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1/* bnx2x.h: Broadcom Everest network driver.
2 *
3 * Copyright (c) 2007-2013 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 */
13
14#ifndef BNX2X_H
15#define BNX2X_H
16
17#include <linux/pci.h>
18#include <linux/netdevice.h>
19#include <linux/dma-mapping.h>
20#include <linux/types.h>
21#include <linux/pci_regs.h>
22
23/* compilation time flags */
24
25/* define this to make the driver freeze on error to allow getting debug info
26 * (you will need to reboot afterwards) */
27/* #define BNX2X_STOP_ON_ERROR */
28
29#define DRV_MODULE_VERSION "1.78.17-0"
30#define DRV_MODULE_RELDATE "2013/04/11"
31#define BNX2X_BC_VER 0x040200
32
33#if defined(CONFIG_DCB)
34#define BCM_DCBNL
35#endif
36
37#include "bnx2x_hsi.h"
38
39#include "../cnic_if.h"
40
41#define BNX2X_MIN_MSIX_VEC_CNT(bp) ((bp)->min_msix_vec_cnt)
42
43#include <linux/mdio.h>
44
45#include "bnx2x_reg.h"
46#include "bnx2x_fw_defs.h"
47#include "bnx2x_mfw_req.h"
48#include "bnx2x_link.h"
49#include "bnx2x_sp.h"
50#include "bnx2x_dcb.h"
51#include "bnx2x_stats.h"
52#include "bnx2x_vfpf.h"
53
54enum bnx2x_int_mode {
55 BNX2X_INT_MODE_MSIX,
56 BNX2X_INT_MODE_INTX,
57 BNX2X_INT_MODE_MSI
58};
59
60/* error/debug prints */
61
62#define DRV_MODULE_NAME "bnx2x"
63
64/* for messages that are currently off */
65#define BNX2X_MSG_OFF 0x0
66#define BNX2X_MSG_MCP 0x0010000 /* was: NETIF_MSG_HW */
67#define BNX2X_MSG_STATS 0x0020000 /* was: NETIF_MSG_TIMER */
68#define BNX2X_MSG_NVM 0x0040000 /* was: NETIF_MSG_HW */
69#define BNX2X_MSG_DMAE 0x0080000 /* was: NETIF_MSG_HW */
70#define BNX2X_MSG_SP 0x0100000 /* was: NETIF_MSG_INTR */
71#define BNX2X_MSG_FP 0x0200000 /* was: NETIF_MSG_INTR */
72#define BNX2X_MSG_IOV 0x0800000
73#define BNX2X_MSG_IDLE 0x2000000 /* used for idle check*/
74#define BNX2X_MSG_ETHTOOL 0x4000000
75#define BNX2X_MSG_DCB 0x8000000
76
77/* regular debug print */
78#define DP(__mask, fmt, ...) \
79do { \
80 if (unlikely(bp->msg_enable & (__mask))) \
81 pr_notice("[%s:%d(%s)]" fmt, \
82 __func__, __LINE__, \
83 bp->dev ? (bp->dev->name) : "?", \
84 ##__VA_ARGS__); \
85} while (0)
86
87#define DP_CONT(__mask, fmt, ...) \
88do { \
89 if (unlikely(bp->msg_enable & (__mask))) \
90 pr_cont(fmt, ##__VA_ARGS__); \
91} while (0)
92
93/* errors debug print */
94#define BNX2X_DBG_ERR(fmt, ...) \
95do { \
96 if (unlikely(netif_msg_probe(bp))) \
97 pr_err("[%s:%d(%s)]" fmt, \
98 __func__, __LINE__, \
99 bp->dev ? (bp->dev->name) : "?", \
100 ##__VA_ARGS__); \
101} while (0)
102
103/* for errors (never masked) */
104#define BNX2X_ERR(fmt, ...) \
105do { \
106 pr_err("[%s:%d(%s)]" fmt, \
107 __func__, __LINE__, \
108 bp->dev ? (bp->dev->name) : "?", \
109 ##__VA_ARGS__); \
110} while (0)
111
112#define BNX2X_ERROR(fmt, ...) \
113 pr_err("[%s:%d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
114
115/* before we have a dev->name use dev_info() */
116#define BNX2X_DEV_INFO(fmt, ...) \
117do { \
118 if (unlikely(netif_msg_probe(bp))) \
119 dev_info(&bp->pdev->dev, fmt, ##__VA_ARGS__); \
120} while (0)
121
122/* Error handling */
123void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int);
124#ifdef BNX2X_STOP_ON_ERROR
125#define bnx2x_panic() \
126do { \
127 bp->panic = 1; \
128 BNX2X_ERR("driver assert\n"); \
129 bnx2x_panic_dump(bp, true); \
130} while (0)
131#else
132#define bnx2x_panic() \
133do { \
134 bp->panic = 1; \
135 BNX2X_ERR("driver assert\n"); \
136 bnx2x_panic_dump(bp, false); \
137} while (0)
138#endif
139
140#define bnx2x_mc_addr(ha) ((ha)->addr)
141#define bnx2x_uc_addr(ha) ((ha)->addr)
142
143#define U64_LO(x) ((u32)(((u64)(x)) & 0xffffffff))
144#define U64_HI(x) ((u32)(((u64)(x)) >> 32))
145#define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo))
146
147#define REG_ADDR(bp, offset) ((bp->regview) + (offset))
148
149#define REG_RD(bp, offset) readl(REG_ADDR(bp, offset))
150#define REG_RD8(bp, offset) readb(REG_ADDR(bp, offset))
151#define REG_RD16(bp, offset) readw(REG_ADDR(bp, offset))
152
153#define REG_WR(bp, offset, val) writel((u32)val, REG_ADDR(bp, offset))
154#define REG_WR8(bp, offset, val) writeb((u8)val, REG_ADDR(bp, offset))
155#define REG_WR16(bp, offset, val) writew((u16)val, REG_ADDR(bp, offset))
156
157#define REG_RD_IND(bp, offset) bnx2x_reg_rd_ind(bp, offset)
158#define REG_WR_IND(bp, offset, val) bnx2x_reg_wr_ind(bp, offset, val)
159
160#define REG_RD_DMAE(bp, offset, valp, len32) \
161 do { \
162 bnx2x_read_dmae(bp, offset, len32);\
163 memcpy(valp, bnx2x_sp(bp, wb_data[0]), (len32) * 4); \
164 } while (0)
165
166#define REG_WR_DMAE(bp, offset, valp, len32) \
167 do { \
168 memcpy(bnx2x_sp(bp, wb_data[0]), valp, (len32) * 4); \
169 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), \
170 offset, len32); \
171 } while (0)
172
173#define REG_WR_DMAE_LEN(bp, offset, valp, len32) \
174 REG_WR_DMAE(bp, offset, valp, len32)
175
176#define VIRT_WR_DMAE_LEN(bp, data, addr, len32, le32_swap) \
177 do { \
178 memcpy(GUNZIP_BUF(bp), data, (len32) * 4); \
179 bnx2x_write_big_buf_wb(bp, addr, len32); \
180 } while (0)
181
182#define SHMEM_ADDR(bp, field) (bp->common.shmem_base + \
183 offsetof(struct shmem_region, field))
184#define SHMEM_RD(bp, field) REG_RD(bp, SHMEM_ADDR(bp, field))
185#define SHMEM_WR(bp, field, val) REG_WR(bp, SHMEM_ADDR(bp, field), val)
186
187#define SHMEM2_ADDR(bp, field) (bp->common.shmem2_base + \
188 offsetof(struct shmem2_region, field))
189#define SHMEM2_RD(bp, field) REG_RD(bp, SHMEM2_ADDR(bp, field))
190#define SHMEM2_WR(bp, field, val) REG_WR(bp, SHMEM2_ADDR(bp, field), val)
191#define MF_CFG_ADDR(bp, field) (bp->common.mf_cfg_base + \
192 offsetof(struct mf_cfg, field))
193#define MF2_CFG_ADDR(bp, field) (bp->common.mf2_cfg_base + \
194 offsetof(struct mf2_cfg, field))
195
196#define MF_CFG_RD(bp, field) REG_RD(bp, MF_CFG_ADDR(bp, field))
197#define MF_CFG_WR(bp, field, val) REG_WR(bp,\
198 MF_CFG_ADDR(bp, field), (val))
199#define MF2_CFG_RD(bp, field) REG_RD(bp, MF2_CFG_ADDR(bp, field))
200
201#define SHMEM2_HAS(bp, field) ((bp)->common.shmem2_base && \
202 (SHMEM2_RD((bp), size) > \
203 offsetof(struct shmem2_region, field)))
204
205#define EMAC_RD(bp, reg) REG_RD(bp, emac_base + reg)
206#define EMAC_WR(bp, reg, val) REG_WR(bp, emac_base + reg, val)
207
208/* SP SB indices */
209
210/* General SP events - stats query, cfc delete, etc */
211#define HC_SP_INDEX_ETH_DEF_CONS 3
212
213/* EQ completions */
214#define HC_SP_INDEX_EQ_CONS 7
215
216/* FCoE L2 connection completions */
217#define HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS 6
218#define HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS 4
219/* iSCSI L2 */
220#define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
221#define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
222
223/* Special clients parameters */
224
225/* SB indices */
226/* FCoE L2 */
227#define BNX2X_FCOE_L2_RX_INDEX \
228 (&bp->def_status_blk->sp_sb.\
229 index_values[HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS])
230
231#define BNX2X_FCOE_L2_TX_INDEX \
232 (&bp->def_status_blk->sp_sb.\
233 index_values[HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS])
234
235/**
236 * CIDs and CLIDs:
237 * CLIDs below is a CLID for func 0, then the CLID for other
238 * functions will be calculated by the formula:
239 *
240 * FUNC_N_CLID_X = N * NUM_SPECIAL_CLIENTS + FUNC_0_CLID_X
241 *
242 */
243enum {
244 BNX2X_ISCSI_ETH_CL_ID_IDX,
245 BNX2X_FCOE_ETH_CL_ID_IDX,
246 BNX2X_MAX_CNIC_ETH_CL_ID_IDX,
247};
248
249#define BNX2X_CNIC_START_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) *\
250 (bp)->max_cos)
251 /* iSCSI L2 */
252#define BNX2X_ISCSI_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp))
253 /* FCoE L2 */
254#define BNX2X_FCOE_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp) + 1)
255
256#define CNIC_SUPPORT(bp) ((bp)->cnic_support)
257#define CNIC_ENABLED(bp) ((bp)->cnic_enabled)
258#define CNIC_LOADED(bp) ((bp)->cnic_loaded)
259#define FCOE_INIT(bp) ((bp)->fcoe_init)
260
261#define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
262 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
263
264#define SM_RX_ID 0
265#define SM_TX_ID 1
266
267/* defines for multiple tx priority indices */
268#define FIRST_TX_ONLY_COS_INDEX 1
269#define FIRST_TX_COS_INDEX 0
270
271/* rules for calculating the cids of tx-only connections */
272#define CID_TO_FP(cid, bp) ((cid) % BNX2X_NUM_NON_CNIC_QUEUES(bp))
273#define CID_COS_TO_TX_ONLY_CID(cid, cos, bp) \
274 (cid + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
275
276/* fp index inside class of service range */
277#define FP_COS_TO_TXQ(fp, cos, bp) \
278 ((fp)->index + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
279
280/* Indexes for transmission queues array:
281 * txdata for RSS i CoS j is at location i + (j * num of RSS)
282 * txdata for FCoE (if exist) is at location max cos * num of RSS
283 * txdata for FWD (if exist) is one location after FCoE
284 * txdata for OOO (if exist) is one location after FWD
285 */
286enum {
287 FCOE_TXQ_IDX_OFFSET,
288 FWD_TXQ_IDX_OFFSET,
289 OOO_TXQ_IDX_OFFSET,
290};
291#define MAX_ETH_TXQ_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * (bp)->max_cos)
292#define FCOE_TXQ_IDX(bp) (MAX_ETH_TXQ_IDX(bp) + FCOE_TXQ_IDX_OFFSET)
293
294/* fast path */
295/*
296 * This driver uses new build_skb() API :
297 * RX ring buffer contains pointer to kmalloc() data only,
298 * skb are built only after Hardware filled the frame.
