1 /* bnx2x_main.c: Broadcom Everest network driver.
3 * Copyright (c) 2007-2010 Broadcom Corporation
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.
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
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>
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>
51 #include <linux/stringify.h>
55 #include "bnx2x_init.h"
56 #include "bnx2x_init_ops.h"
57 #include "bnx2x_cmn.h"
58 #include "bnx2x_dcb.h"
60 #include <linux/firmware.h>
61 #include "bnx2x_fw_file_hdr.h"
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"
72 /* Time in jiffies before concluding the transmitter is hung */
73 #define TX_TIMEOUT (5*HZ)
75 static char version[] __devinitdata =
76 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
77 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
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);
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))");
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)");
98 static int disable_tpa;
99 module_param(disable_tpa, int, 0);
100 MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
103 module_param(int_mode, int, 0);
104 MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
107 static int dropless_fc;
108 module_param(dropless_fc, int, 0);
109 MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
112 module_param(poll, int, 0);
113 MODULE_PARM_DESC(poll, " Use polling (for debug)");
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)");
120 module_param(debug, int, 0);
121 MODULE_PARM_DESC(debug, " Default debug msglevel");
123 static struct workqueue_struct *bnx2x_wq;
126 static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
129 enum bnx2x_board_type {
137 /* indexed by board_type, above */
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" }
148 #ifndef PCI_DEVICE_ID_NX2_57712
149 #define PCI_DEVICE_ID_NX2_57712 0x1662
151 #ifndef PCI_DEVICE_ID_NX2_57712E
152 #define PCI_DEVICE_ID_NX2_57712E 0x1663
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 },
164 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
166 /****************************************************************************
167 * General service functions
168 ****************************************************************************/
170 static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
171 u32 addr, dma_addr_t mapping)
173 REG_WR(bp, addr, U64_LO(mapping));
174 REG_WR(bp, addr + 4, U64_HI(mapping));
177 static inline void __storm_memset_fill(struct bnx2x *bp,
178 u32 addr, size_t size, u32 val)
181 for (i = 0; i < size/4; i++)
182 REG_WR(bp, addr + (i * 4), val);
185 static inline void storm_memset_ustats_zero(struct bnx2x *bp,
186 u8 port, u16 stat_id)
188 size_t size = sizeof(struct ustorm_per_client_stats);
190 u32 addr = BAR_USTRORM_INTMEM +
191 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
193 __storm_memset_fill(bp, addr, size, 0);
196 static inline void storm_memset_tstats_zero(struct bnx2x *bp,
197 u8 port, u16 stat_id)
199 size_t size = sizeof(struct tstorm_per_client_stats);
201 u32 addr = BAR_TSTRORM_INTMEM +
202 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
204 __storm_memset_fill(bp, addr, size, 0);
207 static inline void storm_memset_xstats_zero(struct bnx2x *bp,
208 u8 port, u16 stat_id)
210 size_t size = sizeof(struct xstorm_per_client_stats);
212 u32 addr = BAR_XSTRORM_INTMEM +
213 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
215 __storm_memset_fill(bp, addr, size, 0);
219 static inline void storm_memset_spq_addr(struct bnx2x *bp,
220 dma_addr_t mapping, u16 abs_fid)
222 u32 addr = XSEM_REG_FAST_MEMORY +
223 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
225 __storm_memset_dma_mapping(bp, addr, mapping);
228 static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
230 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
233 static inline void storm_memset_func_cfg(struct bnx2x *bp,
234 struct tstorm_eth_function_common_config *tcfg,
237 size_t size = sizeof(struct tstorm_eth_function_common_config);
239 u32 addr = BAR_TSTRORM_INTMEM +
240 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
242 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
245 static inline void storm_memset_xstats_flags(struct bnx2x *bp,
246 struct stats_indication_flags *flags,
249 size_t size = sizeof(struct stats_indication_flags);
251 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
253 __storm_memset_struct(bp, addr, size, (u32 *)flags);
256 static inline void storm_memset_tstats_flags(struct bnx2x *bp,
257 struct stats_indication_flags *flags,
260 size_t size = sizeof(struct stats_indication_flags);
262 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
264 __storm_memset_struct(bp, addr, size, (u32 *)flags);
267 static inline void storm_memset_ustats_flags(struct bnx2x *bp,
268 struct stats_indication_flags *flags,
271 size_t size = sizeof(struct stats_indication_flags);
273 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
275 __storm_memset_struct(bp, addr, size, (u32 *)flags);
278 static inline void storm_memset_cstats_flags(struct bnx2x *bp,
279 struct stats_indication_flags *flags,
282 size_t size = sizeof(struct stats_indication_flags);
284 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
286 __storm_memset_struct(bp, addr, size, (u32 *)flags);
289 static inline void storm_memset_xstats_addr(struct bnx2x *bp,
290 dma_addr_t mapping, u16 abs_fid)
292 u32 addr = BAR_XSTRORM_INTMEM +
293 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
295 __storm_memset_dma_mapping(bp, addr, mapping);
298 static inline void storm_memset_tstats_addr(struct bnx2x *bp,
299 dma_addr_t mapping, u16 abs_fid)
301 u32 addr = BAR_TSTRORM_INTMEM +
302 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
304 __storm_memset_dma_mapping(bp, addr, mapping);
307 static inline void storm_memset_ustats_addr(struct bnx2x *bp,
308 dma_addr_t mapping, u16 abs_fid)
310 u32 addr = BAR_USTRORM_INTMEM +
311 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
313 __storm_memset_dma_mapping(bp, addr, mapping);
316 static inline void storm_memset_cstats_addr(struct bnx2x *bp,
317 dma_addr_t mapping, u16 abs_fid)
319 u32 addr = BAR_CSTRORM_INTMEM +
320 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
322 __storm_memset_dma_mapping(bp, addr, mapping);
325 static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
338 static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
341 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
343 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
345 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
347 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
351 static inline void storm_memset_eq_data(struct bnx2x *bp,
352 struct event_ring_data *eq_data,
355 size_t size = sizeof(struct event_ring_data);
357 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
359 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
362 static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
365 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
366 REG_WR16(bp, addr, eq_prod);
369 static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
370 u16 fw_sb_id, u8 sb_index,
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) +
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);
386 static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
387 u16 fw_sb_id, u8 sb_index,
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) +
397 sizeof(struct hc_index_data)*sb_index +
398 offsetof(struct hc_index_data, flags);
399 u16 flags = REG_RD16(bp, addr);
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);
409 * locking is done by mcp
411 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
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);
419 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
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);
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]"
437 static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
440 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
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,
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,
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,
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,
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] "
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,
489 DP(msglvl, "DMAE: opcode 0x%08x\n"
490 DP_LEVEL "src_addr [%08x] len [%d * 4] "
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,
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
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)
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));
518 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
519 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
521 REG_WR(bp, dmae_reg_go_c[idx], 1);
524 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
526 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
530 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
532 return opcode & ~DMAE_CMD_SRC_RESET;
535 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
536 bool with_comp, u8 comp_type)
540 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
541 (dst_type << DMAE_COMMAND_DST_SHIFT));
543 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
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);
551 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
553 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
556 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
560 static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
561 struct dmae_command *dmae,
562 u8 src_type, u8 dst_type)
564 memset(dmae, 0, sizeof(struct dmae_command));
567 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
568 true, DMAE_COMP_PCI);
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;
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)
580 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
581 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
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]);
588 /* lock the dmae channel */
589 mutex_lock(&bp->dmae_mutex);
591 /* reset completion */
594 /* post the command on the channel used for initializations */
595 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
597 /* wait for completion */
599 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
600 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
603 BNX2X_ERR("DMAE timeout!\n");
610 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
611 BNX2X_ERR("DMAE PCI error!\n");
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]);
620 mutex_unlock(&bp->dmae_mutex);
624 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
627 struct dmae_command dmae;
629 if (!bp->dmae_ready) {
630 u32 *data = bnx2x_sp(bp, wb_data[0]);
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);
638 /* set opcode and fixed command fields */
639 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
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;
648 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
650 /* issue the command and wait for completion */
651 bnx2x_issue_dmae_with_comp(bp, &dmae);
654 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
656 struct dmae_command dmae;
658 if (!bp->dmae_ready) {
659 u32 *data = bnx2x_sp(bp, wb_data[0]);
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);
669 /* set opcode and fixed command fields */
670 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
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));
679 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
681 /* issue the command and wait for completion */
682 bnx2x_issue_dmae_with_comp(bp, &dmae);
685 static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
688 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
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;
698 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
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)
706 wb_write[0] = val_hi;
707 wb_write[1] = val_lo;
708 REG_WR_DMAE(bp, reg, wb_write, 2);
712 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
716 REG_RD_DMAE(bp, reg, wb_data, 2);
718 return HILO_U64(wb_data[0], wb_data[1]);
722 static int bnx2x_mc_assert(struct bnx2x *bp)
726 u32 row0, row1, row2, row3;
729 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
730 XSTORM_ASSERT_LIST_INDEX_OFFSET);
732 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
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);
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);
757 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
758 TSTORM_ASSERT_LIST_INDEX_OFFSET);
760 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
762 /* print the asserts */
763 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
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);
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);
785 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
786 CSTORM_ASSERT_LIST_INDEX_OFFSET);
788 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
790 /* print the asserts */
791 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
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);
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);
813 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
814 USTORM_ASSERT_LIST_INDEX_OFFSET);
816 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
818 /* print the asserts */
819 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
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);
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);
843 static void bnx2x_fw_dump(struct bnx2x *bp)
849 u32 trace_shmem_base;
851 BNX2X_ERR("NO MCP - can not dump\n");
855 if (BP_PATH(bp) == 0)
856 trace_shmem_base = bp->common.shmem_base;
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);
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));
870 pr_cont("%s", (char *)data);
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));
876 pr_cont("%s", (char *)data);
878 pr_err("end of fw dump\n");
881 void bnx2x_panic_dump(struct bnx2x *bp)
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;
891 bp->stats_state = STATS_STATE_DISABLED;
892 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
894 BNX2X_ERR("begin crash dump -----------------\n");
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);
908 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
910 bp->def_status_blk->sp_sb.index_values[i],
911 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
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) +
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);
929 for_each_eth_queue(bp, i) {
930 struct bnx2x_fastpath *fp = &bp->fp[i];
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 =
936 sb_data_e2.common.state_machine :
937 sb_data_e1x.common.state_machine;
938 struct hc_index_data *hc_index_p =
940 sb_data_e2.index_data :
941 sb_data_e1x.index_data;
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,
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));
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));
964 loop = CHIP_IS_E2(bp) ?
965 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
973 BNX2X_ERR(" run indexes (");
974 for (j = 0; j < HC_SB_MAX_SM; j++)
976 fp->sb_running_index[j],
977 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
979 BNX2X_ERR(" indexes (");
980 for (j = 0; j < loop; j++)
982 fp->sb_index_values[j],
983 (j == loop - 1) ? ")" : " ");
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) ?
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) +
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);
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);
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,
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);
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);
1038 #ifdef BNX2X_STOP_ON_ERROR
1041 for_each_rx_queue(bp, i) {
1042 struct bnx2x_fastpath *fp = &bp->fp[i];
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];
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);
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];
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);
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];
1069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
1075 for_each_tx_queue(bp, i) {
1076 struct bnx2x_fastpath *fp = &bp->fp[i];
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];
1083 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1084 i, j, sw_bd->skb, sw_bd->first_bd);
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];
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]);
1098 bnx2x_mc_assert(bp);
1099 BNX2X_ERR("end crash dump -----------------\n");
1102 static void bnx2x_hc_int_enable(struct bnx2x *bp)
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;
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);
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);
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);
1126 if (!CHIP_IS_E1(bp)) {
1127 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1130 REG_WR(bp, addr, val);
1132 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1137 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
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")));
1142 REG_WR(bp, addr, val);
1144 * Ensure that HC_CONFIG is written before leading/trailing edge config
1149 if (!CHIP_IS_E1(bp)) {
1150 /* init leading/trailing edge */
1152 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1154 /* enable nig and gpio3 attention */
1159 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1160 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1163 /* Make sure that interrupts are indeed enabled from here on */
1167 static void bnx2x_igu_int_enable(struct bnx2x *bp)
1170 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1171 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1173 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
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);
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);
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);
1195 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1196 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1198 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1202 /* init leading/trailing edge */
1204 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1206 /* enable nig and gpio3 attention */
1211 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1212 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1214 /* Make sure that interrupts are indeed enabled from here on */
1218 void bnx2x_int_enable(struct bnx2x *bp)
1220 if (bp->common.int_block == INT_BLOCK_HC)
1221 bnx2x_hc_int_enable(bp);
1223 bnx2x_igu_int_enable(bp);
1226 static void bnx2x_hc_int_disable(struct bnx2x *bp)
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);
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
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
1242 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
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);
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);
1253 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1256 /* flush all outstanding writes */
1259 REG_WR(bp, addr, val);
1260 if (REG_RD(bp, addr) != val)
1261 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1264 static void bnx2x_igu_int_disable(struct bnx2x *bp)
1266 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1268 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1269 IGU_PF_CONF_INT_LINE_EN |
1270 IGU_PF_CONF_ATTN_BIT_EN);
1272 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1274 /* flush all outstanding writes */
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");
1282 static void bnx2x_int_disable(struct bnx2x *bp)
1284 if (bp->common.int_block == INT_BLOCK_HC)
1285 bnx2x_hc_int_disable(bp);
1287 bnx2x_igu_int_disable(bp);
1290 void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
1292 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1295 /* disable interrupt handling */
1296 atomic_inc(&bp->intr_sem);
1297 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1300 /* prevent the HW from sending interrupts */
1301 bnx2x_int_disable(bp);
1303 /* make sure all ISRs are done */
1305 synchronize_irq(bp->msix_table[0].vector);
1310 for_each_eth_queue(bp, i)
1311 synchronize_irq(bp->msix_table[i + offset].vector);
1313 synchronize_irq(bp->pdev->irq);
1315 /* make sure sp_task is not running */
1316 cancel_delayed_work(&bp->sp_task);
1317 flush_workqueue(bnx2x_wq);
1323 * General service functions
1326 /* Return true if succeeded to acquire the lock */
1327 static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1330 u32 resource_bit = (1 << resource);
1331 int func = BP_FUNC(bp);
1332 u32 hw_lock_control_reg;
1334 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1336 /* Validating that the resource is within range */
1337 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1339 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1340 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1345 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1347 hw_lock_control_reg =
1348 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
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)
1356 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1361 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1364 void bnx2x_sp_event(struct bnx2x_fastpath *fp,
1365 union eth_rx_cqe *rr_cqe)
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);
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);
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;
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;
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;
1393 BNX2X_ERR("unexpected MC reply (%d) "
1394 "fp[%d] state is %x\n",
1395 command, fp->index, fp->state);
1399 smp_mb__before_atomic_inc();
1400 atomic_inc(&bp->spq_left);
1401 /* push the change in fp->state and towards the memory */
1407 irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1409 struct bnx2x *bp = netdev_priv(dev_instance);
1410 u16 status = bnx2x_ack_int(bp);
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");
1419 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
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");
1427 #ifdef BNX2X_STOP_ON_ERROR
1428 if (unlikely(bp->panic))
1432 for_each_eth_queue(bp, i) {
1433 struct bnx2x_fastpath *fp = &bp->fp[i];
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));
1448 if (status & (mask | 0x1)) {
1449 struct cnic_ops *c_ops = NULL;
1452 c_ops = rcu_dereference(bp->cnic_ops);
1454 c_ops->cnic_handler(bp->cnic_data, NULL);
1461 if (unlikely(status & 0x1)) {
1462 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1469 if (unlikely(status))
1470 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
1476 /* end of fast path */
1482 * General service functions
1485 int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1488 u32 resource_bit = (1 << resource);
1489 int func = BP_FUNC(bp);
1490 u32 hw_lock_control_reg;
1493 /* Validating that the resource is within range */
1494 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1496 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1497 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1502 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1504 hw_lock_control_reg =
1505 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
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);
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)
1526 DP(NETIF_MSG_HW, "Timeout\n");
1530 int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1533 u32 resource_bit = (1 << resource);
1534 int func = BP_FUNC(bp);
1535 u32 hw_lock_control_reg;
1537 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1539 /* Validating that the resource is within range */
1540 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1542 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1543 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1548 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1550 hw_lock_control_reg =
1551 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
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);
1562 REG_WR(bp, hw_lock_control_reg, resource_bit);
1567 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
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);
1578 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1579 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1583 /* read GPIO value */
1584 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1586 /* get the requested pin value */
1587 if ((gpio_reg & gpio_mask) == gpio_mask)
1592 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1597 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
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);
1607 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1608 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
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);
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);
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);
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);
1637 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1644 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1645 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1650 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
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);
1660 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1661 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1665 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1667 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
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);
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);
1690 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1691 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1696 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1698 u32 spio_mask = (1 << spio_num);
1701 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1702 (spio_num > MISC_REGISTERS_SPIO_7)) {
1703 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
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);
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);
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);
1726 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1727 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1729 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1736 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1737 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1742 int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
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;
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;
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;
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
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;
1778 return LINK_CONFIG_IDX(sel_phy_idx);
1781 void bnx2x_calc_fc_adv(struct bnx2x *bp)
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 |
1791 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1792 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
1796 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1797 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
1801 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
1807 u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
1809 if (!BP_NOMCP(bp)) {
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;
1819 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1821 bnx2x_acquire_phy_lock(bp);
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;
1828 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1830 bnx2x_release_phy_lock(bp);
1832 bnx2x_calc_fc_adv(bp);
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);
1838 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
1841 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
1845 void bnx2x_link_set(struct bnx2x *bp)
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);
1853 bnx2x_calc_fc_adv(bp);
1855 BNX2X_ERR("Bootcode is missing - can not set link\n");
1858 static void bnx2x__link_reset(struct bnx2x *bp)
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);
1865 BNX2X_ERR("Bootcode is missing - can not reset link\n");
1868 u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
1872 if (!BP_NOMCP(bp)) {
1873 bnx2x_acquire_phy_lock(bp);
1874 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1876 bnx2x_release_phy_lock(bp);
1878 BNX2X_ERR("Bootcode is missing - can not test link\n");
1883 static void bnx2x_init_port_minmax(struct bnx2x *bp)
1885 u32 r_param = bp->link_vars.line_speed / 8;
1886 u32 fair_periodic_timeout_usec;
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));
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;
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;
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;
1907 /* this is the threshold below which we won't arm the timer anymore */
1908 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
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;
1918 /* Calculates the sum of vn_min_rates.
1919 It's needed for further normalizing of the min_rates.
1921 sum of vn_min_rates.
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.
1927 static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
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;
1938 /* Skip hidden vns */
1939 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1942 /* If min rate is zero - set it to 1 */
1944 vn_min_rate = DEF_MIN_RATE;
1948 bp->vn_weight_sum += vn_min_rate;
1951 /* ... only if all min rates are zeros - disable fairness */
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");
1958 bp->cmng.flags.cmng_enables |=
1959 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1962 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
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;
1971 /* If function is hidden - set min and max to zeroes */
1972 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
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;
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);
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));
1993 /* global vn counter - maximal Mbps for this vn */
1994 m_rs_vn.vn_counter.rate = vn_max_rate;
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;
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
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);
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]);
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]);
2026 static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2028 if (CHIP_REV_IS_SLOW(bp))
2029 return CMNG_FNS_NONE;
2031 return CMNG_FNS_MINMAX;
2033 return CMNG_FNS_NONE;
2036 static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2038 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
2041 return; /* what should be the default bvalue in this case */
2043 /* For 2 port configuration the absolute function number formula
2045 * abs_func = 2 * vn + BP_PORT + BP_PATH
2047 * and there are 4 functions per port
2049 * For 4 port configuration it is
2050 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2052 * and there are 2 functions per port
2054 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2055 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2057 if (func >= E1H_FUNC_MAX)
2061 MF_CFG_RD(bp, func_mf_config[func].config);
2065 static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2068 if (cmng_type == CMNG_FNS_MINMAX) {
2071 /* clear cmng_enables */
2072 bp->cmng.flags.cmng_enables = 0;
2074 /* read mf conf from shmem */
2076 bnx2x_read_mf_cfg(bp);
2078 /* Init rate shaping and fairness contexts */
2079 bnx2x_init_port_minmax(bp);
2081 /* vn_weight_sum and enable fairness if not 0 */
2082 bnx2x_calc_vn_weight_sum(bp);
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);
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");
2097 /* rate shaping and fairness are disabled */
2099 "rate shaping and fairness are disabled\n");
2102 static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2104 int port = BP_PORT(bp);
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))
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);
2119 /* This function is called upon link interrupt */
2120 static void bnx2x_link_attn(struct bnx2x *bp)
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);
2126 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2128 if (bp->link_vars.link_up) {
2130 /* dropless flow control */
2131 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
2132 int port = BP_PORT(bp);
2133 u32 pause_enabled = 0;
2135 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2138 REG_WR(bp, BAR_USTRORM_INTMEM +
2139 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
2143 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2144 struct host_port_stats *pstats;
2146 pstats = bnx2x_sp(bp, port_stats);
2147 /* reset old bmac stats */
2148 memset(&(pstats->mac_stx[0]), 0,
2149 sizeof(struct mac_stx));
2151 if (bp->state == BNX2X_STATE_OPEN)
2152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
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);
2160 bnx2x_link_sync_notify(bp);
2162 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2163 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
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));
2169 /* rate shaping and fairness are disabled */
2171 "single function mode without fairness\n");
2175 void bnx2x__link_status_update(struct bnx2x *bp)
2177 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
2180 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2182 if (bp->link_vars.link_up)
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2185 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
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);
2191 /* indicate link status */
2192 bnx2x_link_report(bp);
2195 static void bnx2x_pmf_update(struct bnx2x *bp)
2197 int port = BP_PORT(bp);
2201 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
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);
2213 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2221 * General service functions
2224 /* send the MCP a request, block until there is a reply */
2225 u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
2227 int mb_idx = BP_FW_MB_IDX(bp);
2228 u32 seq = ++bp->fw_seq;
2231 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
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));
2237 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2240 /* let the FW do it's magic ... */
2243 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
2245 /* Give the FW up to 5 second (500*10ms) */
2246 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
2248 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2249 cnt*delay, rc, seq);
2251 /* is this a reply to our command? */
2252 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2253 rc &= FW_MSG_CODE_MASK;
2256 BNX2X_ERR("FW failed to respond!\n");
2260 mutex_unlock(&bp->fw_mb_mutex);
2265 static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2268 if (IS_FCOE_FP(fp) && IS_MF(bp))
2274 /* must be called under rtnl_lock */
2275 static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
2277 u32 mask = (1 << cl_id);
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;
2284 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2285 unmatched_unicast = 1;
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;
2293 * SI mode defines to accept in promiscuos mode
2294 * only unmatched packets
2296 unmatched_unicast = 1;
2300 if (filters & BNX2X_ACCEPT_UNICAST) {
2301 /* accept matched ucast */
2304 if (filters & BNX2X_ACCEPT_MULTICAST)
2305 /* accept matched mcast */
2308 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2309 /* accept all mcast */
2313 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2314 /* accept all mcast */
2318 if (filters & BNX2X_ACCEPT_BROADCAST) {
2319 /* accept (all) bcast */
2324 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2325 bp->mac_filters.ucast_drop_all | mask :
2326 bp->mac_filters.ucast_drop_all & ~mask;
2328 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2329 bp->mac_filters.mcast_drop_all | mask :
2330 bp->mac_filters.mcast_drop_all & ~mask;
2332 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2333 bp->mac_filters.bcast_drop_all | mask :
2334 bp->mac_filters.bcast_drop_all & ~mask;
2336 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2337 bp->mac_filters.ucast_accept_all | mask :
2338 bp->mac_filters.ucast_accept_all & ~mask;
2340 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2341 bp->mac_filters.mcast_accept_all | mask :
2342 bp->mac_filters.mcast_accept_all & ~mask;
2344 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2345 bp->mac_filters.bcast_accept_all | mask :
2346 bp->mac_filters.bcast_accept_all & ~mask;
2348 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2349 bp->mac_filters.unmatched_unicast | mask :
2350 bp->mac_filters.unmatched_unicast & ~mask;
2353 static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
2355 struct tstorm_eth_function_common_config tcfg = {0};
2359 if (p->func_flgs & FUNC_FLG_TPA)
2360 tcfg.config_flags |=
2361 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
2364 rss_flgs = (p->rss->mode <<
2365 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
2367 if (p->rss->cap & RSS_IPV4_CAP)
2368 rss_flgs |= RSS_IPV4_CAP_MASK;
2369 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2370 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2371 if (p->rss->cap & RSS_IPV6_CAP)
2372 rss_flgs |= RSS_IPV6_CAP_MASK;
2373 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2374 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
2376 tcfg.config_flags |= rss_flgs;
2377 tcfg.rss_result_mask = p->rss->result_mask;
2379 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2381 /* Enable the function in the FW */
2382 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2383 storm_memset_func_en(bp, p->func_id, 1);
2386 if (p->func_flgs & FUNC_FLG_STATS) {
2387 struct stats_indication_flags stats_flags = {0};
2388 stats_flags.collect_eth = 1;
2390 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2391 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2393 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2394 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2396 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2397 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2399 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2400 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2404 if (p->func_flgs & FUNC_FLG_SPQ) {
2405 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2406 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2407 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2411 static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2412 struct bnx2x_fastpath *fp)
2416 /* calculate queue flags */
2417 flags |= QUEUE_FLG_CACHE_ALIGN;
2418 flags |= QUEUE_FLG_HC;
2419 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
2421 flags |= QUEUE_FLG_VLAN;
2422 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
2424 if (!fp->disable_tpa)
2425 flags |= QUEUE_FLG_TPA;
2427 flags = stat_counter_valid(bp, fp) ?
