1 /* bnx2x_main.c: Broadcom Everest network driver.
3 * Copyright (c) 2007-2011 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 static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
149 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
157 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
159 /****************************************************************************
160 * General service functions
161 ****************************************************************************/
163 static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
164 u32 addr, dma_addr_t mapping)
166 REG_WR(bp, addr, U64_LO(mapping));
167 REG_WR(bp, addr + 4, U64_HI(mapping));
170 static inline void __storm_memset_fill(struct bnx2x *bp,
171 u32 addr, size_t size, u32 val)
174 for (i = 0; i < size/4; i++)
175 REG_WR(bp, addr + (i * 4), val);
178 static inline void storm_memset_ustats_zero(struct bnx2x *bp,
179 u8 port, u16 stat_id)
181 size_t size = sizeof(struct ustorm_per_client_stats);
183 u32 addr = BAR_USTRORM_INTMEM +
184 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
186 __storm_memset_fill(bp, addr, size, 0);
189 static inline void storm_memset_tstats_zero(struct bnx2x *bp,
190 u8 port, u16 stat_id)
192 size_t size = sizeof(struct tstorm_per_client_stats);
194 u32 addr = BAR_TSTRORM_INTMEM +
195 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
197 __storm_memset_fill(bp, addr, size, 0);
200 static inline void storm_memset_xstats_zero(struct bnx2x *bp,
201 u8 port, u16 stat_id)
203 size_t size = sizeof(struct xstorm_per_client_stats);
205 u32 addr = BAR_XSTRORM_INTMEM +
206 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
208 __storm_memset_fill(bp, addr, size, 0);
212 static inline void storm_memset_spq_addr(struct bnx2x *bp,
213 dma_addr_t mapping, u16 abs_fid)
215 u32 addr = XSEM_REG_FAST_MEMORY +
216 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
218 __storm_memset_dma_mapping(bp, addr, mapping);
221 static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
223 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
226 static inline void storm_memset_func_cfg(struct bnx2x *bp,
227 struct tstorm_eth_function_common_config *tcfg,
230 size_t size = sizeof(struct tstorm_eth_function_common_config);
232 u32 addr = BAR_TSTRORM_INTMEM +
233 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
235 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
238 static inline void storm_memset_xstats_flags(struct bnx2x *bp,
239 struct stats_indication_flags *flags,
242 size_t size = sizeof(struct stats_indication_flags);
244 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
246 __storm_memset_struct(bp, addr, size, (u32 *)flags);
249 static inline void storm_memset_tstats_flags(struct bnx2x *bp,
250 struct stats_indication_flags *flags,
253 size_t size = sizeof(struct stats_indication_flags);
255 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
257 __storm_memset_struct(bp, addr, size, (u32 *)flags);
260 static inline void storm_memset_ustats_flags(struct bnx2x *bp,
261 struct stats_indication_flags *flags,
264 size_t size = sizeof(struct stats_indication_flags);
266 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
268 __storm_memset_struct(bp, addr, size, (u32 *)flags);
271 static inline void storm_memset_cstats_flags(struct bnx2x *bp,
272 struct stats_indication_flags *flags,
275 size_t size = sizeof(struct stats_indication_flags);
277 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
279 __storm_memset_struct(bp, addr, size, (u32 *)flags);
282 static inline void storm_memset_xstats_addr(struct bnx2x *bp,
283 dma_addr_t mapping, u16 abs_fid)
285 u32 addr = BAR_XSTRORM_INTMEM +
286 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
288 __storm_memset_dma_mapping(bp, addr, mapping);
291 static inline void storm_memset_tstats_addr(struct bnx2x *bp,
292 dma_addr_t mapping, u16 abs_fid)
294 u32 addr = BAR_TSTRORM_INTMEM +
295 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
297 __storm_memset_dma_mapping(bp, addr, mapping);
300 static inline void storm_memset_ustats_addr(struct bnx2x *bp,
301 dma_addr_t mapping, u16 abs_fid)
303 u32 addr = BAR_USTRORM_INTMEM +
304 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
306 __storm_memset_dma_mapping(bp, addr, mapping);
309 static inline void storm_memset_cstats_addr(struct bnx2x *bp,
310 dma_addr_t mapping, u16 abs_fid)
312 u32 addr = BAR_CSTRORM_INTMEM +
313 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
315 __storm_memset_dma_mapping(bp, addr, mapping);
318 static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
321 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
323 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
325 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
327 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
331 static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
334 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
336 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
338 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
340 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
344 static inline void storm_memset_eq_data(struct bnx2x *bp,
345 struct event_ring_data *eq_data,
348 size_t size = sizeof(struct event_ring_data);
350 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
352 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
355 static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
358 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
359 REG_WR16(bp, addr, eq_prod);
362 static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
363 u16 fw_sb_id, u8 sb_index,
367 int index_offset = CHIP_IS_E2(bp) ?
368 offsetof(struct hc_status_block_data_e2, index_data) :
369 offsetof(struct hc_status_block_data_e1x, index_data);
370 u32 addr = BAR_CSTRORM_INTMEM +
371 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
373 sizeof(struct hc_index_data)*sb_index +
374 offsetof(struct hc_index_data, timeout);
375 REG_WR8(bp, addr, ticks);
376 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
377 port, fw_sb_id, sb_index, ticks);
379 static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
380 u16 fw_sb_id, u8 sb_index,
383 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
384 int index_offset = CHIP_IS_E2(bp) ?
385 offsetof(struct hc_status_block_data_e2, index_data) :
386 offsetof(struct hc_status_block_data_e1x, index_data);
387 u32 addr = BAR_CSTRORM_INTMEM +
388 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
390 sizeof(struct hc_index_data)*sb_index +
391 offsetof(struct hc_index_data, flags);
392 u16 flags = REG_RD16(bp, addr);
394 flags &= ~HC_INDEX_DATA_HC_ENABLED;
395 flags |= enable_flag;
396 REG_WR16(bp, addr, flags);
397 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
398 port, fw_sb_id, sb_index, disable);
402 * locking is done by mcp
404 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
409 PCICFG_VENDOR_ID_OFFSET);
412 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
416 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
417 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
418 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
419 PCICFG_VENDOR_ID_OFFSET);
424 #define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
425 #define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
426 #define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
427 #define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
428 #define DMAE_DP_DST_NONE "dst_addr [none]"
430 static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
433 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
435 switch (dmae->opcode & DMAE_COMMAND_DST) {
436 case DMAE_CMD_DST_PCI:
437 if (src_type == DMAE_CMD_SRC_PCI)
438 DP(msglvl, "DMAE: opcode 0x%08x\n"
439 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
440 "comp_addr [%x:%08x], comp_val 0x%08x\n",
441 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
442 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
443 dmae->comp_addr_hi, dmae->comp_addr_lo,
446 DP(msglvl, "DMAE: opcode 0x%08x\n"
447 "src [%08x], len [%d*4], dst [%x:%08x]\n"
448 "comp_addr [%x:%08x], comp_val 0x%08x\n",
449 dmae->opcode, dmae->src_addr_lo >> 2,
450 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
451 dmae->comp_addr_hi, dmae->comp_addr_lo,
454 case DMAE_CMD_DST_GRC:
455 if (src_type == DMAE_CMD_SRC_PCI)
456 DP(msglvl, "DMAE: opcode 0x%08x\n"
457 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
458 "comp_addr [%x:%08x], comp_val 0x%08x\n",
459 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
460 dmae->len, dmae->dst_addr_lo >> 2,
461 dmae->comp_addr_hi, dmae->comp_addr_lo,
464 DP(msglvl, "DMAE: opcode 0x%08x\n"
465 "src [%08x], len [%d*4], dst [%08x]\n"
466 "comp_addr [%x:%08x], comp_val 0x%08x\n",
467 dmae->opcode, dmae->src_addr_lo >> 2,
468 dmae->len, dmae->dst_addr_lo >> 2,
469 dmae->comp_addr_hi, dmae->comp_addr_lo,
473 if (src_type == DMAE_CMD_SRC_PCI)
474 DP(msglvl, "DMAE: opcode 0x%08x\n"
475 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
477 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
478 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
479 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
482 DP(msglvl, "DMAE: opcode 0x%08x\n"
483 DP_LEVEL "src_addr [%08x] len [%d * 4] "
485 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
486 dmae->opcode, dmae->src_addr_lo >> 2,
487 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
494 const u32 dmae_reg_go_c[] = {
495 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
496 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
497 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
498 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
501 /* copy command into DMAE command memory and set DMAE command go */
502 void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
507 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
508 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
509 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
511 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
512 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
514 REG_WR(bp, dmae_reg_go_c[idx], 1);
517 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
519 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
523 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
525 return opcode & ~DMAE_CMD_SRC_RESET;
528 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
529 bool with_comp, u8 comp_type)
533 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
534 (dst_type << DMAE_COMMAND_DST_SHIFT));
536 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
538 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
539 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
540 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
541 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
544 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
546 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
549 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
553 static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
554 struct dmae_command *dmae,
555 u8 src_type, u8 dst_type)
557 memset(dmae, 0, sizeof(struct dmae_command));
560 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
561 true, DMAE_COMP_PCI);
563 /* fill in the completion parameters */
564 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
565 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_val = DMAE_COMP_VAL;
569 /* issue a dmae command over the init-channel and wailt for completion */
570 static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
571 struct dmae_command *dmae)
573 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
574 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
577 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
578 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
579 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
581 /* lock the dmae channel */
582 spin_lock_bh(&bp->dmae_lock);
584 /* reset completion */
587 /* post the command on the channel used for initializations */
588 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
590 /* wait for completion */
592 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
593 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
596 BNX2X_ERR("DMAE timeout!\n");
603 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
604 BNX2X_ERR("DMAE PCI error!\n");
608 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
609 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
610 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
613 spin_unlock_bh(&bp->dmae_lock);
617 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
620 struct dmae_command dmae;
622 if (!bp->dmae_ready) {
623 u32 *data = bnx2x_sp(bp, wb_data[0]);
625 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
626 " using indirect\n", dst_addr, len32);
627 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
631 /* set opcode and fixed command fields */
632 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
634 /* fill in addresses and len */
635 dmae.src_addr_lo = U64_LO(dma_addr);
636 dmae.src_addr_hi = U64_HI(dma_addr);
637 dmae.dst_addr_lo = dst_addr >> 2;
638 dmae.dst_addr_hi = 0;
641 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
643 /* issue the command and wait for completion */
644 bnx2x_issue_dmae_with_comp(bp, &dmae);
647 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
649 struct dmae_command dmae;
651 if (!bp->dmae_ready) {
652 u32 *data = bnx2x_sp(bp, wb_data[0]);
655 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
656 " using indirect\n", src_addr, len32);
657 for (i = 0; i < len32; i++)
658 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
662 /* set opcode and fixed command fields */
663 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
665 /* fill in addresses and len */
666 dmae.src_addr_lo = src_addr >> 2;
667 dmae.src_addr_hi = 0;
668 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
669 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
672 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
674 /* issue the command and wait for completion */
675 bnx2x_issue_dmae_with_comp(bp, &dmae);
678 static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
681 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
684 while (len > dmae_wr_max) {
685 bnx2x_write_dmae(bp, phys_addr + offset,
686 addr + offset, dmae_wr_max);
687 offset += dmae_wr_max * 4;
691 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
694 /* used only for slowpath so not inlined */
695 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
699 wb_write[0] = val_hi;
700 wb_write[1] = val_lo;
701 REG_WR_DMAE(bp, reg, wb_write, 2);
705 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
709 REG_RD_DMAE(bp, reg, wb_data, 2);
711 return HILO_U64(wb_data[0], wb_data[1]);
715 static int bnx2x_mc_assert(struct bnx2x *bp)
719 u32 row0, row1, row2, row3;
722 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
723 XSTORM_ASSERT_LIST_INDEX_OFFSET);
725 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
727 /* print the asserts */
728 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
730 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
731 XSTORM_ASSERT_LIST_OFFSET(i));
732 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
733 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
734 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
735 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
736 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
737 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
739 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
740 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
741 " 0x%08x 0x%08x 0x%08x\n",
742 i, row3, row2, row1, row0);
750 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
751 TSTORM_ASSERT_LIST_INDEX_OFFSET);
753 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
755 /* print the asserts */
756 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
758 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
759 TSTORM_ASSERT_LIST_OFFSET(i));
760 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
761 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
762 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
763 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
764 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
765 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
767 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
768 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
769 " 0x%08x 0x%08x 0x%08x\n",
770 i, row3, row2, row1, row0);
778 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
779 CSTORM_ASSERT_LIST_INDEX_OFFSET);
781 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
783 /* print the asserts */
784 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
786 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
787 CSTORM_ASSERT_LIST_OFFSET(i));
788 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
789 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
790 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
791 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
792 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
793 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
795 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
796 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
797 " 0x%08x 0x%08x 0x%08x\n",
798 i, row3, row2, row1, row0);
806 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
807 USTORM_ASSERT_LIST_INDEX_OFFSET);
809 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
811 /* print the asserts */
812 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
814 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
815 USTORM_ASSERT_LIST_OFFSET(i));
816 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
817 USTORM_ASSERT_LIST_OFFSET(i) + 4);
818 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
819 USTORM_ASSERT_LIST_OFFSET(i) + 8);
820 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
821 USTORM_ASSERT_LIST_OFFSET(i) + 12);
823 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
824 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
825 " 0x%08x 0x%08x 0x%08x\n",
826 i, row3, row2, row1, row0);
836 void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
842 u32 trace_shmem_base;
844 BNX2X_ERR("NO MCP - can not dump\n");
847 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
848 (bp->common.bc_ver & 0xff0000) >> 16,
849 (bp->common.bc_ver & 0xff00) >> 8,
850 (bp->common.bc_ver & 0xff));
852 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
853 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
854 printk("%s" "MCP PC at 0x%x\n", lvl, val);
856 if (BP_PATH(bp) == 0)
857 trace_shmem_base = bp->common.shmem_base;
859 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
860 addr = trace_shmem_base - 0x0800 + 4;
861 mark = REG_RD(bp, addr);
862 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
863 + ((mark + 0x3) & ~0x3) - 0x08000000;
864 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
867 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
868 for (word = 0; word < 8; word++)
869 data[word] = htonl(REG_RD(bp, offset + 4*word));
871 pr_cont("%s", (char *)data);
873 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
874 for (word = 0; word < 8; word++)
875 data[word] = htonl(REG_RD(bp, offset + 4*word));
877 pr_cont("%s", (char *)data);
879 printk("%s" "end of fw dump\n", lvl);
882 static inline void bnx2x_fw_dump(struct bnx2x *bp)
884 bnx2x_fw_dump_lvl(bp, KERN_ERR);
887 void bnx2x_panic_dump(struct bnx2x *bp)
891 struct hc_sp_status_block_data sp_sb_data;
892 int func = BP_FUNC(bp);
893 #ifdef BNX2X_STOP_ON_ERROR
894 u16 start = 0, end = 0;
897 bp->stats_state = STATS_STATE_DISABLED;
898 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
900 BNX2X_ERR("begin crash dump -----------------\n");
904 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
905 " spq_prod_idx(0x%x)\n",
906 bp->def_idx, bp->def_att_idx,
907 bp->attn_state, bp->spq_prod_idx);
908 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
909 bp->def_status_blk->atten_status_block.attn_bits,
910 bp->def_status_blk->atten_status_block.attn_bits_ack,
911 bp->def_status_blk->atten_status_block.status_block_id,
912 bp->def_status_blk->atten_status_block.attn_bits_index);
914 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
916 bp->def_status_blk->sp_sb.index_values[i],
917 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
919 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
920 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
921 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
924 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
925 "pf_id(0x%x) vnic_id(0x%x) "
926 "vf_id(0x%x) vf_valid (0x%x)\n",
927 sp_sb_data.igu_sb_id,
928 sp_sb_data.igu_seg_id,
929 sp_sb_data.p_func.pf_id,
930 sp_sb_data.p_func.vnic_id,
931 sp_sb_data.p_func.vf_id,
932 sp_sb_data.p_func.vf_valid);
935 for_each_eth_queue(bp, i) {
936 struct bnx2x_fastpath *fp = &bp->fp[i];
938 struct hc_status_block_data_e2 sb_data_e2;
939 struct hc_status_block_data_e1x sb_data_e1x;
940 struct hc_status_block_sm *hc_sm_p =
942 sb_data_e2.common.state_machine :
943 sb_data_e1x.common.state_machine;
944 struct hc_index_data *hc_index_p =
946 sb_data_e2.index_data :
947 sb_data_e1x.index_data;
952 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
953 " rx_comp_prod(0x%x)"
954 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
955 i, fp->rx_bd_prod, fp->rx_bd_cons,
957 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
958 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
959 " fp_hc_idx(0x%x)\n",
960 fp->rx_sge_prod, fp->last_max_sge,
961 le16_to_cpu(fp->fp_hc_idx));
964 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
965 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
966 " *tx_cons_sb(0x%x)\n",
967 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
968 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
970 loop = CHIP_IS_E2(bp) ?
971 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
979 BNX2X_ERR(" run indexes (");
980 for (j = 0; j < HC_SB_MAX_SM; j++)
982 fp->sb_running_index[j],
983 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
985 BNX2X_ERR(" indexes (");
986 for (j = 0; j < loop; j++)
988 fp->sb_index_values[j],
989 (j == loop - 1) ? ")" : " ");
991 data_size = CHIP_IS_E2(bp) ?
992 sizeof(struct hc_status_block_data_e2) :
993 sizeof(struct hc_status_block_data_e1x);
994 data_size /= sizeof(u32);
995 sb_data_p = CHIP_IS_E2(bp) ?
998 /* copy sb data in here */
999 for (j = 0; j < data_size; j++)
1000 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
1001 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
1004 if (CHIP_IS_E2(bp)) {
1005 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1006 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1007 sb_data_e2.common.p_func.pf_id,
1008 sb_data_e2.common.p_func.vf_id,
1009 sb_data_e2.common.p_func.vf_valid,
1010 sb_data_e2.common.p_func.vnic_id,
1011 sb_data_e2.common.same_igu_sb_1b);
1013 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1014 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1015 sb_data_e1x.common.p_func.pf_id,
1016 sb_data_e1x.common.p_func.vf_id,
1017 sb_data_e1x.common.p_func.vf_valid,
1018 sb_data_e1x.common.p_func.vnic_id,
1019 sb_data_e1x.common.same_igu_sb_1b);
1023 for (j = 0; j < HC_SB_MAX_SM; j++) {
1024 pr_cont("SM[%d] __flags (0x%x) "
1025 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1026 "time_to_expire (0x%x) "
1027 "timer_value(0x%x)\n", j,
1029 hc_sm_p[j].igu_sb_id,
1030 hc_sm_p[j].igu_seg_id,
1031 hc_sm_p[j].time_to_expire,
1032 hc_sm_p[j].timer_value);
1036 for (j = 0; j < loop; j++) {
1037 pr_cont("INDEX[%d] flags (0x%x) "
1038 "timeout (0x%x)\n", j,
1039 hc_index_p[j].flags,
1040 hc_index_p[j].timeout);
1044 #ifdef BNX2X_STOP_ON_ERROR
1047 for_each_rx_queue(bp, i) {
1048 struct bnx2x_fastpath *fp = &bp->fp[i];
1050 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1051 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
1052 for (j = start; j != end; j = RX_BD(j + 1)) {
1053 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1054 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1056 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1057 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
1060 start = RX_SGE(fp->rx_sge_prod);
1061 end = RX_SGE(fp->last_max_sge);
1062 for (j = start; j != end; j = RX_SGE(j + 1)) {
1063 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1064 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1066 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1067 i, j, rx_sge[1], rx_sge[0], sw_page->page);
1070 start = RCQ_BD(fp->rx_comp_cons - 10);
1071 end = RCQ_BD(fp->rx_comp_cons + 503);
1072 for (j = start; j != end; j = RCQ_BD(j + 1)) {
1073 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1075 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1076 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
1081 for_each_tx_queue(bp, i) {
1082 struct bnx2x_fastpath *fp = &bp->fp[i];
1084 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1085 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1086 for (j = start; j != end; j = TX_BD(j + 1)) {
1087 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1089 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1090 i, j, sw_bd->skb, sw_bd->first_bd);
1093 start = TX_BD(fp->tx_bd_cons - 10);
1094 end = TX_BD(fp->tx_bd_cons + 254);
1095 for (j = start; j != end; j = TX_BD(j + 1)) {
1096 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1098 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1099 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
1104 bnx2x_mc_assert(bp);
1105 BNX2X_ERR("end crash dump -----------------\n");
1108 static void bnx2x_hc_int_enable(struct bnx2x *bp)
1110 int port = BP_PORT(bp);
1111 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1112 u32 val = REG_RD(bp, addr);
1113 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1114 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1117 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_INT_LINE_EN_0);
1119 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1120 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1122 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1123 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1124 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1125 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1127 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1128 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1129 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1130 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1132 if (!CHIP_IS_E1(bp)) {
1133 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1136 REG_WR(bp, addr, val);
1138 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1143 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1145 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1146 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1148 REG_WR(bp, addr, val);
1150 * Ensure that HC_CONFIG is written before leading/trailing edge config
1155 if (!CHIP_IS_E1(bp)) {
1156 /* init leading/trailing edge */
1158 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1160 /* enable nig and gpio3 attention */
1165 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1166 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1169 /* Make sure that interrupts are indeed enabled from here on */
1173 static void bnx2x_igu_int_enable(struct bnx2x *bp)
1176 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1177 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1179 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1182 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1183 IGU_PF_CONF_SINGLE_ISR_EN);
1184 val |= (IGU_PF_CONF_FUNC_EN |
1185 IGU_PF_CONF_MSI_MSIX_EN |
1186 IGU_PF_CONF_ATTN_BIT_EN);
1188 val &= ~IGU_PF_CONF_INT_LINE_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_MSI_MSIX_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1194 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1195 val |= (IGU_PF_CONF_FUNC_EN |
1196 IGU_PF_CONF_INT_LINE_EN |
1197 IGU_PF_CONF_ATTN_BIT_EN |
1198 IGU_PF_CONF_SINGLE_ISR_EN);
1201 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1202 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1204 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1208 /* init leading/trailing edge */
1210 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1212 /* enable nig and gpio3 attention */
1217 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1218 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1220 /* Make sure that interrupts are indeed enabled from here on */
1224 void bnx2x_int_enable(struct bnx2x *bp)
1226 if (bp->common.int_block == INT_BLOCK_HC)
1227 bnx2x_hc_int_enable(bp);
1229 bnx2x_igu_int_enable(bp);
1232 static void bnx2x_hc_int_disable(struct bnx2x *bp)
1234 int port = BP_PORT(bp);
1235 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1236 u32 val = REG_RD(bp, addr);
1239 * in E1 we must use only PCI configuration space to disable
1240 * MSI/MSIX capablility
1241 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1243 if (CHIP_IS_E1(bp)) {
1244 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1245 * Use mask register to prevent from HC sending interrupts
1246 * after we exit the function
1248 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1250 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1251 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1252 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1254 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1255 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1256 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1257 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1259 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1262 /* flush all outstanding writes */
1265 REG_WR(bp, addr, val);
1266 if (REG_RD(bp, addr) != val)
1267 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1270 static void bnx2x_igu_int_disable(struct bnx2x *bp)
1272 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1274 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1275 IGU_PF_CONF_INT_LINE_EN |
1276 IGU_PF_CONF_ATTN_BIT_EN);
1278 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1280 /* flush all outstanding writes */
1283 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1284 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1285 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1288 static void bnx2x_int_disable(struct bnx2x *bp)
1290 if (bp->common.int_block == INT_BLOCK_HC)
1291 bnx2x_hc_int_disable(bp);
1293 bnx2x_igu_int_disable(bp);
1296 void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
1298 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1302 /* prevent the HW from sending interrupts */
1303 bnx2x_int_disable(bp);
1305 /* make sure all ISRs are done */
1307 synchronize_irq(bp->msix_table[0].vector);
1312 for_each_eth_queue(bp, i)
1313 synchronize_irq(bp->msix_table[i + offset].vector);
1315 synchronize_irq(bp->pdev->irq);
1317 /* make sure sp_task is not running */
1318 cancel_delayed_work(&bp->sp_task);
1319 flush_workqueue(bnx2x_wq);
1325 * General service functions
1328 /* Return true if succeeded to acquire the lock */
1329 static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1332 u32 resource_bit = (1 << resource);
1333 int func = BP_FUNC(bp);
1334 u32 hw_lock_control_reg;
1336 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1338 /* Validating that the resource is within range */
1339 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1341 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1342 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1347 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1349 hw_lock_control_reg =
1350 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1352 /* Try to acquire the lock */
1353 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1354 lock_status = REG_RD(bp, hw_lock_control_reg);
1355 if (lock_status & resource_bit)
1358 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1363 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1366 void bnx2x_sp_event(struct bnx2x_fastpath *fp,
1367 union eth_rx_cqe *rr_cqe)
1369 struct bnx2x *bp = fp->bp;
1370 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1371 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1374 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
1375 fp->index, cid, command, bp->state,
1376 rr_cqe->ramrod_cqe.ramrod_type);
1378 switch (command | fp->state) {
1379 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1380 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1381 fp->state = BNX2X_FP_STATE_OPEN;
1384 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1385 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
1386 fp->state = BNX2X_FP_STATE_HALTED;
1389 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1390 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1391 fp->state = BNX2X_FP_STATE_TERMINATED;
1395 BNX2X_ERR("unexpected MC reply (%d) "
1396 "fp[%d] state is %x\n",
1397 command, fp->index, fp->state);
1401 smp_mb__before_atomic_inc();
1402 atomic_inc(&bp->cq_spq_left);
1403 /* push the change in fp->state and towards the memory */
1409 irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1411 struct bnx2x *bp = netdev_priv(dev_instance);
1412 u16 status = bnx2x_ack_int(bp);
1416 /* Return here if interrupt is shared and it's not for us */
1417 if (unlikely(status == 0)) {
1418 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1421 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
1423 #ifdef BNX2X_STOP_ON_ERROR
1424 if (unlikely(bp->panic))
1428 for_each_eth_queue(bp, i) {
1429 struct bnx2x_fastpath *fp = &bp->fp[i];
1431 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
1432 if (status & mask) {
1433 /* Handle Rx and Tx according to SB id */
1434 prefetch(fp->rx_cons_sb);
1435 prefetch(fp->tx_cons_sb);
1436 prefetch(&fp->sb_running_index[SM_RX_ID]);
1437 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
1444 if (status & (mask | 0x1)) {
1445 struct cnic_ops *c_ops = NULL;
1448 c_ops = rcu_dereference(bp->cnic_ops);
1450 c_ops->cnic_handler(bp->cnic_data, NULL);
1457 if (unlikely(status & 0x1)) {
1458 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1465 if (unlikely(status))
1466 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
1472 /* end of fast path */
1478 * General service functions
1481 int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1484 u32 resource_bit = (1 << resource);
1485 int func = BP_FUNC(bp);
1486 u32 hw_lock_control_reg;
1489 /* Validating that the resource is within range */
1490 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1492 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1493 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1498 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1500 hw_lock_control_reg =
1501 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1504 /* Validating that the resource is not already taken */
1505 lock_status = REG_RD(bp, hw_lock_control_reg);
1506 if (lock_status & resource_bit) {
1507 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1508 lock_status, resource_bit);
1512 /* Try for 5 second every 5ms */
1513 for (cnt = 0; cnt < 1000; cnt++) {
1514 /* Try to acquire the lock */
1515 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1516 lock_status = REG_RD(bp, hw_lock_control_reg);
1517 if (lock_status & resource_bit)
1522 DP(NETIF_MSG_HW, "Timeout\n");
1526 int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1529 u32 resource_bit = (1 << resource);
1530 int func = BP_FUNC(bp);
1531 u32 hw_lock_control_reg;
1533 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1535 /* Validating that the resource is within range */
1536 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1538 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1539 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1544 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1546 hw_lock_control_reg =
1547 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1550 /* Validating that the resource is currently taken */
1551 lock_status = REG_RD(bp, hw_lock_control_reg);
1552 if (!(lock_status & resource_bit)) {
1553 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1554 lock_status, resource_bit);
1558 REG_WR(bp, hw_lock_control_reg, resource_bit);
1563 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1565 /* The GPIO should be swapped if swap register is set and active */
1566 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1567 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1568 int gpio_shift = gpio_num +
1569 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1570 u32 gpio_mask = (1 << gpio_shift);
1574 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1575 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1579 /* read GPIO value */
1580 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1582 /* get the requested pin value */
1583 if ((gpio_reg & gpio_mask) == gpio_mask)
1588 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1593 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1595 /* The GPIO should be swapped if swap register is set and active */
1596 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1597 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1598 int gpio_shift = gpio_num +
1599 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1600 u32 gpio_mask = (1 << gpio_shift);
1603 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1604 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1608 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1609 /* read GPIO and mask except the float bits */
1610 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1613 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1614 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1615 gpio_num, gpio_shift);
1616 /* clear FLOAT and set CLR */
1617 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1618 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1621 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1622 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1623 gpio_num, gpio_shift);
1624 /* clear FLOAT and set SET */
1625 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1626 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1629 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1630 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1631 gpio_num, gpio_shift);
1633 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1640 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1641 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1646 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1648 /* The GPIO should be swapped if swap register is set and active */
1649 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1650 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1651 int gpio_shift = gpio_num +
1652 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1653 u32 gpio_mask = (1 << gpio_shift);
1656 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1657 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1661 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1663 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1666 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1667 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1668 "output low\n", gpio_num, gpio_shift);
1669 /* clear SET and set CLR */
1670 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1671 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1674 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1675 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1676 "output high\n", gpio_num, gpio_shift);
1677 /* clear CLR and set SET */
1678 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1679 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1686 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1687 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1692 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1694 u32 spio_mask = (1 << spio_num);
1697 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1698 (spio_num > MISC_REGISTERS_SPIO_7)) {
1699 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1703 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1704 /* read SPIO and mask except the float bits */
1705 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1708 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1709 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1710 /* clear FLOAT and set CLR */
1711 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1712 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1715 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1716 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1717 /* clear FLOAT and set SET */
1718 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1719 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1722 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1723 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1725 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1732 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1733 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1738 void bnx2x_calc_fc_adv(struct bnx2x *bp)
1740 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1741 switch (bp->link_vars.ieee_fc &
1742 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
1743 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1744 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
1748 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1749 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
1753 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1754 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
1758 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
1764 u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
1766 if (!BP_NOMCP(bp)) {
1768 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1769 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
1770 /* Initialize link parameters structure variables */
1771 /* It is recommended to turn off RX FC for jumbo frames
1772 for better performance */
1773 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
1774 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
1776 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1778 bnx2x_acquire_phy_lock(bp);
1780 if (load_mode == LOAD_DIAG) {
1781 bp->link_params.loopback_mode = LOOPBACK_XGXS;
1782 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1785 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1787 bnx2x_release_phy_lock(bp);
1789 bnx2x_calc_fc_adv(bp);
1791 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1792 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
1793 bnx2x_link_report(bp);
1795 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
1798 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
1802 void bnx2x_link_set(struct bnx2x *bp)
1804 if (!BP_NOMCP(bp)) {
1805 bnx2x_acquire_phy_lock(bp);
1806 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1807 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1808 bnx2x_release_phy_lock(bp);
1810 bnx2x_calc_fc_adv(bp);
1812 BNX2X_ERR("Bootcode is missing - can not set link\n");
1815 static void bnx2x__link_reset(struct bnx2x *bp)
1817 if (!BP_NOMCP(bp)) {
1818 bnx2x_acquire_phy_lock(bp);
1819 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1820 bnx2x_release_phy_lock(bp);
1822 BNX2X_ERR("Bootcode is missing - can not reset link\n");
1825 u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
1829 if (!BP_NOMCP(bp)) {
1830 bnx2x_acquire_phy_lock(bp);
1831 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1833 bnx2x_release_phy_lock(bp);
1835 BNX2X_ERR("Bootcode is missing - can not test link\n");
1840 static void bnx2x_init_port_minmax(struct bnx2x *bp)
1842 u32 r_param = bp->link_vars.line_speed / 8;
1843 u32 fair_periodic_timeout_usec;
1846 memset(&(bp->cmng.rs_vars), 0,
1847 sizeof(struct rate_shaping_vars_per_port));
1848 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
1850 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1851 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
1853 /* this is the threshold below which no timer arming will occur
1854 1.25 coefficient is for the threshold to be a little bigger
1855 than the real time, to compensate for timer in-accuracy */
1856 bp->cmng.rs_vars.rs_threshold =
1857 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1859 /* resolution of fairness timer */
1860 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1861 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1862 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
1864 /* this is the threshold below which we won't arm the timer anymore */
1865 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
1867 /* we multiply by 1e3/8 to get bytes/msec.
