
5662
5663 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5664
5665 if (CHIP_IS_E2(bp))
5666 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5667
5668 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5669 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5670 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5671 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5672 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5673 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5674 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5675 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5676 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5677
5678 if (CHIP_IS_E2(bp)) {
5679 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5680 BP_PATH(bp));
5681 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5682 BP_PATH(bp));
5683 }
5684
5685 if (CHIP_MODE_IS_4_PORT(bp))
5686 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5687
5688 if (CHIP_IS_E2(bp))
5689 REG_WR(bp, QM_REG_PF_EN, 1);
5690
5691 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
5692
5693 if (CHIP_MODE_IS_4_PORT(bp))
5694 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5695
5696 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5697 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5698 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5699 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5700 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5701 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5702 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5703 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5704 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5705 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5706 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
5707 if (CHIP_IS_E2(bp))
5708 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5709
5710 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5711
5712 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5713
5714 if (CHIP_IS_E2(bp))
5715 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5716
5717 if (IS_MF(bp)) {
5718 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5719 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5720 }
5721
5722 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5723
5724 /* HC init per function */
5725 if (bp->common.int_block == INT_BLOCK_HC) {
5726 if (CHIP_IS_E1H(bp)) {
5727 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5728
5729 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5730 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5731 }
5732 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5733
5734 } else {
5735 int num_segs, sb_idx, prod_offset;
5736
5737 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5738
5739 if (CHIP_IS_E2(bp)) {
5740 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5741 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5742 }
5743
5744 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5745
5746 if (CHIP_IS_E2(bp)) {
5747 int dsb_idx = 0;
5748 /**
5749 * Producer memory:
5750 * E2 mode: address 0-135 match to the mapping memory;
5751 * 136 - PF0 default prod; 137 - PF1 default prod;
5752 * 138 - PF2 default prod; 139 - PF3 default prod;
5753 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5754 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5755 * 144-147 reserved.
5756 *
5757 * E1.5 mode - In backward compatible mode;
5758 * for non default SB; each even line in the memory
5759 * holds the U producer and each odd line hold
5760 * the C producer. The first 128 producers are for
5761 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5762 * producers are for the DSB for each PF.
5763 * Each PF has five segments: (the order inside each
5764 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5765 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5766 * 144-147 attn prods;
5767 */
5768 /* non-default-status-blocks */
5769 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5770 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5771 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5772 prod_offset = (bp->igu_base_sb + sb_idx) *
5773 num_segs;
5774
5775 for (i = 0; i < num_segs; i++) {
5776 addr = IGU_REG_PROD_CONS_MEMORY +
5777 (prod_offset + i) * 4;
5778 REG_WR(bp, addr, 0);
5779 }
5780 /* send consumer update with value 0 */
5781 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5782 USTORM_ID, 0, IGU_INT_NOP, 1);
5783 bnx2x_igu_clear_sb(bp,
5784 bp->igu_base_sb + sb_idx);
5785 }
5786
5787 /* default-status-blocks */
5788 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5789 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5790
5791 if (CHIP_MODE_IS_4_PORT(bp))
5792 dsb_idx = BP_FUNC(bp);
5793 else
5794 dsb_idx = BP_E1HVN(bp);
5795
5796 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5797 IGU_BC_BASE_DSB_PROD + dsb_idx :
5798 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5799
5800 for (i = 0; i < (num_segs * E1HVN_MAX);
5801 i += E1HVN_MAX) {
5802 addr = IGU_REG_PROD_CONS_MEMORY +
5803 (prod_offset + i)*4;
5804 REG_WR(bp, addr, 0);
5805 }
5806 /* send consumer update with 0 */
5807 if (CHIP_INT_MODE_IS_BC(bp)) {
5808 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5809 USTORM_ID, 0, IGU_INT_NOP, 1);
5810 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5811 CSTORM_ID, 0, IGU_INT_NOP, 1);
5812 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5813 XSTORM_ID, 0, IGU_INT_NOP, 1);
5814 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5815 TSTORM_ID, 0, IGU_INT_NOP, 1);
5816 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5817 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5818 } else {
5819 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5820 USTORM_ID, 0, IGU_INT_NOP, 1);
5821 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5822 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5823 }
5824 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5825
5826 /* !!! these should become driver const once
5827 rf-tool supports split-68 const */
5828 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5829 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5830 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5831 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5832 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5833 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5834 }
5835 }
5836
5837 /* Reset PCIE errors for debug */
5838 REG_WR(bp, 0x2114, 0xffffffff);
5839 REG_WR(bp, 0x2120, 0xffffffff);
5840
5841 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5842 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5843 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5844 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5845 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5846 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5847
5848 if (CHIP_IS_E1x(bp)) {
5849 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5850 main_mem_base = HC_REG_MAIN_MEMORY +
5851 BP_PORT(bp) * (main_mem_size * 4);
5852 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5853 main_mem_width = 8;
5854
5855 val = REG_RD(bp, main_mem_prty_clr);
5856 if (val)
5857 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5858 "block during "
5859 "function init (0x%x)!\n", val);
5860
5861 /* Clear "false" parity errors in MSI-X table */
5862 for (i = main_mem_base;
5863 i < main_mem_base + main_mem_size * 4;
5864 i += main_mem_width) {
5865 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5866 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5867 i, main_mem_width / 4);
5868 }
5869 /* Clear HC parity attention */
5870 REG_RD(bp, main_mem_prty_clr);
5871 }
5872
5873 bnx2x_phy_probe(&bp->link_params);
5874
5875 return 0;
5876 }
5877
5878 int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5879 {
5880 int rc = 0;
5881
5882 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5883 BP_ABS_FUNC(bp), load_code);
5884
5885 bp->dmae_ready = 0;
5886 mutex_init(&bp->dmae_mutex);
5887 rc = bnx2x_gunzip_init(bp);
5888 if (rc)
5889 return rc;
5890
5891 switch (load_code) {
5892 case FW_MSG_CODE_DRV_LOAD_COMMON:
5893 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5894 rc = bnx2x_init_hw_common(bp, load_code);
5895 if (rc)
5896 goto init_hw_err;
5897 /* no break */
5898
5899 case FW_MSG_CODE_DRV_LOAD_PORT:
5900 rc = bnx2x_init_hw_port(bp);
5901 if (rc)
5902 goto init_hw_err;
5903 /* no break */
5904
5905 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5906 rc = bnx2x_init_hw_func(bp);
5907 if (rc)
5908 goto init_hw_err;
5909 break;
5910
5911 default:
5912 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5913 break;
5914 }
5915
5916 if (!BP_NOMCP(bp)) {
5917 int mb_idx = BP_FW_MB_IDX(bp);
5918
5919 bp->fw_drv_pulse_wr_seq =
5920 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
5921 DRV_PULSE_SEQ_MASK);
5922 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5923 }
5924
5925 init_hw_err:
5926 bnx2x_gunzip_end(bp);
5927
5928 return rc;
5929 }
5930
5931 void bnx2x_free_mem(struct bnx2x *bp)
5932 {
5933
5934 #define BNX2X_PCI_FREE(x, y, size) \
5935 do { \
5936 if (x) { \
5937 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
5938 x = NULL; \
5939 y = 0; \
5940 } \
5941 } while (0)
5942
5943 #define BNX2X_FREE(x) \
5944 do { \
5945 if (x) { \
5946 kfree((void *)x); \
5947 x = NULL; \
5948 } \
5949 } while (0)
5950
5951 int i;
5952
5953 /* fastpath */
5954 /* Common */
5955 for_each_queue(bp, i) {
5956 #ifdef BCM_CNIC
5957 /* FCoE client uses default status block */
5958 if (IS_FCOE_IDX(i)) {
5959 union host_hc_status_block *sb =
5960 &bnx2x_fp(bp, i, status_blk);
5961 memset(sb, 0, sizeof(union host_hc_status_block));
5962 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5963 } else {
5964 #endif
5965 /* status blocks */
5966 if (CHIP_IS_E2(bp))
5967 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5968 bnx2x_fp(bp, i, status_blk_mapping),
5969 sizeof(struct host_hc_status_block_e2));
5970 else
5971 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5972 bnx2x_fp(bp, i, status_blk_mapping),
5973 sizeof(struct host_hc_status_block_e1x));
5974 #ifdef BCM_CNIC
5975 }
5976 #endif
5977 }
5978 /* Rx */
5979 for_each_rx_queue(bp, i) {
5980
5981 /* fastpath rx rings: rx_buf rx_desc rx_comp */
5982 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5983 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5984 bnx2x_fp(bp, i, rx_desc_mapping),
5985 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5986
5987 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5988 bnx2x_fp(bp, i, rx_comp_mapping),
5989 sizeof(struct eth_fast_path_rx_cqe) *
5990 NUM_RCQ_BD);
5991
5992 /* SGE ring */
5993 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5994 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5995 bnx2x_fp(bp, i, rx_sge_mapping),
5996 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5997 }
5998 /* Tx */
5999 for_each_tx_queue(bp, i) {
6000
6001 /* fastpath tx rings: tx_buf tx_desc */
6002 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
6003 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
6004 bnx2x_fp(bp, i, tx_desc_mapping),
6005 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
6006 }
6007 /* end of fastpath */
6008
6009 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
6010 sizeof(struct host_sp_status_block));
6011
6012 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
6013 sizeof(struct bnx2x_slowpath));
6014
6015 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
6016 bp->context.size);
6017
6018 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
6019
6020 BNX2X_FREE(bp->ilt->lines);
6021
6022 #ifdef BCM_CNIC
6023 if (CHIP_IS_E2(bp))
6024 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
6025 sizeof(struct host_hc_status_block_e2));
6026 else
6027 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
6028 sizeof(struct host_hc_status_block_e1x));
6029
6030 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
6031 #endif
6032
6033 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
6034
6035 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
6036 BCM_PAGE_SIZE * NUM_EQ_PAGES);
6037
6038 #undef BNX2X_PCI_FREE
6039 #undef BNX2X_KFREE
6040 }
6041
6042 static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
6043 {
6044 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
6045 if (CHIP_IS_E2(bp)) {
6046 bnx2x_fp(bp, index, sb_index_values) =
6047 (__le16 *)status_blk.e2_sb->sb.index_values;
6048 bnx2x_fp(bp, index, sb_running_index) =
6049 (__le16 *)status_blk.e2_sb->sb.running_index;
6050 } else {
6051 bnx2x_fp(bp, index, sb_index_values) =
6052 (__le16 *)status_blk.e1x_sb->sb.index_values;
6053 bnx2x_fp(bp, index, sb_running_index) =
6054 (__le16 *)status_blk.e1x_sb->sb.running_index;
6055 }
6056 }
6057
6058 int bnx2x_alloc_mem(struct bnx2x *bp)
6059 {
6060 #define BNX2X_PCI_ALLOC(x, y, size) \
6061 do { \
6062 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
6063 if (x == NULL) \
6064 goto alloc_mem_err; \
6065 memset(x, 0, size); \
6066 } while (0)
6067
6068 #define BNX2X_ALLOC(x, size) \
6069 do { \
6070 x = kzalloc(size, GFP_KERNEL); \
6071 if (x == NULL) \
6072 goto alloc_mem_err; \
6073 } while (0)
6074
6075 int i;
6076
6077 /* fastpath */
6078 /* Common */
6079 for_each_queue(bp, i) {
6080 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
6081 bnx2x_fp(bp, i, bp) = bp;
6082 /* status blocks */
6083 #ifdef BCM_CNIC
6084 if (!IS_FCOE_IDX(i)) {
6085 #endif
6086 if (CHIP_IS_E2(bp))
6087 BNX2X_PCI_ALLOC(sb->e2_sb,
6088 &bnx2x_fp(bp, i, status_blk_mapping),
6089 sizeof(struct host_hc_status_block_e2));
6090 else
6091 BNX2X_PCI_ALLOC(sb->e1x_sb,
6092 &bnx2x_fp(bp, i, status_blk_mapping),
6093 sizeof(struct host_hc_status_block_e1x));
6094 #ifdef BCM_CNIC
6095 }
6096 #endif
6097 set_sb_shortcuts(bp, i);
6098 }
6099 /* Rx */
6100 for_each_queue(bp, i) {
6101
6102 /* fastpath rx rings: rx_buf rx_desc rx_comp */
6103 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6104 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6105 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6106 &bnx2x_fp(bp, i, rx_desc_mapping),
6107 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6108
6109 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6110 &bnx2x_fp(bp, i, rx_comp_mapping),
6111 sizeof(struct eth_fast_path_rx_cqe) *
6112 NUM_RCQ_BD);
6113
6114 /* SGE ring */
6115 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6116 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6117 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6118 &bnx2x_fp(bp, i, rx_sge_mapping),
6119 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
6120 }
6121 /* Tx */
6122 for_each_queue(bp, i) {
6123
6124 /* fastpath tx rings: tx_buf tx_desc */
6125 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6126 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6127 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6128 &bnx2x_fp(bp, i, tx_desc_mapping),
6129 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
6130 }
6131 /* end of fastpath */
6132
6133 #ifdef BCM_CNIC
6134 if (CHIP_IS_E2(bp))
6135 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6136 sizeof(struct host_hc_status_block_e2));
6137 else
6138 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6139 sizeof(struct host_hc_status_block_e1x));
6140
6141 /* allocate searcher T2 table */
6142 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6143 #endif
6144
6145
6146 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
6147 sizeof(struct host_sp_status_block));
6148
6149 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6150 sizeof(struct bnx2x_slowpath));
6151
6152 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
6153
6154 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6155 bp->context.size);
6156
6157 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
6158
6159 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6160 goto alloc_mem_err;
6161
6162 /* Slow path ring */
6163 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6164
6165 /* EQ */
6166 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6167 BCM_PAGE_SIZE * NUM_EQ_PAGES);
6168 return 0;
6169
6170 alloc_mem_err:
6171 bnx2x_free_mem(bp);
6172 return -ENOMEM;
6173
6174 #undef BNX2X_PCI_ALLOC
6175 #undef BNX2X_ALLOC
6176 }
6177
6178 /*
6179 * Init service functions
6180 */
6181 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6182 int *state_p, int flags);
6183
6184 int bnx2x_func_start(struct bnx2x *bp)
6185 {
6186 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
6187
6188 /* Wait for completion */
6189 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6190 WAIT_RAMROD_COMMON);
6191 }
6192
6193 static int bnx2x_func_stop(struct bnx2x *bp)
6194 {
6195 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
6196
6197 /* Wait for completion */
6198 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6199 0, &(bp->state), WAIT_RAMROD_COMMON);
6200 }
6201
6202 /**
6203 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
6204 *
6205 * @param bp driver descriptor
6206 * @param set set or clear an entry (1 or 0)
6207 * @param mac pointer to a buffer containing a MAC
6208 * @param cl_bit_vec bit vector of clients to register a MAC for
6209 * @param cam_offset offset in a CAM to use
6210 * @param is_bcast is the set MAC a broadcast address (for E1 only)
6211 */
6212 static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
6213 u32 cl_bit_vec, u8 cam_offset,
6214 u8 is_bcast)
6215 {
6216 struct mac_configuration_cmd *config =
6217 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6218 int ramrod_flags = WAIT_RAMROD_COMMON;
6219
6220 bp->set_mac_pending = 1;
6221 smp_wmb();
6222
6223 config->hdr.length = 1;
6224 config->hdr.offset = cam_offset;
6225 config->hdr.client_id = 0xff;
6226 config->hdr.reserved1 = 0;
6227
6228 /* primary MAC */
6229 config->config_table[0].msb_mac_addr =
6230 swab16(*(u16 *)&mac[0]);
6231 config->config_table[0].middle_mac_addr =
6232 swab16(*(u16 *)&mac[2]);
6233 config->config_table[0].lsb_mac_addr =
6234 swab16(*(u16 *)&mac[4]);
6235 config->config_table[0].clients_bit_vector =
6236 cpu_to_le32(cl_bit_vec);
6237 config->config_table[0].vlan_id = 0;
6238 config->config_table[0].pf_id = BP_FUNC(bp);
6239 if (set)
6240 SET_FLAG(config->config_table[0].flags,
6241 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6242 T_ETH_MAC_COMMAND_SET);
6243 else
6244 SET_FLAG(config->config_table[0].flags,
6245 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6246 T_ETH_MAC_COMMAND_INVALIDATE);
6247
6248 if (is_bcast)
6249 SET_FLAG(config->config_table[0].flags,
6250 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6251
6252 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
6253 (set ? "setting" : "clearing"),
6254 config->config_table[0].msb_mac_addr,
6255 config->config_table[0].middle_mac_addr,
6256 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6257
6258 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6259 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6260 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6261
6262 /* Wait for a completion */
6263 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
6264 }
6265
6266 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6267 int *state_p, int flags)
6268 {
6269 /* can take a while if any port is running */
6270 int cnt = 5000;
6271 u8 poll = flags & WAIT_RAMROD_POLL;
6272 u8 common = flags & WAIT_RAMROD_COMMON;
6273
6274 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6275 poll ? "polling" : "waiting", state, idx);
6276
6277 might_sleep();
6278 while (cnt--) {
6279 if (poll) {
6280 if (common)
6281 bnx2x_eq_int(bp);
6282 else {
6283 bnx2x_rx_int(bp->fp, 10);
6284 /* if index is different from 0
6285 * the reply for some commands will
6286 * be on the non default queue
6287 */
6288 if (idx)
6289 bnx2x_rx_int(&bp->fp[idx], 10);
6290 }
6291 }
6292
6293 mb(); /* state is changed by bnx2x_sp_event() */
6294 if (*state_p == state) {
6295 #ifdef BNX2X_STOP_ON_ERROR
6296 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6297 #endif
6298 return 0;
6299 }
6300
6301 msleep(1);
6302
6303 if (bp->panic)
6304 return -EIO;
6305 }
6306
6307 /* timeout! */
6308 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6309 poll ? "polling" : "waiting", state, idx);
6310 #ifdef BNX2X_STOP_ON_ERROR
6311 bnx2x_panic();
6312 #endif
6313
6314 return -EBUSY;
6315 }
6316
6317 static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6318 {
6319 if (CHIP_IS_E1H(bp))
6320 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6321 else if (CHIP_MODE_IS_4_PORT(bp))
6322 return BP_FUNC(bp) * 32 + rel_offset;
6323 else
6324 return BP_VN(bp) * 32 + rel_offset;
6325 }
6326
6327 /**
6328 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6329 * relevant. In addition, current implementation is tuned for a
6330 * single ETH MAC.