2428 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
2433 static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2434 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2435 struct bnx2x_rxq_init_params *rxq_init)
2439 u16 tpa_agg_size = 0;
2441 /* calculate queue flags */
2442 u16 flags = bnx2x_get_cl_flags(bp, fp);
2444 if (!fp->disable_tpa) {
2445 pause->sge_th_hi = 250;
2446 pause->sge_th_lo = 150;
2447 tpa_agg_size = min_t(u32,
2448 (min_t(u32, 8, MAX_SKB_FRAGS) *
2449 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2450 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2452 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2453 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2454 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2458 /* pause - not for e1 */
2459 if (!CHIP_IS_E1(bp)) {
2460 pause->bd_th_hi = 350;
2461 pause->bd_th_lo = 250;
2462 pause->rcq_th_hi = 350;
2463 pause->rcq_th_lo = 250;
2464 pause->sge_th_hi = 0;
2465 pause->sge_th_lo = 0;
2470 rxq_init->flags = flags;
2471 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2472 rxq_init->dscr_map = fp->rx_desc_mapping;
2473 rxq_init->sge_map = fp->rx_sge_mapping;
2474 rxq_init->rcq_map = fp->rx_comp_mapping;
2475 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2476 rxq_init->mtu = bp->dev->mtu;
2477 rxq_init->buf_sz = bp->rx_buf_size;
2478 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2479 rxq_init->cl_id = fp->cl_id;
2480 rxq_init->spcl_id = fp->cl_id;
2481 rxq_init->stat_id = fp->cl_id;
2482 rxq_init->tpa_agg_sz = tpa_agg_size;
2483 rxq_init->sge_buf_sz = sge_sz;
2484 rxq_init->max_sges_pkt = max_sge;
2485 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2486 rxq_init->fw_sb_id = fp->fw_sb_id;
2489 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2491 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
2493 rxq_init->cid = HW_CID(bp, fp->cid);
2495 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2498 static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2499 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2501 u16 flags = bnx2x_get_cl_flags(bp, fp);
2503 txq_init->flags = flags;
2504 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2505 txq_init->dscr_map = fp->tx_desc_mapping;
2506 txq_init->stat_id = fp->cl_id;
2507 txq_init->cid = HW_CID(bp, fp->cid);
2508 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2509 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2510 txq_init->fw_sb_id = fp->fw_sb_id;
2512 if (IS_FCOE_FP(fp)) {
2513 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2514 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2517 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2520 static void bnx2x_pf_init(struct bnx2x *bp)
2522 struct bnx2x_func_init_params func_init = {0};
2523 struct bnx2x_rss_params rss = {0};
2524 struct event_ring_data eq_data = { {0} };
2527 /* pf specific setups */
2528 if (!CHIP_IS_E1(bp))
2529 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
2531 if (CHIP_IS_E2(bp)) {
2532 /* reset IGU PF statistics: MSIX + ATTN */
2534 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2535 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2536 (CHIP_MODE_IS_4_PORT(bp) ?
2537 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2539 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2540 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2541 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2542 (CHIP_MODE_IS_4_PORT(bp) ?
2543 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2546 /* function setup flags */
2547 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2549 if (CHIP_IS_E1x(bp))
2550 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2552 flags |= FUNC_FLG_TPA;
2554 /* function setup */
2557 * Although RSS is meaningless when there is a single HW queue we
2558 * still need it enabled in order to have HW Rx hash generated.
2560 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2561 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2562 rss.mode = bp->multi_mode;
2563 rss.result_mask = MULTI_MASK;
2564 func_init.rss = &rss;
2566 func_init.func_flgs = flags;
2567 func_init.pf_id = BP_FUNC(bp);
2568 func_init.func_id = BP_FUNC(bp);
2569 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2570 func_init.spq_map = bp->spq_mapping;
2571 func_init.spq_prod = bp->spq_prod_idx;
2573 bnx2x_func_init(bp, &func_init);
2575 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2578 Congestion management values depend on the link rate
2579 There is no active link so initial link rate is set to 10 Gbps.
2580 When the link comes up The congestion management values are
2581 re-calculated according to the actual link rate.
2583 bp->link_vars.line_speed = SPEED_10000;
2584 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2586 /* Only the PMF sets the HW */
2588 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2590 /* no rx until link is up */
2591 bp->rx_mode = BNX2X_RX_MODE_NONE;
2592 bnx2x_set_storm_rx_mode(bp);
2594 /* init Event Queue */
2595 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2596 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2597 eq_data.producer = bp->eq_prod;
2598 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2599 eq_data.sb_id = DEF_SB_ID;
2600 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2604 static void bnx2x_e1h_disable(struct bnx2x *bp)
2606 int port = BP_PORT(bp);
2608 netif_tx_disable(bp->dev);
2610 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2612 netif_carrier_off(bp->dev);
2615 static void bnx2x_e1h_enable(struct bnx2x *bp)
2617 int port = BP_PORT(bp);
2619 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2621 /* Tx queue should be only reenabled */
2622 netif_tx_wake_all_queues(bp->dev);
2625 * Should not call netif_carrier_on since it will be called if the link
2626 * is up when checking for link state
2630 /* called due to MCP event (on pmf):
2631 * reread new bandwidth configuration
2633 * notify others function about the change
2635 static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2637 if (bp->link_vars.link_up) {
2638 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2639 bnx2x_link_sync_notify(bp);
2641 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2644 static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2646 bnx2x_config_mf_bw(bp);
2647 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2650 static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2652 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
2654 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2657 * This is the only place besides the function initialization
2658 * where the bp->flags can change so it is done without any
2661 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2662 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
2663 bp->flags |= MF_FUNC_DIS;
2665 bnx2x_e1h_disable(bp);
2667 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2668 bp->flags &= ~MF_FUNC_DIS;
2670 bnx2x_e1h_enable(bp);
2672 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2674 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
2675 bnx2x_config_mf_bw(bp);
2676 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2679 /* Report results to MCP */
2681 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
2683 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
2686 /* must be called under the spq lock */
2687 static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2689 struct eth_spe *next_spe = bp->spq_prod_bd;
2691 if (bp->spq_prod_bd == bp->spq_last_bd) {
2692 bp->spq_prod_bd = bp->spq;
2693 bp->spq_prod_idx = 0;
2694 DP(NETIF_MSG_TIMER, "end of spq\n");
2702 /* must be called under the spq lock */
2703 static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2705 int func = BP_FUNC(bp);
2707 /* Make sure that BD data is updated before writing the producer */
2710 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2715 /* the slow path queue is odd since completions arrive on the fastpath ring */
2716 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2717 u32 data_hi, u32 data_lo, int common)
2719 struct eth_spe *spe;
2722 #ifdef BNX2X_STOP_ON_ERROR
2723 if (unlikely(bp->panic))
2727 spin_lock_bh(&bp->spq_lock);
2729 if (!atomic_read(&bp->spq_left)) {
2730 BNX2X_ERR("BUG! SPQ ring full!\n");
2731 spin_unlock_bh(&bp->spq_lock);
2736 spe = bnx2x_sp_get_next(bp);
2738 /* CID needs port number to be encoded int it */
2739 spe->hdr.conn_and_cmd_data =
2740 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2745 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2746 * TRAFFIC_STOP, TRAFFIC_START
2748 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2749 & SPE_HDR_CONN_TYPE;
2751 /* ETH ramrods: SETUP, HALT */
2752 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2753 & SPE_HDR_CONN_TYPE;
2755 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2756 SPE_HDR_FUNCTION_ID);
2758 spe->hdr.type = cpu_to_le16(type);
2760 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2761 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2763 /* stats ramrod has it's own slot on the spq */
2764 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
2765 /* It's ok if the actual decrement is issued towards the memory
2766 * somewhere between the spin_lock and spin_unlock. Thus no
2767 * more explict memory barrier is needed.
2769 atomic_dec(&bp->spq_left);
2771 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2772 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2773 "type(0x%x) left %x\n",
2774 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2775 (u32)(U64_LO(bp->spq_mapping) +
2776 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2777 HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
2779 bnx2x_sp_prod_update(bp);
2780 spin_unlock_bh(&bp->spq_lock);
2784 /* acquire split MCP access lock register */
2785 static int bnx2x_acquire_alr(struct bnx2x *bp)
2791 for (j = 0; j < 1000; j++) {
2793 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2794 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2795 if (val & (1L << 31))
2800 if (!(val & (1L << 31))) {
2801 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2808 /* release split MCP access lock register */
2809 static void bnx2x_release_alr(struct bnx2x *bp)
2811 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
2814 #define BNX2X_DEF_SB_ATT_IDX 0x0001
2815 #define BNX2X_DEF_SB_IDX 0x0002
2817 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2819 struct host_sp_status_block *def_sb = bp->def_status_blk;
2822 barrier(); /* status block is written to by the chip */
2823 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2824 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2825 rc |= BNX2X_DEF_SB_ATT_IDX;
2828 if (bp->def_idx != def_sb->sp_sb.running_index) {
2829 bp->def_idx = def_sb->sp_sb.running_index;
2830 rc |= BNX2X_DEF_SB_IDX;
2833 /* Do not reorder: indecies reading should complete before handling */
2839 * slow path service functions
2842 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2844 int port = BP_PORT(bp);
2845 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2846 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2847 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2848 NIG_REG_MASK_INTERRUPT_PORT0;
2853 if (bp->attn_state & asserted)
2854 BNX2X_ERR("IGU ERROR\n");
2856 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2857 aeu_mask = REG_RD(bp, aeu_addr);
2859 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2860 aeu_mask, asserted);
2861 aeu_mask &= ~(asserted & 0x3ff);
2862 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2864 REG_WR(bp, aeu_addr, aeu_mask);
2865 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2867 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2868 bp->attn_state |= asserted;
2869 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2871 if (asserted & ATTN_HARD_WIRED_MASK) {
2872 if (asserted & ATTN_NIG_FOR_FUNC) {
2874 bnx2x_acquire_phy_lock(bp);
2876 /* save nig interrupt mask */
2877 nig_mask = REG_RD(bp, nig_int_mask_addr);
2878 REG_WR(bp, nig_int_mask_addr, 0);
2880 bnx2x_link_attn(bp);
2882 /* handle unicore attn? */
2884 if (asserted & ATTN_SW_TIMER_4_FUNC)
2885 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2887 if (asserted & GPIO_2_FUNC)
2888 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2890 if (asserted & GPIO_3_FUNC)
2891 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2893 if (asserted & GPIO_4_FUNC)
2894 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2897 if (asserted & ATTN_GENERAL_ATTN_1) {
2898 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2899 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2901 if (asserted & ATTN_GENERAL_ATTN_2) {
2902 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2903 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2905 if (asserted & ATTN_GENERAL_ATTN_3) {
2906 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2907 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2910 if (asserted & ATTN_GENERAL_ATTN_4) {
2911 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2912 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2914 if (asserted & ATTN_GENERAL_ATTN_5) {
2915 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2916 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2918 if (asserted & ATTN_GENERAL_ATTN_6) {
2919 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2920 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2924 } /* if hardwired */
2926 if (bp->common.int_block == INT_BLOCK_HC)
2927 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2928 COMMAND_REG_ATTN_BITS_SET);
2930 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2932 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2933 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2934 REG_WR(bp, reg_addr, asserted);
2936 /* now set back the mask */
2937 if (asserted & ATTN_NIG_FOR_FUNC) {
2938 REG_WR(bp, nig_int_mask_addr, nig_mask);
2939 bnx2x_release_phy_lock(bp);
2943 static inline void bnx2x_fan_failure(struct bnx2x *bp)
2945 int port = BP_PORT(bp);
2947 /* mark the failure */
2950 dev_info.port_hw_config[port].external_phy_config);
2952 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2953 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2954 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
2957 /* log the failure */
2958 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2959 " the driver to shutdown the card to prevent permanent"
2960 " damage. Please contact OEM Support for assistance\n");
2963 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2965 int port = BP_PORT(bp);
2969 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2970 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2972 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2974 val = REG_RD(bp, reg_offset);
2975 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2976 REG_WR(bp, reg_offset, val);
2978 BNX2X_ERR("SPIO5 hw attention\n");
2980 /* Fan failure attention */
2981 bnx2x_hw_reset_phy(&bp->link_params);
2982 bnx2x_fan_failure(bp);
2985 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2986 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2987 bnx2x_acquire_phy_lock(bp);
2988 bnx2x_handle_module_detect_int(&bp->link_params);
2989 bnx2x_release_phy_lock(bp);
2992 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2994 val = REG_RD(bp, reg_offset);
2995 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2996 REG_WR(bp, reg_offset, val);
2998 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2999 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
3004 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3008 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
3010 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3011 BNX2X_ERR("DB hw attention 0x%x\n", val);
3012 /* DORQ discard attention */
3014 BNX2X_ERR("FATAL error from DORQ\n");
3017 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3019 int port = BP_PORT(bp);
3022 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3023 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3025 val = REG_RD(bp, reg_offset);
3026 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3027 REG_WR(bp, reg_offset, val);
3029 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
3030 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
3035 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3039 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3041 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3042 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3043 /* CFC error attention */
3045 BNX2X_ERR("FATAL error from CFC\n");
3048 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3050 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3051 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3052 /* RQ_USDMDP_FIFO_OVERFLOW */
3054 BNX2X_ERR("FATAL error from PXP\n");
3055 if (CHIP_IS_E2(bp)) {
3056 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3057 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3061 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3063 int port = BP_PORT(bp);
3066 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3067 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3069 val = REG_RD(bp, reg_offset);
3070 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3071 REG_WR(bp, reg_offset, val);
3073 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
3074 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
3079 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3083 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3085 if (attn & BNX2X_PMF_LINK_ASSERT) {
3086 int func = BP_FUNC(bp);
3088 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
3089 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3090 func_mf_config[BP_ABS_FUNC(bp)].config);
3092 func_mb[BP_FW_MB_IDX(bp)].drv_status);
3093 if (val & DRV_STATUS_DCC_EVENT_MASK)
3095 (val & DRV_STATUS_DCC_EVENT_MASK));
3097 if (val & DRV_STATUS_SET_MF_BW)
3098 bnx2x_set_mf_bw(bp);
3100 bnx2x__link_status_update(bp);
3101 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
3102 bnx2x_pmf_update(bp);
3105 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3106 bp->dcbx_enabled > 0)
3107 /* start dcbx state machine */
3108 bnx2x_dcbx_set_params(bp,
3109 BNX2X_DCBX_STATE_NEG_RECEIVED);
3110 } else if (attn & BNX2X_MC_ASSERT_BITS) {
3112 BNX2X_ERR("MC assert!\n");
3113 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3115 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3116 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3119 } else if (attn & BNX2X_MCP_ASSERT) {
3121 BNX2X_ERR("MCP assert!\n");
3122 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
3126 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3129 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
3130 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3131 if (attn & BNX2X_GRC_TIMEOUT) {
3132 val = CHIP_IS_E1(bp) ? 0 :
3133 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
3134 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3136 if (attn & BNX2X_GRC_RSV) {
3137 val = CHIP_IS_E1(bp) ? 0 :
3138 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
3139 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3141 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
3145 #define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3146 #define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3147 #define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3148 #define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3149 #define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
3152 * should be run under rtnl lock
3154 static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3156 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3157 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3158 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3164 * should be run under rtnl lock
3166 static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3168 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3170 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3176 * should be run under rtnl lock
3178 bool bnx2x_reset_is_done(struct bnx2x *bp)
3180 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3181 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3182 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3186 * should be run under rtnl lock
3188 inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
3190 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3192 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3194 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3195 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3201 * should be run under rtnl lock
3203 u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
3205 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3207 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3209 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3210 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3218 * should be run under rtnl lock
3220 static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3222 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3225 static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3227 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3228 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3231 static inline void _print_next_block(int idx, const char *blk)
3238 static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3242 for (i = 0; sig; i++) {
3243 cur_bit = ((u32)0x1 << i);
3244 if (sig & cur_bit) {
3246 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3247 _print_next_block(par_num++, "BRB");
3249 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3250 _print_next_block(par_num++, "PARSER");
3252 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3253 _print_next_block(par_num++, "TSDM");
3255 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3256 _print_next_block(par_num++, "SEARCHER");
3258 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3259 _print_next_block(par_num++, "TSEMI");
3271 static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3275 for (i = 0; sig; i++) {
3276 cur_bit = ((u32)0x1 << i);
3277 if (sig & cur_bit) {
3279 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3280 _print_next_block(par_num++, "PBCLIENT");
3282 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3283 _print_next_block(par_num++, "QM");
3285 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3286 _print_next_block(par_num++, "XSDM");
3288 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3289 _print_next_block(par_num++, "XSEMI");
3291 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3292 _print_next_block(par_num++, "DOORBELLQ");
3294 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3295 _print_next_block(par_num++, "VAUX PCI CORE");
3297 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3298 _print_next_block(par_num++, "DEBUG");
3300 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3301 _print_next_block(par_num++, "USDM");
3303 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3304 _print_next_block(par_num++, "USEMI");
3306 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3307 _print_next_block(par_num++, "UPB");
3309 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3310 _print_next_block(par_num++, "CSDM");
3322 static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3326 for (i = 0; sig; i++) {
3327 cur_bit = ((u32)0x1 << i);
3328 if (sig & cur_bit) {
3330 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3331 _print_next_block(par_num++, "CSEMI");
3333 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3334 _print_next_block(par_num++, "PXP");
3336 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3337 _print_next_block(par_num++,
3338 "PXPPCICLOCKCLIENT");
3340 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3341 _print_next_block(par_num++, "CFC");
3343 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3344 _print_next_block(par_num++, "CDU");
3346 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3347 _print_next_block(par_num++, "IGU");
3349 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3350 _print_next_block(par_num++, "MISC");
3362 static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3366 for (i = 0; sig; i++) {
3367 cur_bit = ((u32)0x1 << i);
3368 if (sig & cur_bit) {
3370 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3371 _print_next_block(par_num++, "MCP ROM");
3373 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3374 _print_next_block(par_num++, "MCP UMP RX");
3376 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3377 _print_next_block(par_num++, "MCP UMP TX");
3379 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3380 _print_next_block(par_num++, "MCP SCPAD");
3392 static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3395 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3396 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3398 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3399 "[0]:0x%08x [1]:0x%08x "
3400 "[2]:0x%08x [3]:0x%08x\n",
3401 sig0 & HW_PRTY_ASSERT_SET_0,
3402 sig1 & HW_PRTY_ASSERT_SET_1,
3403 sig2 & HW_PRTY_ASSERT_SET_2,
3404 sig3 & HW_PRTY_ASSERT_SET_3);
3405 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3407 par_num = bnx2x_print_blocks_with_parity0(
3408 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3409 par_num = bnx2x_print_blocks_with_parity1(
3410 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3411 par_num = bnx2x_print_blocks_with_parity2(
3412 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3413 par_num = bnx2x_print_blocks_with_parity3(
3414 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3421 bool bnx2x_chk_parity_attn(struct bnx2x *bp)
3423 struct attn_route attn;
3424 int port = BP_PORT(bp);
3426 attn.sig[0] = REG_RD(bp,
3427 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3429 attn.sig[1] = REG_RD(bp,
3430 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3432 attn.sig[2] = REG_RD(bp,
3433 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3435 attn.sig[3] = REG_RD(bp,
3436 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3439 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3444 static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3447 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3449 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3450 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3451 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3452 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3454 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3455 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3456 "INCORRECT_RCV_BEHAVIOR\n");
3457 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3458 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3459 "WAS_ERROR_ATTN\n");
3460 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3461 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3462 "VF_LENGTH_VIOLATION_ATTN\n");
3464 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3465 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3466 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3468 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3469 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3470 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3471 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3472 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3473 "TCPL_ERROR_ATTN\n");
3474 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "TCPL_IN_TWO_RCBS_ATTN\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "CSSNOOP_FIFO_OVERFLOW\n");
3481 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3482 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3483 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3484 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3485 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3486 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3487 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3488 "_ATC_TCPL_TO_NOT_PEND\n");
3489 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3490 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3491 "ATC_GPA_MULTIPLE_HITS\n");
3492 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3493 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3494 "ATC_RCPL_TO_EMPTY_CNT\n");
3495 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3496 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3497 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3498 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3499 "ATC_IREQ_LESS_THAN_STU\n");
3502 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3503 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3504 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3505 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3506 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3511 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3513 struct attn_route attn, *group_mask;
3514 int port = BP_PORT(bp);
3520 /* need to take HW lock because MCP or other port might also
3521 try to handle this event */
3522 bnx2x_acquire_alr(bp);
3524 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
3525 bp->recovery_state = BNX2X_RECOVERY_INIT;
3526 bnx2x_set_reset_in_progress(bp);
3527 schedule_delayed_work(&bp->reset_task, 0);
3528 /* Disable HW interrupts */
3529 bnx2x_int_disable(bp);
3530 bnx2x_release_alr(bp);
3531 /* In case of parity errors don't handle attentions so that
3532 * other function would "see" parity errors.