1868 We don't want the credits to pass a credit
1869 of the t_fair*FAIR_MEM (algorithm resolution) */
1870 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1871 /* since each tick is 4 usec */
1872 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
1875 /* Calculates the sum of vn_min_rates.
1876 It's needed for further normalizing of the min_rates.
1878 sum of vn_min_rates.
1880 0 - if all the min_rates are 0.
1881 In the later case fainess algorithm should be deactivated.
1882 If not all min_rates are zero then those that are zeroes will be set to 1.
1884 static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1889 bp->vn_weight_sum = 0;
1890 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
1891 u32 vn_cfg = bp->mf_config[vn];
1892 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1893 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1895 /* Skip hidden vns */
1896 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1899 /* If min rate is zero - set it to 1 */
1901 vn_min_rate = DEF_MIN_RATE;
1905 bp->vn_weight_sum += vn_min_rate;
1908 /* if ETS or all min rates are zeros - disable fairness */
1909 if (BNX2X_IS_ETS_ENABLED(bp)) {
1910 bp->cmng.flags.cmng_enables &=
1911 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1912 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
1913 } else if (all_zero) {
1914 bp->cmng.flags.cmng_enables &=
1915 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1916 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1917 " fairness will be disabled\n");
1919 bp->cmng.flags.cmng_enables |=
1920 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1923 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
1925 struct rate_shaping_vars_per_vn m_rs_vn;
1926 struct fairness_vars_per_vn m_fair_vn;
1927 u32 vn_cfg = bp->mf_config[vn];
1928 int func = 2*vn + BP_PORT(bp);
1929 u16 vn_min_rate, vn_max_rate;
1932 /* If function is hidden - set min and max to zeroes */
1933 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1938 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1940 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1941 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1942 /* If fairness is enabled (not all min rates are zeroes) and
1943 if current min rate is zero - set it to 1.
1944 This is a requirement of the algorithm. */
1945 if (bp->vn_weight_sum && (vn_min_rate == 0))
1946 vn_min_rate = DEF_MIN_RATE;
1949 /* maxCfg in percents of linkspeed */
1950 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1952 /* maxCfg is absolute in 100Mb units */
1953 vn_max_rate = maxCfg * 100;
1957 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
1958 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
1960 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1961 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1963 /* global vn counter - maximal Mbps for this vn */
1964 m_rs_vn.vn_counter.rate = vn_max_rate;
1966 /* quota - number of bytes transmitted in this period */
1967 m_rs_vn.vn_counter.quota =
1968 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1970 if (bp->vn_weight_sum) {
1971 /* credit for each period of the fairness algorithm:
1972 number of bytes in T_FAIR (the vn share the port rate).
1973 vn_weight_sum should not be larger than 10000, thus
1974 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
1976 m_fair_vn.vn_credit_delta =
1977 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
1978 (8 * bp->vn_weight_sum))),
1979 (bp->cmng.fair_vars.fair_threshold +
1981 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
1982 m_fair_vn.vn_credit_delta);
1985 /* Store it to internal memory */
1986 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
1987 REG_WR(bp, BAR_XSTRORM_INTMEM +
1988 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
1989 ((u32 *)(&m_rs_vn))[i]);
1991 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
1992 REG_WR(bp, BAR_XSTRORM_INTMEM +
1993 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
1994 ((u32 *)(&m_fair_vn))[i]);
1997 static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
1999 if (CHIP_REV_IS_SLOW(bp))
2000 return CMNG_FNS_NONE;
2002 return CMNG_FNS_MINMAX;
2004 return CMNG_FNS_NONE;
2007 void bnx2x_read_mf_cfg(struct bnx2x *bp)
2009 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
2012 return; /* what should be the default bvalue in this case */
2014 /* For 2 port configuration the absolute function number formula
2016 * abs_func = 2 * vn + BP_PORT + BP_PATH
2018 * and there are 4 functions per port
2020 * For 4 port configuration it is
2021 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2023 * and there are 2 functions per port
2025 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2026 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2028 if (func >= E1H_FUNC_MAX)
2032 MF_CFG_RD(bp, func_mf_config[func].config);
2036 static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2039 if (cmng_type == CMNG_FNS_MINMAX) {
2042 /* clear cmng_enables */
2043 bp->cmng.flags.cmng_enables = 0;
2045 /* read mf conf from shmem */
2047 bnx2x_read_mf_cfg(bp);
2049 /* Init rate shaping and fairness contexts */
2050 bnx2x_init_port_minmax(bp);
2052 /* vn_weight_sum and enable fairness if not 0 */
2053 bnx2x_calc_vn_weight_sum(bp);
2055 /* calculate and set min-max rate for each vn */
2057 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2058 bnx2x_init_vn_minmax(bp, vn);
2060 /* always enable rate shaping and fairness */
2061 bp->cmng.flags.cmng_enables |=
2062 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2063 if (!bp->vn_weight_sum)
2064 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2065 " fairness will be disabled\n");
2069 /* rate shaping and fairness are disabled */
2071 "rate shaping and fairness are disabled\n");
2074 static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2076 int port = BP_PORT(bp);
2080 /* Set the attention towards other drivers on the same port */
2081 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2082 if (vn == BP_E1HVN(bp))
2085 func = ((vn << 1) | port);
2086 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2087 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2091 /* This function is called upon link interrupt */
2092 static void bnx2x_link_attn(struct bnx2x *bp)
2094 /* Make sure that we are synced with the current statistics */
2095 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2097 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2099 if (bp->link_vars.link_up) {
2101 /* dropless flow control */
2102 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
2103 int port = BP_PORT(bp);
2104 u32 pause_enabled = 0;
2106 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2109 REG_WR(bp, BAR_USTRORM_INTMEM +
2110 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
2114 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2115 struct host_port_stats *pstats;
2117 pstats = bnx2x_sp(bp, port_stats);
2118 /* reset old bmac stats */
2119 memset(&(pstats->mac_stx[0]), 0,
2120 sizeof(struct mac_stx));
2122 if (bp->state == BNX2X_STATE_OPEN)
2123 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2126 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2127 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
2129 if (cmng_fns != CMNG_FNS_NONE) {
2130 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2131 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2133 /* rate shaping and fairness are disabled */
2135 "single function mode without fairness\n");
2138 __bnx2x_link_report(bp);
2141 bnx2x_link_sync_notify(bp);
2144 void bnx2x__link_status_update(struct bnx2x *bp)
2146 if (bp->state != BNX2X_STATE_OPEN)
2149 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2151 if (bp->link_vars.link_up)
2152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2154 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2156 /* indicate link status */
2157 bnx2x_link_report(bp);
2160 static void bnx2x_pmf_update(struct bnx2x *bp)
2162 int port = BP_PORT(bp);
2166 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2168 /* enable nig attention */
2169 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2170 if (bp->common.int_block == INT_BLOCK_HC) {
2171 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2172 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2173 } else if (CHIP_IS_E2(bp)) {
2174 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2175 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2178 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2186 * General service functions
2189 /* send the MCP a request, block until there is a reply */
2190 u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
2192 int mb_idx = BP_FW_MB_IDX(bp);
2196 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2198 mutex_lock(&bp->fw_mb_mutex);
2200 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2201 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2203 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2206 /* let the FW do it's magic ... */
2209 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
2211 /* Give the FW up to 5 second (500*10ms) */
2212 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
2214 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2215 cnt*delay, rc, seq);
2217 /* is this a reply to our command? */
2218 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2219 rc &= FW_MSG_CODE_MASK;
2222 BNX2X_ERR("FW failed to respond!\n");
2226 mutex_unlock(&bp->fw_mb_mutex);
2231 static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2234 if (IS_FCOE_FP(fp) && IS_MF(bp))
2240 /* must be called under rtnl_lock */
2241 static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
2243 u32 mask = (1 << cl_id);
2245 /* initial seeting is BNX2X_ACCEPT_NONE */
2246 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2247 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2248 u8 unmatched_unicast = 0;
2250 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2251 unmatched_unicast = 1;
2253 if (filters & BNX2X_PROMISCUOUS_MODE) {
2254 /* promiscious - accept all, drop none */
2255 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2256 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
2259 * SI mode defines to accept in promiscuos mode
2260 * only unmatched packets
2262 unmatched_unicast = 1;
2266 if (filters & BNX2X_ACCEPT_UNICAST) {
2267 /* accept matched ucast */
2270 if (filters & BNX2X_ACCEPT_MULTICAST)
2271 /* accept matched mcast */
2274 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2275 /* accept all mcast */
2279 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2280 /* accept all mcast */
2284 if (filters & BNX2X_ACCEPT_BROADCAST) {
2285 /* accept (all) bcast */
2290 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2291 bp->mac_filters.ucast_drop_all | mask :
2292 bp->mac_filters.ucast_drop_all & ~mask;
2294 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2295 bp->mac_filters.mcast_drop_all | mask :
2296 bp->mac_filters.mcast_drop_all & ~mask;
2298 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2299 bp->mac_filters.bcast_drop_all | mask :
2300 bp->mac_filters.bcast_drop_all & ~mask;
2302 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2303 bp->mac_filters.ucast_accept_all | mask :
2304 bp->mac_filters.ucast_accept_all & ~mask;
2306 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2307 bp->mac_filters.mcast_accept_all | mask :
2308 bp->mac_filters.mcast_accept_all & ~mask;
2310 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2311 bp->mac_filters.bcast_accept_all | mask :
2312 bp->mac_filters.bcast_accept_all & ~mask;
2314 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2315 bp->mac_filters.unmatched_unicast | mask :
2316 bp->mac_filters.unmatched_unicast & ~mask;
2319 static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
2321 struct tstorm_eth_function_common_config tcfg = {0};
2325 if (p->func_flgs & FUNC_FLG_TPA)
2326 tcfg.config_flags |=
2327 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
2330 rss_flgs = (p->rss->mode <<
2331 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
2333 if (p->rss->cap & RSS_IPV4_CAP)
2334 rss_flgs |= RSS_IPV4_CAP_MASK;
2335 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2336 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2337 if (p->rss->cap & RSS_IPV6_CAP)
2338 rss_flgs |= RSS_IPV6_CAP_MASK;
2339 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2340 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
2342 tcfg.config_flags |= rss_flgs;
2343 tcfg.rss_result_mask = p->rss->result_mask;
2345 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2347 /* Enable the function in the FW */
2348 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2349 storm_memset_func_en(bp, p->func_id, 1);
2352 if (p->func_flgs & FUNC_FLG_STATS) {
2353 struct stats_indication_flags stats_flags = {0};
2354 stats_flags.collect_eth = 1;
2356 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2357 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2359 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2360 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2362 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2363 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2365 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2366 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2370 if (p->func_flgs & FUNC_FLG_SPQ) {
2371 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2372 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2373 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2377 static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2378 struct bnx2x_fastpath *fp)
2382 /* calculate queue flags */
2383 flags |= QUEUE_FLG_CACHE_ALIGN;
2384 flags |= QUEUE_FLG_HC;
2385 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
2387 flags |= QUEUE_FLG_VLAN;
2388 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
2390 if (!fp->disable_tpa)
2391 flags |= QUEUE_FLG_TPA;
2393 flags = stat_counter_valid(bp, fp) ?
2394 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
2399 static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2400 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2401 struct bnx2x_rxq_init_params *rxq_init)
2405 u16 tpa_agg_size = 0;
2407 /* calculate queue flags */
2408 u16 flags = bnx2x_get_cl_flags(bp, fp);
2410 if (!fp->disable_tpa) {
2411 pause->sge_th_hi = 250;
2412 pause->sge_th_lo = 150;
2413 tpa_agg_size = min_t(u32,
2414 (min_t(u32, 8, MAX_SKB_FRAGS) *
2415 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2416 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2418 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2419 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2420 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2424 /* pause - not for e1 */
2425 if (!CHIP_IS_E1(bp)) {
2426 pause->bd_th_hi = 350;
2427 pause->bd_th_lo = 250;
2428 pause->rcq_th_hi = 350;
2429 pause->rcq_th_lo = 250;
2430 pause->sge_th_hi = 0;
2431 pause->sge_th_lo = 0;
2436 rxq_init->flags = flags;
2437 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2438 rxq_init->dscr_map = fp->rx_desc_mapping;
2439 rxq_init->sge_map = fp->rx_sge_mapping;
2440 rxq_init->rcq_map = fp->rx_comp_mapping;
2441 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2443 /* Always use mini-jumbo MTU for FCoE L2 ring */
2445 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2447 rxq_init->mtu = bp->dev->mtu;
2449 rxq_init->buf_sz = fp->rx_buf_size;
2450 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2451 rxq_init->cl_id = fp->cl_id;
2452 rxq_init->spcl_id = fp->cl_id;
2453 rxq_init->stat_id = fp->cl_id;
2454 rxq_init->tpa_agg_sz = tpa_agg_size;
2455 rxq_init->sge_buf_sz = sge_sz;
2456 rxq_init->max_sges_pkt = max_sge;
2457 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2458 rxq_init->fw_sb_id = fp->fw_sb_id;
2461 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2463 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
2465 rxq_init->cid = HW_CID(bp, fp->cid);
2467 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2470 static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2471 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2473 u16 flags = bnx2x_get_cl_flags(bp, fp);
2475 txq_init->flags = flags;
2476 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2477 txq_init->dscr_map = fp->tx_desc_mapping;
2478 txq_init->stat_id = fp->cl_id;
2479 txq_init->cid = HW_CID(bp, fp->cid);
2480 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2481 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2482 txq_init->fw_sb_id = fp->fw_sb_id;
2484 if (IS_FCOE_FP(fp)) {
2485 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2486 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2489 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2492 static void bnx2x_pf_init(struct bnx2x *bp)
2494 struct bnx2x_func_init_params func_init = {0};
2495 struct bnx2x_rss_params rss = {0};
2496 struct event_ring_data eq_data = { {0} };
2499 /* pf specific setups */
2500 if (!CHIP_IS_E1(bp))
2501 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
2503 if (CHIP_IS_E2(bp)) {
2504 /* reset IGU PF statistics: MSIX + ATTN */
2506 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2507 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2508 (CHIP_MODE_IS_4_PORT(bp) ?
2509 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2511 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2512 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2513 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2514 (CHIP_MODE_IS_4_PORT(bp) ?
2515 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2518 /* function setup flags */
2519 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2521 if (CHIP_IS_E1x(bp))
2522 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2524 flags |= FUNC_FLG_TPA;
2526 /* function setup */
2529 * Although RSS is meaningless when there is a single HW queue we
2530 * still need it enabled in order to have HW Rx hash generated.
2532 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2533 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2534 rss.mode = bp->multi_mode;
2535 rss.result_mask = MULTI_MASK;
2536 func_init.rss = &rss;
2538 func_init.func_flgs = flags;
2539 func_init.pf_id = BP_FUNC(bp);
2540 func_init.func_id = BP_FUNC(bp);
2541 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2542 func_init.spq_map = bp->spq_mapping;
2543 func_init.spq_prod = bp->spq_prod_idx;
2545 bnx2x_func_init(bp, &func_init);
2547 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2550 Congestion management values depend on the link rate
2551 There is no active link so initial link rate is set to 10 Gbps.
2552 When the link comes up The congestion management values are
2553 re-calculated according to the actual link rate.
2555 bp->link_vars.line_speed = SPEED_10000;
2556 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2558 /* Only the PMF sets the HW */
2560 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2562 /* no rx until link is up */
2563 bp->rx_mode = BNX2X_RX_MODE_NONE;
2564 bnx2x_set_storm_rx_mode(bp);
2566 /* init Event Queue */
2567 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2568 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2569 eq_data.producer = bp->eq_prod;
2570 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2571 eq_data.sb_id = DEF_SB_ID;
2572 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2576 static void bnx2x_e1h_disable(struct bnx2x *bp)
2578 int port = BP_PORT(bp);
2580 netif_tx_disable(bp->dev);
2582 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2584 netif_carrier_off(bp->dev);
2587 static void bnx2x_e1h_enable(struct bnx2x *bp)
2589 int port = BP_PORT(bp);
2591 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2593 /* Tx queue should be only reenabled */
2594 netif_tx_wake_all_queues(bp->dev);
2597 * Should not call netif_carrier_on since it will be called if the link
2598 * is up when checking for link state
2602 /* called due to MCP event (on pmf):
2603 * reread new bandwidth configuration
2605 * notify others function about the change
2607 static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2609 if (bp->link_vars.link_up) {
2610 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2611 bnx2x_link_sync_notify(bp);
2613 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2616 static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2618 bnx2x_config_mf_bw(bp);
2619 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2622 static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2624 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
2626 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2629 * This is the only place besides the function initialization
2630 * where the bp->flags can change so it is done without any
2633 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2634 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
2635 bp->flags |= MF_FUNC_DIS;
2637 bnx2x_e1h_disable(bp);
2639 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2640 bp->flags &= ~MF_FUNC_DIS;
2642 bnx2x_e1h_enable(bp);
2644 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2646 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
2647 bnx2x_config_mf_bw(bp);
2648 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2651 /* Report results to MCP */
2653 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
2655 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
2658 /* must be called under the spq lock */
2659 static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2661 struct eth_spe *next_spe = bp->spq_prod_bd;
2663 if (bp->spq_prod_bd == bp->spq_last_bd) {
2664 bp->spq_prod_bd = bp->spq;
2665 bp->spq_prod_idx = 0;
2666 DP(NETIF_MSG_TIMER, "end of spq\n");
2674 /* must be called under the spq lock */
2675 static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2677 int func = BP_FUNC(bp);
2679 /* Make sure that BD data is updated before writing the producer */
2682 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2687 /* the slow path queue is odd since completions arrive on the fastpath ring */
2688 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2689 u32 data_hi, u32 data_lo, int common)
2691 struct eth_spe *spe;
2694 #ifdef BNX2X_STOP_ON_ERROR
2695 if (unlikely(bp->panic))
2699 spin_lock_bh(&bp->spq_lock);
2702 if (!atomic_read(&bp->eq_spq_left)) {
2703 BNX2X_ERR("BUG! EQ ring full!\n");
2704 spin_unlock_bh(&bp->spq_lock);
2708 } else if (!atomic_read(&bp->cq_spq_left)) {
2709 BNX2X_ERR("BUG! SPQ ring full!\n");
2710 spin_unlock_bh(&bp->spq_lock);
2715 spe = bnx2x_sp_get_next(bp);
2717 /* CID needs port number to be encoded int it */
2718 spe->hdr.conn_and_cmd_data =
2719 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2724 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2725 * TRAFFIC_STOP, TRAFFIC_START
2727 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2728 & SPE_HDR_CONN_TYPE;
2730 /* ETH ramrods: SETUP, HALT */
2731 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2732 & SPE_HDR_CONN_TYPE;
2734 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2735 SPE_HDR_FUNCTION_ID);
2737 spe->hdr.type = cpu_to_le16(type);
2739 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2740 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2742 /* stats ramrod has it's own slot on the spq */
2743 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
2744 /* It's ok if the actual decrement is issued towards the memory
2745 * somewhere between the spin_lock and spin_unlock. Thus no
2746 * more explict memory barrier is needed.