299 */
300struct sw_rx_bd {
301 u8 *data;
302 DEFINE_DMA_UNMAP_ADDR(mapping);
303};
304
305struct sw_tx_bd {
306 struct sk_buff *skb;
307 u16 first_bd;
308 u8 flags;
309/* Set on the first BD descriptor when there is a split BD */
310#define BNX2X_TSO_SPLIT_BD (1<<0)
311};
312
313struct sw_rx_page {
314 struct page *page;
315 DEFINE_DMA_UNMAP_ADDR(mapping);
316};
317
318union db_prod {
319 struct doorbell_set_prod data;
320 u32 raw;
321};
322
323/* dropless fc FW/HW related params */
324#define BRB_SIZE(bp) (CHIP_IS_E3(bp) ? 1024 : 512)
325#define MAX_AGG_QS(bp) (CHIP_IS_E1(bp) ? \
326 ETH_MAX_AGGREGATION_QUEUES_E1 :\
327 ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
328#define FW_DROP_LEVEL(bp) (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp))
329#define FW_PREFETCH_CNT 16
330#define DROPLESS_FC_HEADROOM 100
331
332/* MC hsi */
333#define BCM_PAGE_SHIFT 12
334#define BCM_PAGE_SIZE (1 << BCM_PAGE_SHIFT)
335#define BCM_PAGE_MASK (~(BCM_PAGE_SIZE - 1))
336#define BCM_PAGE_ALIGN(addr) (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
337
338#define PAGES_PER_SGE_SHIFT 0
339#define PAGES_PER_SGE (1 << PAGES_PER_SGE_SHIFT)
340#define SGE_PAGE_SIZE PAGE_SIZE
341#define SGE_PAGE_SHIFT PAGE_SHIFT
342#define SGE_PAGE_ALIGN(addr) PAGE_ALIGN((typeof(PAGE_SIZE))(addr))
343#define SGE_PAGES (SGE_PAGE_SIZE * PAGES_PER_SGE)
344#define TPA_AGG_SIZE min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * \
345 SGE_PAGES), 0xffff)
346
347/* SGE ring related macros */
348#define NUM_RX_SGE_PAGES 2
349#define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
350#define NEXT_PAGE_SGE_DESC_CNT 2
351#define MAX_RX_SGE_CNT (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT)
352/* RX_SGE_CNT is promised to be a power of 2 */
353#define RX_SGE_MASK (RX_SGE_CNT - 1)
354#define NUM_RX_SGE (RX_SGE_CNT * NUM_RX_SGE_PAGES)
355#define MAX_RX_SGE (NUM_RX_SGE - 1)
356#define NEXT_SGE_IDX(x) ((((x) & RX_SGE_MASK) == \
357 (MAX_RX_SGE_CNT - 1)) ? \
358 (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \
359 (x) + 1)
360#define RX_SGE(x) ((x) & MAX_RX_SGE)
361
362/*
363 * Number of required SGEs is the sum of two:
364 * 1. Number of possible opened aggregations (next packet for
365 * these aggregations will probably consume SGE immediately)
366 * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
367 * after placement on BD for new TPA aggregation)
368 *
369 * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page
370 */
371#define NUM_SGE_REQ (MAX_AGG_QS(bp) + \
372 (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2)
373#define NUM_SGE_PG_REQ ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \
374 MAX_RX_SGE_CNT)
375#define SGE_TH_LO(bp) (NUM_SGE_REQ + \
376 NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT)
377#define SGE_TH_HI(bp) (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM)
378
379/* Manipulate a bit vector defined as an array of u64 */
380
381/* Number of bits in one sge_mask array element */
382#define BIT_VEC64_ELEM_SZ 64
383#define BIT_VEC64_ELEM_SHIFT 6
384#define BIT_VEC64_ELEM_MASK ((u64)BIT_VEC64_ELEM_SZ - 1)
385
386#define __BIT_VEC64_SET_BIT(el, bit) \
387 do { \
388 el = ((el) | ((u64)0x1 << (bit))); \
389 } while (0)
390
391#define __BIT_VEC64_CLEAR_BIT(el, bit) \
392 do { \
393 el = ((el) & (~((u64)0x1 << (bit)))); \
394 } while (0)
395
396#define BIT_VEC64_SET_BIT(vec64, idx) \
397 __BIT_VEC64_SET_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
398 (idx) & BIT_VEC64_ELEM_MASK)
399
400#define BIT_VEC64_CLEAR_BIT(vec64, idx) \
401 __BIT_VEC64_CLEAR_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
402 (idx) & BIT_VEC64_ELEM_MASK)
403
404#define BIT_VEC64_TEST_BIT(vec64, idx) \
405 (((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT] >> \
406 ((idx) & BIT_VEC64_ELEM_MASK)) & 0x1)
407
408/* Creates a bitmask of all ones in less significant bits.
409 idx - index of the most significant bit in the created mask */
410#define BIT_VEC64_ONES_MASK(idx) \
411 (((u64)0x1 << (((idx) & BIT_VEC64_ELEM_MASK) + 1)) - 1)
412#define BIT_VEC64_ELEM_ONE_MASK ((u64)(~0))
413
414/*******************************************************/
415
416/* Number of u64 elements in SGE mask array */
417#define RX_SGE_MASK_LEN (NUM_RX_SGE / BIT_VEC64_ELEM_SZ)
418#define RX_SGE_MASK_LEN_MASK (RX_SGE_MASK_LEN - 1)
419#define NEXT_SGE_MASK_ELEM(el) (((el) + 1) & RX_SGE_MASK_LEN_MASK)
420
421union host_hc_status_block {
422 /* pointer to fp status block e1x */
423 struct host_hc_status_block_e1x *e1x_sb;
424 /* pointer to fp status block e2 */
425 struct host_hc_status_block_e2 *e2_sb;
426};
427
428struct bnx2x_agg_info {
429 /*
430 * First aggregation buffer is a data buffer, the following - are pages.
431 * We will preallocate the data buffer for each aggregation when
432 * we open the interface and will replace the BD at the consumer
433 * with this one when we receive the TPA_START CQE in order to
434 * keep the Rx BD ring consistent.
435 */
436 struct sw_rx_bd first_buf;
437 u8 tpa_state;
438#define BNX2X_TPA_START 1
439#define BNX2X_TPA_STOP 2
440#define BNX2X_TPA_ERROR 3
441 u8 placement_offset;
442 u16 parsing_flags;
443 u16 vlan_tag;
444 u16 len_on_bd;
445 u32 rxhash;
446 bool l4_rxhash;
447 u16 gro_size;
448 u16 full_page;
449};
450
451#define Q_STATS_OFFSET32(stat_name) \
452 (offsetof(struct bnx2x_eth_q_stats, stat_name) / 4)
453
454struct bnx2x_fp_txdata {
455
456 struct sw_tx_bd *tx_buf_ring;
457
458 union eth_tx_bd_types *tx_desc_ring;
459 dma_addr_t tx_desc_mapping;
460
461 u32 cid;
462
463 union db_prod tx_db;
464
465 u16 tx_pkt_prod;
466 u16 tx_pkt_cons;
467 u16 tx_bd_prod;
468 u16 tx_bd_cons;
469
470 unsigned long tx_pkt;
471
472 __le16 *tx_cons_sb;
473
474 int txq_index;
475 struct bnx2x_fastpath *parent_fp;
476 int tx_ring_size;
477};
478
479enum bnx2x_tpa_mode_t {
480 TPA_MODE_LRO,
481 TPA_MODE_GRO
482};
483
484struct bnx2x_fastpath {
485 struct bnx2x *bp; /* parent */
486
487 struct napi_struct napi;
488 union host_hc_status_block status_blk;
489 /* chip independent shortcuts into sb structure */
490 __le16 *sb_index_values;
491 __le16 *sb_running_index;
492 /* chip independent shortcut into rx_prods_offset memory */
493 u32 ustorm_rx_prods_offset;
494
495 u32 rx_buf_size;
496 u32 rx_frag_size; /* 0 if kmalloced(), or rx_buf_size + NET_SKB_PAD */
497 dma_addr_t status_blk_mapping;
498
499 enum bnx2x_tpa_mode_t mode;
500
501 u8 max_cos; /* actual number of active tx coses */
502 struct bnx2x_fp_txdata *txdata_ptr[BNX2X_MULTI_TX_COS];
503
504 struct sw_rx_bd *rx_buf_ring; /* BDs mappings ring */
505 struct sw_rx_page *rx_page_ring; /* SGE pages mappings ring */
506
507 struct eth_rx_bd *rx_desc_ring;
508 dma_addr_t rx_desc_mapping;
509
510 union eth_rx_cqe *rx_comp_ring;
511 dma_addr_t rx_comp_mapping;
512
513 /* SGE ring */
514 struct eth_rx_sge *rx_sge_ring;
515 dma_addr_t rx_sge_mapping;
516
517 u64 sge_mask[RX_SGE_MASK_LEN];
518
519 u32 cid;
520
521 __le16 fp_hc_idx;
522
523 u8 index; /* number in fp array */
524 u8 rx_queue; /* index for skb_record */
525 u8 cl_id; /* eth client id */
526 u8 cl_qzone_id;
527 u8 fw_sb_id; /* status block number in FW */
528 u8 igu_sb_id; /* status block number in HW */
529
530 u16 rx_bd_prod;
531 u16 rx_bd_cons;
532 u16 rx_comp_prod;
533 u16 rx_comp_cons;
534 u16 rx_sge_prod;
535 /* The last maximal completed SGE */
536 u16 last_max_sge;
537 __le16 *rx_cons_sb;
538 unsigned long rx_pkt,
539 rx_calls;
540
541 /* TPA related */
542 struct bnx2x_agg_info *tpa_info;
543 u8 disable_tpa;
544#ifdef BNX2X_STOP_ON_ERROR
545 u64 tpa_queue_used;
546#endif
547 /* The size is calculated using the following:
548 sizeof name field from netdev structure +
549 4 ('-Xx-' string) +
550 4 (for the digits and to make it DWORD aligned) */
551#define FP_NAME_SIZE (sizeof(((struct net_device *)0)->name) + 8)
552 char name[FP_NAME_SIZE];
553};
554
555#define bnx2x_fp(bp, nr, var) ((bp)->fp[(nr)].var)
556#define bnx2x_sp_obj(bp, fp) ((bp)->sp_objs[(fp)->index])
557#define bnx2x_fp_stats(bp, fp) (&((bp)->fp_stats[(fp)->index]))
558#define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats))
559
560/* Use 2500 as a mini-jumbo MTU for FCoE */
561#define BNX2X_FCOE_MINI_JUMBO_MTU 2500
562
563#define FCOE_IDX_OFFSET 0
564
565#define FCOE_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) + \
566 FCOE_IDX_OFFSET)
567#define bnx2x_fcoe_fp(bp) (&bp->fp[FCOE_IDX(bp)])
568#define bnx2x_fcoe(bp, var) (bnx2x_fcoe_fp(bp)->var)
569#define bnx2x_fcoe_inner_sp_obj(bp) (&bp->sp_objs[FCOE_IDX(bp)])
570#define bnx2x_fcoe_sp_obj(bp, var) (bnx2x_fcoe_inner_sp_obj(bp)->var)
571#define bnx2x_fcoe_tx(bp, var) (bnx2x_fcoe_fp(bp)-> \
572 txdata_ptr[FIRST_TX_COS_INDEX] \
573 ->var)
574
575#define IS_ETH_FP(fp) ((fp)->index < BNX2X_NUM_ETH_QUEUES((fp)->bp))
576#define IS_FCOE_FP(fp) ((fp)->index == FCOE_IDX((fp)->bp))
577#define IS_FCOE_IDX(idx) ((idx) == FCOE_IDX(bp))
578
579/* MC hsi */
580#define MAX_FETCH_BD 13 /* HW max BDs per packet */
581#define RX_COPY_THRESH 92
582
583#define NUM_TX_RINGS 16
584#define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
585#define NEXT_PAGE_TX_DESC_CNT 1
586#define MAX_TX_DESC_CNT (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT)
587#define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS)
588#define MAX_TX_BD (NUM_TX_BD - 1)
589#define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
590#define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \
591 (MAX_TX_DESC_CNT - 1)) ? \
592 (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \
593 (x) + 1)
594#define TX_BD(x) ((x) & MAX_TX_BD)
595#define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT)
596
597/* number of NEXT_PAGE descriptors may be required during placement */
598#define NEXT_CNT_PER_TX_PKT(bds) \
599 (((bds) + MAX_TX_DESC_CNT - 1) / \
600 MAX_TX_DESC_CNT * NEXT_PAGE_TX_DESC_CNT)
601/* max BDs per tx packet w/o next_pages:
602 * START_BD - describes packed
603 * START_BD(splitted) - includes unpaged data segment for GSO
604 * PARSING_BD - for TSO and CSUM data
605 * PARSING_BD2 - for encapsulation data
606 * Frag BDs - describes pages for frags
607 */
608#define BDS_PER_TX_PKT 4
609#define MAX_BDS_PER_TX_PKT (MAX_SKB_FRAGS + BDS_PER_TX_PKT)
610/* max BDs per tx packet including next pages */
611#define MAX_DESC_PER_TX_PKT (MAX_BDS_PER_TX_PKT + \
612 NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))
613
614/* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
615#define NUM_RX_RINGS 8
616#define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
617#define NEXT_PAGE_RX_DESC_CNT 2
618#define MAX_RX_DESC_CNT (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT)
619#define RX_DESC_MASK (RX_DESC_CNT - 1)
620#define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS)
621#define MAX_RX_BD (NUM_RX_BD - 1)
622#define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
623
624/* dropless fc calculations for BDs
625 *
626 * Number of BDs should as number of buffers in BRB:
627 * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT
628 * "next" elements on each page
629 */
630#define NUM_BD_REQ BRB_SIZE(bp)
631#define NUM_BD_PG_REQ ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \
632 MAX_RX_DESC_CNT)
633#define BD_TH_LO(bp) (NUM_BD_REQ + \
634 NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \
635 FW_DROP_LEVEL(bp))
636#define BD_TH_HI(bp) (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM)
637
638#define MIN_RX_AVAIL ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128)
639
640#define MIN_RX_SIZE_TPA_HW (CHIP_IS_E1(bp) ? \
641 ETH_MIN_RX_CQES_WITH_TPA_E1 : \
642 ETH_MIN_RX_CQES_WITH_TPA_E1H_E2)
643#define MIN_RX_SIZE_NONTPA_HW ETH_MIN_RX_CQES_WITHOUT_TPA
644#define MIN_RX_SIZE_TPA (max_t(u32, MIN_RX_SIZE_TPA_HW, MIN_RX_AVAIL))
645#define MIN_RX_SIZE_NONTPA (max_t(u32, MIN_RX_SIZE_NONTPA_HW,\
646 MIN_RX_AVAIL))
647
648#define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \
649 (MAX_RX_DESC_CNT - 1)) ? \
650 (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \
651 (x) + 1)
652#define RX_BD(x) ((x) & MAX_RX_BD)
653
654/*
655 * As long as CQE is X times bigger than BD entry we have to allocate X times
656 * more pages for CQ ring in order to keep it balanced with BD ring
657 */
658#define CQE_BD_REL (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd))
659#define NUM_RCQ_RINGS (NUM_RX_RINGS * CQE_BD_REL)
660#define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
661#define NEXT_PAGE_RCQ_DESC_CNT 1
662#define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT)
663#define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS)
664#define MAX_RCQ_BD (NUM_RCQ_BD - 1)
665#define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
666#define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \
667 (MAX_RCQ_DESC_CNT - 1)) ? \
668 (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \
669 (x) + 1)
670#define RCQ_BD(x) ((x) & MAX_RCQ_BD)
671
672/* dropless fc calculations for RCQs
673 *
674 * Number of RCQs should be as number of buffers in BRB:
675 * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT
676 * "next" elements on each page
677 */
678#define NUM_RCQ_REQ BRB_SIZE(bp)
679#define NUM_RCQ_PG_REQ ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \
680 MAX_RCQ_DESC_CNT)
681#define RCQ_TH_LO(bp) (NUM_RCQ_REQ + \
682 NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \
683 FW_DROP_LEVEL(bp))
684#define RCQ_TH_HI(bp) (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM)
685
686/* This is needed for determining of last_max */
687#define SUB_S16(a, b) (s16)((s16)(a) - (s16)(b))
688#define SUB_S32(a, b) (s32)((s32)(a) - (s32)(b))
689
690#define BNX2X_SWCID_SHIFT 17
691#define BNX2X_SWCID_MASK ((0x1 << BNX2X_SWCID_SHIFT) - 1)
692
693/* used on a CID received from the HW */
694#define SW_CID(x) (le32_to_cpu(x) & BNX2X_SWCID_MASK)
695#define CQE_CMD(x) (le32_to_cpu(x) >> \
696 COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
697
698#define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr_hi), \
699 le32_to_cpu((bd)->addr_lo))
700#define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes))
701
702#define BNX2X_DB_MIN_SHIFT 3 /* 8 bytes */
703#define BNX2X_DB_SHIFT 7 /* 128 bytes*/
704#if (BNX2X_DB_SHIFT < BNX2X_DB_MIN_SHIFT)
705#error "Min DB doorbell stride is 8"
706#endif
707#define DPM_TRIGER_TYPE 0x40
708#define DOORBELL(bp, cid, val) \
709 do { \
710 writel((u32)(val), bp->doorbells + (bp->db_size * (cid)) + \
711 DPM_TRIGER_TYPE); \
712 } while (0)
713
714/* TX CSUM helpers */
715#define SKB_CS_OFF(skb) (offsetof(struct tcphdr, check) - \
716 skb->csum_offset)
717#define SKB_CS(skb) (*(u16 *)(skb_transport_header(skb) + \
718 skb->csum_offset))
719
720#define pbd_tcp_flags(tcp_hdr) (ntohl(tcp_flag_word(tcp_hdr))>>16 & 0xff)
721
722#define XMIT_PLAIN 0
723#define XMIT_CSUM_V4 (1 << 0)
724#define XMIT_CSUM_V6 (1 << 1)
725#define XMIT_CSUM_TCP (1 << 2)
726#define XMIT_GSO_V4 (1 << 3)
727#define XMIT_GSO_V6 (1 << 4)
728#define XMIT_CSUM_ENC_V4 (1 << 5)
729#define XMIT_CSUM_ENC_V6 (1 << 6)
730#define XMIT_GSO_ENC_V4 (1 << 7)
731#define XMIT_GSO_ENC_V6 (1 << 8)
732
733#define XMIT_CSUM_ENC (XMIT_CSUM_ENC_V4 | XMIT_CSUM_ENC_V6)
734#define XMIT_GSO_ENC (XMIT_GSO_ENC_V4 | XMIT_GSO_ENC_V6)
735
736#define XMIT_CSUM (XMIT_CSUM_V4 | XMIT_CSUM_V6 | XMIT_CSUM_ENC)
737#define XMIT_GSO (XMIT_GSO_V4 | XMIT_GSO_V6 | XMIT_GSO_ENC)
738
739/* stuff added to make the code fit 80Col */
740#define CQE_TYPE(cqe_fp_flags) ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
741#define CQE_TYPE_START(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_START_AGG)
742#define CQE_TYPE_STOP(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_STOP_AGG)
743#define CQE_TYPE_SLOW(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_RAMROD)
744#define CQE_TYPE_FAST(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_FASTPATH)
745
746#define ETH_RX_ERROR_FALGS ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
747
748#define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
749 (((le16_to_cpu(flags) & \
750 PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
751 PARSING_FLAGS_OVER_ETHERNET_PROTOCOL_SHIFT) \
752 == PRS_FLAG_OVERETH_IPV4)
753#define BNX2X_RX_SUM_FIX(cqe) \
754 BNX2X_PRS_FLAG_OVERETH_IPV4(cqe->fast_path_cqe.pars_flags.flags)
755
756#define FP_USB_FUNC_OFF \
757 offsetof(struct cstorm_status_block_u, func)
758#define FP_CSB_FUNC_OFF \
759 offsetof(struct cstorm_status_block_c, func)
760
761#define HC_INDEX_ETH_RX_CQ_CONS 1
762
763#define HC_INDEX_OOO_TX_CQ_CONS 4
764
765#define HC_INDEX_ETH_TX_CQ_CONS_COS0 5
766
767#define HC_INDEX_ETH_TX_CQ_CONS_COS1 6
768
769#define HC_INDEX_ETH_TX_CQ_CONS_COS2 7
770
771#define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0
772
773#define BNX2X_RX_SB_INDEX \
774 (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
775
776#define BNX2X_TX_SB_INDEX_BASE BNX2X_TX_SB_INDEX_COS0
777
778#define BNX2X_TX_SB_INDEX_COS0 \
779 (&fp->sb_index_values[HC_INDEX_ETH_TX_CQ_CONS_COS0])
780
781/* end of fast path */
782
783/* common */
784
785struct bnx2x_common {
786
787 u32 chip_id;
788/* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
789#define CHIP_ID(bp) (bp->common.chip_id & 0xfffffff0)
790
791#define CHIP_NUM(bp) (bp->common.chip_id >> 16)
792#define CHIP_NUM_57710 0x164e
793#define CHIP_NUM_57711 0x164f
794#define CHIP_NUM_57711E 0x1650
795#define CHIP_NUM_57712 0x1662
796#define CHIP_NUM_57712_MF 0x1663
797#define CHIP_NUM_57712_VF 0x166f
798#define CHIP_NUM_57713 0x1651
799#define CHIP_NUM_57713E 0x1652
800#define CHIP_NUM_57800 0x168a
801#define CHIP_NUM_57800_MF 0x16a5
802#define CHIP_NUM_57800_VF 0x16a9
803#define CHIP_NUM_57810 0x168e
804#define CHIP_NUM_57810_MF 0x16ae
805#define CHIP_NUM_57810_VF 0x16af
806#define CHIP_NUM_57811 0x163d
807#define CHIP_NUM_57811_MF 0x163e
808#define CHIP_NUM_57811_VF 0x163f
809#define CHIP_NUM_57840_OBSOLETE 0x168d
810#define CHIP_NUM_57840_MF_OBSOLETE 0x16ab
811#define CHIP_NUM_57840_4_10 0x16a1
812#define CHIP_NUM_57840_2_20 0x16a2
813#define CHIP_NUM_57840_MF 0x16a4
814#define CHIP_NUM_57840_VF 0x16ad
815#define CHIP_IS_E1(bp) (CHIP_NUM(bp) == CHIP_NUM_57710)
816#define CHIP_IS_57711(bp) (CHIP_NUM(bp) == CHIP_NUM_57711)
817#define CHIP_IS_57711E(bp) (CHIP_NUM(bp) == CHIP_NUM_57711E)
818#define CHIP_IS_57712(bp) (CHIP_NUM(bp) == CHIP_NUM_57712)
819#define CHIP_IS_57712_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_VF)
820#define CHIP_IS_57712_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_MF)
821#define CHIP_IS_57800(bp) (CHIP_NUM(bp) == CHIP_NUM_57800)
822#define CHIP_IS_57800_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_MF)
823#define CHIP_IS_57800_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_VF)
824#define CHIP_IS_57810(bp) (CHIP_NUM(bp) == CHIP_NUM_57810)
825#define CHIP_IS_57810_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_MF)
826#define CHIP_IS_57810_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_VF)
827#define CHIP_IS_57811(bp) (CHIP_NUM(bp) == CHIP_NUM_57811)
828#define CHIP_IS_57811_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_MF)
829#define CHIP_IS_57811_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_VF)
830#define CHIP_IS_57840(bp) \
831 ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) || \
832 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) || \
833 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE))
834#define CHIP_IS_57840_MF(bp) ((CHIP_NUM(bp) == CHIP_NUM_57840_MF) || \
835 (CHIP_NUM(bp) == CHIP_NUM_57840_MF_OBSOLETE))
836#define CHIP_IS_57840_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57840_VF)
837#define CHIP_IS_E1H(bp) (CHIP_IS_57711(bp) || \
838 CHIP_IS_57711E(bp))
839#define CHIP_IS_57811xx(bp) (CHIP_IS_57811(bp) || \
840 CHIP_IS_57811_MF(bp) || \
841 CHIP_IS_57811_VF(bp))
842#define CHIP_IS_E2(bp) (CHIP_IS_57712(bp) || \
843 CHIP_IS_57712_MF(bp) || \
844 CHIP_IS_57712_VF(bp))
845#define CHIP_IS_E3(bp) (CHIP_IS_57800(bp) || \
846 CHIP_IS_57800_MF(bp) || \
847 CHIP_IS_57800_VF(bp) || \
848 CHIP_IS_57810(bp) || \
849 CHIP_IS_57810_MF(bp) || \
850 CHIP_IS_57810_VF(bp) || \
851 CHIP_IS_57811xx(bp) || \
852 CHIP_IS_57840(bp) || \
853 CHIP_IS_57840_MF(bp) || \
854 CHIP_IS_57840_VF(bp))
855#define CHIP_IS_E1x(bp) (CHIP_IS_E1((bp)) || CHIP_IS_E1H((bp)))
856#define USES_WARPCORE(bp) (CHIP_IS_E3(bp))
857#define IS_E1H_OFFSET (!CHIP_IS_E1(bp))
858
859#define CHIP_REV_SHIFT 12
860#define CHIP_REV_MASK (0xF << CHIP_REV_SHIFT)
861#define CHIP_REV_VAL(bp) (bp->common.chip_id & CHIP_REV_MASK)
862#define CHIP_REV_Ax (0x0 << CHIP_REV_SHIFT)
863#define CHIP_REV_Bx (0x1 << CHIP_REV_SHIFT)
864/* assume maximum 5 revisions */
865#define CHIP_REV_IS_SLOW(bp) (CHIP_REV_VAL(bp) > 0x00005000)
866/* Emul versions are A=>0xe, B=>0xc, C=>0xa, D=>8, E=>6 */
867#define CHIP_REV_IS_EMUL(bp) ((CHIP_REV_IS_SLOW(bp)) && \
868 !(CHIP_REV_VAL(bp) & 0x00001000))
869/* FPGA versions are A=>0xf, B=>0xd, C=>0xb, D=>9, E=>7 */
870#define CHIP_REV_IS_FPGA(bp) ((CHIP_REV_IS_SLOW(bp)) && \
871 (CHIP_REV_VAL(bp) & 0x00001000))
872
873#define CHIP_TIME(bp) ((CHIP_REV_IS_EMUL(bp)) ? 2000 : \
874 ((CHIP_REV_IS_FPGA(bp)) ? 200 : 1))
875
876#define CHIP_METAL(bp) (bp->common.chip_id & 0x00000ff0)
877#define CHIP_BOND_ID(bp) (bp->common.chip_id & 0x0000000f)
878#define CHIP_REV_SIM(bp) (((CHIP_REV_MASK - CHIP_REV_VAL(bp)) >>\
879 (CHIP_REV_SHIFT + 1)) \
880 << CHIP_REV_SHIFT)
881#define CHIP_REV(bp) (CHIP_REV_IS_SLOW(bp) ? \
882 CHIP_REV_SIM(bp) :\
883 CHIP_REV_VAL(bp))
884#define CHIP_IS_E3B0(bp) (CHIP_IS_E3(bp) && \
885 (CHIP_REV(bp) == CHIP_REV_Bx))
886#define CHIP_IS_E3A0(bp) (CHIP_IS_E3(bp) && \
887 (CHIP_REV(bp) == CHIP_REV_Ax))
888/* This define is used in two main places:
889 * 1. In the early stages of nic_load, to know if to configure Parser / Searcher
890 * to nic-only mode or to offload mode. Offload mode is configured if either the
891 * chip is E1x (where MIC_MODE register is not applicable), or if cnic already
892 * registered for this port (which means that the user wants storage services).