3537 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3538 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3539 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3540 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
3543 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3547 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3548 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
3550 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3551 if (deasserted & (1 << index)) {
3552 group_mask = &bp->attn_group[index];
3554 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3557 group_mask->sig[0], group_mask->sig[1],
3558 group_mask->sig[2], group_mask->sig[3],
3559 group_mask->sig[4]);
3561 bnx2x_attn_int_deasserted4(bp,
3562 attn.sig[4] & group_mask->sig[4]);
3563 bnx2x_attn_int_deasserted3(bp,
3564 attn.sig[3] & group_mask->sig[3]);
3565 bnx2x_attn_int_deasserted1(bp,
3566 attn.sig[1] & group_mask->sig[1]);
3567 bnx2x_attn_int_deasserted2(bp,
3568 attn.sig[2] & group_mask->sig[2]);
3569 bnx2x_attn_int_deasserted0(bp,
3570 attn.sig[0] & group_mask->sig[0]);
3574 bnx2x_release_alr(bp);
3576 if (bp->common.int_block == INT_BLOCK_HC)
3577 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3578 COMMAND_REG_ATTN_BITS_CLR);
3580 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
3583 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3584 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3585 REG_WR(bp, reg_addr, val);
3587 if (~bp->attn_state & deasserted)
3588 BNX2X_ERR("IGU ERROR\n");
3590 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3591 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3593 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3594 aeu_mask = REG_RD(bp, reg_addr);
3596 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3597 aeu_mask, deasserted);
3598 aeu_mask |= (deasserted & 0x3ff);
3599 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3601 REG_WR(bp, reg_addr, aeu_mask);
3602 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3604 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3605 bp->attn_state &= ~deasserted;
3606 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3609 static void bnx2x_attn_int(struct bnx2x *bp)
3611 /* read local copy of bits */
3612 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3614 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3616 u32 attn_state = bp->attn_state;
3618 /* look for changed bits */
3619 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3620 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3623 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3624 attn_bits, attn_ack, asserted, deasserted);
3626 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
3627 BNX2X_ERR("BAD attention state\n");
3629 /* handle bits that were raised */
3631 bnx2x_attn_int_asserted(bp, asserted);
3634 bnx2x_attn_int_deasserted(bp, deasserted);
3637 static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3639 /* No memory barriers */
3640 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3641 mmiowb(); /* keep prod updates ordered */
3645 static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3646 union event_ring_elem *elem)
3648 if (!bp->cnic_eth_dev.starting_cid ||
3649 cid < bp->cnic_eth_dev.starting_cid)
3652 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3654 if (unlikely(elem->message.data.cfc_del_event.error)) {
3655 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3657 bnx2x_panic_dump(bp);
3659 bnx2x_cnic_cfc_comp(bp, cid);
3664 static void bnx2x_eq_int(struct bnx2x *bp)
3666 u16 hw_cons, sw_cons, sw_prod;
3667 union event_ring_elem *elem;
3672 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3674 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3675 * when we get the the next-page we nned to adjust so the loop
3676 * condition below will be met. The next element is the size of a
3677 * regular element and hence incrementing by 1
3679 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3682 /* This function may never run in parralel with itself for a
3683 * specific bp, thus there is no need in "paired" read memory
3686 sw_cons = bp->eq_cons;
3687 sw_prod = bp->eq_prod;
3689 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->spq_left %u\n",
3690 hw_cons, sw_cons, atomic_read(&bp->spq_left));
3692 for (; sw_cons != hw_cons;
3693 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3696 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3698 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3699 opcode = elem->message.opcode;
3702 /* handle eq element */
3704 case EVENT_RING_OPCODE_STAT_QUERY:
3705 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3706 /* nothing to do with stats comp */
3709 case EVENT_RING_OPCODE_CFC_DEL:
3710 /* handle according to cid range */
3712 * we may want to verify here that the bp state is
3715 DP(NETIF_MSG_IFDOWN,
3716 "got delete ramrod for MULTI[%d]\n", cid);
3718 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3720 if (cid == BNX2X_FCOE_ETH_CID)
3721 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3724 bnx2x_fp(bp, cid, state) =
3725 BNX2X_FP_STATE_CLOSED;
3729 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3730 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3731 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3733 case EVENT_RING_OPCODE_START_TRAFFIC:
3734 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3735 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3739 switch (opcode | bp->state) {
3740 case (EVENT_RING_OPCODE_FUNCTION_START |
3741 BNX2X_STATE_OPENING_WAIT4_PORT):
3742 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3743 bp->state = BNX2X_STATE_FUNC_STARTED;
3746 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3747 BNX2X_STATE_CLOSING_WAIT4_HALT):
3748 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3749 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3752 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3753 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3754 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3755 bp->set_mac_pending = 0;
3758 case (EVENT_RING_OPCODE_SET_MAC |
3759 BNX2X_STATE_CLOSING_WAIT4_HALT):
3760 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3761 bp->set_mac_pending = 0;
3764 /* unknown event log error and continue */
3765 BNX2X_ERR("Unknown EQ event %d\n",
3766 elem->message.opcode);
3772 smp_mb__before_atomic_inc();
3773 atomic_add(spqe_cnt, &bp->spq_left);
3775 bp->eq_cons = sw_cons;
3776 bp->eq_prod = sw_prod;
3777 /* Make sure that above mem writes were issued towards the memory */
3780 /* update producer */
3781 bnx2x_update_eq_prod(bp, bp->eq_prod);
3784 static void bnx2x_sp_task(struct work_struct *work)
3786 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
3789 /* Return here if interrupt is disabled */
3790 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3791 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
3795 status = bnx2x_update_dsb_idx(bp);
3796 /* if (status == 0) */
3797 /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
3799 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
3802 if (status & BNX2X_DEF_SB_ATT_IDX) {
3804 status &= ~BNX2X_DEF_SB_ATT_IDX;
3807 /* SP events: STAT_QUERY and others */
3808 if (status & BNX2X_DEF_SB_IDX) {
3810 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
3812 if ((!NO_FCOE(bp)) &&
3813 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3814 napi_schedule(&bnx2x_fcoe(bp, napi));
3816 /* Handle EQ completions */
3819 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3820 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3822 status &= ~BNX2X_DEF_SB_IDX;
3825 if (unlikely(status))
3826 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3829 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3830 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
3833 irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
3835 struct net_device *dev = dev_instance;
3836 struct bnx2x *bp = netdev_priv(dev);
3838 /* Return here if interrupt is disabled */
3839 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3840 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
3844 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3845 IGU_INT_DISABLE, 0);
3847 #ifdef BNX2X_STOP_ON_ERROR
3848 if (unlikely(bp->panic))
3854 struct cnic_ops *c_ops;
3857 c_ops = rcu_dereference(bp->cnic_ops);
3859 c_ops->cnic_handler(bp->cnic_data, NULL);
3863 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
3868 /* end of slow path */
3870 static void bnx2x_timer(unsigned long data)
3872 struct bnx2x *bp = (struct bnx2x *) data;
3874 if (!netif_running(bp->dev))
3877 if (atomic_read(&bp->intr_sem) != 0)
3881 struct bnx2x_fastpath *fp = &bp->fp[0];
3885 rc = bnx2x_rx_int(fp, 1000);
3888 if (!BP_NOMCP(bp)) {
3889 int mb_idx = BP_FW_MB_IDX(bp);
3893 ++bp->fw_drv_pulse_wr_seq;
3894 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3895 /* TBD - add SYSTEM_TIME */
3896 drv_pulse = bp->fw_drv_pulse_wr_seq;
3897 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
3899 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
3900 MCP_PULSE_SEQ_MASK);
3901 /* The delta between driver pulse and mcp response
3902 * should be 1 (before mcp response) or 0 (after mcp response)
3904 if ((drv_pulse != mcp_pulse) &&
3905 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3906 /* someone lost a heartbeat... */
3907 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3908 drv_pulse, mcp_pulse);
3912 if (bp->state == BNX2X_STATE_OPEN)
3913 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3916 mod_timer(&bp->timer, jiffies + bp->current_interval);
3919 /* end of Statistics */
3924 * nic init service functions
3927 static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
3930 if (!(len%4) && !(addr%4))
3931 for (i = 0; i < len; i += 4)
3932 REG_WR(bp, addr + i, fill);
3934 for (i = 0; i < len; i++)
3935 REG_WR8(bp, addr + i, fill);
3939 /* helper: writes FP SP data to FW - data_size in dwords */
3940 static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3946 for (index = 0; index < data_size; index++)
3947 REG_WR(bp, BAR_CSTRORM_INTMEM +
3948 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3950 *(sb_data_p + index));
3953 static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3957 struct hc_status_block_data_e2 sb_data_e2;
3958 struct hc_status_block_data_e1x sb_data_e1x;
3960 /* disable the function first */
3961 if (CHIP_IS_E2(bp)) {
3962 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3963 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3964 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3965 sb_data_e2.common.p_func.vf_valid = false;
3966 sb_data_p = (u32 *)&sb_data_e2;
3967 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3969 memset(&sb_data_e1x, 0,
3970 sizeof(struct hc_status_block_data_e1x));
3971 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3972 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3973 sb_data_e1x.common.p_func.vf_valid = false;
3974 sb_data_p = (u32 *)&sb_data_e1x;
3975 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3977 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3979 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3980 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3981 CSTORM_STATUS_BLOCK_SIZE);
3982 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3983 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3984 CSTORM_SYNC_BLOCK_SIZE);
3987 /* helper: writes SP SB data to FW */
3988 static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3989 struct hc_sp_status_block_data *sp_sb_data)
3991 int func = BP_FUNC(bp);
3993 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3994 REG_WR(bp, BAR_CSTRORM_INTMEM +
3995 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3997 *((u32 *)sp_sb_data + i));
4000 static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4002 int func = BP_FUNC(bp);
4003 struct hc_sp_status_block_data sp_sb_data;
4004 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4006 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4007 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4008 sp_sb_data.p_func.vf_valid = false;
4010 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4012 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4013 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4014 CSTORM_SP_STATUS_BLOCK_SIZE);
4015 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4016 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4017 CSTORM_SP_SYNC_BLOCK_SIZE);
4023 void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4024 int igu_sb_id, int igu_seg_id)
4026 hc_sm->igu_sb_id = igu_sb_id;
4027 hc_sm->igu_seg_id = igu_seg_id;
4028 hc_sm->timer_value = 0xFF;
4029 hc_sm->time_to_expire = 0xFFFFFFFF;
4032 static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
4033 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4037 struct hc_status_block_data_e2 sb_data_e2;
4038 struct hc_status_block_data_e1x sb_data_e1x;
4039 struct hc_status_block_sm *hc_sm_p;
4040 struct hc_index_data *hc_index_p;
4044 if (CHIP_INT_MODE_IS_BC(bp))
4045 igu_seg_id = HC_SEG_ACCESS_NORM;
4047 igu_seg_id = IGU_SEG_ACCESS_NORM;
4049 bnx2x_zero_fp_sb(bp, fw_sb_id);
4051 if (CHIP_IS_E2(bp)) {
4052 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4053 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4054 sb_data_e2.common.p_func.vf_id = vfid;
4055 sb_data_e2.common.p_func.vf_valid = vf_valid;
4056 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4057 sb_data_e2.common.same_igu_sb_1b = true;
4058 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4059 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4060 hc_sm_p = sb_data_e2.common.state_machine;
4061 hc_index_p = sb_data_e2.index_data;
4062 sb_data_p = (u32 *)&sb_data_e2;
4063 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4065 memset(&sb_data_e1x, 0,
4066 sizeof(struct hc_status_block_data_e1x));
4067 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4068 sb_data_e1x.common.p_func.vf_id = 0xff;
4069 sb_data_e1x.common.p_func.vf_valid = false;
4070 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4071 sb_data_e1x.common.same_igu_sb_1b = true;
4072 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4073 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4074 hc_sm_p = sb_data_e1x.common.state_machine;
4075 hc_index_p = sb_data_e1x.index_data;
4076 sb_data_p = (u32 *)&sb_data_e1x;
4077 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4080 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4081 igu_sb_id, igu_seg_id);
4082 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4083 igu_sb_id, igu_seg_id);
4085 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4087 /* write indecies to HW */
4088 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4091 static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4092 u8 sb_index, u8 disable, u16 usec)
4094 int port = BP_PORT(bp);
4095 u8 ticks = usec / BNX2X_BTR;
4097 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4099 disable = disable ? 1 : (usec ? 0 : 1);
4100 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4103 static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4104 u16 tx_usec, u16 rx_usec)
4106 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4108 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4112 static void bnx2x_init_def_sb(struct bnx2x *bp)
4114 struct host_sp_status_block *def_sb = bp->def_status_blk;
4115 dma_addr_t mapping = bp->def_status_blk_mapping;
4116 int igu_sp_sb_index;
4118 int port = BP_PORT(bp);
4119 int func = BP_FUNC(bp);
4123 struct hc_sp_status_block_data sp_sb_data;
4124 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4126 if (CHIP_INT_MODE_IS_BC(bp)) {
4127 igu_sp_sb_index = DEF_SB_IGU_ID;
4128 igu_seg_id = HC_SEG_ACCESS_DEF;
4130 igu_sp_sb_index = bp->igu_dsb_id;
4131 igu_seg_id = IGU_SEG_ACCESS_DEF;
4135 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4136 atten_status_block);
4137 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
4141 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4142 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4143 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4145 /* take care of sig[0]..sig[4] */
4146 for (sindex = 0; sindex < 4; sindex++)
4147 bp->attn_group[index].sig[sindex] =
4148 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
4152 * enable5 is separate from the rest of the registers,
4153 * and therefore the address skip is 4
4154 * and not 16 between the different groups
4156 bp->attn_group[index].sig[4] = REG_RD(bp,
4157 reg_offset + 0x10 + 0x4*index);
4159 bp->attn_group[index].sig[4] = 0;
4162 if (bp->common.int_block == INT_BLOCK_HC) {
4163 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4164 HC_REG_ATTN_MSG0_ADDR_L);
4166 REG_WR(bp, reg_offset, U64_LO(section));
4167 REG_WR(bp, reg_offset + 4, U64_HI(section));
4168 } else if (CHIP_IS_E2(bp)) {
4169 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4170 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4173 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4176 bnx2x_zero_sp_sb(bp);
4178 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4179 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4180 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4181 sp_sb_data.igu_seg_id = igu_seg_id;
4182 sp_sb_data.p_func.pf_id = func;
4183 sp_sb_data.p_func.vnic_id = BP_VN(bp);
4184 sp_sb_data.p_func.vf_id = 0xff;
4186 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4188 bp->stats_pending = 0;
4189 bp->set_mac_pending = 0;
4191 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
4194 void bnx2x_update_coalesce(struct bnx2x *bp)
4198 for_each_eth_queue(bp, i)
4199 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4200 bp->rx_ticks, bp->tx_ticks);
4203 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4205 spin_lock_init(&bp->spq_lock);
4206 atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
4208 bp->spq_prod_idx = 0;
4209 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4210 bp->spq_prod_bd = bp->spq;
4211 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4214 static void bnx2x_init_eq_ring(struct bnx2x *bp)
4217 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4218 union event_ring_elem *elem =
4219 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
4221 elem->next_page.addr.hi =
4222 cpu_to_le32(U64_HI(bp->eq_mapping +
4223 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4224 elem->next_page.addr.lo =
4225 cpu_to_le32(U64_LO(bp->eq_mapping +
4226 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
4229 bp->eq_prod = NUM_EQ_DESC;
4230 bp->eq_cons_sb = BNX2X_EQ_INDEX;
4233 static void bnx2x_init_ind_table(struct bnx2x *bp)
4235 int func = BP_FUNC(bp);
4238 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
4242 "Initializing indirection table multi_mode %d\n", bp->multi_mode);
4243 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4244 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4245 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4246 bp->fp->cl_id + (i % (bp->num_queues -
4247 NONE_ETH_CONTEXT_USE)));
4250 void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4252 int mode = bp->rx_mode;
4253 int port = BP_PORT(bp);
4255 u32 def_q_filters = 0;
4257 /* All but management unicast packets should pass to the host as well */
4259 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4260 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4261 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4262 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
4265 case BNX2X_RX_MODE_NONE: /* no Rx */
4266 def_q_filters = BNX2X_ACCEPT_NONE;
4269 cl_id = bnx2x_fcoe(bp, cl_id);
4270 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4275 case BNX2X_RX_MODE_NORMAL:
4276 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4277 BNX2X_ACCEPT_MULTICAST;
4279 cl_id = bnx2x_fcoe(bp, cl_id);
4280 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4281 BNX2X_ACCEPT_MULTICAST);
4285 case BNX2X_RX_MODE_ALLMULTI:
4286 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4287 BNX2X_ACCEPT_ALL_MULTICAST;
4289 cl_id = bnx2x_fcoe(bp, cl_id);
4290 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4291 BNX2X_ACCEPT_MULTICAST);
4295 case BNX2X_RX_MODE_PROMISC:
4296 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4298 cl_id = bnx2x_fcoe(bp, cl_id);
4299 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4300 BNX2X_ACCEPT_MULTICAST);
4302 /* pass management unicast packets as well */
4303 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
4307 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4311 cl_id = BP_L_ID(bp);
4312 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4315 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4316 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
4318 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4319 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
4320 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4321 "unmatched_ucast 0x%x\n", mode,
4322 bp->mac_filters.ucast_drop_all,
4323 bp->mac_filters.mcast_drop_all,
4324 bp->mac_filters.bcast_drop_all,
4325 bp->mac_filters.ucast_accept_all,
4326 bp->mac_filters.mcast_accept_all,
4327 bp->mac_filters.bcast_accept_all,
4328 bp->mac_filters.unmatched_unicast
4331 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
4334 static void bnx2x_init_internal_common(struct bnx2x *bp)
4338 if (!CHIP_IS_E1(bp)) {
4340 /* xstorm needs to know whether to add ovlan to packets or not,
4341 * in switch-independent we'll write 0 to here... */
4342 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4344 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4346 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4348 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4354 * In switch independent mode, the TSTORM needs to accept
4355 * packets that failed classification, since approximate match
4356 * mac addresses aren't written to NIG LLH
4358 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4359 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4361 /* Zero this manually as its initialization is
4362 currently missing in the initTool */
4363 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4364 REG_WR(bp, BAR_USTRORM_INTMEM +
4365 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4366 if (CHIP_IS_E2(bp)) {
4367 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4368 CHIP_INT_MODE_IS_BC(bp) ?