2749 atomic_dec(&bp->eq_spq_left);
2751 atomic_dec(&bp->cq_spq_left);
2755 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2756 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2757 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
2758 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2759 (u32)(U64_LO(bp->spq_mapping) +
2760 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2761 HW_CID(bp, cid), data_hi, data_lo, type,
2762 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
2764 bnx2x_sp_prod_update(bp);
2765 spin_unlock_bh(&bp->spq_lock);
2769 /* acquire split MCP access lock register */
2770 static int bnx2x_acquire_alr(struct bnx2x *bp)
2776 for (j = 0; j < 1000; j++) {
2778 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2779 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2780 if (val & (1L << 31))
2785 if (!(val & (1L << 31))) {
2786 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2793 /* release split MCP access lock register */
2794 static void bnx2x_release_alr(struct bnx2x *bp)
2796 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
2799 #define BNX2X_DEF_SB_ATT_IDX 0x0001
2800 #define BNX2X_DEF_SB_IDX 0x0002
2802 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2804 struct host_sp_status_block *def_sb = bp->def_status_blk;
2807 barrier(); /* status block is written to by the chip */
2808 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2809 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2810 rc |= BNX2X_DEF_SB_ATT_IDX;
2813 if (bp->def_idx != def_sb->sp_sb.running_index) {
2814 bp->def_idx = def_sb->sp_sb.running_index;
2815 rc |= BNX2X_DEF_SB_IDX;
2818 /* Do not reorder: indecies reading should complete before handling */
2824 * slow path service functions
2827 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2829 int port = BP_PORT(bp);
2830 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2831 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2832 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2833 NIG_REG_MASK_INTERRUPT_PORT0;
2838 if (bp->attn_state & asserted)
2839 BNX2X_ERR("IGU ERROR\n");
2841 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2842 aeu_mask = REG_RD(bp, aeu_addr);
2844 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2845 aeu_mask, asserted);
2846 aeu_mask &= ~(asserted & 0x3ff);
2847 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2849 REG_WR(bp, aeu_addr, aeu_mask);
2850 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2852 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2853 bp->attn_state |= asserted;
2854 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2856 if (asserted & ATTN_HARD_WIRED_MASK) {
2857 if (asserted & ATTN_NIG_FOR_FUNC) {
2859 bnx2x_acquire_phy_lock(bp);
2861 /* save nig interrupt mask */
2862 nig_mask = REG_RD(bp, nig_int_mask_addr);
2864 /* If nig_mask is not set, no need to call the update
2868 REG_WR(bp, nig_int_mask_addr, 0);
2870 bnx2x_link_attn(bp);
2873 /* handle unicore attn? */
2875 if (asserted & ATTN_SW_TIMER_4_FUNC)
2876 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2878 if (asserted & GPIO_2_FUNC)
2879 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2881 if (asserted & GPIO_3_FUNC)
2882 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2884 if (asserted & GPIO_4_FUNC)
2885 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2888 if (asserted & ATTN_GENERAL_ATTN_1) {
2889 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2890 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2892 if (asserted & ATTN_GENERAL_ATTN_2) {
2893 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2894 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2896 if (asserted & ATTN_GENERAL_ATTN_3) {
2897 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2898 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2901 if (asserted & ATTN_GENERAL_ATTN_4) {
2902 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2903 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2905 if (asserted & ATTN_GENERAL_ATTN_5) {
2906 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2907 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2909 if (asserted & ATTN_GENERAL_ATTN_6) {
2910 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2911 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2915 } /* if hardwired */
2917 if (bp->common.int_block == INT_BLOCK_HC)
2918 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2919 COMMAND_REG_ATTN_BITS_SET);
2921 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2923 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2924 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2925 REG_WR(bp, reg_addr, asserted);
2927 /* now set back the mask */
2928 if (asserted & ATTN_NIG_FOR_FUNC) {
2929 REG_WR(bp, nig_int_mask_addr, nig_mask);
2930 bnx2x_release_phy_lock(bp);
2934 static inline void bnx2x_fan_failure(struct bnx2x *bp)
2936 int port = BP_PORT(bp);
2938 /* mark the failure */
2941 dev_info.port_hw_config[port].external_phy_config);
2943 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2944 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2945 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
2948 /* log the failure */
2949 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2950 " the driver to shutdown the card to prevent permanent"
2951 " damage. Please contact OEM Support for assistance\n");
2954 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2956 int port = BP_PORT(bp);
2960 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2961 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2963 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2965 val = REG_RD(bp, reg_offset);
2966 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2967 REG_WR(bp, reg_offset, val);
2969 BNX2X_ERR("SPIO5 hw attention\n");
2971 /* Fan failure attention */
2972 bnx2x_hw_reset_phy(&bp->link_params);
2973 bnx2x_fan_failure(bp);
2976 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2977 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2978 bnx2x_acquire_phy_lock(bp);
2979 bnx2x_handle_module_detect_int(&bp->link_params);
2980 bnx2x_release_phy_lock(bp);
2983 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2985 val = REG_RD(bp, reg_offset);
2986 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2987 REG_WR(bp, reg_offset, val);
2989 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2990 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
2995 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2999 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
3001 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3002 BNX2X_ERR("DB hw attention 0x%x\n", val);
3003 /* DORQ discard attention */
3005 BNX2X_ERR("FATAL error from DORQ\n");
3008 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3010 int port = BP_PORT(bp);
3013 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3014 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3016 val = REG_RD(bp, reg_offset);
3017 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3018 REG_WR(bp, reg_offset, val);
3020 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
3021 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
3026 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3030 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3032 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3033 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3034 /* CFC error attention */
3036 BNX2X_ERR("FATAL error from CFC\n");
3039 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3041 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3042 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3043 /* RQ_USDMDP_FIFO_OVERFLOW */
3045 BNX2X_ERR("FATAL error from PXP\n");
3046 if (CHIP_IS_E2(bp)) {
3047 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3048 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3052 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3054 int port = BP_PORT(bp);
3057 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3058 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3060 val = REG_RD(bp, reg_offset);
3061 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3062 REG_WR(bp, reg_offset, val);
3064 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
3065 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
3070 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3074 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3076 if (attn & BNX2X_PMF_LINK_ASSERT) {
3077 int func = BP_FUNC(bp);
3079 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
3080 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3081 func_mf_config[BP_ABS_FUNC(bp)].config);
3083 func_mb[BP_FW_MB_IDX(bp)].drv_status);
3084 if (val & DRV_STATUS_DCC_EVENT_MASK)
3086 (val & DRV_STATUS_DCC_EVENT_MASK));
3088 if (val & DRV_STATUS_SET_MF_BW)
3089 bnx2x_set_mf_bw(bp);
3091 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
3092 bnx2x_pmf_update(bp);
3094 /* Always call it here: bnx2x_link_report() will
3095 * prevent the link indication duplication.
3097 bnx2x__link_status_update(bp);
3100 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3101 bp->dcbx_enabled > 0)
3102 /* start dcbx state machine */
3103 bnx2x_dcbx_set_params(bp,
3104 BNX2X_DCBX_STATE_NEG_RECEIVED);
3105 } else if (attn & BNX2X_MC_ASSERT_BITS) {
3107 BNX2X_ERR("MC assert!\n");
3108 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3109 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3110 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3111 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3114 } else if (attn & BNX2X_MCP_ASSERT) {
3116 BNX2X_ERR("MCP assert!\n");
3117 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
3121 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3124 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
3125 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3126 if (attn & BNX2X_GRC_TIMEOUT) {
3127 val = CHIP_IS_E1(bp) ? 0 :
3128 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
3129 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3131 if (attn & BNX2X_GRC_RSV) {
3132 val = CHIP_IS_E1(bp) ? 0 :
3133 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
3134 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3136 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
3140 #define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3141 #define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3142 #define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3143 #define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3144 #define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
3147 * should be run under rtnl lock
3149 static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3151 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3152 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3153 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3159 * should be run under rtnl lock
3161 static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3163 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3165 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3171 * should be run under rtnl lock
3173 bool bnx2x_reset_is_done(struct bnx2x *bp)
3175 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3176 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3177 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3181 * should be run under rtnl lock
3183 inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
3185 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3187 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3189 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3190 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3196 * should be run under rtnl lock
3198 u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
3200 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3202 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3204 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3205 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3213 * should be run under rtnl lock
3215 static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3217 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3220 static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3222 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3223 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3226 static inline void _print_next_block(int idx, const char *blk)
3233 static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3237 for (i = 0; sig; i++) {
3238 cur_bit = ((u32)0x1 << i);
3239 if (sig & cur_bit) {
3241 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3242 _print_next_block(par_num++, "BRB");
3244 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3245 _print_next_block(par_num++, "PARSER");
3247 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3248 _print_next_block(par_num++, "TSDM");
3250 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3251 _print_next_block(par_num++, "SEARCHER");
3253 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3254 _print_next_block(par_num++, "TSEMI");
3266 static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3270 for (i = 0; sig; i++) {
3271 cur_bit = ((u32)0x1 << i);
3272 if (sig & cur_bit) {
3274 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3275 _print_next_block(par_num++, "PBCLIENT");
3277 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3278 _print_next_block(par_num++, "QM");
3280 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3281 _print_next_block(par_num++, "XSDM");
3283 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3284 _print_next_block(par_num++, "XSEMI");
3286 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3287 _print_next_block(par_num++, "DOORBELLQ");
3289 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3290 _print_next_block(par_num++, "VAUX PCI CORE");
3292 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3293 _print_next_block(par_num++, "DEBUG");
3295 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3296 _print_next_block(par_num++, "USDM");
3298 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3299 _print_next_block(par_num++, "USEMI");
3301 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3302 _print_next_block(par_num++, "UPB");
3304 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3305 _print_next_block(par_num++, "CSDM");
3317 static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3321 for (i = 0; sig; i++) {
3322 cur_bit = ((u32)0x1 << i);
3323 if (sig & cur_bit) {
3325 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3326 _print_next_block(par_num++, "CSEMI");
3328 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3329 _print_next_block(par_num++, "PXP");
3331 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3332 _print_next_block(par_num++,
3333 "PXPPCICLOCKCLIENT");
3335 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3336 _print_next_block(par_num++, "CFC");
3338 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3339 _print_next_block(par_num++, "CDU");
3341 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3342 _print_next_block(par_num++, "IGU");
3344 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3345 _print_next_block(par_num++, "MISC");
3357 static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3361 for (i = 0; sig; i++) {
3362 cur_bit = ((u32)0x1 << i);
3363 if (sig & cur_bit) {
3365 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3366 _print_next_block(par_num++, "MCP ROM");
3368 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3369 _print_next_block(par_num++, "MCP UMP RX");
3371 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3372 _print_next_block(par_num++, "MCP UMP TX");
3374 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3375 _print_next_block(par_num++, "MCP SCPAD");
3387 static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3390 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3391 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3393 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3394 "[0]:0x%08x [1]:0x%08x "
3395 "[2]:0x%08x [3]:0x%08x\n",
3396 sig0 & HW_PRTY_ASSERT_SET_0,
3397 sig1 & HW_PRTY_ASSERT_SET_1,
3398 sig2 & HW_PRTY_ASSERT_SET_2,
3399 sig3 & HW_PRTY_ASSERT_SET_3);
3400 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3402 par_num = bnx2x_print_blocks_with_parity0(
3403 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3404 par_num = bnx2x_print_blocks_with_parity1(
3405 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3406 par_num = bnx2x_print_blocks_with_parity2(
3407 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3408 par_num = bnx2x_print_blocks_with_parity3(
3409 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3416 bool bnx2x_chk_parity_attn(struct bnx2x *bp)
3418 struct attn_route attn;
3419 int port = BP_PORT(bp);
3421 attn.sig[0] = REG_RD(bp,
3422 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3424 attn.sig[1] = REG_RD(bp,
3425 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3427 attn.sig[2] = REG_RD(bp,
3428 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3430 attn.sig[3] = REG_RD(bp,
3431 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3434 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3439 static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3442 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3444 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3445 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3446 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3447 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3449 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3450 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3451 "INCORRECT_RCV_BEHAVIOR\n");
3452 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3453 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3454 "WAS_ERROR_ATTN\n");
3455 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3456 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3457 "VF_LENGTH_VIOLATION_ATTN\n");
3459 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3460 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3461 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3463 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3464 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3465 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3466 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3467 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3468 "TCPL_ERROR_ATTN\n");
3469 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3470 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3471 "TCPL_IN_TWO_RCBS_ATTN\n");
3472 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3473 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3474 "CSSNOOP_FIFO_OVERFLOW\n");
3476 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3477 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3478 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3479 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3480 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3481 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3482 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3483 "_ATC_TCPL_TO_NOT_PEND\n");
3484 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3485 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3486 "ATC_GPA_MULTIPLE_HITS\n");
3487 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3488 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3489 "ATC_RCPL_TO_EMPTY_CNT\n");
3490 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3491 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3492 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3493 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3494 "ATC_IREQ_LESS_THAN_STU\n");
3497 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3498 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3499 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3500 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3501 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3506 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3508 struct attn_route attn, *group_mask;
3509 int port = BP_PORT(bp);
3515 /* need to take HW lock because MCP or other port might also
3516 try to handle this event */
3517 bnx2x_acquire_alr(bp);
3519 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
3520 bp->recovery_state = BNX2X_RECOVERY_INIT;
3521 bnx2x_set_reset_in_progress(bp);
3522 schedule_delayed_work(&bp->reset_task, 0);
3523 /* Disable HW interrupts */
3524 bnx2x_int_disable(bp);
3525 bnx2x_release_alr(bp);
3526 /* In case of parity errors don't handle attentions so that
3527 * other function would "see" parity errors.
3532 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3533 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3534 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3535 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
3538 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3542 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3543 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
3545 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3546 if (deasserted & (1 << index)) {
3547 group_mask = &bp->attn_group[index];
3549 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3552 group_mask->sig[0], group_mask->sig[1],
3553 group_mask->sig[2], group_mask->sig[3],
3554 group_mask->sig[4]);
3556 bnx2x_attn_int_deasserted4(bp,
3557 attn.sig[4] & group_mask->sig[4]);
3558 bnx2x_attn_int_deasserted3(bp,
3559 attn.sig[3] & group_mask->sig[3]);
3560 bnx2x_attn_int_deasserted1(bp,
3561 attn.sig[1] & group_mask->sig[1]);
3562 bnx2x_attn_int_deasserted2(bp,
3563 attn.sig[2] & group_mask->sig[2]);
3564 bnx2x_attn_int_deasserted0(bp,
3565 attn.sig[0] & group_mask->sig[0]);
3569 bnx2x_release_alr(bp);
3571 if (bp->common.int_block == INT_BLOCK_HC)
3572 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3573 COMMAND_REG_ATTN_BITS_CLR);
3575 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
3578 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3579 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3580 REG_WR(bp, reg_addr, val);
3582 if (~bp->attn_state & deasserted)
3583 BNX2X_ERR("IGU ERROR\n");
3585 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3586 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3588 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3589 aeu_mask = REG_RD(bp, reg_addr);
3591 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3592 aeu_mask, deasserted);
3593 aeu_mask |= (deasserted & 0x3ff);
3594 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3596 REG_WR(bp, reg_addr, aeu_mask);
3597 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3599 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3600 bp->attn_state &= ~deasserted;
3601 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3604 static void bnx2x_attn_int(struct bnx2x *bp)
3606 /* read local copy of bits */
3607 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3609 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3611 u32 attn_state = bp->attn_state;
3613 /* look for changed bits */
3614 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3615 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3618 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3619 attn_bits, attn_ack, asserted, deasserted);
3621 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
3622 BNX2X_ERR("BAD attention state\n");
3624 /* handle bits that were raised */
3626 bnx2x_attn_int_asserted(bp, asserted);
3629 bnx2x_attn_int_deasserted(bp, deasserted);
3632 static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3634 /* No memory barriers */
3635 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3636 mmiowb(); /* keep prod updates ordered */
3640 static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3641 union event_ring_elem *elem)
3643 if (!bp->cnic_eth_dev.starting_cid ||
3644 (cid < bp->cnic_eth_dev.starting_cid &&
3645 cid != bp->cnic_eth_dev.iscsi_l2_cid))
3648 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3650 if (unlikely(elem->message.data.cfc_del_event.error)) {
3651 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3653 bnx2x_panic_dump(bp);
3655 bnx2x_cnic_cfc_comp(bp, cid);
3660 static void bnx2x_eq_int(struct bnx2x *bp)
3662 u16 hw_cons, sw_cons, sw_prod;
3663 union event_ring_elem *elem;
3668 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3670 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3671 * when we get the the next-page we nned to adjust so the loop
3672 * condition below will be met. The next element is the size of a
3673 * regular element and hence incrementing by 1
3675 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3678 /* This function may never run in parallel with itself for a
3679 * specific bp, thus there is no need in "paired" read memory
3682 sw_cons = bp->eq_cons;
3683 sw_prod = bp->eq_prod;
3685 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3686 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
3688 for (; sw_cons != hw_cons;
3689 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3692 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3694 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3695 opcode = elem->message.opcode;
3698 /* handle eq element */
3700 case EVENT_RING_OPCODE_STAT_QUERY:
3701 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3702 /* nothing to do with stats comp */
3705 case EVENT_RING_OPCODE_CFC_DEL:
3706 /* handle according to cid range */
3708 * we may want to verify here that the bp state is
3711 DP(NETIF_MSG_IFDOWN,
3712 "got delete ramrod for MULTI[%d]\n", cid);
3714 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3716 if (cid == BNX2X_FCOE_ETH_CID)
3717 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3720 bnx2x_fp(bp, cid, state) =
3721 BNX2X_FP_STATE_CLOSED;
3725 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3726 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3727 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3729 case EVENT_RING_OPCODE_START_TRAFFIC:
3730 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3731 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3735 switch (opcode | bp->state) {
3736 case (EVENT_RING_OPCODE_FUNCTION_START |
3737 BNX2X_STATE_OPENING_WAIT4_PORT):
3738 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3739 bp->state = BNX2X_STATE_FUNC_STARTED;
3742 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3743 BNX2X_STATE_CLOSING_WAIT4_HALT):
3744 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3745 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3748 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3749 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3750 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3751 if (elem->message.data.set_mac_event.echo)
3752 bp->set_mac_pending = 0;
3755 case (EVENT_RING_OPCODE_SET_MAC |
3756 BNX2X_STATE_CLOSING_WAIT4_HALT):
3757 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3758 if (elem->message.data.set_mac_event.echo)
3759 bp->set_mac_pending = 0;
3762 /* unknown event log error and continue */
3763 BNX2X_ERR("Unknown EQ event %d\n",
3764 elem->message.opcode);
3770 smp_mb__before_atomic_inc();
3771 atomic_add(spqe_cnt, &bp->eq_spq_left);
3773 bp->eq_cons = sw_cons;
3774 bp->eq_prod = sw_prod;
3775 /* Make sure that above mem writes were issued towards the memory */
3778 /* update producer */
3779 bnx2x_update_eq_prod(bp, bp->eq_prod);
3782 static void bnx2x_sp_task(struct work_struct *work)
3784 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
3787 status = bnx2x_update_dsb_idx(bp);
3788 /* if (status == 0) */
3789 /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
3791 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
3794 if (status & BNX2X_DEF_SB_ATT_IDX) {
3796 status &= ~BNX2X_DEF_SB_ATT_IDX;
3799 /* SP events: STAT_QUERY and others */
3800 if (status & BNX2X_DEF_SB_IDX) {
3802 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
3804 if ((!NO_FCOE(bp)) &&
3805 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3806 napi_schedule(&bnx2x_fcoe(bp, napi));
3808 /* Handle EQ completions */
3811 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3812 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3814 status &= ~BNX2X_DEF_SB_IDX;
3817 if (unlikely(status))
3818 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3821 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3822 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
3825 irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
3827 struct net_device *dev = dev_instance;
3828 struct bnx2x *bp = netdev_priv(dev);
3830 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3831 IGU_INT_DISABLE, 0);
3833 #ifdef BNX2X_STOP_ON_ERROR
3834 if (unlikely(bp->panic))
3840 struct cnic_ops *c_ops;
3843 c_ops = rcu_dereference(bp->cnic_ops);
3845 c_ops->cnic_handler(bp->cnic_data, NULL);
3849 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
3854 /* end of slow path */
3856 static void bnx2x_timer(unsigned long data)
3858 struct bnx2x *bp = (struct bnx2x *) data;
3860 if (!netif_running(bp->dev))
3864 struct bnx2x_fastpath *fp = &bp->fp[0];
3867 bnx2x_rx_int(fp, 1000);
3870 if (!BP_NOMCP(bp)) {
3871 int mb_idx = BP_FW_MB_IDX(bp);
3875 ++bp->fw_drv_pulse_wr_seq;
3876 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3877 /* TBD - add SYSTEM_TIME */
3878 drv_pulse = bp->fw_drv_pulse_wr_seq;
3879 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
3881 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
3882 MCP_PULSE_SEQ_MASK);
3883 /* The delta between driver pulse and mcp response
3884 * should be 1 (before mcp response) or 0 (after mcp response)
3886 if ((drv_pulse != mcp_pulse) &&
3887 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3888 /* someone lost a heartbeat... */
3889 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3890 drv_pulse, mcp_pulse);
3894 if (bp->state == BNX2X_STATE_OPEN)
3895 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3897 mod_timer(&bp->timer, jiffies + bp->current_interval);
3900 /* end of Statistics */
3905 * nic init service functions
3908 static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
3911 if (!(len%4) && !(addr%4))
3912 for (i = 0; i < len; i += 4)
3913 REG_WR(bp, addr + i, fill);
3915 for (i = 0; i < len; i++)
3916 REG_WR8(bp, addr + i, fill);
3920 /* helper: writes FP SP data to FW - data_size in dwords */
3921 static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3927 for (index = 0; index < data_size; index++)
3928 REG_WR(bp, BAR_CSTRORM_INTMEM +
3929 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3931 *(sb_data_p + index));
3934 static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3938 struct hc_status_block_data_e2 sb_data_e2;
3939 struct hc_status_block_data_e1x sb_data_e1x;
3941 /* disable the function first */
3942 if (CHIP_IS_E2(bp)) {
3943 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3944 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3945 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3946 sb_data_e2.common.p_func.vf_valid = false;
3947 sb_data_p = (u32 *)&sb_data_e2;
3948 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3950 memset(&sb_data_e1x, 0,
3951 sizeof(struct hc_status_block_data_e1x));
3952 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3953 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3954 sb_data_e1x.common.p_func.vf_valid = false;
3955 sb_data_p = (u32 *)&sb_data_e1x;
3956 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3958 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3960 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3961 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3962 CSTORM_STATUS_BLOCK_SIZE);
3963 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3964 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3965 CSTORM_SYNC_BLOCK_SIZE);
3968 /* helper: writes SP SB data to FW */
3969 static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3970 struct hc_sp_status_block_data *sp_sb_data)
3972 int func = BP_FUNC(bp);
3974 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3975 REG_WR(bp, BAR_CSTRORM_INTMEM +
3976 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3978 *((u32 *)sp_sb_data + i));
3981 static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
3983 int func = BP_FUNC(bp);
3984 struct hc_sp_status_block_data sp_sb_data;
3985 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
3987 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
3988 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
3989 sp_sb_data.p_func.vf_valid = false;
3991 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
3993 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3994 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
3995 CSTORM_SP_STATUS_BLOCK_SIZE);
3996 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3997 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
3998 CSTORM_SP_SYNC_BLOCK_SIZE);
4004 void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4005 int igu_sb_id, int igu_seg_id)
4007 hc_sm->igu_sb_id = igu_sb_id;
4008 hc_sm->igu_seg_id = igu_seg_id;
4009 hc_sm->timer_value = 0xFF;
4010 hc_sm->time_to_expire = 0xFFFFFFFF;
4013 static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
4014 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4018 struct hc_status_block_data_e2 sb_data_e2;
4019 struct hc_status_block_data_e1x sb_data_e1x;
4020 struct hc_status_block_sm *hc_sm_p;
4024 if (CHIP_INT_MODE_IS_BC(bp))
4025 igu_seg_id = HC_SEG_ACCESS_NORM;
4027 igu_seg_id = IGU_SEG_ACCESS_NORM;
4029 bnx2x_zero_fp_sb(bp, fw_sb_id);
4031 if (CHIP_IS_E2(bp)) {
4032 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4033 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4034 sb_data_e2.common.p_func.vf_id = vfid;
4035 sb_data_e2.common.p_func.vf_valid = vf_valid;
4036 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4037 sb_data_e2.common.same_igu_sb_1b = true;
4038 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4039 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4040 hc_sm_p = sb_data_e2.common.state_machine;
4041 sb_data_p = (u32 *)&sb_data_e2;
4042 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4044 memset(&sb_data_e1x, 0,
4045 sizeof(struct hc_status_block_data_e1x));
4046 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4047 sb_data_e1x.common.p_func.vf_id = 0xff;
4048 sb_data_e1x.common.p_func.vf_valid = false;
4049 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4050 sb_data_e1x.common.same_igu_sb_1b = true;
4051 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4052 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4053 hc_sm_p = sb_data_e1x.common.state_machine;
4054 sb_data_p = (u32 *)&sb_data_e1x;
4055 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4058 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4059 igu_sb_id, igu_seg_id);
4060 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4061 igu_sb_id, igu_seg_id);
4063 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4065 /* write indecies to HW */
4066 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4069 static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4070 u8 sb_index, u8 disable, u16 usec)
4072 int port = BP_PORT(bp);
4073 u8 ticks = usec / BNX2X_BTR;
4075 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4077 disable = disable ? 1 : (usec ? 0 : 1);
4078 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4081 static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4082 u16 tx_usec, u16 rx_usec)
4084 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4086 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4090 static void bnx2x_init_def_sb(struct bnx2x *bp)
4092 struct host_sp_status_block *def_sb = bp->def_status_blk;
4093 dma_addr_t mapping = bp->def_status_blk_mapping;
4094 int igu_sp_sb_index;
4096 int port = BP_PORT(bp);
4097 int func = BP_FUNC(bp);
4101 struct hc_sp_status_block_data sp_sb_data;
4102 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4104 if (CHIP_INT_MODE_IS_BC(bp)) {
4105 igu_sp_sb_index = DEF_SB_IGU_ID;
4106 igu_seg_id = HC_SEG_ACCESS_DEF;
4108 igu_sp_sb_index = bp->igu_dsb_id;
4109 igu_seg_id = IGU_SEG_ACCESS_DEF;
4113 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4114 atten_status_block);
4115 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
4119 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4120 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4121 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4123 /* take care of sig[0]..sig[4] */
4124 for (sindex = 0; sindex < 4; sindex++)
4125 bp->attn_group[index].sig[sindex] =
4126 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
4130 * enable5 is separate from the rest of the registers,
4131 * and therefore the address skip is 4
4132 * and not 16 between the different groups
4134 bp->attn_group[index].sig[4] = REG_RD(bp,
4135 reg_offset + 0x10 + 0x4*index);
4137 bp->attn_group[index].sig[4] = 0;
4140 if (bp->common.int_block == INT_BLOCK_HC) {
4141 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4142 HC_REG_ATTN_MSG0_ADDR_L);
4144 REG_WR(bp, reg_offset, U64_LO(section));
4145 REG_WR(bp, reg_offset + 4, U64_HI(section));
4146 } else if (CHIP_IS_E2(bp)) {
4147 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4148 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4151 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4154 bnx2x_zero_sp_sb(bp);
4156 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4157 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4158 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4159 sp_sb_data.igu_seg_id = igu_seg_id;
4160 sp_sb_data.p_func.pf_id = func;
4161 sp_sb_data.p_func.vnic_id = BP_VN(bp);
4162 sp_sb_data.p_func.vf_id = 0xff;
4164 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4166 bp->stats_pending = 0;
4167 bp->set_mac_pending = 0;
4169 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
4172 void bnx2x_update_coalesce(struct bnx2x *bp)
4176 for_each_eth_queue(bp, i)
4177 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4178 bp->tx_ticks, bp->rx_ticks);
4181 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4183 spin_lock_init(&bp->spq_lock);
4184 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
4186 bp->spq_prod_idx = 0;
4187 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4188 bp->spq_prod_bd = bp->spq;
4189 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4192 static void bnx2x_init_eq_ring(struct bnx2x *bp)
4195 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4196 union event_ring_elem *elem =
4197 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
4199 elem->next_page.addr.hi =
4200 cpu_to_le32(U64_HI(bp->eq_mapping +
4201 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4202 elem->next_page.addr.lo =
4203 cpu_to_le32(U64_LO(bp->eq_mapping +
4204 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
4207 bp->eq_prod = NUM_EQ_DESC;
4208 bp->eq_cons_sb = BNX2X_EQ_INDEX;
4209 /* we want a warning message before it gets rought... */
4210 atomic_set(&bp->eq_spq_left,
4211 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
4214 void bnx2x_push_indir_table(struct bnx2x *bp)
4216 int func = BP_FUNC(bp);
4219 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
4222 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4223 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4224 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4225 bp->fp->cl_id + bp->rx_indir_table[i]);
4228 static void bnx2x_init_ind_table(struct bnx2x *bp)
4232 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4233 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4235 bnx2x_push_indir_table(bp);
4238 void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4240 int mode = bp->rx_mode;
4241 int port = BP_PORT(bp);
4243 u32 def_q_filters = 0;
4245 /* All but management unicast packets should pass to the host as well */
4247 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4248 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4249 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4250 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
4253 case BNX2X_RX_MODE_NONE: /* no Rx */
4254 def_q_filters = BNX2X_ACCEPT_NONE;
4257 cl_id = bnx2x_fcoe(bp, cl_id);
4258 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4263 case BNX2X_RX_MODE_NORMAL:
4264 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4265 BNX2X_ACCEPT_MULTICAST;
4268 cl_id = bnx2x_fcoe(bp, cl_id);
4269 bnx2x_rxq_set_mac_filters(bp, cl_id,
4270 BNX2X_ACCEPT_UNICAST |
4271 BNX2X_ACCEPT_MULTICAST);
4276 case BNX2X_RX_MODE_ALLMULTI:
4277 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4278 BNX2X_ACCEPT_ALL_MULTICAST;
4281 * Prevent duplication of multicast packets by configuring FCoE
4282 * L2 Client to receive only matched unicast frames.