6331 *
6332 * When multiple unicast ETH MACs PF configuration in switch
6333 * independent mode is required (NetQ, multiple netdev MACs,
6334 * etc.), consider better utilisation of 16 per function MAC
6335 * entries in the LLH memory.
6336 */
6337 enum {
6338 LLH_CAM_ISCSI_ETH_LINE = 0,
6339 LLH_CAM_ETH_LINE,
6340 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6341 };
6342
6343 static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6344 int set,
6345 unsigned char *dev_addr,
6346 int index)
6347 {
6348 u32 wb_data[2];
6349 u32 mem_offset, ena_offset, mem_index;
6350 /**
6351 * indexes mapping:
6352 * 0..7 - goes to MEM
6353 * 8..15 - goes to MEM2
6354 */
6355
6356 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6357 return;
6358
6359 /* calculate memory start offset according to the mapping
6360 * and index in the memory */
6361 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6362 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6363 NIG_REG_LLH0_FUNC_MEM;
6364 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6365 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6366 mem_index = index;
6367 } else {
6368 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6369 NIG_REG_P0_LLH_FUNC_MEM2;
6370 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6371 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6372 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6373 }
6374
6375 if (set) {
6376 /* LLH_FUNC_MEM is a u64 WB register */
6377 mem_offset += 8*mem_index;
6378
6379 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6380 (dev_addr[4] << 8) | dev_addr[5]);
6381 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6382
6383 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6384 }
6385
6386 /* enable/disable the entry */
6387 REG_WR(bp, ena_offset + 4*mem_index, set);
6388
6389 }
6390
6391 void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
6392 {
6393 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6394 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6395
6396 /* networking MAC */
6397 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6398 (1 << bp->fp->cl_id), cam_offset , 0);
6399
6400 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6401
6402 if (CHIP_IS_E1(bp)) {
6403 /* broadcast MAC */
6404 static const u8 bcast[ETH_ALEN] = {
6405 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6406 };
6407 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6408 }
6409 }
6410 static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
6411 {
6412 int i = 0, old;
6413 struct net_device *dev = bp->dev;
6414 struct netdev_hw_addr *ha;
6415 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6416 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6417
6418 netdev_for_each_mc_addr(ha, dev) {
6419 /* copy mac */
6420 config_cmd->config_table[i].msb_mac_addr =
6421 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6422 config_cmd->config_table[i].middle_mac_addr =
6423 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6424 config_cmd->config_table[i].lsb_mac_addr =
6425 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6426
6427 config_cmd->config_table[i].vlan_id = 0;
6428 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6429 config_cmd->config_table[i].clients_bit_vector =
6430 cpu_to_le32(1 << BP_L_ID(bp));
6431
6432 SET_FLAG(config_cmd->config_table[i].flags,
6433 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6434 T_ETH_MAC_COMMAND_SET);
6435
6436 DP(NETIF_MSG_IFUP,
6437 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6438 config_cmd->config_table[i].msb_mac_addr,
6439 config_cmd->config_table[i].middle_mac_addr,
6440 config_cmd->config_table[i].lsb_mac_addr);
6441 i++;
6442 }
6443 old = config_cmd->hdr.length;
6444 if (old > i) {
6445 for (; i < old; i++) {
6446 if (CAM_IS_INVALID(config_cmd->
6447 config_table[i])) {
6448 /* already invalidated */
6449 break;
6450 }
6451 /* invalidate */
6452 SET_FLAG(config_cmd->config_table[i].flags,
6453 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6454 T_ETH_MAC_COMMAND_INVALIDATE);
6455 }
6456 }
6457
6458 config_cmd->hdr.length = i;
6459 config_cmd->hdr.offset = offset;
6460 config_cmd->hdr.client_id = 0xff;
6461 config_cmd->hdr.reserved1 = 0;
6462
6463 bp->set_mac_pending = 1;
6464 smp_wmb();
6465
6466 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6467 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6468 }
6469 static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6470 {
6471 int i;
6472 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6473 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6474 int ramrod_flags = WAIT_RAMROD_COMMON;
6475
6476 bp->set_mac_pending = 1;
6477 smp_wmb();
6478
6479 for (i = 0; i < config_cmd->hdr.length; i++)
6480 SET_FLAG(config_cmd->config_table[i].flags,
6481 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6482 T_ETH_MAC_COMMAND_INVALIDATE);
6483
6484 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6485 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6486
6487 /* Wait for a completion */
6488 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6489 ramrod_flags);
6490
6491 }
6492
6493 #ifdef BCM_CNIC
6494 /**
6495 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6496 * MAC(s). This function will wait until the ramdord completion
6497 * returns.
6498 *
6499 * @param bp driver handle
6500 * @param set set or clear the CAM entry
6501 *
6502 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6503 */
6504 static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
6505 {
6506 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6507 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
6508 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6509 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
6510 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
6511
6512 /* Send a SET_MAC ramrod */
6513 bnx2x_set_mac_addr_gen(bp, set, bp->iscsi_mac, cl_bit_vec,
6514 cam_offset, 0);
6515
6516 bnx2x_set_mac_in_nig(bp, set, bp->iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
6517
6518 return 0;
6519 }
6520
6521 /**
6522 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6523 * ETH MAC(s). This function will wait until the ramdord
6524 * completion returns.
6525 *
6526 * @param bp driver handle
6527 * @param set set or clear the CAM entry
6528 *
6529 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6530 */
6531 int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6532 {
6533 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6534 /**
6535 * CAM allocation for E1H
6536 * eth unicasts: by func number
6537 * iscsi: by func number
6538 * fip unicast: by func number
6539 * fip multicast: by func number
6540 */
6541 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6542 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6543
6544 return 0;
6545 }
6546
6547 int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6548 {
6549 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6550
6551 /**
6552 * CAM allocation for E1H
6553 * eth unicasts: by func number
6554 * iscsi: by func number
6555 * fip unicast: by func number
6556 * fip multicast: by func number
6557 */
6558 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6559 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6560
6561 return 0;
6562 }
6563 #endif
6564
6565 static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6566 struct bnx2x_client_init_params *params,
6567 u8 activate,
6568 struct client_init_ramrod_data *data)
6569 {
6570 /* Clear the buffer */
6571 memset(data, 0, sizeof(*data));
6572
6573 /* general */
6574 data->general.client_id = params->rxq_params.cl_id;
6575 data->general.statistics_counter_id = params->rxq_params.stat_id;
6576 data->general.statistics_en_flg =
6577 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
6578 data->general.is_fcoe_flg =
6579 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
6580 data->general.activate_flg = activate;
6581 data->general.sp_client_id = params->rxq_params.spcl_id;
6582
6583 /* Rx data */
6584 data->rx.tpa_en_flg =
6585 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6586 data->rx.vmqueue_mode_en_flg = 0;
6587 data->rx.cache_line_alignment_log_size =
6588 params->rxq_params.cache_line_log;
6589 data->rx.enable_dynamic_hc =
6590 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6591 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6592 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6593 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6594
6595 /* We don't set drop flags */
6596 data->rx.drop_ip_cs_err_flg = 0;
6597 data->rx.drop_tcp_cs_err_flg = 0;
6598 data->rx.drop_ttl0_flg = 0;
6599 data->rx.drop_udp_cs_err_flg = 0;
6600
6601 data->rx.inner_vlan_removal_enable_flg =
6602 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6603 data->rx.outer_vlan_removal_enable_flg =
6604 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6605 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6606 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6607 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6608 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6609 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6610 data->rx.bd_page_base.lo =
6611 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6612 data->rx.bd_page_base.hi =
6613 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6614 data->rx.sge_page_base.lo =
6615 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6616 data->rx.sge_page_base.hi =
6617 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6618 data->rx.cqe_page_base.lo =
6619 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6620 data->rx.cqe_page_base.hi =
6621 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6622 data->rx.is_leading_rss =
6623 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6624 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6625
6626 /* Tx data */
6627 data->tx.enforce_security_flg = 0; /* VF specific */
6628 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6629 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6630 data->tx.mtu = 0; /* VF specific */
6631 data->tx.tx_bd_page_base.lo =
6632 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6633 data->tx.tx_bd_page_base.hi =
6634 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6635
6636 /* flow control data */
6637 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6638 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6639 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6640 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6641 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6642 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6643 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6644
6645 data->fc.safc_group_num = params->txq_params.cos;
6646 data->fc.safc_group_en_flg =
6647 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
6648 data->fc.traffic_type =
6649 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6650 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
6651 }
6652
6653 static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6654 {
6655 /* ustorm cxt validation */
6656 cxt->ustorm_ag_context.cdu_usage =
6657 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6658 ETH_CONNECTION_TYPE);
6659 /* xcontext validation */
6660 cxt->xstorm_ag_context.cdu_reserved =
6661 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6662 ETH_CONNECTION_TYPE);
6663 }
6664
6665 static int bnx2x_setup_fw_client(struct bnx2x *bp,
6666 struct bnx2x_client_init_params *params,
6667 u8 activate,
6668 struct client_init_ramrod_data *data,
6669 dma_addr_t data_mapping)
6670 {
6671 u16 hc_usec;
6672 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6673 int ramrod_flags = 0, rc;
6674
6675 /* HC and context validation values */
6676 hc_usec = params->txq_params.hc_rate ?
6677 1000000 / params->txq_params.hc_rate : 0;
6678 bnx2x_update_coalesce_sb_index(bp,
6679 params->txq_params.fw_sb_id,
6680 params->txq_params.sb_cq_index,
6681 !(params->txq_params.flags & QUEUE_FLG_HC),
6682 hc_usec);
6683
6684 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6685
6686 hc_usec = params->rxq_params.hc_rate ?
6687 1000000 / params->rxq_params.hc_rate : 0;
6688 bnx2x_update_coalesce_sb_index(bp,
6689 params->rxq_params.fw_sb_id,
6690 params->rxq_params.sb_cq_index,
6691 !(params->rxq_params.flags & QUEUE_FLG_HC),
6692 hc_usec);
6693
6694 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6695 params->rxq_params.cid);
6696
6697 /* zero stats */
6698 if (params->txq_params.flags & QUEUE_FLG_STATS)
6699 storm_memset_xstats_zero(bp, BP_PORT(bp),
6700 params->txq_params.stat_id);
6701
6702 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6703 storm_memset_ustats_zero(bp, BP_PORT(bp),
6704 params->rxq_params.stat_id);
6705 storm_memset_tstats_zero(bp, BP_PORT(bp),
6706 params->rxq_params.stat_id);
6707 }
6708
6709 /* Fill the ramrod data */
6710 bnx2x_fill_cl_init_data(bp, params, activate, data);
6711
6712 /* SETUP ramrod.
6713 *
6714 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6715 * barrier except from mmiowb() is needed to impose a
6716 * proper ordering of memory operations.
6717 */
6718 mmiowb();
6719
6720
6721 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6722 U64_HI(data_mapping), U64_LO(data_mapping), 0);
6723
6724 /* Wait for completion */
6725 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6726 params->ramrod_params.index,
6727 params->ramrod_params.pstate,
6728 ramrod_flags);
6729 return rc;
6730 }
6731
6732 /**
6733 * Configure interrupt mode according to current configuration.
6734 * In case of MSI-X it will also try to enable MSI-X.