893 * 2. During cnic-related load, to know if offload mode is already configured in
894 * the HW or needs to be configured.
895 * Since the transition from nic-mode to offload-mode in HW causes traffic
896 * corruption, nic-mode is configured only in ports on which storage services
897 * where never requested.
898 */
899#define CONFIGURE_NIC_MODE(bp) (!CHIP_IS_E1x(bp) && !CNIC_ENABLED(bp))
900
901 int flash_size;
902#define BNX2X_NVRAM_1MB_SIZE 0x20000 /* 1M bit in bytes */
903#define BNX2X_NVRAM_TIMEOUT_COUNT 30000
904#define BNX2X_NVRAM_PAGE_SIZE 256
905
906 u32 shmem_base;
907 u32 shmem2_base;
908 u32 mf_cfg_base;
909 u32 mf2_cfg_base;
910
911 u32 hw_config;
912
913 u32 bc_ver;
914
915 u8 int_block;
916#define INT_BLOCK_HC 0
917#define INT_BLOCK_IGU 1
918#define INT_BLOCK_MODE_NORMAL 0
919#define INT_BLOCK_MODE_BW_COMP 2
920#define CHIP_INT_MODE_IS_NBC(bp) \
921 (!CHIP_IS_E1x(bp) && \
922 !((bp)->common.int_block & INT_BLOCK_MODE_BW_COMP))
923#define CHIP_INT_MODE_IS_BC(bp) (!CHIP_INT_MODE_IS_NBC(bp))
924
925 u8 chip_port_mode;
926#define CHIP_4_PORT_MODE 0x0
927#define CHIP_2_PORT_MODE 0x1
928#define CHIP_PORT_MODE_NONE 0x2
929#define CHIP_MODE(bp) (bp->common.chip_port_mode)
930#define CHIP_MODE_IS_4_PORT(bp) (CHIP_MODE(bp) == CHIP_4_PORT_MODE)
931
932 u32 boot_mode;
933};
934
935/* IGU MSIX STATISTICS on 57712: 64 for VFs; 4 for PFs; 4 for Attentions */
936#define BNX2X_IGU_STAS_MSG_VF_CNT 64
937#define BNX2X_IGU_STAS_MSG_PF_CNT 4
938
939#define MAX_IGU_ATTN_ACK_TO 100
940/* end of common */
941
942/* port */
943
944struct bnx2x_port {
945 u32 pmf;
946
947 u32 link_config[LINK_CONFIG_SIZE];
948
949 u32 supported[LINK_CONFIG_SIZE];
950/* link settings - missing defines */
951#define SUPPORTED_2500baseX_Full (1 << 15)
952
953 u32 advertising[LINK_CONFIG_SIZE];
954/* link settings - missing defines */
955#define ADVERTISED_2500baseX_Full (1 << 15)
956
957 u32 phy_addr;
958
959 /* used to synchronize phy accesses */
960 struct mutex phy_mutex;
961
962 u32 port_stx;
963
964 struct nig_stats old_nig_stats;
965};
966
967/* end of port */
968
969#define STATS_OFFSET32(stat_name) \
970 (offsetof(struct bnx2x_eth_stats, stat_name) / 4)
971
972/* slow path */
973
974/* slow path work-queue */
975extern struct workqueue_struct *bnx2x_wq;
976
977#define BNX2X_MAX_NUM_OF_VFS 64
978#define BNX2X_VF_CID_WND 0
979#define BNX2X_CIDS_PER_VF (1 << BNX2X_VF_CID_WND)
980#define BNX2X_CLIENTS_PER_VF 1
981#define BNX2X_FIRST_VF_CID 256
982#define BNX2X_VF_CIDS (BNX2X_MAX_NUM_OF_VFS * BNX2X_CIDS_PER_VF)
983#define BNX2X_VF_ID_INVALID 0xFF
984
985/*
986 * The total number of L2 queues, MSIX vectors and HW contexts (CIDs) is
987 * control by the number of fast-path status blocks supported by the
988 * device (HW/FW). Each fast-path status block (FP-SB) aka non-default
989 * status block represents an independent interrupts context that can
990 * serve a regular L2 networking queue. However special L2 queues such
991 * as the FCoE queue do not require a FP-SB and other components like
992 * the CNIC may consume FP-SB reducing the number of possible L2 queues
993 *
994 * If the maximum number of FP-SB available is X then:
995 * a. If CNIC is supported it consumes 1 FP-SB thus the max number of
996 * regular L2 queues is Y=X-1
997 * b. In MF mode the actual number of L2 queues is Y= (X-1/MF_factor)
998 * c. If the FCoE L2 queue is supported the actual number of L2 queues
999 * is Y+1
1000 * d. The number of irqs (MSIX vectors) is either Y+1 (one extra for
1001 * slow-path interrupts) or Y+2 if CNIC is supported (one additional
1002 * FP interrupt context for the CNIC).
1003 * e. The number of HW context (CID count) is always X or X+1 if FCoE
1004 * L2 queue is supported. The cid for the FCoE L2 queue is always X.
1005 */
1006
1007/* fast-path interrupt contexts E1x */
1008#define FP_SB_MAX_E1x 16
1009/* fast-path interrupt contexts E2 */
1010#define FP_SB_MAX_E2 HC_SB_MAX_SB_E2
1011
1012union cdu_context {
1013 struct eth_context eth;
1014 char pad[1024];
1015};
1016
1017/* CDU host DB constants */
1018#define CDU_ILT_PAGE_SZ_HW 2
1019#define CDU_ILT_PAGE_SZ (8192 << CDU_ILT_PAGE_SZ_HW) /* 32K */
1020#define ILT_PAGE_CIDS (CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
1021
1022#define CNIC_ISCSI_CID_MAX 256
1023#define CNIC_FCOE_CID_MAX 2048
1024#define CNIC_CID_MAX (CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
1025#define CNIC_ILT_LINES DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
1026
1027#define QM_ILT_PAGE_SZ_HW 0
1028#define QM_ILT_PAGE_SZ (4096 << QM_ILT_PAGE_SZ_HW) /* 4K */
1029#define QM_CID_ROUND 1024
1030
1031/* TM (timers) host DB constants */
1032#define TM_ILT_PAGE_SZ_HW 0
1033#define TM_ILT_PAGE_SZ (4096 << TM_ILT_PAGE_SZ_HW) /* 4K */
1034/* #define TM_CONN_NUM (CNIC_STARTING_CID+CNIC_ISCSI_CXT_MAX) */
1035#define TM_CONN_NUM 1024
1036#define TM_ILT_SZ (8 * TM_CONN_NUM)
1037#define TM_ILT_LINES DIV_ROUND_UP(TM_ILT_SZ, TM_ILT_PAGE_SZ)
1038
1039/* SRC (Searcher) host DB constants */
1040#define SRC_ILT_PAGE_SZ_HW 0
1041#define SRC_ILT_PAGE_SZ (4096 << SRC_ILT_PAGE_SZ_HW) /* 4K */
1042#define SRC_HASH_BITS 10
1043#define SRC_CONN_NUM (1 << SRC_HASH_BITS) /* 1024 */
1044#define SRC_ILT_SZ (sizeof(struct src_ent) * SRC_CONN_NUM)
1045#define SRC_T2_SZ SRC_ILT_SZ
1046#define SRC_ILT_LINES DIV_ROUND_UP(SRC_ILT_SZ, SRC_ILT_PAGE_SZ)
1047
1048#define MAX_DMAE_C 8
1049
1050/* DMA memory not used in fastpath */
1051struct bnx2x_slowpath {
1052 union {
1053 struct mac_configuration_cmd e1x;
1054 struct eth_classify_rules_ramrod_data e2;
1055 } mac_rdata;
1056
1057 union {
1058 struct tstorm_eth_mac_filter_config e1x;
1059 struct eth_filter_rules_ramrod_data e2;
1060 } rx_mode_rdata;
1061
1062 union {
1063 struct mac_configuration_cmd e1;
1064 struct eth_multicast_rules_ramrod_data e2;
1065 } mcast_rdata;
1066
1067 struct eth_rss_update_ramrod_data rss_rdata;
1068
1069 /* Queue State related ramrods are always sent under rtnl_lock */
1070 union {
1071 struct client_init_ramrod_data init_data;
1072 struct client_update_ramrod_data update_data;
1073 } q_rdata;
1074
1075 union {
1076 struct function_start_data func_start;
1077 /* pfc configuration for DCBX ramrod */
1078 struct flow_control_configuration pfc_config;
1079 } func_rdata;
1080
1081 /* afex ramrod can not be a part of func_rdata union because these
1082 * events might arrive in parallel to other events from func_rdata.
1083 * Therefore, if they would have been defined in the same union,
1084 * data can get corrupted.
1085 */
1086 struct afex_vif_list_ramrod_data func_afex_rdata;
1087
1088 /* used by dmae command executer */
1089 struct dmae_command dmae[MAX_DMAE_C];
1090
1091 u32 stats_comp;
1092 union mac_stats mac_stats;
1093 struct nig_stats nig_stats;
1094 struct host_port_stats port_stats;
1095 struct host_func_stats func_stats;
1096
1097 u32 wb_comp;
1098 u32 wb_data[4];
1099
1100 union drv_info_to_mcp drv_info_to_mcp;
1101};
1102
1103#define bnx2x_sp(bp, var) (&bp->slowpath->var)
1104#define bnx2x_sp_mapping(bp, var) \
1105 (bp->slowpath_mapping + offsetof(struct bnx2x_slowpath, var))
1106
1107/* attn group wiring */
1108#define MAX_DYNAMIC_ATTN_GRPS 8
1109
1110struct attn_route {
1111 u32 sig[5];
1112};
1113
1114struct iro {
1115 u32 base;
1116 u16 m1;
1117 u16 m2;
1118 u16 m3;
1119 u16 size;
1120};
1121
1122struct hw_context {
1123 union cdu_context *vcxt;
1124 dma_addr_t cxt_mapping;
1125 size_t size;
1126};
1127
1128/* forward */
1129struct bnx2x_ilt;
1130
1131struct bnx2x_vfdb;
1132
1133enum bnx2x_recovery_state {
1134 BNX2X_RECOVERY_DONE,
1135 BNX2X_RECOVERY_INIT,
1136 BNX2X_RECOVERY_WAIT,
1137 BNX2X_RECOVERY_FAILED,
1138 BNX2X_RECOVERY_NIC_LOADING
1139};
1140
1141/*
1142 * Event queue (EQ or event ring) MC hsi
1143 * NUM_EQ_PAGES and EQ_DESC_CNT_PAGE must be power of 2
1144 */
1145#define NUM_EQ_PAGES 1
1146#define EQ_DESC_CNT_PAGE (BCM_PAGE_SIZE / sizeof(union event_ring_elem))
1147#define EQ_DESC_MAX_PAGE (EQ_DESC_CNT_PAGE - 1)
1148#define NUM_EQ_DESC (EQ_DESC_CNT_PAGE * NUM_EQ_PAGES)
1149#define EQ_DESC_MASK (NUM_EQ_DESC - 1)
1150#define MAX_EQ_AVAIL (EQ_DESC_MAX_PAGE * NUM_EQ_PAGES - 2)
1151
1152/* depends on EQ_DESC_CNT_PAGE being a power of 2 */
1153#define NEXT_EQ_IDX(x) ((((x) & EQ_DESC_MAX_PAGE) == \
1154 (EQ_DESC_MAX_PAGE - 1)) ? (x) + 2 : (x) + 1)
1155
1156/* depends on the above and on NUM_EQ_PAGES being a power of 2 */
1157#define EQ_DESC(x) ((x) & EQ_DESC_MASK)
1158
1159#define BNX2X_EQ_INDEX \
1160 (&bp->def_status_blk->sp_sb.\
1161 index_values[HC_SP_INDEX_EQ_CONS])
1162
1163/* This is a data that will be used to create a link report message.