4369 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4373 static void bnx2x_init_internal_port(struct bnx2x *bp)
4376 bnx2x_dcb_init_intmem_pfc(bp);
4379 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4381 switch (load_code) {
4382 case FW_MSG_CODE_DRV_LOAD_COMMON:
4383 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4384 bnx2x_init_internal_common(bp);
4387 case FW_MSG_CODE_DRV_LOAD_PORT:
4388 bnx2x_init_internal_port(bp);
4391 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4392 /* internal memory per function is
4393 initialized inside bnx2x_pf_init */
4397 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4402 static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4404 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4406 fp->state = BNX2X_FP_STATE_CLOSED;
4408 fp->index = fp->cid = fp_idx;
4409 fp->cl_id = BP_L_ID(bp) + fp_idx;
4410 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4411 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4412 /* qZone id equals to FW (per path) client id */
4413 fp->cl_qzone_id = fp->cl_id +
4414 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4415 ETH_MAX_RX_CLIENTS_E1H);
4417 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4418 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4419 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4420 /* Setup SB indicies */
4421 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4422 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4424 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4425 "cl_id %d fw_sb %d igu_sb %d\n",
4426 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4428 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4429 fp->fw_sb_id, fp->igu_sb_id);
4431 bnx2x_update_fpsb_idx(fp);
4434 void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4438 for_each_eth_queue(bp, i)
4439 bnx2x_init_fp_sb(bp, i);
4442 bnx2x_init_fcoe_fp(bp);
4444 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4445 BNX2X_VF_ID_INVALID, false,
4446 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4450 /* ensure status block indices were read */
4453 bnx2x_init_def_sb(bp);
4454 bnx2x_update_dsb_idx(bp);
4455 bnx2x_init_rx_rings(bp);
4456 bnx2x_init_tx_rings(bp);
4457 bnx2x_init_sp_ring(bp);
4458 bnx2x_init_eq_ring(bp);
4459 bnx2x_init_internal(bp, load_code);
4461 bnx2x_init_ind_table(bp);
4462 bnx2x_stats_init(bp);
4464 /* At this point, we are ready for interrupts */
4465 atomic_set(&bp->intr_sem, 0);
4467 /* flush all before enabling interrupts */
4471 bnx2x_int_enable(bp);
4473 /* Check for SPIO5 */
4474 bnx2x_attn_int_deasserted0(bp,
4475 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4476 AEU_INPUTS_ATTN_BITS_SPIO5);
4479 /* end of nic init */
4482 * gzip service functions
4485 static int bnx2x_gunzip_init(struct bnx2x *bp)
4487 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4488 &bp->gunzip_mapping, GFP_KERNEL);
4489 if (bp->gunzip_buf == NULL)
4492 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4493 if (bp->strm == NULL)
4496 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4498 if (bp->strm->workspace == NULL)
4508 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4509 bp->gunzip_mapping);
4510 bp->gunzip_buf = NULL;
4513 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4514 " un-compression\n");
4518 static void bnx2x_gunzip_end(struct bnx2x *bp)
4520 kfree(bp->strm->workspace);
4524 if (bp->gunzip_buf) {
4525 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4526 bp->gunzip_mapping);
4527 bp->gunzip_buf = NULL;
4531 static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
4535 /* check gzip header */
4536 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4537 BNX2X_ERR("Bad gzip header\n");
4545 if (zbuf[3] & FNAME)
4546 while ((zbuf[n++] != 0) && (n < len));
4548 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
4549 bp->strm->avail_in = len - n;
4550 bp->strm->next_out = bp->gunzip_buf;
4551 bp->strm->avail_out = FW_BUF_SIZE;
4553 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4557 rc = zlib_inflate(bp->strm, Z_FINISH);
4558 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4559 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4562 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4563 if (bp->gunzip_outlen & 0x3)
4564 netdev_err(bp->dev, "Firmware decompression error:"
4565 " gunzip_outlen (%d) not aligned\n",
4567 bp->gunzip_outlen >>= 2;
4569 zlib_inflateEnd(bp->strm);
4571 if (rc == Z_STREAM_END)
4577 /* nic load/unload */
4580 * General service functions
4583 /* send a NIG loopback debug packet */
4584 static void bnx2x_lb_pckt(struct bnx2x *bp)
4588 /* Ethernet source and destination addresses */
4589 wb_write[0] = 0x55555555;
4590 wb_write[1] = 0x55555555;
4591 wb_write[2] = 0x20; /* SOP */
4592 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4594 /* NON-IP protocol */
4595 wb_write[0] = 0x09000000;
4596 wb_write[1] = 0x55555555;
4597 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
4598 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4601 /* some of the internal memories
4602 * are not directly readable from the driver
4603 * to test them we send debug packets
4605 static int bnx2x_int_mem_test(struct bnx2x *bp)
4611 if (CHIP_REV_IS_FPGA(bp))
4613 else if (CHIP_REV_IS_EMUL(bp))
4618 /* Disable inputs of parser neighbor blocks */
4619 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4620 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4621 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4622 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4624 /* Write 0 to parser credits for CFC search request */
4625 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4627 /* send Ethernet packet */
4630 /* TODO do i reset NIG statistic? */
4631 /* Wait until NIG register shows 1 packet of size 0x10 */
4632 count = 1000 * factor;
4635 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4636 val = *bnx2x_sp(bp, wb_data[0]);
4644 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4648 /* Wait until PRS register shows 1 packet */
4649 count = 1000 * factor;
4651 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4659 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4663 /* Reset and init BRB, PRS */
4664 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4666 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4668 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4669 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4671 DP(NETIF_MSG_HW, "part2\n");
4673 /* Disable inputs of parser neighbor blocks */
4674 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4675 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4676 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4677 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4679 /* Write 0 to parser credits for CFC search request */
4680 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4682 /* send 10 Ethernet packets */
4683 for (i = 0; i < 10; i++)
4686 /* Wait until NIG register shows 10 + 1
4687 packets of size 11*0x10 = 0xb0 */
4688 count = 1000 * factor;
4691 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4692 val = *bnx2x_sp(bp, wb_data[0]);
4700 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4704 /* Wait until PRS register shows 2 packets */
4705 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4707 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4709 /* Write 1 to parser credits for CFC search request */
4710 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4712 /* Wait until PRS register shows 3 packets */
4713 msleep(10 * factor);
4714 /* Wait until NIG register shows 1 packet of size 0x10 */
4715 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4717 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4719 /* clear NIG EOP FIFO */
4720 for (i = 0; i < 11; i++)
4721 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4722 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4724 BNX2X_ERR("clear of NIG failed\n");
4728 /* Reset and init BRB, PRS, NIG */
4729 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4731 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4733 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4734 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4737 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4740 /* Enable inputs of parser neighbor blocks */
4741 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4742 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4743 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
4744 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
4746 DP(NETIF_MSG_HW, "done\n");
4751 static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
4753 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
4755 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4757 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
4758 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4759 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
4761 * mask read length error interrupts in brb for parser
4762 * (parsing unit and 'checksum and crc' unit)
4763 * these errors are legal (PU reads fixed length and CAC can cause
4764 * read length error on truncated packets)
4766 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
4767 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4768 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4769 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4770 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4771 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
4772 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4773 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
4774 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4775 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4776 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
4777 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4778 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
4779 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4780 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4781 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4782 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
4783 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4784 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
4786 if (CHIP_REV_IS_FPGA(bp))
4787 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
4788 else if (CHIP_IS_E2(bp))
4789 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4790 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4791 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4792 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4793 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4794 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
4796 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
4797 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4798 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4799 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
4800 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4801 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
4802 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4803 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4804 /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4805 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
4808 static void bnx2x_reset_common(struct bnx2x *bp)
4811 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4813 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4816 static void bnx2x_init_pxp(struct bnx2x *bp)
4819 int r_order, w_order;
4821 pci_read_config_word(bp->pdev,
4822 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4823 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4824 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4826 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4828 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4832 bnx2x_init_pxp_arb(bp, r_order, w_order);
4835 static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4845 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4846 SHARED_HW_CFG_FAN_FAILURE_MASK;
4848 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4852 * The fan failure mechanism is usually related to the PHY type since
4853 * the power consumption of the board is affected by the PHY. Currently,
4854 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4856 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4857 for (port = PORT_0; port < PORT_MAX; port++) {
4859 bnx2x_fan_failure_det_req(
4861 bp->common.shmem_base,
4862 bp->common.shmem2_base,
4866 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4868 if (is_required == 0)
4871 /* Fan failure is indicated by SPIO 5 */
4872 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4873 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4875 /* set to active low mode */
4876 val = REG_RD(bp, MISC_REG_SPIO_INT);
4877 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
4878 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
4879 REG_WR(bp, MISC_REG_SPIO_INT, val);
4881 /* enable interrupt to signal the IGU */
4882 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4883 val |= (1 << MISC_REGISTERS_SPIO_5);
4884 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4887 static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4893 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4896 switch (BP_ABS_FUNC(bp)) {
4898 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4901 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4904 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4907 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4910 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4913 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4916 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4919 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4925 REG_WR(bp, offset, pretend_func_num);
4927 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4930 static void bnx2x_pf_disable(struct bnx2x *bp)
4932 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4933 val &= ~IGU_PF_CONF_FUNC_EN;
4935 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4936 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4937 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4940 static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
4944 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
4946 bnx2x_reset_common(bp);
4947 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4948 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4950 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
4951 if (!CHIP_IS_E1(bp))
4952 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
4954 if (CHIP_IS_E2(bp)) {
4958 * 4-port mode or 2-port mode we need to turn of master-enable
4959 * for everyone, after that, turn it back on for self.
4960 * so, we disregard multi-function or not, and always disable
4961 * for all functions on the given path, this means 0,2,4,6 for
4962 * path 0 and 1,3,5,7 for path 1
4964 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4965 if (fid == BP_ABS_FUNC(bp)) {
4967 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4972 bnx2x_pretend_func(bp, fid);
4973 /* clear pf enable */
4974 bnx2x_pf_disable(bp);
4975 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4979 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
4980 if (CHIP_IS_E1(bp)) {
4981 /* enable HW interrupt from PXP on USDM overflow
4982 bit 16 on INT_MASK_0 */
4983 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
4986 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
4990 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4991 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4992 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4993 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
4994 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
4995 /* make sure this value is 0 */
4996 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
4998 /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
4999 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5000 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5001 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5002 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5005 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5007 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5008 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5010 /* let the HW do it's magic ... */
5012 /* finish PXP init */
5013 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5015 BNX2X_ERR("PXP2 CFG failed\n");
5018 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5020 BNX2X_ERR("PXP2 RD_INIT failed\n");
5024 /* Timers bug workaround E2 only. We need to set the entire ILT to
5025 * have entries with value "0" and valid bit on.
5026 * This needs to be done by the first PF that is loaded in a path
5027 * (i.e. common phase)
5029 if (CHIP_IS_E2(bp)) {
5030 struct ilt_client_info ilt_cli;
5031 struct bnx2x_ilt ilt;
5032 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5033 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5035 /* initialize dummy TM client */
5037 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5038 ilt_cli.client_num = ILT_CLIENT_TM;
5040 /* Step 1: set zeroes to all ilt page entries with valid bit on
5041 * Step 2: set the timers first/last ilt entry to point
5042 * to the entire range to prevent ILT range error for 3rd/4th
5043 * vnic (this code assumes existance of the vnic)
5045 * both steps performed by call to bnx2x_ilt_client_init_op()
5046 * with dummy TM client
5048 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5049 * and his brother are split registers
5051 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5052 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5053 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5055 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5056 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5057 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5061 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5062 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5064 if (CHIP_IS_E2(bp)) {
5065 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5066 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5067 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5069 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5071 /* let the HW do it's magic ... */
5074 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5075 } while (factor-- && (val != 1));
5078 BNX2X_ERR("ATC_INIT failed\n");
5083 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
5085 /* clean the DMAE memory */
5087 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5089 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5090 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5091 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5092 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
5094 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5095 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5096 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5097 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5099 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5101 if (CHIP_MODE_IS_4_PORT(bp))
5102 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
5104 /* QM queues pointers table */
5105 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
5107 /* soft reset pulse */
5108 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5109 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5112 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
5115 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5116 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5118 if (!CHIP_REV_IS_SLOW(bp)) {
5119 /* enable hw interrupt from doorbell Q */
5120 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5123 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
5124 if (CHIP_MODE_IS_4_PORT(bp)) {
5125 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5126 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5129 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5130 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5133 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5135 if (!CHIP_IS_E1(bp))
5136 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
5138 if (CHIP_IS_E2(bp)) {
5139 /* Bit-map indicating which L2 hdrs may appear after the
5140 basic Ethernet header */
5141 int has_ovlan = IS_MF_SD(bp);
5142 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5143 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5146 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5147 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5148 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5149 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
5151 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5152 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5153 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5154 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5156 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5157 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5158 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5159 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
5161 if (CHIP_MODE_IS_4_PORT(bp))
5162 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5165 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5167 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5170 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5171 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5172 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
5174 if (CHIP_IS_E2(bp)) {
5175 int has_ovlan = IS_MF_SD(bp);
5176 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5177 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5180 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5181 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5182 REG_WR(bp, i, random32());
5184 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5186 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5187 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5188 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5189 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5190 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5191 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5192 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5193 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5194 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5195 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5197 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5199 if (sizeof(union cdu_context) != 1024)
5200 /* we currently assume that a context is 1024 bytes */
5201 dev_alert(&bp->pdev->dev, "please adjust the size "
5202 "of cdu_context(%ld)\n",
5203 (long)sizeof(union cdu_context));
5205 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5206 val = (4 << 24) + (0 << 12) + 1024;
5207 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5209 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5210 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5211 /* enable context validation interrupt from CFC */
5212 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5214 /* set the thresholds to prevent CFC/CDU race */
5215 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
5217 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
5219 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5220 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5222 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5223 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
5225 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5226 /* Reset PCIE errors for debug */
5227 REG_WR(bp, 0x2814, 0xffffffff);
5228 REG_WR(bp, 0x3820, 0xffffffff);
5230 if (CHIP_IS_E2(bp)) {
5231 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5232 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5233 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5234 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5235 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5236 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5237 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5238 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5239 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5240 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5241 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5244 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
5245 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
5246 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
5247 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
5249 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
5250 if (!CHIP_IS_E1(bp)) {
5251 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
5252 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
5254 if (CHIP_IS_E2(bp)) {
5255 /* Bit-map indicating which L2 hdrs may appear after the
5256 basic Ethernet header */
5257 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
5260 if (CHIP_REV_IS_SLOW(bp))
5263 /* finish CFC init */
5264 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5266 BNX2X_ERR("CFC LL_INIT failed\n");
5269 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5271 BNX2X_ERR("CFC AC_INIT failed\n");
5274 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5276 BNX2X_ERR("CFC CAM_INIT failed\n");
5279 REG_WR(bp, CFC_REG_DEBUG0, 0);
5281 if (CHIP_IS_E1(bp)) {
5282 /* read NIG statistic
5283 to see if this is our first up since powerup */
5284 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5285 val = *bnx2x_sp(bp, wb_data[0]);
5287 /* do internal memory self test */
5288 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5289 BNX2X_ERR("internal mem self test failed\n");
5294 bnx2x_setup_fan_failure_detection(bp);
5296 /* clear PXP2 attentions */
5297 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5299 bnx2x_enable_blocks_attention(bp);
5300 if (CHIP_PARITY_ENABLED(bp))
5301 bnx2x_enable_blocks_parity(bp);
5303 if (!BP_NOMCP(bp)) {
5304 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5305 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5307 u32 shmem_base[2], shmem2_base[2];
5308 shmem_base[0] = bp->common.shmem_base;
5309 shmem2_base[0] = bp->common.shmem2_base;
5310 if (CHIP_IS_E2(bp)) {
5312 SHMEM2_RD(bp, other_shmem_base_addr);
5314 SHMEM2_RD(bp, other_shmem2_base_addr);
5316 bnx2x_acquire_phy_lock(bp);
5317 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5318 bp->common.chip_id);
5319 bnx2x_release_phy_lock(bp);
5322 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5327 static int bnx2x_init_hw_port(struct bnx2x *bp)
5329 int port = BP_PORT(bp);
5330 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5334 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
5336 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5338 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
5339 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
5341 /* Timers bug workaround: disables the pf_master bit in pglue at
5342 * common phase, we need to enable it here before any dmae access are
5343 * attempted. Therefore we manually added the enable-master to the
5344 * port phase (it also happens in the function phase)
5347 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5349 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5350 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5351 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5352 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
5354 /* QM cid (connection) count */
5355 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
5358 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5359 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5360 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
5363 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5365 if (CHIP_MODE_IS_4_PORT(bp))
5366 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
5368 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5369 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5370 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5371 /* no pause for emulation and FPGA */
5376 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5377 else if (bp->dev->mtu > 4096) {
5378 if (bp->flags & ONE_PORT_FLAG)
5382 /* (24*1024 + val*4)/256 */
5383 low = 96 + (val/64) +
5384 ((val % 64) ? 1 : 0);
5387 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5388 high = low + 56; /* 14*1024/256 */
5390 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5391 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5394 if (CHIP_MODE_IS_4_PORT(bp)) {
5395 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5396 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5397 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5398 BRB1_REG_MAC_GUARANTIED_0), 40);
5401 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
5403 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
5404 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
5405 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
5406 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
5408 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5409 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5410 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5411 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
5412 if (CHIP_MODE_IS_4_PORT(bp))
5413 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
5415 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
5416 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5418 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
5420 if (!CHIP_IS_E2(bp)) {
5421 /* configure PBF to work without PAUSE mtu 9000 */
5422 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5424 /* update threshold */
5425 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5426 /* update init credit */
5427 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5430 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5432 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5436 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
5438 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
5439 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5441 if (CHIP_IS_E1(bp)) {
5442 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5443 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5445 bnx2x_init_block(bp, HC_BLOCK, init_stage);
5447 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5449 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5450 /* init aeu_mask_attn_func_0/1:
5451 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5452 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5453 * bits 4-7 are used for "per vn group attention" */
5454 val = IS_MF(bp) ? 0xF7 : 0x7;
5455 /* Enable DCBX attention for all but E1 */
5456 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5457 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
5459 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
5460 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
5461 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
5462 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
5463 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
5465 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5467 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5469 if (!CHIP_IS_E1(bp)) {
5470 /* 0x2 disable mf_ov, 0x1 enable */
5471 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5472 (IS_MF_SD(bp) ? 0x1 : 0x2));
5474 if (CHIP_IS_E2(bp)) {
5476 switch (bp->mf_mode) {
5477 case MULTI_FUNCTION_SD:
5480 case MULTI_FUNCTION_SI:
5485 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5486 NIG_REG_LLH0_CLS_TYPE), val);
5489 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5490 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5491 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5495 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
5496 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5497 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
5498 bp->common.shmem2_base, port)) {
5499 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5500 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5501 val = REG_RD(bp, reg_addr);
5502 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5503 REG_WR(bp, reg_addr, val);
5505 bnx2x__link_reset(bp);
5510 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5515 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5517 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5519 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5522 static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5524 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5527 static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5529 u32 i, base = FUNC_ILT_BASE(func);
5530 for (i = base; i < base + ILT_PER_FUNC; i++)
5531 bnx2x_ilt_wr(bp, i, 0);
5534 static int bnx2x_init_hw_func(struct bnx2x *bp)
5536 int port = BP_PORT(bp);
5537 int func = BP_FUNC(bp);
5538 struct bnx2x_ilt *ilt = BP_ILT(bp);
5541 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5542 int i, main_mem_width;
5544 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
5546 /* set MSI reconfigure capability */
5547 if (bp->common.int_block == INT_BLOCK_HC) {
5548 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5549 val = REG_RD(bp, addr);
5550 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5551 REG_WR(bp, addr, val);
5555 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5557 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5558 ilt->lines[cdu_ilt_start + i].page =
5559 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5560 ilt->lines[cdu_ilt_start + i].page_mapping =
5561 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5562 /* cdu ilt pages are allocated manually so there's no need to
5565 bnx2x_ilt_init_op(bp, INITOP_SET);
5568 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5570 /* T1 hash bits value determines the T1 number of entries */
5571 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
5576 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5577 #endif /* BCM_CNIC */
5579 if (CHIP_IS_E2(bp)) {
5580 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5582 /* Turn on a single ISR mode in IGU if driver is going to use
5585 if (!(bp->flags & USING_MSIX_FLAG))
5586 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5588 * Timers workaround bug: function init part.
5589 * Need to wait 20msec after initializing ILT,
5590 * needed to make sure there are no requests in
5591 * one of the PXP internal queues with "old" ILT addresses
5595 * Master enable - Due to WB DMAE writes performed before this
5596 * register is re-initialized as part of the regular function
5599 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5600 /* Enable the function in IGU */
5601 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5606 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5609 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5611 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5612 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5613 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5614 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5615 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5616 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5617 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5618 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5619 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5621 if (CHIP_IS_E2(bp)) {
5622 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5624 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5628 if (CHIP_MODE_IS_4_PORT(bp))
5629 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5632 REG_WR(bp, QM_REG_PF_EN, 1);
5634 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
5636 if (CHIP_MODE_IS_4_PORT(bp))
5637 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5639 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5640 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5641 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5642 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5643 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5644 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5645 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5646 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5647 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5648 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5649 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
5651 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5653 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5655 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5658 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5661 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5662 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5665 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5667 /* HC init per function */
5668 if (bp->common.int_block == INT_BLOCK_HC) {
5669 if (CHIP_IS_E1H(bp)) {
5670 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5672 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5673 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5675 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5678 int num_segs, sb_idx, prod_offset;
5680 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5682 if (CHIP_IS_E2(bp)) {
5683 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5684 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5687 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5689 if (CHIP_IS_E2(bp)) {
5693 * E2 mode: address 0-135 match to the mapping memory;
5694 * 136 - PF0 default prod; 137 - PF1 default prod;
5695 * 138 - PF2 default prod; 139 - PF3 default prod;
5696 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5697 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5700 * E1.5 mode - In backward compatible mode;
5701 * for non default SB; each even line in the memory
5702 * holds the U producer and each odd line hold
5703 * the C producer. The first 128 producers are for
5704 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5705 * producers are for the DSB for each PF.