6735 *
6736 * @param bp
6737 *
6738 * @return int
6739 */
6740 static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
6741 {
6742 int rc = 0;
6743
6744 switch (bp->int_mode) {
6745 case INT_MODE_MSI:
6746 bnx2x_enable_msi(bp);
6747 /* falling through... */
6748 case INT_MODE_INTx:
6749 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6750 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
6751 break;
6752 default:
6753 /* Set number of queues according to bp->multi_mode value */
6754 bnx2x_set_num_queues(bp);
6755
6756 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6757 bp->num_queues);
6758
6759 /* if we can't use MSI-X we only need one fp,
6760 * so try to enable MSI-X with the requested number of fp's
6761 * and fallback to MSI or legacy INTx with one fp
6762 */
6763 rc = bnx2x_enable_msix(bp);
6764 if (rc) {
6765 /* failed to enable MSI-X */
6766 if (bp->multi_mode)
6767 DP(NETIF_MSG_IFUP,
6768 "Multi requested but failed to "
6769 "enable MSI-X (%d), "
6770 "set number of queues to %d\n",
6771 bp->num_queues,
6772 1 + NONE_ETH_CONTEXT_USE);
6773 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6774
6775 if (!(bp->flags & DISABLE_MSI_FLAG))
6776 bnx2x_enable_msi(bp);
6777 }
6778
6779 break;
6780 }
6781
6782 return rc;
6783 }
6784
6785 /* must be called prioir to any HW initializations */
6786 static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6787 {
6788 return L2_ILT_LINES(bp);
6789 }
6790
6791 void bnx2x_ilt_set_info(struct bnx2x *bp)
6792 {
6793 struct ilt_client_info *ilt_client;
6794 struct bnx2x_ilt *ilt = BP_ILT(bp);
6795 u16 line = 0;
6796
6797 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6798 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6799
6800 /* CDU */
6801 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6802 ilt_client->client_num = ILT_CLIENT_CDU;
6803 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6804 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6805 ilt_client->start = line;
6806 line += L2_ILT_LINES(bp);
6807 #ifdef BCM_CNIC
6808 line += CNIC_ILT_LINES;
6809 #endif
6810 ilt_client->end = line - 1;
6811
6812 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6813 "flags 0x%x, hw psz %d\n",
6814 ilt_client->start,
6815 ilt_client->end,
6816 ilt_client->page_size,
6817 ilt_client->flags,
6818 ilog2(ilt_client->page_size >> 12));
6819
6820 /* QM */
6821 if (QM_INIT(bp->qm_cid_count)) {
6822 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6823 ilt_client->client_num = ILT_CLIENT_QM;
6824 ilt_client->page_size = QM_ILT_PAGE_SZ;
6825 ilt_client->flags = 0;
6826 ilt_client->start = line;
6827
6828 /* 4 bytes for each cid */
6829 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6830 QM_ILT_PAGE_SZ);
6831
6832 ilt_client->end = line - 1;
6833
6834 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6835 "flags 0x%x, hw psz %d\n",
6836 ilt_client->start,
6837 ilt_client->end,
6838 ilt_client->page_size,
6839 ilt_client->flags,
6840 ilog2(ilt_client->page_size >> 12));
6841
6842 }
6843 /* SRC */
6844 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6845 #ifdef BCM_CNIC
6846 ilt_client->client_num = ILT_CLIENT_SRC;
6847 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6848 ilt_client->flags = 0;
6849 ilt_client->start = line;
6850 line += SRC_ILT_LINES;
6851 ilt_client->end = line - 1;
6852
6853 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6854 "flags 0x%x, hw psz %d\n",
6855 ilt_client->start,
6856 ilt_client->end,
6857 ilt_client->page_size,
6858 ilt_client->flags,
6859 ilog2(ilt_client->page_size >> 12));
6860
6861 #else
6862 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6863 #endif
6864
6865 /* TM */
6866 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6867 #ifdef BCM_CNIC
6868 ilt_client->client_num = ILT_CLIENT_TM;
6869 ilt_client->page_size = TM_ILT_PAGE_SZ;
6870 ilt_client->flags = 0;
6871 ilt_client->start = line;
6872 line += TM_ILT_LINES;
6873 ilt_client->end = line - 1;
6874
6875 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6876 "flags 0x%x, hw psz %d\n",
6877 ilt_client->start,
6878 ilt_client->end,
6879 ilt_client->page_size,
6880 ilt_client->flags,
6881 ilog2(ilt_client->page_size >> 12));
6882
6883 #else
6884 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6885 #endif
6886 }
6887
6888 int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6889 int is_leading)
6890 {
6891 struct bnx2x_client_init_params params = { {0} };
6892 int rc;
6893
6894 /* reset IGU state skip FCoE L2 queue */
6895 if (!IS_FCOE_FP(fp))
6896 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
6897 IGU_INT_ENABLE, 0);
6898
6899 params.ramrod_params.pstate = &fp->state;
6900 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6901 params.ramrod_params.index = fp->index;
6902 params.ramrod_params.cid = fp->cid;
6903
6904 #ifdef BCM_CNIC
6905 if (IS_FCOE_FP(fp))
6906 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6907
6908 #endif
6909
6910 if (is_leading)
6911 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6912
6913 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6914
6915 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6916
6917 rc = bnx2x_setup_fw_client(bp, &params, 1,
6918 bnx2x_sp(bp, client_init_data),
6919 bnx2x_sp_mapping(bp, client_init_data));
6920 return rc;
6921 }
6922
6923 static int bnx2x_stop_fw_client(struct bnx2x *bp,
6924 struct bnx2x_client_ramrod_params *p)
6925 {
6926 int rc;
6927
6928 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6929
6930 /* halt the connection */
6931 *p->pstate = BNX2X_FP_STATE_HALTING;
6932 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6933 p->cl_id, 0);
6934
6935 /* Wait for completion */
6936 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6937 p->pstate, poll_flag);
6938 if (rc) /* timeout */
6939 return rc;
6940
6941 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6942 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6943 p->cl_id, 0);
6944 /* Wait for completion */
6945 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6946 p->pstate, poll_flag);
6947 if (rc) /* timeout */
6948 return rc;
6949
6950
6951 /* delete cfc entry */
6952 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
6953
6954 /* Wait for completion */
6955 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6956 p->pstate, WAIT_RAMROD_COMMON);
6957 return rc;
6958 }
6959
6960 static int bnx2x_stop_client(struct bnx2x *bp, int index)
6961 {
6962 struct bnx2x_client_ramrod_params client_stop = {0};
6963 struct bnx2x_fastpath *fp = &bp->fp[index];
6964
6965 client_stop.index = index;
6966 client_stop.cid = fp->cid;
6967 client_stop.cl_id = fp->cl_id;
6968 client_stop.pstate = &(fp->state);
6969 client_stop.poll = 0;
6970
6971 return bnx2x_stop_fw_client(bp, &client_stop);
6972 }
6973
6974
6975 static void bnx2x_reset_func(struct bnx2x *bp)
6976 {
6977 int port = BP_PORT(bp);
6978 int func = BP_FUNC(bp);
6979 int i;
6980 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
6981 (CHIP_IS_E2(bp) ?
6982 offsetof(struct hc_status_block_data_e2, common) :
6983 offsetof(struct hc_status_block_data_e1x, common));
6984 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6985 int pfid_offset = offsetof(struct pci_entity, pf_id);
6986
6987 /* Disable the function in the FW */
6988 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6989 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6990 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6991 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6992
6993 /* FP SBs */
6994 for_each_eth_queue(bp, i) {
6995 struct bnx2x_fastpath *fp = &bp->fp[i];
6996 REG_WR8(bp,
6997 BAR_CSTRORM_INTMEM +
6998 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6999 + pfunc_offset_fp + pfid_offset,
7000 HC_FUNCTION_DISABLED);
7001 }
7002
7003 /* SP SB */
7004 REG_WR8(bp,
7005 BAR_CSTRORM_INTMEM +
7006 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
7007 pfunc_offset_sp + pfid_offset,
7008 HC_FUNCTION_DISABLED);
7009
7010
7011 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7012 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7013 0);
7014
7015 /* Configure IGU */
7016 if (bp->common.int_block == INT_BLOCK_HC) {
7017 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7018 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7019 } else {
7020 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7021 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7022 }
7023
7024 #ifdef BCM_CNIC
7025 /* Disable Timer scan */
7026 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7027 /*
7028 * Wait for at least 10ms and up to 2 second for the timers scan to
7029 * complete
7030 */
7031 for (i = 0; i < 200; i++) {
7032 msleep(10);
7033 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7034 break;
7035 }
7036 #endif
7037 /* Clear ILT */
7038 bnx2x_clear_func_ilt(bp, func);
7039
7040 /* Timers workaround bug for E2: if this is vnic-3,
7041 * we need to set the entire ilt range for this timers.
7042 */
7043 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
7044 struct ilt_client_info ilt_cli;
7045 /* use dummy TM client */
7046 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7047 ilt_cli.start = 0;
7048 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7049 ilt_cli.client_num = ILT_CLIENT_TM;
7050
7051 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7052 }
7053
7054 /* this assumes that reset_port() called before reset_func()*/
7055 if (CHIP_IS_E2(bp))
7056 bnx2x_pf_disable(bp);
7057
7058 bp->dmae_ready = 0;
7059 }
7060
7061 static void bnx2x_reset_port(struct bnx2x *bp)
7062 {
7063 int port = BP_PORT(bp);
7064 u32 val;
7065
7066 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7067
7068 /* Do not rcv packets to BRB */
7069 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7070 /* Do not direct rcv packets that are not for MCP to the BRB */
7071 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7072 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7073
7074 /* Configure AEU */
7075 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7076
7077 msleep(100);
7078 /* Check for BRB port occupancy */
7079 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7080 if (val)
7081 DP(NETIF_MSG_IFDOWN,
7082 "BRB1 is not empty %d blocks are occupied\n", val);
7083
7084 /* TODO: Close Doorbell port? */
7085 }
7086
7087 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7088 {
7089 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
7090 BP_ABS_FUNC(bp), reset_code);
7091
7092 switch (reset_code) {
7093 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7094 bnx2x_reset_port(bp);
7095 bnx2x_reset_func(bp);
7096 bnx2x_reset_common(bp);
7097 break;
7098
7099 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7100 bnx2x_reset_port(bp);
7101 bnx2x_reset_func(bp);
7102 break;
7103
7104 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7105 bnx2x_reset_func(bp);
7106 break;
7107
7108 default:
7109 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7110 break;
7111 }
7112 }
7113
7114 #ifdef BCM_CNIC
7115 static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7116 {
7117 if (bp->flags & FCOE_MACS_SET) {
7118 if (!IS_MF_SD(bp))
7119 bnx2x_set_fip_eth_mac_addr(bp, 0);
7120
7121 bnx2x_set_all_enode_macs(bp, 0);
7122
7123 bp->flags &= ~FCOE_MACS_SET;
7124 }
7125 }
7126 #endif
7127
7128 void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
7129 {
7130 int port = BP_PORT(bp);
7131 u32 reset_code = 0;
7132 int i, cnt, rc;
7133
7134 /* Wait until tx fastpath tasks complete */
7135 for_each_tx_queue(bp, i) {
7136 struct bnx2x_fastpath *fp = &bp->fp[i];
7137
7138 cnt = 1000;
7139 while (bnx2x_has_tx_work_unload(fp)) {
7140
7141 if (!cnt) {
7142 BNX2X_ERR("timeout waiting for queue[%d]\n",
7143 i);
7144 #ifdef BNX2X_STOP_ON_ERROR
7145 bnx2x_panic();
7146 return -EBUSY;
7147 #else
7148 break;
7149 #endif
7150 }
7151 cnt--;
7152 msleep(1);
7153 }
7154 }
7155 /* Give HW time to discard old tx messages */
7156 msleep(1);
7157
7158 if (CHIP_IS_E1(bp)) {
7159 /* invalidate mc list,
7160 * wait and poll (interrupts are off)
7161 */
7162 bnx2x_invlidate_e1_mc_list(bp);
7163 bnx2x_set_eth_mac(bp, 0);
7164
7165 } else {
7166 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7167
7168 bnx2x_set_eth_mac(bp, 0);
7169
7170 for (i = 0; i < MC_HASH_SIZE; i++)
7171 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7172 }
7173
7174 #ifdef BCM_CNIC
7175 bnx2x_del_fcoe_eth_macs(bp);
7176 #endif
7177
7178 if (unload_mode == UNLOAD_NORMAL)
7179 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7180
7181 else if (bp->flags & NO_WOL_FLAG)
7182 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
7183
7184 else if (bp->wol) {
7185 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
7186 u8 *mac_addr = bp->dev->dev_addr;
7187 u32 val;
7188 /* The mac address is written to entries 1-4 to
7189 preserve entry 0 which is used by the PMF */
7190 u8 entry = (BP_E1HVN(bp) + 1)*8;
7191
7192 val = (mac_addr[0] << 8) | mac_addr[1];
7193 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
7194
7195 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7196 (mac_addr[4] << 8) | mac_addr[5];
7197 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
7198
7199 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
7200
7201 } else
7202 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7203
7204 /* Close multi and leading connections
7205 Completions for ramrods are collected in a synchronous way */
7206 for_each_queue(bp, i)
7207
7208 if (bnx2x_stop_client(bp, i))
7209 #ifdef BNX2X_STOP_ON_ERROR
7210 return;
7211 #else
7212 goto unload_error;
7213 #endif
7214
7215 rc = bnx2x_func_stop(bp);
7216 if (rc) {
7217 BNX2X_ERR("Function stop failed!\n");
7218 #ifdef BNX2X_STOP_ON_ERROR
7219 return;
7220 #else
7221 goto unload_error;
7222 #endif
7223 }
7224 #ifndef BNX2X_STOP_ON_ERROR
7225 unload_error:
7226 #endif
7227 if (!BP_NOMCP(bp))
7228 reset_code = bnx2x_fw_command(bp, reset_code, 0);
7229 else {
7230 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7231 "%d, %d, %d\n", BP_PATH(bp),
7232 load_count[BP_PATH(bp)][0],
7233 load_count[BP_PATH(bp)][1],
7234 load_count[BP_PATH(bp)][2]);
7235 load_count[BP_PATH(bp)][0]--;
7236 load_count[BP_PATH(bp)][1 + port]--;
7237 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7238 "%d, %d, %d\n", BP_PATH(bp),
7239 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7240 load_count[BP_PATH(bp)][2]);
7241 if (load_count[BP_PATH(bp)][0] == 0)
7242 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
7243 else if (load_count[BP_PATH(bp)][1 + port] == 0)
7244 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7245 else
7246 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7247 }
7248
7249 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7250 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7251 bnx2x__link_reset(bp);
7252
7253 /* Disable HW interrupts, NAPI */
7254 bnx2x_netif_stop(bp, 1);
7255
7256 /* Release IRQs */
7257 bnx2x_free_irq(bp);
7258
7259 /* Reset the chip */
7260 bnx2x_reset_chip(bp, reset_code);
7261
7262 /* Report UNLOAD_DONE to MCP */
7263 if (!BP_NOMCP(bp))
7264 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7265
7266 }
7267
7268 void bnx2x_disable_close_the_gate(struct bnx2x *bp)
7269 {
7270 u32 val;
7271
7272 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7273
7274 if (CHIP_IS_E1(bp)) {
7275 int port = BP_PORT(bp);
7276 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7277 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7278
7279 val = REG_RD(bp, addr);
7280 val &= ~(0x300);
7281 REG_WR(bp, addr, val);
7282 } else if (CHIP_IS_E1H(bp)) {
7283 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7284 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7285 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7286 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7287 }
7288 }
7289
7290 /* Close gates #2, #3 and #4: */
7291 static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7292 {
7293 u32 val, addr;
7294
7295 /* Gates #2 and #4a are closed/opened for "not E1" only */
7296 if (!CHIP_IS_E1(bp)) {
7297 /* #4 */
7298 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7299 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7300 close ? (val | 0x1) : (val & (~(u32)1)));
7301 /* #2 */
7302 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7303 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7304 close ? (val | 0x1) : (val & (~(u32)1)));
7305 }
7306
7307 /* #3 */
7308 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7309 val = REG_RD(bp, addr);
7310 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7311
7312 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7313 close ? "closing" : "opening");
7314 mmiowb();
7315 }
7316
7317 #define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7318
7319 static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7320 {
7321 /* Do some magic... */
7322 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7323 *magic_val = val & SHARED_MF_CLP_MAGIC;
7324 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7325 }
7326
7327 /* Restore the value of the `magic' bit.
7328 *
7329 * @param pdev Device handle.
7330 * @param magic_val Old value of the `magic' bit.
7331 */
7332 static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7333 {
7334 /* Restore the `magic' bit value... */
7335 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7336 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7337 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7338 }
7339
7340 /**
7341 * Prepares for MCP reset: takes care of CLP configurations.
7342 *
7343 * @param bp
7344 * @param magic_val Old value of 'magic' bit.
7345 */
7346 static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7347 {
7348 u32 shmem;
7349 u32 validity_offset;
7350
7351 DP(NETIF_MSG_HW, "Starting\n");
7352
7353 /* Set `magic' bit in order to save MF config */
7354 if (!CHIP_IS_E1(bp))
7355 bnx2x_clp_reset_prep(bp, magic_val);
7356
7357 /* Get shmem offset */
7358 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7359 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7360
7361 /* Clear validity map flags */
7362 if (shmem > 0)
7363 REG_WR(bp, shmem + validity_offset, 0);
7364 }
7365
7366 #define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7367 #define MCP_ONE_TIMEOUT 100 /* 100 ms */
7368
7369 /* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7370 * depending on the HW type.
7371 *
7372 * @param bp
7373 */
7374 static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7375 {
7376 /* special handling for emulation and FPGA,
7377 wait 10 times longer */
7378 if (CHIP_REV_IS_SLOW(bp))
7379 msleep(MCP_ONE_TIMEOUT*10);
7380 else
7381 msleep(MCP_ONE_TIMEOUT);
7382 }
7383
7384 static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7385 {
7386 u32 shmem, cnt, validity_offset, val;
7387 int rc = 0;
7388
7389 msleep(100);
7390
7391 /* Get shmem offset */
7392 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7393 if (shmem == 0) {
7394 BNX2X_ERR("Shmem 0 return failure\n");
7395 rc = -ENOTTY;
7396 goto exit_lbl;
7397 }
7398
7399 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7400
7401 /* Wait for MCP to come up */
7402 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7403 /* TBD: its best to check validity map of last port.