1164 * We will keep the data used for the last link report in order
1165 * to prevent reporting the same link parameters twice.
1166 */
1167struct bnx2x_link_report_data {
1168 u16 line_speed; /* Effective line speed */
1169 unsigned long link_report_flags;/* BNX2X_LINK_REPORT_XXX flags */
1170};
1171
1172enum {
1173 BNX2X_LINK_REPORT_FD, /* Full DUPLEX */
1174 BNX2X_LINK_REPORT_LINK_DOWN,
1175 BNX2X_LINK_REPORT_RX_FC_ON,
1176 BNX2X_LINK_REPORT_TX_FC_ON,
1177};
1178
1179enum {
1180 BNX2X_PORT_QUERY_IDX,
1181 BNX2X_PF_QUERY_IDX,
1182 BNX2X_FCOE_QUERY_IDX,
1183 BNX2X_FIRST_QUEUE_QUERY_IDX,
1184};
1185
1186struct bnx2x_fw_stats_req {
1187 struct stats_query_header hdr;
1188 struct stats_query_entry query[FP_SB_MAX_E1x+
1189 BNX2X_FIRST_QUEUE_QUERY_IDX];
1190};
1191
1192struct bnx2x_fw_stats_data {
1193 struct stats_counter storm_counters;
1194 struct per_port_stats port;
1195 struct per_pf_stats pf;
1196 struct fcoe_statistics_params fcoe;
1197 struct per_queue_stats queue_stats[1];
1198};
1199
1200/* Public slow path states */
1201enum {
1202 BNX2X_SP_RTNL_SETUP_TC,
1203 BNX2X_SP_RTNL_TX_TIMEOUT,
1204 BNX2X_SP_RTNL_FAN_FAILURE,
1205 BNX2X_SP_RTNL_AFEX_F_UPDATE,
1206 BNX2X_SP_RTNL_ENABLE_SRIOV,
1207 BNX2X_SP_RTNL_VFPF_MCAST,
1208 BNX2X_SP_RTNL_VFPF_STORM_RX_MODE,
1209 BNX2X_SP_RTNL_HYPERVISOR_VLAN,
1210};
1211
1212struct bnx2x_prev_path_list {
1213 struct list_head list;
1214 u8 bus;
1215 u8 slot;
1216 u8 path;
1217 u8 aer;
1218 u8 undi;
1219};
1220
1221struct bnx2x_sp_objs {
1222 /* MACs object */
1223 struct bnx2x_vlan_mac_obj mac_obj;
1224
1225 /* Queue State object */
1226 struct bnx2x_queue_sp_obj q_obj;
1227};
1228
1229struct bnx2x_fp_stats {
1230 struct tstorm_per_queue_stats old_tclient;
1231 struct ustorm_per_queue_stats old_uclient;
1232 struct xstorm_per_queue_stats old_xclient;
1233 struct bnx2x_eth_q_stats eth_q_stats;
1234 struct bnx2x_eth_q_stats_old eth_q_stats_old;
1235};
1236
1237struct bnx2x {
1238 /* Fields used in the tx and intr/napi performance paths
1239 * are grouped together in the beginning of the structure
1240 */
1241 struct bnx2x_fastpath *fp;
1242 struct bnx2x_sp_objs *sp_objs;
1243 struct bnx2x_fp_stats *fp_stats;
1244 struct bnx2x_fp_txdata *bnx2x_txq;
1245 void __iomem *regview;
1246 void __iomem *doorbells;
1247 u16 db_size;
1248
1249 u8 pf_num; /* absolute PF number */
1250 u8 pfid; /* per-path PF number */
1251 int base_fw_ndsb; /**/
1252#define BP_PATH(bp) (CHIP_IS_E1x(bp) ? 0 : (bp->pf_num & 1))
1253#define BP_PORT(bp) (bp->pfid & 1)
1254#define BP_FUNC(bp) (bp->pfid)
1255#define BP_ABS_FUNC(bp) (bp->pf_num)
1256#define BP_VN(bp) ((bp)->pfid >> 1)
1257#define BP_MAX_VN_NUM(bp) (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4)
1258#define BP_L_ID(bp) (BP_VN(bp) << 2)
1259#define BP_FW_MB_IDX_VN(bp, vn) (BP_PORT(bp) +\
1260 (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1))
1261#define BP_FW_MB_IDX(bp) BP_FW_MB_IDX_VN(bp, BP_VN(bp))
1262
1263#ifdef CONFIG_BNX2X_SRIOV
1264 /* protects vf2pf mailbox from simultaneous access */
1265 struct mutex vf2pf_mutex;
1266 /* vf pf channel mailbox contains request and response buffers */
1267 struct bnx2x_vf_mbx_msg *vf2pf_mbox;
1268 dma_addr_t vf2pf_mbox_mapping;
1269
1270 /* we set aside a copy of the acquire response */
1271 struct pfvf_acquire_resp_tlv acquire_resp;
1272
1273 /* bulletin board for messages from pf to vf */
1274 union pf_vf_bulletin *pf2vf_bulletin;
1275 dma_addr_t pf2vf_bulletin_mapping;
1276
1277 struct pf_vf_bulletin_content old_bulletin;
1278
1279 u16 requested_nr_virtfn;
1280#endif /* CONFIG_BNX2X_SRIOV */
1281
1282 struct net_device *dev;
1283 struct pci_dev *pdev;
1284
1285 const struct iro *iro_arr;
1286#define IRO (bp->iro_arr)
1287
1288 enum bnx2x_recovery_state recovery_state;
1289 int is_leader;
1290 struct msix_entry *msix_table;
1291
1292 int tx_ring_size;
1293
1294/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
1295#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
1296#define ETH_MIN_PACKET_SIZE 60
1297#define ETH_MAX_PACKET_SIZE 1500
1298#define ETH_MAX_JUMBO_PACKET_SIZE 9600
1299/* TCP with Timestamp Option (32) + IPv6 (40) */
1300#define ETH_MAX_TPA_HEADER_SIZE 72
1301
1302 /* Max supported alignment is 256 (8 shift) */
1303#define BNX2X_RX_ALIGN_SHIFT min(8, L1_CACHE_SHIFT)
1304
1305 /* FW uses 2 Cache lines Alignment for start packet and size
1306 *
1307 * We assume skb_build() uses sizeof(struct skb_shared_info) bytes
1308 * at the end of skb->data, to avoid wasting a full cache line.
1309 * This reduces memory use (skb->truesize).
1310 */
1311#define BNX2X_FW_RX_ALIGN_START (1UL << BNX2X_RX_ALIGN_SHIFT)
1312
1313#define BNX2X_FW_RX_ALIGN_END \
1314 max_t(u64, 1UL << BNX2X_RX_ALIGN_SHIFT, \
1315 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
1316
1317#define BNX2X_PXP_DRAM_ALIGN (BNX2X_RX_ALIGN_SHIFT - 5)
1318
1319 struct host_sp_status_block *def_status_blk;
1320#define DEF_SB_IGU_ID 16
1321#define DEF_SB_ID HC_SP_SB_ID
1322 __le16 def_idx;
1323 __le16 def_att_idx;
1324 u32 attn_state;
1325 struct attn_route attn_group[MAX_DYNAMIC_ATTN_GRPS];
1326
1327 /* slow path ring */
1328 struct eth_spe *spq;
1329 dma_addr_t spq_mapping;
1330 u16 spq_prod_idx;
1331 struct eth_spe *spq_prod_bd;
1332 struct eth_spe *spq_last_bd;
1333 __le16 *dsb_sp_prod;
1334 atomic_t cq_spq_left; /* ETH_XXX ramrods credit */
1335 /* used to synchronize spq accesses */
1336 spinlock_t spq_lock;
1337
1338 /* event queue */
1339 union event_ring_elem *eq_ring;
1340 dma_addr_t eq_mapping;
1341 u16 eq_prod;
1342 u16 eq_cons;
1343 __le16 *eq_cons_sb;
1344 atomic_t eq_spq_left; /* COMMON_XXX ramrods credit */
1345
1346 /* Counter for marking that there is a STAT_QUERY ramrod pending */
1347 u16 stats_pending;
1348 /* Counter for completed statistics ramrods */
1349 u16 stats_comp;
1350
1351 /* End of fields used in the performance code paths */
1352
1353 int panic;
1354 int msg_enable;
1355
1356 u32 flags;
1357#define PCIX_FLAG (1 << 0)
1358#define PCI_32BIT_FLAG (1 << 1)
1359#define ONE_PORT_FLAG (1 << 2)
1360#define NO_WOL_FLAG (1 << 3)
1361#define USING_DAC_FLAG (1 << 4)
1362#define USING_MSIX_FLAG (1 << 5)
1363#define USING_MSI_FLAG (1 << 6)
1364#define DISABLE_MSI_FLAG (1 << 7)
1365#define TPA_ENABLE_FLAG (1 << 8)
1366#define NO_MCP_FLAG (1 << 9)
1367#define GRO_ENABLE_FLAG (1 << 10)
1368#define MF_FUNC_DIS (1 << 11)
1369#define OWN_CNIC_IRQ (1 << 12)
1370#define NO_ISCSI_OOO_FLAG (1 << 13)
1371#define NO_ISCSI_FLAG (1 << 14)
1372#define NO_FCOE_FLAG (1 << 15)
1373#define BC_SUPPORTS_PFC_STATS (1 << 17)
1374#define BC_SUPPORTS_FCOE_FEATURES (1 << 19)
1375#define USING_SINGLE_MSIX_FLAG (1 << 20)
1376#define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21)
1377#define IS_VF_FLAG (1 << 22)
1378
1379#define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG)
1380
1381#ifdef CONFIG_BNX2X_SRIOV
1382#define IS_VF(bp) ((bp)->flags & IS_VF_FLAG)
1383#define IS_PF(bp) (!((bp)->flags & IS_VF_FLAG))
1384#else
1385#define IS_VF(bp) false
1386#define IS_PF(bp) true
1387#endif
1388
1389#define NO_ISCSI(bp) ((bp)->flags & NO_ISCSI_FLAG)
1390#define NO_ISCSI_OOO(bp) ((bp)->flags & NO_ISCSI_OOO_FLAG)
1391#define NO_FCOE(bp) ((bp)->flags & NO_FCOE_FLAG)
1392
1393 u8 cnic_support;
1394 bool cnic_enabled;
1395 bool cnic_loaded;
1396 struct cnic_eth_dev *(*cnic_probe)(struct net_device *);
1397
1398 /* Flag that indicates that we can start looking for FCoE L2 queue
1399 * completions in the default status block.