4285 cl_id = bnx2x_fcoe(bp, cl_id);
4286 bnx2x_rxq_set_mac_filters(bp, cl_id,
4287 BNX2X_ACCEPT_UNICAST);
4292 case BNX2X_RX_MODE_PROMISC:
4293 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4296 * Prevent packets duplication by configuring DROP_ALL for FCoE
4300 cl_id = bnx2x_fcoe(bp, cl_id);
4301 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4304 /* pass management unicast packets as well */
4305 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
4309 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4313 cl_id = BP_L_ID(bp);
4314 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4317 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4318 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
4320 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4321 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
4322 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4323 "unmatched_ucast 0x%x\n", mode,
4324 bp->mac_filters.ucast_drop_all,
4325 bp->mac_filters.mcast_drop_all,
4326 bp->mac_filters.bcast_drop_all,
4327 bp->mac_filters.ucast_accept_all,
4328 bp->mac_filters.mcast_accept_all,
4329 bp->mac_filters.bcast_accept_all,
4330 bp->mac_filters.unmatched_unicast
4333 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
4336 static void bnx2x_init_internal_common(struct bnx2x *bp)
4340 if (!CHIP_IS_E1(bp)) {
4342 /* xstorm needs to know whether to add ovlan to packets or not,
4343 * in switch-independent we'll write 0 to here... */
4344 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4346 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4348 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4350 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4356 * In switch independent mode, the TSTORM needs to accept
4357 * packets that failed classification, since approximate match
4358 * mac addresses aren't written to NIG LLH
4360 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4361 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4363 /* Zero this manually as its initialization is
4364 currently missing in the initTool */
4365 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4366 REG_WR(bp, BAR_USTRORM_INTMEM +
4367 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4368 if (CHIP_IS_E2(bp)) {
4369 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4370 CHIP_INT_MODE_IS_BC(bp) ?
4371 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4375 static void bnx2x_init_internal_port(struct bnx2x *bp)
4378 bnx2x_dcb_init_intmem_pfc(bp);
4381 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4383 switch (load_code) {
4384 case FW_MSG_CODE_DRV_LOAD_COMMON:
4385 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4386 bnx2x_init_internal_common(bp);
4389 case FW_MSG_CODE_DRV_LOAD_PORT:
4390 bnx2x_init_internal_port(bp);
4393 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4394 /* internal memory per function is
4395 initialized inside bnx2x_pf_init */
4399 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4404 static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4406 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4408 fp->state = BNX2X_FP_STATE_CLOSED;
4411 fp->cl_id = BP_L_ID(bp) + fp_idx;
4412 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4413 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4414 /* qZone id equals to FW (per path) client id */
4415 fp->cl_qzone_id = fp->cl_id +
4416 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4417 ETH_MAX_RX_CLIENTS_E1H);
4419 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4420 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4421 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4422 /* Setup SB indicies */
4423 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4424 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4426 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4427 "cl_id %d fw_sb %d igu_sb %d\n",
4428 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4430 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4431 fp->fw_sb_id, fp->igu_sb_id);
4433 bnx2x_update_fpsb_idx(fp);
4436 void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4440 for_each_eth_queue(bp, i)
4441 bnx2x_init_fp_sb(bp, i);
4444 bnx2x_init_fcoe_fp(bp);
4446 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4447 BNX2X_VF_ID_INVALID, false,
4448 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4452 /* Initialize MOD_ABS interrupts */
4453 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
4454 bp->common.shmem_base, bp->common.shmem2_base,
4456 /* ensure status block indices were read */
4459 bnx2x_init_def_sb(bp);
4460 bnx2x_update_dsb_idx(bp);
4461 bnx2x_init_rx_rings(bp);
4462 bnx2x_init_tx_rings(bp);
4463 bnx2x_init_sp_ring(bp);
4464 bnx2x_init_eq_ring(bp);
4465 bnx2x_init_internal(bp, load_code);
4467 bnx2x_init_ind_table(bp);
4468 bnx2x_stats_init(bp);
4470 /* flush all before enabling interrupts */
4474 bnx2x_int_enable(bp);
4476 /* Check for SPIO5 */
4477 bnx2x_attn_int_deasserted0(bp,
4478 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4479 AEU_INPUTS_ATTN_BITS_SPIO5);
4482 /* end of nic init */
4485 * gzip service functions
4488 static int bnx2x_gunzip_init(struct bnx2x *bp)
4490 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4491 &bp->gunzip_mapping, GFP_KERNEL);
4492 if (bp->gunzip_buf == NULL)
4495 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4496 if (bp->strm == NULL)
4499 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4501 if (bp->strm->workspace == NULL)
4511 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4512 bp->gunzip_mapping);
4513 bp->gunzip_buf = NULL;
4516 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4517 " un-compression\n");
4521 static void bnx2x_gunzip_end(struct bnx2x *bp)
4524 kfree(bp->strm->workspace);
4529 if (bp->gunzip_buf) {
4530 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4531 bp->gunzip_mapping);
4532 bp->gunzip_buf = NULL;
4536 static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
4540 /* check gzip header */
4541 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4542 BNX2X_ERR("Bad gzip header\n");
4550 if (zbuf[3] & FNAME)
4551 while ((zbuf[n++] != 0) && (n < len));
4553 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
4554 bp->strm->avail_in = len - n;
4555 bp->strm->next_out = bp->gunzip_buf;
4556 bp->strm->avail_out = FW_BUF_SIZE;
4558 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4562 rc = zlib_inflate(bp->strm, Z_FINISH);
4563 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4564 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4567 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4568 if (bp->gunzip_outlen & 0x3)
4569 netdev_err(bp->dev, "Firmware decompression error:"
4570 " gunzip_outlen (%d) not aligned\n",
4572 bp->gunzip_outlen >>= 2;
4574 zlib_inflateEnd(bp->strm);
4576 if (rc == Z_STREAM_END)
4582 /* nic load/unload */
4585 * General service functions
4588 /* send a NIG loopback debug packet */
4589 static void bnx2x_lb_pckt(struct bnx2x *bp)
4593 /* Ethernet source and destination addresses */
4594 wb_write[0] = 0x55555555;
4595 wb_write[1] = 0x55555555;
4596 wb_write[2] = 0x20; /* SOP */
4597 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4599 /* NON-IP protocol */
4600 wb_write[0] = 0x09000000;
4601 wb_write[1] = 0x55555555;
4602 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
4603 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4606 /* some of the internal memories
4607 * are not directly readable from the driver
4608 * to test them we send debug packets
4610 static int bnx2x_int_mem_test(struct bnx2x *bp)
4616 if (CHIP_REV_IS_FPGA(bp))
4618 else if (CHIP_REV_IS_EMUL(bp))
4623 /* Disable inputs of parser neighbor blocks */
4624 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4625 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4626 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4627 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4629 /* Write 0 to parser credits for CFC search request */
4630 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4632 /* send Ethernet packet */
4635 /* TODO do i reset NIG statistic? */
4636 /* Wait until NIG register shows 1 packet of size 0x10 */
4637 count = 1000 * factor;
4640 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4641 val = *bnx2x_sp(bp, wb_data[0]);
4649 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4653 /* Wait until PRS register shows 1 packet */
4654 count = 1000 * factor;
4656 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4664 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4668 /* Reset and init BRB, PRS */
4669 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4671 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4673 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4674 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4676 DP(NETIF_MSG_HW, "part2\n");
4678 /* Disable inputs of parser neighbor blocks */
4679 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4680 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4681 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4682 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4684 /* Write 0 to parser credits for CFC search request */
4685 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4687 /* send 10 Ethernet packets */
4688 for (i = 0; i < 10; i++)
4691 /* Wait until NIG register shows 10 + 1
4692 packets of size 11*0x10 = 0xb0 */
4693 count = 1000 * factor;
4696 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4697 val = *bnx2x_sp(bp, wb_data[0]);
4705 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4709 /* Wait until PRS register shows 2 packets */
4710 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4712 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4714 /* Write 1 to parser credits for CFC search request */
4715 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4717 /* Wait until PRS register shows 3 packets */
4718 msleep(10 * factor);
4719 /* Wait until NIG register shows 1 packet of size 0x10 */
4720 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4722 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4724 /* clear NIG EOP FIFO */
4725 for (i = 0; i < 11; i++)
4726 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4727 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4729 BNX2X_ERR("clear of NIG failed\n");
4733 /* Reset and init BRB, PRS, NIG */
4734 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4736 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4738 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4739 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4742 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4745 /* Enable inputs of parser neighbor blocks */
4746 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4747 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4748 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
4749 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
4751 DP(NETIF_MSG_HW, "done\n");
4756 static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
4758 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
4760 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4762 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
4763 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4764 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
4766 * mask read length error interrupts in brb for parser
4767 * (parsing unit and 'checksum and crc' unit)
4768 * these errors are legal (PU reads fixed length and CAC can cause
4769 * read length error on truncated packets)
4771 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
4772 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4773 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4774 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4775 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4776 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
4777 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4778 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
4779 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4780 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4781 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
4782 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4783 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
4784 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4785 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4786 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4787 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
4788 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4789 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
4791 if (CHIP_REV_IS_FPGA(bp))
4792 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
4793 else if (CHIP_IS_E2(bp))
4794 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4795 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4796 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4797 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4798 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4799 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
4801 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
4802 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4803 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4804 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
4805 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4806 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
4807 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4808 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4809 /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4810 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
4813 static void bnx2x_reset_common(struct bnx2x *bp)
4816 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4818 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4821 static void bnx2x_init_pxp(struct bnx2x *bp)
4824 int r_order, w_order;
4826 pci_read_config_word(bp->pdev,
4827 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4828 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4829 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4831 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4833 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4837 bnx2x_init_pxp_arb(bp, r_order, w_order);
4840 static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4850 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4851 SHARED_HW_CFG_FAN_FAILURE_MASK;
4853 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4857 * The fan failure mechanism is usually related to the PHY type since
4858 * the power consumption of the board is affected by the PHY. Currently,
4859 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4861 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4862 for (port = PORT_0; port < PORT_MAX; port++) {
4864 bnx2x_fan_failure_det_req(
4866 bp->common.shmem_base,
4867 bp->common.shmem2_base,
4871 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4873 if (is_required == 0)
4876 /* Fan failure is indicated by SPIO 5 */
4877 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4878 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4880 /* set to active low mode */
4881 val = REG_RD(bp, MISC_REG_SPIO_INT);
4882 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
4883 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
4884 REG_WR(bp, MISC_REG_SPIO_INT, val);
4886 /* enable interrupt to signal the IGU */
4887 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4888 val |= (1 << MISC_REGISTERS_SPIO_5);
4889 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4892 static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4898 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4901 switch (BP_ABS_FUNC(bp)) {
4903 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4906 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4909 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4912 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4915 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4918 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4921 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4924 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4930 REG_WR(bp, offset, pretend_func_num);
4932 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4935 static void bnx2x_pf_disable(struct bnx2x *bp)
4937 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4938 val &= ~IGU_PF_CONF_FUNC_EN;
4940 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4941 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4942 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4945 static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
4949 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
4951 bnx2x_reset_common(bp);
4952 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4953 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4955 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
4956 if (!CHIP_IS_E1(bp))
4957 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
4959 if (CHIP_IS_E2(bp)) {
4963 * 4-port mode or 2-port mode we need to turn of master-enable
4964 * for everyone, after that, turn it back on for self.
4965 * so, we disregard multi-function or not, and always disable
4966 * for all functions on the given path, this means 0,2,4,6 for
4967 * path 0 and 1,3,5,7 for path 1
4969 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4970 if (fid == BP_ABS_FUNC(bp)) {
4972 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4977 bnx2x_pretend_func(bp, fid);
4978 /* clear pf enable */
4979 bnx2x_pf_disable(bp);
4980 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4984 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
4985 if (CHIP_IS_E1(bp)) {
4986 /* enable HW interrupt from PXP on USDM overflow
4987 bit 16 on INT_MASK_0 */
4988 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
4991 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
4995 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4996 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4997 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4998 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
4999 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5000 /* make sure this value is 0 */
5001 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
5003 /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5004 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5005 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5006 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5007 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5010 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5012 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5013 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5015 /* let the HW do it's magic ... */
5017 /* finish PXP init */
5018 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5020 BNX2X_ERR("PXP2 CFG failed\n");
5023 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5025 BNX2X_ERR("PXP2 RD_INIT failed\n");
5029 /* Timers bug workaround E2 only. We need to set the entire ILT to
5030 * have entries with value "0" and valid bit on.
5031 * This needs to be done by the first PF that is loaded in a path
5032 * (i.e. common phase)
5034 if (CHIP_IS_E2(bp)) {
5035 struct ilt_client_info ilt_cli;
5036 struct bnx2x_ilt ilt;
5037 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5038 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5040 /* initialize dummy TM client */
5042 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5043 ilt_cli.client_num = ILT_CLIENT_TM;
5045 /* Step 1: set zeroes to all ilt page entries with valid bit on
5046 * Step 2: set the timers first/last ilt entry to point
5047 * to the entire range to prevent ILT range error for 3rd/4th
5048 * vnic (this code assumes existence of the vnic)
5050 * both steps performed by call to bnx2x_ilt_client_init_op()
5051 * with dummy TM client
5053 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5054 * and his brother are split registers
5056 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5057 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5058 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5060 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5061 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5062 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5066 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5067 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5069 if (CHIP_IS_E2(bp)) {
5070 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5071 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5072 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5074 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5076 /* let the HW do it's magic ... */
5079 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5080 } while (factor-- && (val != 1));
5083 BNX2X_ERR("ATC_INIT failed\n");
5088 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
5090 /* clean the DMAE memory */
5092 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5094 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5095 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5096 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5097 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
5099 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5100 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5101 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5102 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5104 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5106 if (CHIP_MODE_IS_4_PORT(bp))
5107 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
5109 /* QM queues pointers table */
5110 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
5112 /* soft reset pulse */
5113 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5114 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5117 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
5120 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5121 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5123 if (!CHIP_REV_IS_SLOW(bp)) {
5124 /* enable hw interrupt from doorbell Q */
5125 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5128 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
5129 if (CHIP_MODE_IS_4_PORT(bp)) {
5130 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5131 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5134 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5135 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5138 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5140 if (!CHIP_IS_E1(bp))
5141 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
5143 if (CHIP_IS_E2(bp)) {
5144 /* Bit-map indicating which L2 hdrs may appear after the
5145 basic Ethernet header */
5146 int has_ovlan = IS_MF_SD(bp);
5147 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5148 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5151 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5152 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5153 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5154 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
5156 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5157 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5158 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5159 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5161 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5162 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5163 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5164 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
5166 if (CHIP_MODE_IS_4_PORT(bp))
5167 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5170 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5172 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5175 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5176 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5177 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
5179 if (CHIP_IS_E2(bp)) {
5180 int has_ovlan = IS_MF_SD(bp);
5181 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5182 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5185 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5186 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5187 REG_WR(bp, i, random32());
5189 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5191 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5192 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5193 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5194 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5195 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5196 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5197 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5198 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5199 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5200 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5202 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5204 if (sizeof(union cdu_context) != 1024)
5205 /* we currently assume that a context is 1024 bytes */
5206 dev_alert(&bp->pdev->dev, "please adjust the size "
5207 "of cdu_context(%ld)\n",
5208 (long)sizeof(union cdu_context));
5210 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5211 val = (4 << 24) + (0 << 12) + 1024;
5212 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5214 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5215 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5216 /* enable context validation interrupt from CFC */
5217 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5219 /* set the thresholds to prevent CFC/CDU race */
5220 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
5222 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
5224 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5225 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5227 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5228 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
5230 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5231 /* Reset PCIE errors for debug */
5232 REG_WR(bp, 0x2814, 0xffffffff);
5233 REG_WR(bp, 0x3820, 0xffffffff);
5235 if (CHIP_IS_E2(bp)) {
5236 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5237 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5238 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5239 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5240 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5241 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5242 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5243 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5244 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5245 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5246 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5249 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
5250 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
5251 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
5252 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
5254 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
5255 if (!CHIP_IS_E1(bp)) {
5256 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
5257 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
5259 if (CHIP_IS_E2(bp)) {
5260 /* Bit-map indicating which L2 hdrs may appear after the
5261 basic Ethernet header */
5262 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
5265 if (CHIP_REV_IS_SLOW(bp))
5268 /* finish CFC init */
5269 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5271 BNX2X_ERR("CFC LL_INIT failed\n");
5274 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5276 BNX2X_ERR("CFC AC_INIT failed\n");
5279 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5281 BNX2X_ERR("CFC CAM_INIT failed\n");
5284 REG_WR(bp, CFC_REG_DEBUG0, 0);
5286 if (CHIP_IS_E1(bp)) {
5287 /* read NIG statistic
5288 to see if this is our first up since powerup */
5289 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5290 val = *bnx2x_sp(bp, wb_data[0]);
5292 /* do internal memory self test */
5293 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5294 BNX2X_ERR("internal mem self test failed\n");
5299 bnx2x_setup_fan_failure_detection(bp);
5301 /* clear PXP2 attentions */
5302 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5304 bnx2x_enable_blocks_attention(bp);
5305 if (CHIP_PARITY_ENABLED(bp))
5306 bnx2x_enable_blocks_parity(bp);
5308 if (!BP_NOMCP(bp)) {
5309 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5310 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5312 u32 shmem_base[2], shmem2_base[2];
5313 shmem_base[0] = bp->common.shmem_base;
5314 shmem2_base[0] = bp->common.shmem2_base;
5315 if (CHIP_IS_E2(bp)) {
5317 SHMEM2_RD(bp, other_shmem_base_addr);
5319 SHMEM2_RD(bp, other_shmem2_base_addr);
5321 bnx2x_acquire_phy_lock(bp);
5322 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5323 bp->common.chip_id);
5324 bnx2x_release_phy_lock(bp);
5327 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5332 static int bnx2x_init_hw_port(struct bnx2x *bp)
5334 int port = BP_PORT(bp);
5335 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5339 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
5341 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5343 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
5344 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
5346 /* Timers bug workaround: disables the pf_master bit in pglue at
5347 * common phase, we need to enable it here before any dmae access are
5348 * attempted. Therefore we manually added the enable-master to the
5349 * port phase (it also happens in the function phase)
5352 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5354 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5355 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5356 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5357 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
5359 /* QM cid (connection) count */
5360 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
5363 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5364 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5365 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
5368 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5370 if (CHIP_MODE_IS_4_PORT(bp))
5371 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
5373 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5374 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5375 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5376 /* no pause for emulation and FPGA */
5381 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5382 else if (bp->dev->mtu > 4096) {
5383 if (bp->flags & ONE_PORT_FLAG)
5387 /* (24*1024 + val*4)/256 */
5388 low = 96 + (val/64) +
5389 ((val % 64) ? 1 : 0);
5392 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5393 high = low + 56; /* 14*1024/256 */
5395 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5396 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5399 if (CHIP_MODE_IS_4_PORT(bp)) {
5400 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5401 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5402 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5403 BRB1_REG_MAC_GUARANTIED_0), 40);
5406 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
5408 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
5409 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
5410 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
5411 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
5413 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5414 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5415 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5416 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
5417 if (CHIP_MODE_IS_4_PORT(bp))
5418 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
5420 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
5421 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5423 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
5425 if (!CHIP_IS_E2(bp)) {
5426 /* configure PBF to work without PAUSE mtu 9000 */
5427 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5429 /* update threshold */
5430 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5431 /* update init credit */
5432 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5435 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5437 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5441 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
5443 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
5444 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5446 if (CHIP_IS_E1(bp)) {
5447 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5448 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5450 bnx2x_init_block(bp, HC_BLOCK, init_stage);
5452 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5454 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5455 /* init aeu_mask_attn_func_0/1:
5456 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5457 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5458 * bits 4-7 are used for "per vn group attention" */
5459 val = IS_MF(bp) ? 0xF7 : 0x7;
5460 /* Enable DCBX attention for all but E1 */
5461 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5462 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
5464 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
5465 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
5466 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
5467 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
5468 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
5470 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5472 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5474 if (!CHIP_IS_E1(bp)) {
5475 /* 0x2 disable mf_ov, 0x1 enable */
5476 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5477 (IS_MF_SD(bp) ? 0x1 : 0x2));
5479 if (CHIP_IS_E2(bp)) {
5481 switch (bp->mf_mode) {
5482 case MULTI_FUNCTION_SD:
5485 case MULTI_FUNCTION_SI:
5490 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5491 NIG_REG_LLH0_CLS_TYPE), val);
5494 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5495 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5496 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5500 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
5501 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5502 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
5503 bp->common.shmem2_base, port)) {
5504 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5505 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5506 val = REG_RD(bp, reg_addr);
5507 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5508 REG_WR(bp, reg_addr, val);
5510 bnx2x__link_reset(bp);
5515 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5520 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5522 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5524 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5527 static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5529 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5532 static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5534 u32 i, base = FUNC_ILT_BASE(func);
5535 for (i = base; i < base + ILT_PER_FUNC; i++)
5536 bnx2x_ilt_wr(bp, i, 0);
5539 static int bnx2x_init_hw_func(struct bnx2x *bp)
5541 int port = BP_PORT(bp);
5542 int func = BP_FUNC(bp);
5543 struct bnx2x_ilt *ilt = BP_ILT(bp);
5546 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5547 int i, main_mem_width;
5549 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
5551 /* set MSI reconfigure capability */
5552 if (bp->common.int_block == INT_BLOCK_HC) {
5553 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5554 val = REG_RD(bp, addr);
5555 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5556 REG_WR(bp, addr, val);
5560 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5562 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5563 ilt->lines[cdu_ilt_start + i].page =
5564 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5565 ilt->lines[cdu_ilt_start + i].page_mapping =
5566 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5567 /* cdu ilt pages are allocated manually so there's no need to
5570 bnx2x_ilt_init_op(bp, INITOP_SET);
5573 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5575 /* T1 hash bits value determines the T1 number of entries */
5576 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
5581 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5582 #endif /* BCM_CNIC */
5584 if (CHIP_IS_E2(bp)) {
5585 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5587 /* Turn on a single ISR mode in IGU if driver is going to use
5590 if (!(bp->flags & USING_MSIX_FLAG))
5591 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5593 * Timers workaround bug: function init part.