7404 * currently checks on port 0.
7405 */
7406 val = REG_RD(bp, shmem + validity_offset);
7407 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7408 shmem + validity_offset, val);
7409
7410 /* check that shared memory is valid. */
7411 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7412 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7413 break;
7414
7415 bnx2x_mcp_wait_one(bp);
7416 }
7417
7418 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7419
7420 /* Check that shared memory is valid. This indicates that MCP is up. */
7421 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7422 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7423 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7424 rc = -ENOTTY;
7425 goto exit_lbl;
7426 }
7427
7428 exit_lbl:
7429 /* Restore the `magic' bit value */
7430 if (!CHIP_IS_E1(bp))
7431 bnx2x_clp_reset_done(bp, magic_val);
7432
7433 return rc;
7434 }
7435
7436 static void bnx2x_pxp_prep(struct bnx2x *bp)
7437 {
7438 if (!CHIP_IS_E1(bp)) {
7439 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7440 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7441 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7442 mmiowb();
7443 }
7444 }
7445
7446 /*
7447 * Reset the whole chip except for:
7448 * - PCIE core
7449 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7450 * one reset bit)
7451 * - IGU
7452 * - MISC (including AEU)
7453 * - GRC
7454 * - RBCN, RBCP
7455 */
7456 static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7457 {
7458 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7459
7460 not_reset_mask1 =
7461 MISC_REGISTERS_RESET_REG_1_RST_HC |
7462 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7463 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7464
7465 not_reset_mask2 =
7466 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7467 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7468 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7469 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7470 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7471 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7472 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7473 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7474
7475 reset_mask1 = 0xffffffff;
7476
7477 if (CHIP_IS_E1(bp))
7478 reset_mask2 = 0xffff;
7479 else
7480 reset_mask2 = 0x1ffff;
7481
7482 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7483 reset_mask1 & (~not_reset_mask1));
7484 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7485 reset_mask2 & (~not_reset_mask2));
7486
7487 barrier();
7488 mmiowb();
7489
7490 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7491 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7492 mmiowb();
7493 }
7494
7495 static int bnx2x_process_kill(struct bnx2x *bp)
7496 {
7497 int cnt = 1000;
7498 u32 val = 0;
7499 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7500
7501
7502 /* Empty the Tetris buffer, wait for 1s */
7503 do {
7504 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7505 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7506 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7507 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7508 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7509 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7510 ((port_is_idle_0 & 0x1) == 0x1) &&
7511 ((port_is_idle_1 & 0x1) == 0x1) &&
7512 (pgl_exp_rom2 == 0xffffffff))
7513 break;
7514 msleep(1);
7515 } while (cnt-- > 0);
7516
7517 if (cnt <= 0) {
7518 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7519 " are still"
7520 " outstanding read requests after 1s!\n");
7521 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7522 " port_is_idle_0=0x%08x,"
7523 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7524 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7525 pgl_exp_rom2);
7526 return -EAGAIN;
7527 }
7528
7529 barrier();
7530
7531 /* Close gates #2, #3 and #4 */
7532 bnx2x_set_234_gates(bp, true);
7533
7534 /* TBD: Indicate that "process kill" is in progress to MCP */
7535
7536 /* Clear "unprepared" bit */
7537 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7538 barrier();
7539
7540 /* Make sure all is written to the chip before the reset */
7541 mmiowb();
7542
7543 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7544 * PSWHST, GRC and PSWRD Tetris buffer.
7545 */
7546 msleep(1);
7547
7548 /* Prepare to chip reset: */
7549 /* MCP */
7550 bnx2x_reset_mcp_prep(bp, &val);
7551
7552 /* PXP */
7553 bnx2x_pxp_prep(bp);
7554 barrier();
7555
7556 /* reset the chip */
7557 bnx2x_process_kill_chip_reset(bp);
7558 barrier();
7559
7560 /* Recover after reset: */
7561 /* MCP */
7562 if (bnx2x_reset_mcp_comp(bp, val))
7563 return -EAGAIN;
7564
7565 /* PXP */
7566 bnx2x_pxp_prep(bp);
7567
7568 /* Open the gates #2, #3 and #4 */
7569 bnx2x_set_234_gates(bp, false);
7570
7571 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7572 * reset state, re-enable attentions. */
7573
7574 return 0;
7575 }
7576
7577 static int bnx2x_leader_reset(struct bnx2x *bp)
7578 {
7579 int rc = 0;
7580 /* Try to recover after the failure */
7581 if (bnx2x_process_kill(bp)) {
7582 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7583 bp->dev->name);
7584 rc = -EAGAIN;
7585 goto exit_leader_reset;
7586 }
7587
7588 /* Clear "reset is in progress" bit and update the driver state */
7589 bnx2x_set_reset_done(bp);
7590 bp->recovery_state = BNX2X_RECOVERY_DONE;
7591
7592 exit_leader_reset:
7593 bp->is_leader = 0;
7594 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7595 smp_wmb();
7596 return rc;
7597 }
7598
7599 /* Assumption: runs under rtnl lock. This together with the fact
7600 * that it's called only from bnx2x_reset_task() ensure that it
7601 * will never be called when netif_running(bp->dev) is false.
7602 */
7603 static void bnx2x_parity_recover(struct bnx2x *bp)
7604 {
7605 DP(NETIF_MSG_HW, "Handling parity\n");
7606 while (1) {
7607 switch (bp->recovery_state) {
7608 case BNX2X_RECOVERY_INIT:
7609 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7610 /* Try to get a LEADER_LOCK HW lock */
7611 if (bnx2x_trylock_hw_lock(bp,
7612 HW_LOCK_RESOURCE_RESERVED_08))
7613 bp->is_leader = 1;
7614
7615 /* Stop the driver */
7616 /* If interface has been removed - break */
7617 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7618 return;
7619
7620 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7621 /* Ensure "is_leader" and "recovery_state"
7622 * update values are seen on other CPUs
7623 */
7624 smp_wmb();
7625 break;
7626
7627 case BNX2X_RECOVERY_WAIT:
7628 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7629 if (bp->is_leader) {
7630 u32 load_counter = bnx2x_get_load_cnt(bp);
7631 if (load_counter) {
7632 /* Wait until all other functions get
7633 * down.
7634 */
7635 schedule_delayed_work(&bp->reset_task,
7636 HZ/10);
7637 return;
7638 } else {
7639 /* If all other functions got down -
7640 * try to bring the chip back to
7641 * normal. In any case it's an exit
7642 * point for a leader.
7643 */
7644 if (bnx2x_leader_reset(bp) ||
7645 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7646 printk(KERN_ERR"%s: Recovery "
7647 "has failed. Power cycle is "
7648 "needed.\n", bp->dev->name);
7649 /* Disconnect this device */
7650 netif_device_detach(bp->dev);
7651 /* Block ifup for all function
7652 * of this ASIC until
7653 * "process kill" or power
7654 * cycle.
7655 */
7656 bnx2x_set_reset_in_progress(bp);
7657 /* Shut down the power */
7658 bnx2x_set_power_state(bp,
7659 PCI_D3hot);
7660 return;
7661 }
7662
7663 return;
7664 }
7665 } else { /* non-leader */
7666 if (!bnx2x_reset_is_done(bp)) {
7667 /* Try to get a LEADER_LOCK HW lock as
7668 * long as a former leader may have
7669 * been unloaded by the user or
7670 * released a leadership by another
7671 * reason.
7672 */
7673 if (bnx2x_trylock_hw_lock(bp,
7674 HW_LOCK_RESOURCE_RESERVED_08)) {
7675 /* I'm a leader now! Restart a
7676 * switch case.
7677 */
7678 bp->is_leader = 1;
7679 break;
7680 }
7681
7682 schedule_delayed_work(&bp->reset_task,
7683 HZ/10);
7684 return;
7685
7686 } else { /* A leader has completed
7687 * the "process kill". It's an exit
7688 * point for a non-leader.
7689 */
7690 bnx2x_nic_load(bp, LOAD_NORMAL);
7691 bp->recovery_state =
7692 BNX2X_RECOVERY_DONE;
7693 smp_wmb();
7694 return;
7695 }
7696 }
7697 default:
7698 return;
7699 }
7700 }
7701 }
7702
7703 /* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7704 * scheduled on a general queue in order to prevent a dead lock.
7705 */
7706 static void bnx2x_reset_task(struct work_struct *work)
7707 {
7708 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7709
7710 #ifdef BNX2X_STOP_ON_ERROR
7711 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7712 " so reset not done to allow debug dump,\n"
7713 KERN_ERR " you will need to reboot when done\n");
7714 return;
7715 #endif
7716
7717 rtnl_lock();
7718
7719 if (!netif_running(bp->dev))
7720 goto reset_task_exit;
7721
7722 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7723 bnx2x_parity_recover(bp);
7724 else {
7725 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7726 bnx2x_nic_load(bp, LOAD_NORMAL);
7727 }
7728
7729 reset_task_exit:
7730 rtnl_unlock();
7731 }
7732
7733 /* end of nic load/unload */
7734
7735 /*
7736 * Init service functions
7737 */
7738
7739 static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
7740 {
7741 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7742 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7743 return base + (BP_ABS_FUNC(bp)) * stride;
7744 }
7745
7746 static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7747 {
7748 u32 reg = bnx2x_get_pretend_reg(bp);
7749
7750 /* Flush all outstanding writes */
7751 mmiowb();
7752
7753 /* Pretend to be function 0 */
7754 REG_WR(bp, reg, 0);
7755 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
7756
7757 /* From now we are in the "like-E1" mode */
7758 bnx2x_int_disable(bp);
7759
7760 /* Flush all outstanding writes */
7761 mmiowb();
7762
7763 /* Restore the original function */
7764 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7765 REG_RD(bp, reg);
7766 }
7767
7768 static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7769 {
7770 if (CHIP_IS_E1(bp))
7771 bnx2x_int_disable(bp);
7772 else
7773 bnx2x_undi_int_disable_e1h(bp);
7774 }
7775
7776 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
7777 {
7778 u32 val;
7779
7780 /* Check if there is any driver already loaded */
7781 val = REG_RD(bp, MISC_REG_UNPREPARED);
7782 if (val == 0x1) {
7783 /* Check if it is the UNDI driver
7784 * UNDI driver initializes CID offset for normal bell to 0x7
7785 */
7786 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7787 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7788 if (val == 0x7) {
7789 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7790 /* save our pf_num */
7791 int orig_pf_num = bp->pf_num;
7792 u32 swap_en;
7793 u32 swap_val;
7794
7795 /* clear the UNDI indication */
7796 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7797
7798 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7799
7800 /* try unload UNDI on port 0 */
7801 bp->pf_num = 0;
7802 bp->fw_seq =
7803 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7804 DRV_MSG_SEQ_NUMBER_MASK);
7805 reset_code = bnx2x_fw_command(bp, reset_code, 0);
7806
7807 /* if UNDI is loaded on the other port */
7808 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7809
7810 /* send "DONE" for previous unload */
7811 bnx2x_fw_command(bp,
7812 DRV_MSG_CODE_UNLOAD_DONE, 0);
7813
7814 /* unload UNDI on port 1 */
7815 bp->pf_num = 1;
7816 bp->fw_seq =
7817 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7818 DRV_MSG_SEQ_NUMBER_MASK);
7819 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7820
7821 bnx2x_fw_command(bp, reset_code, 0);
7822 }
7823
7824 /* now it's safe to release the lock */
7825 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7826
7827 bnx2x_undi_int_disable(bp);
7828
7829 /* close input traffic and wait for it */
7830 /* Do not rcv packets to BRB */
7831 REG_WR(bp,
7832 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7833 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7834 /* Do not direct rcv packets that are not for MCP to
7835 * the BRB */
7836 REG_WR(bp,
7837 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7838 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7839 /* clear AEU */
7840 REG_WR(bp,
7841 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7842 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7843 msleep(10);
7844
7845 /* save NIG port swap info */
7846 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7847 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7848 /* reset device */
7849 REG_WR(bp,
7850 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7851 0xd3ffffff);
7852 REG_WR(bp,
7853 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7854 0x1403);
7855 /* take the NIG out of reset and restore swap values */
7856 REG_WR(bp,
7857 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7858 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7859 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7860 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7861
7862 /* send unload done to the MCP */
7863 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7864
7865 /* restore our func and fw_seq */
7866 bp->pf_num = orig_pf_num;
7867 bp->fw_seq =
7868 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7869 DRV_MSG_SEQ_NUMBER_MASK);
7870 } else
7871 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7872 }
7873 }
7874
7875 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7876 {
7877 u32 val, val2, val3, val4, id;
7878 u16 pmc;
7879
7880 /* Get the chip revision id and number. */
7881 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7882 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7883 id = ((val & 0xffff) << 16);
7884 val = REG_RD(bp, MISC_REG_CHIP_REV);
7885 id |= ((val & 0xf) << 12);
7886 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7887 id |= ((val & 0xff) << 4);
7888 val = REG_RD(bp, MISC_REG_BOND_ID);
7889 id |= (val & 0xf);
7890 bp->common.chip_id = id;
7891
7892 /* Set doorbell size */
7893 bp->db_size = (1 << BNX2X_DB_SHIFT);
7894
7895 if (CHIP_IS_E2(bp)) {
7896 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7897 if ((val & 1) == 0)
7898 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7899 else
7900 val = (val >> 1) & 1;
7901 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7902 "2_PORT_MODE");
7903 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7904 CHIP_2_PORT_MODE;
7905
7906 if (CHIP_MODE_IS_4_PORT(bp))
7907 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7908 else
7909 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7910 } else {
7911 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7912 bp->pfid = bp->pf_num; /* 0..7 */
7913 }
7914
7915 /*
7916 * set base FW non-default (fast path) status block id, this value is
7917 * used to initialize the fw_sb_id saved on the fp/queue structure to
7918 * determine the id used by the FW.