5706 * Each PF has five segments: (the order inside each
5707 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5708 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5709 * 144-147 attn prods;
5711 /* non-default-status-blocks */
5712 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5713 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5714 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5715 prod_offset = (bp->igu_base_sb + sb_idx) *
5718 for (i = 0; i < num_segs; i++) {
5719 addr = IGU_REG_PROD_CONS_MEMORY +
5720 (prod_offset + i) * 4;
5721 REG_WR(bp, addr, 0);
5723 /* send consumer update with value 0 */
5724 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5725 USTORM_ID, 0, IGU_INT_NOP, 1);
5726 bnx2x_igu_clear_sb(bp,
5727 bp->igu_base_sb + sb_idx);
5730 /* default-status-blocks */
5731 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5732 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5734 if (CHIP_MODE_IS_4_PORT(bp))
5735 dsb_idx = BP_FUNC(bp);
5737 dsb_idx = BP_E1HVN(bp);
5739 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5740 IGU_BC_BASE_DSB_PROD + dsb_idx :
5741 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5743 for (i = 0; i < (num_segs * E1HVN_MAX);
5745 addr = IGU_REG_PROD_CONS_MEMORY +
5746 (prod_offset + i)*4;
5747 REG_WR(bp, addr, 0);
5749 /* send consumer update with 0 */
5750 if (CHIP_INT_MODE_IS_BC(bp)) {
5751 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5752 USTORM_ID, 0, IGU_INT_NOP, 1);
5753 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5754 CSTORM_ID, 0, IGU_INT_NOP, 1);
5755 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5756 XSTORM_ID, 0, IGU_INT_NOP, 1);
5757 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5758 TSTORM_ID, 0, IGU_INT_NOP, 1);
5759 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5760 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5762 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5763 USTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5765 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5767 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5769 /* !!! these should become driver const once
5770 rf-tool supports split-68 const */
5771 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5772 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5773 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5774 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5775 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5776 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5780 /* Reset PCIE errors for debug */
5781 REG_WR(bp, 0x2114, 0xffffffff);
5782 REG_WR(bp, 0x2120, 0xffffffff);
5784 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5785 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5786 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5787 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5788 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5789 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5791 if (CHIP_IS_E1x(bp)) {
5792 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5793 main_mem_base = HC_REG_MAIN_MEMORY +
5794 BP_PORT(bp) * (main_mem_size * 4);
5795 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5798 val = REG_RD(bp, main_mem_prty_clr);
5800 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5802 "function init (0x%x)!\n", val);
5804 /* Clear "false" parity errors in MSI-X table */
5805 for (i = main_mem_base;
5806 i < main_mem_base + main_mem_size * 4;
5807 i += main_mem_width) {
5808 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5809 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5810 i, main_mem_width / 4);
5812 /* Clear HC parity attention */
5813 REG_RD(bp, main_mem_prty_clr);
5816 bnx2x_phy_probe(&bp->link_params);
5821 int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5825 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5826 BP_ABS_FUNC(bp), load_code);
5829 mutex_init(&bp->dmae_mutex);
5830 rc = bnx2x_gunzip_init(bp);
5834 switch (load_code) {
5835 case FW_MSG_CODE_DRV_LOAD_COMMON:
5836 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5837 rc = bnx2x_init_hw_common(bp, load_code);
5842 case FW_MSG_CODE_DRV_LOAD_PORT:
5843 rc = bnx2x_init_hw_port(bp);
5848 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5849 rc = bnx2x_init_hw_func(bp);
5855 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5859 if (!BP_NOMCP(bp)) {
5860 int mb_idx = BP_FW_MB_IDX(bp);
5862 bp->fw_drv_pulse_wr_seq =
5863 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
5864 DRV_PULSE_SEQ_MASK);
5865 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5869 bnx2x_gunzip_end(bp);
5874 void bnx2x_free_mem(struct bnx2x *bp)
5877 #define BNX2X_PCI_FREE(x, y, size) \
5880 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
5886 #define BNX2X_FREE(x) \
5898 for_each_queue(bp, i) {
5900 /* FCoE client uses default status block */
5901 if (IS_FCOE_IDX(i)) {
5902 union host_hc_status_block *sb =
5903 &bnx2x_fp(bp, i, status_blk);
5904 memset(sb, 0, sizeof(union host_hc_status_block));
5905 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5910 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5911 bnx2x_fp(bp, i, status_blk_mapping),
5912 sizeof(struct host_hc_status_block_e2));
5914 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5915 bnx2x_fp(bp, i, status_blk_mapping),
5916 sizeof(struct host_hc_status_block_e1x));
5922 for_each_rx_queue(bp, i) {
5924 /* fastpath rx rings: rx_buf rx_desc rx_comp */
5925 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5926 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5927 bnx2x_fp(bp, i, rx_desc_mapping),
5928 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5930 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5931 bnx2x_fp(bp, i, rx_comp_mapping),
5932 sizeof(struct eth_fast_path_rx_cqe) *
5936 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5937 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5938 bnx2x_fp(bp, i, rx_sge_mapping),
5939 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5942 for_each_tx_queue(bp, i) {
5944 /* fastpath tx rings: tx_buf tx_desc */
5945 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5946 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5947 bnx2x_fp(bp, i, tx_desc_mapping),
5948 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
5950 /* end of fastpath */
5952 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5953 sizeof(struct host_sp_status_block));
5955 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5956 sizeof(struct bnx2x_slowpath));
5958 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5961 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5963 BNX2X_FREE(bp->ilt->lines);
5967 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5968 sizeof(struct host_hc_status_block_e2));
5970 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5971 sizeof(struct host_hc_status_block_e1x));
5973 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
5976 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5978 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5979 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5981 #undef BNX2X_PCI_FREE
5985 static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
5987 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
5988 if (CHIP_IS_E2(bp)) {
5989 bnx2x_fp(bp, index, sb_index_values) =
5990 (__le16 *)status_blk.e2_sb->sb.index_values;
5991 bnx2x_fp(bp, index, sb_running_index) =
5992 (__le16 *)status_blk.e2_sb->sb.running_index;
5994 bnx2x_fp(bp, index, sb_index_values) =
5995 (__le16 *)status_blk.e1x_sb->sb.index_values;
5996 bnx2x_fp(bp, index, sb_running_index) =
5997 (__le16 *)status_blk.e1x_sb->sb.running_index;
6001 int bnx2x_alloc_mem(struct bnx2x *bp)
6003 #define BNX2X_PCI_ALLOC(x, y, size) \
6005 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
6007 goto alloc_mem_err; \
6008 memset(x, 0, size); \
6011 #define BNX2X_ALLOC(x, size) \
6013 x = kzalloc(size, GFP_KERNEL); \
6015 goto alloc_mem_err; \
6022 for_each_queue(bp, i) {
6023 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
6024 bnx2x_fp(bp, i, bp) = bp;
6027 if (!IS_FCOE_IDX(i)) {
6030 BNX2X_PCI_ALLOC(sb->e2_sb,
6031 &bnx2x_fp(bp, i, status_blk_mapping),
6032 sizeof(struct host_hc_status_block_e2));
6034 BNX2X_PCI_ALLOC(sb->e1x_sb,
6035 &bnx2x_fp(bp, i, status_blk_mapping),
6036 sizeof(struct host_hc_status_block_e1x));
6040 set_sb_shortcuts(bp, i);
6043 for_each_queue(bp, i) {
6045 /* fastpath rx rings: rx_buf rx_desc rx_comp */
6046 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6047 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6048 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6049 &bnx2x_fp(bp, i, rx_desc_mapping),
6050 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6052 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6053 &bnx2x_fp(bp, i, rx_comp_mapping),
6054 sizeof(struct eth_fast_path_rx_cqe) *
6058 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6059 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6060 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6061 &bnx2x_fp(bp, i, rx_sge_mapping),
6062 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
6065 for_each_queue(bp, i) {
6067 /* fastpath tx rings: tx_buf tx_desc */
6068 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6069 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6070 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6071 &bnx2x_fp(bp, i, tx_desc_mapping),
6072 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
6074 /* end of fastpath */
6078 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6079 sizeof(struct host_hc_status_block_e2));
6081 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6082 sizeof(struct host_hc_status_block_e1x));
6084 /* allocate searcher T2 table */
6085 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6089 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
6090 sizeof(struct host_sp_status_block));
6092 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6093 sizeof(struct bnx2x_slowpath));
6095 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
6097 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6100 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
6102 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6105 /* Slow path ring */
6106 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6109 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6110 BCM_PAGE_SIZE * NUM_EQ_PAGES);
6117 #undef BNX2X_PCI_ALLOC
6122 * Init service functions
6124 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6125 int *state_p, int flags);
6127 int bnx2x_func_start(struct bnx2x *bp)
6129 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
6131 /* Wait for completion */
6132 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6133 WAIT_RAMROD_COMMON);
6136 static int bnx2x_func_stop(struct bnx2x *bp)
6138 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
6140 /* Wait for completion */
6141 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6142 0, &(bp->state), WAIT_RAMROD_COMMON);
6146 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
6148 * @param bp driver descriptor
6149 * @param set set or clear an entry (1 or 0)
6150 * @param mac pointer to a buffer containing a MAC
6151 * @param cl_bit_vec bit vector of clients to register a MAC for
6152 * @param cam_offset offset in a CAM to use
6153 * @param is_bcast is the set MAC a broadcast address (for E1 only)
6155 static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
6156 u32 cl_bit_vec, u8 cam_offset,
6159 struct mac_configuration_cmd *config =
6160 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6161 int ramrod_flags = WAIT_RAMROD_COMMON;
6163 bp->set_mac_pending = 1;
6166 config->hdr.length = 1;
6167 config->hdr.offset = cam_offset;
6168 config->hdr.client_id = 0xff;
6169 config->hdr.reserved1 = 0;
6172 config->config_table[0].msb_mac_addr =
6173 swab16(*(u16 *)&mac[0]);
6174 config->config_table[0].middle_mac_addr =
6175 swab16(*(u16 *)&mac[2]);
6176 config->config_table[0].lsb_mac_addr =
6177 swab16(*(u16 *)&mac[4]);
6178 config->config_table[0].clients_bit_vector =
6179 cpu_to_le32(cl_bit_vec);
6180 config->config_table[0].vlan_id = 0;
6181 config->config_table[0].pf_id = BP_FUNC(bp);
6183 SET_FLAG(config->config_table[0].flags,
6184 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6185 T_ETH_MAC_COMMAND_SET);
6187 SET_FLAG(config->config_table[0].flags,
6188 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6189 T_ETH_MAC_COMMAND_INVALIDATE);
6192 SET_FLAG(config->config_table[0].flags,
6193 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6195 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
6196 (set ? "setting" : "clearing"),
6197 config->config_table[0].msb_mac_addr,
6198 config->config_table[0].middle_mac_addr,
6199 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6201 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6202 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6203 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6205 /* Wait for a completion */
6206 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
6209 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6210 int *state_p, int flags)
6212 /* can take a while if any port is running */
6214 u8 poll = flags & WAIT_RAMROD_POLL;
6215 u8 common = flags & WAIT_RAMROD_COMMON;
6217 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6218 poll ? "polling" : "waiting", state, idx);
6226 bnx2x_rx_int(bp->fp, 10);
6227 /* if index is different from 0
6228 * the reply for some commands will
6229 * be on the non default queue
6232 bnx2x_rx_int(&bp->fp[idx], 10);
6236 mb(); /* state is changed by bnx2x_sp_event() */
6237 if (*state_p == state) {
6238 #ifdef BNX2X_STOP_ON_ERROR
6239 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6251 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6252 poll ? "polling" : "waiting", state, idx);
6253 #ifdef BNX2X_STOP_ON_ERROR
6260 static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6262 if (CHIP_IS_E1H(bp))
6263 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6264 else if (CHIP_MODE_IS_4_PORT(bp))
6265 return BP_FUNC(bp) * 32 + rel_offset;
6267 return BP_VN(bp) * 32 + rel_offset;
6271 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6272 * relevant. In addition, current implementation is tuned for a
6275 * When multiple unicast ETH MACs PF configuration in switch
6276 * independent mode is required (NetQ, multiple netdev MACs,
6277 * etc.), consider better utilisation of 16 per function MAC
6278 * entries in the LLH memory.
6281 LLH_CAM_ISCSI_ETH_LINE = 0,
6283 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6286 static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6288 unsigned char *dev_addr,
6292 u32 mem_offset, ena_offset, mem_index;
6295 * 0..7 - goes to MEM
6296 * 8..15 - goes to MEM2
6299 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6302 /* calculate memory start offset according to the mapping
6303 * and index in the memory */
6304 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6305 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6306 NIG_REG_LLH0_FUNC_MEM;
6307 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6308 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6311 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6312 NIG_REG_P0_LLH_FUNC_MEM2;
6313 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6314 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6315 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6319 /* LLH_FUNC_MEM is a u64 WB register */
6320 mem_offset += 8*mem_index;
6322 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6323 (dev_addr[4] << 8) | dev_addr[5]);
6324 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6326 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6329 /* enable/disable the entry */
6330 REG_WR(bp, ena_offset + 4*mem_index, set);
6334 void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
6336 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6337 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6339 /* networking MAC */
6340 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6341 (1 << bp->fp->cl_id), cam_offset , 0);
6343 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6345 if (CHIP_IS_E1(bp)) {
6347 static const u8 bcast[ETH_ALEN] = {
6348 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6350 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6353 static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
6356 struct net_device *dev = bp->dev;
6357 struct netdev_hw_addr *ha;
6358 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6359 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6361 netdev_for_each_mc_addr(ha, dev) {
6363 config_cmd->config_table[i].msb_mac_addr =
6364 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6365 config_cmd->config_table[i].middle_mac_addr =
6366 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6367 config_cmd->config_table[i].lsb_mac_addr =
6368 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6370 config_cmd->config_table[i].vlan_id = 0;
6371 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6372 config_cmd->config_table[i].clients_bit_vector =
6373 cpu_to_le32(1 << BP_L_ID(bp));
6375 SET_FLAG(config_cmd->config_table[i].flags,
6376 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6377 T_ETH_MAC_COMMAND_SET);
6380 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6381 config_cmd->config_table[i].msb_mac_addr,
6382 config_cmd->config_table[i].middle_mac_addr,
6383 config_cmd->config_table[i].lsb_mac_addr);
6386 old = config_cmd->hdr.length;
6388 for (; i < old; i++) {
6389 if (CAM_IS_INVALID(config_cmd->
6391 /* already invalidated */
6395 SET_FLAG(config_cmd->config_table[i].flags,
6396 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6397 T_ETH_MAC_COMMAND_INVALIDATE);
6401 config_cmd->hdr.length = i;
6402 config_cmd->hdr.offset = offset;
6403 config_cmd->hdr.client_id = 0xff;
6404 config_cmd->hdr.reserved1 = 0;
6406 bp->set_mac_pending = 1;
6409 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6410 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6412 static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
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 int ramrod_flags = WAIT_RAMROD_COMMON;
6419 bp->set_mac_pending = 1;
6422 for (i = 0; i < config_cmd->hdr.length; i++)
6423 SET_FLAG(config_cmd->config_table[i].flags,
6424 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6425 T_ETH_MAC_COMMAND_INVALIDATE);
6427 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6428 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6430 /* Wait for a completion */
6431 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6438 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6439 * MAC(s). This function will wait until the ramdord completion
6442 * @param bp driver handle
6443 * @param set set or clear the CAM entry
6445 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6447 static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
6449 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6450 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
6451 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6452 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
6453 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
6454 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
6456 /* Send a SET_MAC ramrod */
6457 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
6460 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
6466 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6467 * ETH MAC(s). This function will wait until the ramdord
6468 * completion returns.
6470 * @param bp driver handle
6471 * @param set set or clear the CAM entry
6473 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6475 int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6477 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6479 * CAM allocation for E1H
6480 * eth unicasts: by func number
6481 * iscsi: by func number
6482 * fip unicast: by func number
6483 * fip multicast: by func number
6485 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6486 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6491 int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6493 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6496 * CAM allocation for E1H
6497 * eth unicasts: by func number
6498 * iscsi: by func number
6499 * fip unicast: by func number
6500 * fip multicast: by func number
6502 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6503 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6509 static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6510 struct bnx2x_client_init_params *params,
6512 struct client_init_ramrod_data *data)
6514 /* Clear the buffer */
6515 memset(data, 0, sizeof(*data));
6518 data->general.client_id = params->rxq_params.cl_id;
6519 data->general.statistics_counter_id = params->rxq_params.stat_id;
6520 data->general.statistics_en_flg =
6521 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
6522 data->general.is_fcoe_flg =
6523 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
6524 data->general.activate_flg = activate;
6525 data->general.sp_client_id = params->rxq_params.spcl_id;
6528 data->rx.tpa_en_flg =
6529 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6530 data->rx.vmqueue_mode_en_flg = 0;
6531 data->rx.cache_line_alignment_log_size =
6532 params->rxq_params.cache_line_log;
6533 data->rx.enable_dynamic_hc =
6534 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6535 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6536 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6537 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6539 /* We don't set drop flags */
6540 data->rx.drop_ip_cs_err_flg = 0;
6541 data->rx.drop_tcp_cs_err_flg = 0;
6542 data->rx.drop_ttl0_flg = 0;
6543 data->rx.drop_udp_cs_err_flg = 0;
6545 data->rx.inner_vlan_removal_enable_flg =
6546 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6547 data->rx.outer_vlan_removal_enable_flg =
6548 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6549 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6550 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6551 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6552 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6553 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6554 data->rx.bd_page_base.lo =
6555 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6556 data->rx.bd_page_base.hi =
6557 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6558 data->rx.sge_page_base.lo =
6559 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6560 data->rx.sge_page_base.hi =
6561 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6562 data->rx.cqe_page_base.lo =
6563 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6564 data->rx.cqe_page_base.hi =
6565 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6566 data->rx.is_leading_rss =
6567 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6568 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6571 data->tx.enforce_security_flg = 0; /* VF specific */
6572 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6573 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6574 data->tx.mtu = 0; /* VF specific */
6575 data->tx.tx_bd_page_base.lo =
6576 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6577 data->tx.tx_bd_page_base.hi =
6578 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6580 /* flow control data */
6581 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6582 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6583 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6584 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6585 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6586 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6587 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6589 data->fc.safc_group_num = params->txq_params.cos;
6590 data->fc.safc_group_en_flg =
6591 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
6592 data->fc.traffic_type =
6593 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6594 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
6597 static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6599 /* ustorm cxt validation */
6600 cxt->ustorm_ag_context.cdu_usage =
6601 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6602 ETH_CONNECTION_TYPE);
6603 /* xcontext validation */
6604 cxt->xstorm_ag_context.cdu_reserved =
6605 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6606 ETH_CONNECTION_TYPE);
6609 static int bnx2x_setup_fw_client(struct bnx2x *bp,
6610 struct bnx2x_client_init_params *params,
6612 struct client_init_ramrod_data *data,
6613 dma_addr_t data_mapping)
6616 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6617 int ramrod_flags = 0, rc;
6619 /* HC and context validation values */
6620 hc_usec = params->txq_params.hc_rate ?
6621 1000000 / params->txq_params.hc_rate : 0;
6622 bnx2x_update_coalesce_sb_index(bp,
6623 params->txq_params.fw_sb_id,
6624 params->txq_params.sb_cq_index,
6625 !(params->txq_params.flags & QUEUE_FLG_HC),
6628 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6630 hc_usec = params->rxq_params.hc_rate ?
6631 1000000 / params->rxq_params.hc_rate : 0;
6632 bnx2x_update_coalesce_sb_index(bp,
6633 params->rxq_params.fw_sb_id,
6634 params->rxq_params.sb_cq_index,
6635 !(params->rxq_params.flags & QUEUE_FLG_HC),
6638 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6639 params->rxq_params.cid);
6642 if (params->txq_params.flags & QUEUE_FLG_STATS)
6643 storm_memset_xstats_zero(bp, BP_PORT(bp),
6644 params->txq_params.stat_id);
6646 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6647 storm_memset_ustats_zero(bp, BP_PORT(bp),
6648 params->rxq_params.stat_id);
6649 storm_memset_tstats_zero(bp, BP_PORT(bp),
6650 params->rxq_params.stat_id);
6653 /* Fill the ramrod data */
6654 bnx2x_fill_cl_init_data(bp, params, activate, data);
6658 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6659 * barrier except from mmiowb() is needed to impose a
6660 * proper ordering of memory operations.
6665 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6666 U64_HI(data_mapping), U64_LO(data_mapping), 0);
6668 /* Wait for completion */
6669 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6670 params->ramrod_params.index,
6671 params->ramrod_params.pstate,
6677 * Configure interrupt mode according to current configuration.
6678 * In case of MSI-X it will also try to enable MSI-X.
6684 static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
6688 switch (bp->int_mode) {
6690 bnx2x_enable_msi(bp);
6691 /* falling through... */
6693 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6694 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
6697 /* Set number of queues according to bp->multi_mode value */
6698 bnx2x_set_num_queues(bp);
6700 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6703 /* if we can't use MSI-X we only need one fp,
6704 * so try to enable MSI-X with the requested number of fp's
6705 * and fallback to MSI or legacy INTx with one fp
6707 rc = bnx2x_enable_msix(bp);
6709 /* failed to enable MSI-X */
6712 "Multi requested but failed to "
6713 "enable MSI-X (%d), "
6714 "set number of queues to %d\n",
6716 1 + NONE_ETH_CONTEXT_USE);
6717 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6719 if (!(bp->flags & DISABLE_MSI_FLAG))
6720 bnx2x_enable_msi(bp);
6729 /* must be called prioir to any HW initializations */
6730 static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6732 return L2_ILT_LINES(bp);
6735 void bnx2x_ilt_set_info(struct bnx2x *bp)
6737 struct ilt_client_info *ilt_client;
6738 struct bnx2x_ilt *ilt = BP_ILT(bp);
6741 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6742 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6745 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6746 ilt_client->client_num = ILT_CLIENT_CDU;
6747 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6748 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6749 ilt_client->start = line;
6750 line += L2_ILT_LINES(bp);
6752 line += CNIC_ILT_LINES;
6754 ilt_client->end = line - 1;
6756 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6757 "flags 0x%x, hw psz %d\n",
6760 ilt_client->page_size,
6762 ilog2(ilt_client->page_size >> 12));
6765 if (QM_INIT(bp->qm_cid_count)) {
6766 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6767 ilt_client->client_num = ILT_CLIENT_QM;
6768 ilt_client->page_size = QM_ILT_PAGE_SZ;
6769 ilt_client->flags = 0;
6770 ilt_client->start = line;
6772 /* 4 bytes for each cid */
6773 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6776 ilt_client->end = line - 1;
6778 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6779 "flags 0x%x, hw psz %d\n",
6782 ilt_client->page_size,
6784 ilog2(ilt_client->page_size >> 12));
6788 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6790 ilt_client->client_num = ILT_CLIENT_SRC;
6791 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6792 ilt_client->flags = 0;
6793 ilt_client->start = line;
6794 line += SRC_ILT_LINES;
6795 ilt_client->end = line - 1;
6797 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6798 "flags 0x%x, hw psz %d\n",
6801 ilt_client->page_size,
6803 ilog2(ilt_client->page_size >> 12));
6806 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6810 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6812 ilt_client->client_num = ILT_CLIENT_TM;
6813 ilt_client->page_size = TM_ILT_PAGE_SZ;
6814 ilt_client->flags = 0;
6815 ilt_client->start = line;
6816 line += TM_ILT_LINES;
6817 ilt_client->end = line - 1;
6819 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6820 "flags 0x%x, hw psz %d\n",
6823 ilt_client->page_size,
6825 ilog2(ilt_client->page_size >> 12));
6828 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6832 int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6835 struct bnx2x_client_init_params params = { {0} };
6838 /* reset IGU state skip FCoE L2 queue */
6839 if (!IS_FCOE_FP(fp))
6840 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
6843 params.ramrod_params.pstate = &fp->state;
6844 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6845 params.ramrod_params.index = fp->index;
6846 params.ramrod_params.cid = fp->cid;
6850 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6855 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6857 bnx2x_pf_rx_cl_prep(bp, fp, ¶ms.pause, ¶ms.rxq_params);
6859 bnx2x_pf_tx_cl_prep(bp, fp, ¶ms.txq_params);
6861 rc = bnx2x_setup_fw_client(bp, ¶ms, 1,
6862 bnx2x_sp(bp, client_init_data),
6863 bnx2x_sp_mapping(bp, client_init_data));
6867 static int bnx2x_stop_fw_client(struct bnx2x *bp,
6868 struct bnx2x_client_ramrod_params *p)
6872 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6874 /* halt the connection */
6875 *p->pstate = BNX2X_FP_STATE_HALTING;
6876 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6879 /* Wait for completion */
6880 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6881 p->pstate, poll_flag);
6882 if (rc) /* timeout */
6885 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6886 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6888 /* Wait for completion */
6889 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6890 p->pstate, poll_flag);
6891 if (rc) /* timeout */
6895 /* delete cfc entry */
6896 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
6898 /* Wait for completion */
6899 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6900 p->pstate, WAIT_RAMROD_COMMON);
6904 static int bnx2x_stop_client(struct bnx2x *bp, int index)
6906 struct bnx2x_client_ramrod_params client_stop = {0};
6907 struct bnx2x_fastpath *fp = &bp->fp[index];
6909 client_stop.index = index;
6910 client_stop.cid = fp->cid;
6911 client_stop.cl_id = fp->cl_id;
6912 client_stop.pstate = &(fp->state);
6913 client_stop.poll = 0;
6915 return bnx2x_stop_fw_client(bp, &client_stop);
6919 static void bnx2x_reset_func(struct bnx2x *bp)
6921 int port = BP_PORT(bp);
6922 int func = BP_FUNC(bp);
6924 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
6926 offsetof(struct hc_status_block_data_e2, common) :
6927 offsetof(struct hc_status_block_data_e1x, common));
6928 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6929 int pfid_offset = offsetof(struct pci_entity, pf_id);
6931 /* Disable the function in the FW */
6932 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6933 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6934 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6935 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6938 for_each_eth_queue(bp, i) {
6939 struct bnx2x_fastpath *fp = &bp->fp[i];
6941 BAR_CSTRORM_INTMEM +
6942 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6943 + pfunc_offset_fp + pfid_offset,
6944 HC_FUNCTION_DISABLED);
6949 BAR_CSTRORM_INTMEM +
6950 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6951 pfunc_offset_sp + pfid_offset,
6952 HC_FUNCTION_DISABLED);
6955 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6956 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6960 if (bp->common.int_block == INT_BLOCK_HC) {
6961 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6962 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6964 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6965 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6969 /* Disable Timer scan */
6970 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6972 * Wait for at least 10ms and up to 2 second for the timers scan to
6975 for (i = 0; i < 200; i++) {
6977 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6982 bnx2x_clear_func_ilt(bp, func);
6984 /* Timers workaround bug for E2: if this is vnic-3,
6985 * we need to set the entire ilt range for this timers.