5594 * Need to wait 20msec after initializing ILT,
5595 * needed to make sure there are no requests in
5596 * one of the PXP internal queues with "old" ILT addresses
5600 * Master enable - Due to WB DMAE writes performed before this
5601 * register is re-initialized as part of the regular function
5604 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5605 /* Enable the function in IGU */
5606 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5611 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5614 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5616 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5617 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5618 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5619 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5620 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5621 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5622 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5623 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5624 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5626 if (CHIP_IS_E2(bp)) {
5627 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5629 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5633 if (CHIP_MODE_IS_4_PORT(bp))
5634 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5637 REG_WR(bp, QM_REG_PF_EN, 1);
5639 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
5641 if (CHIP_MODE_IS_4_PORT(bp))
5642 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5644 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5645 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5646 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5647 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5648 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5649 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5650 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5651 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5652 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5653 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5654 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
5656 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5658 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5660 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5663 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5666 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5667 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5670 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5672 /* HC init per function */
5673 if (bp->common.int_block == INT_BLOCK_HC) {
5674 if (CHIP_IS_E1H(bp)) {
5675 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5677 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5678 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5680 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5683 int num_segs, sb_idx, prod_offset;
5685 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5687 if (CHIP_IS_E2(bp)) {
5688 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5689 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5692 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5694 if (CHIP_IS_E2(bp)) {
5698 * E2 mode: address 0-135 match to the mapping memory;
5699 * 136 - PF0 default prod; 137 - PF1 default prod;
5700 * 138 - PF2 default prod; 139 - PF3 default prod;
5701 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5702 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5705 * E1.5 mode - In backward compatible mode;
5706 * for non default SB; each even line in the memory
5707 * holds the U producer and each odd line hold
5708 * the C producer. The first 128 producers are for
5709 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5710 * producers are for the DSB for each PF.
5711 * Each PF has five segments: (the order inside each
5712 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5713 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5714 * 144-147 attn prods;
5716 /* non-default-status-blocks */
5717 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5718 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5719 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5720 prod_offset = (bp->igu_base_sb + sb_idx) *
5723 for (i = 0; i < num_segs; i++) {
5724 addr = IGU_REG_PROD_CONS_MEMORY +
5725 (prod_offset + i) * 4;
5726 REG_WR(bp, addr, 0);
5728 /* send consumer update with value 0 */
5729 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5730 USTORM_ID, 0, IGU_INT_NOP, 1);
5731 bnx2x_igu_clear_sb(bp,
5732 bp->igu_base_sb + sb_idx);
5735 /* default-status-blocks */
5736 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5737 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5739 if (CHIP_MODE_IS_4_PORT(bp))
5740 dsb_idx = BP_FUNC(bp);
5742 dsb_idx = BP_E1HVN(bp);
5744 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5745 IGU_BC_BASE_DSB_PROD + dsb_idx :
5746 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5748 for (i = 0; i < (num_segs * E1HVN_MAX);
5750 addr = IGU_REG_PROD_CONS_MEMORY +
5751 (prod_offset + i)*4;
5752 REG_WR(bp, addr, 0);
5754 /* send consumer update with 0 */
5755 if (CHIP_INT_MODE_IS_BC(bp)) {
5756 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5757 USTORM_ID, 0, IGU_INT_NOP, 1);
5758 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5759 CSTORM_ID, 0, IGU_INT_NOP, 1);
5760 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5761 XSTORM_ID, 0, IGU_INT_NOP, 1);
5762 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5763 TSTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5765 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5767 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5768 USTORM_ID, 0, IGU_INT_NOP, 1);
5769 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5770 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5772 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5774 /* !!! these should become driver const once
5775 rf-tool supports split-68 const */
5776 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5777 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5778 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5779 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5780 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5781 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5785 /* Reset PCIE errors for debug */
5786 REG_WR(bp, 0x2114, 0xffffffff);
5787 REG_WR(bp, 0x2120, 0xffffffff);
5789 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5790 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5791 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5792 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5793 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5794 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5796 if (CHIP_IS_E1x(bp)) {
5797 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5798 main_mem_base = HC_REG_MAIN_MEMORY +
5799 BP_PORT(bp) * (main_mem_size * 4);
5800 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5803 val = REG_RD(bp, main_mem_prty_clr);
5805 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5807 "function init (0x%x)!\n", val);
5809 /* Clear "false" parity errors in MSI-X table */
5810 for (i = main_mem_base;
5811 i < main_mem_base + main_mem_size * 4;
5812 i += main_mem_width) {
5813 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5814 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5815 i, main_mem_width / 4);
5817 /* Clear HC parity attention */
5818 REG_RD(bp, main_mem_prty_clr);
5821 bnx2x_phy_probe(&bp->link_params);
5826 int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5830 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5831 BP_ABS_FUNC(bp), load_code);
5834 spin_lock_init(&bp->dmae_lock);
5836 switch (load_code) {
5837 case FW_MSG_CODE_DRV_LOAD_COMMON:
5838 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5839 rc = bnx2x_init_hw_common(bp, load_code);
5844 case FW_MSG_CODE_DRV_LOAD_PORT:
5845 rc = bnx2x_init_hw_port(bp);
5850 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5851 rc = bnx2x_init_hw_func(bp);
5857 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5861 if (!BP_NOMCP(bp)) {
5862 int mb_idx = BP_FW_MB_IDX(bp);
5864 bp->fw_drv_pulse_wr_seq =
5865 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
5866 DRV_PULSE_SEQ_MASK);
5867 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5871 bnx2x_gunzip_end(bp);
5876 void bnx2x_free_mem(struct bnx2x *bp)
5878 bnx2x_gunzip_end(bp);
5881 bnx2x_free_fp_mem(bp);
5882 /* end of fastpath */
5884 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5885 sizeof(struct host_sp_status_block));
5887 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5888 sizeof(struct bnx2x_slowpath));
5890 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5893 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5895 BNX2X_FREE(bp->ilt->lines);
5899 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5900 sizeof(struct host_hc_status_block_e2));
5902 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5903 sizeof(struct host_hc_status_block_e1x));
5905 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
5908 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5910 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5911 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5913 BNX2X_FREE(bp->rx_indir_table);
5917 int bnx2x_alloc_mem(struct bnx2x *bp)
5919 if (bnx2x_gunzip_init(bp))
5924 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5925 sizeof(struct host_hc_status_block_e2));
5927 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5928 sizeof(struct host_hc_status_block_e1x));
5930 /* allocate searcher T2 table */
5931 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5935 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5936 sizeof(struct host_sp_status_block));
5938 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5939 sizeof(struct bnx2x_slowpath));
5941 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
5943 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5946 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
5948 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5951 /* Slow path ring */
5952 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5955 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5956 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5958 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
5959 TSTORM_INDIRECTION_TABLE_SIZE);
5962 /* need to be done at the end, since it's self adjusting to amount
5963 * of memory available for RSS queues
5965 if (bnx2x_alloc_fp_mem(bp))
5975 * Init service functions
5977 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
5978 int *state_p, int flags);
5980 int bnx2x_func_start(struct bnx2x *bp)
5982 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
5984 /* Wait for completion */
5985 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
5986 WAIT_RAMROD_COMMON);
5989 static int bnx2x_func_stop(struct bnx2x *bp)
5991 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
5993 /* Wait for completion */
5994 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
5995 0, &(bp->state), WAIT_RAMROD_COMMON);
5999 * bnx2x_set_mac_addr_gen - set a MAC in a CAM for a few L2 Clients for E1x chips
6001 * @bp: driver handle
6002 * @set: set or clear an entry (1 or 0)
6003 * @mac: pointer to a buffer containing a MAC
6004 * @cl_bit_vec: bit vector of clients to register a MAC for
6005 * @cam_offset: offset in a CAM to use
6006 * @is_bcast: is the set MAC a broadcast address (for E1 only)
6008 static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
6009 u32 cl_bit_vec, u8 cam_offset,
6012 struct mac_configuration_cmd *config =
6013 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6014 int ramrod_flags = WAIT_RAMROD_COMMON;
6016 bp->set_mac_pending = 1;
6018 config->hdr.length = 1;
6019 config->hdr.offset = cam_offset;
6020 config->hdr.client_id = 0xff;
6021 /* Mark the single MAC configuration ramrod as opposed to a
6022 * UC/MC list configuration).
6024 config->hdr.echo = 1;
6027 config->config_table[0].msb_mac_addr =
6028 swab16(*(u16 *)&mac[0]);
6029 config->config_table[0].middle_mac_addr =
6030 swab16(*(u16 *)&mac[2]);
6031 config->config_table[0].lsb_mac_addr =
6032 swab16(*(u16 *)&mac[4]);
6033 config->config_table[0].clients_bit_vector =
6034 cpu_to_le32(cl_bit_vec);
6035 config->config_table[0].vlan_id = 0;
6036 config->config_table[0].pf_id = BP_FUNC(bp);
6038 SET_FLAG(config->config_table[0].flags,
6039 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6040 T_ETH_MAC_COMMAND_SET);
6042 SET_FLAG(config->config_table[0].flags,
6043 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6044 T_ETH_MAC_COMMAND_INVALIDATE);
6047 SET_FLAG(config->config_table[0].flags,
6048 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6050 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
6051 (set ? "setting" : "clearing"),
6052 config->config_table[0].msb_mac_addr,
6053 config->config_table[0].middle_mac_addr,
6054 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6058 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6059 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6060 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6062 /* Wait for a completion */
6063 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
6066 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6067 int *state_p, int flags)
6069 /* can take a while if any port is running */
6071 u8 poll = flags & WAIT_RAMROD_POLL;
6072 u8 common = flags & WAIT_RAMROD_COMMON;
6074 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6075 poll ? "polling" : "waiting", state, idx);
6083 bnx2x_rx_int(bp->fp, 10);
6084 /* if index is different from 0
6085 * the reply for some commands will
6086 * be on the non default queue
6089 bnx2x_rx_int(&bp->fp[idx], 10);
6093 mb(); /* state is changed by bnx2x_sp_event() */
6094 if (*state_p == state) {
6095 #ifdef BNX2X_STOP_ON_ERROR
6096 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6108 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6109 poll ? "polling" : "waiting", state, idx);
6110 #ifdef BNX2X_STOP_ON_ERROR
6117 static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6119 if (CHIP_IS_E1H(bp))
6120 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6121 else if (CHIP_MODE_IS_4_PORT(bp))
6122 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
6124 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
6128 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6129 * relevant. In addition, current implementation is tuned for a
6133 LLH_CAM_ISCSI_ETH_LINE = 0,
6135 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6138 static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6140 unsigned char *dev_addr,
6144 u32 mem_offset, ena_offset, mem_index;
6147 * 0..7 - goes to MEM
6148 * 8..15 - goes to MEM2
6151 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6154 /* calculate memory start offset according to the mapping
6155 * and index in the memory */
6156 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6157 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6158 NIG_REG_LLH0_FUNC_MEM;
6159 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6160 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6163 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6164 NIG_REG_P0_LLH_FUNC_MEM2;
6165 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6166 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6167 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6171 /* LLH_FUNC_MEM is a u64 WB register */
6172 mem_offset += 8*mem_index;
6174 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6175 (dev_addr[4] << 8) | dev_addr[5]);
6176 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6178 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6181 /* enable/disable the entry */
6182 REG_WR(bp, ena_offset + 4*mem_index, set);
6186 void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
6188 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6189 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6191 /* networking MAC */
6192 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6193 (1 << bp->fp->cl_id), cam_offset , 0);
6195 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6197 if (CHIP_IS_E1(bp)) {
6199 static const u8 bcast[ETH_ALEN] = {
6200 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6202 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6206 static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6208 return CHIP_REV_IS_SLOW(bp) ?
6209 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6210 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6213 /* set mc list, do not wait as wait implies sleep and
6214 * set_rx_mode can be invoked from non-sleepable context.
6216 * Instead we use the same ramrod data buffer each time we need
6217 * to configure a list of addresses, and use the fact that the
6218 * list of MACs is changed in an incremental way and that the
6219 * function is called under the netif_addr_lock. A temporary
6220 * inconsistent CAM configuration (possible in case of a very fast
6221 * sequence of add/del/add on the host side) will shortly be
6222 * restored by the handler of the last ramrod.
6224 static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
6227 struct net_device *dev = bp->dev;
6228 u8 offset = bnx2x_e1_cam_mc_offset(bp);
6229 struct netdev_hw_addr *ha;
6230 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6231 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6233 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6236 netdev_for_each_mc_addr(ha, dev) {
6238 config_cmd->config_table[i].msb_mac_addr =
6239 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6240 config_cmd->config_table[i].middle_mac_addr =
6241 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6242 config_cmd->config_table[i].lsb_mac_addr =
6243 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6245 config_cmd->config_table[i].vlan_id = 0;
6246 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6247 config_cmd->config_table[i].clients_bit_vector =
6248 cpu_to_le32(1 << BP_L_ID(bp));
6250 SET_FLAG(config_cmd->config_table[i].flags,
6251 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6252 T_ETH_MAC_COMMAND_SET);
6255 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6256 config_cmd->config_table[i].msb_mac_addr,
6257 config_cmd->config_table[i].middle_mac_addr,
6258 config_cmd->config_table[i].lsb_mac_addr);
6261 old = config_cmd->hdr.length;
6263 for (; i < old; i++) {
6264 if (CAM_IS_INVALID(config_cmd->
6266 /* already invalidated */
6270 SET_FLAG(config_cmd->config_table[i].flags,
6271 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6272 T_ETH_MAC_COMMAND_INVALIDATE);
6278 config_cmd->hdr.length = i;
6279 config_cmd->hdr.offset = offset;
6280 config_cmd->hdr.client_id = 0xff;
6281 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6284 config_cmd->hdr.echo = 0;
6288 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6289 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6292 void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
6295 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6296 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6297 int ramrod_flags = WAIT_RAMROD_COMMON;
6298 u8 offset = bnx2x_e1_cam_mc_offset(bp);
6300 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
6301 SET_FLAG(config_cmd->config_table[i].flags,
6302 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6303 T_ETH_MAC_COMMAND_INVALIDATE);
6307 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6308 config_cmd->hdr.offset = offset;
6309 config_cmd->hdr.client_id = 0xff;
6310 /* We'll wait for a completion this time... */
6311 config_cmd->hdr.echo = 1;
6313 bp->set_mac_pending = 1;
6317 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6318 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6320 /* Wait for a completion */
6321 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6326 /* Accept one or more multicasts */
6327 static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6329 struct net_device *dev = bp->dev;
6330 struct netdev_hw_addr *ha;
6331 u32 mc_filter[MC_HASH_SIZE];
6332 u32 crc, bit, regidx;
6335 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6337 netdev_for_each_mc_addr(ha, dev) {
6338 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6341 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6343 bit = (crc >> 24) & 0xff;
6346 mc_filter[regidx] |= (1 << bit);
6349 for (i = 0; i < MC_HASH_SIZE; i++)
6350 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6356 void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6360 for (i = 0; i < MC_HASH_SIZE; i++)
6361 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6366 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
6368 * @bp: driver handle
6369 * @set: set or clear the CAM entry
6371 * This function will wait until the ramdord completion returns.
6372 * Return 0 if success, -ENODEV if ramrod doesn't return.
6374 static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
6376 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6377 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
6378 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6379 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
6380 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
6381 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
6383 /* Send a SET_MAC ramrod */
6384 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
6387 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
6393 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
6395 * @bp: driver handle
6396 * @set: set or clear the CAM entry
6398 * This function will wait until the ramrod completion returns.
6399 * Returns 0 if success, -ENODEV if ramrod doesn't return.
6401 int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6403 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6405 * CAM allocation for E1H
6406 * eth unicasts: by func number
6407 * iscsi: by func number
6408 * fip unicast: by func number
6409 * fip multicast: by func number
6411 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6412 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6417 int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6419 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6422 * CAM allocation for E1H
6423 * eth unicasts: by func number
6424 * iscsi: by func number
6425 * fip unicast: by func number
6426 * fip multicast: by func number
6428 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6429 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6435 static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6436 struct bnx2x_client_init_params *params,
6438 struct client_init_ramrod_data *data)
6440 /* Clear the buffer */
6441 memset(data, 0, sizeof(*data));
6444 data->general.client_id = params->rxq_params.cl_id;
6445 data->general.statistics_counter_id = params->rxq_params.stat_id;
6446 data->general.statistics_en_flg =
6447 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
6448 data->general.is_fcoe_flg =
6449 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
6450 data->general.activate_flg = activate;
6451 data->general.sp_client_id = params->rxq_params.spcl_id;
6454 data->rx.tpa_en_flg =
6455 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6456 data->rx.vmqueue_mode_en_flg = 0;
6457 data->rx.cache_line_alignment_log_size =
6458 params->rxq_params.cache_line_log;
6459 data->rx.enable_dynamic_hc =
6460 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6461 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6462 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6463 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6465 /* We don't set drop flags */
6466 data->rx.drop_ip_cs_err_flg = 0;
6467 data->rx.drop_tcp_cs_err_flg = 0;
6468 data->rx.drop_ttl0_flg = 0;
6469 data->rx.drop_udp_cs_err_flg = 0;
6471 data->rx.inner_vlan_removal_enable_flg =
6472 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6473 data->rx.outer_vlan_removal_enable_flg =
6474 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6475 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6476 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6477 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6478 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6479 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6480 data->rx.bd_page_base.lo =
6481 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6482 data->rx.bd_page_base.hi =
6483 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6484 data->rx.sge_page_base.lo =
6485 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6486 data->rx.sge_page_base.hi =
6487 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6488 data->rx.cqe_page_base.lo =
6489 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6490 data->rx.cqe_page_base.hi =
6491 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6492 data->rx.is_leading_rss =
6493 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6494 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6497 data->tx.enforce_security_flg = 0; /* VF specific */
6498 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6499 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6500 data->tx.mtu = 0; /* VF specific */
6501 data->tx.tx_bd_page_base.lo =
6502 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6503 data->tx.tx_bd_page_base.hi =
6504 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6506 /* flow control data */
6507 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6508 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6509 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6510 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6511 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6512 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6513 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6515 data->fc.safc_group_num = params->txq_params.cos;
6516 data->fc.safc_group_en_flg =
6517 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
6518 data->fc.traffic_type =
6519 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6520 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
6523 static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6525 /* ustorm cxt validation */
6526 cxt->ustorm_ag_context.cdu_usage =
6527 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6528 ETH_CONNECTION_TYPE);
6529 /* xcontext validation */
6530 cxt->xstorm_ag_context.cdu_reserved =
6531 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6532 ETH_CONNECTION_TYPE);
6535 static int bnx2x_setup_fw_client(struct bnx2x *bp,
6536 struct bnx2x_client_init_params *params,
6538 struct client_init_ramrod_data *data,
6539 dma_addr_t data_mapping)
6542 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6543 int ramrod_flags = 0, rc;
6545 /* HC and context validation values */
6546 hc_usec = params->txq_params.hc_rate ?
6547 1000000 / params->txq_params.hc_rate : 0;
6548 bnx2x_update_coalesce_sb_index(bp,
6549 params->txq_params.fw_sb_id,
6550 params->txq_params.sb_cq_index,
6551 !(params->txq_params.flags & QUEUE_FLG_HC),
6554 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6556 hc_usec = params->rxq_params.hc_rate ?
6557 1000000 / params->rxq_params.hc_rate : 0;
6558 bnx2x_update_coalesce_sb_index(bp,
6559 params->rxq_params.fw_sb_id,
6560 params->rxq_params.sb_cq_index,
6561 !(params->rxq_params.flags & QUEUE_FLG_HC),
6564 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6565 params->rxq_params.cid);
6568 if (params->txq_params.flags & QUEUE_FLG_STATS)
6569 storm_memset_xstats_zero(bp, BP_PORT(bp),
6570 params->txq_params.stat_id);
6572 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6573 storm_memset_ustats_zero(bp, BP_PORT(bp),
6574 params->rxq_params.stat_id);
6575 storm_memset_tstats_zero(bp, BP_PORT(bp),
6576 params->rxq_params.stat_id);
6579 /* Fill the ramrod data */
6580 bnx2x_fill_cl_init_data(bp, params, activate, data);
6584 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6585 * barrier except from mmiowb() is needed to impose a
6586 * proper ordering of memory operations.
6591 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6592 U64_HI(data_mapping), U64_LO(data_mapping), 0);
6594 /* Wait for completion */
6595 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6596 params->ramrod_params.index,
6597 params->ramrod_params.pstate,
6603 * bnx2x_set_int_mode - configure interrupt mode
6605 * @bp: driver handle
6607 * In case of MSI-X it will also try to enable MSI-X.