7919 */
7920 if (CHIP_IS_E1x(bp))
7921 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7922 else /* E2 */
7923 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7924
7925 bp->link_params.chip_id = bp->common.chip_id;
7926 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
7927
7928 val = (REG_RD(bp, 0x2874) & 0x55);
7929 if ((bp->common.chip_id & 0x1) ||
7930 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7931 bp->flags |= ONE_PORT_FLAG;
7932 BNX2X_DEV_INFO("single port device\n");
7933 }
7934
7935 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7936 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7937 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7938 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7939 bp->common.flash_size, bp->common.flash_size);
7940
7941 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7942 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7943 MISC_REG_GENERIC_CR_1 :
7944 MISC_REG_GENERIC_CR_0));
7945 bp->link_params.shmem_base = bp->common.shmem_base;
7946 bp->link_params.shmem2_base = bp->common.shmem2_base;
7947 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7948 bp->common.shmem_base, bp->common.shmem2_base);
7949
7950 if (!bp->common.shmem_base) {
7951 BNX2X_DEV_INFO("MCP not active\n");
7952 bp->flags |= NO_MCP_FLAG;
7953 return;
7954 }
7955
7956 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7957 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7958 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7959 BNX2X_ERR("BAD MCP validity signature\n");
7960
7961 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7962 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
7963
7964 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7965 SHARED_HW_CFG_LED_MODE_MASK) >>
7966 SHARED_HW_CFG_LED_MODE_SHIFT);
7967
7968 bp->link_params.feature_config_flags = 0;
7969 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7970 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7971 bp->link_params.feature_config_flags |=
7972 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7973 else
7974 bp->link_params.feature_config_flags &=
7975 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7976
7977 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7978 bp->common.bc_ver = val;
7979 BNX2X_DEV_INFO("bc_ver %X\n", val);
7980 if (val < BNX2X_BC_VER) {
7981 /* for now only warn
7982 * later we might need to enforce this */
7983 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7984 "please upgrade BC\n", BNX2X_BC_VER, val);
7985 }
7986 bp->link_params.feature_config_flags |=
7987 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
7988 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7989
7990 bp->link_params.feature_config_flags |=
7991 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7992 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
7993
7994 if (BP_E1HVN(bp) == 0) {
7995 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7996 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7997 } else {
7998 /* no WOL capability for E1HVN != 0 */
7999 bp->flags |= NO_WOL_FLAG;
8000 }
8001 BNX2X_DEV_INFO("%sWoL capable\n",
8002 (bp->flags & NO_WOL_FLAG) ? "not " : "");
8003
8004 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
8005 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
8006 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
8007 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
8008
8009 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
8010 val, val2, val3, val4);
8011 }
8012
8013 #define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
8014 #define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
8015
8016 static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
8017 {
8018 int pfid = BP_FUNC(bp);
8019 int vn = BP_E1HVN(bp);
8020 int igu_sb_id;
8021 u32 val;
8022 u8 fid;
8023
8024 bp->igu_base_sb = 0xff;
8025 bp->igu_sb_cnt = 0;
8026 if (CHIP_INT_MODE_IS_BC(bp)) {
8027 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8028 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8029
8030 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
8031 FP_SB_MAX_E1x;
8032
8033 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
8034 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
8035
8036 return;
8037 }
8038
8039 /* IGU in normal mode - read CAM */
8040 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
8041 igu_sb_id++) {
8042 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
8043 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
8044 continue;
8045 fid = IGU_FID(val);
8046 if ((fid & IGU_FID_ENCODE_IS_PF)) {
8047 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
8048 continue;
8049 if (IGU_VEC(val) == 0)
8050 /* default status block */
8051 bp->igu_dsb_id = igu_sb_id;
8052 else {
8053 if (bp->igu_base_sb == 0xff)
8054 bp->igu_base_sb = igu_sb_id;
8055 bp->igu_sb_cnt++;
8056 }
8057 }
8058 }
8059 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8060 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8061 if (bp->igu_sb_cnt == 0)
8062 BNX2X_ERR("CAM configuration error\n");
8063 }
8064
8065 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8066 u32 switch_cfg)
8067 {
8068 int cfg_size = 0, idx, port = BP_PORT(bp);
8069
8070 /* Aggregation of supported attributes of all external phys */
8071 bp->port.supported[0] = 0;
8072 bp->port.supported[1] = 0;
8073 switch (bp->link_params.num_phys) {
8074 case 1:
8075 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8076 cfg_size = 1;
8077 break;
8078 case 2:
8079 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8080 cfg_size = 1;
8081 break;
8082 case 3:
8083 if (bp->link_params.multi_phy_config &
8084 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8085 bp->port.supported[1] =
8086 bp->link_params.phy[EXT_PHY1].supported;
8087 bp->port.supported[0] =
8088 bp->link_params.phy[EXT_PHY2].supported;
8089 } else {
8090 bp->port.supported[0] =
8091 bp->link_params.phy[EXT_PHY1].supported;
8092 bp->port.supported[1] =
8093 bp->link_params.phy[EXT_PHY2].supported;
8094 }
8095 cfg_size = 2;
8096 break;
8097 }
8098
8099 if (!(bp->port.supported[0] || bp->port.supported[1])) {
8100 BNX2X_ERR("NVRAM config error. BAD phy config."
8101 "PHY1 config 0x%x, PHY2 config 0x%x\n",
8102 SHMEM_RD(bp,
8103 dev_info.port_hw_config[port].external_phy_config),
8104 SHMEM_RD(bp,
8105 dev_info.port_hw_config[port].external_phy_config2));
8106 return;
8107 }
8108
8109 switch (switch_cfg) {
8110 case SWITCH_CFG_1G:
8111 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8112 port*0x10);
8113 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
8114 break;
8115
8116 case SWITCH_CFG_10G:
8117 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8118 port*0x18);
8119 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
8120 break;
8121
8122 default:
8123 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
8124 bp->port.link_config[0]);
8125 return;
8126 }
8127 /* mask what we support according to speed_cap_mask per configuration */
8128 for (idx = 0; idx < cfg_size; idx++) {
8129 if (!(bp->link_params.speed_cap_mask[idx] &
8130 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
8131 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
8132
8133 if (!(bp->link_params.speed_cap_mask[idx] &
8134 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
8135 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
8136
8137 if (!(bp->link_params.speed_cap_mask[idx] &
8138 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
8139 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
8140
8141 if (!(bp->link_params.speed_cap_mask[idx] &
8142 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
8143 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
8144
8145 if (!(bp->link_params.speed_cap_mask[idx] &
8146 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
8147 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
8148 SUPPORTED_1000baseT_Full);
8149
8150 if (!(bp->link_params.speed_cap_mask[idx] &
8151 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
8152 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
8153
8154 if (!(bp->link_params.speed_cap_mask[idx] &
8155 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
8156 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
8157
8158 }
8159
8160 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8161 bp->port.supported[1]);
8162 }
8163
8164 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
8165 {
8166 u32 link_config, idx, cfg_size = 0;
8167 bp->port.advertising[0] = 0;
8168 bp->port.advertising[1] = 0;
8169 switch (bp->link_params.num_phys) {
8170 case 1:
8171 case 2:
8172 cfg_size = 1;
8173 break;
8174 case 3:
8175 cfg_size = 2;
8176 break;
8177 }
8178 for (idx = 0; idx < cfg_size; idx++) {
8179 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8180 link_config = bp->port.link_config[idx];
8181 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
8182 case PORT_FEATURE_LINK_SPEED_AUTO:
8183 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8184 bp->link_params.req_line_speed[idx] =
8185 SPEED_AUTO_NEG;
8186 bp->port.advertising[idx] |=
8187 bp->port.supported[idx];
8188 } else {
8189 /* force 10G, no AN */
8190 bp->link_params.req_line_speed[idx] =
8191 SPEED_10000;
8192 bp->port.advertising[idx] |=
8193 (ADVERTISED_10000baseT_Full |
8194 ADVERTISED_FIBRE);
8195 continue;
8196 }
8197 break;
8198
8199 case PORT_FEATURE_LINK_SPEED_10M_FULL:
8200 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8201 bp->link_params.req_line_speed[idx] =
8202 SPEED_10;
8203 bp->port.advertising[idx] |=
8204 (ADVERTISED_10baseT_Full |
8205 ADVERTISED_TP);
8206 } else {
8207 BNX2X_ERROR("NVRAM config error. "
8208 "Invalid link_config 0x%x"
8209 " speed_cap_mask 0x%x\n",
8210 link_config,
8211 bp->link_params.speed_cap_mask[idx]);
8212 return;
8213 }
8214 break;
8215
8216 case PORT_FEATURE_LINK_SPEED_10M_HALF:
8217 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8218 bp->link_params.req_line_speed[idx] =
8219 SPEED_10;
8220 bp->link_params.req_duplex[idx] =
8221 DUPLEX_HALF;
8222 bp->port.advertising[idx] |=
8223 (ADVERTISED_10baseT_Half |
8224 ADVERTISED_TP);
8225 } else {
8226 BNX2X_ERROR("NVRAM config error. "
8227 "Invalid link_config 0x%x"
8228 " speed_cap_mask 0x%x\n",
8229 link_config,
8230 bp->link_params.speed_cap_mask[idx]);
8231 return;
8232 }
8233 break;
8234
8235 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8236 if (bp->port.supported[idx] &
8237 SUPPORTED_100baseT_Full) {
8238 bp->link_params.req_line_speed[idx] =
8239 SPEED_100;
8240 bp->port.advertising[idx] |=
8241 (ADVERTISED_100baseT_Full |
8242 ADVERTISED_TP);
8243 } else {
8244 BNX2X_ERROR("NVRAM config error. "
8245 "Invalid link_config 0x%x"
8246 " speed_cap_mask 0x%x\n",
8247 link_config,
8248 bp->link_params.speed_cap_mask[idx]);
8249 return;
8250 }
8251 break;
8252
8253 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8254 if (bp->port.supported[idx] &
8255 SUPPORTED_100baseT_Half) {
8256 bp->link_params.req_line_speed[idx] =
8257 SPEED_100;
8258 bp->link_params.req_duplex[idx] =
8259 DUPLEX_HALF;
8260 bp->port.advertising[idx] |=
8261 (ADVERTISED_100baseT_Half |
8262 ADVERTISED_TP);
8263 } else {
8264 BNX2X_ERROR("NVRAM config error. "
8265 "Invalid link_config 0x%x"
8266 " speed_cap_mask 0x%x\n",
8267 link_config,
8268 bp->link_params.speed_cap_mask[idx]);
8269 return;
8270 }
8271 break;
8272
8273 case PORT_FEATURE_LINK_SPEED_1G:
8274 if (bp->port.supported[idx] &
8275 SUPPORTED_1000baseT_Full) {
8276 bp->link_params.req_line_speed[idx] =
8277 SPEED_1000;
8278 bp->port.advertising[idx] |=
8279 (ADVERTISED_1000baseT_Full |
8280 ADVERTISED_TP);
8281 } else {
8282 BNX2X_ERROR("NVRAM config error. "
8283 "Invalid link_config 0x%x"
8284 " speed_cap_mask 0x%x\n",
8285 link_config,
8286 bp->link_params.speed_cap_mask[idx]);
8287 return;
8288 }
8289 break;
8290
8291 case PORT_FEATURE_LINK_SPEED_2_5G:
8292 if (bp->port.supported[idx] &
8293 SUPPORTED_2500baseX_Full) {
8294 bp->link_params.req_line_speed[idx] =
8295 SPEED_2500;
8296 bp->port.advertising[idx] |=
8297 (ADVERTISED_2500baseX_Full |
8298 ADVERTISED_TP);
8299 } else {
8300 BNX2X_ERROR("NVRAM config error. "
8301 "Invalid link_config 0x%x"
8302 " speed_cap_mask 0x%x\n",
8303 link_config,
8304 bp->link_params.speed_cap_mask[idx]);
8305 return;
8306 }
8307 break;
8308
8309 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8310 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8311 case PORT_FEATURE_LINK_SPEED_10G_KR:
8312 if (bp->port.supported[idx] &
8313 SUPPORTED_10000baseT_Full) {
8314 bp->link_params.req_line_speed[idx] =
8315 SPEED_10000;
8316 bp->port.advertising[idx] |=
8317 (ADVERTISED_10000baseT_Full |
8318 ADVERTISED_FIBRE);
8319 } else {
8320 BNX2X_ERROR("NVRAM config error. "
8321 "Invalid link_config 0x%x"
8322 " speed_cap_mask 0x%x\n",
8323 link_config,
8324 bp->link_params.speed_cap_mask[idx]);
8325 return;
8326 }
8327 break;
8328
8329 default:
8330 BNX2X_ERROR("NVRAM config error. "
8331 "BAD link speed link_config 0x%x\n",
8332 link_config);
8333 bp->link_params.req_line_speed[idx] =
8334 SPEED_AUTO_NEG;
8335 bp->port.advertising[idx] =
8336 bp->port.supported[idx];
8337 break;
8338 }
8339
8340 bp->link_params.req_flow_ctrl[idx] = (link_config &
8341 PORT_FEATURE_FLOW_CONTROL_MASK);
8342 if ((bp->link_params.req_flow_ctrl[idx] ==
8343 BNX2X_FLOW_CTRL_AUTO) &&
8344 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8345 bp->link_params.req_flow_ctrl[idx] =
8346 BNX2X_FLOW_CTRL_NONE;
8347 }
8348
8349 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8350 " 0x%x advertising 0x%x\n",
8351 bp->link_params.req_line_speed[idx],
8352 bp->link_params.req_duplex[idx],
8353 bp->link_params.req_flow_ctrl[idx],
8354 bp->port.advertising[idx]);
8355 }
8356 }
8357
8358 static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8359 {
8360 mac_hi = cpu_to_be16(mac_hi);
8361 mac_lo = cpu_to_be32(mac_lo);
8362 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8363 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8364 }
8365
8366 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
8367 {
8368 int port = BP_PORT(bp);
8369 u32 config;
8370 u32 ext_phy_type, ext_phy_config;
8371
8372 bp->link_params.bp = bp;
8373 bp->link_params.port = port;
8374
8375 bp->link_params.lane_config =
8376 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
8377
8378 bp->link_params.speed_cap_mask[0] =
8379 SHMEM_RD(bp,
8380 dev_info.port_hw_config[port].speed_capability_mask);
8381 bp->link_params.speed_cap_mask[1] =
8382 SHMEM_RD(bp,
8383 dev_info.port_hw_config[port].speed_capability_mask2);
8384 bp->port.link_config[0] =
8385 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8386
8387 bp->port.link_config[1] =
8388 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8389
8390 bp->link_params.multi_phy_config =
8391 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8392 /* If the device is capable of WoL, set the default state according
8393 * to the HW
8394 */
8395 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8396 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8397 (config & PORT_FEATURE_WOL_ENABLED));
8398
8399 BNX2X_DEV_INFO("lane_config 0x%08x "
8400 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
8401 bp->link_params.lane_config,
8402 bp->link_params.speed_cap_mask[0],
8403 bp->port.link_config[0]);
8404
8405 bp->link_params.switch_cfg = (bp->port.link_config[0] &
8406 PORT_FEATURE_CONNECTED_SWITCH_MASK);
8407 bnx2x_phy_probe(&bp->link_params);
8408 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
8409
8410 bnx2x_link_settings_requested(bp);
8411
8412 /*
8413 * If connected directly, work with the internal PHY, otherwise, work
8414 * with the external PHY
8415 */
8416 ext_phy_config =
8417 SHMEM_RD(bp,
8418 dev_info.port_hw_config[port].external_phy_config);
8419 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
8420 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8421 bp->mdio.prtad = bp->port.phy_addr;
8422
8423 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8424 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8425 bp->mdio.prtad =
8426 XGXS_EXT_PHY_ADDR(ext_phy_config);
8427 }
8428
8429 static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8430 {
8431 u32 val, val2;
8432 int func = BP_ABS_FUNC(bp);
8433 int port = BP_PORT(bp);
8434
8435 if (BP_NOMCP(bp)) {
8436 BNX2X_ERROR("warning: random MAC workaround active\n");
8437 random_ether_addr(bp->dev->dev_addr);
8438 } else if (IS_MF(bp)) {
8439 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8440 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8441 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8442 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8443 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8444
8445 #ifdef BCM_CNIC
8446 /* iSCSI NPAR MAC */
8447 if (IS_MF_SI(bp)) {
8448 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8449 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8450 val2 = MF_CFG_RD(bp, func_ext_config[func].
8451 iscsi_mac_addr_upper);
8452 val = MF_CFG_RD(bp, func_ext_config[func].
8453 iscsi_mac_addr_lower);
8454 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8455 }
8456 }
8457 #endif
8458 } else {
8459 /* in SF read MACs from port configuration */
8460 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8461 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8462 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8463
8464 #ifdef BCM_CNIC
8465 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8466 iscsi_mac_upper);
8467 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8468 iscsi_mac_lower);
8469 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8470 #endif
8471 }
8472
8473 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8474 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
8475
8476 #ifdef BCM_CNIC
8477 /* Inform the upper layers about FCoE MAC */
8478 if (!CHIP_IS_E1x(bp)) {
8479 if (IS_MF_SD(bp))
8480 memcpy(bp->fip_mac, bp->dev->dev_addr,
8481 sizeof(bp->fip_mac));
8482 else
8483 memcpy(bp->fip_mac, bp->iscsi_mac,
8484 sizeof(bp->fip_mac));
8485 }
8486 #endif
8487 }
8488
8489 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8490 {
8491 int /*abs*/func = BP_ABS_FUNC(bp);
8492 int vn, port;
8493 u32 val = 0;
8494 int rc = 0;
8495
8496 bnx2x_get_common_hwinfo(bp);
8497
8498 if (CHIP_IS_E1x(bp)) {
8499 bp->common.int_block = INT_BLOCK_HC;
8500
8501 bp->igu_dsb_id = DEF_SB_IGU_ID;
8502 bp->igu_base_sb = 0;
8503 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8504 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8505 } else {
8506 bp->common.int_block = INT_BLOCK_IGU;
8507 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8508 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8509 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8510 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8511 } else
8512 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8513
8514 bnx2x_get_igu_cam_info(bp);
8515
8516 }
8517 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8518 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8519
8520 /*
8521 * Initialize MF configuration
8522 */
8523
8524 bp->mf_ov = 0;
8525 bp->mf_mode = 0;
8526 vn = BP_E1HVN(bp);
8527 port = BP_PORT(bp);
8528
8529 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
8530 DP(NETIF_MSG_PROBE,
8531 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8532 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8533 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
8534 if (SHMEM2_HAS(bp, mf_cfg_addr))
8535 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8536 else
8537 bp->common.mf_cfg_base = bp->common.shmem_base +
8538 offsetof(struct shmem_region, func_mb) +
8539 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
8540 /*
8541 * get mf configuration:
8542 * 1. existance of MF configuration
8543 * 2. MAC address must be legal (check only upper bytes)
8544 * for Switch-Independent mode;
8545 * OVLAN must be legal for Switch-Dependent mode
8546 * 3. SF_MODE configures specific MF mode
8547 */
8548 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8549 /* get mf configuration */
8550 val = SHMEM_RD(bp,
8551 dev_info.shared_feature_config.config);
8552 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
8553
8554 switch (val) {
8555 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8556 val = MF_CFG_RD(bp, func_mf_config[func].