6987 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6988 struct ilt_client_info ilt_cli;
6989 /* use dummy TM client */
6990 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6992 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6993 ilt_cli.client_num = ILT_CLIENT_TM;
6995 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6998 /* this assumes that reset_port() called before reset_func()*/
7000 bnx2x_pf_disable(bp);
7005 static void bnx2x_reset_port(struct bnx2x *bp)
7007 int port = BP_PORT(bp);
7010 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7012 /* Do not rcv packets to BRB */
7013 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7014 /* Do not direct rcv packets that are not for MCP to the BRB */
7015 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7016 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7019 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7022 /* Check for BRB port occupancy */
7023 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7025 DP(NETIF_MSG_IFDOWN,
7026 "BRB1 is not empty %d blocks are occupied\n", val);
7028 /* TODO: Close Doorbell port? */
7031 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7033 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
7034 BP_ABS_FUNC(bp), reset_code);
7036 switch (reset_code) {
7037 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7038 bnx2x_reset_port(bp);
7039 bnx2x_reset_func(bp);
7040 bnx2x_reset_common(bp);
7043 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7044 bnx2x_reset_port(bp);
7045 bnx2x_reset_func(bp);
7048 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7049 bnx2x_reset_func(bp);
7053 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7059 static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7061 if (bp->flags & FCOE_MACS_SET) {
7063 bnx2x_set_fip_eth_mac_addr(bp, 0);
7065 bnx2x_set_all_enode_macs(bp, 0);
7067 bp->flags &= ~FCOE_MACS_SET;
7072 void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
7074 int port = BP_PORT(bp);
7078 /* Wait until tx fastpath tasks complete */
7079 for_each_tx_queue(bp, i) {
7080 struct bnx2x_fastpath *fp = &bp->fp[i];
7083 while (bnx2x_has_tx_work_unload(fp)) {
7086 BNX2X_ERR("timeout waiting for queue[%d]\n",
7088 #ifdef BNX2X_STOP_ON_ERROR
7099 /* Give HW time to discard old tx messages */
7102 if (CHIP_IS_E1(bp)) {
7103 /* invalidate mc list,
7104 * wait and poll (interrupts are off)
7106 bnx2x_invlidate_e1_mc_list(bp);
7107 bnx2x_set_eth_mac(bp, 0);
7110 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7112 bnx2x_set_eth_mac(bp, 0);
7114 for (i = 0; i < MC_HASH_SIZE; i++)
7115 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7119 bnx2x_del_fcoe_eth_macs(bp);
7122 if (unload_mode == UNLOAD_NORMAL)
7123 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7125 else if (bp->flags & NO_WOL_FLAG)
7126 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
7129 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
7130 u8 *mac_addr = bp->dev->dev_addr;
7132 /* The mac address is written to entries 1-4 to
7133 preserve entry 0 which is used by the PMF */
7134 u8 entry = (BP_E1HVN(bp) + 1)*8;
7136 val = (mac_addr[0] << 8) | mac_addr[1];
7137 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
7139 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7140 (mac_addr[4] << 8) | mac_addr[5];
7141 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
7143 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
7146 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7148 /* Close multi and leading connections
7149 Completions for ramrods are collected in a synchronous way */
7150 for_each_queue(bp, i)
7152 if (bnx2x_stop_client(bp, i))
7153 #ifdef BNX2X_STOP_ON_ERROR
7159 rc = bnx2x_func_stop(bp);
7161 BNX2X_ERR("Function stop failed!\n");
7162 #ifdef BNX2X_STOP_ON_ERROR
7168 #ifndef BNX2X_STOP_ON_ERROR
7172 reset_code = bnx2x_fw_command(bp, reset_code, 0);
7174 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7175 "%d, %d, %d\n", BP_PATH(bp),
7176 load_count[BP_PATH(bp)][0],
7177 load_count[BP_PATH(bp)][1],
7178 load_count[BP_PATH(bp)][2]);
7179 load_count[BP_PATH(bp)][0]--;
7180 load_count[BP_PATH(bp)][1 + port]--;
7181 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7182 "%d, %d, %d\n", BP_PATH(bp),
7183 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7184 load_count[BP_PATH(bp)][2]);
7185 if (load_count[BP_PATH(bp)][0] == 0)
7186 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
7187 else if (load_count[BP_PATH(bp)][1 + port] == 0)
7188 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7190 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7193 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7194 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7195 bnx2x__link_reset(bp);
7197 /* Disable HW interrupts, NAPI */
7198 bnx2x_netif_stop(bp, 1);
7203 /* Reset the chip */
7204 bnx2x_reset_chip(bp, reset_code);
7206 /* Report UNLOAD_DONE to MCP */
7208 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7212 void bnx2x_disable_close_the_gate(struct bnx2x *bp)
7216 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7218 if (CHIP_IS_E1(bp)) {
7219 int port = BP_PORT(bp);
7220 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7221 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7223 val = REG_RD(bp, addr);
7225 REG_WR(bp, addr, val);
7226 } else if (CHIP_IS_E1H(bp)) {
7227 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7228 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7229 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7230 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7234 /* Close gates #2, #3 and #4: */
7235 static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7239 /* Gates #2 and #4a are closed/opened for "not E1" only */
7240 if (!CHIP_IS_E1(bp)) {
7242 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7243 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7244 close ? (val | 0x1) : (val & (~(u32)1)));
7246 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7247 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7248 close ? (val | 0x1) : (val & (~(u32)1)));
7252 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7253 val = REG_RD(bp, addr);
7254 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7256 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7257 close ? "closing" : "opening");
7261 #define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7263 static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7265 /* Do some magic... */
7266 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7267 *magic_val = val & SHARED_MF_CLP_MAGIC;
7268 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7271 /* Restore the value of the `magic' bit.
7273 * @param pdev Device handle.
7274 * @param magic_val Old value of the `magic' bit.
7276 static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7278 /* Restore the `magic' bit value... */
7279 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7280 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7281 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7285 * Prepares for MCP reset: takes care of CLP configurations.
7288 * @param magic_val Old value of 'magic' bit.
7290 static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7293 u32 validity_offset;
7295 DP(NETIF_MSG_HW, "Starting\n");
7297 /* Set `magic' bit in order to save MF config */
7298 if (!CHIP_IS_E1(bp))
7299 bnx2x_clp_reset_prep(bp, magic_val);
7301 /* Get shmem offset */
7302 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7303 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7305 /* Clear validity map flags */
7307 REG_WR(bp, shmem + validity_offset, 0);
7310 #define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7311 #define MCP_ONE_TIMEOUT 100 /* 100 ms */
7313 /* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7314 * depending on the HW type.
7318 static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7320 /* special handling for emulation and FPGA,
7321 wait 10 times longer */
7322 if (CHIP_REV_IS_SLOW(bp))
7323 msleep(MCP_ONE_TIMEOUT*10);
7325 msleep(MCP_ONE_TIMEOUT);
7328 static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7330 u32 shmem, cnt, validity_offset, val;
7335 /* Get shmem offset */
7336 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7338 BNX2X_ERR("Shmem 0 return failure\n");
7343 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7345 /* Wait for MCP to come up */
7346 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7347 /* TBD: its best to check validity map of last port.
7348 * currently checks on port 0.
7350 val = REG_RD(bp, shmem + validity_offset);
7351 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7352 shmem + validity_offset, val);
7354 /* check that shared memory is valid. */
7355 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7356 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7359 bnx2x_mcp_wait_one(bp);
7362 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7364 /* Check that shared memory is valid. This indicates that MCP is up. */
7365 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7366 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7367 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7373 /* Restore the `magic' bit value */
7374 if (!CHIP_IS_E1(bp))
7375 bnx2x_clp_reset_done(bp, magic_val);
7380 static void bnx2x_pxp_prep(struct bnx2x *bp)
7382 if (!CHIP_IS_E1(bp)) {
7383 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7384 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7385 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7391 * Reset the whole chip except for:
7393 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7396 * - MISC (including AEU)
7400 static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7402 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7405 MISC_REGISTERS_RESET_REG_1_RST_HC |
7406 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7407 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7410 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7411 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7412 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7413 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7414 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7415 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7416 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7417 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7419 reset_mask1 = 0xffffffff;
7422 reset_mask2 = 0xffff;
7424 reset_mask2 = 0x1ffff;
7426 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7427 reset_mask1 & (~not_reset_mask1));
7428 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7429 reset_mask2 & (~not_reset_mask2));
7434 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7435 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7439 static int bnx2x_process_kill(struct bnx2x *bp)
7443 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7446 /* Empty the Tetris buffer, wait for 1s */
7448 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7449 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7450 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7451 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7452 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7453 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7454 ((port_is_idle_0 & 0x1) == 0x1) &&
7455 ((port_is_idle_1 & 0x1) == 0x1) &&
7456 (pgl_exp_rom2 == 0xffffffff))
7459 } while (cnt-- > 0);
7462 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7464 " outstanding read requests after 1s!\n");
7465 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7466 " port_is_idle_0=0x%08x,"
7467 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7468 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7475 /* Close gates #2, #3 and #4 */
7476 bnx2x_set_234_gates(bp, true);
7478 /* TBD: Indicate that "process kill" is in progress to MCP */
7480 /* Clear "unprepared" bit */
7481 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7484 /* Make sure all is written to the chip before the reset */
7487 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7488 * PSWHST, GRC and PSWRD Tetris buffer.
7492 /* Prepare to chip reset: */
7494 bnx2x_reset_mcp_prep(bp, &val);
7500 /* reset the chip */
7501 bnx2x_process_kill_chip_reset(bp);
7504 /* Recover after reset: */
7506 if (bnx2x_reset_mcp_comp(bp, val))
7512 /* Open the gates #2, #3 and #4 */
7513 bnx2x_set_234_gates(bp, false);
7515 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7516 * reset state, re-enable attentions. */
7521 static int bnx2x_leader_reset(struct bnx2x *bp)
7524 /* Try to recover after the failure */
7525 if (bnx2x_process_kill(bp)) {
7526 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7529 goto exit_leader_reset;
7532 /* Clear "reset is in progress" bit and update the driver state */
7533 bnx2x_set_reset_done(bp);
7534 bp->recovery_state = BNX2X_RECOVERY_DONE;
7538 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7543 /* Assumption: runs under rtnl lock. This together with the fact
7544 * that it's called only from bnx2x_reset_task() ensure that it
7545 * will never be called when netif_running(bp->dev) is false.
7547 static void bnx2x_parity_recover(struct bnx2x *bp)
7549 DP(NETIF_MSG_HW, "Handling parity\n");
7551 switch (bp->recovery_state) {
7552 case BNX2X_RECOVERY_INIT:
7553 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7554 /* Try to get a LEADER_LOCK HW lock */
7555 if (bnx2x_trylock_hw_lock(bp,
7556 HW_LOCK_RESOURCE_RESERVED_08))
7559 /* Stop the driver */
7560 /* If interface has been removed - break */
7561 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7564 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7565 /* Ensure "is_leader" and "recovery_state"
7566 * update values are seen on other CPUs
7571 case BNX2X_RECOVERY_WAIT:
7572 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7573 if (bp->is_leader) {
7574 u32 load_counter = bnx2x_get_load_cnt(bp);
7576 /* Wait until all other functions get
7579 schedule_delayed_work(&bp->reset_task,
7583 /* If all other functions got down -
7584 * try to bring the chip back to
7585 * normal. In any case it's an exit
7586 * point for a leader.
7588 if (bnx2x_leader_reset(bp) ||
7589 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7590 printk(KERN_ERR"%s: Recovery "
7591 "has failed. Power cycle is "
7592 "needed.\n", bp->dev->name);
7593 /* Disconnect this device */
7594 netif_device_detach(bp->dev);
7595 /* Block ifup for all function
7596 * of this ASIC until
7597 * "process kill" or power
7600 bnx2x_set_reset_in_progress(bp);
7601 /* Shut down the power */
7602 bnx2x_set_power_state(bp,
7609 } else { /* non-leader */
7610 if (!bnx2x_reset_is_done(bp)) {
7611 /* Try to get a LEADER_LOCK HW lock as
7612 * long as a former leader may have
7613 * been unloaded by the user or
7614 * released a leadership by another
7617 if (bnx2x_trylock_hw_lock(bp,
7618 HW_LOCK_RESOURCE_RESERVED_08)) {
7619 /* I'm a leader now! Restart a
7626 schedule_delayed_work(&bp->reset_task,
7630 } else { /* A leader has completed
7631 * the "process kill". It's an exit
7632 * point for a non-leader.
7634 bnx2x_nic_load(bp, LOAD_NORMAL);
7635 bp->recovery_state =
7636 BNX2X_RECOVERY_DONE;
7647 /* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7648 * scheduled on a general queue in order to prevent a dead lock.
7650 static void bnx2x_reset_task(struct work_struct *work)
7652 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7654 #ifdef BNX2X_STOP_ON_ERROR
7655 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7656 " so reset not done to allow debug dump,\n"
7657 KERN_ERR " you will need to reboot when done\n");
7663 if (!netif_running(bp->dev))
7664 goto reset_task_exit;
7666 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7667 bnx2x_parity_recover(bp);
7669 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7670 bnx2x_nic_load(bp, LOAD_NORMAL);
7677 /* end of nic load/unload */
7680 * Init service functions
7683 static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
7685 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7686 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7687 return base + (BP_ABS_FUNC(bp)) * stride;
7690 static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7692 u32 reg = bnx2x_get_pretend_reg(bp);
7694 /* Flush all outstanding writes */
7697 /* Pretend to be function 0 */
7699 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
7701 /* From now we are in the "like-E1" mode */
7702 bnx2x_int_disable(bp);
7704 /* Flush all outstanding writes */
7707 /* Restore the original function */
7708 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7712 static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7715 bnx2x_int_disable(bp);
7717 bnx2x_undi_int_disable_e1h(bp);
7720 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
7724 /* Check if there is any driver already loaded */
7725 val = REG_RD(bp, MISC_REG_UNPREPARED);
7727 /* Check if it is the UNDI driver
7728 * UNDI driver initializes CID offset for normal bell to 0x7
7730 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7731 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7733 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7734 /* save our pf_num */
7735 int orig_pf_num = bp->pf_num;
7739 /* clear the UNDI indication */
7740 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7742 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7744 /* try unload UNDI on port 0 */
7747 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7748 DRV_MSG_SEQ_NUMBER_MASK);
7749 reset_code = bnx2x_fw_command(bp, reset_code, 0);
7751 /* if UNDI is loaded on the other port */
7752 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7754 /* send "DONE" for previous unload */
7755 bnx2x_fw_command(bp,
7756 DRV_MSG_CODE_UNLOAD_DONE, 0);
7758 /* unload UNDI on port 1 */
7761 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7762 DRV_MSG_SEQ_NUMBER_MASK);
7763 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7765 bnx2x_fw_command(bp, reset_code, 0);
7768 /* now it's safe to release the lock */
7769 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7771 bnx2x_undi_int_disable(bp);
7773 /* close input traffic and wait for it */
7774 /* Do not rcv packets to BRB */
7776 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7777 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7778 /* Do not direct rcv packets that are not for MCP to
7781 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7782 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7785 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7786 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7789 /* save NIG port swap info */
7790 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7791 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7794 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7797 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7799 /* take the NIG out of reset and restore swap values */
7801 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7802 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7803 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7804 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7806 /* send unload done to the MCP */
7807 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7809 /* restore our func and fw_seq */
7810 bp->pf_num = orig_pf_num;
7812 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7813 DRV_MSG_SEQ_NUMBER_MASK);
7815 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7819 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7821 u32 val, val2, val3, val4, id;
7824 /* Get the chip revision id and number. */
7825 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7826 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7827 id = ((val & 0xffff) << 16);
7828 val = REG_RD(bp, MISC_REG_CHIP_REV);
7829 id |= ((val & 0xf) << 12);
7830 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7831 id |= ((val & 0xff) << 4);
7832 val = REG_RD(bp, MISC_REG_BOND_ID);
7834 bp->common.chip_id = id;
7836 /* Set doorbell size */
7837 bp->db_size = (1 << BNX2X_DB_SHIFT);
7839 if (CHIP_IS_E2(bp)) {
7840 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7842 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7844 val = (val >> 1) & 1;
7845 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7847 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7850 if (CHIP_MODE_IS_4_PORT(bp))
7851 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7853 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7855 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7856 bp->pfid = bp->pf_num; /* 0..7 */
7860 * set base FW non-default (fast path) status block id, this value is
7861 * used to initialize the fw_sb_id saved on the fp/queue structure to
7862 * determine the id used by the FW.
7864 if (CHIP_IS_E1x(bp))
7865 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7867 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7869 bp->link_params.chip_id = bp->common.chip_id;
7870 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
7872 val = (REG_RD(bp, 0x2874) & 0x55);
7873 if ((bp->common.chip_id & 0x1) ||
7874 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7875 bp->flags |= ONE_PORT_FLAG;
7876 BNX2X_DEV_INFO("single port device\n");
7879 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7880 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7881 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7882 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7883 bp->common.flash_size, bp->common.flash_size);
7885 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7886 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7887 MISC_REG_GENERIC_CR_1 :
7888 MISC_REG_GENERIC_CR_0));
7889 bp->link_params.shmem_base = bp->common.shmem_base;
7890 bp->link_params.shmem2_base = bp->common.shmem2_base;
7891 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7892 bp->common.shmem_base, bp->common.shmem2_base);
7894 if (!bp->common.shmem_base) {
7895 BNX2X_DEV_INFO("MCP not active\n");
7896 bp->flags |= NO_MCP_FLAG;
7900 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7901 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7902 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7903 BNX2X_ERR("BAD MCP validity signature\n");
7905 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7906 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
7908 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7909 SHARED_HW_CFG_LED_MODE_MASK) >>
7910 SHARED_HW_CFG_LED_MODE_SHIFT);
7912 bp->link_params.feature_config_flags = 0;
7913 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7914 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7915 bp->link_params.feature_config_flags |=
7916 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7918 bp->link_params.feature_config_flags &=
7919 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7921 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7922 bp->common.bc_ver = val;
7923 BNX2X_DEV_INFO("bc_ver %X\n", val);
7924 if (val < BNX2X_BC_VER) {
7925 /* for now only warn
7926 * later we might need to enforce this */
7927 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7928 "please upgrade BC\n", BNX2X_BC_VER, val);
7930 bp->link_params.feature_config_flags |=
7931 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
7932 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7934 bp->link_params.feature_config_flags |=
7935 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7936 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
7938 if (BP_E1HVN(bp) == 0) {
7939 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7940 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7942 /* no WOL capability for E1HVN != 0 */
7943 bp->flags |= NO_WOL_FLAG;
7945 BNX2X_DEV_INFO("%sWoL capable\n",
7946 (bp->flags & NO_WOL_FLAG) ? "not " : "");
7948 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7949 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7950 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7951 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7953 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7954 val, val2, val3, val4);
7957 #define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7958 #define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7960 static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7962 int pfid = BP_FUNC(bp);
7963 int vn = BP_E1HVN(bp);
7968 bp->igu_base_sb = 0xff;
7970 if (CHIP_INT_MODE_IS_BC(bp)) {
7971 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
7972 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
7974 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7977 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7978 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7983 /* IGU in normal mode - read CAM */
7984 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7986 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7987 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7990 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7991 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7993 if (IGU_VEC(val) == 0)
7994 /* default status block */
7995 bp->igu_dsb_id = igu_sb_id;
7997 if (bp->igu_base_sb == 0xff)
7998 bp->igu_base_sb = igu_sb_id;
8003 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8004 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8005 if (bp->igu_sb_cnt == 0)
8006 BNX2X_ERR("CAM configuration error\n");
8009 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8012 int cfg_size = 0, idx, port = BP_PORT(bp);
8014 /* Aggregation of supported attributes of all external phys */
8015 bp->port.supported[0] = 0;
8016 bp->port.supported[1] = 0;
8017 switch (bp->link_params.num_phys) {
8019 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8023 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8027 if (bp->link_params.multi_phy_config &
8028 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8029 bp->port.supported[1] =
8030 bp->link_params.phy[EXT_PHY1].supported;
8031 bp->port.supported[0] =
8032 bp->link_params.phy[EXT_PHY2].supported;
8034 bp->port.supported[0] =
8035 bp->link_params.phy[EXT_PHY1].supported;
8036 bp->port.supported[1] =
8037 bp->link_params.phy[EXT_PHY2].supported;