6609 static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
6613 switch (bp->int_mode) {
6615 bnx2x_enable_msi(bp);
6616 /* falling through... */
6618 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6619 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
6622 /* Set number of queues according to bp->multi_mode value */
6623 bnx2x_set_num_queues(bp);
6625 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6628 /* if we can't use MSI-X we only need one fp,
6629 * so try to enable MSI-X with the requested number of fp's
6630 * and fallback to MSI or legacy INTx with one fp
6632 rc = bnx2x_enable_msix(bp);
6634 /* failed to enable MSI-X */
6637 "Multi requested but failed to "
6638 "enable MSI-X (%d), "
6639 "set number of queues to %d\n",
6641 1 + NONE_ETH_CONTEXT_USE);
6642 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6644 if (!(bp->flags & DISABLE_MSI_FLAG))
6645 bnx2x_enable_msi(bp);
6654 /* must be called prioir to any HW initializations */
6655 static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6657 return L2_ILT_LINES(bp);
6660 void bnx2x_ilt_set_info(struct bnx2x *bp)
6662 struct ilt_client_info *ilt_client;
6663 struct bnx2x_ilt *ilt = BP_ILT(bp);
6666 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6667 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6670 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6671 ilt_client->client_num = ILT_CLIENT_CDU;
6672 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6673 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6674 ilt_client->start = line;
6675 line += L2_ILT_LINES(bp);
6677 line += CNIC_ILT_LINES;
6679 ilt_client->end = line - 1;
6681 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6682 "flags 0x%x, hw psz %d\n",
6685 ilt_client->page_size,
6687 ilog2(ilt_client->page_size >> 12));
6690 if (QM_INIT(bp->qm_cid_count)) {
6691 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6692 ilt_client->client_num = ILT_CLIENT_QM;
6693 ilt_client->page_size = QM_ILT_PAGE_SZ;
6694 ilt_client->flags = 0;
6695 ilt_client->start = line;
6697 /* 4 bytes for each cid */
6698 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6701 ilt_client->end = line - 1;
6703 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6704 "flags 0x%x, hw psz %d\n",
6707 ilt_client->page_size,
6709 ilog2(ilt_client->page_size >> 12));
6713 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6715 ilt_client->client_num = ILT_CLIENT_SRC;
6716 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6717 ilt_client->flags = 0;
6718 ilt_client->start = line;
6719 line += SRC_ILT_LINES;
6720 ilt_client->end = line - 1;
6722 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6723 "flags 0x%x, hw psz %d\n",
6726 ilt_client->page_size,
6728 ilog2(ilt_client->page_size >> 12));
6731 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6735 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6737 ilt_client->client_num = ILT_CLIENT_TM;
6738 ilt_client->page_size = TM_ILT_PAGE_SZ;
6739 ilt_client->flags = 0;
6740 ilt_client->start = line;
6741 line += TM_ILT_LINES;
6742 ilt_client->end = line - 1;
6744 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6745 "flags 0x%x, hw psz %d\n",
6748 ilt_client->page_size,
6750 ilog2(ilt_client->page_size >> 12));
6753 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6757 int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6760 struct bnx2x_client_init_params params = { {0} };
6763 /* reset IGU state skip FCoE L2 queue */
6764 if (!IS_FCOE_FP(fp))
6765 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
6768 params.ramrod_params.pstate = &fp->state;
6769 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6770 params.ramrod_params.index = fp->index;
6771 params.ramrod_params.cid = fp->cid;
6775 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6780 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6782 bnx2x_pf_rx_cl_prep(bp, fp, ¶ms.pause, ¶ms.rxq_params);
6784 bnx2x_pf_tx_cl_prep(bp, fp, ¶ms.txq_params);
6786 rc = bnx2x_setup_fw_client(bp, ¶ms, 1,
6787 bnx2x_sp(bp, client_init_data),
6788 bnx2x_sp_mapping(bp, client_init_data));
6792 static int bnx2x_stop_fw_client(struct bnx2x *bp,
6793 struct bnx2x_client_ramrod_params *p)
6797 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6799 /* halt the connection */
6800 *p->pstate = BNX2X_FP_STATE_HALTING;
6801 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6804 /* Wait for completion */
6805 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6806 p->pstate, poll_flag);
6807 if (rc) /* timeout */
6810 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6811 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6813 /* Wait for completion */
6814 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6815 p->pstate, poll_flag);
6816 if (rc) /* timeout */
6820 /* delete cfc entry */
6821 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
6823 /* Wait for completion */
6824 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6825 p->pstate, WAIT_RAMROD_COMMON);
6829 static int bnx2x_stop_client(struct bnx2x *bp, int index)
6831 struct bnx2x_client_ramrod_params client_stop = {0};
6832 struct bnx2x_fastpath *fp = &bp->fp[index];
6834 client_stop.index = index;
6835 client_stop.cid = fp->cid;
6836 client_stop.cl_id = fp->cl_id;
6837 client_stop.pstate = &(fp->state);
6838 client_stop.poll = 0;
6840 return bnx2x_stop_fw_client(bp, &client_stop);
6844 static void bnx2x_reset_func(struct bnx2x *bp)
6846 int port = BP_PORT(bp);
6847 int func = BP_FUNC(bp);
6849 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
6851 offsetof(struct hc_status_block_data_e2, common) :
6852 offsetof(struct hc_status_block_data_e1x, common));
6853 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6854 int pfid_offset = offsetof(struct pci_entity, pf_id);
6856 /* Disable the function in the FW */
6857 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6858 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6859 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6860 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6863 for_each_eth_queue(bp, i) {
6864 struct bnx2x_fastpath *fp = &bp->fp[i];
6866 BAR_CSTRORM_INTMEM +
6867 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6868 + pfunc_offset_fp + pfid_offset,
6869 HC_FUNCTION_DISABLED);
6874 BAR_CSTRORM_INTMEM +
6875 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6876 pfunc_offset_sp + pfid_offset,
6877 HC_FUNCTION_DISABLED);
6880 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6881 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6885 if (bp->common.int_block == INT_BLOCK_HC) {
6886 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6887 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6889 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6890 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6894 /* Disable Timer scan */
6895 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6897 * Wait for at least 10ms and up to 2 second for the timers scan to
6900 for (i = 0; i < 200; i++) {
6902 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6907 bnx2x_clear_func_ilt(bp, func);
6909 /* Timers workaround bug for E2: if this is vnic-3,
6910 * we need to set the entire ilt range for this timers.
6912 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6913 struct ilt_client_info ilt_cli;
6914 /* use dummy TM client */
6915 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6917 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6918 ilt_cli.client_num = ILT_CLIENT_TM;
6920 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6923 /* this assumes that reset_port() called before reset_func()*/
6925 bnx2x_pf_disable(bp);
6930 static void bnx2x_reset_port(struct bnx2x *bp)
6932 int port = BP_PORT(bp);
6935 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6937 /* Do not rcv packets to BRB */
6938 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6939 /* Do not direct rcv packets that are not for MCP to the BRB */
6940 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6941 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6944 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6947 /* Check for BRB port occupancy */
6948 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6950 DP(NETIF_MSG_IFDOWN,
6951 "BRB1 is not empty %d blocks are occupied\n", val);
6953 /* TODO: Close Doorbell port? */
6956 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6958 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6959 BP_ABS_FUNC(bp), reset_code);
6961 switch (reset_code) {
6962 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6963 bnx2x_reset_port(bp);
6964 bnx2x_reset_func(bp);
6965 bnx2x_reset_common(bp);
6968 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6969 bnx2x_reset_port(bp);
6970 bnx2x_reset_func(bp);
6973 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6974 bnx2x_reset_func(bp);
6978 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6984 static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
6986 if (bp->flags & FCOE_MACS_SET) {
6988 bnx2x_set_fip_eth_mac_addr(bp, 0);
6990 bnx2x_set_all_enode_macs(bp, 0);
6992 bp->flags &= ~FCOE_MACS_SET;
6997 void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
6999 int port = BP_PORT(bp);
7003 /* Wait until tx fastpath tasks complete */
7004 for_each_tx_queue(bp, i) {
7005 struct bnx2x_fastpath *fp = &bp->fp[i];
7008 while (bnx2x_has_tx_work_unload(fp)) {
7011 BNX2X_ERR("timeout waiting for queue[%d]\n",
7013 #ifdef BNX2X_STOP_ON_ERROR
7024 /* Give HW time to discard old tx messages */
7027 bnx2x_set_eth_mac(bp, 0);
7029 bnx2x_invalidate_uc_list(bp);
7032 bnx2x_invalidate_e1_mc_list(bp);
7034 bnx2x_invalidate_e1h_mc_list(bp);
7035 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7039 bnx2x_del_fcoe_eth_macs(bp);
7042 if (unload_mode == UNLOAD_NORMAL)
7043 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7045 else if (bp->flags & NO_WOL_FLAG)
7046 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
7049 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
7050 u8 *mac_addr = bp->dev->dev_addr;
7052 /* The mac address is written to entries 1-4 to
7053 preserve entry 0 which is used by the PMF */
7054 u8 entry = (BP_E1HVN(bp) + 1)*8;
7056 val = (mac_addr[0] << 8) | mac_addr[1];
7057 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
7059 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7060 (mac_addr[4] << 8) | mac_addr[5];
7061 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
7063 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
7066 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7068 /* Close multi and leading connections
7069 Completions for ramrods are collected in a synchronous way */
7070 for_each_queue(bp, i)
7072 if (bnx2x_stop_client(bp, i))
7073 #ifdef BNX2X_STOP_ON_ERROR
7079 rc = bnx2x_func_stop(bp);
7081 BNX2X_ERR("Function stop failed!\n");
7082 #ifdef BNX2X_STOP_ON_ERROR
7088 #ifndef BNX2X_STOP_ON_ERROR
7092 reset_code = bnx2x_fw_command(bp, reset_code, 0);
7094 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7095 "%d, %d, %d\n", BP_PATH(bp),
7096 load_count[BP_PATH(bp)][0],
7097 load_count[BP_PATH(bp)][1],
7098 load_count[BP_PATH(bp)][2]);
7099 load_count[BP_PATH(bp)][0]--;
7100 load_count[BP_PATH(bp)][1 + port]--;
7101 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7102 "%d, %d, %d\n", BP_PATH(bp),
7103 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7104 load_count[BP_PATH(bp)][2]);
7105 if (load_count[BP_PATH(bp)][0] == 0)
7106 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
7107 else if (load_count[BP_PATH(bp)][1 + port] == 0)
7108 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7110 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7113 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7114 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7115 bnx2x__link_reset(bp);
7117 /* Disable HW interrupts, NAPI */
7118 bnx2x_netif_stop(bp, 1);
7123 /* Reset the chip */
7124 bnx2x_reset_chip(bp, reset_code);
7126 /* Report UNLOAD_DONE to MCP */
7128 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7132 void bnx2x_disable_close_the_gate(struct bnx2x *bp)
7136 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7138 if (CHIP_IS_E1(bp)) {
7139 int port = BP_PORT(bp);
7140 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7141 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7143 val = REG_RD(bp, addr);
7145 REG_WR(bp, addr, val);
7146 } else if (CHIP_IS_E1H(bp)) {
7147 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7148 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7149 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7150 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7154 /* Close gates #2, #3 and #4: */
7155 static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7159 /* Gates #2 and #4a are closed/opened for "not E1" only */
7160 if (!CHIP_IS_E1(bp)) {
7162 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7163 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7164 close ? (val | 0x1) : (val & (~(u32)1)));
7166 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7167 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7168 close ? (val | 0x1) : (val & (~(u32)1)));
7172 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7173 val = REG_RD(bp, addr);
7174 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7176 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7177 close ? "closing" : "opening");
7181 #define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7183 static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7185 /* Do some magic... */
7186 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7187 *magic_val = val & SHARED_MF_CLP_MAGIC;
7188 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7192 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
7194 * @bp: driver handle
7195 * @magic_val: old value of the `magic' bit.
7197 static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7199 /* Restore the `magic' bit value... */
7200 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7201 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7202 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7206 * bnx2x_reset_mcp_prep - prepare for MCP reset.
7208 * @bp: driver handle
7209 * @magic_val: old value of 'magic' bit.
7211 * Takes care of CLP configurations.
7213 static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7216 u32 validity_offset;
7218 DP(NETIF_MSG_HW, "Starting\n");
7220 /* Set `magic' bit in order to save MF config */
7221 if (!CHIP_IS_E1(bp))
7222 bnx2x_clp_reset_prep(bp, magic_val);
7224 /* Get shmem offset */
7225 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7226 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7228 /* Clear validity map flags */
7230 REG_WR(bp, shmem + validity_offset, 0);
7233 #define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7234 #define MCP_ONE_TIMEOUT 100 /* 100 ms */
7237 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
7239 * @bp: driver handle
7241 static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7243 /* special handling for emulation and FPGA,
7244 wait 10 times longer */
7245 if (CHIP_REV_IS_SLOW(bp))
7246 msleep(MCP_ONE_TIMEOUT*10);
7248 msleep(MCP_ONE_TIMEOUT);
7252 * initializes bp->common.shmem_base and waits for validity signature to appear
7254 static int bnx2x_init_shmem(struct bnx2x *bp)
7260 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7261 if (bp->common.shmem_base) {
7262 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7263 if (val & SHR_MEM_VALIDITY_MB)
7267 bnx2x_mcp_wait_one(bp);
7269 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
7271 BNX2X_ERR("BAD MCP validity signature\n");
7276 static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7278 int rc = bnx2x_init_shmem(bp);
7280 /* Restore the `magic' bit value */
7281 if (!CHIP_IS_E1(bp))
7282 bnx2x_clp_reset_done(bp, magic_val);
7287 static void bnx2x_pxp_prep(struct bnx2x *bp)
7289 if (!CHIP_IS_E1(bp)) {
7290 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7291 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7292 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7298 * Reset the whole chip except for:
7300 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7303 * - MISC (including AEU)
7307 static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7309 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7312 MISC_REGISTERS_RESET_REG_1_RST_HC |
7313 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7314 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7317 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7318 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7319 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7320 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7321 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7322 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7323 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7324 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7326 reset_mask1 = 0xffffffff;
7329 reset_mask2 = 0xffff;
7331 reset_mask2 = 0x1ffff;
7333 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7334 reset_mask1 & (~not_reset_mask1));
7335 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7336 reset_mask2 & (~not_reset_mask2));
7341 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7342 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7346 static int bnx2x_process_kill(struct bnx2x *bp)
7350 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7353 /* Empty the Tetris buffer, wait for 1s */
7355 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7356 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7357 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7358 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7359 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7360 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7361 ((port_is_idle_0 & 0x1) == 0x1) &&
7362 ((port_is_idle_1 & 0x1) == 0x1) &&
7363 (pgl_exp_rom2 == 0xffffffff))
7366 } while (cnt-- > 0);
7369 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7371 " outstanding read requests after 1s!\n");
7372 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7373 " port_is_idle_0=0x%08x,"
7374 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7375 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7382 /* Close gates #2, #3 and #4 */
7383 bnx2x_set_234_gates(bp, true);
7385 /* TBD: Indicate that "process kill" is in progress to MCP */
7387 /* Clear "unprepared" bit */
7388 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7391 /* Make sure all is written to the chip before the reset */
7394 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7395 * PSWHST, GRC and PSWRD Tetris buffer.
7399 /* Prepare to chip reset: */
7401 bnx2x_reset_mcp_prep(bp, &val);
7407 /* reset the chip */
7408 bnx2x_process_kill_chip_reset(bp);
7411 /* Recover after reset: */
7413 if (bnx2x_reset_mcp_comp(bp, val))
7419 /* Open the gates #2, #3 and #4 */
7420 bnx2x_set_234_gates(bp, false);
7422 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7423 * reset state, re-enable attentions. */
7428 static int bnx2x_leader_reset(struct bnx2x *bp)
7431 /* Try to recover after the failure */
7432 if (bnx2x_process_kill(bp)) {
7433 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7436 goto exit_leader_reset;
7439 /* Clear "reset is in progress" bit and update the driver state */
7440 bnx2x_set_reset_done(bp);
7441 bp->recovery_state = BNX2X_RECOVERY_DONE;
7445 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7450 /* Assumption: runs under rtnl lock. This together with the fact
7451 * that it's called only from bnx2x_reset_task() ensure that it
7452 * will never be called when netif_running(bp->dev) is false.
7454 static void bnx2x_parity_recover(struct bnx2x *bp)
7456 DP(NETIF_MSG_HW, "Handling parity\n");
7458 switch (bp->recovery_state) {
7459 case BNX2X_RECOVERY_INIT:
7460 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7461 /* Try to get a LEADER_LOCK HW lock */
7462 if (bnx2x_trylock_hw_lock(bp,
7463 HW_LOCK_RESOURCE_RESERVED_08))
7466 /* Stop the driver */
7467 /* If interface has been removed - break */
7468 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7471 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7472 /* Ensure "is_leader" and "recovery_state"
7473 * update values are seen on other CPUs
7478 case BNX2X_RECOVERY_WAIT:
7479 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7480 if (bp->is_leader) {
7481 u32 load_counter = bnx2x_get_load_cnt(bp);
7483 /* Wait until all other functions get
7486 schedule_delayed_work(&bp->reset_task,
7490 /* If all other functions got down -
7491 * try to bring the chip back to
7492 * normal. In any case it's an exit
7493 * point for a leader.
7495 if (bnx2x_leader_reset(bp) ||
7496 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7497 printk(KERN_ERR"%s: Recovery "
7498 "has failed. Power cycle is "
7499 "needed.\n", bp->dev->name);
7500 /* Disconnect this device */
7501 netif_device_detach(bp->dev);
7502 /* Block ifup for all function
7503 * of this ASIC until
7504 * "process kill" or power
7507 bnx2x_set_reset_in_progress(bp);
7508 /* Shut down the power */
7509 bnx2x_set_power_state(bp,
7516 } else { /* non-leader */
7517 if (!bnx2x_reset_is_done(bp)) {
7518 /* Try to get a LEADER_LOCK HW lock as
7519 * long as a former leader may have
7520 * been unloaded by the user or
7521 * released a leadership by another
7524 if (bnx2x_trylock_hw_lock(bp,
7525 HW_LOCK_RESOURCE_RESERVED_08)) {
7526 /* I'm a leader now! Restart a
7533 schedule_delayed_work(&bp->reset_task,
7537 } else { /* A leader has completed
7538 * the "process kill". It's an exit
7539 * point for a non-leader.
7541 bnx2x_nic_load(bp, LOAD_NORMAL);
7542 bp->recovery_state =
7543 BNX2X_RECOVERY_DONE;
7554 /* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7555 * scheduled on a general queue in order to prevent a dead lock.
7557 static void bnx2x_reset_task(struct work_struct *work)
7559 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7561 #ifdef BNX2X_STOP_ON_ERROR
7562 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7563 " so reset not done to allow debug dump,\n"
7564 KERN_ERR " you will need to reboot when done\n");
7570 if (!netif_running(bp->dev))
7571 goto reset_task_exit;
7573 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7574 bnx2x_parity_recover(bp);
7576 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7577 bnx2x_nic_load(bp, LOAD_NORMAL);
7584 /* end of nic load/unload */
7587 * Init service functions
7590 static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
7592 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7593 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7594 return base + (BP_ABS_FUNC(bp)) * stride;
7597 static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7599 u32 reg = bnx2x_get_pretend_reg(bp);
7601 /* Flush all outstanding writes */
7604 /* Pretend to be function 0 */
7606 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
7608 /* From now we are in the "like-E1" mode */
7609 bnx2x_int_disable(bp);
7611 /* Flush all outstanding writes */
7614 /* Restore the original function */
7615 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7619 static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7622 bnx2x_int_disable(bp);
7624 bnx2x_undi_int_disable_e1h(bp);
7627 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
7631 /* Check if there is any driver already loaded */
7632 val = REG_RD(bp, MISC_REG_UNPREPARED);
7634 /* Check if it is the UNDI driver
7635 * UNDI driver initializes CID offset for normal bell to 0x7
7637 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7638 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7640 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7641 /* save our pf_num */
7642 int orig_pf_num = bp->pf_num;
7646 /* clear the UNDI indication */
7647 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7649 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7651 /* try unload UNDI on port 0 */
7654 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7655 DRV_MSG_SEQ_NUMBER_MASK);
7656 reset_code = bnx2x_fw_command(bp, reset_code, 0);
7658 /* if UNDI is loaded on the other port */
7659 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7661 /* send "DONE" for previous unload */
7662 bnx2x_fw_command(bp,
7663 DRV_MSG_CODE_UNLOAD_DONE, 0);
7665 /* unload UNDI on port 1 */
7668 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7669 DRV_MSG_SEQ_NUMBER_MASK);
7670 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7672 bnx2x_fw_command(bp, reset_code, 0);
7675 /* now it's safe to release the lock */
7676 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7678 bnx2x_undi_int_disable(bp);
7680 /* close input traffic and wait for it */
7681 /* Do not rcv packets to BRB */
7683 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7684 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7685 /* Do not direct rcv packets that are not for MCP to
7688 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7689 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7692 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7693 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7696 /* save NIG port swap info */
7697 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7698 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7701 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7704 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7706 /* take the NIG out of reset and restore swap values */
7708 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7709 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7710 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7711 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7713 /* send unload done to the MCP */
7714 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7716 /* restore our func and fw_seq */
7717 bp->pf_num = orig_pf_num;
7719 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7720 DRV_MSG_SEQ_NUMBER_MASK);
7722 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7726 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7728 u32 val, val2, val3, val4, id;
7731 /* Get the chip revision id and number. */
7732 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7733 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7734 id = ((val & 0xffff) << 16);
7735 val = REG_RD(bp, MISC_REG_CHIP_REV);
7736 id |= ((val & 0xf) << 12);
7737 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7738 id |= ((val & 0xff) << 4);
7739 val = REG_RD(bp, MISC_REG_BOND_ID);
7741 bp->common.chip_id = id;
7743 /* Set doorbell size */
7744 bp->db_size = (1 << BNX2X_DB_SHIFT);
7746 if (CHIP_IS_E2(bp)) {
7747 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7749 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7751 val = (val >> 1) & 1;
7752 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7754 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7757 if (CHIP_MODE_IS_4_PORT(bp))
7758 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7760 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7762 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7763 bp->pfid = bp->pf_num; /* 0..7 */
7767 * set base FW non-default (fast path) status block id, this value is
7768 * used to initialize the fw_sb_id saved on the fp/queue structure to
7769 * determine the id used by the FW.
7771 if (CHIP_IS_E1x(bp))
7772 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7774 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7776 bp->link_params.chip_id = bp->common.chip_id;
7777 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
7779 val = (REG_RD(bp, 0x2874) & 0x55);
7780 if ((bp->common.chip_id & 0x1) ||
7781 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7782 bp->flags |= ONE_PORT_FLAG;
7783 BNX2X_DEV_INFO("single port device\n");
7786 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7787 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7788 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7789 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7790 bp->common.flash_size, bp->common.flash_size);
7792 bnx2x_init_shmem(bp);
7794 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7795 MISC_REG_GENERIC_CR_1 :
7796 MISC_REG_GENERIC_CR_0));
7798 bp->link_params.shmem_base = bp->common.shmem_base;
7799 bp->link_params.shmem2_base = bp->common.shmem2_base;
7800 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7801 bp->common.shmem_base, bp->common.shmem2_base);
7803 if (!bp->common.shmem_base) {
7804 BNX2X_DEV_INFO("MCP not active\n");
7805 bp->flags |= NO_MCP_FLAG;
7809 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7810 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
7812 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7813 SHARED_HW_CFG_LED_MODE_MASK) >>
7814 SHARED_HW_CFG_LED_MODE_SHIFT);
7816 bp->link_params.feature_config_flags = 0;
7817 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7818 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7819 bp->link_params.feature_config_flags |=
7820 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7822 bp->link_params.feature_config_flags &=
7823 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7825 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7826 bp->common.bc_ver = val;
7827 BNX2X_DEV_INFO("bc_ver %X\n", val);
7828 if (val < BNX2X_BC_VER) {
7829 /* for now only warn
7830 * later we might need to enforce this */
7831 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7832 "please upgrade BC\n", BNX2X_BC_VER, val);
7834 bp->link_params.feature_config_flags |=
7835 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
7836 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7838 bp->link_params.feature_config_flags |=
7839 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7840 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
7842 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7843 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7845 BNX2X_DEV_INFO("%sWoL capable\n",
7846 (bp->flags & NO_WOL_FLAG) ? "not " : "");
7848 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7849 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7850 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7851 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7853 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7854 val, val2, val3, val4);
7857 #define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7858 #define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7860 static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7862 int pfid = BP_FUNC(bp);
7863 int vn = BP_E1HVN(bp);
7868 bp->igu_base_sb = 0xff;
7870 if (CHIP_INT_MODE_IS_BC(bp)) {
7871 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
7872 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
7874 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7877 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7878 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7883 /* IGU in normal mode - read CAM */
7884 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7886 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7887 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7890 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7891 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7893 if (IGU_VEC(val) == 0)
7894 /* default status block */
7895 bp->igu_dsb_id = igu_sb_id;
7897 if (bp->igu_base_sb == 0xff)
7898 bp->igu_base_sb = igu_sb_id;
7903 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7904 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
7905 if (bp->igu_sb_cnt == 0)
7906 BNX2X_ERR("CAM configuration error\n");
7909 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7912 int cfg_size = 0, idx, port = BP_PORT(bp);
7914 /* Aggregation of supported attributes of all external phys */
7915 bp->port.supported[0] = 0;
7916 bp->port.supported[1] = 0;
7917 switch (bp->link_params.num_phys) {
7919 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7923 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7927 if (bp->link_params.multi_phy_config &
7928 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7929 bp->port.supported[1] =
7930 bp->link_params.phy[EXT_PHY1].supported;
7931 bp->port.supported[0] =
7932 bp->link_params.phy[EXT_PHY2].supported;
7934 bp->port.supported[0] =
7935 bp->link_params.phy[EXT_PHY1].supported;
7936 bp->port.supported[1] =
7937 bp->link_params.phy[EXT_PHY2].supported;