8557 mac_upper);
8558 /* check for legal mac (upper bytes)*/
8559 if (val != 0xffff) {
8560 bp->mf_mode = MULTI_FUNCTION_SI;
8561 bp->mf_config[vn] = MF_CFG_RD(bp,
8562 func_mf_config[func].config);
8563 } else
8564 DP(NETIF_MSG_PROBE, "illegal MAC "
8565 "address for SI\n");
8566 break;
8567 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8568 /* get OV configuration */
8569 val = MF_CFG_RD(bp,
8570 func_mf_config[FUNC_0].e1hov_tag);
8571 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8572
8573 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8574 bp->mf_mode = MULTI_FUNCTION_SD;
8575 bp->mf_config[vn] = MF_CFG_RD(bp,
8576 func_mf_config[func].config);
8577 } else
8578 DP(NETIF_MSG_PROBE, "illegal OV for "
8579 "SD\n");
8580 break;
8581 default:
8582 /* Unknown configuration: reset mf_config */
8583 bp->mf_config[vn] = 0;
8584 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8585 val);
8586 }
8587 }
8588
8589 BNX2X_DEV_INFO("%s function mode\n",
8590 IS_MF(bp) ? "multi" : "single");
8591
8592 switch (bp->mf_mode) {
8593 case MULTI_FUNCTION_SD:
8594 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8595 FUNC_MF_CFG_E1HOV_TAG_MASK;
8596 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8597 bp->mf_ov = val;
8598 BNX2X_DEV_INFO("MF OV for func %d is %d"
8599 " (0x%04x)\n", func,
8600 bp->mf_ov, bp->mf_ov);
8601 } else {
8602 BNX2X_ERR("No valid MF OV for func %d,"
8603 " aborting\n", func);
8604 rc = -EPERM;
8605 }
8606 break;
8607 case MULTI_FUNCTION_SI:
8608 BNX2X_DEV_INFO("func %d is in MF "
8609 "switch-independent mode\n", func);
8610 break;
8611 default:
8612 if (vn) {
8613 BNX2X_ERR("VN %d in single function mode,"
8614 " aborting\n", vn);
8615 rc = -EPERM;
8616 }
8617 break;
8618 }
8619
8620 }
8621
8622 /* adjust igu_sb_cnt to MF for E1x */
8623 if (CHIP_IS_E1x(bp) && IS_MF(bp))
8624 bp->igu_sb_cnt /= E1HVN_MAX;
8625
8626 /*
8627 * adjust E2 sb count: to be removed when FW will support
8628 * more then 16 L2 clients
8629 */
8630 #define MAX_L2_CLIENTS 16
8631 if (CHIP_IS_E2(bp))
8632 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8633 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8634
8635 if (!BP_NOMCP(bp)) {
8636 bnx2x_get_port_hwinfo(bp);
8637
8638 bp->fw_seq =
8639 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8640 DRV_MSG_SEQ_NUMBER_MASK);
8641 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8642 }
8643
8644 /* Get MAC addresses */
8645 bnx2x_get_mac_hwinfo(bp);
8646
8647 return rc;
8648 }
8649
8650 static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8651 {
8652 int cnt, i, block_end, rodi;
8653 char vpd_data[BNX2X_VPD_LEN+1];
8654 char str_id_reg[VENDOR_ID_LEN+1];
8655 char str_id_cap[VENDOR_ID_LEN+1];
8656 u8 len;
8657
8658 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8659 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8660
8661 if (cnt < BNX2X_VPD_LEN)
8662 goto out_not_found;
8663
8664 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8665 PCI_VPD_LRDT_RO_DATA);
8666 if (i < 0)
8667 goto out_not_found;
8668
8669
8670 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8671 pci_vpd_lrdt_size(&vpd_data[i]);
8672
8673 i += PCI_VPD_LRDT_TAG_SIZE;
8674
8675 if (block_end > BNX2X_VPD_LEN)
8676 goto out_not_found;
8677
8678 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8679 PCI_VPD_RO_KEYWORD_MFR_ID);
8680 if (rodi < 0)
8681 goto out_not_found;
8682
8683 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8684
8685 if (len != VENDOR_ID_LEN)
8686 goto out_not_found;
8687
8688 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8689
8690 /* vendor specific info */
8691 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8692 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8693 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8694 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8695
8696 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8697 PCI_VPD_RO_KEYWORD_VENDOR0);
8698 if (rodi >= 0) {
8699 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8700
8701 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8702
8703 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8704 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8705 bp->fw_ver[len] = ' ';
8706 }
8707 }
8708 return;
8709 }
8710 out_not_found:
8711 return;
8712 }
8713
8714 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8715 {
8716 int func;
8717 int timer_interval;
8718 int rc;
8719
8720 /* Disable interrupt handling until HW is initialized */
8721 atomic_set(&bp->intr_sem, 1);
8722 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
8723
8724 mutex_init(&bp->port.phy_mutex);
8725 mutex_init(&bp->fw_mb_mutex);
8726 spin_lock_init(&bp->stats_lock);
8727 #ifdef BCM_CNIC
8728 mutex_init(&bp->cnic_mutex);
8729 #endif
8730
8731 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8732 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8733
8734 rc = bnx2x_get_hwinfo(bp);
8735
8736 if (!rc)
8737 rc = bnx2x_alloc_mem_bp(bp);
8738
8739 bnx2x_read_fwinfo(bp);
8740
8741 func = BP_FUNC(bp);
8742
8743 /* need to reset chip if undi was active */
8744 if (!BP_NOMCP(bp))
8745 bnx2x_undi_unload(bp);
8746
8747 if (CHIP_REV_IS_FPGA(bp))
8748 dev_err(&bp->pdev->dev, "FPGA detected\n");
8749
8750 if (BP_NOMCP(bp) && (func == 0))
8751 dev_err(&bp->pdev->dev, "MCP disabled, "
8752 "must load devices in order!\n");
8753
8754 /* Set multi queue mode */
8755 if ((multi_mode != ETH_RSS_MODE_DISABLED) &&
8756 ((int_mode == INT_MODE_INTx) || (int_mode == INT_MODE_MSI))) {
8757 dev_err(&bp->pdev->dev, "Multi disabled since int_mode "
8758 "requested is not MSI-X\n");
8759 multi_mode = ETH_RSS_MODE_DISABLED;
8760 }
8761 bp->multi_mode = multi_mode;
8762 bp->int_mode = int_mode;
8763
8764 bp->dev->features |= NETIF_F_GRO;
8765
8766 /* Set TPA flags */
8767 if (disable_tpa) {
8768 bp->flags &= ~TPA_ENABLE_FLAG;
8769 bp->dev->features &= ~NETIF_F_LRO;
8770 } else {
8771 bp->flags |= TPA_ENABLE_FLAG;
8772 bp->dev->features |= NETIF_F_LRO;
8773 }
8774 bp->disable_tpa = disable_tpa;
8775
8776 if (CHIP_IS_E1(bp))
8777 bp->dropless_fc = 0;
8778 else
8779 bp->dropless_fc = dropless_fc;
8780
8781 bp->mrrs = mrrs;
8782
8783 bp->tx_ring_size = MAX_TX_AVAIL;
8784
8785 bp->rx_csum = 1;
8786
8787 /* make sure that the numbers are in the right granularity */
8788 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8789 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8790
8791 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8792 bp->current_interval = (poll ? poll : timer_interval);
8793
8794 init_timer(&bp->timer);
8795 bp->timer.expires = jiffies + bp->current_interval;
8796 bp->timer.data = (unsigned long) bp;
8797 bp->timer.function = bnx2x_timer;
8798
8799 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
8800 bnx2x_dcbx_init_params(bp);
8801
8802 return rc;
8803 }
8804
8805
8806 /****************************************************************************
8807 * General service functions
8808 ****************************************************************************/
8809
8810 /* called with rtnl_lock */
8811 static int bnx2x_open(struct net_device *dev)
8812 {
8813 struct bnx2x *bp = netdev_priv(dev);
8814
8815 netif_carrier_off(dev);
8816
8817 bnx2x_set_power_state(bp, PCI_D0);
8818
8819 if (!bnx2x_reset_is_done(bp)) {
8820 do {
8821 /* Reset MCP mail box sequence if there is on going
8822 * recovery
8823 */
8824 bp->fw_seq = 0;
8825
8826 /* If it's the first function to load and reset done
8827 * is still not cleared it may mean that. We don't
8828 * check the attention state here because it may have
8829 * already been cleared by a "common" reset but we
8830 * shell proceed with "process kill" anyway.
8831 */
8832 if ((bnx2x_get_load_cnt(bp) == 0) &&
8833 bnx2x_trylock_hw_lock(bp,
8834 HW_LOCK_RESOURCE_RESERVED_08) &&
8835 (!bnx2x_leader_reset(bp))) {
8836 DP(NETIF_MSG_HW, "Recovered in open\n");
8837 break;
8838 }
8839
8840 bnx2x_set_power_state(bp, PCI_D3hot);
8841
8842 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8843 " completed yet. Try again later. If u still see this"
8844 " message after a few retries then power cycle is"
8845 " required.\n", bp->dev->name);
8846
8847 return -EAGAIN;
8848 } while (0);
8849 }
8850
8851 bp->recovery_state = BNX2X_RECOVERY_DONE;
8852
8853 return bnx2x_nic_load(bp, LOAD_OPEN);
8854 }
8855
8856 /* called with rtnl_lock */
8857 static int bnx2x_close(struct net_device *dev)
8858 {
8859 struct bnx2x *bp = netdev_priv(dev);
8860
8861 /* Unload the driver, release IRQs */
8862 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8863 bnx2x_set_power_state(bp, PCI_D3hot);
8864
8865 return 0;
8866 }
8867
8868 /* called with netif_tx_lock from dev_mcast.c */
8869 void bnx2x_set_rx_mode(struct net_device *dev)
8870 {
8871 struct bnx2x *bp = netdev_priv(dev);
8872 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8873 int port = BP_PORT(bp);
8874
8875 if (bp->state != BNX2X_STATE_OPEN) {
8876 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8877 return;
8878 }
8879
8880 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8881
8882 if (dev->flags & IFF_PROMISC)
8883 rx_mode = BNX2X_RX_MODE_PROMISC;
8884 else if ((dev->flags & IFF_ALLMULTI) ||
8885 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8886 CHIP_IS_E1(bp)))
8887 rx_mode = BNX2X_RX_MODE_ALLMULTI;
8888 else { /* some multicasts */
8889 if (CHIP_IS_E1(bp)) {
8890 /*
8891 * set mc list, do not wait as wait implies sleep
8892 * and set_rx_mode can be invoked from non-sleepable
8893 * context
8894 */
8895 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8896 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8897 BNX2X_MAX_MULTICAST*(1 + port));
8898
8899 bnx2x_set_e1_mc_list(bp, offset);
8900 } else { /* E1H */
8901 /* Accept one or more multicasts */
8902 struct netdev_hw_addr *ha;
8903 u32 mc_filter[MC_HASH_SIZE];
8904 u32 crc, bit, regidx;
8905 int i;
8906
8907 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8908
8909 netdev_for_each_mc_addr(ha, dev) {
8910 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
8911 bnx2x_mc_addr(ha));
8912
8913 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8914 ETH_ALEN);
8915 bit = (crc >> 24) & 0xff;
8916 regidx = bit >> 5;
8917 bit &= 0x1f;
8918 mc_filter[regidx] |= (1 << bit);
8919 }
8920
8921 for (i = 0; i < MC_HASH_SIZE; i++)
8922 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8923 mc_filter[i]);
8924 }
8925 }
8926
8927 bp->rx_mode = rx_mode;
8928 bnx2x_set_storm_rx_mode(bp);
8929 }
8930
8931 /* called with rtnl_lock */
8932 static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8933 int devad, u16 addr)
8934 {
8935 struct bnx2x *bp = netdev_priv(netdev);
8936 u16 value;
8937 int rc;
8938
8939 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8940 prtad, devad, addr);
8941
8942 /* The HW expects different devad if CL22 is used */
8943 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8944
8945 bnx2x_acquire_phy_lock(bp);
8946 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
8947 bnx2x_release_phy_lock(bp);
8948 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8949
8950 if (!rc)
8951 rc = value;
8952 return rc;
8953 }
8954
8955 /* called with rtnl_lock */
8956 static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8957 u16 addr, u16 value)
8958 {
8959 struct bnx2x *bp = netdev_priv(netdev);
8960 int rc;
8961
8962 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8963 " value 0x%x\n", prtad, devad, addr, value);
8964
8965 /* The HW expects different devad if CL22 is used */
8966 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8967
8968 bnx2x_acquire_phy_lock(bp);
8969 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
8970 bnx2x_release_phy_lock(bp);
8971 return rc;
8972 }
8973
8974 /* called with rtnl_lock */
8975 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
8976 {
8977 struct bnx2x *bp = netdev_priv(dev);
8978 struct mii_ioctl_data *mdio = if_mii(ifr);
8979
8980 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
8981 mdio->phy_id, mdio->reg_num, mdio->val_in);
8982
8983 if (!netif_running(dev))
8984 return -EAGAIN;
8985
8986 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
8987 }
8988
8989 #ifdef CONFIG_NET_POLL_CONTROLLER
8990 static void poll_bnx2x(struct net_device *dev)
8991 {
8992 struct bnx2x *bp = netdev_priv(dev);
8993
8994 disable_irq(bp->pdev->irq);
8995 bnx2x_interrupt(bp->pdev->irq, dev);
8996 enable_irq(bp->pdev->irq);
8997 }
8998 #endif
8999
9000 static const struct net_device_ops bnx2x_netdev_ops = {
9001 .ndo_open = bnx2x_open,
9002 .ndo_stop = bnx2x_close,
9003 .ndo_start_xmit = bnx2x_start_xmit,
9004 .ndo_select_queue = bnx2x_select_queue,
9005 .ndo_set_multicast_list = bnx2x_set_rx_mode,
9006 .ndo_set_mac_address = bnx2x_change_mac_addr,
9007 .ndo_validate_addr = eth_validate_addr,
9008 .ndo_do_ioctl = bnx2x_ioctl,
9009 .ndo_change_mtu = bnx2x_change_mtu,
9010 .ndo_tx_timeout = bnx2x_tx_timeout,
9011 #ifdef CONFIG_NET_POLL_CONTROLLER
9012 .ndo_poll_controller = poll_bnx2x,
9013 #endif
9014 };
9015
9016 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9017 struct net_device *dev)
9018 {
9019 struct bnx2x *bp;
9020 int rc;
9021
9022 SET_NETDEV_DEV(dev, &pdev->dev);
9023 bp = netdev_priv(dev);
9024
9025 bp->dev = dev;
9026 bp->pdev = pdev;
9027 bp->flags = 0;
9028 bp->pf_num = PCI_FUNC(pdev->devfn);
9029
9030 rc = pci_enable_device(pdev);
9031 if (rc) {
9032 dev_err(&bp->pdev->dev,
9033 "Cannot enable PCI device, aborting\n");
9034 goto err_out;
9035 }
9036
9037 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9038 dev_err(&bp->pdev->dev,
9039 "Cannot find PCI device base address, aborting\n");
9040 rc = -ENODEV;
9041 goto err_out_disable;
9042 }
9043
9044 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
9045 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9046 " base address, aborting\n");
9047 rc = -ENODEV;
9048 goto err_out_disable;
9049 }
9050
9051 if (atomic_read(&pdev->enable_cnt) == 1) {
9052 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9053 if (rc) {
9054 dev_err(&bp->pdev->dev,
9055 "Cannot obtain PCI resources, aborting\n");
9056 goto err_out_disable;
9057 }
9058
9059 pci_set_master(pdev);
9060 pci_save_state(pdev);
9061 }
9062
9063 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9064 if (bp->pm_cap == 0) {
9065 dev_err(&bp->pdev->dev,
9066 "Cannot find power management capability, aborting\n");
9067 rc = -EIO;
9068 goto err_out_release;
9069 }
9070
9071 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9072 if (bp->pcie_cap == 0) {
9073 dev_err(&bp->pdev->dev,
9074 "Cannot find PCI Express capability, aborting\n");
9075 rc = -EIO;
9076 goto err_out_release;
9077 }
9078
9079 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
9080 bp->flags |= USING_DAC_FLAG;
9081 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
9082 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9083 " failed, aborting\n");
9084 rc = -EIO;
9085 goto err_out_release;
9086 }
9087
9088 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
9089 dev_err(&bp->pdev->dev,
9090 "System does not support DMA, aborting\n");
9091 rc = -EIO;
9092 goto err_out_release;
9093 }
9094
9095 dev->mem_start = pci_resource_start(pdev, 0);
9096 dev->base_addr = dev->mem_start;
9097 dev->mem_end = pci_resource_end(pdev, 0);
9098
9099 dev->irq = pdev->irq;
9100
9101 bp->regview = pci_ioremap_bar(pdev, 0);
9102 if (!bp->regview) {
9103 dev_err(&bp->pdev->dev,
9104 "Cannot map register space, aborting\n");
9105 rc = -ENOMEM;
9106 goto err_out_release;
9107 }