1400 */
1401 bool fcoe_init;
1402
1403 int pm_cap;
1404 int mrrs;
1405
1406 struct delayed_work sp_task;
1407 atomic_t interrupt_occurred;
1408 struct delayed_work sp_rtnl_task;
1409
1410 struct delayed_work period_task;
1411 struct timer_list timer;
1412 int current_interval;
1413
1414 u16 fw_seq;
1415 u16 fw_drv_pulse_wr_seq;
1416 u32 func_stx;
1417
1418 struct link_params link_params;
1419 struct link_vars link_vars;
1420 u32 link_cnt;
1421 struct bnx2x_link_report_data last_reported_link;
1422
1423 struct mdio_if_info mdio;
1424
1425 struct bnx2x_common common;
1426 struct bnx2x_port port;
1427
1428 struct cmng_init cmng;
1429
1430 u32 mf_config[E1HVN_MAX];
1431 u32 mf_ext_config;
1432 u32 path_has_ovlan; /* E3 */
1433 u16 mf_ov;
1434 u8 mf_mode;
1435#define IS_MF(bp) (bp->mf_mode != 0)
1436#define IS_MF_SI(bp) (bp->mf_mode == MULTI_FUNCTION_SI)
1437#define IS_MF_SD(bp) (bp->mf_mode == MULTI_FUNCTION_SD)
1438#define IS_MF_AFEX(bp) (bp->mf_mode == MULTI_FUNCTION_AFEX)
1439
1440 u8 wol;
1441
1442 int rx_ring_size;
1443
1444 u16 tx_quick_cons_trip_int;
1445 u16 tx_quick_cons_trip;
1446 u16 tx_ticks_int;
1447 u16 tx_ticks;
1448
1449 u16 rx_quick_cons_trip_int;
1450 u16 rx_quick_cons_trip;
1451 u16 rx_ticks_int;
1452 u16 rx_ticks;
1453/* Maximal coalescing timeout in us */
1454#define BNX2X_MAX_COALESCE_TOUT (0xf0*12)
1455
1456 u32 lin_cnt;
1457
1458 u16 state;
1459#define BNX2X_STATE_CLOSED 0
1460#define BNX2X_STATE_OPENING_WAIT4_LOAD 0x1000
1461#define BNX2X_STATE_OPENING_WAIT4_PORT 0x2000
1462#define BNX2X_STATE_OPEN 0x3000
1463#define BNX2X_STATE_CLOSING_WAIT4_HALT 0x4000
1464#define BNX2X_STATE_CLOSING_WAIT4_DELETE 0x5000
1465
1466#define BNX2X_STATE_DIAG 0xe000
1467#define BNX2X_STATE_ERROR 0xf000
1468
1469#define BNX2X_MAX_PRIORITY 8
1470#define BNX2X_MAX_ENTRIES_PER_PRI 16
1471#define BNX2X_MAX_COS 3
1472#define BNX2X_MAX_TX_COS 2
1473 int num_queues;
1474 uint num_ethernet_queues;
1475 uint num_cnic_queues;
1476 int num_napi_queues;
1477 int disable_tpa;
1478
1479 u32 rx_mode;
1480#define BNX2X_RX_MODE_NONE 0
1481#define BNX2X_RX_MODE_NORMAL 1
1482#define BNX2X_RX_MODE_ALLMULTI 2
1483#define BNX2X_RX_MODE_PROMISC 3
1484#define BNX2X_MAX_MULTICAST 64
1485
1486 u8 igu_dsb_id;
1487 u8 igu_base_sb;
1488 u8 igu_sb_cnt;
1489 u8 min_msix_vec_cnt;
1490
1491 u32 igu_base_addr;
1492 dma_addr_t def_status_blk_mapping;
1493
1494 struct bnx2x_slowpath *slowpath;
1495 dma_addr_t slowpath_mapping;
1496
1497 /* Total number of FW statistics requests */
1498 u8 fw_stats_num;
1499
1500 /*
1501 * This is a memory buffer that will contain both statistics
1502 * ramrod request and data.
1503 */
1504 void *fw_stats;
1505 dma_addr_t fw_stats_mapping;
1506
1507 /*
1508 * FW statistics request shortcut (points at the
1509 * beginning of fw_stats buffer).
1510 */
1511 struct bnx2x_fw_stats_req *fw_stats_req;
1512 dma_addr_t fw_stats_req_mapping;
1513 int fw_stats_req_sz;
1514
1515 /*
1516 * FW statistics data shortcut (points at the beginning of
1517 * fw_stats buffer + fw_stats_req_sz).
1518 */
1519 struct bnx2x_fw_stats_data *fw_stats_data;
1520 dma_addr_t fw_stats_data_mapping;
1521 int fw_stats_data_sz;
1522
1523 /* For max 196 cids (64*3 + non-eth), 32KB ILT page size and 1KB
1524 * context size we need 8 ILT entries.
1525 */
1526#define ILT_MAX_L2_LINES 8
1527 struct hw_context context[ILT_MAX_L2_LINES];
1528
1529 struct bnx2x_ilt *ilt;
1530#define BP_ILT(bp) ((bp)->ilt)
1531#define ILT_MAX_LINES 256
1532/*
1533 * Maximum supported number of RSS queues: number of IGU SBs minus one that goes
1534 * to CNIC.
1535 */
1536#define BNX2X_MAX_RSS_COUNT(bp) ((bp)->igu_sb_cnt - CNIC_SUPPORT(bp))
1537
1538/*
1539 * Maximum CID count that might be required by the bnx2x:
1540 * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI
1541 */
1542#define BNX2X_L2_CID_COUNT(bp) (BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \
1543 + 2 * CNIC_SUPPORT(bp))
1544#define BNX2X_L2_MAX_CID(bp) (BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \
1545 + 2 * CNIC_SUPPORT(bp))
1546#define L2_ILT_LINES(bp) (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\
1547 ILT_PAGE_CIDS))
1548
1549 int qm_cid_count;
1550
1551 bool dropless_fc;
1552
1553 void *t2;
1554 dma_addr_t t2_mapping;
1555 struct cnic_ops __rcu *cnic_ops;
1556 void *cnic_data;
1557 u32 cnic_tag;
1558 struct cnic_eth_dev cnic_eth_dev;
1559 union host_hc_status_block cnic_sb;
1560 dma_addr_t cnic_sb_mapping;
1561 struct eth_spe *cnic_kwq;
1562 struct eth_spe *cnic_kwq_prod;
1563 struct eth_spe *cnic_kwq_cons;
1564 struct eth_spe *cnic_kwq_last;
1565 u16 cnic_kwq_pending;
1566 u16 cnic_spq_pending;
1567 u8 fip_mac[ETH_ALEN];
1568 struct mutex cnic_mutex;
1569 struct bnx2x_vlan_mac_obj iscsi_l2_mac_obj;
1570
1571 /* Start index of the "special" (CNIC related) L2 clients */
1572 u8 cnic_base_cl_id;
1573
1574 int dmae_ready;
1575 /* used to synchronize dmae accesses */
1576 spinlock_t dmae_lock;
1577
1578 /* used to protect the FW mail box */
1579 struct mutex fw_mb_mutex;
1580
1581 /* used to synchronize stats collecting */
1582 int stats_state;
1583
1584 /* used for synchronization of concurrent threads statistics handling */
1585 spinlock_t stats_lock;
1586
1587 /* used by dmae command loader */
1588 struct dmae_command stats_dmae;
1589 int executer_idx;
1590
1591 u16 stats_counter;
1592 struct bnx2x_eth_stats eth_stats;
1593 struct host_func_stats func_stats;
1594 struct bnx2x_eth_stats_old eth_stats_old;
1595 struct bnx2x_net_stats_old net_stats_old;
1596 struct bnx2x_fw_port_stats_old fw_stats_old;
1597 bool stats_init;
1598
1599 struct z_stream_s *strm;
1600 void *gunzip_buf;
1601 dma_addr_t gunzip_mapping;
1602 int gunzip_outlen;
1603#define FW_BUF_SIZE 0x8000
1604#define GUNZIP_BUF(bp) (bp->gunzip_buf)
1605#define GUNZIP_PHYS(bp) (bp->gunzip_mapping)
1606#define GUNZIP_OUTLEN(bp) (bp->gunzip_outlen)
1607
1608 struct raw_op *init_ops;
1609 /* Init blocks offsets inside init_ops */
1610 u16 *init_ops_offsets;
1611 /* Data blob - has 32 bit granularity */
1612 u32 *init_data;
1613 u32 init_mode_flags;
1614#define INIT_MODE_FLAGS(bp) (bp->init_mode_flags)
1615 /* Zipped PRAM blobs - raw data */
1616 const u8 *tsem_int_table_data;
1617 const u8 *tsem_pram_data;
1618 const u8 *usem_int_table_data;
1619 const u8 *usem_pram_data;
1620 const u8 *xsem_int_table_data;
1621 const u8 *xsem_pram_data;
1622 const u8 *csem_int_table_data;
1623 const u8 *csem_pram_data;
1624#define INIT_OPS(bp) (bp->init_ops)
1625#define INIT_OPS_OFFSETS(bp) (bp->init_ops_offsets)
1626#define INIT_DATA(bp) (bp->init_data)
1627#define INIT_TSEM_INT_TABLE_DATA(bp) (bp->tsem_int_table_data)
1628#define INIT_TSEM_PRAM_DATA(bp) (bp->tsem_pram_data)
1629#define INIT_USEM_INT_TABLE_DATA(bp) (bp->usem_int_table_data)
1630#define INIT_USEM_PRAM_DATA(bp) (bp->usem_pram_data)
1631#define INIT_XSEM_INT_TABLE_DATA(bp) (bp->xsem_int_table_data)
1632#define INIT_XSEM_PRAM_DATA(bp) (bp->xsem_pram_data)
1633#define INIT_CSEM_INT_TABLE_DATA(bp) (bp->csem_int_table_data)
1634#define INIT_CSEM_PRAM_DATA(bp) (bp->csem_pram_data)
1635
1636#define PHY_FW_VER_LEN 20
1637 char fw_ver[32];
1638 const struct firmware *firmware;
1639
1640 struct bnx2x_vfdb *vfdb;
1641#define IS_SRIOV(bp) ((bp)->vfdb)
1642
1643 /* DCB support on/off */
1644 u16 dcb_state;
1645#define BNX2X_DCB_STATE_OFF 0
1646#define BNX2X_DCB_STATE_ON 1
1647
1648 /* DCBX engine mode */
1649 int dcbx_enabled;
1650#define BNX2X_DCBX_ENABLED_OFF 0
1651#define BNX2X_DCBX_ENABLED_ON_NEG_OFF 1
1652#define BNX2X_DCBX_ENABLED_ON_NEG_ON 2
1653#define BNX2X_DCBX_ENABLED_INVALID (-1)
1654
1655 bool dcbx_mode_uset;
1656
1657 struct bnx2x_config_dcbx_params dcbx_config_params;
1658 struct bnx2x_dcbx_port_params dcbx_port_params;
1659 int dcb_version;
1660
1661 /* CAM credit pools */
1662
1663 /* used only in sriov */
1664 struct bnx2x_credit_pool_obj vlans_pool;
1665
1666 struct bnx2x_credit_pool_obj macs_pool;
1667
1668 /* RX_MODE object */
1669 struct bnx2x_rx_mode_obj rx_mode_obj;
1670
1671 /* MCAST object */
1672 struct bnx2x_mcast_obj mcast_obj;
1673
1674 /* RSS configuration object */
1675 struct bnx2x_rss_config_obj rss_conf_obj;
1676
1677 /* Function State controlling object */
1678 struct bnx2x_func_sp_obj func_obj;
1679
1680 unsigned long sp_state;
1681
1682 /* operation indication for the sp_rtnl task */
1683 unsigned long sp_rtnl_state;
1684
1685 /* DCBX Negotiation results */
1686 struct dcbx_features dcbx_local_feat;
1687 u32 dcbx_error;
1688
1689#ifdef BCM_DCBNL
1690 struct dcbx_features dcbx_remote_feat;
1691 u32 dcbx_remote_flags;
1692#endif
1693 /* AFEX: store default vlan used */
1694 int afex_def_vlan_tag;
1695 enum mf_cfg_afex_vlan_mode afex_vlan_mode;
1696 u32 pending_max;
1697
1698 /* multiple tx classes of service */
1699 u8 max_cos;
1700
1701 /* priority to cos mapping */
1702 u8 prio_to_cos[8];
1703
1704 int fp_array_size;
1705 u32 dump_preset_idx;
1706};
1707
1708/* Tx queues may be less or equal to Rx queues */
1709extern int num_queues;
1710#define BNX2X_NUM_QUEUES(bp) (bp->num_queues)
1711#define BNX2X_NUM_ETH_QUEUES(bp) ((bp)->num_ethernet_queues)
1712#define BNX2X_NUM_NON_CNIC_QUEUES(bp) (BNX2X_NUM_QUEUES(bp) - \
1713 (bp)->num_cnic_queues)
1714#define BNX2X_NUM_RX_QUEUES(bp) BNX2X_NUM_QUEUES(bp)
1715
1716#define is_multi(bp) (BNX2X_NUM_QUEUES(bp) > 1)
1717
1718#define BNX2X_MAX_QUEUES(bp) BNX2X_MAX_RSS_COUNT(bp)
1719/* #define is_eth_multi(bp) (BNX2X_NUM_ETH_QUEUES(bp) > 1) */
1720
1721#define RSS_IPV4_CAP_MASK \
1722 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
1723
1724#define RSS_IPV4_TCP_CAP_MASK \
1725 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_TCP_CAPABILITY
1726
1727#define RSS_IPV6_CAP_MASK \
1728 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_CAPABILITY
1729
1730#define RSS_IPV6_TCP_CAP_MASK \
1731 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_TCP_CAPABILITY
1732
1733/* func init flags */
1734#define FUNC_FLG_RSS 0x0001
1735#define FUNC_FLG_STATS 0x0002
1736/* removed FUNC_FLG_UNMATCHED 0x0004 */
1737#define FUNC_FLG_TPA 0x0008
1738#define FUNC_FLG_SPQ 0x0010
1739#define FUNC_FLG_LEADING 0x0020 /* PF only */
1740
1741struct bnx2x_func_init_params {
1742 /* dma */
1743 dma_addr_t fw_stat_map; /* valid iff FUNC_FLG_STATS */
1744 dma_addr_t spq_map; /* valid iff FUNC_FLG_SPQ */
1745
1746 u16 func_flgs;
1747 u16 func_id; /* abs fid */
1748 u16 pf_id;
1749 u16 spq_prod; /* valid iff FUNC_FLG_SPQ */
1750};
1751
1752#define for_each_cnic_queue(bp, var) \
1753 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1754 (var)++) \
1755 if (skip_queue(bp, var)) \
1756 continue; \
1757 else
1758
1759#define for_each_eth_queue(bp, var) \
1760 for ((var) = 0; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1761