7943 if (!(bp->port.supported[0] || bp->port.supported[1])) {
7944 BNX2X_ERR("NVRAM config error. BAD phy config."
7945 "PHY1 config 0x%x, PHY2 config 0x%x\n",
7947 dev_info.port_hw_config[port].external_phy_config),
7949 dev_info.port_hw_config[port].external_phy_config2));
7953 switch (switch_cfg) {
7955 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7957 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7960 case SWITCH_CFG_10G:
7961 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7963 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7967 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7968 bp->port.link_config[0]);
7971 /* mask what we support according to speed_cap_mask per configuration */
7972 for (idx = 0; idx < cfg_size; idx++) {
7973 if (!(bp->link_params.speed_cap_mask[idx] &
7974 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7975 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
7977 if (!(bp->link_params.speed_cap_mask[idx] &
7978 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7979 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
7981 if (!(bp->link_params.speed_cap_mask[idx] &
7982 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7983 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
7985 if (!(bp->link_params.speed_cap_mask[idx] &
7986 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7987 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
7989 if (!(bp->link_params.speed_cap_mask[idx] &
7990 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7991 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
7992 SUPPORTED_1000baseT_Full);
7994 if (!(bp->link_params.speed_cap_mask[idx] &
7995 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7996 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
7998 if (!(bp->link_params.speed_cap_mask[idx] &
7999 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
8000 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
8004 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8005 bp->port.supported[1]);
8008 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
8010 u32 link_config, idx, cfg_size = 0;
8011 bp->port.advertising[0] = 0;
8012 bp->port.advertising[1] = 0;
8013 switch (bp->link_params.num_phys) {
8022 for (idx = 0; idx < cfg_size; idx++) {
8023 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8024 link_config = bp->port.link_config[idx];
8025 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
8026 case PORT_FEATURE_LINK_SPEED_AUTO:
8027 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8028 bp->link_params.req_line_speed[idx] =
8030 bp->port.advertising[idx] |=
8031 bp->port.supported[idx];
8033 /* force 10G, no AN */
8034 bp->link_params.req_line_speed[idx] =
8036 bp->port.advertising[idx] |=
8037 (ADVERTISED_10000baseT_Full |
8043 case PORT_FEATURE_LINK_SPEED_10M_FULL:
8044 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8045 bp->link_params.req_line_speed[idx] =
8047 bp->port.advertising[idx] |=
8048 (ADVERTISED_10baseT_Full |
8051 BNX2X_ERROR("NVRAM config error. "
8052 "Invalid link_config 0x%x"
8053 " speed_cap_mask 0x%x\n",
8055 bp->link_params.speed_cap_mask[idx]);
8060 case PORT_FEATURE_LINK_SPEED_10M_HALF:
8061 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8062 bp->link_params.req_line_speed[idx] =
8064 bp->link_params.req_duplex[idx] =
8066 bp->port.advertising[idx] |=
8067 (ADVERTISED_10baseT_Half |
8070 BNX2X_ERROR("NVRAM config error. "
8071 "Invalid link_config 0x%x"
8072 " speed_cap_mask 0x%x\n",
8074 bp->link_params.speed_cap_mask[idx]);
8079 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8080 if (bp->port.supported[idx] &
8081 SUPPORTED_100baseT_Full) {
8082 bp->link_params.req_line_speed[idx] =
8084 bp->port.advertising[idx] |=
8085 (ADVERTISED_100baseT_Full |
8088 BNX2X_ERROR("NVRAM config error. "
8089 "Invalid link_config 0x%x"
8090 " speed_cap_mask 0x%x\n",
8092 bp->link_params.speed_cap_mask[idx]);
8097 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8098 if (bp->port.supported[idx] &
8099 SUPPORTED_100baseT_Half) {
8100 bp->link_params.req_line_speed[idx] =
8102 bp->link_params.req_duplex[idx] =
8104 bp->port.advertising[idx] |=
8105 (ADVERTISED_100baseT_Half |
8108 BNX2X_ERROR("NVRAM config error. "
8109 "Invalid link_config 0x%x"
8110 " speed_cap_mask 0x%x\n",
8112 bp->link_params.speed_cap_mask[idx]);
8117 case PORT_FEATURE_LINK_SPEED_1G:
8118 if (bp->port.supported[idx] &
8119 SUPPORTED_1000baseT_Full) {
8120 bp->link_params.req_line_speed[idx] =
8122 bp->port.advertising[idx] |=
8123 (ADVERTISED_1000baseT_Full |
8126 BNX2X_ERROR("NVRAM config error. "
8127 "Invalid link_config 0x%x"
8128 " speed_cap_mask 0x%x\n",
8130 bp->link_params.speed_cap_mask[idx]);
8135 case PORT_FEATURE_LINK_SPEED_2_5G:
8136 if (bp->port.supported[idx] &
8137 SUPPORTED_2500baseX_Full) {
8138 bp->link_params.req_line_speed[idx] =
8140 bp->port.advertising[idx] |=
8141 (ADVERTISED_2500baseX_Full |
8144 BNX2X_ERROR("NVRAM config error. "
8145 "Invalid link_config 0x%x"
8146 " speed_cap_mask 0x%x\n",
8148 bp->link_params.speed_cap_mask[idx]);
8153 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8154 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8155 case PORT_FEATURE_LINK_SPEED_10G_KR:
8156 if (bp->port.supported[idx] &
8157 SUPPORTED_10000baseT_Full) {
8158 bp->link_params.req_line_speed[idx] =
8160 bp->port.advertising[idx] |=
8161 (ADVERTISED_10000baseT_Full |
8164 BNX2X_ERROR("NVRAM config error. "
8165 "Invalid link_config 0x%x"
8166 " speed_cap_mask 0x%x\n",
8168 bp->link_params.speed_cap_mask[idx]);
8174 BNX2X_ERROR("NVRAM config error. "
8175 "BAD link speed link_config 0x%x\n",
8177 bp->link_params.req_line_speed[idx] =
8179 bp->port.advertising[idx] =
8180 bp->port.supported[idx];
8184 bp->link_params.req_flow_ctrl[idx] = (link_config &
8185 PORT_FEATURE_FLOW_CONTROL_MASK);
8186 if ((bp->link_params.req_flow_ctrl[idx] ==
8187 BNX2X_FLOW_CTRL_AUTO) &&
8188 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8189 bp->link_params.req_flow_ctrl[idx] =
8190 BNX2X_FLOW_CTRL_NONE;
8193 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8194 " 0x%x advertising 0x%x\n",
8195 bp->link_params.req_line_speed[idx],
8196 bp->link_params.req_duplex[idx],
8197 bp->link_params.req_flow_ctrl[idx],
8198 bp->port.advertising[idx]);
8202 static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8204 mac_hi = cpu_to_be16(mac_hi);
8205 mac_lo = cpu_to_be32(mac_lo);
8206 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8207 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8210 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
8212 int port = BP_PORT(bp);
8214 u32 ext_phy_type, ext_phy_config;
8216 bp->link_params.bp = bp;
8217 bp->link_params.port = port;
8219 bp->link_params.lane_config =
8220 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
8222 bp->link_params.speed_cap_mask[0] =
8224 dev_info.port_hw_config[port].speed_capability_mask);
8225 bp->link_params.speed_cap_mask[1] =
8227 dev_info.port_hw_config[port].speed_capability_mask2);
8228 bp->port.link_config[0] =
8229 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8231 bp->port.link_config[1] =
8232 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8234 bp->link_params.multi_phy_config =
8235 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8236 /* If the device is capable of WoL, set the default state according
8239 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8240 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8241 (config & PORT_FEATURE_WOL_ENABLED));
8243 BNX2X_DEV_INFO("lane_config 0x%08x "
8244 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
8245 bp->link_params.lane_config,
8246 bp->link_params.speed_cap_mask[0],
8247 bp->port.link_config[0]);
8249 bp->link_params.switch_cfg = (bp->port.link_config[0] &
8250 PORT_FEATURE_CONNECTED_SWITCH_MASK);
8251 bnx2x_phy_probe(&bp->link_params);
8252 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
8254 bnx2x_link_settings_requested(bp);
8257 * If connected directly, work with the internal PHY, otherwise, work
8258 * with the external PHY
8262 dev_info.port_hw_config[port].external_phy_config);
8263 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
8264 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8265 bp->mdio.prtad = bp->port.phy_addr;
8267 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8268 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8270 XGXS_EXT_PHY_ADDR(ext_phy_config);
8273 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8274 * In MF mode, it is set to cover self test cases
8277 bp->port.need_hw_lock = 1;
8279 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8280 bp->common.shmem_base,
8281 bp->common.shmem2_base);
8285 static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8287 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8288 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8289 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8290 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8292 /* Get the number of maximum allowed iSCSI and FCoE connections */
8293 bp->cnic_eth_dev.max_iscsi_conn =
8294 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8295 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8297 bp->cnic_eth_dev.max_fcoe_conn =
8298 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8299 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8301 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8302 bp->cnic_eth_dev.max_iscsi_conn,
8303 bp->cnic_eth_dev.max_fcoe_conn);
8305 /* If mamimum allowed number of connections is zero -
8306 * disable the feature.
8308 if (!bp->cnic_eth_dev.max_iscsi_conn)
8309 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8311 if (!bp->cnic_eth_dev.max_fcoe_conn)
8312 bp->flags |= NO_FCOE_FLAG;
8316 static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8319 int func = BP_ABS_FUNC(bp);
8320 int port = BP_PORT(bp);
8322 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8323 u8 *fip_mac = bp->fip_mac;
8327 BNX2X_ERROR("warning: random MAC workaround active\n");
8328 random_ether_addr(bp->dev->dev_addr);
8329 } else if (IS_MF(bp)) {
8330 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8331 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8332 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8333 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8334 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8337 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8338 * FCoE MAC then the appropriate feature should be disabled.
8341 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8342 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8343 val2 = MF_CFG_RD(bp, func_ext_config[func].
8344 iscsi_mac_addr_upper);
8345 val = MF_CFG_RD(bp, func_ext_config[func].
8346 iscsi_mac_addr_lower);
8347 BNX2X_DEV_INFO("Read iSCSI MAC: "
8348 "0x%x:0x%04x\n", val2, val);
8349 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8351 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8353 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8354 val2 = MF_CFG_RD(bp, func_ext_config[func].
8355 fcoe_mac_addr_upper);
8356 val = MF_CFG_RD(bp, func_ext_config[func].
8357 fcoe_mac_addr_lower);
8358 BNX2X_DEV_INFO("Read FCoE MAC to "
8359 "0x%x:0x%04x\n", val2, val);
8360 bnx2x_set_mac_buf(fip_mac, val, val2);
8363 bp->flags |= NO_FCOE_FLAG;
8367 /* in SF read MACs from port configuration */
8368 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8369 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8370 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8373 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8375 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8377 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8381 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8382 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
8385 /* Set the FCoE MAC in modes other then MF_SI */
8386 if (!CHIP_IS_E1x(bp)) {
8388 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8389 else if (!IS_MF(bp))
8390 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
8393 /* Disable iSCSI if MAC configuration is
8396 if (!is_valid_ether_addr(iscsi_mac)) {
8397 bp->flags |= NO_ISCSI_FLAG;
8398 memset(iscsi_mac, 0, ETH_ALEN);
8401 /* Disable FCoE if MAC configuration is
8404 if (!is_valid_ether_addr(fip_mac)) {
8405 bp->flags |= NO_FCOE_FLAG;
8406 memset(bp->fip_mac, 0, ETH_ALEN);
8411 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8413 int /*abs*/func = BP_ABS_FUNC(bp);
8418 bnx2x_get_common_hwinfo(bp);
8420 if (CHIP_IS_E1x(bp)) {
8421 bp->common.int_block = INT_BLOCK_HC;
8423 bp->igu_dsb_id = DEF_SB_IGU_ID;
8424 bp->igu_base_sb = 0;
8425 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8426 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8428 bp->common.int_block = INT_BLOCK_IGU;
8429 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8430 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8431 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8432 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8434 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8436 bnx2x_get_igu_cam_info(bp);
8439 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8440 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8443 * Initialize MF configuration
8450 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
8452 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8453 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8454 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
8455 if (SHMEM2_HAS(bp, mf_cfg_addr))
8456 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8458 bp->common.mf_cfg_base = bp->common.shmem_base +
8459 offsetof(struct shmem_region, func_mb) +
8460 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
8462 * get mf configuration:
8463 * 1. existence of MF configuration
8464 * 2. MAC address must be legal (check only upper bytes)
8465 * for Switch-Independent mode;
8466 * OVLAN must be legal for Switch-Dependent mode
8467 * 3. SF_MODE configures specific MF mode
8469 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8470 /* get mf configuration */
8472 dev_info.shared_feature_config.config);
8473 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
8476 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8477 val = MF_CFG_RD(bp, func_mf_config[func].
8479 /* check for legal mac (upper bytes)*/
8480 if (val != 0xffff) {
8481 bp->mf_mode = MULTI_FUNCTION_SI;
8482 bp->mf_config[vn] = MF_CFG_RD(bp,
8483 func_mf_config[func].config);
8485 DP(NETIF_MSG_PROBE, "illegal MAC "
8486 "address for SI\n");
8488 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8489 /* get OV configuration */
8491 func_mf_config[FUNC_0].e1hov_tag);
8492 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8494 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8495 bp->mf_mode = MULTI_FUNCTION_SD;
8496 bp->mf_config[vn] = MF_CFG_RD(bp,
8497 func_mf_config[func].config);
8499 DP(NETIF_MSG_PROBE, "illegal OV for "
8503 /* Unknown configuration: reset mf_config */
8504 bp->mf_config[vn] = 0;
8505 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
8510 BNX2X_DEV_INFO("%s function mode\n",
8511 IS_MF(bp) ? "multi" : "single");
8513 switch (bp->mf_mode) {
8514 case MULTI_FUNCTION_SD:
8515 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8516 FUNC_MF_CFG_E1HOV_TAG_MASK;
8517 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8519 BNX2X_DEV_INFO("MF OV for func %d is %d"
8520 " (0x%04x)\n", func,
8521 bp->mf_ov, bp->mf_ov);
8523 BNX2X_ERR("No valid MF OV for func %d,"
8524 " aborting\n", func);
8528 case MULTI_FUNCTION_SI:
8529 BNX2X_DEV_INFO("func %d is in MF "
8530 "switch-independent mode\n", func);
8534 BNX2X_ERR("VN %d in single function mode,"
8543 /* adjust igu_sb_cnt to MF for E1x */
8544 if (CHIP_IS_E1x(bp) && IS_MF(bp))
8545 bp->igu_sb_cnt /= E1HVN_MAX;
8548 * adjust E2 sb count: to be removed when FW will support
8549 * more then 16 L2 clients
8551 #define MAX_L2_CLIENTS 16
8553 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8554 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8556 if (!BP_NOMCP(bp)) {
8557 bnx2x_get_port_hwinfo(bp);
8560 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8561 DRV_MSG_SEQ_NUMBER_MASK);
8562 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8565 /* Get MAC addresses */
8566 bnx2x_get_mac_hwinfo(bp);
8569 bnx2x_get_cnic_info(bp);
8575 static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8577 int cnt, i, block_end, rodi;
8578 char vpd_data[BNX2X_VPD_LEN+1];
8579 char str_id_reg[VENDOR_ID_LEN+1];
8580 char str_id_cap[VENDOR_ID_LEN+1];
8583 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8584 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8586 if (cnt < BNX2X_VPD_LEN)
8589 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8590 PCI_VPD_LRDT_RO_DATA);
8595 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8596 pci_vpd_lrdt_size(&vpd_data[i]);
8598 i += PCI_VPD_LRDT_TAG_SIZE;
8600 if (block_end > BNX2X_VPD_LEN)
8603 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8604 PCI_VPD_RO_KEYWORD_MFR_ID);
8608 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8610 if (len != VENDOR_ID_LEN)
8613 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8615 /* vendor specific info */
8616 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8617 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8618 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8619 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8621 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8622 PCI_VPD_RO_KEYWORD_VENDOR0);
8624 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8626 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8628 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8629 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8630 bp->fw_ver[len] = ' ';
8639 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8645 mutex_init(&bp->port.phy_mutex);
8646 mutex_init(&bp->fw_mb_mutex);
8647 spin_lock_init(&bp->stats_lock);
8649 mutex_init(&bp->cnic_mutex);
8652 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8653 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8655 rc = bnx2x_get_hwinfo(bp);
8658 rc = bnx2x_alloc_mem_bp(bp);
8660 bnx2x_read_fwinfo(bp);
8664 /* need to reset chip if undi was active */
8666 bnx2x_undi_unload(bp);
8668 if (CHIP_REV_IS_FPGA(bp))
8669 dev_err(&bp->pdev->dev, "FPGA detected\n");
8671 if (BP_NOMCP(bp) && (func == 0))
8672 dev_err(&bp->pdev->dev, "MCP disabled, "
8673 "must load devices in order!\n");
8675 bp->multi_mode = multi_mode;
8676 bp->int_mode = int_mode;
8680 bp->flags &= ~TPA_ENABLE_FLAG;
8681 bp->dev->features &= ~NETIF_F_LRO;
8683 bp->flags |= TPA_ENABLE_FLAG;
8684 bp->dev->features |= NETIF_F_LRO;
8686 bp->disable_tpa = disable_tpa;
8689 bp->dropless_fc = 0;
8691 bp->dropless_fc = dropless_fc;
8695 bp->tx_ring_size = MAX_TX_AVAIL;
8697 /* make sure that the numbers are in the right granularity */
8698 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8699 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8701 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8702 bp->current_interval = (poll ? poll : timer_interval);
8704 init_timer(&bp->timer);
8705 bp->timer.expires = jiffies + bp->current_interval;
8706 bp->timer.data = (unsigned long) bp;
8707 bp->timer.function = bnx2x_timer;
8709 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
8710 bnx2x_dcbx_init_params(bp);
8716 /****************************************************************************
8717 * General service functions
8718 ****************************************************************************/
8720 /* called with rtnl_lock */
8721 static int bnx2x_open(struct net_device *dev)
8723 struct bnx2x *bp = netdev_priv(dev);
8725 netif_carrier_off(dev);
8727 bnx2x_set_power_state(bp, PCI_D0);
8729 if (!bnx2x_reset_is_done(bp)) {
8731 /* Reset MCP mail box sequence if there is on going
8736 /* If it's the first function to load and reset done
8737 * is still not cleared it may mean that. We don't
8738 * check the attention state here because it may have
8739 * already been cleared by a "common" reset but we
8740 * shell proceed with "process kill" anyway.
8742 if ((bnx2x_get_load_cnt(bp) == 0) &&
8743 bnx2x_trylock_hw_lock(bp,
8744 HW_LOCK_RESOURCE_RESERVED_08) &&
8745 (!bnx2x_leader_reset(bp))) {
8746 DP(NETIF_MSG_HW, "Recovered in open\n");
8750 bnx2x_set_power_state(bp, PCI_D3hot);
8752 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8753 " completed yet. Try again later. If u still see this"
8754 " message after a few retries then power cycle is"
8755 " required.\n", bp->dev->name);
8761 bp->recovery_state = BNX2X_RECOVERY_DONE;
8763 return bnx2x_nic_load(bp, LOAD_OPEN);
8766 /* called with rtnl_lock */
8767 static int bnx2x_close(struct net_device *dev)
8769 struct bnx2x *bp = netdev_priv(dev);
8771 /* Unload the driver, release IRQs */
8772 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8773 bnx2x_set_power_state(bp, PCI_D3hot);
8778 #define E1_MAX_UC_LIST 29
8779 #define E1H_MAX_UC_LIST 30
8780 #define E2_MAX_UC_LIST 14
8781 static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8784 return E1_MAX_UC_LIST;
8785 else if (CHIP_IS_E1H(bp))
8786 return E1H_MAX_UC_LIST;
8788 return E2_MAX_UC_LIST;
8792 static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8795 /* CAM Entries for Port0:
8798 * 2 - iSCSI L2 ring ETH MAC
8801 * Port1 entries are allocated the same way starting from
8804 return 3 + 32 * BP_PORT(bp);
8805 else if (CHIP_IS_E1H(bp)) {
8807 * 0-7 - prim ETH MAC for each function
8808 * 8-15 - iSCSI L2 ring ETH MAC for each function
8809 * 16 till 255 UC MAC lists for each function
8811 * Remark: There is no FCoE support for E1H, thus FCoE related
8812 * MACs are not considered.
8814 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8815 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8817 /* CAM Entries (there is a separate CAM per engine):
8818 * 0-4 - prim ETH MAC for each function
8819 * 4-7 - iSCSI L2 ring ETH MAC for each function
8820 * 8-11 - FIP ucast L2 MAC for each function
8821 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8822 * 16 till 71 UC MAC lists for each function
8825 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8827 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8828 bnx2x_max_uc_list(bp) * func_idx;
8832 /* set uc list, do not wait as wait implies sleep and
8833 * set_rx_mode can be invoked from non-sleepable context.
8835 * Instead we use the same ramrod data buffer each time we need
8836 * to configure a list of addresses, and use the fact that the
8837 * list of MACs is changed in an incremental way and that the
8838 * function is called under the netif_addr_lock. A temporary
8839 * inconsistent CAM configuration (possible in case of very fast
8840 * sequence of add/del/add on the host side) will shortly be
8841 * restored by the handler of the last ramrod.