9108
9109 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9110 min_t(u64, BNX2X_DB_SIZE(bp),
9111 pci_resource_len(pdev, 2)));
9112 if (!bp->doorbells) {
9113 dev_err(&bp->pdev->dev,
9114 "Cannot map doorbell space, aborting\n");
9115 rc = -ENOMEM;
9116 goto err_out_unmap;
9117 }
9118
9119 bnx2x_set_power_state(bp, PCI_D0);
9120
9121 /* clean indirect addresses */
9122 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9123 PCICFG_VENDOR_ID_OFFSET);
9124 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9125 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9126 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9127 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
9128
9129 /* Reset the load counter */
9130 bnx2x_clear_load_cnt(bp);
9131
9132 dev->watchdog_timeo = TX_TIMEOUT;
9133
9134 dev->netdev_ops = &bnx2x_netdev_ops;
9135 bnx2x_set_ethtool_ops(dev);
9136 dev->features |= NETIF_F_SG;
9137 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
9138 if (bp->flags & USING_DAC_FLAG)
9139 dev->features |= NETIF_F_HIGHDMA;
9140 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9141 dev->features |= NETIF_F_TSO6;
9142 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
9143
9144 dev->vlan_features |= NETIF_F_SG;
9145 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
9146 if (bp->flags & USING_DAC_FLAG)
9147 dev->vlan_features |= NETIF_F_HIGHDMA;
9148 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9149 dev->vlan_features |= NETIF_F_TSO6;
9150
9151 #ifdef BCM_DCB
9152 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9153 #endif
9154
9155 /* get_port_hwinfo() will set prtad and mmds properly */
9156 bp->mdio.prtad = MDIO_PRTAD_NONE;
9157 bp->mdio.mmds = 0;
9158 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9159 bp->mdio.dev = dev;
9160 bp->mdio.mdio_read = bnx2x_mdio_read;
9161 bp->mdio.mdio_write = bnx2x_mdio_write;
9162
9163 return 0;
9164
9165 err_out_unmap:
9166 if (bp->regview) {
9167 iounmap(bp->regview);
9168 bp->regview = NULL;
9169 }
9170 if (bp->doorbells) {
9171 iounmap(bp->doorbells);
9172 bp->doorbells = NULL;
9173 }
9174
9175 err_out_release:
9176 if (atomic_read(&pdev->enable_cnt) == 1)
9177 pci_release_regions(pdev);
9178
9179 err_out_disable:
9180 pci_disable_device(pdev);
9181 pci_set_drvdata(pdev, NULL);
9182
9183 err_out:
9184 return rc;
9185 }
9186
9187 static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9188 int *width, int *speed)
9189 {
9190 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9191
9192 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9193
9194 /* return value of 1=2.5GHz 2=5GHz */
9195 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
9196 }
9197
9198 static int bnx2x_check_firmware(struct bnx2x *bp)
9199 {
9200 const struct firmware *firmware = bp->firmware;
9201 struct bnx2x_fw_file_hdr *fw_hdr;
9202 struct bnx2x_fw_file_section *sections;
9203 u32 offset, len, num_ops;
9204 u16 *ops_offsets;
9205 int i;
9206 const u8 *fw_ver;
9207
9208 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9209 return -EINVAL;
9210
9211 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9212 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9213
9214 /* Make sure none of the offsets and sizes make us read beyond
9215 * the end of the firmware data */
9216 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9217 offset = be32_to_cpu(sections[i].offset);
9218 len = be32_to_cpu(sections[i].len);
9219 if (offset + len > firmware->size) {
9220 dev_err(&bp->pdev->dev,
9221 "Section %d length is out of bounds\n", i);
9222 return -EINVAL;
9223 }
9224 }
9225
9226 /* Likewise for the init_ops offsets */
9227 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9228 ops_offsets = (u16 *)(firmware->data + offset);
9229 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9230
9231 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9232 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
9233 dev_err(&bp->pdev->dev,
9234 "Section offset %d is out of bounds\n", i);
9235 return -EINVAL;
9236 }
9237 }
9238
9239 /* Check FW version */
9240 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9241 fw_ver = firmware->data + offset;
9242 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9243 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9244 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9245 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
9246 dev_err(&bp->pdev->dev,
9247 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
9248 fw_ver[0], fw_ver[1], fw_ver[2],
9249 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9250 BCM_5710_FW_MINOR_VERSION,
9251 BCM_5710_FW_REVISION_VERSION,
9252 BCM_5710_FW_ENGINEERING_VERSION);
9253 return -EINVAL;
9254 }
9255
9256 return 0;
9257 }
9258
9259 static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9260 {
9261 const __be32 *source = (const __be32 *)_source;
9262 u32 *target = (u32 *)_target;
9263 u32 i;
9264
9265 for (i = 0; i < n/4; i++)
9266 target[i] = be32_to_cpu(source[i]);
9267 }
9268
9269 /*
9270 Ops array is stored in the following format:
9271 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9272 */
9273 static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
9274 {
9275 const __be32 *source = (const __be32 *)_source;
9276 struct raw_op *target = (struct raw_op *)_target;
9277 u32 i, j, tmp;
9278
9279 for (i = 0, j = 0; i < n/8; i++, j += 2) {
9280 tmp = be32_to_cpu(source[j]);
9281 target[i].op = (tmp >> 24) & 0xff;
9282 target[i].offset = tmp & 0xffffff;
9283 target[i].raw_data = be32_to_cpu(source[j + 1]);
9284 }
9285 }
9286
9287 /**
9288 * IRO array is stored in the following format:
9289 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9290 */
9291 static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9292 {
9293 const __be32 *source = (const __be32 *)_source;
9294 struct iro *target = (struct iro *)_target;
9295 u32 i, j, tmp;
9296
9297 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9298 target[i].base = be32_to_cpu(source[j]);
9299 j++;
9300 tmp = be32_to_cpu(source[j]);
9301 target[i].m1 = (tmp >> 16) & 0xffff;
9302 target[i].m2 = tmp & 0xffff;
9303 j++;
9304 tmp = be32_to_cpu(source[j]);
9305 target[i].m3 = (tmp >> 16) & 0xffff;
9306 target[i].size = tmp & 0xffff;
9307 j++;
9308 }
9309 }
9310
9311 static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9312 {
9313 const __be16 *source = (const __be16 *)_source;
9314 u16 *target = (u16 *)_target;
9315 u32 i;
9316
9317 for (i = 0; i < n/2; i++)
9318 target[i] = be16_to_cpu(source[i]);
9319 }
9320
9321 #define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9322 do { \
9323 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9324 bp->arr = kmalloc(len, GFP_KERNEL); \
9325 if (!bp->arr) { \
9326 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9327 goto lbl; \
9328 } \
9329 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9330 (u8 *)bp->arr, len); \
9331 } while (0)
9332
9333 int bnx2x_init_firmware(struct bnx2x *bp)
9334 {
9335 const char *fw_file_name;
9336 struct bnx2x_fw_file_hdr *fw_hdr;
9337 int rc;
9338
9339 if (CHIP_IS_E1(bp))
9340 fw_file_name = FW_FILE_NAME_E1;
9341 else if (CHIP_IS_E1H(bp))
9342 fw_file_name = FW_FILE_NAME_E1H;
9343 else if (CHIP_IS_E2(bp))
9344 fw_file_name = FW_FILE_NAME_E2;
9345 else {
9346 BNX2X_ERR("Unsupported chip revision\n");
9347 return -EINVAL;
9348 }
9349
9350 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
9351
9352 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
9353 if (rc) {
9354 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
9355 goto request_firmware_exit;
9356 }
9357
9358 rc = bnx2x_check_firmware(bp);
9359 if (rc) {
9360 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
9361 goto request_firmware_exit;
9362 }
9363
9364 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9365
9366 /* Initialize the pointers to the init arrays */
9367 /* Blob */
9368 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9369
9370 /* Opcodes */
9371 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9372
9373 /* Offsets */
9374 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9375 be16_to_cpu_n);
9376
9377 /* STORMs firmware */
9378 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9379 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9380 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9381 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9382 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9383 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9384 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9385 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9386 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9387 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9388 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9389 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9390 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9391 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9392 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9393 be32_to_cpu(fw_hdr->csem_pram_data.offset);
9394 /* IRO */
9395 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
9396
9397 return 0;
9398
9399 iro_alloc_err:
9400 kfree(bp->init_ops_offsets);
9401 init_offsets_alloc_err:
9402 kfree(bp->init_ops);
9403 init_ops_alloc_err:
9404 kfree(bp->init_data);
9405 request_firmware_exit:
9406 release_firmware(bp->firmware);
9407
9408 return rc;
9409 }
9410
9411 static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9412 {
9413 int cid_count = L2_FP_COUNT(l2_cid_count);
9414
9415 #ifdef BCM_CNIC
9416 cid_count += CNIC_CID_MAX;
9417 #endif
9418 return roundup(cid_count, QM_CID_ROUND);
9419 }
9420
9421 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9422 const struct pci_device_id *ent)
9423 {
9424 struct net_device *dev = NULL;
9425 struct bnx2x *bp;
9426 int pcie_width, pcie_speed;
9427 int rc, cid_count;
9428
9429 switch (ent->driver_data) {
9430 case BCM57710:
9431 case BCM57711:
9432 case BCM57711E:
9433 cid_count = FP_SB_MAX_E1x;
9434 break;
9435
9436 case BCM57712:
9437 case BCM57712E:
9438 cid_count = FP_SB_MAX_E2;
9439 break;
9440
9441 default:
9442 pr_err("Unknown board_type (%ld), aborting\n",
9443 ent->driver_data);
9444 return -ENODEV;
9445 }
9446
9447 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
9448
9449 /* dev zeroed in init_etherdev */
9450 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
9451 if (!dev) {
9452 dev_err(&pdev->dev, "Cannot allocate net device\n");
9453 return -ENOMEM;
9454 }
9455
9456 bp = netdev_priv(dev);
9457 bp->msg_enable = debug;
9458
9459 pci_set_drvdata(pdev, dev);
9460
9461 bp->l2_cid_count = cid_count;
9462
9463 rc = bnx2x_init_dev(pdev, dev);
9464 if (rc < 0) {
9465 free_netdev(dev);
9466 return rc;
9467 }
9468
9469 rc = bnx2x_init_bp(bp);
9470 if (rc)
9471 goto init_one_exit;
9472
9473 /* calc qm_cid_count */
9474 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9475
9476 #ifdef BCM_CNIC
9477 /* disable FCOE L2 queue for E1x*/
9478 if (CHIP_IS_E1x(bp))
9479 bp->flags |= NO_FCOE_FLAG;
9480
9481 #endif
9482
9483 /* Configure interupt mode: try to enable MSI-X/MSI if
9484 * needed, set bp->num_queues appropriately.
9485 */
9486 bnx2x_set_int_mode(bp);
9487
9488 /* Add all NAPI objects */
9489 bnx2x_add_all_napi(bp);
9490
9491 rc = register_netdev(dev);
9492 if (rc) {
9493 dev_err(&pdev->dev, "Cannot register net device\n");
9494 goto init_one_exit;
9495 }
9496
9497 #ifdef BCM_CNIC
9498 if (!NO_FCOE(bp)) {
9499 /* Add storage MAC address */
9500 rtnl_lock();
9501 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9502 rtnl_unlock();
9503 }
9504 #endif
9505
9506 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
9507
9508 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9509 " IRQ %d, ", board_info[ent->driver_data].name,
9510 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
9511 pcie_width,
9512 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9513 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9514 "5GHz (Gen2)" : "2.5GHz",
9515 dev->base_addr, bp->pdev->irq);
9516 pr_cont("node addr %pM\n", dev->dev_addr);
9517
9518 return 0;
9519
9520 init_one_exit:
9521 if (bp->regview)
9522 iounmap(bp->regview);
9523
9524 if (bp->doorbells)
9525 iounmap(bp->doorbells);
9526
9527 free_netdev(dev);
9528
9529 if (atomic_read(&pdev->enable_cnt) == 1)
9530 pci_release_regions(pdev);
9531
9532 pci_disable_device(pdev);
9533 pci_set_drvdata(pdev, NULL);
9534
9535 return rc;
9536 }
9537
9538 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9539 {
9540 struct net_device *dev = pci_get_drvdata(pdev);
9541 struct bnx2x *bp;
9542
9543 if (!dev) {
9544 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9545 return;
9546 }
9547 bp = netdev_priv(dev);
9548
9549 #ifdef BCM_CNIC
9550 /* Delete storage MAC address */
9551 if (!NO_FCOE(bp)) {
9552 rtnl_lock();
9553 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9554 rtnl_unlock();
9555 }
9556 #endif
9557
9558 unregister_netdev(dev);
9559
9560 /* Delete all NAPI objects */
9561 bnx2x_del_all_napi(bp);
9562
9563 /* Disable MSI/MSI-X */
9564 bnx2x_disable_msi(bp);
9565
9566 /* Make sure RESET task is not scheduled before continuing */
9567 cancel_delayed_work_sync(&bp->reset_task);
9568
9569 if (bp->regview)
9570 iounmap(bp->regview);
9571
9572 if (bp->doorbells)
9573 iounmap(bp->doorbells);
9574
9575 bnx2x_free_mem_bp(bp);
9576
9577 free_netdev(dev);
9578
9579 if (atomic_read(&pdev->enable_cnt) == 1)
9580 pci_release_regions(pdev);
9581
9582 pci_disable_device(pdev);
9583 pci_set_drvdata(pdev, NULL);
9584 }
9585
9586 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9587 {
9588 int i;
9589
9590 bp->state = BNX2X_STATE_ERROR;
9591
9592 bp->rx_mode = BNX2X_RX_MODE_NONE;
9593
9594 bnx2x_netif_stop(bp, 0);
9595 netif_carrier_off(bp->dev);
9596
9597 del_timer_sync(&bp->timer);
9598 bp->stats_state = STATS_STATE_DISABLED;
9599 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9600
9601 /* Release IRQs */
9602 bnx2x_free_irq(bp);
9603
9604 /* Free SKBs, SGEs, TPA pool and driver internals */
9605 bnx2x_free_skbs(bp);
9606
9607 for_each_rx_queue(bp, i)
9608 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9609
9610 bnx2x_free_mem(bp);
9611
9612 bp->state = BNX2X_STATE_CLOSED;
9613
9614 return 0;
9615 }
9616
9617 static void bnx2x_eeh_recover(struct bnx2x *bp)
9618 {
9619 u32 val;
9620
9621 mutex_init(&bp->port.phy_mutex);
9622
9623 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9624 bp->link_params.shmem_base = bp->common.shmem_base;
9625 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9626
9627 if (!bp->common.shmem_base ||
9628 (bp->common.shmem_base < 0xA0000) ||
9629 (bp->common.shmem_base >= 0xC0000)) {
9630 BNX2X_DEV_INFO("MCP not active\n");
9631 bp->flags |= NO_MCP_FLAG;
9632 return;
9633 }
9634
9635 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9636 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9637 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9638 BNX2X_ERR("BAD MCP validity signature\n");
9639
9640 if (!BP_NOMCP(bp)) {
9641 bp->fw_seq =
9642 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9643 DRV_MSG_SEQ_NUMBER_MASK);
9644 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9645 }
9646 }
9647
9648 /**
9649 * bnx2x_io_error_detected - called when PCI error is detected
9650 * @pdev: Pointer to PCI device
9651 * @state: The current pci connection state
9652 *
9653 * This function is called after a PCI bus error affecting
9654 * this device has been detected.