1762#define for_each_nondefault_eth_queue(bp, var) \
1763 for ((var) = 1; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1764
1765#define for_each_queue(bp, var) \
1766 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1767 if (skip_queue(bp, var)) \
1768 continue; \
1769 else
1770
1771/* Skip forwarding FP */
1772#define for_each_valid_rx_queue(bp, var) \
1773 for ((var) = 0; \
1774 (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
1775 BNX2X_NUM_ETH_QUEUES(bp)); \
1776 (var)++) \
1777 if (skip_rx_queue(bp, var)) \
1778 continue; \
1779 else
1780
1781#define for_each_rx_queue_cnic(bp, var) \
1782 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1783 (var)++) \
1784 if (skip_rx_queue(bp, var)) \
1785 continue; \
1786 else
1787
1788#define for_each_rx_queue(bp, var) \
1789 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1790 if (skip_rx_queue(bp, var)) \
1791 continue; \
1792 else
1793
1794/* Skip OOO FP */
1795#define for_each_valid_tx_queue(bp, var) \
1796 for ((var) = 0; \
1797 (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
1798 BNX2X_NUM_ETH_QUEUES(bp)); \
1799 (var)++) \
1800 if (skip_tx_queue(bp, var)) \
1801 continue; \
1802 else
1803
1804#define for_each_tx_queue_cnic(bp, var) \
1805 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1806 (var)++) \
1807 if (skip_tx_queue(bp, var)) \
1808 continue; \
1809 else
1810
1811#define for_each_tx_queue(bp, var) \
1812 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1813 if (skip_tx_queue(bp, var)) \
1814 continue; \
1815 else
1816
1817#define for_each_nondefault_queue(bp, var) \
1818 for ((var) = 1; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1819 if (skip_queue(bp, var)) \
1820 continue; \
1821 else
1822
1823#define for_each_cos_in_tx_queue(fp, var) \
1824 for ((var) = 0; (var) < (fp)->max_cos; (var)++)
1825
1826/* skip rx queue
1827 * if FCOE l2 support is disabled and this is the fcoe L2 queue
1828 */
1829#define skip_rx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
1830
1831/* skip tx queue
1832 * if FCOE l2 support is disabled and this is the fcoe L2 queue
1833 */
1834#define skip_tx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
1835
1836#define skip_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
1837
1838/**
1839 * bnx2x_set_mac_one - configure a single MAC address
1840 *
1841 * @bp: driver handle
1842 * @mac: MAC to configure
1843 * @obj: MAC object handle
1844 * @set: if 'true' add a new MAC, otherwise - delete
1845 * @mac_type: the type of the MAC to configure (e.g. ETH, UC list)
1846 * @ramrod_flags: RAMROD_XXX flags (e.g. RAMROD_CONT, RAMROD_COMP_WAIT)
1847 *
1848 * Configures one MAC according to provided parameters or continues the
1849 * execution of previously scheduled commands if RAMROD_CONT is set in
1850 * ramrod_flags.
1851 *
1852 * Returns zero if operation has successfully completed, a positive value if the
1853 * operation has been successfully scheduled and a negative - if a requested
1854 * operations has failed.
1855 */
1856int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
1857 struct bnx2x_vlan_mac_obj *obj, bool set,
1858 int mac_type, unsigned long *ramrod_flags);
1859/**
1860 * bnx2x_del_all_macs - delete all MACs configured for the specific MAC object
1861 *
1862 * @bp: driver handle
1863 * @mac_obj: MAC object handle
1864 * @mac_type: type of the MACs to clear (BNX2X_XXX_MAC)
1865 * @wait_for_comp: if 'true' block until completion
1866 *
1867 * Deletes all MACs of the specific type (e.g. ETH, UC list).
1868 *
1869 * Returns zero if operation has successfully completed, a positive value if the
1870 * operation has been successfully scheduled and a negative - if a requested
1871 * operations has failed.
1872 */
1873int bnx2x_del_all_macs(struct bnx2x *bp,
1874 struct bnx2x_vlan_mac_obj *mac_obj,
1875 int mac_type, bool wait_for_comp);
1876
1877/* Init Function API */
1878void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p);
1879void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
1880 u8 vf_valid, int fw_sb_id, int igu_sb_id);
1881u32 bnx2x_get_pretend_reg(struct bnx2x *bp);
1882int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port);
1883int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
1884int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode);
1885int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
1886void bnx2x_read_mf_cfg(struct bnx2x *bp);
1887
1888int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
1889
1890/* dmae */
1891void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
1892void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
1893 u32 len32);
1894void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx);
1895u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type);
1896u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode);
1897u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
1898 bool with_comp, u8 comp_type);
1899
1900void bnx2x_prep_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
1901 u8 src_type, u8 dst_type);
1902int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae);
1903void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae, int msglvl);
1904
1905/* FLR related routines */
1906u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp);
1907void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count);
1908int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt);
1909u8 bnx2x_is_pcie_pending(struct pci_dev *dev);
1910int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1911 char *msg, u32 poll_cnt);
1912
1913void bnx2x_calc_fc_adv(struct bnx2x *bp);
1914int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
1915 u32 data_hi, u32 data_lo, int cmd_type);
1916void bnx2x_update_coalesce(struct bnx2x *bp);
1917int bnx2x_get_cur_phy_idx(struct bnx2x *bp);
1918
1919bool bnx2x_port_after_undi(struct bnx2x *bp);
1920
1921static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
1922 int wait)
1923{
1924 u32 val;
1925
1926 do {
1927 val = REG_RD(bp, reg);
1928 if (val == expected)
1929 break;
1930 ms -= wait;
1931 msleep(wait);
1932
1933 } while (ms > 0);
1934
1935 return val;
1936}
1937
1938void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id,
1939 bool is_pf);
1940
1941#define BNX2X_ILT_ZALLOC(x, y, size) \
1942 x = dma_alloc_coherent(&bp->pdev->dev, size, y, \
1943 GFP_KERNEL | __GFP_ZERO)
1944
1945#define BNX2X_ILT_FREE(x, y, size) \
1946 do { \
1947 if (x) { \
1948 dma_free_coherent(&bp->pdev->dev, size, x, y); \
1949 x = NULL; \
1950 y = 0; \
1951 } \
1952 } while (0)
1953
1954#define ILOG2(x) (ilog2((x)))
1955
1956#define ILT_NUM_PAGE_ENTRIES (3072)
1957/* In 57710/11 we use whole table since we have 8 func
1958 * In 57712 we have only 4 func, but use same size per func, then only half of
1959 * the table in use
1960 */
1961#define ILT_PER_FUNC (ILT_NUM_PAGE_ENTRIES/8)
1962
1963#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
1964/*
1965 * the phys address is shifted right 12 bits and has an added
1966 * 1=valid bit added to the 53rd bit
1967 * then since this is a wide register(TM)
1968 * we split it into two 32 bit writes
1969 */
1970#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
1971#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
1972
1973/* load/unload mode */
1974#define LOAD_NORMAL 0
1975#define LOAD_OPEN 1
1976#define LOAD_DIAG 2
1977#define LOAD_LOOPBACK_EXT 3
1978#define UNLOAD_NORMAL 0
1979#define UNLOAD_CLOSE 1
1980#define UNLOAD_RECOVERY 2
1981
1982/* DMAE command defines */
1983#define DMAE_TIMEOUT -1
1984#define DMAE_PCI_ERROR -2 /* E2 and onward */
1985#define DMAE_NOT_RDY -3
1986#define DMAE_PCI_ERR_FLAG 0x80000000
1987
1988#define DMAE_SRC_PCI 0
1989#define DMAE_SRC_GRC 1
1990
1991#define DMAE_DST_NONE 0
1992#define DMAE_DST_PCI 1
1993#define DMAE_DST_GRC 2
1994
1995#define DMAE_COMP_PCI 0
1996#define DMAE_COMP_GRC 1
1997
1998/* E2 and onward - PCI error handling in the completion */
1999
2000#define DMAE_COMP_REGULAR 0
2001#define DMAE_COM_SET_ERR 1
2002
2003#define DMAE_CMD_SRC_PCI (DMAE_SRC_PCI << \
2004 DMAE_COMMAND_SRC_SHIFT)
2005#define DMAE_CMD_SRC_GRC (DMAE_SRC_GRC << \
2006 DMAE_COMMAND_SRC_SHIFT)
2007
2008#define DMAE_CMD_DST_PCI (DMAE_DST_PCI << \
2009 DMAE_COMMAND_DST_SHIFT)
2010#define DMAE_CMD_DST_GRC (DMAE_DST_GRC << \
2011 DMAE_COMMAND_DST_SHIFT)
2012
2013#define DMAE_CMD_C_DST_PCI (DMAE_COMP_PCI << \
2014 DMAE_COMMAND_C_DST_SHIFT)
2015#define DMAE_CMD_C_DST_GRC (DMAE_COMP_GRC << \
2016 DMAE_COMMAND_C_DST_SHIFT)
2017
2018#define DMAE_CMD_C_ENABLE DMAE_COMMAND_C_TYPE_ENABLE
2019
2020#define DMAE_CMD_ENDIANITY_NO_SWAP (0 << DMAE_COMMAND_ENDIANITY_SHIFT)
2021#define DMAE_CMD_ENDIANITY_B_SWAP (1 << DMAE_COMMAND_ENDIANITY_SHIFT)
2022#define DMAE_CMD_ENDIANITY_DW_SWAP (2 << DMAE_COMMAND_ENDIANITY_SHIFT)
2023#define DMAE_CMD_ENDIANITY_B_DW_SWAP (3 << DMAE_COMMAND_ENDIANITY_SHIFT)
2024
2025#define DMAE_CMD_PORT_0 0
2026#define DMAE_CMD_PORT_1 DMAE_COMMAND_PORT
2027
2028#define DMAE_CMD_SRC_RESET DMAE_COMMAND_SRC_RESET
2029#define DMAE_CMD_DST_RESET DMAE_COMMAND_DST_RESET
2030#define DMAE_CMD_E1HVN_SHIFT DMAE_COMMAND_E1HVN_SHIFT
2031
2032#define DMAE_SRC_PF 0
2033#define DMAE_SRC_VF 1
2034
2035#define DMAE_DST_PF 0
2036#define DMAE_DST_VF 1
2037
2038#define DMAE_C_SRC 0
2039#define DMAE_C_DST 1
2040
2041#define DMAE_LEN32_RD_MAX 0x80
2042#define DMAE_LEN32_WR_MAX(bp) (CHIP_IS_E1(bp) ? 0x400 : 0x2000)
2043
2044#define DMAE_COMP_VAL 0x60d0d0ae /* E2 and on - upper bit
2045 * indicates error
2046 */
2047
2048#define MAX_DMAE_C_PER_PORT 8
2049#define INIT_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2050 BP_VN(bp))
2051#define PMF_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2052 E1HVN_MAX)
2053
2054/* PCIE link and speed */
2055#define PCICFG_LINK_WIDTH 0x1f00000
2056#define PCICFG_LINK_WIDTH_SHIFT 20
2057#define PCICFG_LINK_SPEED 0xf0000
2058#define PCICFG_LINK_SPEED_SHIFT 16
2059
2060#define BNX2X_NUM_TESTS_SF 7
2061#define BNX2X_NUM_TESTS_MF 3
2062#define BNX2X_NUM_TESTS(bp) (IS_MF(bp) ? BNX2X_NUM_TESTS_MF : \
2063 BNX2X_NUM_TESTS_SF)
2064
2065#define BNX2X_PHY_LOOPBACK 0
2066#define BNX2X_MAC_LOOPBACK 1
2067#define BNX2X_EXT_LOOPBACK 2
2068#define BNX2X_PHY_LOOPBACK_FAILED 1
2069#define BNX2X_MAC_LOOPBACK_FAILED 2
2070#define BNX2X_EXT_LOOPBACK_FAILED 3
2071#define BNX2X_LOOPBACK_FAILED (BNX2X_MAC_LOOPBACK_FAILED | \
2072 BNX2X_PHY_LOOPBACK_FAILED)
2073
2074#define STROM_ASSERT_ARRAY_SIZE 50
2075
2076/* must be used on a CID before placing it on a HW ring */
2077#define HW_CID(bp, x) ((BP_PORT(bp) << 23) | \
2078 (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \
2079 (x))
2080
2081#define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe))
2082#define MAX_SP_DESC_CNT (SP_DESC_CNT - 1)
2083