8843 static int bnx2x_set_uc_list(struct bnx2x *bp)
8846 struct net_device *dev = bp->dev;
8847 u8 offset = bnx2x_uc_list_cam_offset(bp);
8848 struct netdev_hw_addr *ha;
8849 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8850 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8852 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8855 netdev_for_each_uc_addr(ha, dev) {
8857 config_cmd->config_table[i].msb_mac_addr =
8858 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8859 config_cmd->config_table[i].middle_mac_addr =
8860 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8861 config_cmd->config_table[i].lsb_mac_addr =
8862 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8864 config_cmd->config_table[i].vlan_id = 0;
8865 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8866 config_cmd->config_table[i].clients_bit_vector =
8867 cpu_to_le32(1 << BP_L_ID(bp));
8869 SET_FLAG(config_cmd->config_table[i].flags,
8870 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8871 T_ETH_MAC_COMMAND_SET);
8874 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8875 config_cmd->config_table[i].msb_mac_addr,
8876 config_cmd->config_table[i].middle_mac_addr,
8877 config_cmd->config_table[i].lsb_mac_addr);
8881 /* Set uc MAC in NIG */
8882 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8883 LLH_CAM_ETH_LINE + i);
8885 old = config_cmd->hdr.length;
8887 for (; i < old; i++) {
8888 if (CAM_IS_INVALID(config_cmd->
8890 /* already invalidated */
8894 SET_FLAG(config_cmd->config_table[i].flags,
8895 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8896 T_ETH_MAC_COMMAND_INVALIDATE);
8902 config_cmd->hdr.length = i;
8903 config_cmd->hdr.offset = offset;
8904 config_cmd->hdr.client_id = 0xff;
8905 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8908 config_cmd->hdr.echo = 0;
8912 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8913 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8917 void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8920 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8921 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8922 int ramrod_flags = WAIT_RAMROD_COMMON;
8923 u8 offset = bnx2x_uc_list_cam_offset(bp);
8924 u8 max_list_size = bnx2x_max_uc_list(bp);
8926 for (i = 0; i < max_list_size; i++) {
8927 SET_FLAG(config_cmd->config_table[i].flags,
8928 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8929 T_ETH_MAC_COMMAND_INVALIDATE);
8930 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8935 config_cmd->hdr.length = max_list_size;
8936 config_cmd->hdr.offset = offset;
8937 config_cmd->hdr.client_id = 0xff;
8938 /* We'll wait for a completion this time... */
8939 config_cmd->hdr.echo = 1;
8941 bp->set_mac_pending = 1;
8945 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8946 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8948 /* Wait for a completion */
8949 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
8954 static inline int bnx2x_set_mc_list(struct bnx2x *bp)
8956 /* some multicasts */
8957 if (CHIP_IS_E1(bp)) {
8958 return bnx2x_set_e1_mc_list(bp);
8959 } else { /* E1H and newer */
8960 return bnx2x_set_e1h_mc_list(bp);
8964 /* called with netif_tx_lock from dev_mcast.c */
8965 void bnx2x_set_rx_mode(struct net_device *dev)
8967 struct bnx2x *bp = netdev_priv(dev);
8968 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8970 if (bp->state != BNX2X_STATE_OPEN) {
8971 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8975 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8977 if (dev->flags & IFF_PROMISC)
8978 rx_mode = BNX2X_RX_MODE_PROMISC;
8979 else if (dev->flags & IFF_ALLMULTI)
8980 rx_mode = BNX2X_RX_MODE_ALLMULTI;
8982 /* some multicasts */
8983 if (bnx2x_set_mc_list(bp))
8984 rx_mode = BNX2X_RX_MODE_ALLMULTI;
8987 if (bnx2x_set_uc_list(bp))
8988 rx_mode = BNX2X_RX_MODE_PROMISC;
8991 bp->rx_mode = rx_mode;
8992 bnx2x_set_storm_rx_mode(bp);
8995 /* called with rtnl_lock */
8996 static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8997 int devad, u16 addr)
8999 struct bnx2x *bp = netdev_priv(netdev);
9003 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9004 prtad, devad, addr);
9006 /* The HW expects different devad if CL22 is used */
9007 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9009 bnx2x_acquire_phy_lock(bp);
9010 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
9011 bnx2x_release_phy_lock(bp);
9012 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9019 /* called with rtnl_lock */
9020 static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9021 u16 addr, u16 value)
9023 struct bnx2x *bp = netdev_priv(netdev);
9026 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9027 " value 0x%x\n", prtad, devad, addr, value);
9029 /* The HW expects different devad if CL22 is used */
9030 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9032 bnx2x_acquire_phy_lock(bp);
9033 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
9034 bnx2x_release_phy_lock(bp);
9038 /* called with rtnl_lock */
9039 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9041 struct bnx2x *bp = netdev_priv(dev);
9042 struct mii_ioctl_data *mdio = if_mii(ifr);
9044 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9045 mdio->phy_id, mdio->reg_num, mdio->val_in);
9047 if (!netif_running(dev))
9050 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
9053 #ifdef CONFIG_NET_POLL_CONTROLLER
9054 static void poll_bnx2x(struct net_device *dev)
9056 struct bnx2x *bp = netdev_priv(dev);
9058 disable_irq(bp->pdev->irq);
9059 bnx2x_interrupt(bp->pdev->irq, dev);
9060 enable_irq(bp->pdev->irq);
9064 static const struct net_device_ops bnx2x_netdev_ops = {
9065 .ndo_open = bnx2x_open,
9066 .ndo_stop = bnx2x_close,
9067 .ndo_start_xmit = bnx2x_start_xmit,
9068 .ndo_select_queue = bnx2x_select_queue,
9069 .ndo_set_rx_mode = bnx2x_set_rx_mode,
9070 .ndo_set_mac_address = bnx2x_change_mac_addr,
9071 .ndo_validate_addr = eth_validate_addr,
9072 .ndo_do_ioctl = bnx2x_ioctl,
9073 .ndo_change_mtu = bnx2x_change_mtu,
9074 .ndo_fix_features = bnx2x_fix_features,
9075 .ndo_set_features = bnx2x_set_features,
9076 .ndo_tx_timeout = bnx2x_tx_timeout,
9077 #ifdef CONFIG_NET_POLL_CONTROLLER
9078 .ndo_poll_controller = poll_bnx2x,
9082 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9083 struct net_device *dev)
9088 SET_NETDEV_DEV(dev, &pdev->dev);
9089 bp = netdev_priv(dev);
9094 bp->pf_num = PCI_FUNC(pdev->devfn);
9096 rc = pci_enable_device(pdev);
9098 dev_err(&bp->pdev->dev,
9099 "Cannot enable PCI device, aborting\n");
9103 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9104 dev_err(&bp->pdev->dev,
9105 "Cannot find PCI device base address, aborting\n");
9107 goto err_out_disable;
9110 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
9111 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9112 " base address, aborting\n");
9114 goto err_out_disable;
9117 if (atomic_read(&pdev->enable_cnt) == 1) {
9118 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9120 dev_err(&bp->pdev->dev,
9121 "Cannot obtain PCI resources, aborting\n");
9122 goto err_out_disable;
9125 pci_set_master(pdev);
9126 pci_save_state(pdev);
9129 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9130 if (bp->pm_cap == 0) {
9131 dev_err(&bp->pdev->dev,
9132 "Cannot find power management capability, aborting\n");
9134 goto err_out_release;
9137 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9138 if (bp->pcie_cap == 0) {
9139 dev_err(&bp->pdev->dev,
9140 "Cannot find PCI Express capability, aborting\n");
9142 goto err_out_release;
9145 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
9146 bp->flags |= USING_DAC_FLAG;
9147 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
9148 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9149 " failed, aborting\n");
9151 goto err_out_release;
9154 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
9155 dev_err(&bp->pdev->dev,
9156 "System does not support DMA, aborting\n");
9158 goto err_out_release;
9161 dev->mem_start = pci_resource_start(pdev, 0);
9162 dev->base_addr = dev->mem_start;
9163 dev->mem_end = pci_resource_end(pdev, 0);
9165 dev->irq = pdev->irq;
9167 bp->regview = pci_ioremap_bar(pdev, 0);
9169 dev_err(&bp->pdev->dev,
9170 "Cannot map register space, aborting\n");
9172 goto err_out_release;
9175 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9176 min_t(u64, BNX2X_DB_SIZE(bp),
9177 pci_resource_len(pdev, 2)));
9178 if (!bp->doorbells) {
9179 dev_err(&bp->pdev->dev,
9180 "Cannot map doorbell space, aborting\n");
9185 bnx2x_set_power_state(bp, PCI_D0);
9187 /* clean indirect addresses */
9188 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9189 PCICFG_VENDOR_ID_OFFSET);
9190 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9191 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9192 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9193 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
9195 /* Reset the load counter */
9196 bnx2x_clear_load_cnt(bp);
9198 dev->watchdog_timeo = TX_TIMEOUT;
9200 dev->netdev_ops = &bnx2x_netdev_ops;
9201 bnx2x_set_ethtool_ops(dev);
9203 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9204 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9205 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9207 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9208 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9210 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
9211 if (bp->flags & USING_DAC_FLAG)
9212 dev->features |= NETIF_F_HIGHDMA;
9214 /* Add Loopback capability to the device */
9215 dev->hw_features |= NETIF_F_LOOPBACK;
9218 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9221 /* get_port_hwinfo() will set prtad and mmds properly */
9222 bp->mdio.prtad = MDIO_PRTAD_NONE;
9224 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9226 bp->mdio.mdio_read = bnx2x_mdio_read;
9227 bp->mdio.mdio_write = bnx2x_mdio_write;
9233 iounmap(bp->regview);
9236 if (bp->doorbells) {
9237 iounmap(bp->doorbells);
9238 bp->doorbells = NULL;
9242 if (atomic_read(&pdev->enable_cnt) == 1)
9243 pci_release_regions(pdev);
9246 pci_disable_device(pdev);
9247 pci_set_drvdata(pdev, NULL);
9253 static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9254 int *width, int *speed)
9256 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9258 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9260 /* return value of 1=2.5GHz 2=5GHz */
9261 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
9264 static int bnx2x_check_firmware(struct bnx2x *bp)
9266 const struct firmware *firmware = bp->firmware;
9267 struct bnx2x_fw_file_hdr *fw_hdr;
9268 struct bnx2x_fw_file_section *sections;
9269 u32 offset, len, num_ops;
9274 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9277 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9278 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9280 /* Make sure none of the offsets and sizes make us read beyond
9281 * the end of the firmware data */
9282 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9283 offset = be32_to_cpu(sections[i].offset);
9284 len = be32_to_cpu(sections[i].len);
9285 if (offset + len > firmware->size) {
9286 dev_err(&bp->pdev->dev,
9287 "Section %d length is out of bounds\n", i);
9292 /* Likewise for the init_ops offsets */
9293 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9294 ops_offsets = (u16 *)(firmware->data + offset);
9295 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9297 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9298 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
9299 dev_err(&bp->pdev->dev,
9300 "Section offset %d is out of bounds\n", i);
9305 /* Check FW version */
9306 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9307 fw_ver = firmware->data + offset;
9308 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9309 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9310 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9311 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
9312 dev_err(&bp->pdev->dev,
9313 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
9314 fw_ver[0], fw_ver[1], fw_ver[2],
9315 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9316 BCM_5710_FW_MINOR_VERSION,
9317 BCM_5710_FW_REVISION_VERSION,
9318 BCM_5710_FW_ENGINEERING_VERSION);
9325 static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9327 const __be32 *source = (const __be32 *)_source;
9328 u32 *target = (u32 *)_target;
9331 for (i = 0; i < n/4; i++)
9332 target[i] = be32_to_cpu(source[i]);
9336 Ops array is stored in the following format:
9337 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9339 static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
9341 const __be32 *source = (const __be32 *)_source;
9342 struct raw_op *target = (struct raw_op *)_target;
9345 for (i = 0, j = 0; i < n/8; i++, j += 2) {
9346 tmp = be32_to_cpu(source[j]);
9347 target[i].op = (tmp >> 24) & 0xff;
9348 target[i].offset = tmp & 0xffffff;
9349 target[i].raw_data = be32_to_cpu(source[j + 1]);
9354 * IRO array is stored in the following format:
9355 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9357 static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9359 const __be32 *source = (const __be32 *)_source;
9360 struct iro *target = (struct iro *)_target;
9363 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9364 target[i].base = be32_to_cpu(source[j]);
9366 tmp = be32_to_cpu(source[j]);
9367 target[i].m1 = (tmp >> 16) & 0xffff;
9368 target[i].m2 = tmp & 0xffff;
9370 tmp = be32_to_cpu(source[j]);
9371 target[i].m3 = (tmp >> 16) & 0xffff;
9372 target[i].size = tmp & 0xffff;
9377 static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9379 const __be16 *source = (const __be16 *)_source;
9380 u16 *target = (u16 *)_target;
9383 for (i = 0; i < n/2; i++)
9384 target[i] = be16_to_cpu(source[i]);
9387 #define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9389 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9390 bp->arr = kmalloc(len, GFP_KERNEL); \
9392 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9395 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9396 (u8 *)bp->arr, len); \
9399 int bnx2x_init_firmware(struct bnx2x *bp)
9401 const char *fw_file_name;
9402 struct bnx2x_fw_file_hdr *fw_hdr;
9406 fw_file_name = FW_FILE_NAME_E1;
9407 else if (CHIP_IS_E1H(bp))
9408 fw_file_name = FW_FILE_NAME_E1H;
9409 else if (CHIP_IS_E2(bp))
9410 fw_file_name = FW_FILE_NAME_E2;
9412 BNX2X_ERR("Unsupported chip revision\n");
9416 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
9418 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
9420 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
9421 goto request_firmware_exit;
9424 rc = bnx2x_check_firmware(bp);
9426 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
9427 goto request_firmware_exit;
9430 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9432 /* Initialize the pointers to the init arrays */
9434 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9437 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9440 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9443 /* STORMs firmware */
9444 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9445 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9446 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9447 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9448 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9449 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9450 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9451 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9452 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9453 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9454 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9455 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9456 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9457 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9458 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9459 be32_to_cpu(fw_hdr->csem_pram_data.offset);
9461 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
9466 kfree(bp->init_ops_offsets);
9467 init_offsets_alloc_err:
9468 kfree(bp->init_ops);
9470 kfree(bp->init_data);
9471 request_firmware_exit:
9472 release_firmware(bp->firmware);
9477 static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9479 int cid_count = L2_FP_COUNT(l2_cid_count);
9482 cid_count += CNIC_CID_MAX;
9484 return roundup(cid_count, QM_CID_ROUND);
9487 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9488 const struct pci_device_id *ent)
9490 struct net_device *dev = NULL;
9492 int pcie_width, pcie_speed;
9495 switch (ent->driver_data) {
9499 cid_count = FP_SB_MAX_E1x;
9504 cid_count = FP_SB_MAX_E2;
9508 pr_err("Unknown board_type (%ld), aborting\n",
9513 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
9515 /* dev zeroed in init_etherdev */
9516 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
9518 dev_err(&pdev->dev, "Cannot allocate net device\n");
9522 bp = netdev_priv(dev);
9523 bp->msg_enable = debug;
9525 pci_set_drvdata(pdev, dev);
9527 bp->l2_cid_count = cid_count;
9529 rc = bnx2x_init_dev(pdev, dev);
9535 rc = bnx2x_init_bp(bp);
9539 /* calc qm_cid_count */
9540 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9543 /* disable FCOE L2 queue for E1x*/
9544 if (CHIP_IS_E1x(bp))
9545 bp->flags |= NO_FCOE_FLAG;
9549 /* Configure interrupt mode: try to enable MSI-X/MSI if
9550 * needed, set bp->num_queues appropriately.
9552 bnx2x_set_int_mode(bp);
9554 /* Add all NAPI objects */
9555 bnx2x_add_all_napi(bp);
9557 rc = register_netdev(dev);
9559 dev_err(&pdev->dev, "Cannot register net device\n");
9565 /* Add storage MAC address */
9567 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9572 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
9574 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9575 " IRQ %d, ", board_info[ent->driver_data].name,
9576 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
9578 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9579 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9580 "5GHz (Gen2)" : "2.5GHz",
9581 dev->base_addr, bp->pdev->irq);
9582 pr_cont("node addr %pM\n", dev->dev_addr);
9588 iounmap(bp->regview);
9591 iounmap(bp->doorbells);
9595 if (atomic_read(&pdev->enable_cnt) == 1)
9596 pci_release_regions(pdev);
9598 pci_disable_device(pdev);
9599 pci_set_drvdata(pdev, NULL);
9604 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9606 struct net_device *dev = pci_get_drvdata(pdev);
9610 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9613 bp = netdev_priv(dev);
9616 /* Delete storage MAC address */
9619 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9625 /* Delete app tlvs from dcbnl */
9626 bnx2x_dcbnl_update_applist(bp, true);
9629 unregister_netdev(dev);
9631 /* Delete all NAPI objects */
9632 bnx2x_del_all_napi(bp);
9634 /* Power on: we can't let PCI layer write to us while we are in D3 */
9635 bnx2x_set_power_state(bp, PCI_D0);
9637 /* Disable MSI/MSI-X */
9638 bnx2x_disable_msi(bp);
9641 bnx2x_set_power_state(bp, PCI_D3hot);
9643 /* Make sure RESET task is not scheduled before continuing */
9644 cancel_delayed_work_sync(&bp->reset_task);
9647 iounmap(bp->regview);
9650 iounmap(bp->doorbells);
9652 bnx2x_free_mem_bp(bp);
9656 if (atomic_read(&pdev->enable_cnt) == 1)
9657 pci_release_regions(pdev);
9659 pci_disable_device(pdev);
9660 pci_set_drvdata(pdev, NULL);
9663 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9667 bp->state = BNX2X_STATE_ERROR;
9669 bp->rx_mode = BNX2X_RX_MODE_NONE;
9671 bnx2x_netif_stop(bp, 0);
9672 netif_carrier_off(bp->dev);
9674 del_timer_sync(&bp->timer);
9675 bp->stats_state = STATS_STATE_DISABLED;
9676 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9681 /* Free SKBs, SGEs, TPA pool and driver internals */
9682 bnx2x_free_skbs(bp);
9684 for_each_rx_queue(bp, i)
9685 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9689 bp->state = BNX2X_STATE_CLOSED;
9694 static void bnx2x_eeh_recover(struct bnx2x *bp)
9698 mutex_init(&bp->port.phy_mutex);
9700 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9701 bp->link_params.shmem_base = bp->common.shmem_base;
9702 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9704 if (!bp->common.shmem_base ||
9705 (bp->common.shmem_base < 0xA0000) ||
9706 (bp->common.shmem_base >= 0xC0000)) {
9707 BNX2X_DEV_INFO("MCP not active\n");
9708 bp->flags |= NO_MCP_FLAG;
9712 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9713 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9714 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9715 BNX2X_ERR("BAD MCP validity signature\n");
9717 if (!BP_NOMCP(bp)) {
9719 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9720 DRV_MSG_SEQ_NUMBER_MASK);
9721 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9726 * bnx2x_io_error_detected - called when PCI error is detected
9727 * @pdev: Pointer to PCI device
9728 * @state: The current pci connection state
9730 * This function is called after a PCI bus error affecting
9731 * this device has been detected.
9733 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9734 pci_channel_state_t state)
9736 struct net_device *dev = pci_get_drvdata(pdev);
9737 struct bnx2x *bp = netdev_priv(dev);
9741 netif_device_detach(dev);
9743 if (state == pci_channel_io_perm_failure) {
9745 return PCI_ERS_RESULT_DISCONNECT;
9748 if (netif_running(dev))
9749 bnx2x_eeh_nic_unload(bp);
9751 pci_disable_device(pdev);
9755 /* Request a slot reset */
9756 return PCI_ERS_RESULT_NEED_RESET;
9760 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9761 * @pdev: Pointer to PCI device
9763 * Restart the card from scratch, as if from a cold-boot.
9765 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9767 struct net_device *dev = pci_get_drvdata(pdev);
9768 struct bnx2x *bp = netdev_priv(dev);
9772 if (pci_enable_device(pdev)) {
9774 "Cannot re-enable PCI device after reset\n");
9776 return PCI_ERS_RESULT_DISCONNECT;
9779 pci_set_master(pdev);
9780 pci_restore_state(pdev);
9782 if (netif_running(dev))
9783 bnx2x_set_power_state(bp, PCI_D0);
9787 return PCI_ERS_RESULT_RECOVERED;
9791 * bnx2x_io_resume - called when traffic can start flowing again
9792 * @pdev: Pointer to PCI device
9794 * This callback is called when the error recovery driver tells us that
9795 * its OK to resume normal operation.
9797 static void bnx2x_io_resume(struct pci_dev *pdev)
9799 struct net_device *dev = pci_get_drvdata(pdev);
9800 struct bnx2x *bp = netdev_priv(dev);
9802 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
9803 printk(KERN_ERR "Handling parity error recovery. "
9804 "Try again later\n");
9810 bnx2x_eeh_recover(bp);
9812 if (netif_running(dev))
9813 bnx2x_nic_load(bp, LOAD_NORMAL);
9815 netif_device_attach(dev);
9820 static struct pci_error_handlers bnx2x_err_handler = {
9821 .error_detected = bnx2x_io_error_detected,
9822 .slot_reset = bnx2x_io_slot_reset,
9823 .resume = bnx2x_io_resume,
9826 static struct pci_driver bnx2x_pci_driver = {
9827 .name = DRV_MODULE_NAME,
9828 .id_table = bnx2x_pci_tbl,
9829 .probe = bnx2x_init_one,
9830 .remove = __devexit_p(bnx2x_remove_one),
9831 .suspend = bnx2x_suspend,
9832 .resume = bnx2x_resume,
9833 .err_handler = &bnx2x_err_handler,
9836 static int __init bnx2x_init(void)
9840 pr_info("%s", version);
9842 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9843 if (bnx2x_wq == NULL) {
9844 pr_err("Cannot create workqueue\n");
9848 ret = pci_register_driver(&bnx2x_pci_driver);
9850 pr_err("Cannot register driver\n");
9851 destroy_workqueue(bnx2x_wq);
9856 static void __exit bnx2x_cleanup(void)
9858 pci_unregister_driver(&bnx2x_pci_driver);
9860 destroy_workqueue(bnx2x_wq);
9863 module_init(bnx2x_init);
9864 module_exit(bnx2x_cleanup);
9868 /* count denotes the number of new completions we have seen */
9869 static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9871 struct eth_spe *spe;
9873 #ifdef BNX2X_STOP_ON_ERROR
9874 if (unlikely(bp->panic))
9878 spin_lock_bh(&bp->spq_lock);
9879 BUG_ON(bp->cnic_spq_pending < count);
9880 bp->cnic_spq_pending -= count;
9883 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9884 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9885 & SPE_HDR_CONN_TYPE) >>
9886 SPE_HDR_CONN_TYPE_SHIFT;
9888 /* Set validation for iSCSI L2 client before sending SETUP
9891 if (type == ETH_CONNECTION_TYPE) {
9892 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9893 hdr.conn_and_cmd_data) >>
9894 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9896 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9897 bnx2x_set_ctx_validation(&bp->context.
9898 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9899 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9902 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9903 * We also check that the number of outstanding
9904 * COMMON ramrods is not more than the EQ and SPQ can
9907 if (type == ETH_CONNECTION_TYPE) {
9908 if (!atomic_read(&bp->cq_spq_left))
9911 atomic_dec(&bp->cq_spq_left);
9912 } else if (type == NONE_CONNECTION_TYPE) {
9913 if (!atomic_read(&bp->eq_spq_left))
9916 atomic_dec(&bp->eq_spq_left);
9917 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9918 (type == FCOE_CONNECTION_TYPE)) {
9919 if (bp->cnic_spq_pending >=
9920 bp->cnic_eth_dev.max_kwqe_pending)
9923 bp->cnic_spq_pending++;
9925 BNX2X_ERR("Unknown SPE type: %d\n", type);
9930 spe = bnx2x_sp_get_next(bp);
9931 *spe = *bp->cnic_kwq_cons;
9933 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9934 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9936 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9937 bp->cnic_kwq_cons = bp->cnic_kwq;
9939 bp->cnic_kwq_cons++;
9941 bnx2x_sp_prod_update(bp);
9942 spin_unlock_bh(&bp->spq_lock);
9945 static int bnx2x_cnic_sp_queue(struct net_device *dev,
9946 struct kwqe_16 *kwqes[], u32 count)
9948 struct bnx2x *bp = netdev_priv(dev);
9951 #ifdef BNX2X_STOP_ON_ERROR
9952 if (unlikely(bp->panic))
9956 spin_lock_bh(&bp->spq_lock);
9958 for (i = 0; i < count; i++) {
9959 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9961 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9964 *bp->cnic_kwq_prod = *spe;
9966 bp->cnic_kwq_pending++;
9968 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9969 spe->hdr.conn_and_cmd_data, spe->hdr.type,
9970 spe->data.update_data_addr.hi,
9971 spe->data.update_data_addr.lo,
9972 bp->cnic_kwq_pending);
9974 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9975 bp->cnic_kwq_prod = bp->cnic_kwq;
9977 bp->cnic_kwq_prod++;
9980 spin_unlock_bh(&bp->spq_lock);
9982 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9983 bnx2x_cnic_sp_post(bp, 0);
9988 static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9990 struct cnic_ops *c_ops;
9993 mutex_lock(&bp->cnic_mutex);
9994 c_ops = rcu_dereference_protected(bp->cnic_ops,
9995 lockdep_is_held(&bp->cnic_mutex));
9997 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9998 mutex_unlock(&bp->cnic_mutex);
10003 static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10005 struct cnic_ops *c_ops;
10009 c_ops = rcu_dereference(bp->cnic_ops);
10011 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10018 * for commands that have no data
10020 int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
10022 struct cnic_ctl_info ctl = {0};
10026 return bnx2x_cnic_ctl_send(bp, &ctl);
10029 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10031 struct cnic_ctl_info ctl;
10033 /* first we tell CNIC and only then we count this as a completion */
10034 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10035 ctl.data.comp.cid = cid;
10037 bnx2x_cnic_ctl_send_bh(bp, &ctl);
10038 bnx2x_cnic_sp_post(bp, 0);
10041 static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10043 struct bnx2x *bp = netdev_priv(dev);
10046 switch (ctl->cmd) {
10047 case DRV_CTL_CTXTBL_WR_CMD: {
10048 u32 index = ctl->data.io.offset;
10049 dma_addr_t addr = ctl->data.io.dma_addr;
10051 bnx2x_ilt_wr(bp, index, addr);
10055 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10056 int count = ctl->data.credit.credit_count;
10058 bnx2x_cnic_sp_post(bp, count);
10062 /* rtnl_lock is held. */
10063 case DRV_CTL_START_L2_CMD: {
10064 u32 cli = ctl->data.ring.client_id;
10066 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10067 bnx2x_del_fcoe_eth_macs(bp);
10069 /* Set iSCSI MAC address */
10070 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10075 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10076 * because it's the only way for UIO Client to accept
10077 * multicasts (in non-promiscuous mode only one Client per
10078 * function will receive multicast packets (leading in our
10081 bnx2x_rxq_set_mac_filters(bp, cli,
10082 BNX2X_ACCEPT_UNICAST |
10083 BNX2X_ACCEPT_BROADCAST |
10084 BNX2X_ACCEPT_ALL_MULTICAST);
10085 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10090 /* rtnl_lock is held. */
10091 case DRV_CTL_STOP_L2_CMD: {
10092 u32 cli = ctl->data.ring.client_id;
10094 /* Stop accepting on iSCSI L2 ring */
10095 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10096 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10101 /* Unset iSCSI L2 MAC */
10102 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
10105 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10106 int count = ctl->data.credit.credit_count;
10108 smp_mb__before_atomic_inc();
10109 atomic_add(count, &bp->cq_spq_left);
10110 smp_mb__after_atomic_inc();
10114 case DRV_CTL_ISCSI_STOPPED_CMD: {
10115 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10120 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10127 void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
10129 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10131 if (bp->flags & USING_MSIX_FLAG) {
10132 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10133 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10134 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10136 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10137 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10139 if (CHIP_IS_E2(bp))
10140 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10142 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10144 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
10145 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
10146 cp->irq_arr[1].status_blk = bp->def_status_blk;
10147 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
10148 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
10153 static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10156 struct bnx2x *bp = netdev_priv(dev);
10157 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10162 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10166 bp->cnic_kwq_cons = bp->cnic_kwq;
10167 bp->cnic_kwq_prod = bp->cnic_kwq;
10168 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10170 bp->cnic_spq_pending = 0;
10171 bp->cnic_kwq_pending = 0;
10173 bp->cnic_data = data;
10176 cp->drv_state = CNIC_DRV_STATE_REGD;
10177 cp->iro_arr = bp->iro_arr;
10179 bnx2x_setup_cnic_irq_info(bp);
10181 rcu_assign_pointer(bp->cnic_ops, ops);
10186 static int bnx2x_unregister_cnic(struct net_device *dev)
10188 struct bnx2x *bp = netdev_priv(dev);
10189 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10191 mutex_lock(&bp->cnic_mutex);
10193 rcu_assign_pointer(bp->cnic_ops, NULL);
10194 mutex_unlock(&bp->cnic_mutex);
10196 kfree(bp->cnic_kwq);
10197 bp->cnic_kwq = NULL;
10202 struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10204 struct bnx2x *bp = netdev_priv(dev);
10205 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10207 /* If both iSCSI and FCoE are disabled - return NULL in
10208 * order to indicate CNIC that it should not try to work
10209 * with this device.
10211 if (NO_ISCSI(bp) && NO_FCOE(bp))
10214 cp->drv_owner = THIS_MODULE;
10215 cp->chip_id = CHIP_ID(bp);
10216 cp->pdev = bp->pdev;
10217 cp->io_base = bp->regview;
10218 cp->io_base2 = bp->doorbells;
10219 cp->max_kwqe_pending = 8;
10220 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
10221 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10222 bnx2x_cid_ilt_lines(bp);
10223 cp->ctx_tbl_len = CNIC_ILT_LINES;
10224 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
10225 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10226 cp->drv_ctl = bnx2x_drv_ctl;
10227 cp->drv_register_cnic = bnx2x_register_cnic;
10228 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
10229 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10230 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10231 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
10232 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
10234 if (NO_ISCSI_OOO(bp))
10235 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10238 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10241 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10243 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10244 "starting cid %d\n",
10246 cp->ctx_tbl_offset,
10251 EXPORT_SYMBOL(bnx2x_cnic_probe);
10253 #endif /* BCM_CNIC */