9655 */
9656 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9657 pci_channel_state_t state)
9658 {
9659 struct net_device *dev = pci_get_drvdata(pdev);
9660 struct bnx2x *bp = netdev_priv(dev);
9661
9662 rtnl_lock();
9663
9664 netif_device_detach(dev);
9665
9666 if (state == pci_channel_io_perm_failure) {
9667 rtnl_unlock();
9668 return PCI_ERS_RESULT_DISCONNECT;
9669 }
9670
9671 if (netif_running(dev))
9672 bnx2x_eeh_nic_unload(bp);
9673
9674 pci_disable_device(pdev);
9675
9676 rtnl_unlock();
9677
9678 /* Request a slot reset */
9679 return PCI_ERS_RESULT_NEED_RESET;
9680 }
9681
9682 /**
9683 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9684 * @pdev: Pointer to PCI device
9685 *
9686 * Restart the card from scratch, as if from a cold-boot.
9687 */
9688 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9689 {
9690 struct net_device *dev = pci_get_drvdata(pdev);
9691 struct bnx2x *bp = netdev_priv(dev);
9692
9693 rtnl_lock();
9694
9695 if (pci_enable_device(pdev)) {
9696 dev_err(&pdev->dev,
9697 "Cannot re-enable PCI device after reset\n");
9698 rtnl_unlock();
9699 return PCI_ERS_RESULT_DISCONNECT;
9700 }
9701
9702 pci_set_master(pdev);
9703 pci_restore_state(pdev);
9704
9705 if (netif_running(dev))
9706 bnx2x_set_power_state(bp, PCI_D0);
9707
9708 rtnl_unlock();
9709
9710 return PCI_ERS_RESULT_RECOVERED;
9711 }
9712
9713 /**
9714 * bnx2x_io_resume - called when traffic can start flowing again
9715 * @pdev: Pointer to PCI device
9716 *
9717 * This callback is called when the error recovery driver tells us that
9718 * its OK to resume normal operation.
9719 */
9720 static void bnx2x_io_resume(struct pci_dev *pdev)
9721 {
9722 struct net_device *dev = pci_get_drvdata(pdev);
9723 struct bnx2x *bp = netdev_priv(dev);
9724
9725 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
9726 printk(KERN_ERR "Handling parity error recovery. "
9727 "Try again later\n");
9728 return;
9729 }
9730
9731 rtnl_lock();
9732
9733 bnx2x_eeh_recover(bp);
9734
9735 if (netif_running(dev))
9736 bnx2x_nic_load(bp, LOAD_NORMAL);
9737
9738 netif_device_attach(dev);
9739
9740 rtnl_unlock();
9741 }
9742
9743 static struct pci_error_handlers bnx2x_err_handler = {
9744 .error_detected = bnx2x_io_error_detected,
9745 .slot_reset = bnx2x_io_slot_reset,
9746 .resume = bnx2x_io_resume,
9747 };
9748
9749 static struct pci_driver bnx2x_pci_driver = {
9750 .name = DRV_MODULE_NAME,
9751 .id_table = bnx2x_pci_tbl,
9752 .probe = bnx2x_init_one,
9753 .remove = __devexit_p(bnx2x_remove_one),
9754 .suspend = bnx2x_suspend,
9755 .resume = bnx2x_resume,
9756 .err_handler = &bnx2x_err_handler,
9757 };
9758
9759 static int __init bnx2x_init(void)
9760 {
9761 int ret;
9762
9763 pr_info("%s", version);
9764
9765 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9766 if (bnx2x_wq == NULL) {
9767 pr_err("Cannot create workqueue\n");
9768 return -ENOMEM;
9769 }
9770
9771 ret = pci_register_driver(&bnx2x_pci_driver);
9772 if (ret) {
9773 pr_err("Cannot register driver\n");
9774 destroy_workqueue(bnx2x_wq);
9775 }
9776 return ret;
9777 }
9778
9779 static void __exit bnx2x_cleanup(void)
9780 {
9781 pci_unregister_driver(&bnx2x_pci_driver);
9782
9783 destroy_workqueue(bnx2x_wq);
9784 }
9785
9786 module_init(bnx2x_init);
9787 module_exit(bnx2x_cleanup);
9788
9789 #ifdef BCM_CNIC
9790
9791 /* count denotes the number of new completions we have seen */
9792 static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9793 {
9794 struct eth_spe *spe;
9795
9796 #ifdef BNX2X_STOP_ON_ERROR
9797 if (unlikely(bp->panic))
9798 return;
9799 #endif
9800
9801 spin_lock_bh(&bp->spq_lock);
9802 BUG_ON(bp->cnic_spq_pending < count);
9803 bp->cnic_spq_pending -= count;
9804
9805
9806 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9807 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9808 & SPE_HDR_CONN_TYPE) >>
9809 SPE_HDR_CONN_TYPE_SHIFT;
9810
9811 /* Set validation for iSCSI L2 client before sending SETUP
9812 * ramrod
9813 */
9814 if (type == ETH_CONNECTION_TYPE) {
9815 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9816 hdr.conn_and_cmd_data) >>
9817 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9818
9819 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9820 bnx2x_set_ctx_validation(&bp->context.
9821 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9822 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9823 }
9824
9825 /* There may be not more than 8 L2 and COMMON SPEs and not more
9826 * than 8 L5 SPEs in the air.
9827 */
9828 if ((type == NONE_CONNECTION_TYPE) ||
9829 (type == ETH_CONNECTION_TYPE)) {
9830 if (!atomic_read(&bp->spq_left))
9831 break;
9832 else
9833 atomic_dec(&bp->spq_left);
9834 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9835 (type == FCOE_CONNECTION_TYPE)) {
9836 if (bp->cnic_spq_pending >=
9837 bp->cnic_eth_dev.max_kwqe_pending)
9838 break;
9839 else
9840 bp->cnic_spq_pending++;
9841 } else {
9842 BNX2X_ERR("Unknown SPE type: %d\n", type);
9843 bnx2x_panic();
9844 break;
9845 }
9846
9847 spe = bnx2x_sp_get_next(bp);
9848 *spe = *bp->cnic_kwq_cons;
9849
9850 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9851 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9852
9853 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9854 bp->cnic_kwq_cons = bp->cnic_kwq;
9855 else
9856 bp->cnic_kwq_cons++;
9857 }
9858 bnx2x_sp_prod_update(bp);
9859 spin_unlock_bh(&bp->spq_lock);
9860 }
9861
9862 static int bnx2x_cnic_sp_queue(struct net_device *dev,
9863 struct kwqe_16 *kwqes[], u32 count)
9864 {
9865 struct bnx2x *bp = netdev_priv(dev);
9866 int i;
9867
9868 #ifdef BNX2X_STOP_ON_ERROR
9869 if (unlikely(bp->panic))
9870 return -EIO;
9871 #endif
9872
9873 spin_lock_bh(&bp->spq_lock);
9874
9875 for (i = 0; i < count; i++) {
9876 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9877
9878 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9879 break;
9880
9881 *bp->cnic_kwq_prod = *spe;
9882
9883 bp->cnic_kwq_pending++;
9884
9885 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9886 spe->hdr.conn_and_cmd_data, spe->hdr.type,
9887 spe->data.update_data_addr.hi,
9888 spe->data.update_data_addr.lo,
9889 bp->cnic_kwq_pending);
9890
9891 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9892 bp->cnic_kwq_prod = bp->cnic_kwq;
9893 else
9894 bp->cnic_kwq_prod++;
9895 }
9896
9897 spin_unlock_bh(&bp->spq_lock);
9898
9899 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9900 bnx2x_cnic_sp_post(bp, 0);
9901
9902 return i;
9903 }
9904
9905 static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9906 {
9907 struct cnic_ops *c_ops;
9908 int rc = 0;
9909
9910 mutex_lock(&bp->cnic_mutex);
9911 c_ops = bp->cnic_ops;
9912 if (c_ops)
9913 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9914 mutex_unlock(&bp->cnic_mutex);
9915
9916 return rc;
9917 }
9918
9919 static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9920 {
9921 struct cnic_ops *c_ops;
9922 int rc = 0;
9923
9924 rcu_read_lock();
9925 c_ops = rcu_dereference(bp->cnic_ops);
9926 if (c_ops)
9927 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9928 rcu_read_unlock();
9929
9930 return rc;
9931 }
9932
9933 /*
9934 * for commands that have no data
9935 */
9936 int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
9937 {
9938 struct cnic_ctl_info ctl = {0};
9939
9940 ctl.cmd = cmd;
9941
9942 return bnx2x_cnic_ctl_send(bp, &ctl);
9943 }
9944
9945 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9946 {
9947 struct cnic_ctl_info ctl;
9948
9949 /* first we tell CNIC and only then we count this as a completion */
9950 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9951 ctl.data.comp.cid = cid;
9952
9953 bnx2x_cnic_ctl_send_bh(bp, &ctl);
9954 bnx2x_cnic_sp_post(bp, 0);
9955 }
9956
9957 static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9958 {
9959 struct bnx2x *bp = netdev_priv(dev);
9960 int rc = 0;
9961
9962 switch (ctl->cmd) {
9963 case DRV_CTL_CTXTBL_WR_CMD: {
9964 u32 index = ctl->data.io.offset;
9965 dma_addr_t addr = ctl->data.io.dma_addr;
9966
9967 bnx2x_ilt_wr(bp, index, addr);
9968 break;
9969 }
9970
9971 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
9972 int count = ctl->data.credit.credit_count;
9973
9974 bnx2x_cnic_sp_post(bp, count);
9975 break;
9976 }
9977
9978 /* rtnl_lock is held. */
9979 case DRV_CTL_START_L2_CMD: {
9980 u32 cli = ctl->data.ring.client_id;
9981
9982 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
9983 bnx2x_del_fcoe_eth_macs(bp);
9984
9985 /* Set iSCSI MAC address */
9986 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
9987
9988 mmiowb();
9989 barrier();
9990
9991 /* Start accepting on iSCSI L2 ring. Accept all multicasts
9992 * because it's the only way for UIO Client to accept
9993 * multicasts (in non-promiscuous mode only one Client per
9994 * function will receive multicast packets (leading in our
9995 * case).
9996 */
9997 bnx2x_rxq_set_mac_filters(bp, cli,
9998 BNX2X_ACCEPT_UNICAST |
9999 BNX2X_ACCEPT_BROADCAST |
10000 BNX2X_ACCEPT_ALL_MULTICAST);
10001 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10002
10003 break;
10004 }
10005
10006 /* rtnl_lock is held. */
10007 case DRV_CTL_STOP_L2_CMD: {
10008 u32 cli = ctl->data.ring.client_id;
10009
10010 /* Stop accepting on iSCSI L2 ring */
10011 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10012 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10013
10014 mmiowb();
10015 barrier();
10016
10017 /* Unset iSCSI L2 MAC */
10018 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
10019 break;
10020 }
10021 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10022 int count = ctl->data.credit.credit_count;
10023
10024 smp_mb__before_atomic_inc();
10025 atomic_add(count, &bp->spq_left);
10026 smp_mb__after_atomic_inc();
10027 break;
10028 }
10029
10030 default:
10031 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10032 rc = -EINVAL;
10033 }
10034
10035 return rc;
10036 }
10037
10038 void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
10039 {
10040 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10041
10042 if (bp->flags & USING_MSIX_FLAG) {
10043 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10044 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10045 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10046 } else {
10047 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10048 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10049 }
10050 if (CHIP_IS_E2(bp))
10051 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10052 else
10053 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10054
10055 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
10056 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
10057 cp->irq_arr[1].status_blk = bp->def_status_blk;
10058 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
10059 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
10060
10061 cp->num_irq = 2;
10062 }
10063
10064 static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10065 void *data)
10066 {
10067 struct bnx2x *bp = netdev_priv(dev);
10068 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10069
10070 if (ops == NULL)
10071 return -EINVAL;
10072
10073 if (atomic_read(&bp->intr_sem) != 0)
10074 return -EBUSY;
10075
10076 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10077 if (!bp->cnic_kwq)
10078 return -ENOMEM;
10079
10080 bp->cnic_kwq_cons = bp->cnic_kwq;
10081 bp->cnic_kwq_prod = bp->cnic_kwq;
10082 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10083
10084 bp->cnic_spq_pending = 0;
10085 bp->cnic_kwq_pending = 0;
10086
10087 bp->cnic_data = data;
10088
10089 cp->num_irq = 0;
10090 cp->drv_state = CNIC_DRV_STATE_REGD;
10091 cp->iro_arr = bp->iro_arr;
10092
10093 bnx2x_setup_cnic_irq_info(bp);
10094
10095 rcu_assign_pointer(bp->cnic_ops, ops);
10096
10097 return 0;
10098 }
10099
10100 static int bnx2x_unregister_cnic(struct net_device *dev)
10101 {
10102 struct bnx2x *bp = netdev_priv(dev);
10103 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10104
10105 mutex_lock(&bp->cnic_mutex);
10106 cp->drv_state = 0;
10107 rcu_assign_pointer(bp->cnic_ops, NULL);
10108 mutex_unlock(&bp->cnic_mutex);
10109 synchronize_rcu();
10110 kfree(bp->cnic_kwq);
10111 bp->cnic_kwq = NULL;
10112
10113 return 0;
10114 }
10115
10116 struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10117 {
10118 struct bnx2x *bp = netdev_priv(dev);
10119 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10120
10121 cp->drv_owner = THIS_MODULE;
10122 cp->chip_id = CHIP_ID(bp);
10123 cp->pdev = bp->pdev;
10124 cp->io_base = bp->regview;
10125 cp->io_base2 = bp->doorbells;
10126 cp->max_kwqe_pending = 8;
10127 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
10128 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10129 bnx2x_cid_ilt_lines(bp);
10130 cp->ctx_tbl_len = CNIC_ILT_LINES;
10131 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
10132 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10133 cp->drv_ctl = bnx2x_drv_ctl;
10134 cp->drv_register_cnic = bnx2x_register_cnic;
10135 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
10136 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10137 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10138 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
10139 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
10140
10141 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10142 "starting cid %d\n",
10143 cp->ctx_blk_size,
10144 cp->ctx_tbl_offset,
10145 cp->ctx_tbl_len,
10146 cp->starting_cid);
10147 return cp;
10148 }
10149 EXPORT_SYMBOL(bnx2x_cnic_probe);
10150
10151 #endif /* BCM_CNIC */
10152
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