8043 if (!(bp->port.supported[0] || bp->port.supported[1])) {
8044 BNX2X_ERR("NVRAM config error. BAD phy config."
8045 "PHY1 config 0x%x, PHY2 config 0x%x\n",
8047 dev_info.port_hw_config[port].external_phy_config),
8049 dev_info.port_hw_config[port].external_phy_config2));
8053 switch (switch_cfg) {
8055 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8057 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
8060 case SWITCH_CFG_10G:
8061 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8063 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
8067 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
8068 bp->port.link_config[0]);
8071 /* mask what we support according to speed_cap_mask per configuration */
8072 for (idx = 0; idx < cfg_size; idx++) {
8073 if (!(bp->link_params.speed_cap_mask[idx] &
8074 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
8075 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
8077 if (!(bp->link_params.speed_cap_mask[idx] &
8078 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
8079 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
8081 if (!(bp->link_params.speed_cap_mask[idx] &
8082 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
8083 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
8085 if (!(bp->link_params.speed_cap_mask[idx] &
8086 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
8087 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
8089 if (!(bp->link_params.speed_cap_mask[idx] &
8090 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
8091 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
8092 SUPPORTED_1000baseT_Full);
8094 if (!(bp->link_params.speed_cap_mask[idx] &
8095 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
8096 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
8098 if (!(bp->link_params.speed_cap_mask[idx] &
8099 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
8100 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
8104 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8105 bp->port.supported[1]);
8108 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
8110 u32 link_config, idx, cfg_size = 0;
8111 bp->port.advertising[0] = 0;
8112 bp->port.advertising[1] = 0;
8113 switch (bp->link_params.num_phys) {
8122 for (idx = 0; idx < cfg_size; idx++) {
8123 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8124 link_config = bp->port.link_config[idx];
8125 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
8126 case PORT_FEATURE_LINK_SPEED_AUTO:
8127 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8128 bp->link_params.req_line_speed[idx] =
8130 bp->port.advertising[idx] |=
8131 bp->port.supported[idx];
8133 /* force 10G, no AN */
8134 bp->link_params.req_line_speed[idx] =
8136 bp->port.advertising[idx] |=
8137 (ADVERTISED_10000baseT_Full |
8143 case PORT_FEATURE_LINK_SPEED_10M_FULL:
8144 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8145 bp->link_params.req_line_speed[idx] =
8147 bp->port.advertising[idx] |=
8148 (ADVERTISED_10baseT_Full |
8151 BNX2X_ERROR("NVRAM config error. "
8152 "Invalid link_config 0x%x"
8153 " speed_cap_mask 0x%x\n",
8155 bp->link_params.speed_cap_mask[idx]);
8160 case PORT_FEATURE_LINK_SPEED_10M_HALF:
8161 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8162 bp->link_params.req_line_speed[idx] =
8164 bp->link_params.req_duplex[idx] =
8166 bp->port.advertising[idx] |=
8167 (ADVERTISED_10baseT_Half |
8170 BNX2X_ERROR("NVRAM config error. "
8171 "Invalid link_config 0x%x"
8172 " speed_cap_mask 0x%x\n",
8174 bp->link_params.speed_cap_mask[idx]);
8179 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8180 if (bp->port.supported[idx] &
8181 SUPPORTED_100baseT_Full) {
8182 bp->link_params.req_line_speed[idx] =
8184 bp->port.advertising[idx] |=
8185 (ADVERTISED_100baseT_Full |
8188 BNX2X_ERROR("NVRAM config error. "
8189 "Invalid link_config 0x%x"
8190 " speed_cap_mask 0x%x\n",
8192 bp->link_params.speed_cap_mask[idx]);
8197 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8198 if (bp->port.supported[idx] &
8199 SUPPORTED_100baseT_Half) {
8200 bp->link_params.req_line_speed[idx] =
8202 bp->link_params.req_duplex[idx] =
8204 bp->port.advertising[idx] |=
8205 (ADVERTISED_100baseT_Half |
8208 BNX2X_ERROR("NVRAM config error. "
8209 "Invalid link_config 0x%x"
8210 " speed_cap_mask 0x%x\n",
8212 bp->link_params.speed_cap_mask[idx]);
8217 case PORT_FEATURE_LINK_SPEED_1G:
8218 if (bp->port.supported[idx] &
8219 SUPPORTED_1000baseT_Full) {
8220 bp->link_params.req_line_speed[idx] =
8222 bp->port.advertising[idx] |=
8223 (ADVERTISED_1000baseT_Full |
8226 BNX2X_ERROR("NVRAM config error. "
8227 "Invalid link_config 0x%x"
8228 " speed_cap_mask 0x%x\n",
8230 bp->link_params.speed_cap_mask[idx]);
8235 case PORT_FEATURE_LINK_SPEED_2_5G:
8236 if (bp->port.supported[idx] &
8237 SUPPORTED_2500baseX_Full) {
8238 bp->link_params.req_line_speed[idx] =
8240 bp->port.advertising[idx] |=
8241 (ADVERTISED_2500baseX_Full |
8244 BNX2X_ERROR("NVRAM config error. "
8245 "Invalid link_config 0x%x"
8246 " speed_cap_mask 0x%x\n",
8248 bp->link_params.speed_cap_mask[idx]);
8253 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8254 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8255 case PORT_FEATURE_LINK_SPEED_10G_KR:
8256 if (bp->port.supported[idx] &
8257 SUPPORTED_10000baseT_Full) {
8258 bp->link_params.req_line_speed[idx] =
8260 bp->port.advertising[idx] |=
8261 (ADVERTISED_10000baseT_Full |
8264 BNX2X_ERROR("NVRAM config error. "
8265 "Invalid link_config 0x%x"
8266 " speed_cap_mask 0x%x\n",
8268 bp->link_params.speed_cap_mask[idx]);
8274 BNX2X_ERROR("NVRAM config error. "
8275 "BAD link speed link_config 0x%x\n",
8277 bp->link_params.req_line_speed[idx] =
8279 bp->port.advertising[idx] =
8280 bp->port.supported[idx];
8284 bp->link_params.req_flow_ctrl[idx] = (link_config &
8285 PORT_FEATURE_FLOW_CONTROL_MASK);
8286 if ((bp->link_params.req_flow_ctrl[idx] ==
8287 BNX2X_FLOW_CTRL_AUTO) &&
8288 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8289 bp->link_params.req_flow_ctrl[idx] =
8290 BNX2X_FLOW_CTRL_NONE;
8293 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8294 " 0x%x advertising 0x%x\n",
8295 bp->link_params.req_line_speed[idx],
8296 bp->link_params.req_duplex[idx],
8297 bp->link_params.req_flow_ctrl[idx],
8298 bp->port.advertising[idx]);
8302 static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8304 mac_hi = cpu_to_be16(mac_hi);
8305 mac_lo = cpu_to_be32(mac_lo);
8306 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8307 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8310 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
8312 int port = BP_PORT(bp);
8314 u32 ext_phy_type, ext_phy_config;
8316 bp->link_params.bp = bp;
8317 bp->link_params.port = port;
8319 bp->link_params.lane_config =
8320 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
8322 bp->link_params.speed_cap_mask[0] =
8324 dev_info.port_hw_config[port].speed_capability_mask);
8325 bp->link_params.speed_cap_mask[1] =
8327 dev_info.port_hw_config[port].speed_capability_mask2);
8328 bp->port.link_config[0] =
8329 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8331 bp->port.link_config[1] =
8332 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8334 bp->link_params.multi_phy_config =
8335 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8336 /* If the device is capable of WoL, set the default state according
8339 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8340 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8341 (config & PORT_FEATURE_WOL_ENABLED));
8343 BNX2X_DEV_INFO("lane_config 0x%08x "
8344 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
8345 bp->link_params.lane_config,
8346 bp->link_params.speed_cap_mask[0],
8347 bp->port.link_config[0]);
8349 bp->link_params.switch_cfg = (bp->port.link_config[0] &
8350 PORT_FEATURE_CONNECTED_SWITCH_MASK);
8351 bnx2x_phy_probe(&bp->link_params);
8352 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
8354 bnx2x_link_settings_requested(bp);
8357 * If connected directly, work with the internal PHY, otherwise, work
8358 * with the external PHY
8362 dev_info.port_hw_config[port].external_phy_config);
8363 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
8364 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8365 bp->mdio.prtad = bp->port.phy_addr;
8367 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8368 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8370 XGXS_EXT_PHY_ADDR(ext_phy_config);
8373 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8374 * In MF mode, it is set to cover self test cases
8377 bp->port.need_hw_lock = 1;
8379 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8380 bp->common.shmem_base,
8381 bp->common.shmem2_base);
8385 static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8387 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8388 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8389 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8390 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8392 /* Get the number of maximum allowed iSCSI and FCoE connections */
8393 bp->cnic_eth_dev.max_iscsi_conn =
8394 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8395 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8397 bp->cnic_eth_dev.max_fcoe_conn =
8398 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8399 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8401 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8402 bp->cnic_eth_dev.max_iscsi_conn,
8403 bp->cnic_eth_dev.max_fcoe_conn);
8405 /* If mamimum allowed number of connections is zero -
8406 * disable the feature.
8408 if (!bp->cnic_eth_dev.max_iscsi_conn)
8409 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8411 if (!bp->cnic_eth_dev.max_fcoe_conn)
8412 bp->flags |= NO_FCOE_FLAG;
8416 static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8419 int func = BP_ABS_FUNC(bp);
8420 int port = BP_PORT(bp);
8422 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8423 u8 *fip_mac = bp->fip_mac;
8427 BNX2X_ERROR("warning: random MAC workaround active\n");
8428 random_ether_addr(bp->dev->dev_addr);
8429 } else if (IS_MF(bp)) {
8430 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8431 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8432 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8433 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8434 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8437 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8438 * FCoE MAC then the appropriate feature should be disabled.
8441 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8442 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8443 val2 = MF_CFG_RD(bp, func_ext_config[func].
8444 iscsi_mac_addr_upper);
8445 val = MF_CFG_RD(bp, func_ext_config[func].
8446 iscsi_mac_addr_lower);
8447 BNX2X_DEV_INFO("Read iSCSI MAC: "
8448 "0x%x:0x%04x\n", val2, val);
8449 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8451 /* Disable iSCSI OOO if MAC configuration is
8454 if (!is_valid_ether_addr(iscsi_mac)) {
8455 bp->flags |= NO_ISCSI_OOO_FLAG |
8457 memset(iscsi_mac, 0, ETH_ALEN);
8460 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8462 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8463 val2 = MF_CFG_RD(bp, func_ext_config[func].
8464 fcoe_mac_addr_upper);
8465 val = MF_CFG_RD(bp, func_ext_config[func].
8466 fcoe_mac_addr_lower);
8467 BNX2X_DEV_INFO("Read FCoE MAC to "
8468 "0x%x:0x%04x\n", val2, val);
8469 bnx2x_set_mac_buf(fip_mac, val, val2);
8471 /* Disable FCoE if MAC configuration is
8474 if (!is_valid_ether_addr(fip_mac)) {
8475 bp->flags |= NO_FCOE_FLAG;
8476 memset(bp->fip_mac, 0, ETH_ALEN);
8479 bp->flags |= NO_FCOE_FLAG;
8483 /* in SF read MACs from port configuration */
8484 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8485 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8486 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8489 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8491 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8493 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8497 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8498 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
8501 /* Set the FCoE MAC in modes other then MF_SI */
8502 if (!CHIP_IS_E1x(bp)) {
8504 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8505 else if (!IS_MF(bp))
8506 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
8511 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8513 int /*abs*/func = BP_ABS_FUNC(bp);
8518 bnx2x_get_common_hwinfo(bp);
8520 if (CHIP_IS_E1x(bp)) {
8521 bp->common.int_block = INT_BLOCK_HC;
8523 bp->igu_dsb_id = DEF_SB_IGU_ID;
8524 bp->igu_base_sb = 0;
8525 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8526 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8528 bp->common.int_block = INT_BLOCK_IGU;
8529 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8530 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8531 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8532 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8534 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8536 bnx2x_get_igu_cam_info(bp);
8539 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8540 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8543 * Initialize MF configuration
8551 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
8553 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8554 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8555 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
8556 if (SHMEM2_HAS(bp, mf_cfg_addr))
8557 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8559 bp->common.mf_cfg_base = bp->common.shmem_base +
8560 offsetof(struct shmem_region, func_mb) +
8561 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
8563 * get mf configuration:
8564 * 1. existance of MF configuration
8565 * 2. MAC address must be legal (check only upper bytes)
8566 * for Switch-Independent mode;
8567 * OVLAN must be legal for Switch-Dependent mode
8568 * 3. SF_MODE configures specific MF mode
8570 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8571 /* get mf configuration */
8573 dev_info.shared_feature_config.config);
8574 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
8577 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8578 val = MF_CFG_RD(bp, func_mf_config[func].
8580 /* check for legal mac (upper bytes)*/
8581 if (val != 0xffff) {
8582 bp->mf_mode = MULTI_FUNCTION_SI;
8583 bp->mf_config[vn] = MF_CFG_RD(bp,
8584 func_mf_config[func].config);
8586 DP(NETIF_MSG_PROBE, "illegal MAC "
8587 "address for SI\n");
8589 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8590 /* get OV configuration */
8592 func_mf_config[FUNC_0].e1hov_tag);
8593 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8595 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8596 bp->mf_mode = MULTI_FUNCTION_SD;
8597 bp->mf_config[vn] = MF_CFG_RD(bp,
8598 func_mf_config[func].config);
8600 DP(NETIF_MSG_PROBE, "illegal OV for "
8604 /* Unknown configuration: reset mf_config */
8605 bp->mf_config[vn] = 0;
8606 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8611 BNX2X_DEV_INFO("%s function mode\n",
8612 IS_MF(bp) ? "multi" : "single");
8614 switch (bp->mf_mode) {
8615 case MULTI_FUNCTION_SD:
8616 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8617 FUNC_MF_CFG_E1HOV_TAG_MASK;
8618 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8620 BNX2X_DEV_INFO("MF OV for func %d is %d"
8621 " (0x%04x)\n", func,
8622 bp->mf_ov, bp->mf_ov);
8624 BNX2X_ERR("No valid MF OV for func %d,"
8625 " aborting\n", func);
8629 case MULTI_FUNCTION_SI:
8630 BNX2X_DEV_INFO("func %d is in MF "
8631 "switch-independent mode\n", func);
8635 BNX2X_ERR("VN %d in single function mode,"
8644 /* adjust igu_sb_cnt to MF for E1x */
8645 if (CHIP_IS_E1x(bp) && IS_MF(bp))
8646 bp->igu_sb_cnt /= E1HVN_MAX;
8649 * adjust E2 sb count: to be removed when FW will support
8650 * more then 16 L2 clients
8652 #define MAX_L2_CLIENTS 16
8654 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8655 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8657 if (!BP_NOMCP(bp)) {
8658 bnx2x_get_port_hwinfo(bp);
8661 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8662 DRV_MSG_SEQ_NUMBER_MASK);
8663 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8666 /* Get MAC addresses */
8667 bnx2x_get_mac_hwinfo(bp);
8670 bnx2x_get_cnic_info(bp);
8676 static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8678 int cnt, i, block_end, rodi;
8679 char vpd_data[BNX2X_VPD_LEN+1];
8680 char str_id_reg[VENDOR_ID_LEN+1];
8681 char str_id_cap[VENDOR_ID_LEN+1];
8684 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8685 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8687 if (cnt < BNX2X_VPD_LEN)
8690 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8691 PCI_VPD_LRDT_RO_DATA);
8696 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8697 pci_vpd_lrdt_size(&vpd_data[i]);
8699 i += PCI_VPD_LRDT_TAG_SIZE;
8701 if (block_end > BNX2X_VPD_LEN)
8704 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8705 PCI_VPD_RO_KEYWORD_MFR_ID);
8709 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8711 if (len != VENDOR_ID_LEN)
8714 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8716 /* vendor specific info */
8717 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8718 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8719 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8720 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8722 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8723 PCI_VPD_RO_KEYWORD_VENDOR0);
8725 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8727 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8729 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8730 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8731 bp->fw_ver[len] = ' ';
8740 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8746 /* Disable interrupt handling until HW is initialized */
8747 atomic_set(&bp->intr_sem, 1);
8748 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
8750 mutex_init(&bp->port.phy_mutex);
8751 mutex_init(&bp->fw_mb_mutex);
8752 spin_lock_init(&bp->stats_lock);
8754 mutex_init(&bp->cnic_mutex);
8757 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8758 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8760 rc = bnx2x_get_hwinfo(bp);
8763 rc = bnx2x_alloc_mem_bp(bp);
8765 bnx2x_read_fwinfo(bp);
8769 /* need to reset chip if undi was active */
8771 bnx2x_undi_unload(bp);
8773 if (CHIP_REV_IS_FPGA(bp))
8774 dev_err(&bp->pdev->dev, "FPGA detected\n");
8776 if (BP_NOMCP(bp) && (func == 0))
8777 dev_err(&bp->pdev->dev, "MCP disabled, "
8778 "must load devices in order!\n");
8780 bp->multi_mode = multi_mode;
8781 bp->int_mode = int_mode;
8783 bp->dev->features |= NETIF_F_GRO;
8787 bp->flags &= ~TPA_ENABLE_FLAG;
8788 bp->dev->features &= ~NETIF_F_LRO;
8790 bp->flags |= TPA_ENABLE_FLAG;
8791 bp->dev->features |= NETIF_F_LRO;
8793 bp->disable_tpa = disable_tpa;
8796 bp->dropless_fc = 0;
8798 bp->dropless_fc = dropless_fc;
8802 bp->tx_ring_size = MAX_TX_AVAIL;
8806 /* make sure that the numbers are in the right granularity */
8807 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8808 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8810 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8811 bp->current_interval = (poll ? poll : timer_interval);
8813 init_timer(&bp->timer);
8814 bp->timer.expires = jiffies + bp->current_interval;
8815 bp->timer.data = (unsigned long) bp;
8816 bp->timer.function = bnx2x_timer;
8818 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
8819 bnx2x_dcbx_init_params(bp);
8825 /****************************************************************************
8826 * General service functions
8827 ****************************************************************************/
8829 /* called with rtnl_lock */
8830 static int bnx2x_open(struct net_device *dev)
8832 struct bnx2x *bp = netdev_priv(dev);
8834 netif_carrier_off(dev);
8836 bnx2x_set_power_state(bp, PCI_D0);
8838 if (!bnx2x_reset_is_done(bp)) {
8840 /* Reset MCP mail box sequence if there is on going
8845 /* If it's the first function to load and reset done
8846 * is still not cleared it may mean that. We don't
8847 * check the attention state here because it may have
8848 * already been cleared by a "common" reset but we
8849 * shell proceed with "process kill" anyway.