2084#define BNX2X_BTR 4
2085#define MAX_SPQ_PENDING 8
2086
2087/* CMNG constants, as derived from system spec calculations */
2088/* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
2089#define DEF_MIN_RATE 100
2090/* resolution of the rate shaping timer - 400 usec */
2091#define RS_PERIODIC_TIMEOUT_USEC 400
2092/* number of bytes in single QM arbitration cycle -
2093 * coefficient for calculating the fairness timer */
2094#define QM_ARB_BYTES 160000
2095/* resolution of Min algorithm 1:100 */
2096#define MIN_RES 100
2097/* how many bytes above threshold for the minimal credit of Min algorithm*/
2098#define MIN_ABOVE_THRESH 32768
2099/* Fairness algorithm integration time coefficient -
2100 * for calculating the actual Tfair */
2101#define T_FAIR_COEF ((MIN_ABOVE_THRESH + QM_ARB_BYTES) * 8 * MIN_RES)
2102/* Memory of fairness algorithm . 2 cycles */
2103#define FAIR_MEM 2
2104
2105#define ATTN_NIG_FOR_FUNC (1L << 8)
2106#define ATTN_SW_TIMER_4_FUNC (1L << 9)
2107#define GPIO_2_FUNC (1L << 10)
2108#define GPIO_3_FUNC (1L << 11)
2109#define GPIO_4_FUNC (1L << 12)
2110#define ATTN_GENERAL_ATTN_1 (1L << 13)
2111#define ATTN_GENERAL_ATTN_2 (1L << 14)
2112#define ATTN_GENERAL_ATTN_3 (1L << 15)
2113#define ATTN_GENERAL_ATTN_4 (1L << 13)
2114#define ATTN_GENERAL_ATTN_5 (1L << 14)
2115#define ATTN_GENERAL_ATTN_6 (1L << 15)
2116
2117#define ATTN_HARD_WIRED_MASK 0xff00
2118#define ATTENTION_ID 4
2119
2120#define IS_MF_STORAGE_ONLY(bp) (IS_MF_STORAGE_SD(bp) || \
2121 IS_MF_FCOE_AFEX(bp))
2122
2123/* stuff added to make the code fit 80Col */
2124
2125#define BNX2X_PMF_LINK_ASSERT \
2126 GENERAL_ATTEN_OFFSET(LINK_SYNC_ATTENTION_BIT_FUNC_0 + BP_FUNC(bp))
2127
2128#define BNX2X_MC_ASSERT_BITS \
2129 (GENERAL_ATTEN_OFFSET(TSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2130 GENERAL_ATTEN_OFFSET(USTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2131 GENERAL_ATTEN_OFFSET(CSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2132 GENERAL_ATTEN_OFFSET(XSTORM_FATAL_ASSERT_ATTENTION_BIT))
2133
2134#define BNX2X_MCP_ASSERT \
2135 GENERAL_ATTEN_OFFSET(MCP_FATAL_ASSERT_ATTENTION_BIT)
2136
2137#define BNX2X_GRC_TIMEOUT GENERAL_ATTEN_OFFSET(LATCHED_ATTN_TIMEOUT_GRC)
2138#define BNX2X_GRC_RSV (GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCR) | \
2139 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCT) | \
2140 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCN) | \
2141 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCU) | \
2142 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \
2143 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC))
2144
2145#define HW_INTERRUT_ASSERT_SET_0 \
2146 (AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT | \
2147 AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT | \
2148 AEU_INPUTS_ATTN_BITS_TSEMI_HW_INTERRUPT | \
2149 AEU_INPUTS_ATTN_BITS_BRB_HW_INTERRUPT | \
2150 AEU_INPUTS_ATTN_BITS_PBCLIENT_HW_INTERRUPT)
2151#define HW_PRTY_ASSERT_SET_0 (AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR | \
2152 AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR | \
2153 AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR | \
2154 AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR |\
2155 AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR |\
2156 AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR |\
2157 AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR)
2158#define HW_INTERRUT_ASSERT_SET_1 \
2159 (AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT | \
2160 AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT | \
2161 AEU_INPUTS_ATTN_BITS_XSDM_HW_INTERRUPT | \
2162 AEU_INPUTS_ATTN_BITS_XCM_HW_INTERRUPT | \
2163 AEU_INPUTS_ATTN_BITS_XSEMI_HW_INTERRUPT | \
2164 AEU_INPUTS_ATTN_BITS_USDM_HW_INTERRUPT | \
2165 AEU_INPUTS_ATTN_BITS_UCM_HW_INTERRUPT | \
2166 AEU_INPUTS_ATTN_BITS_USEMI_HW_INTERRUPT | \
2167 AEU_INPUTS_ATTN_BITS_UPB_HW_INTERRUPT | \
2168 AEU_INPUTS_ATTN_BITS_CSDM_HW_INTERRUPT | \
2169 AEU_INPUTS_ATTN_BITS_CCM_HW_INTERRUPT)
2170#define HW_PRTY_ASSERT_SET_1 (AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR |\
2171 AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR | \
2172 AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR |\
2173 AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR | \
2174 AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR |\
2175 AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR | \
2176 AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR |\
2177 AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR |\
2178 AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR |\
2179 AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR | \
2180 AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR | \
2181 AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR |\
2182 AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR | \
2183 AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR | \
2184 AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR |\
2185 AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR)
2186#define HW_INTERRUT_ASSERT_SET_2 \
2187 (AEU_INPUTS_ATTN_BITS_CSEMI_HW_INTERRUPT | \
2188 AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT | \
2189 AEU_INPUTS_ATTN_BITS_DMAE_HW_INTERRUPT | \
2190 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_HW_INTERRUPT |\
2191 AEU_INPUTS_ATTN_BITS_MISC_HW_INTERRUPT)
2192#define HW_PRTY_ASSERT_SET_2 (AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR | \
2193 AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR | \
2194 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR |\
2195 AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR | \
2196 AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR | \
2197 AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR |\
2198 AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR | \
2199 AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR)
2200
2201#define HW_PRTY_ASSERT_SET_3 (AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY | \
2202 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY | \
2203 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY | \
2204 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY)
2205
2206#define HW_PRTY_ASSERT_SET_4 (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR | \
2207 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)
2208
2209#define MULTI_MASK 0x7f
2210
2211#define DEF_USB_FUNC_OFF offsetof(struct cstorm_def_status_block_u, func)
2212#define DEF_CSB_FUNC_OFF offsetof(struct cstorm_def_status_block_c, func)
2213#define DEF_XSB_FUNC_OFF offsetof(struct xstorm_def_status_block, func)
2214#define DEF_TSB_FUNC_OFF offsetof(struct tstorm_def_status_block, func)
2215
2216#define DEF_USB_IGU_INDEX_OFF \
2217 offsetof(struct cstorm_def_status_block_u, igu_index)
2218#define DEF_CSB_IGU_INDEX_OFF \
2219 offsetof(struct cstorm_def_status_block_c, igu_index)
2220#define DEF_XSB_IGU_INDEX_OFF \
2221 offsetof(struct xstorm_def_status_block, igu_index)
2222#define DEF_TSB_IGU_INDEX_OFF \
2223 offsetof(struct tstorm_def_status_block, igu_index)
2224
2225#define DEF_USB_SEGMENT_OFF \
2226 offsetof(struct cstorm_def_status_block_u, segment)
2227#define DEF_CSB_SEGMENT_OFF \
2228 offsetof(struct cstorm_def_status_block_c, segment)
2229#define DEF_XSB_SEGMENT_OFF \
2230 offsetof(struct xstorm_def_status_block, segment)
2231#define DEF_TSB_SEGMENT_OFF \
2232 offsetof(struct tstorm_def_status_block, segment)
2233
2234#define BNX2X_SP_DSB_INDEX \
2235 (&bp->def_status_blk->sp_sb.\
2236 index_values[HC_SP_INDEX_ETH_DEF_CONS])
2237
2238#define CAM_IS_INVALID(x) \
2239 (GET_FLAG(x.flags, \
2240 MAC_CONFIGURATION_ENTRY_ACTION_TYPE) == \
2241 (T_ETH_MAC_COMMAND_INVALIDATE))
2242
2243/* Number of u32 elements in MC hash array */
2244#define MC_HASH_SIZE 8
2245#define MC_HASH_OFFSET(bp, i) (BAR_TSTRORM_INTMEM + \
2246 TSTORM_APPROXIMATE_MATCH_MULTICAST_FILTERING_OFFSET(BP_FUNC(bp)) + i*4)
2247
2248#ifndef PXP2_REG_PXP2_INT_STS
2249#define PXP2_REG_PXP2_INT_STS PXP2_REG_PXP2_INT_STS_0
2250#endif
2251
2252#ifndef ETH_MAX_RX_CLIENTS_E2
2253#define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H
2254#endif
2255
2256#define BNX2X_VPD_LEN 128
2257#define VENDOR_ID_LEN 4
2258
2259#define VF_ACQUIRE_THRESH 3
2260#define VF_ACQUIRE_MAC_FILTERS 1
2261#define VF_ACQUIRE_MC_FILTERS 10
2262
2263#define GOOD_ME_REG(me_reg) (((me_reg) & ME_REG_VF_VALID) && \
2264 (!((me_reg) & ME_REG_VF_ERR)))
2265int bnx2x_nic_load_analyze_req(struct bnx2x *bp, u32 load_code);
2266/* Congestion management fairness mode */
2267#define CMNG_FNS_NONE 0
2268#define CMNG_FNS_MINMAX 1
2269
2270#define HC_SEG_ACCESS_DEF 0 /*Driver decision 0-3*/
2271#define HC_SEG_ACCESS_ATTN 4
2272#define HC_SEG_ACCESS_NORM 0 /*Driver decision 0-1*/
2273
2274static const u32 dmae_reg_go_c[] = {
2275 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
2276 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
2277 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
2278 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
2279};
2280
2281void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev);
2282void bnx2x_notify_link_changed(struct bnx2x *bp);
2283
2284#define BNX2X_MF_SD_PROTOCOL(bp) \
2285 ((bp)->mf_config[BP_VN(bp)] & FUNC_MF_CFG_PROTOCOL_MASK)
2286
2287#define BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) \
2288 (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_ISCSI)
2289
2290#define BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) \
2291 (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_FCOE)
2292
2293#define IS_MF_ISCSI_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp))
2294#define IS_MF_FCOE_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))
2295
2296#define BNX2X_MF_EXT_PROTOCOL_FCOE(bp) ((bp)->mf_ext_config & \
2297 MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2298
2299#define IS_MF_FCOE_AFEX(bp) (IS_MF_AFEX(bp) && BNX2X_MF_EXT_PROTOCOL_FCOE(bp))
2300#define IS_MF_STORAGE_SD(bp) (IS_MF_SD(bp) && \
2301 (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) || \
2302 BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
2303
2304#define SET_FLAG(value, mask, flag) \
2305 do {\
2306 (value) &= ~(mask);\
2307 (value) |= ((flag) << (mask##_SHIFT));\
2308 } while (0)
2309
2310#define GET_FLAG(value, mask) \
2311 (((value) & (mask)) >> (mask##_SHIFT))
2312
2313#define GET_FIELD(value, fname) \
2314 (((value) & (fname##_MASK)) >> (fname##_SHIFT))
2315
2316enum {
2317 SWITCH_UPDATE,
2318 AFEX_UPDATE,
2319};
2320
2321#define NUM_MACS 8
2322
2323enum bnx2x_pci_bus_speed {
2324 BNX2X_PCI_LINK_SPEED_2500 = 2500,
2325 BNX2X_PCI_LINK_SPEED_5000 = 5000,
2326 BNX2X_PCI_LINK_SPEED_8000 = 8000
2327};
2328#endif /* bnx2x.h */