8851 if ((bnx2x_get_load_cnt(bp) == 0) &&
8852 bnx2x_trylock_hw_lock(bp,
8853 HW_LOCK_RESOURCE_RESERVED_08) &&
8854 (!bnx2x_leader_reset(bp))) {
8855 DP(NETIF_MSG_HW, "Recovered in open\n");
8859 bnx2x_set_power_state(bp, PCI_D3hot);
8861 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8862 " completed yet. Try again later. If u still see this"
8863 " message after a few retries then power cycle is"
8864 " required.\n", bp->dev->name);
8870 bp->recovery_state = BNX2X_RECOVERY_DONE;
8872 return bnx2x_nic_load(bp, LOAD_OPEN);
8875 /* called with rtnl_lock */
8876 static int bnx2x_close(struct net_device *dev)
8878 struct bnx2x *bp = netdev_priv(dev);
8880 /* Unload the driver, release IRQs */
8881 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8882 bnx2x_set_power_state(bp, PCI_D3hot);
8887 /* called with netif_tx_lock from dev_mcast.c */
8888 void bnx2x_set_rx_mode(struct net_device *dev)
8890 struct bnx2x *bp = netdev_priv(dev);
8891 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8892 int port = BP_PORT(bp);
8894 if (bp->state != BNX2X_STATE_OPEN) {
8895 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8899 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8901 if (dev->flags & IFF_PROMISC)
8902 rx_mode = BNX2X_RX_MODE_PROMISC;
8903 else if ((dev->flags & IFF_ALLMULTI) ||
8904 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8906 rx_mode = BNX2X_RX_MODE_ALLMULTI;
8907 else { /* some multicasts */
8908 if (CHIP_IS_E1(bp)) {
8910 * set mc list, do not wait as wait implies sleep
8911 * and set_rx_mode can be invoked from non-sleepable
8914 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8915 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8916 BNX2X_MAX_MULTICAST*(1 + port));
8918 bnx2x_set_e1_mc_list(bp, offset);
8920 /* Accept one or more multicasts */
8921 struct netdev_hw_addr *ha;
8922 u32 mc_filter[MC_HASH_SIZE];
8923 u32 crc, bit, regidx;
8926 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8928 netdev_for_each_mc_addr(ha, dev) {
8929 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
8932 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8934 bit = (crc >> 24) & 0xff;
8937 mc_filter[regidx] |= (1 << bit);
8940 for (i = 0; i < MC_HASH_SIZE; i++)
8941 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8946 bp->rx_mode = rx_mode;
8947 bnx2x_set_storm_rx_mode(bp);
8950 /* called with rtnl_lock */
8951 static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8952 int devad, u16 addr)
8954 struct bnx2x *bp = netdev_priv(netdev);
8958 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8959 prtad, devad, addr);
8961 /* The HW expects different devad if CL22 is used */
8962 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8964 bnx2x_acquire_phy_lock(bp);
8965 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
8966 bnx2x_release_phy_lock(bp);
8967 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8974 /* called with rtnl_lock */
8975 static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8976 u16 addr, u16 value)
8978 struct bnx2x *bp = netdev_priv(netdev);
8981 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8982 " value 0x%x\n", prtad, devad, addr, value);
8984 /* The HW expects different devad if CL22 is used */
8985 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8987 bnx2x_acquire_phy_lock(bp);
8988 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
8989 bnx2x_release_phy_lock(bp);
8993 /* called with rtnl_lock */
8994 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
8996 struct bnx2x *bp = netdev_priv(dev);
8997 struct mii_ioctl_data *mdio = if_mii(ifr);
8999 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9000 mdio->phy_id, mdio->reg_num, mdio->val_in);
9002 if (!netif_running(dev))
9005 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
9008 #ifdef CONFIG_NET_POLL_CONTROLLER
9009 static void poll_bnx2x(struct net_device *dev)
9011 struct bnx2x *bp = netdev_priv(dev);
9013 disable_irq(bp->pdev->irq);
9014 bnx2x_interrupt(bp->pdev->irq, dev);
9015 enable_irq(bp->pdev->irq);
9019 static const struct net_device_ops bnx2x_netdev_ops = {
9020 .ndo_open = bnx2x_open,
9021 .ndo_stop = bnx2x_close,
9022 .ndo_start_xmit = bnx2x_start_xmit,
9023 .ndo_select_queue = bnx2x_select_queue,
9024 .ndo_set_multicast_list = bnx2x_set_rx_mode,
9025 .ndo_set_mac_address = bnx2x_change_mac_addr,
9026 .ndo_validate_addr = eth_validate_addr,
9027 .ndo_do_ioctl = bnx2x_ioctl,
9028 .ndo_change_mtu = bnx2x_change_mtu,
9029 .ndo_tx_timeout = bnx2x_tx_timeout,
9030 #ifdef CONFIG_NET_POLL_CONTROLLER
9031 .ndo_poll_controller = poll_bnx2x,
9035 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9036 struct net_device *dev)
9041 SET_NETDEV_DEV(dev, &pdev->dev);
9042 bp = netdev_priv(dev);
9047 bp->pf_num = PCI_FUNC(pdev->devfn);
9049 rc = pci_enable_device(pdev);
9051 dev_err(&bp->pdev->dev,
9052 "Cannot enable PCI device, aborting\n");
9056 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9057 dev_err(&bp->pdev->dev,
9058 "Cannot find PCI device base address, aborting\n");
9060 goto err_out_disable;
9063 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
9064 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9065 " base address, aborting\n");
9067 goto err_out_disable;
9070 if (atomic_read(&pdev->enable_cnt) == 1) {
9071 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9073 dev_err(&bp->pdev->dev,
9074 "Cannot obtain PCI resources, aborting\n");
9075 goto err_out_disable;
9078 pci_set_master(pdev);
9079 pci_save_state(pdev);
9082 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9083 if (bp->pm_cap == 0) {
9084 dev_err(&bp->pdev->dev,
9085 "Cannot find power management capability, aborting\n");
9087 goto err_out_release;
9090 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9091 if (bp->pcie_cap == 0) {
9092 dev_err(&bp->pdev->dev,
9093 "Cannot find PCI Express capability, aborting\n");
9095 goto err_out_release;
9098 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
9099 bp->flags |= USING_DAC_FLAG;
9100 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
9101 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9102 " failed, aborting\n");
9104 goto err_out_release;
9107 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
9108 dev_err(&bp->pdev->dev,
9109 "System does not support DMA, aborting\n");
9111 goto err_out_release;
9114 dev->mem_start = pci_resource_start(pdev, 0);
9115 dev->base_addr = dev->mem_start;
9116 dev->mem_end = pci_resource_end(pdev, 0);
9118 dev->irq = pdev->irq;
9120 bp->regview = pci_ioremap_bar(pdev, 0);
9122 dev_err(&bp->pdev->dev,
9123 "Cannot map register space, aborting\n");
9125 goto err_out_release;
9128 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9129 min_t(u64, BNX2X_DB_SIZE(bp),
9130 pci_resource_len(pdev, 2)));
9131 if (!bp->doorbells) {
9132 dev_err(&bp->pdev->dev,
9133 "Cannot map doorbell space, aborting\n");
9138 bnx2x_set_power_state(bp, PCI_D0);
9140 /* clean indirect addresses */
9141 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9142 PCICFG_VENDOR_ID_OFFSET);
9143 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9144 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9145 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9146 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
9148 /* Reset the load counter */
9149 bnx2x_clear_load_cnt(bp);
9151 dev->watchdog_timeo = TX_TIMEOUT;
9153 dev->netdev_ops = &bnx2x_netdev_ops;
9154 bnx2x_set_ethtool_ops(dev);
9155 dev->features |= NETIF_F_SG;
9156 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
9157 if (bp->flags & USING_DAC_FLAG)
9158 dev->features |= NETIF_F_HIGHDMA;
9159 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9160 dev->features |= NETIF_F_TSO6;
9161 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
9163 dev->vlan_features |= NETIF_F_SG;
9164 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
9165 if (bp->flags & USING_DAC_FLAG)
9166 dev->vlan_features |= NETIF_F_HIGHDMA;
9167 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9168 dev->vlan_features |= NETIF_F_TSO6;
9171 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9174 /* get_port_hwinfo() will set prtad and mmds properly */
9175 bp->mdio.prtad = MDIO_PRTAD_NONE;
9177 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9179 bp->mdio.mdio_read = bnx2x_mdio_read;
9180 bp->mdio.mdio_write = bnx2x_mdio_write;
9186 iounmap(bp->regview);
9189 if (bp->doorbells) {
9190 iounmap(bp->doorbells);
9191 bp->doorbells = NULL;
9195 if (atomic_read(&pdev->enable_cnt) == 1)
9196 pci_release_regions(pdev);
9199 pci_disable_device(pdev);
9200 pci_set_drvdata(pdev, NULL);
9206 static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9207 int *width, int *speed)
9209 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9211 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9213 /* return value of 1=2.5GHz 2=5GHz */
9214 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
9217 static int bnx2x_check_firmware(struct bnx2x *bp)
9219 const struct firmware *firmware = bp->firmware;
9220 struct bnx2x_fw_file_hdr *fw_hdr;
9221 struct bnx2x_fw_file_section *sections;
9222 u32 offset, len, num_ops;
9227 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9230 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9231 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9233 /* Make sure none of the offsets and sizes make us read beyond
9234 * the end of the firmware data */
9235 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9236 offset = be32_to_cpu(sections[i].offset);
9237 len = be32_to_cpu(sections[i].len);
9238 if (offset + len > firmware->size) {
9239 dev_err(&bp->pdev->dev,
9240 "Section %d length is out of bounds\n", i);
9245 /* Likewise for the init_ops offsets */
9246 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9247 ops_offsets = (u16 *)(firmware->data + offset);
9248 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9250 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9251 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
9252 dev_err(&bp->pdev->dev,
9253 "Section offset %d is out of bounds\n", i);
9258 /* Check FW version */
9259 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9260 fw_ver = firmware->data + offset;
9261 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9262 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9263 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9264 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
9265 dev_err(&bp->pdev->dev,
9266 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
9267 fw_ver[0], fw_ver[1], fw_ver[2],
9268 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9269 BCM_5710_FW_MINOR_VERSION,
9270 BCM_5710_FW_REVISION_VERSION,
9271 BCM_5710_FW_ENGINEERING_VERSION);
9278 static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9280 const __be32 *source = (const __be32 *)_source;
9281 u32 *target = (u32 *)_target;
9284 for (i = 0; i < n/4; i++)
9285 target[i] = be32_to_cpu(source[i]);
9289 Ops array is stored in the following format:
9290 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9292 static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
9294 const __be32 *source = (const __be32 *)_source;
9295 struct raw_op *target = (struct raw_op *)_target;
9298 for (i = 0, j = 0; i < n/8; i++, j += 2) {
9299 tmp = be32_to_cpu(source[j]);
9300 target[i].op = (tmp >> 24) & 0xff;
9301 target[i].offset = tmp & 0xffffff;
9302 target[i].raw_data = be32_to_cpu(source[j + 1]);
9307 * IRO array is stored in the following format:
9308 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9310 static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9312 const __be32 *source = (const __be32 *)_source;
9313 struct iro *target = (struct iro *)_target;
9316 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9317 target[i].base = be32_to_cpu(source[j]);
9319 tmp = be32_to_cpu(source[j]);
9320 target[i].m1 = (tmp >> 16) & 0xffff;
9321 target[i].m2 = tmp & 0xffff;
9323 tmp = be32_to_cpu(source[j]);
9324 target[i].m3 = (tmp >> 16) & 0xffff;
9325 target[i].size = tmp & 0xffff;
9330 static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9332 const __be16 *source = (const __be16 *)_source;
9333 u16 *target = (u16 *)_target;
9336 for (i = 0; i < n/2; i++)
9337 target[i] = be16_to_cpu(source[i]);
9340 #define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9342 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9343 bp->arr = kmalloc(len, GFP_KERNEL); \
9345 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9348 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9349 (u8 *)bp->arr, len); \
9352 int bnx2x_init_firmware(struct bnx2x *bp)
9354 const char *fw_file_name;
9355 struct bnx2x_fw_file_hdr *fw_hdr;
9359 fw_file_name = FW_FILE_NAME_E1;
9360 else if (CHIP_IS_E1H(bp))
9361 fw_file_name = FW_FILE_NAME_E1H;
9362 else if (CHIP_IS_E2(bp))
9363 fw_file_name = FW_FILE_NAME_E2;
9365 BNX2X_ERR("Unsupported chip revision\n");
9369 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
9371 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
9373 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
9374 goto request_firmware_exit;
9377 rc = bnx2x_check_firmware(bp);
9379 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
9380 goto request_firmware_exit;
9383 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9385 /* Initialize the pointers to the init arrays */
9387 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9390 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9393 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9396 /* STORMs firmware */
9397 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9398 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9399 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9400 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9401 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9402 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9403 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9404 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9405 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9406 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9407 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9408 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9409 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9410 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9411 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9412 be32_to_cpu(fw_hdr->csem_pram_data.offset);
9414 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
9419 kfree(bp->init_ops_offsets);
9420 init_offsets_alloc_err:
9421 kfree(bp->init_ops);
9423 kfree(bp->init_data);
9424 request_firmware_exit:
9425 release_firmware(bp->firmware);
9430 static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9432 int cid_count = L2_FP_COUNT(l2_cid_count);
9435 cid_count += CNIC_CID_MAX;
9437 return roundup(cid_count, QM_CID_ROUND);
9440 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9441 const struct pci_device_id *ent)
9443 struct net_device *dev = NULL;
9445 int pcie_width, pcie_speed;
9448 switch (ent->driver_data) {
9452 cid_count = FP_SB_MAX_E1x;
9457 cid_count = FP_SB_MAX_E2;
9461 pr_err("Unknown board_type (%ld), aborting\n",
9466 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
9468 /* dev zeroed in init_etherdev */
9469 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
9471 dev_err(&pdev->dev, "Cannot allocate net device\n");
9475 bp = netdev_priv(dev);
9476 bp->msg_enable = debug;
9478 pci_set_drvdata(pdev, dev);
9480 bp->l2_cid_count = cid_count;
9482 rc = bnx2x_init_dev(pdev, dev);
9488 rc = bnx2x_init_bp(bp);
9492 /* calc qm_cid_count */
9493 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9496 /* disable FCOE L2 queue for E1x*/
9497 if (CHIP_IS_E1x(bp))
9498 bp->flags |= NO_FCOE_FLAG;
9502 /* Configure interupt mode: try to enable MSI-X/MSI if
9503 * needed, set bp->num_queues appropriately.
9505 bnx2x_set_int_mode(bp);
9507 /* Add all NAPI objects */
9508 bnx2x_add_all_napi(bp);
9510 rc = register_netdev(dev);
9512 dev_err(&pdev->dev, "Cannot register net device\n");
9518 /* Add storage MAC address */
9520 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9525 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
9527 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9528 " IRQ %d, ", board_info[ent->driver_data].name,
9529 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
9531 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9532 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9533 "5GHz (Gen2)" : "2.5GHz",
9534 dev->base_addr, bp->pdev->irq);
9535 pr_cont("node addr %pM\n", dev->dev_addr);
9541 iounmap(bp->regview);
9544 iounmap(bp->doorbells);
9548 if (atomic_read(&pdev->enable_cnt) == 1)
9549 pci_release_regions(pdev);
9551 pci_disable_device(pdev);
9552 pci_set_drvdata(pdev, NULL);
9557 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9559 struct net_device *dev = pci_get_drvdata(pdev);
9563 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9566 bp = netdev_priv(dev);
9569 /* Delete storage MAC address */
9572 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9577 unregister_netdev(dev);
9579 /* Delete all NAPI objects */
9580 bnx2x_del_all_napi(bp);
9582 /* Power on: we can't let PCI layer write to us while we are in D3 */
9583 bnx2x_set_power_state(bp, PCI_D0);
9585 /* Disable MSI/MSI-X */
9586 bnx2x_disable_msi(bp);
9589 bnx2x_set_power_state(bp, PCI_D3hot);
9591 /* Make sure RESET task is not scheduled before continuing */
9592 cancel_delayed_work_sync(&bp->reset_task);
9595 iounmap(bp->regview);
9598 iounmap(bp->doorbells);
9600 bnx2x_free_mem_bp(bp);
9604 if (atomic_read(&pdev->enable_cnt) == 1)
9605 pci_release_regions(pdev);
9607 pci_disable_device(pdev);
9608 pci_set_drvdata(pdev, NULL);
9611 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9615 bp->state = BNX2X_STATE_ERROR;
9617 bp->rx_mode = BNX2X_RX_MODE_NONE;
9619 bnx2x_netif_stop(bp, 0);
9620 netif_carrier_off(bp->dev);
9622 del_timer_sync(&bp->timer);
9623 bp->stats_state = STATS_STATE_DISABLED;
9624 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9629 /* Free SKBs, SGEs, TPA pool and driver internals */
9630 bnx2x_free_skbs(bp);
9632 for_each_rx_queue(bp, i)
9633 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9637 bp->state = BNX2X_STATE_CLOSED;
9642 static void bnx2x_eeh_recover(struct bnx2x *bp)
9646 mutex_init(&bp->port.phy_mutex);
9648 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9649 bp->link_params.shmem_base = bp->common.shmem_base;
9650 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9652 if (!bp->common.shmem_base ||
9653 (bp->common.shmem_base < 0xA0000) ||
9654 (bp->common.shmem_base >= 0xC0000)) {
9655 BNX2X_DEV_INFO("MCP not active\n");
9656 bp->flags |= NO_MCP_FLAG;
9660 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9661 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9662 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9663 BNX2X_ERR("BAD MCP validity signature\n");
9665 if (!BP_NOMCP(bp)) {
9667 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9668 DRV_MSG_SEQ_NUMBER_MASK);
9669 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9674 * bnx2x_io_error_detected - called when PCI error is detected
9675 * @pdev: Pointer to PCI device
9676 * @state: The current pci connection state
9678 * This function is called after a PCI bus error affecting
9679 * this device has been detected.
9681 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9682 pci_channel_state_t state)
9684 struct net_device *dev = pci_get_drvdata(pdev);
9685 struct bnx2x *bp = netdev_priv(dev);
9689 netif_device_detach(dev);
9691 if (state == pci_channel_io_perm_failure) {
9693 return PCI_ERS_RESULT_DISCONNECT;
9696 if (netif_running(dev))
9697 bnx2x_eeh_nic_unload(bp);
9699 pci_disable_device(pdev);
9703 /* Request a slot reset */
9704 return PCI_ERS_RESULT_NEED_RESET;
9708 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9709 * @pdev: Pointer to PCI device
9711 * Restart the card from scratch, as if from a cold-boot.
9713 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9715 struct net_device *dev = pci_get_drvdata(pdev);
9716 struct bnx2x *bp = netdev_priv(dev);
9720 if (pci_enable_device(pdev)) {
9722 "Cannot re-enable PCI device after reset\n");
9724 return PCI_ERS_RESULT_DISCONNECT;
9727 pci_set_master(pdev);
9728 pci_restore_state(pdev);
9730 if (netif_running(dev))
9731 bnx2x_set_power_state(bp, PCI_D0);
9735 return PCI_ERS_RESULT_RECOVERED;
9739 * bnx2x_io_resume - called when traffic can start flowing again
9740 * @pdev: Pointer to PCI device
9742 * This callback is called when the error recovery driver tells us that
9743 * its OK to resume normal operation.
9745 static void bnx2x_io_resume(struct pci_dev *pdev)
9747 struct net_device *dev = pci_get_drvdata(pdev);
9748 struct bnx2x *bp = netdev_priv(dev);
9750 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
9751 printk(KERN_ERR "Handling parity error recovery. "
9752 "Try again later\n");
9758 bnx2x_eeh_recover(bp);
9760 if (netif_running(dev))
9761 bnx2x_nic_load(bp, LOAD_NORMAL);
9763 netif_device_attach(dev);
9768 static struct pci_error_handlers bnx2x_err_handler = {
9769 .error_detected = bnx2x_io_error_detected,
9770 .slot_reset = bnx2x_io_slot_reset,
9771 .resume = bnx2x_io_resume,
9774 static struct pci_driver bnx2x_pci_driver = {
9775 .name = DRV_MODULE_NAME,
9776 .id_table = bnx2x_pci_tbl,
9777 .probe = bnx2x_init_one,
9778 .remove = __devexit_p(bnx2x_remove_one),
9779 .suspend = bnx2x_suspend,
9780 .resume = bnx2x_resume,
9781 .err_handler = &bnx2x_err_handler,
9784 static int __init bnx2x_init(void)
9788 pr_info("%s", version);
9790 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9791 if (bnx2x_wq == NULL) {
9792 pr_err("Cannot create workqueue\n");
9796 ret = pci_register_driver(&bnx2x_pci_driver);
9798 pr_err("Cannot register driver\n");
9799 destroy_workqueue(bnx2x_wq);
9804 static void __exit bnx2x_cleanup(void)
9806 pci_unregister_driver(&bnx2x_pci_driver);
9808 destroy_workqueue(bnx2x_wq);
9811 module_init(bnx2x_init);
9812 module_exit(bnx2x_cleanup);
9816 /* count denotes the number of new completions we have seen */
9817 static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9819 struct eth_spe *spe;
9821 #ifdef BNX2X_STOP_ON_ERROR
9822 if (unlikely(bp->panic))
9826 spin_lock_bh(&bp->spq_lock);
9827 BUG_ON(bp->cnic_spq_pending < count);
9828 bp->cnic_spq_pending -= count;
9831 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9832 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9833 & SPE_HDR_CONN_TYPE) >>
9834 SPE_HDR_CONN_TYPE_SHIFT;
9836 /* Set validation for iSCSI L2 client before sending SETUP
9839 if (type == ETH_CONNECTION_TYPE) {
9840 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9841 hdr.conn_and_cmd_data) >>
9842 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9844 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9845 bnx2x_set_ctx_validation(&bp->context.
9846 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9847 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9850 /* There may be not more than 8 L2 and COMMON SPEs and not more
9851 * than 8 L5 SPEs in the air.
9853 if ((type == NONE_CONNECTION_TYPE) ||
9854 (type == ETH_CONNECTION_TYPE)) {
9855 if (!atomic_read(&bp->spq_left))
9858 atomic_dec(&bp->spq_left);
9859 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9860 (type == FCOE_CONNECTION_TYPE)) {
9861 if (bp->cnic_spq_pending >=
9862 bp->cnic_eth_dev.max_kwqe_pending)
9865 bp->cnic_spq_pending++;
9867 BNX2X_ERR("Unknown SPE type: %d\n", type);
9872 spe = bnx2x_sp_get_next(bp);
9873 *spe = *bp->cnic_kwq_cons;
9875 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9876 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9878 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9879 bp->cnic_kwq_cons = bp->cnic_kwq;
9881 bp->cnic_kwq_cons++;
9883 bnx2x_sp_prod_update(bp);
9884 spin_unlock_bh(&bp->spq_lock);
9887 static int bnx2x_cnic_sp_queue(struct net_device *dev,
9888 struct kwqe_16 *kwqes[], u32 count)
9890 struct bnx2x *bp = netdev_priv(dev);
9893 #ifdef BNX2X_STOP_ON_ERROR
9894 if (unlikely(bp->panic))
9898 spin_lock_bh(&bp->spq_lock);
9900 for (i = 0; i < count; i++) {
9901 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9903 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9906 *bp->cnic_kwq_prod = *spe;
9908 bp->cnic_kwq_pending++;
9910 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9911 spe->hdr.conn_and_cmd_data, spe->hdr.type,
9912 spe->data.update_data_addr.hi,
9913 spe->data.update_data_addr.lo,
9914 bp->cnic_kwq_pending);
9916 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9917 bp->cnic_kwq_prod = bp->cnic_kwq;
9919 bp->cnic_kwq_prod++;
9922 spin_unlock_bh(&bp->spq_lock);
9924 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9925 bnx2x_cnic_sp_post(bp, 0);
9930 static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9932 struct cnic_ops *c_ops;
9935 mutex_lock(&bp->cnic_mutex);
9936 c_ops = rcu_dereference_protected(bp->cnic_ops,
9937 lockdep_is_held(&bp->cnic_mutex));
9939 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9940 mutex_unlock(&bp->cnic_mutex);
9945 static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9947 struct cnic_ops *c_ops;
9951 c_ops = rcu_dereference(bp->cnic_ops);
9953 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9960 * for commands that have no data
9962 int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
9964 struct cnic_ctl_info ctl = {0};
9968 return bnx2x_cnic_ctl_send(bp, &ctl);
9971 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9973 struct cnic_ctl_info ctl;
9975 /* first we tell CNIC and only then we count this as a completion */
9976 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9977 ctl.data.comp.cid = cid;
9979 bnx2x_cnic_ctl_send_bh(bp, &ctl);
9980 bnx2x_cnic_sp_post(bp, 0);
9983 static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9985 struct bnx2x *bp = netdev_priv(dev);
9989 case DRV_CTL_CTXTBL_WR_CMD: {
9990 u32 index = ctl->data.io.offset;
9991 dma_addr_t addr = ctl->data.io.dma_addr;
9993 bnx2x_ilt_wr(bp, index, addr);
9997 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
9998 int count = ctl->data.credit.credit_count;
10000 bnx2x_cnic_sp_post(bp, count);
10004 /* rtnl_lock is held. */
10005 case DRV_CTL_START_L2_CMD: {
10006 u32 cli = ctl->data.ring.client_id;
10008 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10009 bnx2x_del_fcoe_eth_macs(bp);
10011 /* Set iSCSI MAC address */
10012 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10017 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10018 * because it's the only way for UIO Client to accept
10019 * multicasts (in non-promiscuous mode only one Client per
10020 * function will receive multicast packets (leading in our
10023 bnx2x_rxq_set_mac_filters(bp, cli,
10024 BNX2X_ACCEPT_UNICAST |
10025 BNX2X_ACCEPT_BROADCAST |
10026 BNX2X_ACCEPT_ALL_MULTICAST);
10027 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10032 /* rtnl_lock is held. */
10033 case DRV_CTL_STOP_L2_CMD: {
10034 u32 cli = ctl->data.ring.client_id;
10036 /* Stop accepting on iSCSI L2 ring */
10037 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10038 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10043 /* Unset iSCSI L2 MAC */
10044 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
10047 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10048 int count = ctl->data.credit.credit_count;
10050 smp_mb__before_atomic_inc();
10051 atomic_add(count, &bp->spq_left);
10052 smp_mb__after_atomic_inc();
10057 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10064 void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
10066 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10068 if (bp->flags & USING_MSIX_FLAG) {
10069 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10070 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10071 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10073 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10074 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10076 if (CHIP_IS_E2(bp))
10077 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10079 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10081 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
10082 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
10083 cp->irq_arr[1].status_blk = bp->def_status_blk;
10084 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
10085 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
10090 static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10093 struct bnx2x *bp = netdev_priv(dev);
10094 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10099 if (atomic_read(&bp->intr_sem) != 0)
10102 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10106 bp->cnic_kwq_cons = bp->cnic_kwq;
10107 bp->cnic_kwq_prod = bp->cnic_kwq;
10108 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10110 bp->cnic_spq_pending = 0;
10111 bp->cnic_kwq_pending = 0;
10113 bp->cnic_data = data;
10116 cp->drv_state = CNIC_DRV_STATE_REGD;
10117 cp->iro_arr = bp->iro_arr;
10119 bnx2x_setup_cnic_irq_info(bp);
10121 rcu_assign_pointer(bp->cnic_ops, ops);
10126 static int bnx2x_unregister_cnic(struct net_device *dev)
10128 struct bnx2x *bp = netdev_priv(dev);
10129 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10131 mutex_lock(&bp->cnic_mutex);
10133 rcu_assign_pointer(bp->cnic_ops, NULL);
10134 mutex_unlock(&bp->cnic_mutex);
10136 kfree(bp->cnic_kwq);
10137 bp->cnic_kwq = NULL;
10142 struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10144 struct bnx2x *bp = netdev_priv(dev);
10145 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10147 /* If both iSCSI and FCoE are disabled - return NULL in
10148 * order to indicate CNIC that it should not try to work
10149 * with this device.
10151 if (NO_ISCSI(bp) && NO_FCOE(bp))
10154 cp->drv_owner = THIS_MODULE;
10155 cp->chip_id = CHIP_ID(bp);
10156 cp->pdev = bp->pdev;
10157 cp->io_base = bp->regview;
10158 cp->io_base2 = bp->doorbells;
10159 cp->max_kwqe_pending = 8;
10160 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
10161 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10162 bnx2x_cid_ilt_lines(bp);
10163 cp->ctx_tbl_len = CNIC_ILT_LINES;
10164 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
10165 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10166 cp->drv_ctl = bnx2x_drv_ctl;
10167 cp->drv_register_cnic = bnx2x_register_cnic;
10168 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
10169 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10170 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10171 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
10172 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
10174 if (NO_ISCSI_OOO(bp))
10175 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10178 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10181 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10183 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10184 "starting cid %d\n",
10186 cp->ctx_tbl_offset,
10191 EXPORT_SYMBOL(bnx2x_cnic_probe);
10193 #endif /* BCM_CNIC */